/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationQvasr_64.epf -i ../../../trunk/examples/svcomp/loops-crafted-1/nested3-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-fb4f59a-m [2022-04-28 10:20:41,144 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-28 10:20:41,145 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-28 10:20:41,168 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-04-28 10:20:41,174 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-28 10:20:41,175 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-28 10:20:41,175 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-28 10:20:41,176 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-28 10:20:41,176 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-28 10:20:41,177 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-28 10:20:41,178 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-28 10:20:41,181 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-28 10:20:41,181 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-28 10:20:41,187 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-28 10:20:41,188 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-28 10:20:41,189 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-28 10:20:41,189 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-28 10:20:41,191 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-04-28 10:20:41,195 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-28 10:20:41,196 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-28 10:20:41,202 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-28 10:20:41,203 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationQvasr_64.epf [2022-04-28 10:20:41,212 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-28 10:20:41,212 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-28 10:20:41,213 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-28 10:20:41,213 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-28 10:20:41,213 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-28 10:20:41,213 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-28 10:20:41,213 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-28 10:20:41,213 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-28 10:20:41,213 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-28 10:20:41,213 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-28 10:20:41,213 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-28 10:20:41,213 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-28 10:20:41,213 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-28 10:20:41,213 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-04-28 10:20:41,214 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-28 10:20:41,214 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-28 10:20:41,214 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-28 10:20:41,214 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2022-04-28 10:20:41,214 INFO L138 SettingsManager]: * Trace refinement strategy=ACCELERATED_INTERPOLATION [2022-04-28 10:20:41,214 INFO L138 SettingsManager]: * Trace refinement strategy used in Accelerated Interpolation=CAMEL [2022-04-28 10:20:41,214 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-28 10:20:41,214 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=QVASR [2022-04-28 10:20:41,214 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-28 10:20:41,372 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-28 10:20:41,393 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-28 10:20:41,395 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-28 10:20:41,396 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-28 10:20:41,396 INFO L275 PluginConnector]: CDTParser initialized [2022-04-28 10:20:41,397 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops-crafted-1/nested3-2.c [2022-04-28 10:20:41,442 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/970549602/9c85aee79c92468e9b1ab41ca950de37/FLAG046830075 [2022-04-28 10:20:41,812 INFO L306 CDTParser]: Found 1 translation units. [2022-04-28 10:20:41,812 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/nested3-2.c [2022-04-28 10:20:41,816 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/970549602/9c85aee79c92468e9b1ab41ca950de37/FLAG046830075 [2022-04-28 10:20:41,826 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/970549602/9c85aee79c92468e9b1ab41ca950de37 [2022-04-28 10:20:41,828 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-28 10:20:41,829 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-04-28 10:20:41,831 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-28 10:20:41,832 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-28 10:20:41,834 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-28 10:20:41,838 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 10:20:41" (1/1) ... [2022-04-28 10:20:41,838 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@589f5453 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:20:41, skipping insertion in model container [2022-04-28 10:20:41,838 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 10:20:41" (1/1) ... [2022-04-28 10:20:41,843 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-28 10:20:41,853 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-28 10:20:41,989 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/nested3-2.c[321,334] [2022-04-28 10:20:42,007 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-28 10:20:42,014 INFO L203 MainTranslator]: Completed pre-run [2022-04-28 10:20:42,022 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/nested3-2.c[321,334] [2022-04-28 10:20:42,033 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-28 10:20:42,041 INFO L208 MainTranslator]: Completed translation [2022-04-28 10:20:42,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:20:42 WrapperNode [2022-04-28 10:20:42,042 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-28 10:20:42,043 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-28 10:20:42,043 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-28 10:20:42,043 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-28 10:20:42,050 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:20:42" (1/1) ... [2022-04-28 10:20:42,051 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:20:42" (1/1) ... [2022-04-28 10:20:42,055 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:20:42" (1/1) ... [2022-04-28 10:20:42,055 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:20:42" (1/1) ... [2022-04-28 10:20:42,065 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:20:42" (1/1) ... [2022-04-28 10:20:42,070 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:20:42" (1/1) ... [2022-04-28 10:20:42,072 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:20:42" (1/1) ... [2022-04-28 10:20:42,073 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-28 10:20:42,074 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-28 10:20:42,074 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-28 10:20:42,074 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-28 10:20:42,076 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:20:42" (1/1) ... [2022-04-28 10:20:42,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-28 10:20:42,087 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 10:20:42,096 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-04-28 10:20:42,105 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-04-28 10:20:42,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-28 10:20:42,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-28 10:20:42,124 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-28 10:20:42,124 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-04-28 10:20:42,124 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-28 10:20:42,124 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-28 10:20:42,124 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-28 10:20:42,124 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-28 10:20:42,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-28 10:20:42,124 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-04-28 10:20:42,124 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-28 10:20:42,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-28 10:20:42,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-28 10:20:42,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-28 10:20:42,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-28 10:20:42,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-28 10:20:42,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-28 10:20:42,162 INFO L234 CfgBuilder]: Building ICFG [2022-04-28 10:20:42,163 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-28 10:20:42,308 INFO L275 CfgBuilder]: Performing block encoding [2022-04-28 10:20:42,313 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-28 10:20:42,313 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-04-28 10:20:42,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 10:20:42 BoogieIcfgContainer [2022-04-28 10:20:42,314 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-28 10:20:42,315 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-28 10:20:42,315 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-28 10:20:42,325 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-28 10:20:42,326 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 10:20:41" (1/3) ... [2022-04-28 10:20:42,326 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13a07a00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 10:20:42, skipping insertion in model container [2022-04-28 10:20:42,326 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:20:42" (2/3) ... [2022-04-28 10:20:42,326 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13a07a00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 10:20:42, skipping insertion in model container [2022-04-28 10:20:42,326 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 10:20:42" (3/3) ... [2022-04-28 10:20:42,327 INFO L111 eAbstractionObserver]: Analyzing ICFG nested3-2.c [2022-04-28 10:20:42,336 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-04-28 10:20:42,336 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-28 10:20:42,372 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-28 10:20:42,378 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=Craig_NestedInterpolation, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@39f3058b, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@59b2d7d [2022-04-28 10:20:42,378 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-28 10:20:42,388 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 16 states have internal predecessors, (23), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-04-28 10:20:42,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-04-28 10:20:42,392 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 10:20:42,393 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 10:20:42,393 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 10:20:42,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 10:20:42,398 INFO L85 PathProgramCache]: Analyzing trace with hash -1794590667, now seen corresponding path program 1 times [2022-04-28 10:20:42,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 10:20:42,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [705055531] [2022-04-28 10:20:42,414 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-28 10:20:42,414 INFO L85 PathProgramCache]: Analyzing trace with hash -1794590667, now seen corresponding path program 2 times [2022-04-28 10:20:42,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 10:20:42,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666468737] [2022-04-28 10:20:42,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 10:20:42,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 10:20:42,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:20:42,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 10:20:42,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:20:42,576 INFO L290 TraceCheckUtils]: 0: Hoare triple {33#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {28#true} is VALID [2022-04-28 10:20:42,577 INFO L290 TraceCheckUtils]: 1: Hoare triple {28#true} assume true; {28#true} is VALID [2022-04-28 10:20:42,577 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {28#true} {28#true} #63#return; {28#true} is VALID [2022-04-28 10:20:42,579 INFO L272 TraceCheckUtils]: 0: Hoare triple {28#true} call ULTIMATE.init(); {33#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 10:20:42,579 INFO L290 TraceCheckUtils]: 1: Hoare triple {33#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {28#true} is VALID [2022-04-28 10:20:42,579 INFO L290 TraceCheckUtils]: 2: Hoare triple {28#true} assume true; {28#true} is VALID [2022-04-28 10:20:42,579 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {28#true} {28#true} #63#return; {28#true} is VALID [2022-04-28 10:20:42,579 INFO L272 TraceCheckUtils]: 4: Hoare triple {28#true} call #t~ret7 := main(); {28#true} is VALID [2022-04-28 10:20:42,579 INFO L290 TraceCheckUtils]: 5: Hoare triple {28#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {28#true} is VALID [2022-04-28 10:20:42,583 INFO L290 TraceCheckUtils]: 6: Hoare triple {28#true} assume !true; {29#false} is VALID [2022-04-28 10:20:42,584 INFO L272 TraceCheckUtils]: 7: Hoare triple {29#false} call __VERIFIER_assert((if 0 == (if ~x~0 % 4294967296 < 0 && 0 != ~x~0 % 4294967296 % 2 then ~x~0 % 4294967296 % 2 - 2 else ~x~0 % 4294967296 % 2) % 4294967296 then 1 else 0)); {29#false} is VALID [2022-04-28 10:20:42,584 INFO L290 TraceCheckUtils]: 8: Hoare triple {29#false} ~cond := #in~cond; {29#false} is VALID [2022-04-28 10:20:42,584 INFO L290 TraceCheckUtils]: 9: Hoare triple {29#false} assume 0 == ~cond; {29#false} is VALID [2022-04-28 10:20:42,584 INFO L290 TraceCheckUtils]: 10: Hoare triple {29#false} assume !false; {29#false} is VALID [2022-04-28 10:20:42,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:20:42,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 10:20:42,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666468737] [2022-04-28 10:20:42,585 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666468737] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 10:20:42,586 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 10:20:42,586 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-28 10:20:42,588 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 10:20:42,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [705055531] [2022-04-28 10:20:42,589 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [705055531] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 10:20:42,589 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 10:20:42,589 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-28 10:20:42,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138137506] [2022-04-28 10:20:42,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 10:20:42,593 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-04-28 10:20:42,594 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 10:20:42,596 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:20:42,612 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 11 edges. 11 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:20:42,612 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-28 10:20:42,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 10:20:42,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-28 10:20:42,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-28 10:20:42,633 INFO L87 Difference]: Start difference. First operand has 25 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 16 states have internal predecessors, (23), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:20:42,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:20:42,734 INFO L93 Difference]: Finished difference Result 44 states and 63 transitions. [2022-04-28 10:20:42,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-28 10:20:42,735 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-04-28 10:20:42,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 10:20:42,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:20:42,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 63 transitions. [2022-04-28 10:20:42,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:20:42,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 63 transitions. [2022-04-28 10:20:42,745 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 3 states and 63 transitions. [2022-04-28 10:20:42,824 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 63 edges. 63 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:20:42,831 INFO L225 Difference]: With dead ends: 44 [2022-04-28 10:20:42,831 INFO L226 Difference]: Without dead ends: 20 [2022-04-28 10:20:42,833 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-28 10:20:42,837 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 16 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-28 10:20:42,838 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 29 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-28 10:20:42,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2022-04-28 10:20:42,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2022-04-28 10:20:42,863 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 10:20:42,864 INFO L82 GeneralOperation]: Start isEquivalent. First operand 20 states. Second operand has 20 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 13 states have internal predecessors, (16), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:20:42,864 INFO L74 IsIncluded]: Start isIncluded. First operand 20 states. Second operand has 20 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 13 states have internal predecessors, (16), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:20:42,865 INFO L87 Difference]: Start difference. First operand 20 states. Second operand has 20 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 13 states have internal predecessors, (16), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:20:42,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:20:42,873 INFO L93 Difference]: Finished difference Result 20 states and 24 transitions. [2022-04-28 10:20:42,873 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2022-04-28 10:20:42,873 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:20:42,874 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:20:42,874 INFO L74 IsIncluded]: Start isIncluded. First operand has 20 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 13 states have internal predecessors, (16), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 20 states. [2022-04-28 10:20:42,875 INFO L87 Difference]: Start difference. First operand has 20 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 13 states have internal predecessors, (16), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 20 states. [2022-04-28 10:20:42,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:20:42,879 INFO L93 Difference]: Finished difference Result 20 states and 24 transitions. [2022-04-28 10:20:42,880 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2022-04-28 10:20:42,880 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:20:42,880 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:20:42,880 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 10:20:42,880 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 10:20:42,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 13 states have internal predecessors, (16), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:20:42,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 24 transitions. [2022-04-28 10:20:42,885 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 24 transitions. Word has length 11 [2022-04-28 10:20:42,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 10:20:42,885 INFO L495 AbstractCegarLoop]: Abstraction has 20 states and 24 transitions. [2022-04-28 10:20:42,885 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:20:42,886 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 20 states and 24 transitions. [2022-04-28 10:20:42,915 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:20:42,916 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2022-04-28 10:20:42,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-04-28 10:20:42,916 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 10:20:42,916 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 10:20:42,916 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-28 10:20:42,917 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 10:20:42,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 10:20:42,917 INFO L85 PathProgramCache]: Analyzing trace with hash -1824143339, now seen corresponding path program 1 times [2022-04-28 10:20:42,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 10:20:42,917 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [516594856] [2022-04-28 10:20:42,918 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-28 10:20:42,918 INFO L85 PathProgramCache]: Analyzing trace with hash -1824143339, now seen corresponding path program 2 times [2022-04-28 10:20:42,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 10:20:42,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492792595] [2022-04-28 10:20:42,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 10:20:42,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 10:20:42,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:20:43,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 10:20:43,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:20:43,025 INFO L290 TraceCheckUtils]: 0: Hoare triple {210#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {204#true} is VALID [2022-04-28 10:20:43,025 INFO L290 TraceCheckUtils]: 1: Hoare triple {204#true} assume true; {204#true} is VALID [2022-04-28 10:20:43,025 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {204#true} {204#true} #63#return; {204#true} is VALID [2022-04-28 10:20:43,026 INFO L272 TraceCheckUtils]: 0: Hoare triple {204#true} call ULTIMATE.init(); {210#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 10:20:43,027 INFO L290 TraceCheckUtils]: 1: Hoare triple {210#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {204#true} is VALID [2022-04-28 10:20:43,027 INFO L290 TraceCheckUtils]: 2: Hoare triple {204#true} assume true; {204#true} is VALID [2022-04-28 10:20:43,027 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {204#true} {204#true} #63#return; {204#true} is VALID [2022-04-28 10:20:43,027 INFO L272 TraceCheckUtils]: 4: Hoare triple {204#true} call #t~ret7 := main(); {204#true} is VALID [2022-04-28 10:20:43,028 INFO L290 TraceCheckUtils]: 5: Hoare triple {204#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {209#(= main_~x~0 0)} is VALID [2022-04-28 10:20:43,028 INFO L290 TraceCheckUtils]: 6: Hoare triple {209#(= main_~x~0 0)} assume !(~x~0 % 4294967296 < 268435455); {205#false} is VALID [2022-04-28 10:20:43,028 INFO L272 TraceCheckUtils]: 7: Hoare triple {205#false} call __VERIFIER_assert((if 0 == (if ~x~0 % 4294967296 < 0 && 0 != ~x~0 % 4294967296 % 2 then ~x~0 % 4294967296 % 2 - 2 else ~x~0 % 4294967296 % 2) % 4294967296 then 1 else 0)); {205#false} is VALID [2022-04-28 10:20:43,029 INFO L290 TraceCheckUtils]: 8: Hoare triple {205#false} ~cond := #in~cond; {205#false} is VALID [2022-04-28 10:20:43,029 INFO L290 TraceCheckUtils]: 9: Hoare triple {205#false} assume 0 == ~cond; {205#false} is VALID [2022-04-28 10:20:43,029 INFO L290 TraceCheckUtils]: 10: Hoare triple {205#false} assume !false; {205#false} is VALID [2022-04-28 10:20:43,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:20:43,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 10:20:43,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492792595] [2022-04-28 10:20:43,030 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492792595] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 10:20:43,030 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 10:20:43,030 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-28 10:20:43,030 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 10:20:43,031 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [516594856] [2022-04-28 10:20:43,031 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [516594856] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 10:20:43,031 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 10:20:43,031 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-28 10:20:43,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827571884] [2022-04-28 10:20:43,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 10:20:43,032 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-04-28 10:20:43,032 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 10:20:43,032 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:20:43,043 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 11 edges. 11 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:20:43,043 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-28 10:20:43,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 10:20:43,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-28 10:20:43,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-28 10:20:43,044 INFO L87 Difference]: Start difference. First operand 20 states and 24 transitions. Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:20:43,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:20:43,156 INFO L93 Difference]: Finished difference Result 34 states and 42 transitions. [2022-04-28 10:20:43,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-28 10:20:43,157 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-04-28 10:20:43,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 10:20:43,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:20:43,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 42 transitions. [2022-04-28 10:20:43,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:20:43,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 42 transitions. [2022-04-28 10:20:43,161 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 4 states and 42 transitions. [2022-04-28 10:20:43,212 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 42 edges. 42 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:20:43,216 INFO L225 Difference]: With dead ends: 34 [2022-04-28 10:20:43,216 INFO L226 Difference]: Without dead ends: 27 [2022-04-28 10:20:43,216 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-28 10:20:43,219 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 26 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-28 10:20:43,220 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 27 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-28 10:20:43,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2022-04-28 10:20:43,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 21. [2022-04-28 10:20:43,226 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 10:20:43,226 INFO L82 GeneralOperation]: Start isEquivalent. First operand 27 states. Second operand has 21 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 14 states have internal predecessors, (17), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:20:43,227 INFO L74 IsIncluded]: Start isIncluded. First operand 27 states. Second operand has 21 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 14 states have internal predecessors, (17), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:20:43,227 INFO L87 Difference]: Start difference. First operand 27 states. Second operand has 21 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 14 states have internal predecessors, (17), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:20:43,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:20:43,229 INFO L93 Difference]: Finished difference Result 27 states and 35 transitions. [2022-04-28 10:20:43,229 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2022-04-28 10:20:43,229 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:20:43,230 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:20:43,230 INFO L74 IsIncluded]: Start isIncluded. First operand has 21 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 14 states have internal predecessors, (17), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 27 states. [2022-04-28 10:20:43,230 INFO L87 Difference]: Start difference. First operand has 21 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 14 states have internal predecessors, (17), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 27 states. [2022-04-28 10:20:43,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:20:43,232 INFO L93 Difference]: Finished difference Result 27 states and 35 transitions. [2022-04-28 10:20:43,232 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2022-04-28 10:20:43,232 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:20:43,232 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:20:43,232 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 10:20:43,233 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 10:20:43,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 14 states have internal predecessors, (17), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:20:43,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2022-04-28 10:20:43,234 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 11 [2022-04-28 10:20:43,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 10:20:43,234 INFO L495 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2022-04-28 10:20:43,235 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:20:43,235 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 21 states and 25 transitions. [2022-04-28 10:20:43,260 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 25 edges. 25 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:20:43,260 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2022-04-28 10:20:43,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-04-28 10:20:43,260 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 10:20:43,260 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 10:20:43,261 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-28 10:20:43,261 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 10:20:43,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 10:20:43,261 INFO L85 PathProgramCache]: Analyzing trace with hash -699512288, now seen corresponding path program 1 times [2022-04-28 10:20:43,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 10:20:43,262 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [641249835] [2022-04-28 10:20:43,262 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-28 10:20:43,262 INFO L85 PathProgramCache]: Analyzing trace with hash -699512288, now seen corresponding path program 2 times [2022-04-28 10:20:43,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 10:20:43,262 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409732344] [2022-04-28 10:20:43,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 10:20:43,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 10:20:43,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:20:43,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 10:20:43,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:20:43,331 INFO L290 TraceCheckUtils]: 0: Hoare triple {385#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {379#true} is VALID [2022-04-28 10:20:43,331 INFO L290 TraceCheckUtils]: 1: Hoare triple {379#true} assume true; {379#true} is VALID [2022-04-28 10:20:43,331 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {379#true} {379#true} #63#return; {379#true} is VALID [2022-04-28 10:20:43,332 INFO L272 TraceCheckUtils]: 0: Hoare triple {379#true} call ULTIMATE.init(); {385#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 10:20:43,332 INFO L290 TraceCheckUtils]: 1: Hoare triple {385#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {379#true} is VALID [2022-04-28 10:20:43,332 INFO L290 TraceCheckUtils]: 2: Hoare triple {379#true} assume true; {379#true} is VALID [2022-04-28 10:20:43,332 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {379#true} {379#true} #63#return; {379#true} is VALID [2022-04-28 10:20:43,333 INFO L272 TraceCheckUtils]: 4: Hoare triple {379#true} call #t~ret7 := main(); {379#true} is VALID [2022-04-28 10:20:43,333 INFO L290 TraceCheckUtils]: 5: Hoare triple {379#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {379#true} is VALID [2022-04-28 10:20:43,333 INFO L290 TraceCheckUtils]: 6: Hoare triple {379#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {384#(= main_~y~0 0)} is VALID [2022-04-28 10:20:43,334 INFO L290 TraceCheckUtils]: 7: Hoare triple {384#(= main_~y~0 0)} assume !(~y~0 % 4294967296 < 268435455); {380#false} is VALID [2022-04-28 10:20:43,334 INFO L272 TraceCheckUtils]: 8: Hoare triple {380#false} call __VERIFIER_assert((if 0 == (if ~y~0 % 4294967296 < 0 && 0 != ~y~0 % 4294967296 % 2 then ~y~0 % 4294967296 % 2 - 2 else ~y~0 % 4294967296 % 2) % 4294967296 then 1 else 0)); {380#false} is VALID [2022-04-28 10:20:43,334 INFO L290 TraceCheckUtils]: 9: Hoare triple {380#false} ~cond := #in~cond; {380#false} is VALID [2022-04-28 10:20:43,334 INFO L290 TraceCheckUtils]: 10: Hoare triple {380#false} assume 0 == ~cond; {380#false} is VALID [2022-04-28 10:20:43,334 INFO L290 TraceCheckUtils]: 11: Hoare triple {380#false} assume !false; {380#false} is VALID [2022-04-28 10:20:43,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:20:43,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 10:20:43,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409732344] [2022-04-28 10:20:43,335 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [409732344] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 10:20:43,335 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 10:20:43,335 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-28 10:20:43,335 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 10:20:43,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [641249835] [2022-04-28 10:20:43,336 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [641249835] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 10:20:43,336 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 10:20:43,336 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-28 10:20:43,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147294901] [2022-04-28 10:20:43,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 10:20:43,336 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-04-28 10:20:43,337 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 10:20:43,337 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:20:43,345 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 12 edges. 12 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:20:43,345 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-28 10:20:43,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 10:20:43,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-28 10:20:43,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-28 10:20:43,346 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:20:43,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:20:43,437 INFO L93 Difference]: Finished difference Result 39 states and 50 transitions. [2022-04-28 10:20:43,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-28 10:20:43,438 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-04-28 10:20:43,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 10:20:43,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:20:43,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 50 transitions. [2022-04-28 10:20:43,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:20:43,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 50 transitions. [2022-04-28 10:20:43,447 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 4 states and 50 transitions. [2022-04-28 10:20:43,506 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 50 edges. 50 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:20:43,508 INFO L225 Difference]: With dead ends: 39 [2022-04-28 10:20:43,508 INFO L226 Difference]: Without dead ends: 25 [2022-04-28 10:20:43,509 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-28 10:20:43,511 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 21 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-28 10:20:43,519 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 27 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-28 10:20:43,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2022-04-28 10:20:43,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 22. [2022-04-28 10:20:43,528 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 10:20:43,530 INFO L82 GeneralOperation]: Start isEquivalent. First operand 25 states. Second operand has 22 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 15 states have internal predecessors, (18), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:20:43,530 INFO L74 IsIncluded]: Start isIncluded. First operand 25 states. Second operand has 22 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 15 states have internal predecessors, (18), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:20:43,531 INFO L87 Difference]: Start difference. First operand 25 states. Second operand has 22 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 15 states have internal predecessors, (18), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:20:43,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:20:43,534 INFO L93 Difference]: Finished difference Result 25 states and 31 transitions. [2022-04-28 10:20:43,534 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2022-04-28 10:20:43,537 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:20:43,537 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:20:43,537 INFO L74 IsIncluded]: Start isIncluded. First operand has 22 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 15 states have internal predecessors, (18), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 25 states. [2022-04-28 10:20:43,537 INFO L87 Difference]: Start difference. First operand has 22 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 15 states have internal predecessors, (18), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 25 states. [2022-04-28 10:20:43,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:20:43,539 INFO L93 Difference]: Finished difference Result 25 states and 31 transitions. [2022-04-28 10:20:43,539 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2022-04-28 10:20:43,539 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:20:43,540 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:20:43,540 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 10:20:43,540 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 10:20:43,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 15 states have internal predecessors, (18), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:20:43,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions. [2022-04-28 10:20:43,541 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 26 transitions. Word has length 12 [2022-04-28 10:20:43,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 10:20:43,542 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 26 transitions. [2022-04-28 10:20:43,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:20:43,542 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 22 states and 26 transitions. [2022-04-28 10:20:43,569 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 26 edges. 26 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:20:43,569 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2022-04-28 10:20:43,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-04-28 10:20:43,571 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 10:20:43,571 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 10:20:43,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-04-28 10:20:43,573 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 10:20:43,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 10:20:43,574 INFO L85 PathProgramCache]: Analyzing trace with hash -185588926, now seen corresponding path program 1 times [2022-04-28 10:20:43,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 10:20:43,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1039866348] [2022-04-28 10:20:43,575 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-28 10:20:43,575 INFO L85 PathProgramCache]: Analyzing trace with hash -185588926, now seen corresponding path program 2 times [2022-04-28 10:20:43,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 10:20:43,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18463574] [2022-04-28 10:20:43,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 10:20:43,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 10:20:43,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:20:43,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 10:20:43,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:20:43,636 INFO L290 TraceCheckUtils]: 0: Hoare triple {569#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {563#true} is VALID [2022-04-28 10:20:43,636 INFO L290 TraceCheckUtils]: 1: Hoare triple {563#true} assume true; {563#true} is VALID [2022-04-28 10:20:43,637 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {563#true} {563#true} #63#return; {563#true} is VALID [2022-04-28 10:20:43,637 INFO L272 TraceCheckUtils]: 0: Hoare triple {563#true} call ULTIMATE.init(); {569#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 10:20:43,637 INFO L290 TraceCheckUtils]: 1: Hoare triple {569#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {563#true} is VALID [2022-04-28 10:20:43,637 INFO L290 TraceCheckUtils]: 2: Hoare triple {563#true} assume true; {563#true} is VALID [2022-04-28 10:20:43,638 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {563#true} {563#true} #63#return; {563#true} is VALID [2022-04-28 10:20:43,638 INFO L272 TraceCheckUtils]: 4: Hoare triple {563#true} call #t~ret7 := main(); {563#true} is VALID [2022-04-28 10:20:43,638 INFO L290 TraceCheckUtils]: 5: Hoare triple {563#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {563#true} is VALID [2022-04-28 10:20:43,638 INFO L290 TraceCheckUtils]: 6: Hoare triple {563#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {563#true} is VALID [2022-04-28 10:20:43,638 INFO L290 TraceCheckUtils]: 7: Hoare triple {563#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {568#(= main_~z~0 0)} is VALID [2022-04-28 10:20:43,639 INFO L290 TraceCheckUtils]: 8: Hoare triple {568#(= main_~z~0 0)} assume !(~z~0 % 4294967296 < 268435455); {564#false} is VALID [2022-04-28 10:20:43,639 INFO L272 TraceCheckUtils]: 9: Hoare triple {564#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {564#false} is VALID [2022-04-28 10:20:43,639 INFO L290 TraceCheckUtils]: 10: Hoare triple {564#false} ~cond := #in~cond; {564#false} is VALID [2022-04-28 10:20:43,639 INFO L290 TraceCheckUtils]: 11: Hoare triple {564#false} assume 0 == ~cond; {564#false} is VALID [2022-04-28 10:20:43,640 INFO L290 TraceCheckUtils]: 12: Hoare triple {564#false} assume !false; {564#false} is VALID [2022-04-28 10:20:43,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:20:43,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 10:20:43,640 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18463574] [2022-04-28 10:20:43,640 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18463574] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 10:20:43,640 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 10:20:43,640 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-28 10:20:43,641 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 10:20:43,641 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1039866348] [2022-04-28 10:20:43,641 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1039866348] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 10:20:43,641 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 10:20:43,641 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-28 10:20:43,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720559744] [2022-04-28 10:20:43,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 10:20:43,641 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2022-04-28 10:20:43,642 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 10:20:43,642 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:20:43,651 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 13 edges. 13 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:20:43,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-28 10:20:43,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 10:20:43,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-28 10:20:43,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-28 10:20:43,652 INFO L87 Difference]: Start difference. First operand 22 states and 26 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:20:43,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:20:43,715 INFO L93 Difference]: Finished difference Result 39 states and 48 transitions. [2022-04-28 10:20:43,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-28 10:20:43,716 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2022-04-28 10:20:43,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 10:20:43,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:20:43,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 46 transitions. [2022-04-28 10:20:43,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:20:43,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 46 transitions. [2022-04-28 10:20:43,718 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 4 states and 46 transitions. [2022-04-28 10:20:43,752 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 46 edges. 46 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:20:43,753 INFO L225 Difference]: With dead ends: 39 [2022-04-28 10:20:43,754 INFO L226 Difference]: Without dead ends: 24 [2022-04-28 10:20:43,754 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-28 10:20:43,754 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 17 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-28 10:20:43,755 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 28 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-28 10:20:43,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2022-04-28 10:20:43,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 23. [2022-04-28 10:20:43,761 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 10:20:43,761 INFO L82 GeneralOperation]: Start isEquivalent. First operand 24 states. Second operand has 23 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 16 states have internal predecessors, (19), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:20:43,762 INFO L74 IsIncluded]: Start isIncluded. First operand 24 states. Second operand has 23 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 16 states have internal predecessors, (19), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:20:43,762 INFO L87 Difference]: Start difference. First operand 24 states. Second operand has 23 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 16 states have internal predecessors, (19), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:20:43,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:20:43,766 INFO L93 Difference]: Finished difference Result 24 states and 28 transitions. [2022-04-28 10:20:43,766 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2022-04-28 10:20:43,766 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:20:43,767 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:20:43,767 INFO L74 IsIncluded]: Start isIncluded. First operand has 23 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 16 states have internal predecessors, (19), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 24 states. [2022-04-28 10:20:43,767 INFO L87 Difference]: Start difference. First operand has 23 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 16 states have internal predecessors, (19), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 24 states. [2022-04-28 10:20:43,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:20:43,770 INFO L93 Difference]: Finished difference Result 24 states and 28 transitions. [2022-04-28 10:20:43,770 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2022-04-28 10:20:43,771 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:20:43,771 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:20:43,771 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 10:20:43,771 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 10:20:43,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 16 states have internal predecessors, (19), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:20:43,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2022-04-28 10:20:43,772 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 13 [2022-04-28 10:20:43,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 10:20:43,772 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2022-04-28 10:20:43,773 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:20:43,773 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 23 states and 27 transitions. [2022-04-28 10:20:43,799 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 27 edges. 27 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:20:43,799 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2022-04-28 10:20:43,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-04-28 10:20:43,800 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 10:20:43,800 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 10:20:43,801 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-04-28 10:20:43,801 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 10:20:43,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 10:20:43,801 INFO L85 PathProgramCache]: Analyzing trace with hash -1431986846, now seen corresponding path program 1 times [2022-04-28 10:20:43,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 10:20:43,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1526336707] [2022-04-28 10:20:43,812 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-28 10:20:43,812 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-28 10:20:43,813 INFO L85 PathProgramCache]: Analyzing trace with hash -1431986846, now seen corresponding path program 2 times [2022-04-28 10:20:43,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 10:20:43,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128869318] [2022-04-28 10:20:43,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 10:20:43,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 10:20:43,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:20:43,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 10:20:43,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:20:43,924 INFO L290 TraceCheckUtils]: 0: Hoare triple {754#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {747#true} is VALID [2022-04-28 10:20:43,925 INFO L290 TraceCheckUtils]: 1: Hoare triple {747#true} assume true; {747#true} is VALID [2022-04-28 10:20:43,925 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {747#true} {747#true} #63#return; {747#true} is VALID [2022-04-28 10:20:43,926 INFO L272 TraceCheckUtils]: 0: Hoare triple {747#true} call ULTIMATE.init(); {754#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 10:20:43,926 INFO L290 TraceCheckUtils]: 1: Hoare triple {754#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {747#true} is VALID [2022-04-28 10:20:43,926 INFO L290 TraceCheckUtils]: 2: Hoare triple {747#true} assume true; {747#true} is VALID [2022-04-28 10:20:43,926 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {747#true} {747#true} #63#return; {747#true} is VALID [2022-04-28 10:20:43,926 INFO L272 TraceCheckUtils]: 4: Hoare triple {747#true} call #t~ret7 := main(); {747#true} is VALID [2022-04-28 10:20:43,927 INFO L290 TraceCheckUtils]: 5: Hoare triple {747#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {747#true} is VALID [2022-04-28 10:20:43,927 INFO L290 TraceCheckUtils]: 6: Hoare triple {747#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {747#true} is VALID [2022-04-28 10:20:43,927 INFO L290 TraceCheckUtils]: 7: Hoare triple {747#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {752#(= main_~z~0 0)} is VALID [2022-04-28 10:20:43,928 INFO L290 TraceCheckUtils]: 8: Hoare triple {752#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {753#(and (<= main_~z~0 1) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} is VALID [2022-04-28 10:20:43,928 INFO L290 TraceCheckUtils]: 9: Hoare triple {753#(and (<= main_~z~0 1) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} assume !(~z~0 % 4294967296 < 268435455); {748#false} is VALID [2022-04-28 10:20:43,928 INFO L272 TraceCheckUtils]: 10: Hoare triple {748#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {748#false} is VALID [2022-04-28 10:20:43,929 INFO L290 TraceCheckUtils]: 11: Hoare triple {748#false} ~cond := #in~cond; {748#false} is VALID [2022-04-28 10:20:43,929 INFO L290 TraceCheckUtils]: 12: Hoare triple {748#false} assume 0 == ~cond; {748#false} is VALID [2022-04-28 10:20:43,929 INFO L290 TraceCheckUtils]: 13: Hoare triple {748#false} assume !false; {748#false} is VALID [2022-04-28 10:20:43,929 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:20:43,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 10:20:43,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128869318] [2022-04-28 10:20:43,930 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128869318] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 10:20:43,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [306394416] [2022-04-28 10:20:43,930 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-28 10:20:43,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:20:43,930 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 10:20:43,937 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 10:20:43,938 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-04-28 10:20:43,973 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-28 10:20:43,974 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 10:20:43,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 5 conjunts are in the unsatisfiable core [2022-04-28 10:20:43,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:20:43,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 10:20:44,079 INFO L272 TraceCheckUtils]: 0: Hoare triple {747#true} call ULTIMATE.init(); {747#true} is VALID [2022-04-28 10:20:44,080 INFO L290 TraceCheckUtils]: 1: Hoare triple {747#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {747#true} is VALID [2022-04-28 10:20:44,080 INFO L290 TraceCheckUtils]: 2: Hoare triple {747#true} assume true; {747#true} is VALID [2022-04-28 10:20:44,080 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {747#true} {747#true} #63#return; {747#true} is VALID [2022-04-28 10:20:44,080 INFO L272 TraceCheckUtils]: 4: Hoare triple {747#true} call #t~ret7 := main(); {747#true} is VALID [2022-04-28 10:20:44,080 INFO L290 TraceCheckUtils]: 5: Hoare triple {747#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {747#true} is VALID [2022-04-28 10:20:44,080 INFO L290 TraceCheckUtils]: 6: Hoare triple {747#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {747#true} is VALID [2022-04-28 10:20:44,081 INFO L290 TraceCheckUtils]: 7: Hoare triple {747#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {752#(= main_~z~0 0)} is VALID [2022-04-28 10:20:44,081 INFO L290 TraceCheckUtils]: 8: Hoare triple {752#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {782#(= (+ (- 1) main_~z~0) 0)} is VALID [2022-04-28 10:20:44,082 INFO L290 TraceCheckUtils]: 9: Hoare triple {782#(= (+ (- 1) main_~z~0) 0)} assume !(~z~0 % 4294967296 < 268435455); {748#false} is VALID [2022-04-28 10:20:44,082 INFO L272 TraceCheckUtils]: 10: Hoare triple {748#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {748#false} is VALID [2022-04-28 10:20:44,082 INFO L290 TraceCheckUtils]: 11: Hoare triple {748#false} ~cond := #in~cond; {748#false} is VALID [2022-04-28 10:20:44,082 INFO L290 TraceCheckUtils]: 12: Hoare triple {748#false} assume 0 == ~cond; {748#false} is VALID [2022-04-28 10:20:44,082 INFO L290 TraceCheckUtils]: 13: Hoare triple {748#false} assume !false; {748#false} is VALID [2022-04-28 10:20:44,082 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:20:44,082 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 10:20:44,155 INFO L290 TraceCheckUtils]: 13: Hoare triple {748#false} assume !false; {748#false} is VALID [2022-04-28 10:20:44,155 INFO L290 TraceCheckUtils]: 12: Hoare triple {748#false} assume 0 == ~cond; {748#false} is VALID [2022-04-28 10:20:44,155 INFO L290 TraceCheckUtils]: 11: Hoare triple {748#false} ~cond := #in~cond; {748#false} is VALID [2022-04-28 10:20:44,155 INFO L272 TraceCheckUtils]: 10: Hoare triple {748#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {748#false} is VALID [2022-04-28 10:20:44,156 INFO L290 TraceCheckUtils]: 9: Hoare triple {810#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {748#false} is VALID [2022-04-28 10:20:44,157 INFO L290 TraceCheckUtils]: 8: Hoare triple {814#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {810#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 10:20:44,157 INFO L290 TraceCheckUtils]: 7: Hoare triple {747#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {814#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 10:20:44,157 INFO L290 TraceCheckUtils]: 6: Hoare triple {747#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {747#true} is VALID [2022-04-28 10:20:44,157 INFO L290 TraceCheckUtils]: 5: Hoare triple {747#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {747#true} is VALID [2022-04-28 10:20:44,158 INFO L272 TraceCheckUtils]: 4: Hoare triple {747#true} call #t~ret7 := main(); {747#true} is VALID [2022-04-28 10:20:44,158 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {747#true} {747#true} #63#return; {747#true} is VALID [2022-04-28 10:20:44,158 INFO L290 TraceCheckUtils]: 2: Hoare triple {747#true} assume true; {747#true} is VALID [2022-04-28 10:20:44,160 INFO L290 TraceCheckUtils]: 1: Hoare triple {747#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {747#true} is VALID [2022-04-28 10:20:44,160 INFO L272 TraceCheckUtils]: 0: Hoare triple {747#true} call ULTIMATE.init(); {747#true} is VALID [2022-04-28 10:20:44,161 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:20:44,162 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [306394416] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 10:20:44,162 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 10:20:44,162 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 8 [2022-04-28 10:20:44,162 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 10:20:44,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1526336707] [2022-04-28 10:20:44,162 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1526336707] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 10:20:44,162 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 10:20:44,162 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-28 10:20:44,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291106884] [2022-04-28 10:20:44,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 10:20:44,165 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2022-04-28 10:20:44,165 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 10:20:44,165 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:20:44,174 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 14 edges. 14 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:20:44,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-28 10:20:44,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 10:20:44,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-28 10:20:44,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-04-28 10:20:44,175 INFO L87 Difference]: Start difference. First operand 23 states and 27 transitions. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:20:44,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:20:44,291 INFO L93 Difference]: Finished difference Result 41 states and 50 transitions. [2022-04-28 10:20:44,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-28 10:20:44,291 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2022-04-28 10:20:44,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 10:20:44,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:20:44,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 47 transitions. [2022-04-28 10:20:44,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:20:44,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 47 transitions. [2022-04-28 10:20:44,294 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 47 transitions. [2022-04-28 10:20:44,331 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 47 edges. 47 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:20:44,332 INFO L225 Difference]: With dead ends: 41 [2022-04-28 10:20:44,332 INFO L226 Difference]: Without dead ends: 25 [2022-04-28 10:20:44,332 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2022-04-28 10:20:44,333 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 17 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-28 10:20:44,333 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 33 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-28 10:20:44,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2022-04-28 10:20:44,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 24. [2022-04-28 10:20:44,337 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 10:20:44,337 INFO L82 GeneralOperation]: Start isEquivalent. First operand 25 states. Second operand has 24 states, 16 states have (on average 1.25) internal successors, (20), 17 states have internal predecessors, (20), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:20:44,337 INFO L74 IsIncluded]: Start isIncluded. First operand 25 states. Second operand has 24 states, 16 states have (on average 1.25) internal successors, (20), 17 states have internal predecessors, (20), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:20:44,338 INFO L87 Difference]: Start difference. First operand 25 states. Second operand has 24 states, 16 states have (on average 1.25) internal successors, (20), 17 states have internal predecessors, (20), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:20:44,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:20:44,339 INFO L93 Difference]: Finished difference Result 25 states and 29 transitions. [2022-04-28 10:20:44,339 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2022-04-28 10:20:44,339 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:20:44,339 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:20:44,339 INFO L74 IsIncluded]: Start isIncluded. First operand has 24 states, 16 states have (on average 1.25) internal successors, (20), 17 states have internal predecessors, (20), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 25 states. [2022-04-28 10:20:44,339 INFO L87 Difference]: Start difference. First operand has 24 states, 16 states have (on average 1.25) internal successors, (20), 17 states have internal predecessors, (20), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 25 states. [2022-04-28 10:20:44,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:20:44,340 INFO L93 Difference]: Finished difference Result 25 states and 29 transitions. [2022-04-28 10:20:44,340 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2022-04-28 10:20:44,340 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:20:44,340 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:20:44,340 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 10:20:44,341 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 10:20:44,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 16 states have (on average 1.25) internal successors, (20), 17 states have internal predecessors, (20), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:20:44,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 28 transitions. [2022-04-28 10:20:44,342 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 28 transitions. Word has length 14 [2022-04-28 10:20:44,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 10:20:44,342 INFO L495 AbstractCegarLoop]: Abstraction has 24 states and 28 transitions. [2022-04-28 10:20:44,342 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:20:44,342 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 24 states and 28 transitions. [2022-04-28 10:20:44,366 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 28 edges. 28 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:20:44,366 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2022-04-28 10:20:44,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-04-28 10:20:44,366 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 10:20:44,366 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 10:20:44,384 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-04-28 10:20:44,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:20:44,579 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 10:20:44,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 10:20:44,580 INFO L85 PathProgramCache]: Analyzing trace with hash -1415616702, now seen corresponding path program 3 times [2022-04-28 10:20:44,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 10:20:44,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1592274348] [2022-04-28 10:20:44,585 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-28 10:20:44,585 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-28 10:20:44,585 INFO L85 PathProgramCache]: Analyzing trace with hash -1415616702, now seen corresponding path program 4 times [2022-04-28 10:20:44,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 10:20:44,585 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52024185] [2022-04-28 10:20:44,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 10:20:44,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 10:20:44,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:20:44,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 10:20:44,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:20:44,667 INFO L290 TraceCheckUtils]: 0: Hoare triple {1034#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {1026#true} is VALID [2022-04-28 10:20:44,667 INFO L290 TraceCheckUtils]: 1: Hoare triple {1026#true} assume true; {1026#true} is VALID [2022-04-28 10:20:44,667 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {1026#true} {1026#true} #63#return; {1026#true} is VALID [2022-04-28 10:20:44,668 INFO L272 TraceCheckUtils]: 0: Hoare triple {1026#true} call ULTIMATE.init(); {1034#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 10:20:44,668 INFO L290 TraceCheckUtils]: 1: Hoare triple {1034#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {1026#true} is VALID [2022-04-28 10:20:44,668 INFO L290 TraceCheckUtils]: 2: Hoare triple {1026#true} assume true; {1026#true} is VALID [2022-04-28 10:20:44,668 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1026#true} {1026#true} #63#return; {1026#true} is VALID [2022-04-28 10:20:44,668 INFO L272 TraceCheckUtils]: 4: Hoare triple {1026#true} call #t~ret7 := main(); {1026#true} is VALID [2022-04-28 10:20:44,669 INFO L290 TraceCheckUtils]: 5: Hoare triple {1026#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {1026#true} is VALID [2022-04-28 10:20:44,669 INFO L290 TraceCheckUtils]: 6: Hoare triple {1026#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {1026#true} is VALID [2022-04-28 10:20:44,669 INFO L290 TraceCheckUtils]: 7: Hoare triple {1026#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {1031#(= main_~z~0 0)} is VALID [2022-04-28 10:20:44,669 INFO L290 TraceCheckUtils]: 8: Hoare triple {1031#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {1032#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:20:44,670 INFO L290 TraceCheckUtils]: 9: Hoare triple {1032#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {1033#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 2))} is VALID [2022-04-28 10:20:44,671 INFO L290 TraceCheckUtils]: 10: Hoare triple {1033#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 2))} assume !(~z~0 % 4294967296 < 268435455); {1027#false} is VALID [2022-04-28 10:20:44,671 INFO L272 TraceCheckUtils]: 11: Hoare triple {1027#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {1027#false} is VALID [2022-04-28 10:20:44,671 INFO L290 TraceCheckUtils]: 12: Hoare triple {1027#false} ~cond := #in~cond; {1027#false} is VALID [2022-04-28 10:20:44,671 INFO L290 TraceCheckUtils]: 13: Hoare triple {1027#false} assume 0 == ~cond; {1027#false} is VALID [2022-04-28 10:20:44,671 INFO L290 TraceCheckUtils]: 14: Hoare triple {1027#false} assume !false; {1027#false} is VALID [2022-04-28 10:20:44,671 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:20:44,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 10:20:44,671 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52024185] [2022-04-28 10:20:44,671 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52024185] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 10:20:44,672 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2113306346] [2022-04-28 10:20:44,672 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-28 10:20:44,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:20:44,672 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 10:20:44,673 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 10:20:44,674 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-04-28 10:20:44,701 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-28 10:20:44,701 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 10:20:44,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 7 conjunts are in the unsatisfiable core [2022-04-28 10:20:44,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:20:44,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 10:20:44,904 INFO L272 TraceCheckUtils]: 0: Hoare triple {1026#true} call ULTIMATE.init(); {1026#true} is VALID [2022-04-28 10:20:44,905 INFO L290 TraceCheckUtils]: 1: Hoare triple {1026#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {1026#true} is VALID [2022-04-28 10:20:44,905 INFO L290 TraceCheckUtils]: 2: Hoare triple {1026#true} assume true; {1026#true} is VALID [2022-04-28 10:20:44,905 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1026#true} {1026#true} #63#return; {1026#true} is VALID [2022-04-28 10:20:44,905 INFO L272 TraceCheckUtils]: 4: Hoare triple {1026#true} call #t~ret7 := main(); {1026#true} is VALID [2022-04-28 10:20:44,905 INFO L290 TraceCheckUtils]: 5: Hoare triple {1026#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {1026#true} is VALID [2022-04-28 10:20:44,905 INFO L290 TraceCheckUtils]: 6: Hoare triple {1026#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {1026#true} is VALID [2022-04-28 10:20:44,906 INFO L290 TraceCheckUtils]: 7: Hoare triple {1026#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {1031#(= main_~z~0 0)} is VALID [2022-04-28 10:20:44,906 INFO L290 TraceCheckUtils]: 8: Hoare triple {1031#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {1032#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:20:44,907 INFO L290 TraceCheckUtils]: 9: Hoare triple {1032#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {1065#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:20:44,907 INFO L290 TraceCheckUtils]: 10: Hoare triple {1065#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !(~z~0 % 4294967296 < 268435455); {1027#false} is VALID [2022-04-28 10:20:44,907 INFO L272 TraceCheckUtils]: 11: Hoare triple {1027#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {1027#false} is VALID [2022-04-28 10:20:44,907 INFO L290 TraceCheckUtils]: 12: Hoare triple {1027#false} ~cond := #in~cond; {1027#false} is VALID [2022-04-28 10:20:44,907 INFO L290 TraceCheckUtils]: 13: Hoare triple {1027#false} assume 0 == ~cond; {1027#false} is VALID [2022-04-28 10:20:44,908 INFO L290 TraceCheckUtils]: 14: Hoare triple {1027#false} assume !false; {1027#false} is VALID [2022-04-28 10:20:44,908 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:20:44,908 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 10:20:45,017 INFO L290 TraceCheckUtils]: 14: Hoare triple {1027#false} assume !false; {1027#false} is VALID [2022-04-28 10:20:45,017 INFO L290 TraceCheckUtils]: 13: Hoare triple {1027#false} assume 0 == ~cond; {1027#false} is VALID [2022-04-28 10:20:45,017 INFO L290 TraceCheckUtils]: 12: Hoare triple {1027#false} ~cond := #in~cond; {1027#false} is VALID [2022-04-28 10:20:45,017 INFO L272 TraceCheckUtils]: 11: Hoare triple {1027#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {1027#false} is VALID [2022-04-28 10:20:45,018 INFO L290 TraceCheckUtils]: 10: Hoare triple {1093#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {1027#false} is VALID [2022-04-28 10:20:45,019 INFO L290 TraceCheckUtils]: 9: Hoare triple {1097#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {1093#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 10:20:45,020 INFO L290 TraceCheckUtils]: 8: Hoare triple {1101#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {1097#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 10:20:45,020 INFO L290 TraceCheckUtils]: 7: Hoare triple {1026#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {1101#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 10:20:45,020 INFO L290 TraceCheckUtils]: 6: Hoare triple {1026#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {1026#true} is VALID [2022-04-28 10:20:45,020 INFO L290 TraceCheckUtils]: 5: Hoare triple {1026#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {1026#true} is VALID [2022-04-28 10:20:45,020 INFO L272 TraceCheckUtils]: 4: Hoare triple {1026#true} call #t~ret7 := main(); {1026#true} is VALID [2022-04-28 10:20:45,021 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1026#true} {1026#true} #63#return; {1026#true} is VALID [2022-04-28 10:20:45,021 INFO L290 TraceCheckUtils]: 2: Hoare triple {1026#true} assume true; {1026#true} is VALID [2022-04-28 10:20:45,021 INFO L290 TraceCheckUtils]: 1: Hoare triple {1026#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {1026#true} is VALID [2022-04-28 10:20:45,021 INFO L272 TraceCheckUtils]: 0: Hoare triple {1026#true} call ULTIMATE.init(); {1026#true} is VALID [2022-04-28 10:20:45,021 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:20:45,021 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2113306346] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 10:20:45,021 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 10:20:45,021 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2022-04-28 10:20:45,022 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 10:20:45,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1592274348] [2022-04-28 10:20:45,022 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1592274348] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 10:20:45,022 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 10:20:45,022 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-28 10:20:45,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069245342] [2022-04-28 10:20:45,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 10:20:45,022 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 5 states have internal predecessors, (11), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2022-04-28 10:20:45,022 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 10:20:45,023 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 5 states have internal predecessors, (11), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:20:45,049 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 15 edges. 15 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:20:45,049 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-28 10:20:45,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 10:20:45,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-28 10:20:45,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-04-28 10:20:45,051 INFO L87 Difference]: Start difference. First operand 24 states and 28 transitions. Second operand has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 5 states have internal predecessors, (11), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:20:45,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:20:45,173 INFO L93 Difference]: Finished difference Result 43 states and 52 transitions. [2022-04-28 10:20:45,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-28 10:20:45,174 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 5 states have internal predecessors, (11), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2022-04-28 10:20:45,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 10:20:45,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 5 states have internal predecessors, (11), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:20:45,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 48 transitions. [2022-04-28 10:20:45,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 5 states have internal predecessors, (11), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:20:45,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 48 transitions. [2022-04-28 10:20:45,176 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 6 states and 48 transitions. [2022-04-28 10:20:45,210 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 48 edges. 48 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:20:45,211 INFO L225 Difference]: With dead ends: 43 [2022-04-28 10:20:45,211 INFO L226 Difference]: Without dead ends: 26 [2022-04-28 10:20:45,211 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156 [2022-04-28 10:20:45,212 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 18 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-28 10:20:45,212 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 28 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-28 10:20:45,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2022-04-28 10:20:45,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 25. [2022-04-28 10:20:45,238 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 10:20:45,238 INFO L82 GeneralOperation]: Start isEquivalent. First operand 26 states. Second operand has 25 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 18 states have internal predecessors, (21), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:20:45,238 INFO L74 IsIncluded]: Start isIncluded. First operand 26 states. Second operand has 25 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 18 states have internal predecessors, (21), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:20:45,238 INFO L87 Difference]: Start difference. First operand 26 states. Second operand has 25 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 18 states have internal predecessors, (21), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:20:45,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:20:45,240 INFO L93 Difference]: Finished difference Result 26 states and 30 transitions. [2022-04-28 10:20:45,240 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2022-04-28 10:20:45,240 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:20:45,240 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:20:45,240 INFO L74 IsIncluded]: Start isIncluded. First operand has 25 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 18 states have internal predecessors, (21), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 26 states. [2022-04-28 10:20:45,240 INFO L87 Difference]: Start difference. First operand has 25 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 18 states have internal predecessors, (21), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 26 states. [2022-04-28 10:20:45,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:20:45,243 INFO L93 Difference]: Finished difference Result 26 states and 30 transitions. [2022-04-28 10:20:45,243 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2022-04-28 10:20:45,243 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:20:45,243 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:20:45,243 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 10:20:45,243 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 10:20:45,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 18 states have internal predecessors, (21), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:20:45,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2022-04-28 10:20:45,244 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 29 transitions. Word has length 15 [2022-04-28 10:20:45,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 10:20:45,244 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 29 transitions. [2022-04-28 10:20:45,244 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 5 states have internal predecessors, (11), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:20:45,244 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 25 states and 29 transitions. [2022-04-28 10:20:45,265 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 29 edges. 29 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:20:45,266 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2022-04-28 10:20:45,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-04-28 10:20:45,266 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 10:20:45,266 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 10:20:45,285 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-04-28 10:20:45,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-04-28 10:20:45,482 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 10:20:45,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 10:20:45,482 INFO L85 PathProgramCache]: Analyzing trace with hash -908142238, now seen corresponding path program 5 times [2022-04-28 10:20:45,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 10:20:45,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [869482333] [2022-04-28 10:20:45,486 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-28 10:20:45,486 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-28 10:20:45,486 INFO L85 PathProgramCache]: Analyzing trace with hash -908142238, now seen corresponding path program 6 times [2022-04-28 10:20:45,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 10:20:45,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888499357] [2022-04-28 10:20:45,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 10:20:45,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 10:20:45,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:20:45,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 10:20:45,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:20:45,551 INFO L290 TraceCheckUtils]: 0: Hoare triple {1332#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {1323#true} is VALID [2022-04-28 10:20:45,551 INFO L290 TraceCheckUtils]: 1: Hoare triple {1323#true} assume true; {1323#true} is VALID [2022-04-28 10:20:45,551 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {1323#true} {1323#true} #63#return; {1323#true} is VALID [2022-04-28 10:20:45,551 INFO L272 TraceCheckUtils]: 0: Hoare triple {1323#true} call ULTIMATE.init(); {1332#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 10:20:45,552 INFO L290 TraceCheckUtils]: 1: Hoare triple {1332#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {1323#true} is VALID [2022-04-28 10:20:45,552 INFO L290 TraceCheckUtils]: 2: Hoare triple {1323#true} assume true; {1323#true} is VALID [2022-04-28 10:20:45,552 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1323#true} {1323#true} #63#return; {1323#true} is VALID [2022-04-28 10:20:45,552 INFO L272 TraceCheckUtils]: 4: Hoare triple {1323#true} call #t~ret7 := main(); {1323#true} is VALID [2022-04-28 10:20:45,552 INFO L290 TraceCheckUtils]: 5: Hoare triple {1323#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {1323#true} is VALID [2022-04-28 10:20:45,552 INFO L290 TraceCheckUtils]: 6: Hoare triple {1323#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {1323#true} is VALID [2022-04-28 10:20:45,553 INFO L290 TraceCheckUtils]: 7: Hoare triple {1323#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {1328#(= main_~z~0 0)} is VALID [2022-04-28 10:20:45,553 INFO L290 TraceCheckUtils]: 8: Hoare triple {1328#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {1329#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:20:45,554 INFO L290 TraceCheckUtils]: 9: Hoare triple {1329#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {1330#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:20:45,554 INFO L290 TraceCheckUtils]: 10: Hoare triple {1330#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {1331#(and (<= main_~z~0 3) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} is VALID [2022-04-28 10:20:45,555 INFO L290 TraceCheckUtils]: 11: Hoare triple {1331#(and (<= main_~z~0 3) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} assume !(~z~0 % 4294967296 < 268435455); {1324#false} is VALID [2022-04-28 10:20:45,555 INFO L272 TraceCheckUtils]: 12: Hoare triple {1324#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {1324#false} is VALID [2022-04-28 10:20:45,555 INFO L290 TraceCheckUtils]: 13: Hoare triple {1324#false} ~cond := #in~cond; {1324#false} is VALID [2022-04-28 10:20:45,555 INFO L290 TraceCheckUtils]: 14: Hoare triple {1324#false} assume 0 == ~cond; {1324#false} is VALID [2022-04-28 10:20:45,556 INFO L290 TraceCheckUtils]: 15: Hoare triple {1324#false} assume !false; {1324#false} is VALID [2022-04-28 10:20:45,556 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:20:45,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 10:20:45,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888499357] [2022-04-28 10:20:45,556 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [888499357] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 10:20:45,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [584453101] [2022-04-28 10:20:45,556 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-04-28 10:20:45,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:20:45,557 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 10:20:45,572 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 10:20:45,573 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-04-28 10:20:45,607 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2022-04-28 10:20:45,608 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 10:20:45,608 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 9 conjunts are in the unsatisfiable core [2022-04-28 10:20:45,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:20:45,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 10:20:45,805 INFO L272 TraceCheckUtils]: 0: Hoare triple {1323#true} call ULTIMATE.init(); {1323#true} is VALID [2022-04-28 10:20:45,806 INFO L290 TraceCheckUtils]: 1: Hoare triple {1323#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {1323#true} is VALID [2022-04-28 10:20:45,806 INFO L290 TraceCheckUtils]: 2: Hoare triple {1323#true} assume true; {1323#true} is VALID [2022-04-28 10:20:45,806 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1323#true} {1323#true} #63#return; {1323#true} is VALID [2022-04-28 10:20:45,806 INFO L272 TraceCheckUtils]: 4: Hoare triple {1323#true} call #t~ret7 := main(); {1323#true} is VALID [2022-04-28 10:20:45,806 INFO L290 TraceCheckUtils]: 5: Hoare triple {1323#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {1323#true} is VALID [2022-04-28 10:20:45,806 INFO L290 TraceCheckUtils]: 6: Hoare triple {1323#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {1323#true} is VALID [2022-04-28 10:20:45,808 INFO L290 TraceCheckUtils]: 7: Hoare triple {1323#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {1328#(= main_~z~0 0)} is VALID [2022-04-28 10:20:45,808 INFO L290 TraceCheckUtils]: 8: Hoare triple {1328#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {1329#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:20:45,809 INFO L290 TraceCheckUtils]: 9: Hoare triple {1329#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {1330#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:20:45,809 INFO L290 TraceCheckUtils]: 10: Hoare triple {1330#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {1366#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:20:45,810 INFO L290 TraceCheckUtils]: 11: Hoare triple {1366#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !(~z~0 % 4294967296 < 268435455); {1324#false} is VALID [2022-04-28 10:20:45,810 INFO L272 TraceCheckUtils]: 12: Hoare triple {1324#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {1324#false} is VALID [2022-04-28 10:20:45,812 INFO L290 TraceCheckUtils]: 13: Hoare triple {1324#false} ~cond := #in~cond; {1324#false} is VALID [2022-04-28 10:20:45,813 INFO L290 TraceCheckUtils]: 14: Hoare triple {1324#false} assume 0 == ~cond; {1324#false} is VALID [2022-04-28 10:20:45,813 INFO L290 TraceCheckUtils]: 15: Hoare triple {1324#false} assume !false; {1324#false} is VALID [2022-04-28 10:20:45,813 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:20:45,814 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 10:20:45,896 INFO L290 TraceCheckUtils]: 15: Hoare triple {1324#false} assume !false; {1324#false} is VALID [2022-04-28 10:20:45,897 INFO L290 TraceCheckUtils]: 14: Hoare triple {1324#false} assume 0 == ~cond; {1324#false} is VALID [2022-04-28 10:20:45,897 INFO L290 TraceCheckUtils]: 13: Hoare triple {1324#false} ~cond := #in~cond; {1324#false} is VALID [2022-04-28 10:20:45,897 INFO L272 TraceCheckUtils]: 12: Hoare triple {1324#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {1324#false} is VALID [2022-04-28 10:20:45,897 INFO L290 TraceCheckUtils]: 11: Hoare triple {1394#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {1324#false} is VALID [2022-04-28 10:20:45,898 INFO L290 TraceCheckUtils]: 10: Hoare triple {1398#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {1394#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 10:20:45,898 INFO L290 TraceCheckUtils]: 9: Hoare triple {1402#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {1398#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 10:20:45,899 INFO L290 TraceCheckUtils]: 8: Hoare triple {1406#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {1402#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 10:20:45,899 INFO L290 TraceCheckUtils]: 7: Hoare triple {1323#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {1406#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 10:20:45,899 INFO L290 TraceCheckUtils]: 6: Hoare triple {1323#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {1323#true} is VALID [2022-04-28 10:20:45,899 INFO L290 TraceCheckUtils]: 5: Hoare triple {1323#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {1323#true} is VALID [2022-04-28 10:20:45,900 INFO L272 TraceCheckUtils]: 4: Hoare triple {1323#true} call #t~ret7 := main(); {1323#true} is VALID [2022-04-28 10:20:45,900 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1323#true} {1323#true} #63#return; {1323#true} is VALID [2022-04-28 10:20:45,900 INFO L290 TraceCheckUtils]: 2: Hoare triple {1323#true} assume true; {1323#true} is VALID [2022-04-28 10:20:45,900 INFO L290 TraceCheckUtils]: 1: Hoare triple {1323#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {1323#true} is VALID [2022-04-28 10:20:45,900 INFO L272 TraceCheckUtils]: 0: Hoare triple {1323#true} call ULTIMATE.init(); {1323#true} is VALID [2022-04-28 10:20:45,900 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:20:45,900 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [584453101] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 10:20:45,900 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 10:20:45,900 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 12 [2022-04-28 10:20:45,901 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 10:20:45,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [869482333] [2022-04-28 10:20:45,901 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [869482333] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 10:20:45,901 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 10:20:45,901 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-04-28 10:20:45,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839197412] [2022-04-28 10:20:45,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 10:20:45,901 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 states have internal predecessors, (12), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2022-04-28 10:20:45,901 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 10:20:45,902 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 states have internal predecessors, (12), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:20:45,911 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:20:45,912 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-04-28 10:20:45,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 10:20:45,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-04-28 10:20:45,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2022-04-28 10:20:45,912 INFO L87 Difference]: Start difference. First operand 25 states and 29 transitions. Second operand has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 states have internal predecessors, (12), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:20:46,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:20:46,076 INFO L93 Difference]: Finished difference Result 45 states and 54 transitions. [2022-04-28 10:20:46,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-04-28 10:20:46,076 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 states have internal predecessors, (12), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2022-04-28 10:20:46,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 10:20:46,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 states have internal predecessors, (12), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:20:46,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 49 transitions. [2022-04-28 10:20:46,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 states have internal predecessors, (12), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:20:46,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 49 transitions. [2022-04-28 10:20:46,078 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 7 states and 49 transitions. [2022-04-28 10:20:46,106 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 49 edges. 49 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:20:46,107 INFO L225 Difference]: With dead ends: 45 [2022-04-28 10:20:46,107 INFO L226 Difference]: Without dead ends: 27 [2022-04-28 10:20:46,107 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 30 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2022-04-28 10:20:46,108 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 17 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-28 10:20:46,108 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 38 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-28 10:20:46,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2022-04-28 10:20:46,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 26. [2022-04-28 10:20:46,114 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 10:20:46,114 INFO L82 GeneralOperation]: Start isEquivalent. First operand 27 states. Second operand has 26 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 19 states have internal predecessors, (22), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:20:46,114 INFO L74 IsIncluded]: Start isIncluded. First operand 27 states. Second operand has 26 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 19 states have internal predecessors, (22), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:20:46,114 INFO L87 Difference]: Start difference. First operand 27 states. Second operand has 26 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 19 states have internal predecessors, (22), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:20:46,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:20:46,115 INFO L93 Difference]: Finished difference Result 27 states and 31 transitions. [2022-04-28 10:20:46,115 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2022-04-28 10:20:46,115 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:20:46,115 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:20:46,115 INFO L74 IsIncluded]: Start isIncluded. First operand has 26 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 19 states have internal predecessors, (22), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 27 states. [2022-04-28 10:20:46,116 INFO L87 Difference]: Start difference. First operand has 26 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 19 states have internal predecessors, (22), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 27 states. [2022-04-28 10:20:46,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:20:46,116 INFO L93 Difference]: Finished difference Result 27 states and 31 transitions. [2022-04-28 10:20:46,116 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2022-04-28 10:20:46,117 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:20:46,117 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:20:46,117 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 10:20:46,117 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 10:20:46,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 19 states have internal predecessors, (22), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:20:46,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 30 transitions. [2022-04-28 10:20:46,118 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 30 transitions. Word has length 16 [2022-04-28 10:20:46,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 10:20:46,118 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 30 transitions. [2022-04-28 10:20:46,118 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 states have internal predecessors, (12), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:20:46,118 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 26 states and 30 transitions. [2022-04-28 10:20:46,139 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 30 edges. 30 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:20:46,139 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2022-04-28 10:20:46,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-04-28 10:20:46,139 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 10:20:46,139 INFO L195 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 10:20:46,155 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-04-28 10:20:46,339 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:20:46,340 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 10:20:46,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 10:20:46,340 INFO L85 PathProgramCache]: Analyzing trace with hash 1938664258, now seen corresponding path program 7 times [2022-04-28 10:20:46,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 10:20:46,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [2050213078] [2022-04-28 10:20:46,349 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-28 10:20:46,349 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-28 10:20:46,350 INFO L85 PathProgramCache]: Analyzing trace with hash 1938664258, now seen corresponding path program 8 times [2022-04-28 10:20:46,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 10:20:46,350 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215447328] [2022-04-28 10:20:46,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 10:20:46,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 10:20:46,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:20:46,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 10:20:46,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:20:46,436 INFO L290 TraceCheckUtils]: 0: Hoare triple {1648#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {1638#true} is VALID [2022-04-28 10:20:46,436 INFO L290 TraceCheckUtils]: 1: Hoare triple {1638#true} assume true; {1638#true} is VALID [2022-04-28 10:20:46,436 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {1638#true} {1638#true} #63#return; {1638#true} is VALID [2022-04-28 10:20:46,437 INFO L272 TraceCheckUtils]: 0: Hoare triple {1638#true} call ULTIMATE.init(); {1648#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 10:20:46,437 INFO L290 TraceCheckUtils]: 1: Hoare triple {1648#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {1638#true} is VALID [2022-04-28 10:20:46,437 INFO L290 TraceCheckUtils]: 2: Hoare triple {1638#true} assume true; {1638#true} is VALID [2022-04-28 10:20:46,437 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1638#true} {1638#true} #63#return; {1638#true} is VALID [2022-04-28 10:20:46,437 INFO L272 TraceCheckUtils]: 4: Hoare triple {1638#true} call #t~ret7 := main(); {1638#true} is VALID [2022-04-28 10:20:46,437 INFO L290 TraceCheckUtils]: 5: Hoare triple {1638#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {1638#true} is VALID [2022-04-28 10:20:46,437 INFO L290 TraceCheckUtils]: 6: Hoare triple {1638#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {1638#true} is VALID [2022-04-28 10:20:46,438 INFO L290 TraceCheckUtils]: 7: Hoare triple {1638#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {1643#(= main_~z~0 0)} is VALID [2022-04-28 10:20:46,438 INFO L290 TraceCheckUtils]: 8: Hoare triple {1643#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {1644#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:20:46,439 INFO L290 TraceCheckUtils]: 9: Hoare triple {1644#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {1645#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:20:46,439 INFO L290 TraceCheckUtils]: 10: Hoare triple {1645#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {1646#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:20:46,440 INFO L290 TraceCheckUtils]: 11: Hoare triple {1646#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {1647#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 4))} is VALID [2022-04-28 10:20:46,441 INFO L290 TraceCheckUtils]: 12: Hoare triple {1647#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 4))} assume !(~z~0 % 4294967296 < 268435455); {1639#false} is VALID [2022-04-28 10:20:46,441 INFO L272 TraceCheckUtils]: 13: Hoare triple {1639#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {1639#false} is VALID [2022-04-28 10:20:46,441 INFO L290 TraceCheckUtils]: 14: Hoare triple {1639#false} ~cond := #in~cond; {1639#false} is VALID [2022-04-28 10:20:46,441 INFO L290 TraceCheckUtils]: 15: Hoare triple {1639#false} assume 0 == ~cond; {1639#false} is VALID [2022-04-28 10:20:46,441 INFO L290 TraceCheckUtils]: 16: Hoare triple {1639#false} assume !false; {1639#false} is VALID [2022-04-28 10:20:46,442 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:20:46,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 10:20:46,442 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215447328] [2022-04-28 10:20:46,442 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [215447328] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 10:20:46,442 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1213299624] [2022-04-28 10:20:46,442 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-28 10:20:46,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:20:46,442 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 10:20:46,443 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 10:20:46,444 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-04-28 10:20:46,474 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-28 10:20:46,474 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 10:20:46,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 11 conjunts are in the unsatisfiable core [2022-04-28 10:20:46,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:20:46,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 10:20:47,051 INFO L272 TraceCheckUtils]: 0: Hoare triple {1638#true} call ULTIMATE.init(); {1638#true} is VALID [2022-04-28 10:20:47,051 INFO L290 TraceCheckUtils]: 1: Hoare triple {1638#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {1638#true} is VALID [2022-04-28 10:20:47,051 INFO L290 TraceCheckUtils]: 2: Hoare triple {1638#true} assume true; {1638#true} is VALID [2022-04-28 10:20:47,052 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1638#true} {1638#true} #63#return; {1638#true} is VALID [2022-04-28 10:20:47,052 INFO L272 TraceCheckUtils]: 4: Hoare triple {1638#true} call #t~ret7 := main(); {1638#true} is VALID [2022-04-28 10:20:47,052 INFO L290 TraceCheckUtils]: 5: Hoare triple {1638#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {1638#true} is VALID [2022-04-28 10:20:47,052 INFO L290 TraceCheckUtils]: 6: Hoare triple {1638#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {1638#true} is VALID [2022-04-28 10:20:47,052 INFO L290 TraceCheckUtils]: 7: Hoare triple {1638#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {1643#(= main_~z~0 0)} is VALID [2022-04-28 10:20:47,053 INFO L290 TraceCheckUtils]: 8: Hoare triple {1643#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {1644#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:20:47,053 INFO L290 TraceCheckUtils]: 9: Hoare triple {1644#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {1645#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:20:47,054 INFO L290 TraceCheckUtils]: 10: Hoare triple {1645#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {1646#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:20:47,054 INFO L290 TraceCheckUtils]: 11: Hoare triple {1646#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {1685#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:20:47,055 INFO L290 TraceCheckUtils]: 12: Hoare triple {1685#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !(~z~0 % 4294967296 < 268435455); {1639#false} is VALID [2022-04-28 10:20:47,055 INFO L272 TraceCheckUtils]: 13: Hoare triple {1639#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {1639#false} is VALID [2022-04-28 10:20:47,055 INFO L290 TraceCheckUtils]: 14: Hoare triple {1639#false} ~cond := #in~cond; {1639#false} is VALID [2022-04-28 10:20:47,055 INFO L290 TraceCheckUtils]: 15: Hoare triple {1639#false} assume 0 == ~cond; {1639#false} is VALID [2022-04-28 10:20:47,055 INFO L290 TraceCheckUtils]: 16: Hoare triple {1639#false} assume !false; {1639#false} is VALID [2022-04-28 10:20:47,055 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:20:47,055 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 10:20:47,160 INFO L290 TraceCheckUtils]: 16: Hoare triple {1639#false} assume !false; {1639#false} is VALID [2022-04-28 10:20:47,160 INFO L290 TraceCheckUtils]: 15: Hoare triple {1639#false} assume 0 == ~cond; {1639#false} is VALID [2022-04-28 10:20:47,160 INFO L290 TraceCheckUtils]: 14: Hoare triple {1639#false} ~cond := #in~cond; {1639#false} is VALID [2022-04-28 10:20:47,161 INFO L272 TraceCheckUtils]: 13: Hoare triple {1639#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {1639#false} is VALID [2022-04-28 10:20:47,165 INFO L290 TraceCheckUtils]: 12: Hoare triple {1713#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {1639#false} is VALID [2022-04-28 10:20:47,167 INFO L290 TraceCheckUtils]: 11: Hoare triple {1717#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {1713#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 10:20:47,168 INFO L290 TraceCheckUtils]: 10: Hoare triple {1721#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {1717#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 10:20:47,170 INFO L290 TraceCheckUtils]: 9: Hoare triple {1725#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {1721#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 10:20:47,172 INFO L290 TraceCheckUtils]: 8: Hoare triple {1729#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {1725#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 10:20:47,172 INFO L290 TraceCheckUtils]: 7: Hoare triple {1638#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {1729#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 10:20:47,172 INFO L290 TraceCheckUtils]: 6: Hoare triple {1638#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {1638#true} is VALID [2022-04-28 10:20:47,172 INFO L290 TraceCheckUtils]: 5: Hoare triple {1638#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {1638#true} is VALID [2022-04-28 10:20:47,172 INFO L272 TraceCheckUtils]: 4: Hoare triple {1638#true} call #t~ret7 := main(); {1638#true} is VALID [2022-04-28 10:20:47,173 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1638#true} {1638#true} #63#return; {1638#true} is VALID [2022-04-28 10:20:47,173 INFO L290 TraceCheckUtils]: 2: Hoare triple {1638#true} assume true; {1638#true} is VALID [2022-04-28 10:20:47,173 INFO L290 TraceCheckUtils]: 1: Hoare triple {1638#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {1638#true} is VALID [2022-04-28 10:20:47,173 INFO L272 TraceCheckUtils]: 0: Hoare triple {1638#true} call ULTIMATE.init(); {1638#true} is VALID [2022-04-28 10:20:47,173 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:20:47,173 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1213299624] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 10:20:47,173 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 10:20:47,173 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 14 [2022-04-28 10:20:47,173 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 10:20:47,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [2050213078] [2022-04-28 10:20:47,174 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [2050213078] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 10:20:47,174 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 10:20:47,174 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-04-28 10:20:47,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464409755] [2022-04-28 10:20:47,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 10:20:47,174 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.625) internal successors, (13), 7 states have internal predecessors, (13), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2022-04-28 10:20:47,174 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 10:20:47,174 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 8 states, 8 states have (on average 1.625) internal successors, (13), 7 states have internal predecessors, (13), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:20:47,187 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:20:47,187 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-04-28 10:20:47,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 10:20:47,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-04-28 10:20:47,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2022-04-28 10:20:47,188 INFO L87 Difference]: Start difference. First operand 26 states and 30 transitions. Second operand has 8 states, 8 states have (on average 1.625) internal successors, (13), 7 states have internal predecessors, (13), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:20:47,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:20:47,381 INFO L93 Difference]: Finished difference Result 47 states and 56 transitions. [2022-04-28 10:20:47,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-04-28 10:20:47,381 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.625) internal successors, (13), 7 states have internal predecessors, (13), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2022-04-28 10:20:47,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 10:20:47,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.625) internal successors, (13), 7 states have internal predecessors, (13), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:20:47,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 50 transitions. [2022-04-28 10:20:47,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.625) internal successors, (13), 7 states have internal predecessors, (13), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:20:47,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 50 transitions. [2022-04-28 10:20:47,383 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 8 states and 50 transitions. [2022-04-28 10:20:47,416 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 50 edges. 50 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:20:47,417 INFO L225 Difference]: With dead ends: 47 [2022-04-28 10:20:47,417 INFO L226 Difference]: Without dead ends: 28 [2022-04-28 10:20:47,417 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 31 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=113, Invalid=229, Unknown=0, NotChecked=0, Total=342 [2022-04-28 10:20:47,417 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 17 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-28 10:20:47,418 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 38 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-28 10:20:47,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2022-04-28 10:20:47,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 27. [2022-04-28 10:20:47,425 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 10:20:47,425 INFO L82 GeneralOperation]: Start isEquivalent. First operand 28 states. Second operand has 27 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 20 states have internal predecessors, (23), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:20:47,425 INFO L74 IsIncluded]: Start isIncluded. First operand 28 states. Second operand has 27 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 20 states have internal predecessors, (23), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:20:47,425 INFO L87 Difference]: Start difference. First operand 28 states. Second operand has 27 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 20 states have internal predecessors, (23), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:20:47,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:20:47,426 INFO L93 Difference]: Finished difference Result 28 states and 32 transitions. [2022-04-28 10:20:47,426 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2022-04-28 10:20:47,426 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:20:47,426 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:20:47,427 INFO L74 IsIncluded]: Start isIncluded. First operand has 27 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 20 states have internal predecessors, (23), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 28 states. [2022-04-28 10:20:47,427 INFO L87 Difference]: Start difference. First operand has 27 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 20 states have internal predecessors, (23), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 28 states. [2022-04-28 10:20:47,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:20:47,427 INFO L93 Difference]: Finished difference Result 28 states and 32 transitions. [2022-04-28 10:20:47,427 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2022-04-28 10:20:47,428 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:20:47,428 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:20:47,428 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 10:20:47,428 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 10:20:47,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 20 states have internal predecessors, (23), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:20:47,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 31 transitions. [2022-04-28 10:20:47,429 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 31 transitions. Word has length 17 [2022-04-28 10:20:47,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 10:20:47,429 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 31 transitions. [2022-04-28 10:20:47,429 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.625) internal successors, (13), 7 states have internal predecessors, (13), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:20:47,429 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 27 states and 31 transitions. [2022-04-28 10:20:47,454 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 31 edges. 31 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:20:47,454 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2022-04-28 10:20:47,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-04-28 10:20:47,455 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 10:20:47,455 INFO L195 NwaCegarLoop]: trace histogram [5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 10:20:47,489 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-04-28 10:20:47,655 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:20:47,655 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 10:20:47,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 10:20:47,656 INFO L85 PathProgramCache]: Analyzing trace with hash -4647582, now seen corresponding path program 9 times [2022-04-28 10:20:47,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 10:20:47,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1678087071] [2022-04-28 10:20:47,658 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-28 10:20:47,658 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-28 10:20:47,658 INFO L85 PathProgramCache]: Analyzing trace with hash -4647582, now seen corresponding path program 10 times [2022-04-28 10:20:47,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 10:20:47,658 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361877276] [2022-04-28 10:20:47,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 10:20:47,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 10:20:47,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:20:47,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 10:20:47,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:20:47,776 INFO L290 TraceCheckUtils]: 0: Hoare triple {1982#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {1971#true} is VALID [2022-04-28 10:20:47,776 INFO L290 TraceCheckUtils]: 1: Hoare triple {1971#true} assume true; {1971#true} is VALID [2022-04-28 10:20:47,776 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {1971#true} {1971#true} #63#return; {1971#true} is VALID [2022-04-28 10:20:47,777 INFO L272 TraceCheckUtils]: 0: Hoare triple {1971#true} call ULTIMATE.init(); {1982#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 10:20:47,777 INFO L290 TraceCheckUtils]: 1: Hoare triple {1982#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {1971#true} is VALID [2022-04-28 10:20:47,777 INFO L290 TraceCheckUtils]: 2: Hoare triple {1971#true} assume true; {1971#true} is VALID [2022-04-28 10:20:47,777 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1971#true} {1971#true} #63#return; {1971#true} is VALID [2022-04-28 10:20:47,777 INFO L272 TraceCheckUtils]: 4: Hoare triple {1971#true} call #t~ret7 := main(); {1971#true} is VALID [2022-04-28 10:20:47,777 INFO L290 TraceCheckUtils]: 5: Hoare triple {1971#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {1971#true} is VALID [2022-04-28 10:20:47,777 INFO L290 TraceCheckUtils]: 6: Hoare triple {1971#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {1971#true} is VALID [2022-04-28 10:20:47,777 INFO L290 TraceCheckUtils]: 7: Hoare triple {1971#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {1976#(= main_~z~0 0)} is VALID [2022-04-28 10:20:47,778 INFO L290 TraceCheckUtils]: 8: Hoare triple {1976#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {1977#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:20:47,778 INFO L290 TraceCheckUtils]: 9: Hoare triple {1977#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {1978#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:20:47,779 INFO L290 TraceCheckUtils]: 10: Hoare triple {1978#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {1979#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:20:47,779 INFO L290 TraceCheckUtils]: 11: Hoare triple {1979#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {1980#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:20:47,780 INFO L290 TraceCheckUtils]: 12: Hoare triple {1980#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {1981#(and (<= main_~z~0 5) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} is VALID [2022-04-28 10:20:47,780 INFO L290 TraceCheckUtils]: 13: Hoare triple {1981#(and (<= main_~z~0 5) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} assume !(~z~0 % 4294967296 < 268435455); {1972#false} is VALID [2022-04-28 10:20:47,780 INFO L272 TraceCheckUtils]: 14: Hoare triple {1972#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {1972#false} is VALID [2022-04-28 10:20:47,780 INFO L290 TraceCheckUtils]: 15: Hoare triple {1972#false} ~cond := #in~cond; {1972#false} is VALID [2022-04-28 10:20:47,780 INFO L290 TraceCheckUtils]: 16: Hoare triple {1972#false} assume 0 == ~cond; {1972#false} is VALID [2022-04-28 10:20:47,781 INFO L290 TraceCheckUtils]: 17: Hoare triple {1972#false} assume !false; {1972#false} is VALID [2022-04-28 10:20:47,781 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:20:47,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 10:20:47,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361877276] [2022-04-28 10:20:47,781 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361877276] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 10:20:47,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [776016819] [2022-04-28 10:20:47,781 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-28 10:20:47,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:20:47,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 10:20:47,782 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 10:20:47,783 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-04-28 10:20:47,820 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-28 10:20:47,820 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 10:20:47,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 13 conjunts are in the unsatisfiable core [2022-04-28 10:20:47,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:20:47,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 10:20:48,025 INFO L272 TraceCheckUtils]: 0: Hoare triple {1971#true} call ULTIMATE.init(); {1971#true} is VALID [2022-04-28 10:20:48,025 INFO L290 TraceCheckUtils]: 1: Hoare triple {1971#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {1971#true} is VALID [2022-04-28 10:20:48,026 INFO L290 TraceCheckUtils]: 2: Hoare triple {1971#true} assume true; {1971#true} is VALID [2022-04-28 10:20:48,026 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1971#true} {1971#true} #63#return; {1971#true} is VALID [2022-04-28 10:20:48,026 INFO L272 TraceCheckUtils]: 4: Hoare triple {1971#true} call #t~ret7 := main(); {1971#true} is VALID [2022-04-28 10:20:48,026 INFO L290 TraceCheckUtils]: 5: Hoare triple {1971#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {1971#true} is VALID [2022-04-28 10:20:48,026 INFO L290 TraceCheckUtils]: 6: Hoare triple {1971#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {1971#true} is VALID [2022-04-28 10:20:48,027 INFO L290 TraceCheckUtils]: 7: Hoare triple {1971#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {1976#(= main_~z~0 0)} is VALID [2022-04-28 10:20:48,027 INFO L290 TraceCheckUtils]: 8: Hoare triple {1976#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {1977#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:20:48,027 INFO L290 TraceCheckUtils]: 9: Hoare triple {1977#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {1978#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:20:48,028 INFO L290 TraceCheckUtils]: 10: Hoare triple {1978#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {1979#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:20:48,028 INFO L290 TraceCheckUtils]: 11: Hoare triple {1979#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {1980#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:20:48,029 INFO L290 TraceCheckUtils]: 12: Hoare triple {1980#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {2022#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:20:48,029 INFO L290 TraceCheckUtils]: 13: Hoare triple {2022#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !(~z~0 % 4294967296 < 268435455); {1972#false} is VALID [2022-04-28 10:20:48,030 INFO L272 TraceCheckUtils]: 14: Hoare triple {1972#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {1972#false} is VALID [2022-04-28 10:20:48,030 INFO L290 TraceCheckUtils]: 15: Hoare triple {1972#false} ~cond := #in~cond; {1972#false} is VALID [2022-04-28 10:20:48,030 INFO L290 TraceCheckUtils]: 16: Hoare triple {1972#false} assume 0 == ~cond; {1972#false} is VALID [2022-04-28 10:20:48,030 INFO L290 TraceCheckUtils]: 17: Hoare triple {1972#false} assume !false; {1972#false} is VALID [2022-04-28 10:20:48,031 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:20:48,031 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 10:20:48,160 INFO L290 TraceCheckUtils]: 17: Hoare triple {1972#false} assume !false; {1972#false} is VALID [2022-04-28 10:20:48,161 INFO L290 TraceCheckUtils]: 16: Hoare triple {1972#false} assume 0 == ~cond; {1972#false} is VALID [2022-04-28 10:20:48,161 INFO L290 TraceCheckUtils]: 15: Hoare triple {1972#false} ~cond := #in~cond; {1972#false} is VALID [2022-04-28 10:20:48,161 INFO L272 TraceCheckUtils]: 14: Hoare triple {1972#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {1972#false} is VALID [2022-04-28 10:20:48,161 INFO L290 TraceCheckUtils]: 13: Hoare triple {2050#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {1972#false} is VALID [2022-04-28 10:20:48,162 INFO L290 TraceCheckUtils]: 12: Hoare triple {2054#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {2050#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 10:20:48,163 INFO L290 TraceCheckUtils]: 11: Hoare triple {2058#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {2054#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 10:20:48,163 INFO L290 TraceCheckUtils]: 10: Hoare triple {2062#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {2058#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 10:20:48,164 INFO L290 TraceCheckUtils]: 9: Hoare triple {2066#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {2062#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 10:20:48,165 INFO L290 TraceCheckUtils]: 8: Hoare triple {2070#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {2066#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 10:20:48,165 INFO L290 TraceCheckUtils]: 7: Hoare triple {1971#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {2070#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:20:48,165 INFO L290 TraceCheckUtils]: 6: Hoare triple {1971#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {1971#true} is VALID [2022-04-28 10:20:48,165 INFO L290 TraceCheckUtils]: 5: Hoare triple {1971#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {1971#true} is VALID [2022-04-28 10:20:48,165 INFO L272 TraceCheckUtils]: 4: Hoare triple {1971#true} call #t~ret7 := main(); {1971#true} is VALID [2022-04-28 10:20:48,165 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1971#true} {1971#true} #63#return; {1971#true} is VALID [2022-04-28 10:20:48,166 INFO L290 TraceCheckUtils]: 2: Hoare triple {1971#true} assume true; {1971#true} is VALID [2022-04-28 10:20:48,166 INFO L290 TraceCheckUtils]: 1: Hoare triple {1971#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {1971#true} is VALID [2022-04-28 10:20:48,166 INFO L272 TraceCheckUtils]: 0: Hoare triple {1971#true} call ULTIMATE.init(); {1971#true} is VALID [2022-04-28 10:20:48,166 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:20:48,166 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [776016819] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 10:20:48,166 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 10:20:48,166 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 16 [2022-04-28 10:20:48,167 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 10:20:48,167 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1678087071] [2022-04-28 10:20:48,167 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1678087071] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 10:20:48,167 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 10:20:48,167 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-04-28 10:20:48,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713623998] [2022-04-28 10:20:48,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 10:20:48,168 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 8 states have internal predecessors, (14), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2022-04-28 10:20:48,168 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 10:20:48,168 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 9 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 8 states have internal predecessors, (14), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:20:48,193 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:20:48,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-04-28 10:20:48,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 10:20:48,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-04-28 10:20:48,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2022-04-28 10:20:48,194 INFO L87 Difference]: Start difference. First operand 27 states and 31 transitions. Second operand has 9 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 8 states have internal predecessors, (14), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:20:48,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:20:48,441 INFO L93 Difference]: Finished difference Result 49 states and 58 transitions. [2022-04-28 10:20:48,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-28 10:20:48,442 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 8 states have internal predecessors, (14), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2022-04-28 10:20:48,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 10:20:48,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 8 states have internal predecessors, (14), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:20:48,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 51 transitions. [2022-04-28 10:20:48,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 8 states have internal predecessors, (14), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:20:48,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 51 transitions. [2022-04-28 10:20:48,444 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 9 states and 51 transitions. [2022-04-28 10:20:48,480 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 51 edges. 51 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:20:48,480 INFO L225 Difference]: With dead ends: 49 [2022-04-28 10:20:48,480 INFO L226 Difference]: Without dead ends: 29 [2022-04-28 10:20:48,481 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 32 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=147, Invalid=315, Unknown=0, NotChecked=0, Total=462 [2022-04-28 10:20:48,481 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 17 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-28 10:20:48,481 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 43 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-28 10:20:48,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2022-04-28 10:20:48,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 28. [2022-04-28 10:20:48,492 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 10:20:48,492 INFO L82 GeneralOperation]: Start isEquivalent. First operand 29 states. Second operand has 28 states, 20 states have (on average 1.2) internal successors, (24), 21 states have internal predecessors, (24), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:20:48,492 INFO L74 IsIncluded]: Start isIncluded. First operand 29 states. Second operand has 28 states, 20 states have (on average 1.2) internal successors, (24), 21 states have internal predecessors, (24), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:20:48,492 INFO L87 Difference]: Start difference. First operand 29 states. Second operand has 28 states, 20 states have (on average 1.2) internal successors, (24), 21 states have internal predecessors, (24), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:20:48,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:20:48,493 INFO L93 Difference]: Finished difference Result 29 states and 33 transitions. [2022-04-28 10:20:48,493 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 33 transitions. [2022-04-28 10:20:48,493 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:20:48,494 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:20:48,494 INFO L74 IsIncluded]: Start isIncluded. First operand has 28 states, 20 states have (on average 1.2) internal successors, (24), 21 states have internal predecessors, (24), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 29 states. [2022-04-28 10:20:48,494 INFO L87 Difference]: Start difference. First operand has 28 states, 20 states have (on average 1.2) internal successors, (24), 21 states have internal predecessors, (24), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 29 states. [2022-04-28 10:20:48,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:20:48,495 INFO L93 Difference]: Finished difference Result 29 states and 33 transitions. [2022-04-28 10:20:48,495 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 33 transitions. [2022-04-28 10:20:48,495 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:20:48,495 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:20:48,495 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 10:20:48,495 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 10:20:48,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 20 states have (on average 1.2) internal successors, (24), 21 states have internal predecessors, (24), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:20:48,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions. [2022-04-28 10:20:48,496 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 32 transitions. Word has length 18 [2022-04-28 10:20:48,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 10:20:48,496 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 32 transitions. [2022-04-28 10:20:48,496 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 8 states have internal predecessors, (14), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:20:48,496 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 28 states and 32 transitions. [2022-04-28 10:20:48,538 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 32 edges. 32 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:20:48,538 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2022-04-28 10:20:48,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-04-28 10:20:48,538 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 10:20:48,538 INFO L195 NwaCegarLoop]: trace histogram [6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 10:20:48,554 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-04-28 10:20:48,755 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:20:48,755 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 10:20:48,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 10:20:48,756 INFO L85 PathProgramCache]: Analyzing trace with hash -117772478, now seen corresponding path program 11 times [2022-04-28 10:20:48,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 10:20:48,756 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1217955403] [2022-04-28 10:20:48,761 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-28 10:20:48,761 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-28 10:20:48,761 INFO L85 PathProgramCache]: Analyzing trace with hash -117772478, now seen corresponding path program 12 times [2022-04-28 10:20:48,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 10:20:48,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241756514] [2022-04-28 10:20:48,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 10:20:48,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 10:20:48,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:20:48,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 10:20:48,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:20:48,874 INFO L290 TraceCheckUtils]: 0: Hoare triple {2334#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {2322#true} is VALID [2022-04-28 10:20:48,875 INFO L290 TraceCheckUtils]: 1: Hoare triple {2322#true} assume true; {2322#true} is VALID [2022-04-28 10:20:48,875 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {2322#true} {2322#true} #63#return; {2322#true} is VALID [2022-04-28 10:20:48,875 INFO L272 TraceCheckUtils]: 0: Hoare triple {2322#true} call ULTIMATE.init(); {2334#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 10:20:48,875 INFO L290 TraceCheckUtils]: 1: Hoare triple {2334#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {2322#true} is VALID [2022-04-28 10:20:48,875 INFO L290 TraceCheckUtils]: 2: Hoare triple {2322#true} assume true; {2322#true} is VALID [2022-04-28 10:20:48,876 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {2322#true} {2322#true} #63#return; {2322#true} is VALID [2022-04-28 10:20:48,876 INFO L272 TraceCheckUtils]: 4: Hoare triple {2322#true} call #t~ret7 := main(); {2322#true} is VALID [2022-04-28 10:20:48,876 INFO L290 TraceCheckUtils]: 5: Hoare triple {2322#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {2322#true} is VALID [2022-04-28 10:20:48,876 INFO L290 TraceCheckUtils]: 6: Hoare triple {2322#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {2322#true} is VALID [2022-04-28 10:20:48,876 INFO L290 TraceCheckUtils]: 7: Hoare triple {2322#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {2327#(= main_~z~0 0)} is VALID [2022-04-28 10:20:48,877 INFO L290 TraceCheckUtils]: 8: Hoare triple {2327#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {2328#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:20:48,877 INFO L290 TraceCheckUtils]: 9: Hoare triple {2328#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {2329#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:20:48,878 INFO L290 TraceCheckUtils]: 10: Hoare triple {2329#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {2330#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:20:48,878 INFO L290 TraceCheckUtils]: 11: Hoare triple {2330#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {2331#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:20:48,879 INFO L290 TraceCheckUtils]: 12: Hoare triple {2331#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {2332#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:20:48,880 INFO L290 TraceCheckUtils]: 13: Hoare triple {2332#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {2333#(and (<= main_~z~0 6) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} is VALID [2022-04-28 10:20:48,880 INFO L290 TraceCheckUtils]: 14: Hoare triple {2333#(and (<= main_~z~0 6) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} assume !(~z~0 % 4294967296 < 268435455); {2323#false} is VALID [2022-04-28 10:20:48,880 INFO L272 TraceCheckUtils]: 15: Hoare triple {2323#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {2323#false} is VALID [2022-04-28 10:20:48,880 INFO L290 TraceCheckUtils]: 16: Hoare triple {2323#false} ~cond := #in~cond; {2323#false} is VALID [2022-04-28 10:20:48,880 INFO L290 TraceCheckUtils]: 17: Hoare triple {2323#false} assume 0 == ~cond; {2323#false} is VALID [2022-04-28 10:20:48,880 INFO L290 TraceCheckUtils]: 18: Hoare triple {2323#false} assume !false; {2323#false} is VALID [2022-04-28 10:20:48,881 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:20:48,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 10:20:48,881 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241756514] [2022-04-28 10:20:48,881 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241756514] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 10:20:48,881 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1711046219] [2022-04-28 10:20:48,881 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-04-28 10:20:48,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:20:48,881 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 10:20:48,882 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 10:20:48,883 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-04-28 10:20:48,917 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2022-04-28 10:20:48,917 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 10:20:48,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 15 conjunts are in the unsatisfiable core [2022-04-28 10:20:48,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:20:48,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 10:20:49,117 INFO L272 TraceCheckUtils]: 0: Hoare triple {2322#true} call ULTIMATE.init(); {2322#true} is VALID [2022-04-28 10:20:49,117 INFO L290 TraceCheckUtils]: 1: Hoare triple {2322#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {2322#true} is VALID [2022-04-28 10:20:49,118 INFO L290 TraceCheckUtils]: 2: Hoare triple {2322#true} assume true; {2322#true} is VALID [2022-04-28 10:20:49,118 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {2322#true} {2322#true} #63#return; {2322#true} is VALID [2022-04-28 10:20:49,118 INFO L272 TraceCheckUtils]: 4: Hoare triple {2322#true} call #t~ret7 := main(); {2322#true} is VALID [2022-04-28 10:20:49,118 INFO L290 TraceCheckUtils]: 5: Hoare triple {2322#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {2322#true} is VALID [2022-04-28 10:20:49,118 INFO L290 TraceCheckUtils]: 6: Hoare triple {2322#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {2322#true} is VALID [2022-04-28 10:20:49,118 INFO L290 TraceCheckUtils]: 7: Hoare triple {2322#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {2327#(= main_~z~0 0)} is VALID [2022-04-28 10:20:49,119 INFO L290 TraceCheckUtils]: 8: Hoare triple {2327#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {2328#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:20:49,120 INFO L290 TraceCheckUtils]: 9: Hoare triple {2328#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {2329#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:20:49,120 INFO L290 TraceCheckUtils]: 10: Hoare triple {2329#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {2330#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:20:49,121 INFO L290 TraceCheckUtils]: 11: Hoare triple {2330#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {2331#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:20:49,121 INFO L290 TraceCheckUtils]: 12: Hoare triple {2331#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {2332#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:20:49,122 INFO L290 TraceCheckUtils]: 13: Hoare triple {2332#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {2377#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:20:49,122 INFO L290 TraceCheckUtils]: 14: Hoare triple {2377#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !(~z~0 % 4294967296 < 268435455); {2323#false} is VALID [2022-04-28 10:20:49,123 INFO L272 TraceCheckUtils]: 15: Hoare triple {2323#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {2323#false} is VALID [2022-04-28 10:20:49,123 INFO L290 TraceCheckUtils]: 16: Hoare triple {2323#false} ~cond := #in~cond; {2323#false} is VALID [2022-04-28 10:20:49,123 INFO L290 TraceCheckUtils]: 17: Hoare triple {2323#false} assume 0 == ~cond; {2323#false} is VALID [2022-04-28 10:20:49,123 INFO L290 TraceCheckUtils]: 18: Hoare triple {2323#false} assume !false; {2323#false} is VALID [2022-04-28 10:20:49,123 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:20:49,123 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 10:20:49,272 INFO L290 TraceCheckUtils]: 18: Hoare triple {2323#false} assume !false; {2323#false} is VALID [2022-04-28 10:20:49,272 INFO L290 TraceCheckUtils]: 17: Hoare triple {2323#false} assume 0 == ~cond; {2323#false} is VALID [2022-04-28 10:20:49,272 INFO L290 TraceCheckUtils]: 16: Hoare triple {2323#false} ~cond := #in~cond; {2323#false} is VALID [2022-04-28 10:20:49,272 INFO L272 TraceCheckUtils]: 15: Hoare triple {2323#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {2323#false} is VALID [2022-04-28 10:20:49,272 INFO L290 TraceCheckUtils]: 14: Hoare triple {2405#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {2323#false} is VALID [2022-04-28 10:20:49,273 INFO L290 TraceCheckUtils]: 13: Hoare triple {2409#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {2405#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 10:20:49,274 INFO L290 TraceCheckUtils]: 12: Hoare triple {2413#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {2409#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 10:20:49,274 INFO L290 TraceCheckUtils]: 11: Hoare triple {2417#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {2413#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 10:20:49,275 INFO L290 TraceCheckUtils]: 10: Hoare triple {2421#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {2417#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 10:20:49,279 INFO L290 TraceCheckUtils]: 9: Hoare triple {2425#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {2421#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 10:20:49,279 INFO L290 TraceCheckUtils]: 8: Hoare triple {2429#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {2425#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:20:49,280 INFO L290 TraceCheckUtils]: 7: Hoare triple {2322#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {2429#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} is VALID [2022-04-28 10:20:49,280 INFO L290 TraceCheckUtils]: 6: Hoare triple {2322#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {2322#true} is VALID [2022-04-28 10:20:49,280 INFO L290 TraceCheckUtils]: 5: Hoare triple {2322#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {2322#true} is VALID [2022-04-28 10:20:49,280 INFO L272 TraceCheckUtils]: 4: Hoare triple {2322#true} call #t~ret7 := main(); {2322#true} is VALID [2022-04-28 10:20:49,280 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {2322#true} {2322#true} #63#return; {2322#true} is VALID [2022-04-28 10:20:49,280 INFO L290 TraceCheckUtils]: 2: Hoare triple {2322#true} assume true; {2322#true} is VALID [2022-04-28 10:20:49,280 INFO L290 TraceCheckUtils]: 1: Hoare triple {2322#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {2322#true} is VALID [2022-04-28 10:20:49,280 INFO L272 TraceCheckUtils]: 0: Hoare triple {2322#true} call ULTIMATE.init(); {2322#true} is VALID [2022-04-28 10:20:49,281 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:20:49,281 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1711046219] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 10:20:49,281 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 10:20:49,281 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 18 [2022-04-28 10:20:49,281 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 10:20:49,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1217955403] [2022-04-28 10:20:49,281 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1217955403] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 10:20:49,281 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 10:20:49,281 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-04-28 10:20:49,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852377088] [2022-04-28 10:20:49,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 10:20:49,282 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.5) internal successors, (15), 9 states have internal predecessors, (15), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2022-04-28 10:20:49,282 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 10:20:49,282 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 10 states, 10 states have (on average 1.5) internal successors, (15), 9 states have internal predecessors, (15), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:20:49,300 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 19 edges. 19 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:20:49,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-04-28 10:20:49,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 10:20:49,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-04-28 10:20:49,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=210, Unknown=0, NotChecked=0, Total=306 [2022-04-28 10:20:49,301 INFO L87 Difference]: Start difference. First operand 28 states and 32 transitions. Second operand has 10 states, 10 states have (on average 1.5) internal successors, (15), 9 states have internal predecessors, (15), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:20:49,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:20:49,674 INFO L93 Difference]: Finished difference Result 51 states and 60 transitions. [2022-04-28 10:20:49,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-04-28 10:20:49,674 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.5) internal successors, (15), 9 states have internal predecessors, (15), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2022-04-28 10:20:49,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 10:20:49,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.5) internal successors, (15), 9 states have internal predecessors, (15), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:20:49,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 52 transitions. [2022-04-28 10:20:49,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.5) internal successors, (15), 9 states have internal predecessors, (15), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:20:49,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 52 transitions. [2022-04-28 10:20:49,676 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 10 states and 52 transitions. [2022-04-28 10:20:49,712 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 52 edges. 52 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:20:49,712 INFO L225 Difference]: With dead ends: 51 [2022-04-28 10:20:49,712 INFO L226 Difference]: Without dead ends: 30 [2022-04-28 10:20:49,713 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 33 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=185, Invalid=415, Unknown=0, NotChecked=0, Total=600 [2022-04-28 10:20:49,713 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 17 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-28 10:20:49,713 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 58 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-28 10:20:49,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2022-04-28 10:20:49,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 29. [2022-04-28 10:20:49,724 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 10:20:49,724 INFO L82 GeneralOperation]: Start isEquivalent. First operand 30 states. Second operand has 29 states, 21 states have (on average 1.1904761904761905) internal successors, (25), 22 states have internal predecessors, (25), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:20:49,725 INFO L74 IsIncluded]: Start isIncluded. First operand 30 states. Second operand has 29 states, 21 states have (on average 1.1904761904761905) internal successors, (25), 22 states have internal predecessors, (25), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:20:49,725 INFO L87 Difference]: Start difference. First operand 30 states. Second operand has 29 states, 21 states have (on average 1.1904761904761905) internal successors, (25), 22 states have internal predecessors, (25), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:20:49,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:20:49,725 INFO L93 Difference]: Finished difference Result 30 states and 34 transitions. [2022-04-28 10:20:49,726 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2022-04-28 10:20:49,726 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:20:49,726 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:20:49,726 INFO L74 IsIncluded]: Start isIncluded. First operand has 29 states, 21 states have (on average 1.1904761904761905) internal successors, (25), 22 states have internal predecessors, (25), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 30 states. [2022-04-28 10:20:49,726 INFO L87 Difference]: Start difference. First operand has 29 states, 21 states have (on average 1.1904761904761905) internal successors, (25), 22 states have internal predecessors, (25), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 30 states. [2022-04-28 10:20:49,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:20:49,727 INFO L93 Difference]: Finished difference Result 30 states and 34 transitions. [2022-04-28 10:20:49,727 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2022-04-28 10:20:49,727 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:20:49,727 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:20:49,727 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 10:20:49,727 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 10:20:49,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 21 states have (on average 1.1904761904761905) internal successors, (25), 22 states have internal predecessors, (25), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:20:49,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 33 transitions. [2022-04-28 10:20:49,728 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 33 transitions. Word has length 19 [2022-04-28 10:20:49,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 10:20:49,728 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 33 transitions. [2022-04-28 10:20:49,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.5) internal successors, (15), 9 states have internal predecessors, (15), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:20:49,728 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 29 states and 33 transitions. [2022-04-28 10:20:49,756 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 33 edges. 33 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:20:49,756 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 33 transitions. [2022-04-28 10:20:49,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-04-28 10:20:49,756 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 10:20:49,756 INFO L195 NwaCegarLoop]: trace histogram [7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 10:20:49,772 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-04-28 10:20:49,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:20:49,959 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 10:20:49,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 10:20:49,960 INFO L85 PathProgramCache]: Analyzing trace with hash 670323042, now seen corresponding path program 13 times [2022-04-28 10:20:49,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 10:20:49,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [662503518] [2022-04-28 10:20:49,962 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-28 10:20:49,962 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-28 10:20:49,962 INFO L85 PathProgramCache]: Analyzing trace with hash 670323042, now seen corresponding path program 14 times [2022-04-28 10:20:49,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 10:20:49,962 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851954826] [2022-04-28 10:20:49,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 10:20:49,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 10:20:49,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:20:50,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 10:20:50,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:20:50,079 INFO L290 TraceCheckUtils]: 0: Hoare triple {2704#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {2691#true} is VALID [2022-04-28 10:20:50,079 INFO L290 TraceCheckUtils]: 1: Hoare triple {2691#true} assume true; {2691#true} is VALID [2022-04-28 10:20:50,079 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {2691#true} {2691#true} #63#return; {2691#true} is VALID [2022-04-28 10:20:50,082 INFO L272 TraceCheckUtils]: 0: Hoare triple {2691#true} call ULTIMATE.init(); {2704#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 10:20:50,082 INFO L290 TraceCheckUtils]: 1: Hoare triple {2704#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {2691#true} is VALID [2022-04-28 10:20:50,082 INFO L290 TraceCheckUtils]: 2: Hoare triple {2691#true} assume true; {2691#true} is VALID [2022-04-28 10:20:50,082 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {2691#true} {2691#true} #63#return; {2691#true} is VALID [2022-04-28 10:20:50,082 INFO L272 TraceCheckUtils]: 4: Hoare triple {2691#true} call #t~ret7 := main(); {2691#true} is VALID [2022-04-28 10:20:50,082 INFO L290 TraceCheckUtils]: 5: Hoare triple {2691#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {2691#true} is VALID [2022-04-28 10:20:50,082 INFO L290 TraceCheckUtils]: 6: Hoare triple {2691#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {2691#true} is VALID [2022-04-28 10:20:50,083 INFO L290 TraceCheckUtils]: 7: Hoare triple {2691#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {2696#(= main_~z~0 0)} is VALID [2022-04-28 10:20:50,083 INFO L290 TraceCheckUtils]: 8: Hoare triple {2696#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {2697#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:20:50,084 INFO L290 TraceCheckUtils]: 9: Hoare triple {2697#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {2698#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:20:50,085 INFO L290 TraceCheckUtils]: 10: Hoare triple {2698#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {2699#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:20:50,085 INFO L290 TraceCheckUtils]: 11: Hoare triple {2699#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {2700#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:20:50,086 INFO L290 TraceCheckUtils]: 12: Hoare triple {2700#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {2701#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:20:50,086 INFO L290 TraceCheckUtils]: 13: Hoare triple {2701#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {2702#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:20:50,087 INFO L290 TraceCheckUtils]: 14: Hoare triple {2702#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {2703#(and (<= main_~z~0 7) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} is VALID [2022-04-28 10:20:50,087 INFO L290 TraceCheckUtils]: 15: Hoare triple {2703#(and (<= main_~z~0 7) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} assume !(~z~0 % 4294967296 < 268435455); {2692#false} is VALID [2022-04-28 10:20:50,087 INFO L272 TraceCheckUtils]: 16: Hoare triple {2692#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {2692#false} is VALID [2022-04-28 10:20:50,087 INFO L290 TraceCheckUtils]: 17: Hoare triple {2692#false} ~cond := #in~cond; {2692#false} is VALID [2022-04-28 10:20:50,087 INFO L290 TraceCheckUtils]: 18: Hoare triple {2692#false} assume 0 == ~cond; {2692#false} is VALID [2022-04-28 10:20:50,087 INFO L290 TraceCheckUtils]: 19: Hoare triple {2692#false} assume !false; {2692#false} is VALID [2022-04-28 10:20:50,087 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:20:50,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 10:20:50,088 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851954826] [2022-04-28 10:20:50,088 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851954826] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 10:20:50,088 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1805154582] [2022-04-28 10:20:50,088 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-28 10:20:50,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:20:50,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 10:20:50,089 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 10:20:50,089 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-04-28 10:20:50,123 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-28 10:20:50,123 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 10:20:50,124 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 17 conjunts are in the unsatisfiable core [2022-04-28 10:20:50,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:20:50,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 10:20:50,343 INFO L272 TraceCheckUtils]: 0: Hoare triple {2691#true} call ULTIMATE.init(); {2691#true} is VALID [2022-04-28 10:20:50,344 INFO L290 TraceCheckUtils]: 1: Hoare triple {2691#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {2691#true} is VALID [2022-04-28 10:20:50,344 INFO L290 TraceCheckUtils]: 2: Hoare triple {2691#true} assume true; {2691#true} is VALID [2022-04-28 10:20:50,344 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {2691#true} {2691#true} #63#return; {2691#true} is VALID [2022-04-28 10:20:50,344 INFO L272 TraceCheckUtils]: 4: Hoare triple {2691#true} call #t~ret7 := main(); {2691#true} is VALID [2022-04-28 10:20:50,344 INFO L290 TraceCheckUtils]: 5: Hoare triple {2691#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {2691#true} is VALID [2022-04-28 10:20:50,344 INFO L290 TraceCheckUtils]: 6: Hoare triple {2691#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {2691#true} is VALID [2022-04-28 10:20:50,344 INFO L290 TraceCheckUtils]: 7: Hoare triple {2691#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {2696#(= main_~z~0 0)} is VALID [2022-04-28 10:20:50,345 INFO L290 TraceCheckUtils]: 8: Hoare triple {2696#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {2697#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:20:50,345 INFO L290 TraceCheckUtils]: 9: Hoare triple {2697#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {2698#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:20:50,346 INFO L290 TraceCheckUtils]: 10: Hoare triple {2698#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {2699#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:20:50,346 INFO L290 TraceCheckUtils]: 11: Hoare triple {2699#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {2700#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:20:50,347 INFO L290 TraceCheckUtils]: 12: Hoare triple {2700#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {2701#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:20:50,347 INFO L290 TraceCheckUtils]: 13: Hoare triple {2701#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {2702#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:20:50,348 INFO L290 TraceCheckUtils]: 14: Hoare triple {2702#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {2750#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:20:50,348 INFO L290 TraceCheckUtils]: 15: Hoare triple {2750#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !(~z~0 % 4294967296 < 268435455); {2692#false} is VALID [2022-04-28 10:20:50,348 INFO L272 TraceCheckUtils]: 16: Hoare triple {2692#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {2692#false} is VALID [2022-04-28 10:20:50,349 INFO L290 TraceCheckUtils]: 17: Hoare triple {2692#false} ~cond := #in~cond; {2692#false} is VALID [2022-04-28 10:20:50,349 INFO L290 TraceCheckUtils]: 18: Hoare triple {2692#false} assume 0 == ~cond; {2692#false} is VALID [2022-04-28 10:20:50,349 INFO L290 TraceCheckUtils]: 19: Hoare triple {2692#false} assume !false; {2692#false} is VALID [2022-04-28 10:20:50,349 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:20:50,349 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 10:20:50,516 INFO L290 TraceCheckUtils]: 19: Hoare triple {2692#false} assume !false; {2692#false} is VALID [2022-04-28 10:20:50,517 INFO L290 TraceCheckUtils]: 18: Hoare triple {2692#false} assume 0 == ~cond; {2692#false} is VALID [2022-04-28 10:20:50,517 INFO L290 TraceCheckUtils]: 17: Hoare triple {2692#false} ~cond := #in~cond; {2692#false} is VALID [2022-04-28 10:20:50,517 INFO L272 TraceCheckUtils]: 16: Hoare triple {2692#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {2692#false} is VALID [2022-04-28 10:20:50,517 INFO L290 TraceCheckUtils]: 15: Hoare triple {2778#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {2692#false} is VALID [2022-04-28 10:20:50,518 INFO L290 TraceCheckUtils]: 14: Hoare triple {2782#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {2778#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 10:20:50,518 INFO L290 TraceCheckUtils]: 13: Hoare triple {2786#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {2782#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 10:20:50,524 INFO L290 TraceCheckUtils]: 12: Hoare triple {2790#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {2786#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 10:20:50,524 INFO L290 TraceCheckUtils]: 11: Hoare triple {2794#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {2790#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 10:20:50,525 INFO L290 TraceCheckUtils]: 10: Hoare triple {2798#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {2794#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 10:20:50,526 INFO L290 TraceCheckUtils]: 9: Hoare triple {2802#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {2798#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:20:50,526 INFO L290 TraceCheckUtils]: 8: Hoare triple {2806#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {2802#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} is VALID [2022-04-28 10:20:50,527 INFO L290 TraceCheckUtils]: 7: Hoare triple {2691#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {2806#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:20:50,527 INFO L290 TraceCheckUtils]: 6: Hoare triple {2691#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {2691#true} is VALID [2022-04-28 10:20:50,527 INFO L290 TraceCheckUtils]: 5: Hoare triple {2691#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {2691#true} is VALID [2022-04-28 10:20:50,527 INFO L272 TraceCheckUtils]: 4: Hoare triple {2691#true} call #t~ret7 := main(); {2691#true} is VALID [2022-04-28 10:20:50,527 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {2691#true} {2691#true} #63#return; {2691#true} is VALID [2022-04-28 10:20:50,527 INFO L290 TraceCheckUtils]: 2: Hoare triple {2691#true} assume true; {2691#true} is VALID [2022-04-28 10:20:50,527 INFO L290 TraceCheckUtils]: 1: Hoare triple {2691#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {2691#true} is VALID [2022-04-28 10:20:50,527 INFO L272 TraceCheckUtils]: 0: Hoare triple {2691#true} call ULTIMATE.init(); {2691#true} is VALID [2022-04-28 10:20:50,527 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:20:50,527 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1805154582] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 10:20:50,528 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 10:20:50,528 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 10] total 20 [2022-04-28 10:20:50,528 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 10:20:50,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [662503518] [2022-04-28 10:20:50,528 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [662503518] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 10:20:50,528 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 10:20:50,528 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-04-28 10:20:50,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325484601] [2022-04-28 10:20:50,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 10:20:50,529 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 10 states have internal predecessors, (16), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2022-04-28 10:20:50,529 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 10:20:50,529 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 11 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 10 states have internal predecessors, (16), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:20:50,541 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:20:50,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-04-28 10:20:50,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 10:20:50,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-04-28 10:20:50,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=263, Unknown=0, NotChecked=0, Total=380 [2022-04-28 10:20:50,542 INFO L87 Difference]: Start difference. First operand 29 states and 33 transitions. Second operand has 11 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 10 states have internal predecessors, (16), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:20:50,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:20:50,894 INFO L93 Difference]: Finished difference Result 53 states and 62 transitions. [2022-04-28 10:20:50,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-04-28 10:20:50,894 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 10 states have internal predecessors, (16), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2022-04-28 10:20:50,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 10:20:50,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 10 states have internal predecessors, (16), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:20:50,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 53 transitions. [2022-04-28 10:20:50,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 10 states have internal predecessors, (16), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:20:50,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 53 transitions. [2022-04-28 10:20:50,896 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 11 states and 53 transitions. [2022-04-28 10:20:50,933 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 53 edges. 53 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:20:50,934 INFO L225 Difference]: With dead ends: 53 [2022-04-28 10:20:50,934 INFO L226 Difference]: Without dead ends: 31 [2022-04-28 10:20:50,935 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 34 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=227, Invalid=529, Unknown=0, NotChecked=0, Total=756 [2022-04-28 10:20:50,935 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 18 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-28 10:20:50,936 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 48 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-28 10:20:50,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2022-04-28 10:20:50,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 30. [2022-04-28 10:20:50,950 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 10:20:50,951 INFO L82 GeneralOperation]: Start isEquivalent. First operand 31 states. Second operand has 30 states, 22 states have (on average 1.1818181818181819) internal successors, (26), 23 states have internal predecessors, (26), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:20:50,951 INFO L74 IsIncluded]: Start isIncluded. First operand 31 states. Second operand has 30 states, 22 states have (on average 1.1818181818181819) internal successors, (26), 23 states have internal predecessors, (26), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:20:50,951 INFO L87 Difference]: Start difference. First operand 31 states. Second operand has 30 states, 22 states have (on average 1.1818181818181819) internal successors, (26), 23 states have internal predecessors, (26), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:20:50,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:20:50,952 INFO L93 Difference]: Finished difference Result 31 states and 35 transitions. [2022-04-28 10:20:50,952 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2022-04-28 10:20:50,952 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:20:50,952 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:20:50,952 INFO L74 IsIncluded]: Start isIncluded. First operand has 30 states, 22 states have (on average 1.1818181818181819) internal successors, (26), 23 states have internal predecessors, (26), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 31 states. [2022-04-28 10:20:50,952 INFO L87 Difference]: Start difference. First operand has 30 states, 22 states have (on average 1.1818181818181819) internal successors, (26), 23 states have internal predecessors, (26), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 31 states. [2022-04-28 10:20:50,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:20:50,953 INFO L93 Difference]: Finished difference Result 31 states and 35 transitions. [2022-04-28 10:20:50,953 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2022-04-28 10:20:50,954 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:20:50,954 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:20:50,954 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 10:20:50,954 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 10:20:50,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 22 states have (on average 1.1818181818181819) internal successors, (26), 23 states have internal predecessors, (26), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:20:50,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 34 transitions. [2022-04-28 10:20:50,955 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 34 transitions. Word has length 20 [2022-04-28 10:20:50,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 10:20:50,955 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 34 transitions. [2022-04-28 10:20:50,955 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 10 states have internal predecessors, (16), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:20:50,955 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 30 states and 34 transitions. [2022-04-28 10:20:50,983 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 34 edges. 34 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:20:50,983 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2022-04-28 10:20:50,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-04-28 10:20:50,984 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 10:20:50,984 INFO L195 NwaCegarLoop]: trace histogram [8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 10:20:51,021 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-04-28 10:20:51,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:20:51,191 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 10:20:51,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 10:20:51,192 INFO L85 PathProgramCache]: Analyzing trace with hash -668519614, now seen corresponding path program 15 times [2022-04-28 10:20:51,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 10:20:51,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1169551538] [2022-04-28 10:20:51,198 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-28 10:20:51,198 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-28 10:20:51,198 INFO L85 PathProgramCache]: Analyzing trace with hash -668519614, now seen corresponding path program 16 times [2022-04-28 10:20:51,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 10:20:51,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399603545] [2022-04-28 10:20:51,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 10:20:51,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 10:20:51,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:20:51,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 10:20:51,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:20:51,333 INFO L290 TraceCheckUtils]: 0: Hoare triple {3092#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {3078#true} is VALID [2022-04-28 10:20:51,333 INFO L290 TraceCheckUtils]: 1: Hoare triple {3078#true} assume true; {3078#true} is VALID [2022-04-28 10:20:51,333 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {3078#true} {3078#true} #63#return; {3078#true} is VALID [2022-04-28 10:20:51,334 INFO L272 TraceCheckUtils]: 0: Hoare triple {3078#true} call ULTIMATE.init(); {3092#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 10:20:51,334 INFO L290 TraceCheckUtils]: 1: Hoare triple {3092#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {3078#true} is VALID [2022-04-28 10:20:51,334 INFO L290 TraceCheckUtils]: 2: Hoare triple {3078#true} assume true; {3078#true} is VALID [2022-04-28 10:20:51,334 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {3078#true} {3078#true} #63#return; {3078#true} is VALID [2022-04-28 10:20:51,334 INFO L272 TraceCheckUtils]: 4: Hoare triple {3078#true} call #t~ret7 := main(); {3078#true} is VALID [2022-04-28 10:20:51,334 INFO L290 TraceCheckUtils]: 5: Hoare triple {3078#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {3078#true} is VALID [2022-04-28 10:20:51,334 INFO L290 TraceCheckUtils]: 6: Hoare triple {3078#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {3078#true} is VALID [2022-04-28 10:20:51,334 INFO L290 TraceCheckUtils]: 7: Hoare triple {3078#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {3083#(= main_~z~0 0)} is VALID [2022-04-28 10:20:51,335 INFO L290 TraceCheckUtils]: 8: Hoare triple {3083#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3084#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:20:51,335 INFO L290 TraceCheckUtils]: 9: Hoare triple {3084#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3085#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:20:51,336 INFO L290 TraceCheckUtils]: 10: Hoare triple {3085#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3086#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:20:51,336 INFO L290 TraceCheckUtils]: 11: Hoare triple {3086#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3087#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:20:51,337 INFO L290 TraceCheckUtils]: 12: Hoare triple {3087#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3088#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:20:51,337 INFO L290 TraceCheckUtils]: 13: Hoare triple {3088#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3089#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:20:51,338 INFO L290 TraceCheckUtils]: 14: Hoare triple {3089#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3090#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:20:51,338 INFO L290 TraceCheckUtils]: 15: Hoare triple {3090#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3091#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 8))} is VALID [2022-04-28 10:20:51,339 INFO L290 TraceCheckUtils]: 16: Hoare triple {3091#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 8))} assume !(~z~0 % 4294967296 < 268435455); {3079#false} is VALID [2022-04-28 10:20:51,339 INFO L272 TraceCheckUtils]: 17: Hoare triple {3079#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {3079#false} is VALID [2022-04-28 10:20:51,339 INFO L290 TraceCheckUtils]: 18: Hoare triple {3079#false} ~cond := #in~cond; {3079#false} is VALID [2022-04-28 10:20:51,339 INFO L290 TraceCheckUtils]: 19: Hoare triple {3079#false} assume 0 == ~cond; {3079#false} is VALID [2022-04-28 10:20:51,339 INFO L290 TraceCheckUtils]: 20: Hoare triple {3079#false} assume !false; {3079#false} is VALID [2022-04-28 10:20:51,339 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:20:51,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 10:20:51,339 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399603545] [2022-04-28 10:20:51,340 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399603545] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 10:20:51,340 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [671795971] [2022-04-28 10:20:51,340 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-28 10:20:51,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:20:51,340 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 10:20:51,341 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 10:20:51,342 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-04-28 10:20:51,375 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-28 10:20:51,375 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 10:20:51,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 21 conjunts are in the unsatisfiable core [2022-04-28 10:20:51,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:20:51,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 10:20:51,623 INFO L272 TraceCheckUtils]: 0: Hoare triple {3078#true} call ULTIMATE.init(); {3078#true} is VALID [2022-04-28 10:20:51,623 INFO L290 TraceCheckUtils]: 1: Hoare triple {3078#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {3078#true} is VALID [2022-04-28 10:20:51,623 INFO L290 TraceCheckUtils]: 2: Hoare triple {3078#true} assume true; {3078#true} is VALID [2022-04-28 10:20:51,623 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {3078#true} {3078#true} #63#return; {3078#true} is VALID [2022-04-28 10:20:51,624 INFO L272 TraceCheckUtils]: 4: Hoare triple {3078#true} call #t~ret7 := main(); {3078#true} is VALID [2022-04-28 10:20:51,624 INFO L290 TraceCheckUtils]: 5: Hoare triple {3078#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {3078#true} is VALID [2022-04-28 10:20:51,624 INFO L290 TraceCheckUtils]: 6: Hoare triple {3078#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {3078#true} is VALID [2022-04-28 10:20:51,624 INFO L290 TraceCheckUtils]: 7: Hoare triple {3078#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {3083#(= main_~z~0 0)} is VALID [2022-04-28 10:20:51,624 INFO L290 TraceCheckUtils]: 8: Hoare triple {3083#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3084#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:20:51,625 INFO L290 TraceCheckUtils]: 9: Hoare triple {3084#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3085#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:20:51,626 INFO L290 TraceCheckUtils]: 10: Hoare triple {3085#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3086#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:20:51,626 INFO L290 TraceCheckUtils]: 11: Hoare triple {3086#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3087#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:20:51,627 INFO L290 TraceCheckUtils]: 12: Hoare triple {3087#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3088#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:20:51,627 INFO L290 TraceCheckUtils]: 13: Hoare triple {3088#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3089#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:20:51,628 INFO L290 TraceCheckUtils]: 14: Hoare triple {3089#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3090#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:20:51,628 INFO L290 TraceCheckUtils]: 15: Hoare triple {3090#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3141#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:20:51,629 INFO L290 TraceCheckUtils]: 16: Hoare triple {3141#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !(~z~0 % 4294967296 < 268435455); {3141#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:20:51,630 INFO L272 TraceCheckUtils]: 17: Hoare triple {3141#(and (<= 8 main_~z~0) (<= main_~z~0 8))} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {3148#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-28 10:20:51,630 INFO L290 TraceCheckUtils]: 18: Hoare triple {3148#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {3152#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-28 10:20:51,630 INFO L290 TraceCheckUtils]: 19: Hoare triple {3152#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {3079#false} is VALID [2022-04-28 10:20:51,630 INFO L290 TraceCheckUtils]: 20: Hoare triple {3079#false} assume !false; {3079#false} is VALID [2022-04-28 10:20:51,631 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:20:51,631 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 10:20:51,771 INFO L290 TraceCheckUtils]: 20: Hoare triple {3079#false} assume !false; {3079#false} is VALID [2022-04-28 10:20:51,771 INFO L290 TraceCheckUtils]: 19: Hoare triple {3152#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {3079#false} is VALID [2022-04-28 10:20:51,772 INFO L290 TraceCheckUtils]: 18: Hoare triple {3148#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {3152#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-28 10:20:51,772 INFO L272 TraceCheckUtils]: 17: Hoare triple {3168#(= (mod main_~z~0 4) 0)} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {3148#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-28 10:20:51,773 INFO L290 TraceCheckUtils]: 16: Hoare triple {3168#(= (mod main_~z~0 4) 0)} assume !(~z~0 % 4294967296 < 268435455); {3168#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 10:20:51,773 INFO L290 TraceCheckUtils]: 15: Hoare triple {3175#(= (mod (+ main_~z~0 1) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3168#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 10:20:51,774 INFO L290 TraceCheckUtils]: 14: Hoare triple {3179#(= (mod (+ main_~z~0 2) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3175#(= (mod (+ main_~z~0 1) 4) 0)} is VALID [2022-04-28 10:20:51,775 INFO L290 TraceCheckUtils]: 13: Hoare triple {3183#(= (mod (+ main_~z~0 3) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3179#(= (mod (+ main_~z~0 2) 4) 0)} is VALID [2022-04-28 10:20:51,775 INFO L290 TraceCheckUtils]: 12: Hoare triple {3168#(= (mod main_~z~0 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3183#(= (mod (+ main_~z~0 3) 4) 0)} is VALID [2022-04-28 10:20:51,776 INFO L290 TraceCheckUtils]: 11: Hoare triple {3175#(= (mod (+ main_~z~0 1) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3168#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 10:20:51,777 INFO L290 TraceCheckUtils]: 10: Hoare triple {3179#(= (mod (+ main_~z~0 2) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3175#(= (mod (+ main_~z~0 1) 4) 0)} is VALID [2022-04-28 10:20:51,777 INFO L290 TraceCheckUtils]: 9: Hoare triple {3183#(= (mod (+ main_~z~0 3) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3179#(= (mod (+ main_~z~0 2) 4) 0)} is VALID [2022-04-28 10:20:51,778 INFO L290 TraceCheckUtils]: 8: Hoare triple {3168#(= (mod main_~z~0 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3183#(= (mod (+ main_~z~0 3) 4) 0)} is VALID [2022-04-28 10:20:51,778 INFO L290 TraceCheckUtils]: 7: Hoare triple {3078#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {3168#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 10:20:51,778 INFO L290 TraceCheckUtils]: 6: Hoare triple {3078#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {3078#true} is VALID [2022-04-28 10:20:51,779 INFO L290 TraceCheckUtils]: 5: Hoare triple {3078#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {3078#true} is VALID [2022-04-28 10:20:51,779 INFO L272 TraceCheckUtils]: 4: Hoare triple {3078#true} call #t~ret7 := main(); {3078#true} is VALID [2022-04-28 10:20:51,779 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {3078#true} {3078#true} #63#return; {3078#true} is VALID [2022-04-28 10:20:51,779 INFO L290 TraceCheckUtils]: 2: Hoare triple {3078#true} assume true; {3078#true} is VALID [2022-04-28 10:20:51,779 INFO L290 TraceCheckUtils]: 1: Hoare triple {3078#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {3078#true} is VALID [2022-04-28 10:20:51,779 INFO L272 TraceCheckUtils]: 0: Hoare triple {3078#true} call ULTIMATE.init(); {3078#true} is VALID [2022-04-28 10:20:51,779 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-04-28 10:20:51,779 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [671795971] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 10:20:51,779 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 10:20:51,779 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13, 8] total 19 [2022-04-28 10:20:51,780 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 10:20:51,780 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1169551538] [2022-04-28 10:20:51,780 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1169551538] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 10:20:51,780 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 10:20:51,780 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-04-28 10:20:51,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978735511] [2022-04-28 10:20:51,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 10:20:51,780 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 11 states have internal predecessors, (17), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 21 [2022-04-28 10:20:51,780 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 10:20:51,780 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 12 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 11 states have internal predecessors, (17), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:20:51,793 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 21 edges. 21 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:20:51,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-04-28 10:20:51,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 10:20:51,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-04-28 10:20:51,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=289, Unknown=0, NotChecked=0, Total=342 [2022-04-28 10:20:51,794 INFO L87 Difference]: Start difference. First operand 30 states and 34 transitions. Second operand has 12 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 11 states have internal predecessors, (17), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:20:52,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:20:52,276 INFO L93 Difference]: Finished difference Result 55 states and 64 transitions. [2022-04-28 10:20:52,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-04-28 10:20:52,276 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 11 states have internal predecessors, (17), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 21 [2022-04-28 10:20:52,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 10:20:52,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 11 states have internal predecessors, (17), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:20:52,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 54 transitions. [2022-04-28 10:20:52,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 11 states have internal predecessors, (17), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:20:52,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 54 transitions. [2022-04-28 10:20:52,278 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 12 states and 54 transitions. [2022-04-28 10:20:52,315 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 54 edges. 54 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:20:52,315 INFO L225 Difference]: With dead ends: 55 [2022-04-28 10:20:52,315 INFO L226 Difference]: Without dead ends: 32 [2022-04-28 10:20:52,316 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 37 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=113, Invalid=643, Unknown=0, NotChecked=0, Total=756 [2022-04-28 10:20:52,316 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 17 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-28 10:20:52,316 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 63 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 212 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-28 10:20:52,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2022-04-28 10:20:52,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 31. [2022-04-28 10:20:52,330 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 10:20:52,330 INFO L82 GeneralOperation]: Start isEquivalent. First operand 32 states. Second operand has 31 states, 23 states have (on average 1.173913043478261) internal successors, (27), 24 states have internal predecessors, (27), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:20:52,330 INFO L74 IsIncluded]: Start isIncluded. First operand 32 states. Second operand has 31 states, 23 states have (on average 1.173913043478261) internal successors, (27), 24 states have internal predecessors, (27), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:20:52,330 INFO L87 Difference]: Start difference. First operand 32 states. Second operand has 31 states, 23 states have (on average 1.173913043478261) internal successors, (27), 24 states have internal predecessors, (27), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:20:52,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:20:52,331 INFO L93 Difference]: Finished difference Result 32 states and 36 transitions. [2022-04-28 10:20:52,331 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 36 transitions. [2022-04-28 10:20:52,331 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:20:52,331 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:20:52,332 INFO L74 IsIncluded]: Start isIncluded. First operand has 31 states, 23 states have (on average 1.173913043478261) internal successors, (27), 24 states have internal predecessors, (27), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 32 states. [2022-04-28 10:20:52,332 INFO L87 Difference]: Start difference. First operand has 31 states, 23 states have (on average 1.173913043478261) internal successors, (27), 24 states have internal predecessors, (27), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 32 states. [2022-04-28 10:20:52,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:20:52,333 INFO L93 Difference]: Finished difference Result 32 states and 36 transitions. [2022-04-28 10:20:52,333 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 36 transitions. [2022-04-28 10:20:52,333 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:20:52,333 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:20:52,333 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 10:20:52,333 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 10:20:52,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 23 states have (on average 1.173913043478261) internal successors, (27), 24 states have internal predecessors, (27), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:20:52,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 35 transitions. [2022-04-28 10:20:52,334 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 35 transitions. Word has length 21 [2022-04-28 10:20:52,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 10:20:52,334 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 35 transitions. [2022-04-28 10:20:52,334 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 11 states have internal predecessors, (17), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:20:52,334 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 31 states and 35 transitions. [2022-04-28 10:20:52,363 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 35 edges. 35 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:20:52,364 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2022-04-28 10:20:52,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-04-28 10:20:52,364 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 10:20:52,364 INFO L195 NwaCegarLoop]: trace histogram [9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 10:20:52,382 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-04-28 10:20:52,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-04-28 10:20:52,580 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 10:20:52,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 10:20:52,580 INFO L85 PathProgramCache]: Analyzing trace with hash 777031010, now seen corresponding path program 17 times [2022-04-28 10:20:52,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 10:20:52,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [2099295537] [2022-04-28 10:20:52,582 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-28 10:20:52,583 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-28 10:20:52,583 INFO L85 PathProgramCache]: Analyzing trace with hash 777031010, now seen corresponding path program 18 times [2022-04-28 10:20:52,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 10:20:52,583 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491313916] [2022-04-28 10:20:52,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 10:20:52,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 10:20:52,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:20:52,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 10:20:52,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:20:52,741 INFO L290 TraceCheckUtils]: 0: Hoare triple {3495#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {3480#true} is VALID [2022-04-28 10:20:52,741 INFO L290 TraceCheckUtils]: 1: Hoare triple {3480#true} assume true; {3480#true} is VALID [2022-04-28 10:20:52,741 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {3480#true} {3480#true} #63#return; {3480#true} is VALID [2022-04-28 10:20:52,741 INFO L272 TraceCheckUtils]: 0: Hoare triple {3480#true} call ULTIMATE.init(); {3495#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 10:20:52,741 INFO L290 TraceCheckUtils]: 1: Hoare triple {3495#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {3480#true} is VALID [2022-04-28 10:20:52,741 INFO L290 TraceCheckUtils]: 2: Hoare triple {3480#true} assume true; {3480#true} is VALID [2022-04-28 10:20:52,742 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {3480#true} {3480#true} #63#return; {3480#true} is VALID [2022-04-28 10:20:52,742 INFO L272 TraceCheckUtils]: 4: Hoare triple {3480#true} call #t~ret7 := main(); {3480#true} is VALID [2022-04-28 10:20:52,742 INFO L290 TraceCheckUtils]: 5: Hoare triple {3480#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {3480#true} is VALID [2022-04-28 10:20:52,742 INFO L290 TraceCheckUtils]: 6: Hoare triple {3480#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {3480#true} is VALID [2022-04-28 10:20:52,742 INFO L290 TraceCheckUtils]: 7: Hoare triple {3480#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {3485#(= main_~z~0 0)} is VALID [2022-04-28 10:20:52,743 INFO L290 TraceCheckUtils]: 8: Hoare triple {3485#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3486#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:20:52,743 INFO L290 TraceCheckUtils]: 9: Hoare triple {3486#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3487#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:20:52,744 INFO L290 TraceCheckUtils]: 10: Hoare triple {3487#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3488#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:20:52,744 INFO L290 TraceCheckUtils]: 11: Hoare triple {3488#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3489#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:20:52,745 INFO L290 TraceCheckUtils]: 12: Hoare triple {3489#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3490#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:20:52,745 INFO L290 TraceCheckUtils]: 13: Hoare triple {3490#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3491#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:20:52,747 INFO L290 TraceCheckUtils]: 14: Hoare triple {3491#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3492#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:20:52,748 INFO L290 TraceCheckUtils]: 15: Hoare triple {3492#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3493#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:20:52,748 INFO L290 TraceCheckUtils]: 16: Hoare triple {3493#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3494#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 9))} is VALID [2022-04-28 10:20:52,749 INFO L290 TraceCheckUtils]: 17: Hoare triple {3494#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 9))} assume !(~z~0 % 4294967296 < 268435455); {3481#false} is VALID [2022-04-28 10:20:52,749 INFO L272 TraceCheckUtils]: 18: Hoare triple {3481#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {3481#false} is VALID [2022-04-28 10:20:52,749 INFO L290 TraceCheckUtils]: 19: Hoare triple {3481#false} ~cond := #in~cond; {3481#false} is VALID [2022-04-28 10:20:52,749 INFO L290 TraceCheckUtils]: 20: Hoare triple {3481#false} assume 0 == ~cond; {3481#false} is VALID [2022-04-28 10:20:52,749 INFO L290 TraceCheckUtils]: 21: Hoare triple {3481#false} assume !false; {3481#false} is VALID [2022-04-28 10:20:52,749 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:20:52,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 10:20:52,749 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491313916] [2022-04-28 10:20:52,749 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [491313916] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 10:20:52,749 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1430245656] [2022-04-28 10:20:52,750 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-04-28 10:20:52,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:20:52,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 10:20:52,751 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 10:20:52,751 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-04-28 10:20:52,790 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2022-04-28 10:20:52,790 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 10:20:52,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 24 conjunts are in the unsatisfiable core [2022-04-28 10:20:52,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:20:52,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 10:20:52,919 INFO L272 TraceCheckUtils]: 0: Hoare triple {3480#true} call ULTIMATE.init(); {3480#true} is VALID [2022-04-28 10:20:52,919 INFO L290 TraceCheckUtils]: 1: Hoare triple {3480#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {3480#true} is VALID [2022-04-28 10:20:52,919 INFO L290 TraceCheckUtils]: 2: Hoare triple {3480#true} assume true; {3480#true} is VALID [2022-04-28 10:20:52,919 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {3480#true} {3480#true} #63#return; {3480#true} is VALID [2022-04-28 10:20:52,919 INFO L272 TraceCheckUtils]: 4: Hoare triple {3480#true} call #t~ret7 := main(); {3480#true} is VALID [2022-04-28 10:20:52,919 INFO L290 TraceCheckUtils]: 5: Hoare triple {3480#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {3480#true} is VALID [2022-04-28 10:20:52,919 INFO L290 TraceCheckUtils]: 6: Hoare triple {3480#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {3480#true} is VALID [2022-04-28 10:20:52,920 INFO L290 TraceCheckUtils]: 7: Hoare triple {3480#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {3485#(= main_~z~0 0)} is VALID [2022-04-28 10:20:52,920 INFO L290 TraceCheckUtils]: 8: Hoare triple {3485#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3486#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:20:52,920 INFO L290 TraceCheckUtils]: 9: Hoare triple {3486#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3487#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:20:52,921 INFO L290 TraceCheckUtils]: 10: Hoare triple {3487#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3488#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:20:52,921 INFO L290 TraceCheckUtils]: 11: Hoare triple {3488#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3489#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:20:52,922 INFO L290 TraceCheckUtils]: 12: Hoare triple {3489#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3490#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:20:52,922 INFO L290 TraceCheckUtils]: 13: Hoare triple {3490#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3491#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:20:52,923 INFO L290 TraceCheckUtils]: 14: Hoare triple {3491#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3492#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:20:52,923 INFO L290 TraceCheckUtils]: 15: Hoare triple {3492#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3493#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:20:52,924 INFO L290 TraceCheckUtils]: 16: Hoare triple {3493#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3547#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:20:52,924 INFO L290 TraceCheckUtils]: 17: Hoare triple {3547#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !(~z~0 % 4294967296 < 268435455); {3481#false} is VALID [2022-04-28 10:20:52,924 INFO L272 TraceCheckUtils]: 18: Hoare triple {3481#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {3481#false} is VALID [2022-04-28 10:20:52,925 INFO L290 TraceCheckUtils]: 19: Hoare triple {3481#false} ~cond := #in~cond; {3481#false} is VALID [2022-04-28 10:20:52,925 INFO L290 TraceCheckUtils]: 20: Hoare triple {3481#false} assume 0 == ~cond; {3481#false} is VALID [2022-04-28 10:20:52,925 INFO L290 TraceCheckUtils]: 21: Hoare triple {3481#false} assume !false; {3481#false} is VALID [2022-04-28 10:20:52,925 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:20:52,925 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 10:20:53,408 INFO L290 TraceCheckUtils]: 21: Hoare triple {3481#false} assume !false; {3481#false} is VALID [2022-04-28 10:20:53,409 INFO L290 TraceCheckUtils]: 20: Hoare triple {3566#(not (<= __VERIFIER_assert_~cond 0))} assume 0 == ~cond; {3481#false} is VALID [2022-04-28 10:20:53,409 INFO L290 TraceCheckUtils]: 19: Hoare triple {3570#(< 0 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {3566#(not (<= __VERIFIER_assert_~cond 0))} is VALID [2022-04-28 10:20:53,410 INFO L272 TraceCheckUtils]: 18: Hoare triple {3574#(= (mod main_~z~0 4) 0)} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {3570#(< 0 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-28 10:20:53,410 INFO L290 TraceCheckUtils]: 17: Hoare triple {3578#(or (< (mod main_~z~0 4294967296) 268435455) (= (mod main_~z~0 4) 0))} assume !(~z~0 % 4294967296 < 268435455); {3574#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 10:20:53,411 INFO L290 TraceCheckUtils]: 16: Hoare triple {3582#(or (< (mod (+ main_~z~0 1) 4294967296) 268435455) (= (mod (+ main_~z~0 1) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3578#(or (< (mod main_~z~0 4294967296) 268435455) (= (mod main_~z~0 4) 0))} is VALID [2022-04-28 10:20:53,411 INFO L290 TraceCheckUtils]: 15: Hoare triple {3586#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 2) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3582#(or (< (mod (+ main_~z~0 1) 4294967296) 268435455) (= (mod (+ main_~z~0 1) 4) 0))} is VALID [2022-04-28 10:20:53,412 INFO L290 TraceCheckUtils]: 14: Hoare triple {3590#(or (< (mod (+ main_~z~0 3) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3586#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 2) 4294967296) 268435455))} is VALID [2022-04-28 10:20:53,414 INFO L290 TraceCheckUtils]: 13: Hoare triple {3594#(or (= (mod main_~z~0 4) 0) (< (mod (+ main_~z~0 4) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3590#(or (< (mod (+ main_~z~0 3) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} is VALID [2022-04-28 10:20:53,415 INFO L290 TraceCheckUtils]: 12: Hoare triple {3598#(or (< (mod (+ 5 main_~z~0) 4294967296) 268435455) (= (mod (+ main_~z~0 1) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3594#(or (= (mod main_~z~0 4) 0) (< (mod (+ main_~z~0 4) 4294967296) 268435455))} is VALID [2022-04-28 10:20:53,416 INFO L290 TraceCheckUtils]: 11: Hoare triple {3602#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 6) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3598#(or (< (mod (+ 5 main_~z~0) 4294967296) 268435455) (= (mod (+ main_~z~0 1) 4) 0))} is VALID [2022-04-28 10:20:53,416 INFO L290 TraceCheckUtils]: 10: Hoare triple {3606#(or (< (mod (+ 7 main_~z~0) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3602#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 6) 4294967296) 268435455))} is VALID [2022-04-28 10:20:53,420 INFO L290 TraceCheckUtils]: 9: Hoare triple {3610#(or (< (mod (+ main_~z~0 8) 4294967296) 268435455) (= (mod main_~z~0 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3606#(or (< (mod (+ 7 main_~z~0) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} is VALID [2022-04-28 10:20:53,421 INFO L290 TraceCheckUtils]: 8: Hoare triple {3614#(or (= (mod (+ main_~z~0 1) 4) 0) (< (mod (+ main_~z~0 9) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3610#(or (< (mod (+ main_~z~0 8) 4294967296) 268435455) (= (mod main_~z~0 4) 0))} is VALID [2022-04-28 10:20:53,421 INFO L290 TraceCheckUtils]: 7: Hoare triple {3480#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {3614#(or (= (mod (+ main_~z~0 1) 4) 0) (< (mod (+ main_~z~0 9) 4294967296) 268435455))} is VALID [2022-04-28 10:20:53,421 INFO L290 TraceCheckUtils]: 6: Hoare triple {3480#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {3480#true} is VALID [2022-04-28 10:20:53,421 INFO L290 TraceCheckUtils]: 5: Hoare triple {3480#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {3480#true} is VALID [2022-04-28 10:20:53,422 INFO L272 TraceCheckUtils]: 4: Hoare triple {3480#true} call #t~ret7 := main(); {3480#true} is VALID [2022-04-28 10:20:53,422 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {3480#true} {3480#true} #63#return; {3480#true} is VALID [2022-04-28 10:20:53,422 INFO L290 TraceCheckUtils]: 2: Hoare triple {3480#true} assume true; {3480#true} is VALID [2022-04-28 10:20:53,422 INFO L290 TraceCheckUtils]: 1: Hoare triple {3480#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {3480#true} is VALID [2022-04-28 10:20:53,422 INFO L272 TraceCheckUtils]: 0: Hoare triple {3480#true} call ULTIMATE.init(); {3480#true} is VALID [2022-04-28 10:20:53,422 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:20:53,422 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1430245656] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 10:20:53,422 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 10:20:53,422 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 15] total 27 [2022-04-28 10:20:53,422 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 10:20:53,423 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [2099295537] [2022-04-28 10:20:53,423 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [2099295537] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 10:20:53,423 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 10:20:53,423 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-04-28 10:20:53,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947679507] [2022-04-28 10:20:53,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 10:20:53,423 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 12 states have internal predecessors, (18), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 22 [2022-04-28 10:20:53,423 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 10:20:53,423 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 12 states have internal predecessors, (18), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:20:53,437 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 22 edges. 22 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:20:53,437 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-04-28 10:20:53,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 10:20:53,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-04-28 10:20:53,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=177, Invalid=525, Unknown=0, NotChecked=0, Total=702 [2022-04-28 10:20:53,438 INFO L87 Difference]: Start difference. First operand 31 states and 35 transitions. Second operand has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 12 states have internal predecessors, (18), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:20:53,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:20:53,934 INFO L93 Difference]: Finished difference Result 57 states and 66 transitions. [2022-04-28 10:20:53,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-04-28 10:20:53,935 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 12 states have internal predecessors, (18), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 22 [2022-04-28 10:20:53,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 10:20:53,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 12 states have internal predecessors, (18), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:20:53,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 55 transitions. [2022-04-28 10:20:53,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 12 states have internal predecessors, (18), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:20:53,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 55 transitions. [2022-04-28 10:20:53,937 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 13 states and 55 transitions. [2022-04-28 10:20:53,979 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 55 edges. 55 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:20:53,980 INFO L225 Difference]: With dead ends: 57 [2022-04-28 10:20:53,980 INFO L226 Difference]: Without dead ends: 33 [2022-04-28 10:20:53,982 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 33 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=338, Invalid=994, Unknown=0, NotChecked=0, Total=1332 [2022-04-28 10:20:53,983 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 18 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-28 10:20:53,983 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 63 Invalid, 257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-28 10:20:53,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2022-04-28 10:20:53,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 32. [2022-04-28 10:20:53,997 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 10:20:53,997 INFO L82 GeneralOperation]: Start isEquivalent. First operand 33 states. Second operand has 32 states, 24 states have (on average 1.1666666666666667) internal successors, (28), 25 states have internal predecessors, (28), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:20:53,998 INFO L74 IsIncluded]: Start isIncluded. First operand 33 states. Second operand has 32 states, 24 states have (on average 1.1666666666666667) internal successors, (28), 25 states have internal predecessors, (28), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:20:53,998 INFO L87 Difference]: Start difference. First operand 33 states. Second operand has 32 states, 24 states have (on average 1.1666666666666667) internal successors, (28), 25 states have internal predecessors, (28), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:20:53,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:20:53,998 INFO L93 Difference]: Finished difference Result 33 states and 37 transitions. [2022-04-28 10:20:53,998 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 37 transitions. [2022-04-28 10:20:53,999 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:20:53,999 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:20:53,999 INFO L74 IsIncluded]: Start isIncluded. First operand has 32 states, 24 states have (on average 1.1666666666666667) internal successors, (28), 25 states have internal predecessors, (28), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 33 states. [2022-04-28 10:20:53,999 INFO L87 Difference]: Start difference. First operand has 32 states, 24 states have (on average 1.1666666666666667) internal successors, (28), 25 states have internal predecessors, (28), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 33 states. [2022-04-28 10:20:53,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:20:53,999 INFO L93 Difference]: Finished difference Result 33 states and 37 transitions. [2022-04-28 10:20:53,999 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 37 transitions. [2022-04-28 10:20:54,000 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:20:54,000 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:20:54,000 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 10:20:54,000 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 10:20:54,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 24 states have (on average 1.1666666666666667) internal successors, (28), 25 states have internal predecessors, (28), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:20:54,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 36 transitions. [2022-04-28 10:20:54,000 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 36 transitions. Word has length 22 [2022-04-28 10:20:54,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 10:20:54,001 INFO L495 AbstractCegarLoop]: Abstraction has 32 states and 36 transitions. [2022-04-28 10:20:54,001 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 12 states have internal predecessors, (18), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:20:54,001 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 32 states and 36 transitions. [2022-04-28 10:20:54,031 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 36 edges. 36 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:20:54,031 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 36 transitions. [2022-04-28 10:20:54,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-04-28 10:20:54,031 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 10:20:54,031 INFO L195 NwaCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 10:20:54,055 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-04-28 10:20:54,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-04-28 10:20:54,232 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 10:20:54,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 10:20:54,232 INFO L85 PathProgramCache]: Analyzing trace with hash -1655539902, now seen corresponding path program 19 times [2022-04-28 10:20:54,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 10:20:54,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [794225020] [2022-04-28 10:20:54,236 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-28 10:20:54,236 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-28 10:20:54,236 INFO L85 PathProgramCache]: Analyzing trace with hash -1655539902, now seen corresponding path program 20 times [2022-04-28 10:20:54,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 10:20:54,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086056390] [2022-04-28 10:20:54,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 10:20:54,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 10:20:54,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:20:54,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 10:20:54,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:20:54,405 INFO L290 TraceCheckUtils]: 0: Hoare triple {3922#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {3906#true} is VALID [2022-04-28 10:20:54,405 INFO L290 TraceCheckUtils]: 1: Hoare triple {3906#true} assume true; {3906#true} is VALID [2022-04-28 10:20:54,405 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {3906#true} {3906#true} #63#return; {3906#true} is VALID [2022-04-28 10:20:54,405 INFO L272 TraceCheckUtils]: 0: Hoare triple {3906#true} call ULTIMATE.init(); {3922#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 10:20:54,405 INFO L290 TraceCheckUtils]: 1: Hoare triple {3922#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {3906#true} is VALID [2022-04-28 10:20:54,406 INFO L290 TraceCheckUtils]: 2: Hoare triple {3906#true} assume true; {3906#true} is VALID [2022-04-28 10:20:54,406 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {3906#true} {3906#true} #63#return; {3906#true} is VALID [2022-04-28 10:20:54,406 INFO L272 TraceCheckUtils]: 4: Hoare triple {3906#true} call #t~ret7 := main(); {3906#true} is VALID [2022-04-28 10:20:54,406 INFO L290 TraceCheckUtils]: 5: Hoare triple {3906#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {3906#true} is VALID [2022-04-28 10:20:54,406 INFO L290 TraceCheckUtils]: 6: Hoare triple {3906#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {3906#true} is VALID [2022-04-28 10:20:54,406 INFO L290 TraceCheckUtils]: 7: Hoare triple {3906#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {3911#(= main_~z~0 0)} is VALID [2022-04-28 10:20:54,407 INFO L290 TraceCheckUtils]: 8: Hoare triple {3911#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3912#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:20:54,407 INFO L290 TraceCheckUtils]: 9: Hoare triple {3912#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3913#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:20:54,408 INFO L290 TraceCheckUtils]: 10: Hoare triple {3913#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3914#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:20:54,408 INFO L290 TraceCheckUtils]: 11: Hoare triple {3914#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3915#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:20:54,409 INFO L290 TraceCheckUtils]: 12: Hoare triple {3915#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3916#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:20:54,409 INFO L290 TraceCheckUtils]: 13: Hoare triple {3916#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3917#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:20:54,410 INFO L290 TraceCheckUtils]: 14: Hoare triple {3917#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3918#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:20:54,410 INFO L290 TraceCheckUtils]: 15: Hoare triple {3918#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3919#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:20:54,411 INFO L290 TraceCheckUtils]: 16: Hoare triple {3919#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3920#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:20:54,411 INFO L290 TraceCheckUtils]: 17: Hoare triple {3920#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3921#(and (<= main_~z~0 10) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} is VALID [2022-04-28 10:20:54,412 INFO L290 TraceCheckUtils]: 18: Hoare triple {3921#(and (<= main_~z~0 10) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} assume !(~z~0 % 4294967296 < 268435455); {3907#false} is VALID [2022-04-28 10:20:54,412 INFO L272 TraceCheckUtils]: 19: Hoare triple {3907#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {3907#false} is VALID [2022-04-28 10:20:54,412 INFO L290 TraceCheckUtils]: 20: Hoare triple {3907#false} ~cond := #in~cond; {3907#false} is VALID [2022-04-28 10:20:54,412 INFO L290 TraceCheckUtils]: 21: Hoare triple {3907#false} assume 0 == ~cond; {3907#false} is VALID [2022-04-28 10:20:54,412 INFO L290 TraceCheckUtils]: 22: Hoare triple {3907#false} assume !false; {3907#false} is VALID [2022-04-28 10:20:54,412 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:20:54,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 10:20:54,412 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086056390] [2022-04-28 10:20:54,412 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086056390] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 10:20:54,412 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [517867750] [2022-04-28 10:20:54,413 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-28 10:20:54,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:20:54,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 10:20:54,415 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 10:20:54,416 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-04-28 10:20:54,449 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-28 10:20:54,449 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 10:20:54,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 23 conjunts are in the unsatisfiable core [2022-04-28 10:20:54,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:20:54,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 10:20:54,647 INFO L272 TraceCheckUtils]: 0: Hoare triple {3906#true} call ULTIMATE.init(); {3906#true} is VALID [2022-04-28 10:20:54,647 INFO L290 TraceCheckUtils]: 1: Hoare triple {3906#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {3906#true} is VALID [2022-04-28 10:20:54,647 INFO L290 TraceCheckUtils]: 2: Hoare triple {3906#true} assume true; {3906#true} is VALID [2022-04-28 10:20:54,647 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {3906#true} {3906#true} #63#return; {3906#true} is VALID [2022-04-28 10:20:54,648 INFO L272 TraceCheckUtils]: 4: Hoare triple {3906#true} call #t~ret7 := main(); {3906#true} is VALID [2022-04-28 10:20:54,648 INFO L290 TraceCheckUtils]: 5: Hoare triple {3906#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {3906#true} is VALID [2022-04-28 10:20:54,648 INFO L290 TraceCheckUtils]: 6: Hoare triple {3906#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {3906#true} is VALID [2022-04-28 10:20:54,649 INFO L290 TraceCheckUtils]: 7: Hoare triple {3906#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {3911#(= main_~z~0 0)} is VALID [2022-04-28 10:20:54,649 INFO L290 TraceCheckUtils]: 8: Hoare triple {3911#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3912#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:20:54,650 INFO L290 TraceCheckUtils]: 9: Hoare triple {3912#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3913#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:20:54,650 INFO L290 TraceCheckUtils]: 10: Hoare triple {3913#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3914#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:20:54,650 INFO L290 TraceCheckUtils]: 11: Hoare triple {3914#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3915#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:20:54,651 INFO L290 TraceCheckUtils]: 12: Hoare triple {3915#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3916#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:20:54,651 INFO L290 TraceCheckUtils]: 13: Hoare triple {3916#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3917#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:20:54,652 INFO L290 TraceCheckUtils]: 14: Hoare triple {3917#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3918#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:20:54,652 INFO L290 TraceCheckUtils]: 15: Hoare triple {3918#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3919#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:20:54,653 INFO L290 TraceCheckUtils]: 16: Hoare triple {3919#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3920#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:20:54,653 INFO L290 TraceCheckUtils]: 17: Hoare triple {3920#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {3977#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:20:54,654 INFO L290 TraceCheckUtils]: 18: Hoare triple {3977#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !(~z~0 % 4294967296 < 268435455); {3907#false} is VALID [2022-04-28 10:20:54,654 INFO L272 TraceCheckUtils]: 19: Hoare triple {3907#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {3907#false} is VALID [2022-04-28 10:20:54,654 INFO L290 TraceCheckUtils]: 20: Hoare triple {3907#false} ~cond := #in~cond; {3907#false} is VALID [2022-04-28 10:20:54,654 INFO L290 TraceCheckUtils]: 21: Hoare triple {3907#false} assume 0 == ~cond; {3907#false} is VALID [2022-04-28 10:20:54,654 INFO L290 TraceCheckUtils]: 22: Hoare triple {3907#false} assume !false; {3907#false} is VALID [2022-04-28 10:20:54,654 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:20:54,654 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 10:20:54,933 INFO L290 TraceCheckUtils]: 22: Hoare triple {3907#false} assume !false; {3907#false} is VALID [2022-04-28 10:20:54,934 INFO L290 TraceCheckUtils]: 21: Hoare triple {3907#false} assume 0 == ~cond; {3907#false} is VALID [2022-04-28 10:20:54,934 INFO L290 TraceCheckUtils]: 20: Hoare triple {3907#false} ~cond := #in~cond; {3907#false} is VALID [2022-04-28 10:20:54,934 INFO L272 TraceCheckUtils]: 19: Hoare triple {3907#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {3907#false} is VALID [2022-04-28 10:20:54,934 INFO L290 TraceCheckUtils]: 18: Hoare triple {4005#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {3907#false} is VALID [2022-04-28 10:20:54,935 INFO L290 TraceCheckUtils]: 17: Hoare triple {4009#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4005#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 10:20:54,936 INFO L290 TraceCheckUtils]: 16: Hoare triple {4013#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4009#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 10:20:54,936 INFO L290 TraceCheckUtils]: 15: Hoare triple {4017#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4013#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 10:20:54,937 INFO L290 TraceCheckUtils]: 14: Hoare triple {4021#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4017#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 10:20:54,938 INFO L290 TraceCheckUtils]: 13: Hoare triple {4025#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4021#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 10:20:54,938 INFO L290 TraceCheckUtils]: 12: Hoare triple {4029#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4025#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:20:54,939 INFO L290 TraceCheckUtils]: 11: Hoare triple {4033#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4029#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} is VALID [2022-04-28 10:20:54,940 INFO L290 TraceCheckUtils]: 10: Hoare triple {4037#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4033#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:20:54,940 INFO L290 TraceCheckUtils]: 9: Hoare triple {4041#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4037#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} is VALID [2022-04-28 10:20:54,941 INFO L290 TraceCheckUtils]: 8: Hoare triple {4045#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4041#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} is VALID [2022-04-28 10:20:54,941 INFO L290 TraceCheckUtils]: 7: Hoare triple {3906#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {4045#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} is VALID [2022-04-28 10:20:54,941 INFO L290 TraceCheckUtils]: 6: Hoare triple {3906#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {3906#true} is VALID [2022-04-28 10:20:54,941 INFO L290 TraceCheckUtils]: 5: Hoare triple {3906#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {3906#true} is VALID [2022-04-28 10:20:54,942 INFO L272 TraceCheckUtils]: 4: Hoare triple {3906#true} call #t~ret7 := main(); {3906#true} is VALID [2022-04-28 10:20:54,942 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {3906#true} {3906#true} #63#return; {3906#true} is VALID [2022-04-28 10:20:54,942 INFO L290 TraceCheckUtils]: 2: Hoare triple {3906#true} assume true; {3906#true} is VALID [2022-04-28 10:20:54,942 INFO L290 TraceCheckUtils]: 1: Hoare triple {3906#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {3906#true} is VALID [2022-04-28 10:20:54,942 INFO L272 TraceCheckUtils]: 0: Hoare triple {3906#true} call ULTIMATE.init(); {3906#true} is VALID [2022-04-28 10:20:54,942 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:20:54,942 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [517867750] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 10:20:54,942 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 10:20:54,942 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13, 13] total 26 [2022-04-28 10:20:54,942 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 10:20:54,943 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [794225020] [2022-04-28 10:20:54,943 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [794225020] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 10:20:54,943 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 10:20:54,943 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-04-28 10:20:54,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89787877] [2022-04-28 10:20:54,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 10:20:54,943 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 13 states have internal predecessors, (19), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2022-04-28 10:20:54,943 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 10:20:54,943 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 14 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 13 states have internal predecessors, (19), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:20:54,958 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 23 edges. 23 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:20:54,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-04-28 10:20:54,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 10:20:54,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-04-28 10:20:54,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=192, Invalid=458, Unknown=0, NotChecked=0, Total=650 [2022-04-28 10:20:54,959 INFO L87 Difference]: Start difference. First operand 32 states and 36 transitions. Second operand has 14 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 13 states have internal predecessors, (19), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:20:55,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:20:55,463 INFO L93 Difference]: Finished difference Result 59 states and 68 transitions. [2022-04-28 10:20:55,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-04-28 10:20:55,464 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 13 states have internal predecessors, (19), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2022-04-28 10:20:55,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 10:20:55,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 13 states have internal predecessors, (19), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:20:55,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 56 transitions. [2022-04-28 10:20:55,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 13 states have internal predecessors, (19), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:20:55,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 56 transitions. [2022-04-28 10:20:55,467 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 14 states and 56 transitions. [2022-04-28 10:20:55,503 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 56 edges. 56 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:20:55,503 INFO L225 Difference]: With dead ends: 59 [2022-04-28 10:20:55,504 INFO L226 Difference]: Without dead ends: 34 [2022-04-28 10:20:55,504 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 37 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=377, Invalid=955, Unknown=0, NotChecked=0, Total=1332 [2022-04-28 10:20:55,504 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 17 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-28 10:20:55,505 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 48 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-28 10:20:55,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2022-04-28 10:20:55,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 33. [2022-04-28 10:20:55,526 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 10:20:55,526 INFO L82 GeneralOperation]: Start isEquivalent. First operand 34 states. Second operand has 33 states, 25 states have (on average 1.16) internal successors, (29), 26 states have internal predecessors, (29), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:20:55,526 INFO L74 IsIncluded]: Start isIncluded. First operand 34 states. Second operand has 33 states, 25 states have (on average 1.16) internal successors, (29), 26 states have internal predecessors, (29), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:20:55,527 INFO L87 Difference]: Start difference. First operand 34 states. Second operand has 33 states, 25 states have (on average 1.16) internal successors, (29), 26 states have internal predecessors, (29), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:20:55,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:20:55,528 INFO L93 Difference]: Finished difference Result 34 states and 38 transitions. [2022-04-28 10:20:55,528 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 38 transitions. [2022-04-28 10:20:55,528 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:20:55,528 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:20:55,528 INFO L74 IsIncluded]: Start isIncluded. First operand has 33 states, 25 states have (on average 1.16) internal successors, (29), 26 states have internal predecessors, (29), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 34 states. [2022-04-28 10:20:55,528 INFO L87 Difference]: Start difference. First operand has 33 states, 25 states have (on average 1.16) internal successors, (29), 26 states have internal predecessors, (29), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 34 states. [2022-04-28 10:20:55,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:20:55,529 INFO L93 Difference]: Finished difference Result 34 states and 38 transitions. [2022-04-28 10:20:55,529 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 38 transitions. [2022-04-28 10:20:55,530 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:20:55,530 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:20:55,530 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 10:20:55,530 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 10:20:55,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 25 states have (on average 1.16) internal successors, (29), 26 states have internal predecessors, (29), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:20:55,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 37 transitions. [2022-04-28 10:20:55,531 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 37 transitions. Word has length 23 [2022-04-28 10:20:55,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 10:20:55,531 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 37 transitions. [2022-04-28 10:20:55,531 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 13 states have internal predecessors, (19), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:20:55,532 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 33 states and 37 transitions. [2022-04-28 10:20:55,566 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 37 edges. 37 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:20:55,566 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 37 transitions. [2022-04-28 10:20:55,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-04-28 10:20:55,566 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 10:20:55,566 INFO L195 NwaCegarLoop]: trace histogram [11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 10:20:55,584 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-04-28 10:20:55,779 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-04-28 10:20:55,779 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 10:20:55,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 10:20:55,780 INFO L85 PathProgramCache]: Analyzing trace with hash 244173154, now seen corresponding path program 21 times [2022-04-28 10:20:55,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 10:20:55,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [629296580] [2022-04-28 10:20:55,784 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-28 10:20:55,784 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-28 10:20:55,784 INFO L85 PathProgramCache]: Analyzing trace with hash 244173154, now seen corresponding path program 22 times [2022-04-28 10:20:55,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 10:20:55,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132074184] [2022-04-28 10:20:55,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 10:20:55,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 10:20:55,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:20:55,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 10:20:55,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:20:55,979 INFO L290 TraceCheckUtils]: 0: Hoare triple {4364#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {4347#true} is VALID [2022-04-28 10:20:55,979 INFO L290 TraceCheckUtils]: 1: Hoare triple {4347#true} assume true; {4347#true} is VALID [2022-04-28 10:20:55,979 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {4347#true} {4347#true} #63#return; {4347#true} is VALID [2022-04-28 10:20:55,980 INFO L272 TraceCheckUtils]: 0: Hoare triple {4347#true} call ULTIMATE.init(); {4364#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 10:20:55,980 INFO L290 TraceCheckUtils]: 1: Hoare triple {4364#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {4347#true} is VALID [2022-04-28 10:20:55,980 INFO L290 TraceCheckUtils]: 2: Hoare triple {4347#true} assume true; {4347#true} is VALID [2022-04-28 10:20:55,980 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {4347#true} {4347#true} #63#return; {4347#true} is VALID [2022-04-28 10:20:55,980 INFO L272 TraceCheckUtils]: 4: Hoare triple {4347#true} call #t~ret7 := main(); {4347#true} is VALID [2022-04-28 10:20:55,981 INFO L290 TraceCheckUtils]: 5: Hoare triple {4347#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {4347#true} is VALID [2022-04-28 10:20:55,981 INFO L290 TraceCheckUtils]: 6: Hoare triple {4347#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {4347#true} is VALID [2022-04-28 10:20:55,981 INFO L290 TraceCheckUtils]: 7: Hoare triple {4347#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {4352#(= main_~z~0 0)} is VALID [2022-04-28 10:20:55,981 INFO L290 TraceCheckUtils]: 8: Hoare triple {4352#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4353#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:20:55,982 INFO L290 TraceCheckUtils]: 9: Hoare triple {4353#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4354#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:20:55,983 INFO L290 TraceCheckUtils]: 10: Hoare triple {4354#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4355#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:20:55,983 INFO L290 TraceCheckUtils]: 11: Hoare triple {4355#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4356#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:20:55,984 INFO L290 TraceCheckUtils]: 12: Hoare triple {4356#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4357#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:20:55,984 INFO L290 TraceCheckUtils]: 13: Hoare triple {4357#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4358#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:20:55,985 INFO L290 TraceCheckUtils]: 14: Hoare triple {4358#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4359#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:20:55,985 INFO L290 TraceCheckUtils]: 15: Hoare triple {4359#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4360#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:20:55,986 INFO L290 TraceCheckUtils]: 16: Hoare triple {4360#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4361#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:20:55,986 INFO L290 TraceCheckUtils]: 17: Hoare triple {4361#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4362#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:20:55,987 INFO L290 TraceCheckUtils]: 18: Hoare triple {4362#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4363#(and (<= main_~z~0 11) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} is VALID [2022-04-28 10:20:55,987 INFO L290 TraceCheckUtils]: 19: Hoare triple {4363#(and (<= main_~z~0 11) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} assume !(~z~0 % 4294967296 < 268435455); {4348#false} is VALID [2022-04-28 10:20:55,987 INFO L272 TraceCheckUtils]: 20: Hoare triple {4348#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {4348#false} is VALID [2022-04-28 10:20:55,987 INFO L290 TraceCheckUtils]: 21: Hoare triple {4348#false} ~cond := #in~cond; {4348#false} is VALID [2022-04-28 10:20:55,987 INFO L290 TraceCheckUtils]: 22: Hoare triple {4348#false} assume 0 == ~cond; {4348#false} is VALID [2022-04-28 10:20:55,987 INFO L290 TraceCheckUtils]: 23: Hoare triple {4348#false} assume !false; {4348#false} is VALID [2022-04-28 10:20:55,988 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:20:55,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 10:20:55,988 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132074184] [2022-04-28 10:20:55,988 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132074184] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 10:20:55,988 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1154569564] [2022-04-28 10:20:55,988 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-28 10:20:55,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:20:55,988 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 10:20:55,989 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 10:20:56,009 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-04-28 10:20:56,039 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-28 10:20:56,039 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 10:20:56,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 25 conjunts are in the unsatisfiable core [2022-04-28 10:20:56,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:20:56,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 10:20:56,263 INFO L272 TraceCheckUtils]: 0: Hoare triple {4347#true} call ULTIMATE.init(); {4347#true} is VALID [2022-04-28 10:20:56,263 INFO L290 TraceCheckUtils]: 1: Hoare triple {4347#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {4347#true} is VALID [2022-04-28 10:20:56,263 INFO L290 TraceCheckUtils]: 2: Hoare triple {4347#true} assume true; {4347#true} is VALID [2022-04-28 10:20:56,263 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {4347#true} {4347#true} #63#return; {4347#true} is VALID [2022-04-28 10:20:56,263 INFO L272 TraceCheckUtils]: 4: Hoare triple {4347#true} call #t~ret7 := main(); {4347#true} is VALID [2022-04-28 10:20:56,263 INFO L290 TraceCheckUtils]: 5: Hoare triple {4347#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {4347#true} is VALID [2022-04-28 10:20:56,263 INFO L290 TraceCheckUtils]: 6: Hoare triple {4347#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {4347#true} is VALID [2022-04-28 10:20:56,263 INFO L290 TraceCheckUtils]: 7: Hoare triple {4347#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {4352#(= main_~z~0 0)} is VALID [2022-04-28 10:20:56,264 INFO L290 TraceCheckUtils]: 8: Hoare triple {4352#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4353#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:20:56,264 INFO L290 TraceCheckUtils]: 9: Hoare triple {4353#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4354#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:20:56,265 INFO L290 TraceCheckUtils]: 10: Hoare triple {4354#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4355#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:20:56,265 INFO L290 TraceCheckUtils]: 11: Hoare triple {4355#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4356#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:20:56,266 INFO L290 TraceCheckUtils]: 12: Hoare triple {4356#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4357#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:20:56,266 INFO L290 TraceCheckUtils]: 13: Hoare triple {4357#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4358#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:20:56,267 INFO L290 TraceCheckUtils]: 14: Hoare triple {4358#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4359#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:20:56,267 INFO L290 TraceCheckUtils]: 15: Hoare triple {4359#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4360#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:20:56,268 INFO L290 TraceCheckUtils]: 16: Hoare triple {4360#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4361#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:20:56,268 INFO L290 TraceCheckUtils]: 17: Hoare triple {4361#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4362#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:20:56,269 INFO L290 TraceCheckUtils]: 18: Hoare triple {4362#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4422#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:20:56,269 INFO L290 TraceCheckUtils]: 19: Hoare triple {4422#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !(~z~0 % 4294967296 < 268435455); {4348#false} is VALID [2022-04-28 10:20:56,269 INFO L272 TraceCheckUtils]: 20: Hoare triple {4348#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {4348#false} is VALID [2022-04-28 10:20:56,270 INFO L290 TraceCheckUtils]: 21: Hoare triple {4348#false} ~cond := #in~cond; {4348#false} is VALID [2022-04-28 10:20:56,270 INFO L290 TraceCheckUtils]: 22: Hoare triple {4348#false} assume 0 == ~cond; {4348#false} is VALID [2022-04-28 10:20:56,270 INFO L290 TraceCheckUtils]: 23: Hoare triple {4348#false} assume !false; {4348#false} is VALID [2022-04-28 10:20:56,270 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:20:56,270 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 10:20:56,561 INFO L290 TraceCheckUtils]: 23: Hoare triple {4348#false} assume !false; {4348#false} is VALID [2022-04-28 10:20:56,562 INFO L290 TraceCheckUtils]: 22: Hoare triple {4348#false} assume 0 == ~cond; {4348#false} is VALID [2022-04-28 10:20:56,562 INFO L290 TraceCheckUtils]: 21: Hoare triple {4348#false} ~cond := #in~cond; {4348#false} is VALID [2022-04-28 10:20:56,562 INFO L272 TraceCheckUtils]: 20: Hoare triple {4348#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {4348#false} is VALID [2022-04-28 10:20:56,562 INFO L290 TraceCheckUtils]: 19: Hoare triple {4450#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {4348#false} is VALID [2022-04-28 10:20:56,563 INFO L290 TraceCheckUtils]: 18: Hoare triple {4454#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4450#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 10:20:56,564 INFO L290 TraceCheckUtils]: 17: Hoare triple {4458#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4454#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 10:20:56,566 INFO L290 TraceCheckUtils]: 16: Hoare triple {4462#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4458#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 10:20:56,566 INFO L290 TraceCheckUtils]: 15: Hoare triple {4466#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4462#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 10:20:56,567 INFO L290 TraceCheckUtils]: 14: Hoare triple {4470#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4466#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 10:20:56,568 INFO L290 TraceCheckUtils]: 13: Hoare triple {4474#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4470#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:20:56,568 INFO L290 TraceCheckUtils]: 12: Hoare triple {4478#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4474#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} is VALID [2022-04-28 10:20:56,569 INFO L290 TraceCheckUtils]: 11: Hoare triple {4482#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4478#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:20:56,569 INFO L290 TraceCheckUtils]: 10: Hoare triple {4486#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4482#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} is VALID [2022-04-28 10:20:56,570 INFO L290 TraceCheckUtils]: 9: Hoare triple {4490#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4486#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} is VALID [2022-04-28 10:20:56,570 INFO L290 TraceCheckUtils]: 8: Hoare triple {4494#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4490#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} is VALID [2022-04-28 10:20:56,571 INFO L290 TraceCheckUtils]: 7: Hoare triple {4347#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {4494#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} is VALID [2022-04-28 10:20:56,571 INFO L290 TraceCheckUtils]: 6: Hoare triple {4347#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {4347#true} is VALID [2022-04-28 10:20:56,571 INFO L290 TraceCheckUtils]: 5: Hoare triple {4347#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {4347#true} is VALID [2022-04-28 10:20:56,571 INFO L272 TraceCheckUtils]: 4: Hoare triple {4347#true} call #t~ret7 := main(); {4347#true} is VALID [2022-04-28 10:20:56,571 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {4347#true} {4347#true} #63#return; {4347#true} is VALID [2022-04-28 10:20:56,571 INFO L290 TraceCheckUtils]: 2: Hoare triple {4347#true} assume true; {4347#true} is VALID [2022-04-28 10:20:56,571 INFO L290 TraceCheckUtils]: 1: Hoare triple {4347#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {4347#true} is VALID [2022-04-28 10:20:56,571 INFO L272 TraceCheckUtils]: 0: Hoare triple {4347#true} call ULTIMATE.init(); {4347#true} is VALID [2022-04-28 10:20:56,571 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:20:56,572 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1154569564] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 10:20:56,572 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 10:20:56,572 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14, 14] total 28 [2022-04-28 10:20:56,572 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 10:20:56,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [629296580] [2022-04-28 10:20:56,572 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [629296580] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 10:20:56,572 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 10:20:56,572 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-04-28 10:20:56,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060621109] [2022-04-28 10:20:56,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 10:20:56,573 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 14 states have internal predecessors, (20), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2022-04-28 10:20:56,573 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 10:20:56,573 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 15 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 14 states have internal predecessors, (20), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:20:56,586 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:20:56,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-04-28 10:20:56,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 10:20:56,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-04-28 10:20:56,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=221, Invalid=535, Unknown=0, NotChecked=0, Total=756 [2022-04-28 10:20:56,587 INFO L87 Difference]: Start difference. First operand 33 states and 37 transitions. Second operand has 15 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 14 states have internal predecessors, (20), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:20:57,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:20:57,184 INFO L93 Difference]: Finished difference Result 61 states and 70 transitions. [2022-04-28 10:20:57,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-04-28 10:20:57,184 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 14 states have internal predecessors, (20), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2022-04-28 10:20:57,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 10:20:57,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 14 states have internal predecessors, (20), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:20:57,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 57 transitions. [2022-04-28 10:20:57,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 14 states have internal predecessors, (20), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:20:57,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 57 transitions. [2022-04-28 10:20:57,186 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 15 states and 57 transitions. [2022-04-28 10:20:57,230 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 57 edges. 57 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:20:57,231 INFO L225 Difference]: With dead ends: 61 [2022-04-28 10:20:57,231 INFO L226 Difference]: Without dead ends: 35 [2022-04-28 10:20:57,233 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 38 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=435, Invalid=1125, Unknown=0, NotChecked=0, Total=1560 [2022-04-28 10:20:57,234 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 18 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 277 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-28 10:20:57,234 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 63 Invalid, 307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 277 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-28 10:20:57,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2022-04-28 10:20:57,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 34. [2022-04-28 10:20:57,261 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 10:20:57,261 INFO L82 GeneralOperation]: Start isEquivalent. First operand 35 states. Second operand has 34 states, 26 states have (on average 1.1538461538461537) internal successors, (30), 27 states have internal predecessors, (30), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:20:57,261 INFO L74 IsIncluded]: Start isIncluded. First operand 35 states. Second operand has 34 states, 26 states have (on average 1.1538461538461537) internal successors, (30), 27 states have internal predecessors, (30), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:20:57,262 INFO L87 Difference]: Start difference. First operand 35 states. Second operand has 34 states, 26 states have (on average 1.1538461538461537) internal successors, (30), 27 states have internal predecessors, (30), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:20:57,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:20:57,263 INFO L93 Difference]: Finished difference Result 35 states and 39 transitions. [2022-04-28 10:20:57,263 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2022-04-28 10:20:57,263 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:20:57,263 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:20:57,264 INFO L74 IsIncluded]: Start isIncluded. First operand has 34 states, 26 states have (on average 1.1538461538461537) internal successors, (30), 27 states have internal predecessors, (30), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 35 states. [2022-04-28 10:20:57,264 INFO L87 Difference]: Start difference. First operand has 34 states, 26 states have (on average 1.1538461538461537) internal successors, (30), 27 states have internal predecessors, (30), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 35 states. [2022-04-28 10:20:57,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:20:57,265 INFO L93 Difference]: Finished difference Result 35 states and 39 transitions. [2022-04-28 10:20:57,265 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2022-04-28 10:20:57,265 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:20:57,265 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:20:57,265 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 10:20:57,265 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 10:20:57,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 26 states have (on average 1.1538461538461537) internal successors, (30), 27 states have internal predecessors, (30), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:20:57,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 38 transitions. [2022-04-28 10:20:57,267 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 38 transitions. Word has length 24 [2022-04-28 10:20:57,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 10:20:57,267 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 38 transitions. [2022-04-28 10:20:57,267 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 14 states have internal predecessors, (20), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:20:57,268 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 34 states and 38 transitions. [2022-04-28 10:20:57,301 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 38 edges. 38 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:20:57,302 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 38 transitions. [2022-04-28 10:20:57,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-04-28 10:20:57,302 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 10:20:57,302 INFO L195 NwaCegarLoop]: trace histogram [12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 10:20:57,318 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-04-28 10:20:57,503 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-04-28 10:20:57,503 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 10:20:57,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 10:20:57,503 INFO L85 PathProgramCache]: Analyzing trace with hash -994264254, now seen corresponding path program 23 times [2022-04-28 10:20:57,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 10:20:57,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [403956184] [2022-04-28 10:20:57,506 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-28 10:20:57,506 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-28 10:20:57,506 INFO L85 PathProgramCache]: Analyzing trace with hash -994264254, now seen corresponding path program 24 times [2022-04-28 10:20:57,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 10:20:57,507 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49585316] [2022-04-28 10:20:57,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 10:20:57,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 10:20:57,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:20:57,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 10:20:57,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:20:57,701 INFO L290 TraceCheckUtils]: 0: Hoare triple {4824#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {4806#true} is VALID [2022-04-28 10:20:57,702 INFO L290 TraceCheckUtils]: 1: Hoare triple {4806#true} assume true; {4806#true} is VALID [2022-04-28 10:20:57,702 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {4806#true} {4806#true} #63#return; {4806#true} is VALID [2022-04-28 10:20:57,702 INFO L272 TraceCheckUtils]: 0: Hoare triple {4806#true} call ULTIMATE.init(); {4824#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 10:20:57,702 INFO L290 TraceCheckUtils]: 1: Hoare triple {4824#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {4806#true} is VALID [2022-04-28 10:20:57,702 INFO L290 TraceCheckUtils]: 2: Hoare triple {4806#true} assume true; {4806#true} is VALID [2022-04-28 10:20:57,702 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {4806#true} {4806#true} #63#return; {4806#true} is VALID [2022-04-28 10:20:57,702 INFO L272 TraceCheckUtils]: 4: Hoare triple {4806#true} call #t~ret7 := main(); {4806#true} is VALID [2022-04-28 10:20:57,703 INFO L290 TraceCheckUtils]: 5: Hoare triple {4806#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {4806#true} is VALID [2022-04-28 10:20:57,703 INFO L290 TraceCheckUtils]: 6: Hoare triple {4806#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {4806#true} is VALID [2022-04-28 10:20:57,703 INFO L290 TraceCheckUtils]: 7: Hoare triple {4806#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {4811#(= main_~z~0 0)} is VALID [2022-04-28 10:20:57,703 INFO L290 TraceCheckUtils]: 8: Hoare triple {4811#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4812#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:20:57,704 INFO L290 TraceCheckUtils]: 9: Hoare triple {4812#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4813#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:20:57,704 INFO L290 TraceCheckUtils]: 10: Hoare triple {4813#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4814#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:20:57,705 INFO L290 TraceCheckUtils]: 11: Hoare triple {4814#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4815#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:20:57,705 INFO L290 TraceCheckUtils]: 12: Hoare triple {4815#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4816#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:20:57,706 INFO L290 TraceCheckUtils]: 13: Hoare triple {4816#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4817#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:20:57,706 INFO L290 TraceCheckUtils]: 14: Hoare triple {4817#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4818#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:20:57,707 INFO L290 TraceCheckUtils]: 15: Hoare triple {4818#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4819#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:20:57,707 INFO L290 TraceCheckUtils]: 16: Hoare triple {4819#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4820#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:20:57,708 INFO L290 TraceCheckUtils]: 17: Hoare triple {4820#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4821#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:20:57,708 INFO L290 TraceCheckUtils]: 18: Hoare triple {4821#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4822#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:20:57,709 INFO L290 TraceCheckUtils]: 19: Hoare triple {4822#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4823#(and (<= main_~z~0 12) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} is VALID [2022-04-28 10:20:57,709 INFO L290 TraceCheckUtils]: 20: Hoare triple {4823#(and (<= main_~z~0 12) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} assume !(~z~0 % 4294967296 < 268435455); {4807#false} is VALID [2022-04-28 10:20:57,709 INFO L272 TraceCheckUtils]: 21: Hoare triple {4807#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {4807#false} is VALID [2022-04-28 10:20:57,709 INFO L290 TraceCheckUtils]: 22: Hoare triple {4807#false} ~cond := #in~cond; {4807#false} is VALID [2022-04-28 10:20:57,709 INFO L290 TraceCheckUtils]: 23: Hoare triple {4807#false} assume 0 == ~cond; {4807#false} is VALID [2022-04-28 10:20:57,709 INFO L290 TraceCheckUtils]: 24: Hoare triple {4807#false} assume !false; {4807#false} is VALID [2022-04-28 10:20:57,710 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:20:57,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 10:20:57,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49585316] [2022-04-28 10:20:57,710 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49585316] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 10:20:57,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2126424021] [2022-04-28 10:20:57,710 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-04-28 10:20:57,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:20:57,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 10:20:57,723 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 10:20:57,725 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-04-28 10:20:57,789 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2022-04-28 10:20:57,789 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 10:20:57,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 27 conjunts are in the unsatisfiable core [2022-04-28 10:20:57,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:20:57,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 10:20:58,039 INFO L272 TraceCheckUtils]: 0: Hoare triple {4806#true} call ULTIMATE.init(); {4806#true} is VALID [2022-04-28 10:20:58,039 INFO L290 TraceCheckUtils]: 1: Hoare triple {4806#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {4806#true} is VALID [2022-04-28 10:20:58,039 INFO L290 TraceCheckUtils]: 2: Hoare triple {4806#true} assume true; {4806#true} is VALID [2022-04-28 10:20:58,040 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {4806#true} {4806#true} #63#return; {4806#true} is VALID [2022-04-28 10:20:58,040 INFO L272 TraceCheckUtils]: 4: Hoare triple {4806#true} call #t~ret7 := main(); {4806#true} is VALID [2022-04-28 10:20:58,040 INFO L290 TraceCheckUtils]: 5: Hoare triple {4806#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {4806#true} is VALID [2022-04-28 10:20:58,040 INFO L290 TraceCheckUtils]: 6: Hoare triple {4806#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {4806#true} is VALID [2022-04-28 10:20:58,040 INFO L290 TraceCheckUtils]: 7: Hoare triple {4806#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {4811#(= main_~z~0 0)} is VALID [2022-04-28 10:20:58,040 INFO L290 TraceCheckUtils]: 8: Hoare triple {4811#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4812#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:20:58,041 INFO L290 TraceCheckUtils]: 9: Hoare triple {4812#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4813#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:20:58,041 INFO L290 TraceCheckUtils]: 10: Hoare triple {4813#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4814#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:20:58,042 INFO L290 TraceCheckUtils]: 11: Hoare triple {4814#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4815#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:20:58,042 INFO L290 TraceCheckUtils]: 12: Hoare triple {4815#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4816#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:20:58,043 INFO L290 TraceCheckUtils]: 13: Hoare triple {4816#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4817#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:20:58,043 INFO L290 TraceCheckUtils]: 14: Hoare triple {4817#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4818#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:20:58,044 INFO L290 TraceCheckUtils]: 15: Hoare triple {4818#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4819#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:20:58,044 INFO L290 TraceCheckUtils]: 16: Hoare triple {4819#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4820#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:20:58,045 INFO L290 TraceCheckUtils]: 17: Hoare triple {4820#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4821#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:20:58,045 INFO L290 TraceCheckUtils]: 18: Hoare triple {4821#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4822#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:20:58,046 INFO L290 TraceCheckUtils]: 19: Hoare triple {4822#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4885#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:20:58,046 INFO L290 TraceCheckUtils]: 20: Hoare triple {4885#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !(~z~0 % 4294967296 < 268435455); {4807#false} is VALID [2022-04-28 10:20:58,046 INFO L272 TraceCheckUtils]: 21: Hoare triple {4807#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {4807#false} is VALID [2022-04-28 10:20:58,046 INFO L290 TraceCheckUtils]: 22: Hoare triple {4807#false} ~cond := #in~cond; {4807#false} is VALID [2022-04-28 10:20:58,046 INFO L290 TraceCheckUtils]: 23: Hoare triple {4807#false} assume 0 == ~cond; {4807#false} is VALID [2022-04-28 10:20:58,046 INFO L290 TraceCheckUtils]: 24: Hoare triple {4807#false} assume !false; {4807#false} is VALID [2022-04-28 10:20:58,047 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:20:58,047 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 10:20:58,388 INFO L290 TraceCheckUtils]: 24: Hoare triple {4807#false} assume !false; {4807#false} is VALID [2022-04-28 10:20:58,389 INFO L290 TraceCheckUtils]: 23: Hoare triple {4807#false} assume 0 == ~cond; {4807#false} is VALID [2022-04-28 10:20:58,389 INFO L290 TraceCheckUtils]: 22: Hoare triple {4807#false} ~cond := #in~cond; {4807#false} is VALID [2022-04-28 10:20:58,389 INFO L272 TraceCheckUtils]: 21: Hoare triple {4807#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {4807#false} is VALID [2022-04-28 10:20:58,403 INFO L290 TraceCheckUtils]: 20: Hoare triple {4913#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {4807#false} is VALID [2022-04-28 10:20:58,404 INFO L290 TraceCheckUtils]: 19: Hoare triple {4917#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4913#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 10:20:58,404 INFO L290 TraceCheckUtils]: 18: Hoare triple {4921#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4917#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 10:20:58,405 INFO L290 TraceCheckUtils]: 17: Hoare triple {4925#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4921#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 10:20:58,406 INFO L290 TraceCheckUtils]: 16: Hoare triple {4929#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4925#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 10:20:58,407 INFO L290 TraceCheckUtils]: 15: Hoare triple {4933#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4929#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 10:20:58,407 INFO L290 TraceCheckUtils]: 14: Hoare triple {4937#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4933#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:20:58,408 INFO L290 TraceCheckUtils]: 13: Hoare triple {4941#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4937#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} is VALID [2022-04-28 10:20:58,408 INFO L290 TraceCheckUtils]: 12: Hoare triple {4945#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4941#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:20:58,409 INFO L290 TraceCheckUtils]: 11: Hoare triple {4949#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4945#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} is VALID [2022-04-28 10:20:58,409 INFO L290 TraceCheckUtils]: 10: Hoare triple {4953#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4949#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} is VALID [2022-04-28 10:20:58,410 INFO L290 TraceCheckUtils]: 9: Hoare triple {4957#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4953#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} is VALID [2022-04-28 10:20:58,411 INFO L290 TraceCheckUtils]: 8: Hoare triple {4961#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {4957#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} is VALID [2022-04-28 10:20:58,411 INFO L290 TraceCheckUtils]: 7: Hoare triple {4806#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {4961#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} is VALID [2022-04-28 10:20:58,411 INFO L290 TraceCheckUtils]: 6: Hoare triple {4806#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {4806#true} is VALID [2022-04-28 10:20:58,411 INFO L290 TraceCheckUtils]: 5: Hoare triple {4806#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {4806#true} is VALID [2022-04-28 10:20:58,411 INFO L272 TraceCheckUtils]: 4: Hoare triple {4806#true} call #t~ret7 := main(); {4806#true} is VALID [2022-04-28 10:20:58,411 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {4806#true} {4806#true} #63#return; {4806#true} is VALID [2022-04-28 10:20:58,411 INFO L290 TraceCheckUtils]: 2: Hoare triple {4806#true} assume true; {4806#true} is VALID [2022-04-28 10:20:58,411 INFO L290 TraceCheckUtils]: 1: Hoare triple {4806#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {4806#true} is VALID [2022-04-28 10:20:58,411 INFO L272 TraceCheckUtils]: 0: Hoare triple {4806#true} call ULTIMATE.init(); {4806#true} is VALID [2022-04-28 10:20:58,412 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:20:58,412 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2126424021] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 10:20:58,412 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 10:20:58,412 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15, 15] total 30 [2022-04-28 10:20:58,412 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 10:20:58,412 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [403956184] [2022-04-28 10:20:58,412 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [403956184] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 10:20:58,412 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 10:20:58,412 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-04-28 10:20:58,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762135104] [2022-04-28 10:20:58,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 10:20:58,413 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 1.3125) internal successors, (21), 15 states have internal predecessors, (21), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-04-28 10:20:58,413 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 10:20:58,413 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 16 states, 16 states have (on average 1.3125) internal successors, (21), 15 states have internal predecessors, (21), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:20:58,427 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 25 edges. 25 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:20:58,427 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-04-28 10:20:58,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 10:20:58,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-04-28 10:20:58,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=252, Invalid=618, Unknown=0, NotChecked=0, Total=870 [2022-04-28 10:20:58,428 INFO L87 Difference]: Start difference. First operand 34 states and 38 transitions. Second operand has 16 states, 16 states have (on average 1.3125) internal successors, (21), 15 states have internal predecessors, (21), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:20:59,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:20:59,002 INFO L93 Difference]: Finished difference Result 63 states and 72 transitions. [2022-04-28 10:20:59,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-04-28 10:20:59,002 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 1.3125) internal successors, (21), 15 states have internal predecessors, (21), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-04-28 10:20:59,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 10:20:59,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.3125) internal successors, (21), 15 states have internal predecessors, (21), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:20:59,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 58 transitions. [2022-04-28 10:20:59,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.3125) internal successors, (21), 15 states have internal predecessors, (21), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:20:59,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 58 transitions. [2022-04-28 10:20:59,003 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 16 states and 58 transitions. [2022-04-28 10:20:59,049 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 58 edges. 58 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:20:59,049 INFO L225 Difference]: With dead ends: 63 [2022-04-28 10:20:59,050 INFO L226 Difference]: Without dead ends: 36 [2022-04-28 10:20:59,050 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 39 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=497, Invalid=1309, Unknown=0, NotChecked=0, Total=1806 [2022-04-28 10:20:59,051 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 18 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 273 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-28 10:20:59,051 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 53 Invalid, 305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 273 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-28 10:20:59,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2022-04-28 10:20:59,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 35. [2022-04-28 10:20:59,074 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 10:20:59,074 INFO L82 GeneralOperation]: Start isEquivalent. First operand 36 states. Second operand has 35 states, 27 states have (on average 1.1481481481481481) internal successors, (31), 28 states have internal predecessors, (31), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:20:59,074 INFO L74 IsIncluded]: Start isIncluded. First operand 36 states. Second operand has 35 states, 27 states have (on average 1.1481481481481481) internal successors, (31), 28 states have internal predecessors, (31), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:20:59,074 INFO L87 Difference]: Start difference. First operand 36 states. Second operand has 35 states, 27 states have (on average 1.1481481481481481) internal successors, (31), 28 states have internal predecessors, (31), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:20:59,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:20:59,075 INFO L93 Difference]: Finished difference Result 36 states and 40 transitions. [2022-04-28 10:20:59,075 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 40 transitions. [2022-04-28 10:20:59,075 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:20:59,075 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:20:59,075 INFO L74 IsIncluded]: Start isIncluded. First operand has 35 states, 27 states have (on average 1.1481481481481481) internal successors, (31), 28 states have internal predecessors, (31), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 36 states. [2022-04-28 10:20:59,075 INFO L87 Difference]: Start difference. First operand has 35 states, 27 states have (on average 1.1481481481481481) internal successors, (31), 28 states have internal predecessors, (31), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 36 states. [2022-04-28 10:20:59,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:20:59,076 INFO L93 Difference]: Finished difference Result 36 states and 40 transitions. [2022-04-28 10:20:59,076 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 40 transitions. [2022-04-28 10:20:59,076 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:20:59,076 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:20:59,076 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 10:20:59,076 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 10:20:59,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 27 states have (on average 1.1481481481481481) internal successors, (31), 28 states have internal predecessors, (31), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:20:59,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 39 transitions. [2022-04-28 10:20:59,077 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 39 transitions. Word has length 25 [2022-04-28 10:20:59,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 10:20:59,077 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 39 transitions. [2022-04-28 10:20:59,077 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 1.3125) internal successors, (21), 15 states have internal predecessors, (21), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:20:59,077 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 35 states and 39 transitions. [2022-04-28 10:20:59,113 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 39 edges. 39 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:20:59,113 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2022-04-28 10:20:59,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-04-28 10:20:59,113 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 10:20:59,113 INFO L195 NwaCegarLoop]: trace histogram [13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 10:20:59,121 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-04-28 10:20:59,314 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-04-28 10:20:59,314 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 10:20:59,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 10:20:59,314 INFO L85 PathProgramCache]: Analyzing trace with hash -731118238, now seen corresponding path program 25 times [2022-04-28 10:20:59,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 10:20:59,314 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [390373475] [2022-04-28 10:20:59,316 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-28 10:20:59,316 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-28 10:20:59,316 INFO L85 PathProgramCache]: Analyzing trace with hash -731118238, now seen corresponding path program 26 times [2022-04-28 10:20:59,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 10:20:59,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974653630] [2022-04-28 10:20:59,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 10:20:59,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 10:20:59,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:20:59,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 10:20:59,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:20:59,518 INFO L290 TraceCheckUtils]: 0: Hoare triple {5302#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {5283#true} is VALID [2022-04-28 10:20:59,518 INFO L290 TraceCheckUtils]: 1: Hoare triple {5283#true} assume true; {5283#true} is VALID [2022-04-28 10:20:59,518 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {5283#true} {5283#true} #63#return; {5283#true} is VALID [2022-04-28 10:20:59,519 INFO L272 TraceCheckUtils]: 0: Hoare triple {5283#true} call ULTIMATE.init(); {5302#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 10:20:59,519 INFO L290 TraceCheckUtils]: 1: Hoare triple {5302#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {5283#true} is VALID [2022-04-28 10:20:59,519 INFO L290 TraceCheckUtils]: 2: Hoare triple {5283#true} assume true; {5283#true} is VALID [2022-04-28 10:20:59,519 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {5283#true} {5283#true} #63#return; {5283#true} is VALID [2022-04-28 10:20:59,519 INFO L272 TraceCheckUtils]: 4: Hoare triple {5283#true} call #t~ret7 := main(); {5283#true} is VALID [2022-04-28 10:20:59,519 INFO L290 TraceCheckUtils]: 5: Hoare triple {5283#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {5283#true} is VALID [2022-04-28 10:20:59,519 INFO L290 TraceCheckUtils]: 6: Hoare triple {5283#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {5283#true} is VALID [2022-04-28 10:20:59,519 INFO L290 TraceCheckUtils]: 7: Hoare triple {5283#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {5288#(= main_~z~0 0)} is VALID [2022-04-28 10:20:59,520 INFO L290 TraceCheckUtils]: 8: Hoare triple {5288#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5289#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:20:59,520 INFO L290 TraceCheckUtils]: 9: Hoare triple {5289#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5290#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:20:59,521 INFO L290 TraceCheckUtils]: 10: Hoare triple {5290#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5291#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:20:59,521 INFO L290 TraceCheckUtils]: 11: Hoare triple {5291#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5292#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:20:59,522 INFO L290 TraceCheckUtils]: 12: Hoare triple {5292#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5293#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:20:59,522 INFO L290 TraceCheckUtils]: 13: Hoare triple {5293#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5294#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:20:59,523 INFO L290 TraceCheckUtils]: 14: Hoare triple {5294#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5295#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:20:59,523 INFO L290 TraceCheckUtils]: 15: Hoare triple {5295#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5296#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:20:59,524 INFO L290 TraceCheckUtils]: 16: Hoare triple {5296#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5297#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:20:59,524 INFO L290 TraceCheckUtils]: 17: Hoare triple {5297#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5298#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:20:59,525 INFO L290 TraceCheckUtils]: 18: Hoare triple {5298#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5299#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:20:59,525 INFO L290 TraceCheckUtils]: 19: Hoare triple {5299#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5300#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:20:59,526 INFO L290 TraceCheckUtils]: 20: Hoare triple {5300#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5301#(and (<= main_~z~0 13) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} is VALID [2022-04-28 10:20:59,526 INFO L290 TraceCheckUtils]: 21: Hoare triple {5301#(and (<= main_~z~0 13) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} assume !(~z~0 % 4294967296 < 268435455); {5284#false} is VALID [2022-04-28 10:20:59,526 INFO L272 TraceCheckUtils]: 22: Hoare triple {5284#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {5284#false} is VALID [2022-04-28 10:20:59,527 INFO L290 TraceCheckUtils]: 23: Hoare triple {5284#false} ~cond := #in~cond; {5284#false} is VALID [2022-04-28 10:20:59,527 INFO L290 TraceCheckUtils]: 24: Hoare triple {5284#false} assume 0 == ~cond; {5284#false} is VALID [2022-04-28 10:20:59,527 INFO L290 TraceCheckUtils]: 25: Hoare triple {5284#false} assume !false; {5284#false} is VALID [2022-04-28 10:20:59,527 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:20:59,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 10:20:59,527 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974653630] [2022-04-28 10:20:59,527 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974653630] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 10:20:59,527 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2018535702] [2022-04-28 10:20:59,527 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-28 10:20:59,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:20:59,528 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 10:20:59,533 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 10:20:59,534 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-04-28 10:20:59,574 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-28 10:20:59,574 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 10:20:59,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 29 conjunts are in the unsatisfiable core [2022-04-28 10:20:59,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:20:59,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 10:20:59,827 INFO L272 TraceCheckUtils]: 0: Hoare triple {5283#true} call ULTIMATE.init(); {5283#true} is VALID [2022-04-28 10:20:59,828 INFO L290 TraceCheckUtils]: 1: Hoare triple {5283#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {5283#true} is VALID [2022-04-28 10:20:59,828 INFO L290 TraceCheckUtils]: 2: Hoare triple {5283#true} assume true; {5283#true} is VALID [2022-04-28 10:20:59,828 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {5283#true} {5283#true} #63#return; {5283#true} is VALID [2022-04-28 10:20:59,828 INFO L272 TraceCheckUtils]: 4: Hoare triple {5283#true} call #t~ret7 := main(); {5283#true} is VALID [2022-04-28 10:20:59,828 INFO L290 TraceCheckUtils]: 5: Hoare triple {5283#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {5283#true} is VALID [2022-04-28 10:20:59,828 INFO L290 TraceCheckUtils]: 6: Hoare triple {5283#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {5283#true} is VALID [2022-04-28 10:20:59,828 INFO L290 TraceCheckUtils]: 7: Hoare triple {5283#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {5288#(= main_~z~0 0)} is VALID [2022-04-28 10:20:59,829 INFO L290 TraceCheckUtils]: 8: Hoare triple {5288#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5289#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:20:59,829 INFO L290 TraceCheckUtils]: 9: Hoare triple {5289#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5290#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:20:59,830 INFO L290 TraceCheckUtils]: 10: Hoare triple {5290#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5291#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:20:59,830 INFO L290 TraceCheckUtils]: 11: Hoare triple {5291#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5292#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:20:59,831 INFO L290 TraceCheckUtils]: 12: Hoare triple {5292#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5293#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:20:59,831 INFO L290 TraceCheckUtils]: 13: Hoare triple {5293#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5294#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:20:59,832 INFO L290 TraceCheckUtils]: 14: Hoare triple {5294#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5295#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:20:59,832 INFO L290 TraceCheckUtils]: 15: Hoare triple {5295#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5296#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:20:59,833 INFO L290 TraceCheckUtils]: 16: Hoare triple {5296#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5297#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:20:59,833 INFO L290 TraceCheckUtils]: 17: Hoare triple {5297#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5298#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:20:59,834 INFO L290 TraceCheckUtils]: 18: Hoare triple {5298#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5299#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:20:59,834 INFO L290 TraceCheckUtils]: 19: Hoare triple {5299#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5300#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:20:59,835 INFO L290 TraceCheckUtils]: 20: Hoare triple {5300#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5366#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:20:59,835 INFO L290 TraceCheckUtils]: 21: Hoare triple {5366#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !(~z~0 % 4294967296 < 268435455); {5284#false} is VALID [2022-04-28 10:20:59,835 INFO L272 TraceCheckUtils]: 22: Hoare triple {5284#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {5284#false} is VALID [2022-04-28 10:20:59,836 INFO L290 TraceCheckUtils]: 23: Hoare triple {5284#false} ~cond := #in~cond; {5284#false} is VALID [2022-04-28 10:20:59,836 INFO L290 TraceCheckUtils]: 24: Hoare triple {5284#false} assume 0 == ~cond; {5284#false} is VALID [2022-04-28 10:20:59,836 INFO L290 TraceCheckUtils]: 25: Hoare triple {5284#false} assume !false; {5284#false} is VALID [2022-04-28 10:20:59,836 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:20:59,836 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 10:21:00,209 INFO L290 TraceCheckUtils]: 25: Hoare triple {5284#false} assume !false; {5284#false} is VALID [2022-04-28 10:21:00,209 INFO L290 TraceCheckUtils]: 24: Hoare triple {5284#false} assume 0 == ~cond; {5284#false} is VALID [2022-04-28 10:21:00,209 INFO L290 TraceCheckUtils]: 23: Hoare triple {5284#false} ~cond := #in~cond; {5284#false} is VALID [2022-04-28 10:21:00,210 INFO L272 TraceCheckUtils]: 22: Hoare triple {5284#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {5284#false} is VALID [2022-04-28 10:21:00,210 INFO L290 TraceCheckUtils]: 21: Hoare triple {5394#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {5284#false} is VALID [2022-04-28 10:21:00,210 INFO L290 TraceCheckUtils]: 20: Hoare triple {5398#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5394#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 10:21:00,211 INFO L290 TraceCheckUtils]: 19: Hoare triple {5402#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5398#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 10:21:00,212 INFO L290 TraceCheckUtils]: 18: Hoare triple {5406#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5402#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 10:21:00,212 INFO L290 TraceCheckUtils]: 17: Hoare triple {5410#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5406#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 10:21:00,213 INFO L290 TraceCheckUtils]: 16: Hoare triple {5414#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5410#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 10:21:00,213 INFO L290 TraceCheckUtils]: 15: Hoare triple {5418#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5414#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:21:00,214 INFO L290 TraceCheckUtils]: 14: Hoare triple {5422#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5418#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} is VALID [2022-04-28 10:21:00,214 INFO L290 TraceCheckUtils]: 13: Hoare triple {5426#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5422#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:21:00,215 INFO L290 TraceCheckUtils]: 12: Hoare triple {5430#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5426#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} is VALID [2022-04-28 10:21:00,215 INFO L290 TraceCheckUtils]: 11: Hoare triple {5434#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5430#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} is VALID [2022-04-28 10:21:00,216 INFO L290 TraceCheckUtils]: 10: Hoare triple {5438#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5434#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} is VALID [2022-04-28 10:21:00,217 INFO L290 TraceCheckUtils]: 9: Hoare triple {5442#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5438#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} is VALID [2022-04-28 10:21:00,217 INFO L290 TraceCheckUtils]: 8: Hoare triple {5446#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5442#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} is VALID [2022-04-28 10:21:00,218 INFO L290 TraceCheckUtils]: 7: Hoare triple {5283#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {5446#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} is VALID [2022-04-28 10:21:00,218 INFO L290 TraceCheckUtils]: 6: Hoare triple {5283#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {5283#true} is VALID [2022-04-28 10:21:00,218 INFO L290 TraceCheckUtils]: 5: Hoare triple {5283#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {5283#true} is VALID [2022-04-28 10:21:00,218 INFO L272 TraceCheckUtils]: 4: Hoare triple {5283#true} call #t~ret7 := main(); {5283#true} is VALID [2022-04-28 10:21:00,218 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {5283#true} {5283#true} #63#return; {5283#true} is VALID [2022-04-28 10:21:00,218 INFO L290 TraceCheckUtils]: 2: Hoare triple {5283#true} assume true; {5283#true} is VALID [2022-04-28 10:21:00,218 INFO L290 TraceCheckUtils]: 1: Hoare triple {5283#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {5283#true} is VALID [2022-04-28 10:21:00,218 INFO L272 TraceCheckUtils]: 0: Hoare triple {5283#true} call ULTIMATE.init(); {5283#true} is VALID [2022-04-28 10:21:00,218 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:21:00,218 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2018535702] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 10:21:00,218 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 10:21:00,219 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16, 16] total 32 [2022-04-28 10:21:00,219 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 10:21:00,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [390373475] [2022-04-28 10:21:00,219 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [390373475] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 10:21:00,219 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 10:21:00,219 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-04-28 10:21:00,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789172406] [2022-04-28 10:21:00,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 10:21:00,219 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 16 states have internal predecessors, (22), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2022-04-28 10:21:00,220 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 10:21:00,220 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 17 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 16 states have internal predecessors, (22), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:21:00,234 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 26 edges. 26 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:21:00,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-04-28 10:21:00,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 10:21:00,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-04-28 10:21:00,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=285, Invalid=707, Unknown=0, NotChecked=0, Total=992 [2022-04-28 10:21:00,235 INFO L87 Difference]: Start difference. First operand 35 states and 39 transitions. Second operand has 17 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 16 states have internal predecessors, (22), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:21:00,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:21:00,831 INFO L93 Difference]: Finished difference Result 65 states and 74 transitions. [2022-04-28 10:21:00,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-04-28 10:21:00,831 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 16 states have internal predecessors, (22), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2022-04-28 10:21:00,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 10:21:00,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 16 states have internal predecessors, (22), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:21:00,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 59 transitions. [2022-04-28 10:21:00,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 16 states have internal predecessors, (22), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:21:00,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 59 transitions. [2022-04-28 10:21:00,832 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 17 states and 59 transitions. [2022-04-28 10:21:00,872 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 59 edges. 59 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:21:00,872 INFO L225 Difference]: With dead ends: 65 [2022-04-28 10:21:00,872 INFO L226 Difference]: Without dead ends: 37 [2022-04-28 10:21:00,873 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 40 SyntacticMatches, 1 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=563, Invalid=1507, Unknown=0, NotChecked=0, Total=2070 [2022-04-28 10:21:00,873 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 18 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 271 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-28 10:21:00,874 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 43 Invalid, 305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 271 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-28 10:21:00,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2022-04-28 10:21:00,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 36. [2022-04-28 10:21:00,893 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 10:21:00,893 INFO L82 GeneralOperation]: Start isEquivalent. First operand 37 states. Second operand has 36 states, 28 states have (on average 1.1428571428571428) internal successors, (32), 29 states have internal predecessors, (32), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:21:00,894 INFO L74 IsIncluded]: Start isIncluded. First operand 37 states. Second operand has 36 states, 28 states have (on average 1.1428571428571428) internal successors, (32), 29 states have internal predecessors, (32), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:21:00,894 INFO L87 Difference]: Start difference. First operand 37 states. Second operand has 36 states, 28 states have (on average 1.1428571428571428) internal successors, (32), 29 states have internal predecessors, (32), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:21:00,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:21:00,894 INFO L93 Difference]: Finished difference Result 37 states and 41 transitions. [2022-04-28 10:21:00,894 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 41 transitions. [2022-04-28 10:21:00,894 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:21:00,895 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:21:00,895 INFO L74 IsIncluded]: Start isIncluded. First operand has 36 states, 28 states have (on average 1.1428571428571428) internal successors, (32), 29 states have internal predecessors, (32), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 37 states. [2022-04-28 10:21:00,895 INFO L87 Difference]: Start difference. First operand has 36 states, 28 states have (on average 1.1428571428571428) internal successors, (32), 29 states have internal predecessors, (32), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 37 states. [2022-04-28 10:21:00,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:21:00,895 INFO L93 Difference]: Finished difference Result 37 states and 41 transitions. [2022-04-28 10:21:00,895 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 41 transitions. [2022-04-28 10:21:00,895 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:21:00,896 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:21:00,896 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 10:21:00,896 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 10:21:00,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 28 states have (on average 1.1428571428571428) internal successors, (32), 29 states have internal predecessors, (32), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:21:00,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 40 transitions. [2022-04-28 10:21:00,896 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 40 transitions. Word has length 26 [2022-04-28 10:21:00,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 10:21:00,896 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 40 transitions. [2022-04-28 10:21:00,897 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 16 states have internal predecessors, (22), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:21:00,897 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 36 states and 40 transitions. [2022-04-28 10:21:00,929 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 40 edges. 40 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:21:00,929 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 40 transitions. [2022-04-28 10:21:00,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-04-28 10:21:00,930 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 10:21:00,930 INFO L195 NwaCegarLoop]: trace histogram [14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 10:21:00,945 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2022-04-28 10:21:01,138 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-04-28 10:21:01,139 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 10:21:01,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 10:21:01,140 INFO L85 PathProgramCache]: Analyzing trace with hash -1163526334, now seen corresponding path program 27 times [2022-04-28 10:21:01,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 10:21:01,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [127770764] [2022-04-28 10:21:01,142 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-28 10:21:01,142 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-28 10:21:01,142 INFO L85 PathProgramCache]: Analyzing trace with hash -1163526334, now seen corresponding path program 28 times [2022-04-28 10:21:01,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 10:21:01,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774206863] [2022-04-28 10:21:01,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 10:21:01,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 10:21:01,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:21:01,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 10:21:01,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:21:01,407 INFO L290 TraceCheckUtils]: 0: Hoare triple {5798#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {5778#true} is VALID [2022-04-28 10:21:01,407 INFO L290 TraceCheckUtils]: 1: Hoare triple {5778#true} assume true; {5778#true} is VALID [2022-04-28 10:21:01,407 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {5778#true} {5778#true} #63#return; {5778#true} is VALID [2022-04-28 10:21:01,411 INFO L272 TraceCheckUtils]: 0: Hoare triple {5778#true} call ULTIMATE.init(); {5798#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 10:21:01,411 INFO L290 TraceCheckUtils]: 1: Hoare triple {5798#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {5778#true} is VALID [2022-04-28 10:21:01,411 INFO L290 TraceCheckUtils]: 2: Hoare triple {5778#true} assume true; {5778#true} is VALID [2022-04-28 10:21:01,411 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {5778#true} {5778#true} #63#return; {5778#true} is VALID [2022-04-28 10:21:01,411 INFO L272 TraceCheckUtils]: 4: Hoare triple {5778#true} call #t~ret7 := main(); {5778#true} is VALID [2022-04-28 10:21:01,411 INFO L290 TraceCheckUtils]: 5: Hoare triple {5778#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {5778#true} is VALID [2022-04-28 10:21:01,411 INFO L290 TraceCheckUtils]: 6: Hoare triple {5778#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {5778#true} is VALID [2022-04-28 10:21:01,412 INFO L290 TraceCheckUtils]: 7: Hoare triple {5778#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {5783#(= main_~z~0 0)} is VALID [2022-04-28 10:21:01,412 INFO L290 TraceCheckUtils]: 8: Hoare triple {5783#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5784#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:21:01,413 INFO L290 TraceCheckUtils]: 9: Hoare triple {5784#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5785#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:21:01,413 INFO L290 TraceCheckUtils]: 10: Hoare triple {5785#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5786#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:21:01,414 INFO L290 TraceCheckUtils]: 11: Hoare triple {5786#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5787#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:21:01,414 INFO L290 TraceCheckUtils]: 12: Hoare triple {5787#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5788#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:21:01,415 INFO L290 TraceCheckUtils]: 13: Hoare triple {5788#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5789#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:21:01,415 INFO L290 TraceCheckUtils]: 14: Hoare triple {5789#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5790#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:21:01,416 INFO L290 TraceCheckUtils]: 15: Hoare triple {5790#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5791#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:21:01,416 INFO L290 TraceCheckUtils]: 16: Hoare triple {5791#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5792#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:21:01,417 INFO L290 TraceCheckUtils]: 17: Hoare triple {5792#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5793#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:21:01,417 INFO L290 TraceCheckUtils]: 18: Hoare triple {5793#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5794#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:21:01,418 INFO L290 TraceCheckUtils]: 19: Hoare triple {5794#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5795#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:21:01,418 INFO L290 TraceCheckUtils]: 20: Hoare triple {5795#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5796#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:21:01,419 INFO L290 TraceCheckUtils]: 21: Hoare triple {5796#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5797#(and (<= main_~z~0 14) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} is VALID [2022-04-28 10:21:01,419 INFO L290 TraceCheckUtils]: 22: Hoare triple {5797#(and (<= main_~z~0 14) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} assume !(~z~0 % 4294967296 < 268435455); {5779#false} is VALID [2022-04-28 10:21:01,419 INFO L272 TraceCheckUtils]: 23: Hoare triple {5779#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {5779#false} is VALID [2022-04-28 10:21:01,419 INFO L290 TraceCheckUtils]: 24: Hoare triple {5779#false} ~cond := #in~cond; {5779#false} is VALID [2022-04-28 10:21:01,419 INFO L290 TraceCheckUtils]: 25: Hoare triple {5779#false} assume 0 == ~cond; {5779#false} is VALID [2022-04-28 10:21:01,419 INFO L290 TraceCheckUtils]: 26: Hoare triple {5779#false} assume !false; {5779#false} is VALID [2022-04-28 10:21:01,420 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:21:01,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 10:21:01,420 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774206863] [2022-04-28 10:21:01,420 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774206863] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 10:21:01,420 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1071125947] [2022-04-28 10:21:01,420 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-28 10:21:01,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:21:01,420 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 10:21:01,421 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 10:21:01,422 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-04-28 10:21:01,453 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-28 10:21:01,453 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 10:21:01,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 31 conjunts are in the unsatisfiable core [2022-04-28 10:21:01,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:21:01,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 10:21:01,728 INFO L272 TraceCheckUtils]: 0: Hoare triple {5778#true} call ULTIMATE.init(); {5778#true} is VALID [2022-04-28 10:21:01,729 INFO L290 TraceCheckUtils]: 1: Hoare triple {5778#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {5778#true} is VALID [2022-04-28 10:21:01,729 INFO L290 TraceCheckUtils]: 2: Hoare triple {5778#true} assume true; {5778#true} is VALID [2022-04-28 10:21:01,729 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {5778#true} {5778#true} #63#return; {5778#true} is VALID [2022-04-28 10:21:01,729 INFO L272 TraceCheckUtils]: 4: Hoare triple {5778#true} call #t~ret7 := main(); {5778#true} is VALID [2022-04-28 10:21:01,729 INFO L290 TraceCheckUtils]: 5: Hoare triple {5778#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {5778#true} is VALID [2022-04-28 10:21:01,729 INFO L290 TraceCheckUtils]: 6: Hoare triple {5778#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {5778#true} is VALID [2022-04-28 10:21:01,729 INFO L290 TraceCheckUtils]: 7: Hoare triple {5778#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {5783#(= main_~z~0 0)} is VALID [2022-04-28 10:21:01,730 INFO L290 TraceCheckUtils]: 8: Hoare triple {5783#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5784#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:21:01,730 INFO L290 TraceCheckUtils]: 9: Hoare triple {5784#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5785#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:21:01,731 INFO L290 TraceCheckUtils]: 10: Hoare triple {5785#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5786#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:21:01,731 INFO L290 TraceCheckUtils]: 11: Hoare triple {5786#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5787#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:21:01,732 INFO L290 TraceCheckUtils]: 12: Hoare triple {5787#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5788#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:21:01,732 INFO L290 TraceCheckUtils]: 13: Hoare triple {5788#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5789#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:21:01,733 INFO L290 TraceCheckUtils]: 14: Hoare triple {5789#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5790#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:21:01,733 INFO L290 TraceCheckUtils]: 15: Hoare triple {5790#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5791#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:21:01,734 INFO L290 TraceCheckUtils]: 16: Hoare triple {5791#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5792#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:21:01,734 INFO L290 TraceCheckUtils]: 17: Hoare triple {5792#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5793#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:21:01,735 INFO L290 TraceCheckUtils]: 18: Hoare triple {5793#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5794#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:21:01,735 INFO L290 TraceCheckUtils]: 19: Hoare triple {5794#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5795#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:21:01,736 INFO L290 TraceCheckUtils]: 20: Hoare triple {5795#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5796#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:21:01,736 INFO L290 TraceCheckUtils]: 21: Hoare triple {5796#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5865#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:21:01,737 INFO L290 TraceCheckUtils]: 22: Hoare triple {5865#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !(~z~0 % 4294967296 < 268435455); {5779#false} is VALID [2022-04-28 10:21:01,737 INFO L272 TraceCheckUtils]: 23: Hoare triple {5779#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {5779#false} is VALID [2022-04-28 10:21:01,737 INFO L290 TraceCheckUtils]: 24: Hoare triple {5779#false} ~cond := #in~cond; {5779#false} is VALID [2022-04-28 10:21:01,737 INFO L290 TraceCheckUtils]: 25: Hoare triple {5779#false} assume 0 == ~cond; {5779#false} is VALID [2022-04-28 10:21:01,737 INFO L290 TraceCheckUtils]: 26: Hoare triple {5779#false} assume !false; {5779#false} is VALID [2022-04-28 10:21:01,737 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:21:01,737 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 10:21:02,188 INFO L290 TraceCheckUtils]: 26: Hoare triple {5779#false} assume !false; {5779#false} is VALID [2022-04-28 10:21:02,188 INFO L290 TraceCheckUtils]: 25: Hoare triple {5779#false} assume 0 == ~cond; {5779#false} is VALID [2022-04-28 10:21:02,188 INFO L290 TraceCheckUtils]: 24: Hoare triple {5779#false} ~cond := #in~cond; {5779#false} is VALID [2022-04-28 10:21:02,188 INFO L272 TraceCheckUtils]: 23: Hoare triple {5779#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {5779#false} is VALID [2022-04-28 10:21:02,188 INFO L290 TraceCheckUtils]: 22: Hoare triple {5893#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {5779#false} is VALID [2022-04-28 10:21:02,189 INFO L290 TraceCheckUtils]: 21: Hoare triple {5897#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5893#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 10:21:02,190 INFO L290 TraceCheckUtils]: 20: Hoare triple {5901#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5897#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 10:21:02,191 INFO L290 TraceCheckUtils]: 19: Hoare triple {5905#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5901#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 10:21:02,191 INFO L290 TraceCheckUtils]: 18: Hoare triple {5909#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5905#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 10:21:02,192 INFO L290 TraceCheckUtils]: 17: Hoare triple {5913#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5909#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 10:21:02,193 INFO L290 TraceCheckUtils]: 16: Hoare triple {5917#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5913#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:21:02,193 INFO L290 TraceCheckUtils]: 15: Hoare triple {5921#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5917#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} is VALID [2022-04-28 10:21:02,194 INFO L290 TraceCheckUtils]: 14: Hoare triple {5925#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5921#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:21:02,194 INFO L290 TraceCheckUtils]: 13: Hoare triple {5929#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5925#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} is VALID [2022-04-28 10:21:02,195 INFO L290 TraceCheckUtils]: 12: Hoare triple {5933#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5929#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} is VALID [2022-04-28 10:21:02,196 INFO L290 TraceCheckUtils]: 11: Hoare triple {5937#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5933#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} is VALID [2022-04-28 10:21:02,196 INFO L290 TraceCheckUtils]: 10: Hoare triple {5941#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5937#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} is VALID [2022-04-28 10:21:02,197 INFO L290 TraceCheckUtils]: 9: Hoare triple {5945#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5941#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} is VALID [2022-04-28 10:21:02,198 INFO L290 TraceCheckUtils]: 8: Hoare triple {5949#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {5945#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} is VALID [2022-04-28 10:21:02,198 INFO L290 TraceCheckUtils]: 7: Hoare triple {5778#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {5949#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} is VALID [2022-04-28 10:21:02,198 INFO L290 TraceCheckUtils]: 6: Hoare triple {5778#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {5778#true} is VALID [2022-04-28 10:21:02,198 INFO L290 TraceCheckUtils]: 5: Hoare triple {5778#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {5778#true} is VALID [2022-04-28 10:21:02,198 INFO L272 TraceCheckUtils]: 4: Hoare triple {5778#true} call #t~ret7 := main(); {5778#true} is VALID [2022-04-28 10:21:02,198 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {5778#true} {5778#true} #63#return; {5778#true} is VALID [2022-04-28 10:21:02,199 INFO L290 TraceCheckUtils]: 2: Hoare triple {5778#true} assume true; {5778#true} is VALID [2022-04-28 10:21:02,199 INFO L290 TraceCheckUtils]: 1: Hoare triple {5778#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {5778#true} is VALID [2022-04-28 10:21:02,199 INFO L272 TraceCheckUtils]: 0: Hoare triple {5778#true} call ULTIMATE.init(); {5778#true} is VALID [2022-04-28 10:21:02,199 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:21:02,199 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1071125947] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 10:21:02,199 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 10:21:02,199 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17, 17] total 34 [2022-04-28 10:21:02,199 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 10:21:02,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [127770764] [2022-04-28 10:21:02,199 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [127770764] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 10:21:02,200 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 10:21:02,200 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-04-28 10:21:02,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085738148] [2022-04-28 10:21:02,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 10:21:02,200 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 17 states have internal predecessors, (23), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 27 [2022-04-28 10:21:02,200 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 10:21:02,200 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 18 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 17 states have internal predecessors, (23), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:21:02,217 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 27 edges. 27 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:21:02,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-04-28 10:21:02,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 10:21:02,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-04-28 10:21:02,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=320, Invalid=802, Unknown=0, NotChecked=0, Total=1122 [2022-04-28 10:21:02,218 INFO L87 Difference]: Start difference. First operand 36 states and 40 transitions. Second operand has 18 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 17 states have internal predecessors, (23), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:21:02,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:21:02,943 INFO L93 Difference]: Finished difference Result 67 states and 76 transitions. [2022-04-28 10:21:02,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-04-28 10:21:02,943 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 17 states have internal predecessors, (23), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 27 [2022-04-28 10:21:02,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 10:21:02,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 17 states have internal predecessors, (23), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:21:02,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 60 transitions. [2022-04-28 10:21:02,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 17 states have internal predecessors, (23), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:21:02,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 60 transitions. [2022-04-28 10:21:02,944 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 18 states and 60 transitions. [2022-04-28 10:21:02,988 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 60 edges. 60 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:21:02,988 INFO L225 Difference]: With dead ends: 67 [2022-04-28 10:21:02,988 INFO L226 Difference]: Without dead ends: 38 [2022-04-28 10:21:02,989 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 41 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=633, Invalid=1719, Unknown=0, NotChecked=0, Total=2352 [2022-04-28 10:21:02,990 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 17 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 347 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-04-28 10:21:02,990 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 58 Invalid, 382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 347 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-04-28 10:21:02,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2022-04-28 10:21:03,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 37. [2022-04-28 10:21:03,014 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 10:21:03,014 INFO L82 GeneralOperation]: Start isEquivalent. First operand 38 states. Second operand has 37 states, 29 states have (on average 1.1379310344827587) internal successors, (33), 30 states have internal predecessors, (33), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:21:03,014 INFO L74 IsIncluded]: Start isIncluded. First operand 38 states. Second operand has 37 states, 29 states have (on average 1.1379310344827587) internal successors, (33), 30 states have internal predecessors, (33), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:21:03,014 INFO L87 Difference]: Start difference. First operand 38 states. Second operand has 37 states, 29 states have (on average 1.1379310344827587) internal successors, (33), 30 states have internal predecessors, (33), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:21:03,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:21:03,015 INFO L93 Difference]: Finished difference Result 38 states and 42 transitions. [2022-04-28 10:21:03,015 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 42 transitions. [2022-04-28 10:21:03,015 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:21:03,015 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:21:03,015 INFO L74 IsIncluded]: Start isIncluded. First operand has 37 states, 29 states have (on average 1.1379310344827587) internal successors, (33), 30 states have internal predecessors, (33), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 38 states. [2022-04-28 10:21:03,015 INFO L87 Difference]: Start difference. First operand has 37 states, 29 states have (on average 1.1379310344827587) internal successors, (33), 30 states have internal predecessors, (33), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 38 states. [2022-04-28 10:21:03,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:21:03,016 INFO L93 Difference]: Finished difference Result 38 states and 42 transitions. [2022-04-28 10:21:03,016 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 42 transitions. [2022-04-28 10:21:03,016 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:21:03,016 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:21:03,016 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 10:21:03,016 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 10:21:03,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 29 states have (on average 1.1379310344827587) internal successors, (33), 30 states have internal predecessors, (33), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:21:03,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 41 transitions. [2022-04-28 10:21:03,017 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 41 transitions. Word has length 27 [2022-04-28 10:21:03,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 10:21:03,017 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 41 transitions. [2022-04-28 10:21:03,017 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 17 states have internal predecessors, (23), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:21:03,017 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 37 states and 41 transitions. [2022-04-28 10:21:03,055 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 41 edges. 41 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:21:03,056 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 41 transitions. [2022-04-28 10:21:03,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-04-28 10:21:03,056 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 10:21:03,056 INFO L195 NwaCegarLoop]: trace histogram [15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 10:21:03,074 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-04-28 10:21:03,256 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:21:03,256 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 10:21:03,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 10:21:03,257 INFO L85 PathProgramCache]: Analyzing trace with hash -1683275422, now seen corresponding path program 29 times [2022-04-28 10:21:03,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 10:21:03,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [974839340] [2022-04-28 10:21:03,260 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-28 10:21:03,260 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-28 10:21:03,260 INFO L85 PathProgramCache]: Analyzing trace with hash -1683275422, now seen corresponding path program 30 times [2022-04-28 10:21:03,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 10:21:03,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617107527] [2022-04-28 10:21:03,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 10:21:03,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 10:21:03,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:21:03,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 10:21:03,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:21:03,524 INFO L290 TraceCheckUtils]: 0: Hoare triple {6312#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {6291#true} is VALID [2022-04-28 10:21:03,524 INFO L290 TraceCheckUtils]: 1: Hoare triple {6291#true} assume true; {6291#true} is VALID [2022-04-28 10:21:03,524 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {6291#true} {6291#true} #63#return; {6291#true} is VALID [2022-04-28 10:21:03,525 INFO L272 TraceCheckUtils]: 0: Hoare triple {6291#true} call ULTIMATE.init(); {6312#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 10:21:03,525 INFO L290 TraceCheckUtils]: 1: Hoare triple {6312#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {6291#true} is VALID [2022-04-28 10:21:03,525 INFO L290 TraceCheckUtils]: 2: Hoare triple {6291#true} assume true; {6291#true} is VALID [2022-04-28 10:21:03,525 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {6291#true} {6291#true} #63#return; {6291#true} is VALID [2022-04-28 10:21:03,525 INFO L272 TraceCheckUtils]: 4: Hoare triple {6291#true} call #t~ret7 := main(); {6291#true} is VALID [2022-04-28 10:21:03,525 INFO L290 TraceCheckUtils]: 5: Hoare triple {6291#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {6291#true} is VALID [2022-04-28 10:21:03,525 INFO L290 TraceCheckUtils]: 6: Hoare triple {6291#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {6291#true} is VALID [2022-04-28 10:21:03,526 INFO L290 TraceCheckUtils]: 7: Hoare triple {6291#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {6296#(= main_~z~0 0)} is VALID [2022-04-28 10:21:03,526 INFO L290 TraceCheckUtils]: 8: Hoare triple {6296#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6297#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:21:03,527 INFO L290 TraceCheckUtils]: 9: Hoare triple {6297#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6298#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:21:03,527 INFO L290 TraceCheckUtils]: 10: Hoare triple {6298#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6299#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:21:03,528 INFO L290 TraceCheckUtils]: 11: Hoare triple {6299#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6300#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:21:03,528 INFO L290 TraceCheckUtils]: 12: Hoare triple {6300#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6301#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:21:03,529 INFO L290 TraceCheckUtils]: 13: Hoare triple {6301#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6302#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:21:03,529 INFO L290 TraceCheckUtils]: 14: Hoare triple {6302#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6303#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:21:03,530 INFO L290 TraceCheckUtils]: 15: Hoare triple {6303#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6304#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:21:03,530 INFO L290 TraceCheckUtils]: 16: Hoare triple {6304#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6305#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:21:03,531 INFO L290 TraceCheckUtils]: 17: Hoare triple {6305#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6306#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:21:03,531 INFO L290 TraceCheckUtils]: 18: Hoare triple {6306#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6307#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:21:03,532 INFO L290 TraceCheckUtils]: 19: Hoare triple {6307#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6308#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:21:03,532 INFO L290 TraceCheckUtils]: 20: Hoare triple {6308#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6309#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:21:03,533 INFO L290 TraceCheckUtils]: 21: Hoare triple {6309#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6310#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:21:03,533 INFO L290 TraceCheckUtils]: 22: Hoare triple {6310#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6311#(and (<= main_~z~0 15) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} is VALID [2022-04-28 10:21:03,534 INFO L290 TraceCheckUtils]: 23: Hoare triple {6311#(and (<= main_~z~0 15) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} assume !(~z~0 % 4294967296 < 268435455); {6292#false} is VALID [2022-04-28 10:21:03,534 INFO L272 TraceCheckUtils]: 24: Hoare triple {6292#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {6292#false} is VALID [2022-04-28 10:21:03,534 INFO L290 TraceCheckUtils]: 25: Hoare triple {6292#false} ~cond := #in~cond; {6292#false} is VALID [2022-04-28 10:21:03,534 INFO L290 TraceCheckUtils]: 26: Hoare triple {6292#false} assume 0 == ~cond; {6292#false} is VALID [2022-04-28 10:21:03,534 INFO L290 TraceCheckUtils]: 27: Hoare triple {6292#false} assume !false; {6292#false} is VALID [2022-04-28 10:21:03,534 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:21:03,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 10:21:03,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617107527] [2022-04-28 10:21:03,535 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617107527] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 10:21:03,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1295353899] [2022-04-28 10:21:03,535 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-04-28 10:21:03,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:21:03,535 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 10:21:03,536 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 10:21:03,537 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-04-28 10:21:03,702 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2022-04-28 10:21:03,702 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 10:21:03,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 36 conjunts are in the unsatisfiable core [2022-04-28 10:21:03,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:21:03,711 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 10:21:03,886 INFO L272 TraceCheckUtils]: 0: Hoare triple {6291#true} call ULTIMATE.init(); {6291#true} is VALID [2022-04-28 10:21:03,886 INFO L290 TraceCheckUtils]: 1: Hoare triple {6291#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {6291#true} is VALID [2022-04-28 10:21:03,886 INFO L290 TraceCheckUtils]: 2: Hoare triple {6291#true} assume true; {6291#true} is VALID [2022-04-28 10:21:03,886 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {6291#true} {6291#true} #63#return; {6291#true} is VALID [2022-04-28 10:21:03,886 INFO L272 TraceCheckUtils]: 4: Hoare triple {6291#true} call #t~ret7 := main(); {6291#true} is VALID [2022-04-28 10:21:03,886 INFO L290 TraceCheckUtils]: 5: Hoare triple {6291#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {6291#true} is VALID [2022-04-28 10:21:03,886 INFO L290 TraceCheckUtils]: 6: Hoare triple {6291#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {6291#true} is VALID [2022-04-28 10:21:03,887 INFO L290 TraceCheckUtils]: 7: Hoare triple {6291#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {6296#(= main_~z~0 0)} is VALID [2022-04-28 10:21:03,887 INFO L290 TraceCheckUtils]: 8: Hoare triple {6296#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6297#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:21:03,887 INFO L290 TraceCheckUtils]: 9: Hoare triple {6297#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6298#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:21:03,888 INFO L290 TraceCheckUtils]: 10: Hoare triple {6298#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6299#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:21:03,888 INFO L290 TraceCheckUtils]: 11: Hoare triple {6299#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6300#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:21:03,889 INFO L290 TraceCheckUtils]: 12: Hoare triple {6300#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6301#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:21:03,889 INFO L290 TraceCheckUtils]: 13: Hoare triple {6301#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6302#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:21:03,890 INFO L290 TraceCheckUtils]: 14: Hoare triple {6302#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6303#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:21:03,890 INFO L290 TraceCheckUtils]: 15: Hoare triple {6303#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6304#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:21:03,891 INFO L290 TraceCheckUtils]: 16: Hoare triple {6304#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6305#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:21:03,891 INFO L290 TraceCheckUtils]: 17: Hoare triple {6305#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6306#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:21:03,892 INFO L290 TraceCheckUtils]: 18: Hoare triple {6306#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6307#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:21:03,892 INFO L290 TraceCheckUtils]: 19: Hoare triple {6307#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6308#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:21:03,892 INFO L290 TraceCheckUtils]: 20: Hoare triple {6308#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6309#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:21:03,893 INFO L290 TraceCheckUtils]: 21: Hoare triple {6309#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6310#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:21:03,893 INFO L290 TraceCheckUtils]: 22: Hoare triple {6310#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6382#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:21:03,894 INFO L290 TraceCheckUtils]: 23: Hoare triple {6382#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !(~z~0 % 4294967296 < 268435455); {6292#false} is VALID [2022-04-28 10:21:03,894 INFO L272 TraceCheckUtils]: 24: Hoare triple {6292#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {6292#false} is VALID [2022-04-28 10:21:03,894 INFO L290 TraceCheckUtils]: 25: Hoare triple {6292#false} ~cond := #in~cond; {6292#false} is VALID [2022-04-28 10:21:03,894 INFO L290 TraceCheckUtils]: 26: Hoare triple {6292#false} assume 0 == ~cond; {6292#false} is VALID [2022-04-28 10:21:03,894 INFO L290 TraceCheckUtils]: 27: Hoare triple {6292#false} assume !false; {6292#false} is VALID [2022-04-28 10:21:03,894 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:21:03,894 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 10:21:04,676 INFO L290 TraceCheckUtils]: 27: Hoare triple {6292#false} assume !false; {6292#false} is VALID [2022-04-28 10:21:04,677 INFO L290 TraceCheckUtils]: 26: Hoare triple {6401#(not (<= __VERIFIER_assert_~cond 0))} assume 0 == ~cond; {6292#false} is VALID [2022-04-28 10:21:04,678 INFO L290 TraceCheckUtils]: 25: Hoare triple {6405#(< 0 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {6401#(not (<= __VERIFIER_assert_~cond 0))} is VALID [2022-04-28 10:21:04,678 INFO L272 TraceCheckUtils]: 24: Hoare triple {6409#(= (mod main_~z~0 4) 0)} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {6405#(< 0 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-28 10:21:04,678 INFO L290 TraceCheckUtils]: 23: Hoare triple {6413#(or (< (mod main_~z~0 4294967296) 268435455) (= (mod main_~z~0 4) 0))} assume !(~z~0 % 4294967296 < 268435455); {6409#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 10:21:04,679 INFO L290 TraceCheckUtils]: 22: Hoare triple {6417#(or (< (mod (+ main_~z~0 1) 4294967296) 268435455) (= (mod (+ main_~z~0 1) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6413#(or (< (mod main_~z~0 4294967296) 268435455) (= (mod main_~z~0 4) 0))} is VALID [2022-04-28 10:21:04,680 INFO L290 TraceCheckUtils]: 21: Hoare triple {6421#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 2) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6417#(or (< (mod (+ main_~z~0 1) 4294967296) 268435455) (= (mod (+ main_~z~0 1) 4) 0))} is VALID [2022-04-28 10:21:04,681 INFO L290 TraceCheckUtils]: 20: Hoare triple {6425#(or (< (mod (+ main_~z~0 3) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6421#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 2) 4294967296) 268435455))} is VALID [2022-04-28 10:21:04,683 INFO L290 TraceCheckUtils]: 19: Hoare triple {6429#(or (= (mod main_~z~0 4) 0) (< (mod (+ main_~z~0 4) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6425#(or (< (mod (+ main_~z~0 3) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} is VALID [2022-04-28 10:21:04,683 INFO L290 TraceCheckUtils]: 18: Hoare triple {6433#(or (< (mod (+ 5 main_~z~0) 4294967296) 268435455) (= (mod (+ main_~z~0 1) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6429#(or (= (mod main_~z~0 4) 0) (< (mod (+ main_~z~0 4) 4294967296) 268435455))} is VALID [2022-04-28 10:21:04,684 INFO L290 TraceCheckUtils]: 17: Hoare triple {6437#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 6) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6433#(or (< (mod (+ 5 main_~z~0) 4294967296) 268435455) (= (mod (+ main_~z~0 1) 4) 0))} is VALID [2022-04-28 10:21:04,685 INFO L290 TraceCheckUtils]: 16: Hoare triple {6441#(or (< (mod (+ 7 main_~z~0) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6437#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 6) 4294967296) 268435455))} is VALID [2022-04-28 10:21:04,689 INFO L290 TraceCheckUtils]: 15: Hoare triple {6445#(or (< (mod (+ main_~z~0 8) 4294967296) 268435455) (= (mod main_~z~0 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6441#(or (< (mod (+ 7 main_~z~0) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} is VALID [2022-04-28 10:21:04,690 INFO L290 TraceCheckUtils]: 14: Hoare triple {6449#(or (= (mod (+ main_~z~0 1) 4) 0) (< (mod (+ main_~z~0 9) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6445#(or (< (mod (+ main_~z~0 8) 4294967296) 268435455) (= (mod main_~z~0 4) 0))} is VALID [2022-04-28 10:21:04,691 INFO L290 TraceCheckUtils]: 13: Hoare triple {6453#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 10) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6449#(or (= (mod (+ main_~z~0 1) 4) 0) (< (mod (+ main_~z~0 9) 4294967296) 268435455))} is VALID [2022-04-28 10:21:04,692 INFO L290 TraceCheckUtils]: 12: Hoare triple {6457#(or (< (mod (+ main_~z~0 11) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6453#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 10) 4294967296) 268435455))} is VALID [2022-04-28 10:21:04,700 INFO L290 TraceCheckUtils]: 11: Hoare triple {6461#(or (= (mod main_~z~0 4) 0) (< (mod (+ main_~z~0 12) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6457#(or (< (mod (+ main_~z~0 11) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} is VALID [2022-04-28 10:21:04,714 INFO L290 TraceCheckUtils]: 10: Hoare triple {6465#(or (< (mod (+ main_~z~0 13) 4294967296) 268435455) (= (mod (+ main_~z~0 1) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6461#(or (= (mod main_~z~0 4) 0) (< (mod (+ main_~z~0 12) 4294967296) 268435455))} is VALID [2022-04-28 10:21:04,715 INFO L290 TraceCheckUtils]: 9: Hoare triple {6469#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 14) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6465#(or (< (mod (+ main_~z~0 13) 4294967296) 268435455) (= (mod (+ main_~z~0 1) 4) 0))} is VALID [2022-04-28 10:21:04,715 INFO L290 TraceCheckUtils]: 8: Hoare triple {6473#(or (< (mod (+ main_~z~0 15) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6469#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 14) 4294967296) 268435455))} is VALID [2022-04-28 10:21:04,716 INFO L290 TraceCheckUtils]: 7: Hoare triple {6291#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {6473#(or (< (mod (+ main_~z~0 15) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} is VALID [2022-04-28 10:21:04,716 INFO L290 TraceCheckUtils]: 6: Hoare triple {6291#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {6291#true} is VALID [2022-04-28 10:21:04,716 INFO L290 TraceCheckUtils]: 5: Hoare triple {6291#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {6291#true} is VALID [2022-04-28 10:21:04,716 INFO L272 TraceCheckUtils]: 4: Hoare triple {6291#true} call #t~ret7 := main(); {6291#true} is VALID [2022-04-28 10:21:04,716 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {6291#true} {6291#true} #63#return; {6291#true} is VALID [2022-04-28 10:21:04,716 INFO L290 TraceCheckUtils]: 2: Hoare triple {6291#true} assume true; {6291#true} is VALID [2022-04-28 10:21:04,716 INFO L290 TraceCheckUtils]: 1: Hoare triple {6291#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {6291#true} is VALID [2022-04-28 10:21:04,716 INFO L272 TraceCheckUtils]: 0: Hoare triple {6291#true} call ULTIMATE.init(); {6291#true} is VALID [2022-04-28 10:21:04,717 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:21:04,717 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1295353899] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 10:21:04,717 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 10:21:04,717 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 18, 21] total 39 [2022-04-28 10:21:04,717 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 10:21:04,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [974839340] [2022-04-28 10:21:04,717 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [974839340] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 10:21:04,717 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 10:21:04,717 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-04-28 10:21:04,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127105164] [2022-04-28 10:21:04,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 10:21:04,718 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 1.263157894736842) internal successors, (24), 18 states have internal predecessors, (24), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28 [2022-04-28 10:21:04,718 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 10:21:04,718 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 19 states, 19 states have (on average 1.263157894736842) internal successors, (24), 18 states have internal predecessors, (24), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:21:04,735 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 28 edges. 28 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:21:04,735 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-04-28 10:21:04,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 10:21:04,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-04-28 10:21:04,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=371, Invalid=1111, Unknown=0, NotChecked=0, Total=1482 [2022-04-28 10:21:04,736 INFO L87 Difference]: Start difference. First operand 37 states and 41 transitions. Second operand has 19 states, 19 states have (on average 1.263157894736842) internal successors, (24), 18 states have internal predecessors, (24), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:21:05,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:21:05,529 INFO L93 Difference]: Finished difference Result 69 states and 78 transitions. [2022-04-28 10:21:05,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-04-28 10:21:05,530 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 1.263157894736842) internal successors, (24), 18 states have internal predecessors, (24), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28 [2022-04-28 10:21:05,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 10:21:05,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.263157894736842) internal successors, (24), 18 states have internal predecessors, (24), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:21:05,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 61 transitions. [2022-04-28 10:21:05,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.263157894736842) internal successors, (24), 18 states have internal predecessors, (24), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:21:05,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 61 transitions. [2022-04-28 10:21:05,532 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 19 states and 61 transitions. [2022-04-28 10:21:05,580 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 61 edges. 61 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:21:05,581 INFO L225 Difference]: With dead ends: 69 [2022-04-28 10:21:05,581 INFO L226 Difference]: Without dead ends: 39 [2022-04-28 10:21:05,582 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 39 SyntacticMatches, 1 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 192 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=725, Invalid=2245, Unknown=0, NotChecked=0, Total=2970 [2022-04-28 10:21:05,582 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 17 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 394 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-04-28 10:21:05,582 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 63 Invalid, 431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 394 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-04-28 10:21:05,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2022-04-28 10:21:05,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 38. [2022-04-28 10:21:05,606 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 10:21:05,606 INFO L82 GeneralOperation]: Start isEquivalent. First operand 39 states. Second operand has 38 states, 30 states have (on average 1.1333333333333333) internal successors, (34), 31 states have internal predecessors, (34), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:21:05,606 INFO L74 IsIncluded]: Start isIncluded. First operand 39 states. Second operand has 38 states, 30 states have (on average 1.1333333333333333) internal successors, (34), 31 states have internal predecessors, (34), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:21:05,606 INFO L87 Difference]: Start difference. First operand 39 states. Second operand has 38 states, 30 states have (on average 1.1333333333333333) internal successors, (34), 31 states have internal predecessors, (34), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:21:05,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:21:05,607 INFO L93 Difference]: Finished difference Result 39 states and 43 transitions. [2022-04-28 10:21:05,607 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 43 transitions. [2022-04-28 10:21:05,607 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:21:05,607 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:21:05,608 INFO L74 IsIncluded]: Start isIncluded. First operand has 38 states, 30 states have (on average 1.1333333333333333) internal successors, (34), 31 states have internal predecessors, (34), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 39 states. [2022-04-28 10:21:05,608 INFO L87 Difference]: Start difference. First operand has 38 states, 30 states have (on average 1.1333333333333333) internal successors, (34), 31 states have internal predecessors, (34), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 39 states. [2022-04-28 10:21:05,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:21:05,608 INFO L93 Difference]: Finished difference Result 39 states and 43 transitions. [2022-04-28 10:21:05,608 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 43 transitions. [2022-04-28 10:21:05,609 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:21:05,609 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:21:05,609 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 10:21:05,609 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 10:21:05,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 30 states have (on average 1.1333333333333333) internal successors, (34), 31 states have internal predecessors, (34), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:21:05,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 42 transitions. [2022-04-28 10:21:05,610 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 42 transitions. Word has length 28 [2022-04-28 10:21:05,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 10:21:05,610 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 42 transitions. [2022-04-28 10:21:05,610 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 1.263157894736842) internal successors, (24), 18 states have internal predecessors, (24), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:21:05,610 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 38 states and 42 transitions. [2022-04-28 10:21:05,646 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 42 edges. 42 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:21:05,646 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 42 transitions. [2022-04-28 10:21:05,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-04-28 10:21:05,647 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 10:21:05,648 INFO L195 NwaCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 10:21:05,653 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-04-28 10:21:05,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:21:05,852 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 10:21:05,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 10:21:05,852 INFO L85 PathProgramCache]: Analyzing trace with hash -615627966, now seen corresponding path program 31 times [2022-04-28 10:21:05,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 10:21:05,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [197819178] [2022-04-28 10:21:05,854 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-28 10:21:05,854 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-28 10:21:05,855 INFO L85 PathProgramCache]: Analyzing trace with hash -615627966, now seen corresponding path program 32 times [2022-04-28 10:21:05,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 10:21:05,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129460859] [2022-04-28 10:21:05,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 10:21:05,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 10:21:05,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:21:06,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 10:21:06,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:21:06,105 INFO L290 TraceCheckUtils]: 0: Hoare triple {6847#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {6825#true} is VALID [2022-04-28 10:21:06,105 INFO L290 TraceCheckUtils]: 1: Hoare triple {6825#true} assume true; {6825#true} is VALID [2022-04-28 10:21:06,105 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {6825#true} {6825#true} #63#return; {6825#true} is VALID [2022-04-28 10:21:06,106 INFO L272 TraceCheckUtils]: 0: Hoare triple {6825#true} call ULTIMATE.init(); {6847#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 10:21:06,106 INFO L290 TraceCheckUtils]: 1: Hoare triple {6847#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {6825#true} is VALID [2022-04-28 10:21:06,106 INFO L290 TraceCheckUtils]: 2: Hoare triple {6825#true} assume true; {6825#true} is VALID [2022-04-28 10:21:06,106 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {6825#true} {6825#true} #63#return; {6825#true} is VALID [2022-04-28 10:21:06,106 INFO L272 TraceCheckUtils]: 4: Hoare triple {6825#true} call #t~ret7 := main(); {6825#true} is VALID [2022-04-28 10:21:06,106 INFO L290 TraceCheckUtils]: 5: Hoare triple {6825#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {6825#true} is VALID [2022-04-28 10:21:06,106 INFO L290 TraceCheckUtils]: 6: Hoare triple {6825#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {6825#true} is VALID [2022-04-28 10:21:06,107 INFO L290 TraceCheckUtils]: 7: Hoare triple {6825#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {6830#(= main_~z~0 0)} is VALID [2022-04-28 10:21:06,107 INFO L290 TraceCheckUtils]: 8: Hoare triple {6830#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6831#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:21:06,108 INFO L290 TraceCheckUtils]: 9: Hoare triple {6831#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6832#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:21:06,108 INFO L290 TraceCheckUtils]: 10: Hoare triple {6832#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6833#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:21:06,109 INFO L290 TraceCheckUtils]: 11: Hoare triple {6833#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6834#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:21:06,109 INFO L290 TraceCheckUtils]: 12: Hoare triple {6834#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6835#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:21:06,110 INFO L290 TraceCheckUtils]: 13: Hoare triple {6835#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6836#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:21:06,110 INFO L290 TraceCheckUtils]: 14: Hoare triple {6836#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6837#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:21:06,111 INFO L290 TraceCheckUtils]: 15: Hoare triple {6837#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6838#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:21:06,111 INFO L290 TraceCheckUtils]: 16: Hoare triple {6838#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6839#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:21:06,112 INFO L290 TraceCheckUtils]: 17: Hoare triple {6839#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6840#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:21:06,112 INFO L290 TraceCheckUtils]: 18: Hoare triple {6840#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6841#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:21:06,113 INFO L290 TraceCheckUtils]: 19: Hoare triple {6841#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6842#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:21:06,113 INFO L290 TraceCheckUtils]: 20: Hoare triple {6842#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6843#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:21:06,114 INFO L290 TraceCheckUtils]: 21: Hoare triple {6843#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6844#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:21:06,114 INFO L290 TraceCheckUtils]: 22: Hoare triple {6844#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6845#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:21:06,115 INFO L290 TraceCheckUtils]: 23: Hoare triple {6845#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6846#(and (<= main_~z~0 16) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} is VALID [2022-04-28 10:21:06,115 INFO L290 TraceCheckUtils]: 24: Hoare triple {6846#(and (<= main_~z~0 16) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} assume !(~z~0 % 4294967296 < 268435455); {6826#false} is VALID [2022-04-28 10:21:06,115 INFO L272 TraceCheckUtils]: 25: Hoare triple {6826#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {6826#false} is VALID [2022-04-28 10:21:06,116 INFO L290 TraceCheckUtils]: 26: Hoare triple {6826#false} ~cond := #in~cond; {6826#false} is VALID [2022-04-28 10:21:06,116 INFO L290 TraceCheckUtils]: 27: Hoare triple {6826#false} assume 0 == ~cond; {6826#false} is VALID [2022-04-28 10:21:06,116 INFO L290 TraceCheckUtils]: 28: Hoare triple {6826#false} assume !false; {6826#false} is VALID [2022-04-28 10:21:06,116 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:21:06,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 10:21:06,116 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129460859] [2022-04-28 10:21:06,116 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129460859] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 10:21:06,116 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [567061319] [2022-04-28 10:21:06,116 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-28 10:21:06,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:21:06,117 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 10:21:06,117 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 10:21:06,118 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-04-28 10:21:06,158 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-28 10:21:06,159 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 10:21:06,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 37 conjunts are in the unsatisfiable core [2022-04-28 10:21:06,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:21:06,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 10:21:06,460 INFO L272 TraceCheckUtils]: 0: Hoare triple {6825#true} call ULTIMATE.init(); {6825#true} is VALID [2022-04-28 10:21:06,461 INFO L290 TraceCheckUtils]: 1: Hoare triple {6825#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {6825#true} is VALID [2022-04-28 10:21:06,461 INFO L290 TraceCheckUtils]: 2: Hoare triple {6825#true} assume true; {6825#true} is VALID [2022-04-28 10:21:06,461 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {6825#true} {6825#true} #63#return; {6825#true} is VALID [2022-04-28 10:21:06,461 INFO L272 TraceCheckUtils]: 4: Hoare triple {6825#true} call #t~ret7 := main(); {6825#true} is VALID [2022-04-28 10:21:06,461 INFO L290 TraceCheckUtils]: 5: Hoare triple {6825#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {6825#true} is VALID [2022-04-28 10:21:06,461 INFO L290 TraceCheckUtils]: 6: Hoare triple {6825#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {6825#true} is VALID [2022-04-28 10:21:06,461 INFO L290 TraceCheckUtils]: 7: Hoare triple {6825#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {6830#(= main_~z~0 0)} is VALID [2022-04-28 10:21:06,462 INFO L290 TraceCheckUtils]: 8: Hoare triple {6830#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6831#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:21:06,462 INFO L290 TraceCheckUtils]: 9: Hoare triple {6831#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6832#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:21:06,463 INFO L290 TraceCheckUtils]: 10: Hoare triple {6832#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6833#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:21:06,463 INFO L290 TraceCheckUtils]: 11: Hoare triple {6833#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6834#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:21:06,464 INFO L290 TraceCheckUtils]: 12: Hoare triple {6834#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6835#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:21:06,464 INFO L290 TraceCheckUtils]: 13: Hoare triple {6835#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6836#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:21:06,465 INFO L290 TraceCheckUtils]: 14: Hoare triple {6836#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6837#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:21:06,466 INFO L290 TraceCheckUtils]: 15: Hoare triple {6837#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6838#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:21:06,467 INFO L290 TraceCheckUtils]: 16: Hoare triple {6838#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6839#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:21:06,467 INFO L290 TraceCheckUtils]: 17: Hoare triple {6839#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6840#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:21:06,468 INFO L290 TraceCheckUtils]: 18: Hoare triple {6840#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6841#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:21:06,468 INFO L290 TraceCheckUtils]: 19: Hoare triple {6841#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6842#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:21:06,469 INFO L290 TraceCheckUtils]: 20: Hoare triple {6842#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6843#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:21:06,469 INFO L290 TraceCheckUtils]: 21: Hoare triple {6843#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6844#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:21:06,470 INFO L290 TraceCheckUtils]: 22: Hoare triple {6844#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6845#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:21:06,470 INFO L290 TraceCheckUtils]: 23: Hoare triple {6845#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6920#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:21:06,471 INFO L290 TraceCheckUtils]: 24: Hoare triple {6920#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !(~z~0 % 4294967296 < 268435455); {6920#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:21:06,472 INFO L272 TraceCheckUtils]: 25: Hoare triple {6920#(and (<= 16 main_~z~0) (<= main_~z~0 16))} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {6927#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-28 10:21:06,472 INFO L290 TraceCheckUtils]: 26: Hoare triple {6927#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {6931#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-28 10:21:06,472 INFO L290 TraceCheckUtils]: 27: Hoare triple {6931#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {6826#false} is VALID [2022-04-28 10:21:06,472 INFO L290 TraceCheckUtils]: 28: Hoare triple {6826#false} assume !false; {6826#false} is VALID [2022-04-28 10:21:06,472 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:21:06,473 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 10:21:06,683 INFO L290 TraceCheckUtils]: 28: Hoare triple {6826#false} assume !false; {6826#false} is VALID [2022-04-28 10:21:06,683 INFO L290 TraceCheckUtils]: 27: Hoare triple {6931#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {6826#false} is VALID [2022-04-28 10:21:06,683 INFO L290 TraceCheckUtils]: 26: Hoare triple {6927#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {6931#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-28 10:21:06,684 INFO L272 TraceCheckUtils]: 25: Hoare triple {6947#(= (mod main_~z~0 4) 0)} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {6927#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-28 10:21:06,684 INFO L290 TraceCheckUtils]: 24: Hoare triple {6947#(= (mod main_~z~0 4) 0)} assume !(~z~0 % 4294967296 < 268435455); {6947#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 10:21:06,690 INFO L290 TraceCheckUtils]: 23: Hoare triple {6954#(= (mod (+ main_~z~0 1) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6947#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 10:21:06,691 INFO L290 TraceCheckUtils]: 22: Hoare triple {6958#(= (mod (+ main_~z~0 2) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6954#(= (mod (+ main_~z~0 1) 4) 0)} is VALID [2022-04-28 10:21:06,700 INFO L290 TraceCheckUtils]: 21: Hoare triple {6962#(= (mod (+ main_~z~0 3) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6958#(= (mod (+ main_~z~0 2) 4) 0)} is VALID [2022-04-28 10:21:06,701 INFO L290 TraceCheckUtils]: 20: Hoare triple {6947#(= (mod main_~z~0 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6962#(= (mod (+ main_~z~0 3) 4) 0)} is VALID [2022-04-28 10:21:06,702 INFO L290 TraceCheckUtils]: 19: Hoare triple {6954#(= (mod (+ main_~z~0 1) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6947#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 10:21:06,702 INFO L290 TraceCheckUtils]: 18: Hoare triple {6958#(= (mod (+ main_~z~0 2) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6954#(= (mod (+ main_~z~0 1) 4) 0)} is VALID [2022-04-28 10:21:06,703 INFO L290 TraceCheckUtils]: 17: Hoare triple {6962#(= (mod (+ main_~z~0 3) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6958#(= (mod (+ main_~z~0 2) 4) 0)} is VALID [2022-04-28 10:21:06,703 INFO L290 TraceCheckUtils]: 16: Hoare triple {6947#(= (mod main_~z~0 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6962#(= (mod (+ main_~z~0 3) 4) 0)} is VALID [2022-04-28 10:21:06,704 INFO L290 TraceCheckUtils]: 15: Hoare triple {6954#(= (mod (+ main_~z~0 1) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6947#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 10:21:06,704 INFO L290 TraceCheckUtils]: 14: Hoare triple {6958#(= (mod (+ main_~z~0 2) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6954#(= (mod (+ main_~z~0 1) 4) 0)} is VALID [2022-04-28 10:21:06,705 INFO L290 TraceCheckUtils]: 13: Hoare triple {6962#(= (mod (+ main_~z~0 3) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6958#(= (mod (+ main_~z~0 2) 4) 0)} is VALID [2022-04-28 10:21:06,706 INFO L290 TraceCheckUtils]: 12: Hoare triple {6947#(= (mod main_~z~0 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6962#(= (mod (+ main_~z~0 3) 4) 0)} is VALID [2022-04-28 10:21:06,706 INFO L290 TraceCheckUtils]: 11: Hoare triple {6954#(= (mod (+ main_~z~0 1) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6947#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 10:21:06,707 INFO L290 TraceCheckUtils]: 10: Hoare triple {6958#(= (mod (+ main_~z~0 2) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6954#(= (mod (+ main_~z~0 1) 4) 0)} is VALID [2022-04-28 10:21:06,707 INFO L290 TraceCheckUtils]: 9: Hoare triple {6962#(= (mod (+ main_~z~0 3) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6958#(= (mod (+ main_~z~0 2) 4) 0)} is VALID [2022-04-28 10:21:06,708 INFO L290 TraceCheckUtils]: 8: Hoare triple {6947#(= (mod main_~z~0 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {6962#(= (mod (+ main_~z~0 3) 4) 0)} is VALID [2022-04-28 10:21:06,708 INFO L290 TraceCheckUtils]: 7: Hoare triple {6825#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {6947#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 10:21:06,708 INFO L290 TraceCheckUtils]: 6: Hoare triple {6825#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {6825#true} is VALID [2022-04-28 10:21:06,708 INFO L290 TraceCheckUtils]: 5: Hoare triple {6825#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {6825#true} is VALID [2022-04-28 10:21:06,708 INFO L272 TraceCheckUtils]: 4: Hoare triple {6825#true} call #t~ret7 := main(); {6825#true} is VALID [2022-04-28 10:21:06,708 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {6825#true} {6825#true} #63#return; {6825#true} is VALID [2022-04-28 10:21:06,709 INFO L290 TraceCheckUtils]: 2: Hoare triple {6825#true} assume true; {6825#true} is VALID [2022-04-28 10:21:06,709 INFO L290 TraceCheckUtils]: 1: Hoare triple {6825#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {6825#true} is VALID [2022-04-28 10:21:06,709 INFO L272 TraceCheckUtils]: 0: Hoare triple {6825#true} call ULTIMATE.init(); {6825#true} is VALID [2022-04-28 10:21:06,709 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-04-28 10:21:06,709 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [567061319] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 10:21:06,709 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 10:21:06,709 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 21, 8] total 27 [2022-04-28 10:21:06,710 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 10:21:06,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [197819178] [2022-04-28 10:21:06,710 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [197819178] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 10:21:06,710 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 10:21:06,710 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-04-28 10:21:06,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902787376] [2022-04-28 10:21:06,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 10:21:06,710 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 1.25) internal successors, (25), 19 states have internal predecessors, (25), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2022-04-28 10:21:06,711 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 10:21:06,711 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 20 states, 20 states have (on average 1.25) internal successors, (25), 19 states have internal predecessors, (25), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:21:06,728 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 29 edges. 29 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:21:06,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-04-28 10:21:06,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 10:21:06,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-04-28 10:21:06,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=617, Unknown=0, NotChecked=0, Total=702 [2022-04-28 10:21:06,728 INFO L87 Difference]: Start difference. First operand 38 states and 42 transitions. Second operand has 20 states, 20 states have (on average 1.25) internal successors, (25), 19 states have internal predecessors, (25), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:21:07,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:21:07,549 INFO L93 Difference]: Finished difference Result 71 states and 80 transitions. [2022-04-28 10:21:07,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-04-28 10:21:07,549 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 1.25) internal successors, (25), 19 states have internal predecessors, (25), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2022-04-28 10:21:07,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 10:21:07,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.25) internal successors, (25), 19 states have internal predecessors, (25), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:21:07,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 62 transitions. [2022-04-28 10:21:07,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.25) internal successors, (25), 19 states have internal predecessors, (25), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:21:07,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 62 transitions. [2022-04-28 10:21:07,551 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 20 states and 62 transitions. [2022-04-28 10:21:07,602 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 62 edges. 62 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:21:07,603 INFO L225 Difference]: With dead ends: 71 [2022-04-28 10:21:07,603 INFO L226 Difference]: Without dead ends: 40 [2022-04-28 10:21:07,603 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 53 SyntacticMatches, 2 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 160 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=201, Invalid=1691, Unknown=0, NotChecked=0, Total=1892 [2022-04-28 10:21:07,604 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 18 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 337 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 337 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-04-28 10:21:07,604 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 33 Invalid, 377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 337 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-04-28 10:21:07,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2022-04-28 10:21:07,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 39. [2022-04-28 10:21:07,628 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 10:21:07,628 INFO L82 GeneralOperation]: Start isEquivalent. First operand 40 states. Second operand has 39 states, 31 states have (on average 1.1290322580645162) internal successors, (35), 32 states have internal predecessors, (35), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:21:07,629 INFO L74 IsIncluded]: Start isIncluded. First operand 40 states. Second operand has 39 states, 31 states have (on average 1.1290322580645162) internal successors, (35), 32 states have internal predecessors, (35), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:21:07,629 INFO L87 Difference]: Start difference. First operand 40 states. Second operand has 39 states, 31 states have (on average 1.1290322580645162) internal successors, (35), 32 states have internal predecessors, (35), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:21:07,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:21:07,629 INFO L93 Difference]: Finished difference Result 40 states and 44 transitions. [2022-04-28 10:21:07,629 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 44 transitions. [2022-04-28 10:21:07,630 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:21:07,630 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:21:07,630 INFO L74 IsIncluded]: Start isIncluded. First operand has 39 states, 31 states have (on average 1.1290322580645162) internal successors, (35), 32 states have internal predecessors, (35), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 40 states. [2022-04-28 10:21:07,630 INFO L87 Difference]: Start difference. First operand has 39 states, 31 states have (on average 1.1290322580645162) internal successors, (35), 32 states have internal predecessors, (35), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 40 states. [2022-04-28 10:21:07,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:21:07,630 INFO L93 Difference]: Finished difference Result 40 states and 44 transitions. [2022-04-28 10:21:07,630 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 44 transitions. [2022-04-28 10:21:07,631 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:21:07,631 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:21:07,631 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 10:21:07,631 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 10:21:07,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 31 states have (on average 1.1290322580645162) internal successors, (35), 32 states have internal predecessors, (35), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:21:07,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 43 transitions. [2022-04-28 10:21:07,631 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 43 transitions. Word has length 29 [2022-04-28 10:21:07,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 10:21:07,631 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 43 transitions. [2022-04-28 10:21:07,632 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 1.25) internal successors, (25), 19 states have internal predecessors, (25), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:21:07,632 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 39 states and 43 transitions. [2022-04-28 10:21:07,672 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 43 edges. 43 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:21:07,673 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 43 transitions. [2022-04-28 10:21:07,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-04-28 10:21:07,673 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 10:21:07,673 INFO L195 NwaCegarLoop]: trace histogram [17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 10:21:07,689 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-04-28 10:21:07,873 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:21:07,873 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 10:21:07,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 10:21:07,874 INFO L85 PathProgramCache]: Analyzing trace with hash -1878295198, now seen corresponding path program 33 times [2022-04-28 10:21:07,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 10:21:07,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1034079333] [2022-04-28 10:21:07,884 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-28 10:21:07,884 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-28 10:21:07,884 INFO L85 PathProgramCache]: Analyzing trace with hash -1878295198, now seen corresponding path program 34 times [2022-04-28 10:21:07,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 10:21:07,884 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688476304] [2022-04-28 10:21:07,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 10:21:07,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 10:21:07,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:21:08,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 10:21:08,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:21:08,147 INFO L290 TraceCheckUtils]: 0: Hoare triple {7386#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {7363#true} is VALID [2022-04-28 10:21:08,147 INFO L290 TraceCheckUtils]: 1: Hoare triple {7363#true} assume true; {7363#true} is VALID [2022-04-28 10:21:08,147 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {7363#true} {7363#true} #63#return; {7363#true} is VALID [2022-04-28 10:21:08,148 INFO L272 TraceCheckUtils]: 0: Hoare triple {7363#true} call ULTIMATE.init(); {7386#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 10:21:08,148 INFO L290 TraceCheckUtils]: 1: Hoare triple {7386#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {7363#true} is VALID [2022-04-28 10:21:08,148 INFO L290 TraceCheckUtils]: 2: Hoare triple {7363#true} assume true; {7363#true} is VALID [2022-04-28 10:21:08,148 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {7363#true} {7363#true} #63#return; {7363#true} is VALID [2022-04-28 10:21:08,148 INFO L272 TraceCheckUtils]: 4: Hoare triple {7363#true} call #t~ret7 := main(); {7363#true} is VALID [2022-04-28 10:21:08,148 INFO L290 TraceCheckUtils]: 5: Hoare triple {7363#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {7363#true} is VALID [2022-04-28 10:21:08,148 INFO L290 TraceCheckUtils]: 6: Hoare triple {7363#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {7363#true} is VALID [2022-04-28 10:21:08,149 INFO L290 TraceCheckUtils]: 7: Hoare triple {7363#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {7368#(= main_~z~0 0)} is VALID [2022-04-28 10:21:08,149 INFO L290 TraceCheckUtils]: 8: Hoare triple {7368#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7369#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:21:08,150 INFO L290 TraceCheckUtils]: 9: Hoare triple {7369#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7370#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:21:08,150 INFO L290 TraceCheckUtils]: 10: Hoare triple {7370#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7371#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:21:08,151 INFO L290 TraceCheckUtils]: 11: Hoare triple {7371#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7372#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:21:08,151 INFO L290 TraceCheckUtils]: 12: Hoare triple {7372#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7373#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:21:08,152 INFO L290 TraceCheckUtils]: 13: Hoare triple {7373#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7374#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:21:08,152 INFO L290 TraceCheckUtils]: 14: Hoare triple {7374#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7375#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:21:08,153 INFO L290 TraceCheckUtils]: 15: Hoare triple {7375#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7376#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:21:08,153 INFO L290 TraceCheckUtils]: 16: Hoare triple {7376#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7377#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:21:08,154 INFO L290 TraceCheckUtils]: 17: Hoare triple {7377#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7378#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:21:08,154 INFO L290 TraceCheckUtils]: 18: Hoare triple {7378#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7379#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:21:08,155 INFO L290 TraceCheckUtils]: 19: Hoare triple {7379#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7380#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:21:08,155 INFO L290 TraceCheckUtils]: 20: Hoare triple {7380#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7381#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:21:08,156 INFO L290 TraceCheckUtils]: 21: Hoare triple {7381#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7382#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:21:08,157 INFO L290 TraceCheckUtils]: 22: Hoare triple {7382#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7383#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:21:08,157 INFO L290 TraceCheckUtils]: 23: Hoare triple {7383#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7384#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:21:08,158 INFO L290 TraceCheckUtils]: 24: Hoare triple {7384#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7385#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 17))} is VALID [2022-04-28 10:21:08,158 INFO L290 TraceCheckUtils]: 25: Hoare triple {7385#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 17))} assume !(~z~0 % 4294967296 < 268435455); {7364#false} is VALID [2022-04-28 10:21:08,158 INFO L272 TraceCheckUtils]: 26: Hoare triple {7364#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {7364#false} is VALID [2022-04-28 10:21:08,158 INFO L290 TraceCheckUtils]: 27: Hoare triple {7364#false} ~cond := #in~cond; {7364#false} is VALID [2022-04-28 10:21:08,158 INFO L290 TraceCheckUtils]: 28: Hoare triple {7364#false} assume 0 == ~cond; {7364#false} is VALID [2022-04-28 10:21:08,158 INFO L290 TraceCheckUtils]: 29: Hoare triple {7364#false} assume !false; {7364#false} is VALID [2022-04-28 10:21:08,159 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:21:08,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 10:21:08,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688476304] [2022-04-28 10:21:08,159 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688476304] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 10:21:08,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [359017766] [2022-04-28 10:21:08,159 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-28 10:21:08,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:21:08,159 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 10:21:08,160 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 10:21:08,164 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-04-28 10:21:08,197 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-28 10:21:08,198 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 10:21:08,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 37 conjunts are in the unsatisfiable core [2022-04-28 10:21:08,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:21:08,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 10:21:08,479 INFO L272 TraceCheckUtils]: 0: Hoare triple {7363#true} call ULTIMATE.init(); {7363#true} is VALID [2022-04-28 10:21:08,479 INFO L290 TraceCheckUtils]: 1: Hoare triple {7363#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {7363#true} is VALID [2022-04-28 10:21:08,479 INFO L290 TraceCheckUtils]: 2: Hoare triple {7363#true} assume true; {7363#true} is VALID [2022-04-28 10:21:08,480 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {7363#true} {7363#true} #63#return; {7363#true} is VALID [2022-04-28 10:21:08,480 INFO L272 TraceCheckUtils]: 4: Hoare triple {7363#true} call #t~ret7 := main(); {7363#true} is VALID [2022-04-28 10:21:08,480 INFO L290 TraceCheckUtils]: 5: Hoare triple {7363#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {7363#true} is VALID [2022-04-28 10:21:08,480 INFO L290 TraceCheckUtils]: 6: Hoare triple {7363#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {7363#true} is VALID [2022-04-28 10:21:08,480 INFO L290 TraceCheckUtils]: 7: Hoare triple {7363#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {7368#(= main_~z~0 0)} is VALID [2022-04-28 10:21:08,480 INFO L290 TraceCheckUtils]: 8: Hoare triple {7368#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7369#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:21:08,481 INFO L290 TraceCheckUtils]: 9: Hoare triple {7369#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7370#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:21:08,481 INFO L290 TraceCheckUtils]: 10: Hoare triple {7370#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7371#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:21:08,482 INFO L290 TraceCheckUtils]: 11: Hoare triple {7371#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7372#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:21:08,482 INFO L290 TraceCheckUtils]: 12: Hoare triple {7372#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7373#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:21:08,483 INFO L290 TraceCheckUtils]: 13: Hoare triple {7373#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7374#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:21:08,483 INFO L290 TraceCheckUtils]: 14: Hoare triple {7374#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7375#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:21:08,484 INFO L290 TraceCheckUtils]: 15: Hoare triple {7375#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7376#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:21:08,484 INFO L290 TraceCheckUtils]: 16: Hoare triple {7376#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7377#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:21:08,485 INFO L290 TraceCheckUtils]: 17: Hoare triple {7377#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7378#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:21:08,485 INFO L290 TraceCheckUtils]: 18: Hoare triple {7378#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7379#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:21:08,486 INFO L290 TraceCheckUtils]: 19: Hoare triple {7379#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7380#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:21:08,486 INFO L290 TraceCheckUtils]: 20: Hoare triple {7380#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7381#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:21:08,487 INFO L290 TraceCheckUtils]: 21: Hoare triple {7381#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7382#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:21:08,488 INFO L290 TraceCheckUtils]: 22: Hoare triple {7382#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7383#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:21:08,488 INFO L290 TraceCheckUtils]: 23: Hoare triple {7383#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7384#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:21:08,489 INFO L290 TraceCheckUtils]: 24: Hoare triple {7384#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7462#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:21:08,489 INFO L290 TraceCheckUtils]: 25: Hoare triple {7462#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !(~z~0 % 4294967296 < 268435455); {7364#false} is VALID [2022-04-28 10:21:08,489 INFO L272 TraceCheckUtils]: 26: Hoare triple {7364#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {7364#false} is VALID [2022-04-28 10:21:08,489 INFO L290 TraceCheckUtils]: 27: Hoare triple {7364#false} ~cond := #in~cond; {7364#false} is VALID [2022-04-28 10:21:08,489 INFO L290 TraceCheckUtils]: 28: Hoare triple {7364#false} assume 0 == ~cond; {7364#false} is VALID [2022-04-28 10:21:08,489 INFO L290 TraceCheckUtils]: 29: Hoare triple {7364#false} assume !false; {7364#false} is VALID [2022-04-28 10:21:08,490 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:21:08,490 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 10:21:09,062 INFO L290 TraceCheckUtils]: 29: Hoare triple {7364#false} assume !false; {7364#false} is VALID [2022-04-28 10:21:09,062 INFO L290 TraceCheckUtils]: 28: Hoare triple {7364#false} assume 0 == ~cond; {7364#false} is VALID [2022-04-28 10:21:09,062 INFO L290 TraceCheckUtils]: 27: Hoare triple {7364#false} ~cond := #in~cond; {7364#false} is VALID [2022-04-28 10:21:09,062 INFO L272 TraceCheckUtils]: 26: Hoare triple {7364#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {7364#false} is VALID [2022-04-28 10:21:09,063 INFO L290 TraceCheckUtils]: 25: Hoare triple {7490#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {7364#false} is VALID [2022-04-28 10:21:09,064 INFO L290 TraceCheckUtils]: 24: Hoare triple {7494#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7490#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 10:21:09,064 INFO L290 TraceCheckUtils]: 23: Hoare triple {7498#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7494#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 10:21:09,065 INFO L290 TraceCheckUtils]: 22: Hoare triple {7502#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7498#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 10:21:09,066 INFO L290 TraceCheckUtils]: 21: Hoare triple {7506#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7502#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 10:21:09,066 INFO L290 TraceCheckUtils]: 20: Hoare triple {7510#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7506#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 10:21:09,067 INFO L290 TraceCheckUtils]: 19: Hoare triple {7514#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7510#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:21:09,067 INFO L290 TraceCheckUtils]: 18: Hoare triple {7518#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7514#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} is VALID [2022-04-28 10:21:09,068 INFO L290 TraceCheckUtils]: 17: Hoare triple {7522#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7518#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:21:09,069 INFO L290 TraceCheckUtils]: 16: Hoare triple {7526#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7522#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} is VALID [2022-04-28 10:21:09,069 INFO L290 TraceCheckUtils]: 15: Hoare triple {7530#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7526#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} is VALID [2022-04-28 10:21:09,070 INFO L290 TraceCheckUtils]: 14: Hoare triple {7534#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7530#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} is VALID [2022-04-28 10:21:09,070 INFO L290 TraceCheckUtils]: 13: Hoare triple {7538#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7534#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} is VALID [2022-04-28 10:21:09,071 INFO L290 TraceCheckUtils]: 12: Hoare triple {7542#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7538#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} is VALID [2022-04-28 10:21:09,072 INFO L290 TraceCheckUtils]: 11: Hoare triple {7546#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7542#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} is VALID [2022-04-28 10:21:09,072 INFO L290 TraceCheckUtils]: 10: Hoare triple {7550#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7546#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} is VALID [2022-04-28 10:21:09,073 INFO L290 TraceCheckUtils]: 9: Hoare triple {7554#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7550#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} is VALID [2022-04-28 10:21:09,073 INFO L290 TraceCheckUtils]: 8: Hoare triple {7558#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7554#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} is VALID [2022-04-28 10:21:09,074 INFO L290 TraceCheckUtils]: 7: Hoare triple {7363#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {7558#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} is VALID [2022-04-28 10:21:09,074 INFO L290 TraceCheckUtils]: 6: Hoare triple {7363#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {7363#true} is VALID [2022-04-28 10:21:09,074 INFO L290 TraceCheckUtils]: 5: Hoare triple {7363#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {7363#true} is VALID [2022-04-28 10:21:09,074 INFO L272 TraceCheckUtils]: 4: Hoare triple {7363#true} call #t~ret7 := main(); {7363#true} is VALID [2022-04-28 10:21:09,074 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {7363#true} {7363#true} #63#return; {7363#true} is VALID [2022-04-28 10:21:09,074 INFO L290 TraceCheckUtils]: 2: Hoare triple {7363#true} assume true; {7363#true} is VALID [2022-04-28 10:21:09,074 INFO L290 TraceCheckUtils]: 1: Hoare triple {7363#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {7363#true} is VALID [2022-04-28 10:21:09,074 INFO L272 TraceCheckUtils]: 0: Hoare triple {7363#true} call ULTIMATE.init(); {7363#true} is VALID [2022-04-28 10:21:09,075 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:21:09,075 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [359017766] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 10:21:09,075 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 10:21:09,075 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 20, 20] total 40 [2022-04-28 10:21:09,075 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 10:21:09,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1034079333] [2022-04-28 10:21:09,075 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1034079333] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 10:21:09,075 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 10:21:09,075 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2022-04-28 10:21:09,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854999420] [2022-04-28 10:21:09,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 10:21:09,076 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 20 states have internal predecessors, (26), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2022-04-28 10:21:09,076 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 10:21:09,076 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 21 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 20 states have internal predecessors, (26), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:21:09,094 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 30 edges. 30 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:21:09,094 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-04-28 10:21:09,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 10:21:09,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-04-28 10:21:09,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=437, Invalid=1123, Unknown=0, NotChecked=0, Total=1560 [2022-04-28 10:21:09,095 INFO L87 Difference]: Start difference. First operand 39 states and 43 transitions. Second operand has 21 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 20 states have internal predecessors, (26), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:21:10,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:21:10,172 INFO L93 Difference]: Finished difference Result 73 states and 82 transitions. [2022-04-28 10:21:10,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-04-28 10:21:10,172 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 20 states have internal predecessors, (26), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2022-04-28 10:21:10,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 10:21:10,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 20 states have internal predecessors, (26), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:21:10,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 63 transitions. [2022-04-28 10:21:10,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 20 states have internal predecessors, (26), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:21:10,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 63 transitions. [2022-04-28 10:21:10,174 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 21 states and 63 transitions. [2022-04-28 10:21:10,219 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 63 edges. 63 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:21:10,219 INFO L225 Difference]: With dead ends: 73 [2022-04-28 10:21:10,220 INFO L226 Difference]: Without dead ends: 41 [2022-04-28 10:21:10,220 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 44 SyntacticMatches, 1 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 193 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=867, Invalid=2439, Unknown=0, NotChecked=0, Total=3306 [2022-04-28 10:21:10,221 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 17 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 539 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-04-28 10:21:10,221 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 88 Invalid, 580 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 539 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-04-28 10:21:10,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2022-04-28 10:21:10,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 40. [2022-04-28 10:21:10,252 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 10:21:10,252 INFO L82 GeneralOperation]: Start isEquivalent. First operand 41 states. Second operand has 40 states, 32 states have (on average 1.125) internal successors, (36), 33 states have internal predecessors, (36), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:21:10,252 INFO L74 IsIncluded]: Start isIncluded. First operand 41 states. Second operand has 40 states, 32 states have (on average 1.125) internal successors, (36), 33 states have internal predecessors, (36), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:21:10,252 INFO L87 Difference]: Start difference. First operand 41 states. Second operand has 40 states, 32 states have (on average 1.125) internal successors, (36), 33 states have internal predecessors, (36), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:21:10,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:21:10,253 INFO L93 Difference]: Finished difference Result 41 states and 45 transitions. [2022-04-28 10:21:10,253 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 45 transitions. [2022-04-28 10:21:10,253 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:21:10,253 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:21:10,253 INFO L74 IsIncluded]: Start isIncluded. First operand has 40 states, 32 states have (on average 1.125) internal successors, (36), 33 states have internal predecessors, (36), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 41 states. [2022-04-28 10:21:10,253 INFO L87 Difference]: Start difference. First operand has 40 states, 32 states have (on average 1.125) internal successors, (36), 33 states have internal predecessors, (36), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 41 states. [2022-04-28 10:21:10,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:21:10,254 INFO L93 Difference]: Finished difference Result 41 states and 45 transitions. [2022-04-28 10:21:10,254 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 45 transitions. [2022-04-28 10:21:10,254 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:21:10,254 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:21:10,254 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 10:21:10,254 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 10:21:10,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 32 states have (on average 1.125) internal successors, (36), 33 states have internal predecessors, (36), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:21:10,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 44 transitions. [2022-04-28 10:21:10,259 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 44 transitions. Word has length 30 [2022-04-28 10:21:10,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 10:21:10,259 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 44 transitions. [2022-04-28 10:21:10,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 20 states have internal predecessors, (26), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:21:10,259 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 40 states and 44 transitions. [2022-04-28 10:21:10,304 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 44 edges. 44 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:21:10,304 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 44 transitions. [2022-04-28 10:21:10,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-04-28 10:21:10,304 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 10:21:10,304 INFO L195 NwaCegarLoop]: trace histogram [18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 10:21:10,322 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2022-04-28 10:21:10,505 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:21:10,505 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 10:21:10,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 10:21:10,505 INFO L85 PathProgramCache]: Analyzing trace with hash 1928693570, now seen corresponding path program 35 times [2022-04-28 10:21:10,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 10:21:10,506 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1398686063] [2022-04-28 10:21:10,507 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-28 10:21:10,508 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-28 10:21:10,508 INFO L85 PathProgramCache]: Analyzing trace with hash 1928693570, now seen corresponding path program 36 times [2022-04-28 10:21:10,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 10:21:10,508 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444127797] [2022-04-28 10:21:10,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 10:21:10,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 10:21:10,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:21:10,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 10:21:10,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:21:10,829 INFO L290 TraceCheckUtils]: 0: Hoare triple {7954#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {7930#true} is VALID [2022-04-28 10:21:10,829 INFO L290 TraceCheckUtils]: 1: Hoare triple {7930#true} assume true; {7930#true} is VALID [2022-04-28 10:21:10,829 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {7930#true} {7930#true} #63#return; {7930#true} is VALID [2022-04-28 10:21:10,829 INFO L272 TraceCheckUtils]: 0: Hoare triple {7930#true} call ULTIMATE.init(); {7954#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 10:21:10,829 INFO L290 TraceCheckUtils]: 1: Hoare triple {7954#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {7930#true} is VALID [2022-04-28 10:21:10,829 INFO L290 TraceCheckUtils]: 2: Hoare triple {7930#true} assume true; {7930#true} is VALID [2022-04-28 10:21:10,830 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {7930#true} {7930#true} #63#return; {7930#true} is VALID [2022-04-28 10:21:10,830 INFO L272 TraceCheckUtils]: 4: Hoare triple {7930#true} call #t~ret7 := main(); {7930#true} is VALID [2022-04-28 10:21:10,830 INFO L290 TraceCheckUtils]: 5: Hoare triple {7930#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {7930#true} is VALID [2022-04-28 10:21:10,830 INFO L290 TraceCheckUtils]: 6: Hoare triple {7930#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {7930#true} is VALID [2022-04-28 10:21:10,830 INFO L290 TraceCheckUtils]: 7: Hoare triple {7930#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {7935#(= main_~z~0 0)} is VALID [2022-04-28 10:21:10,830 INFO L290 TraceCheckUtils]: 8: Hoare triple {7935#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7936#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:21:10,831 INFO L290 TraceCheckUtils]: 9: Hoare triple {7936#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7937#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:21:10,832 INFO L290 TraceCheckUtils]: 10: Hoare triple {7937#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7938#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:21:10,832 INFO L290 TraceCheckUtils]: 11: Hoare triple {7938#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7939#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:21:10,833 INFO L290 TraceCheckUtils]: 12: Hoare triple {7939#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7940#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:21:10,833 INFO L290 TraceCheckUtils]: 13: Hoare triple {7940#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7941#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:21:10,834 INFO L290 TraceCheckUtils]: 14: Hoare triple {7941#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7942#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:21:10,834 INFO L290 TraceCheckUtils]: 15: Hoare triple {7942#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7943#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:21:10,835 INFO L290 TraceCheckUtils]: 16: Hoare triple {7943#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7944#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:21:10,835 INFO L290 TraceCheckUtils]: 17: Hoare triple {7944#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7945#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:21:10,836 INFO L290 TraceCheckUtils]: 18: Hoare triple {7945#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7946#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:21:10,836 INFO L290 TraceCheckUtils]: 19: Hoare triple {7946#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7947#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:21:10,837 INFO L290 TraceCheckUtils]: 20: Hoare triple {7947#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7948#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:21:10,837 INFO L290 TraceCheckUtils]: 21: Hoare triple {7948#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7949#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:21:10,838 INFO L290 TraceCheckUtils]: 22: Hoare triple {7949#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7950#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:21:10,838 INFO L290 TraceCheckUtils]: 23: Hoare triple {7950#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7951#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:21:10,839 INFO L290 TraceCheckUtils]: 24: Hoare triple {7951#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7952#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:21:10,839 INFO L290 TraceCheckUtils]: 25: Hoare triple {7952#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7953#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 18))} is VALID [2022-04-28 10:21:10,840 INFO L290 TraceCheckUtils]: 26: Hoare triple {7953#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 18))} assume !(~z~0 % 4294967296 < 268435455); {7931#false} is VALID [2022-04-28 10:21:10,840 INFO L272 TraceCheckUtils]: 27: Hoare triple {7931#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {7931#false} is VALID [2022-04-28 10:21:10,840 INFO L290 TraceCheckUtils]: 28: Hoare triple {7931#false} ~cond := #in~cond; {7931#false} is VALID [2022-04-28 10:21:10,840 INFO L290 TraceCheckUtils]: 29: Hoare triple {7931#false} assume 0 == ~cond; {7931#false} is VALID [2022-04-28 10:21:10,840 INFO L290 TraceCheckUtils]: 30: Hoare triple {7931#false} assume !false; {7931#false} is VALID [2022-04-28 10:21:10,840 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:21:10,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 10:21:10,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444127797] [2022-04-28 10:21:10,840 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444127797] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 10:21:10,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1880375031] [2022-04-28 10:21:10,841 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-04-28 10:21:10,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:21:10,841 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 10:21:10,842 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 10:21:10,843 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-04-28 10:21:11,003 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2022-04-28 10:21:11,003 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 10:21:11,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 39 conjunts are in the unsatisfiable core [2022-04-28 10:21:11,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:21:11,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 10:21:11,320 INFO L272 TraceCheckUtils]: 0: Hoare triple {7930#true} call ULTIMATE.init(); {7930#true} is VALID [2022-04-28 10:21:11,320 INFO L290 TraceCheckUtils]: 1: Hoare triple {7930#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {7930#true} is VALID [2022-04-28 10:21:11,320 INFO L290 TraceCheckUtils]: 2: Hoare triple {7930#true} assume true; {7930#true} is VALID [2022-04-28 10:21:11,321 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {7930#true} {7930#true} #63#return; {7930#true} is VALID [2022-04-28 10:21:11,321 INFO L272 TraceCheckUtils]: 4: Hoare triple {7930#true} call #t~ret7 := main(); {7930#true} is VALID [2022-04-28 10:21:11,321 INFO L290 TraceCheckUtils]: 5: Hoare triple {7930#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {7930#true} is VALID [2022-04-28 10:21:11,321 INFO L290 TraceCheckUtils]: 6: Hoare triple {7930#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {7930#true} is VALID [2022-04-28 10:21:11,321 INFO L290 TraceCheckUtils]: 7: Hoare triple {7930#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {7935#(= main_~z~0 0)} is VALID [2022-04-28 10:21:11,321 INFO L290 TraceCheckUtils]: 8: Hoare triple {7935#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7936#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:21:11,322 INFO L290 TraceCheckUtils]: 9: Hoare triple {7936#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7937#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:21:11,322 INFO L290 TraceCheckUtils]: 10: Hoare triple {7937#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7938#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:21:11,323 INFO L290 TraceCheckUtils]: 11: Hoare triple {7938#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7939#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:21:11,323 INFO L290 TraceCheckUtils]: 12: Hoare triple {7939#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7940#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:21:11,324 INFO L290 TraceCheckUtils]: 13: Hoare triple {7940#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7941#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:21:11,324 INFO L290 TraceCheckUtils]: 14: Hoare triple {7941#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7942#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:21:11,325 INFO L290 TraceCheckUtils]: 15: Hoare triple {7942#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7943#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:21:11,325 INFO L290 TraceCheckUtils]: 16: Hoare triple {7943#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7944#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:21:11,326 INFO L290 TraceCheckUtils]: 17: Hoare triple {7944#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7945#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:21:11,326 INFO L290 TraceCheckUtils]: 18: Hoare triple {7945#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7946#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:21:11,327 INFO L290 TraceCheckUtils]: 19: Hoare triple {7946#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7947#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:21:11,327 INFO L290 TraceCheckUtils]: 20: Hoare triple {7947#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7948#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:21:11,328 INFO L290 TraceCheckUtils]: 21: Hoare triple {7948#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7949#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:21:11,328 INFO L290 TraceCheckUtils]: 22: Hoare triple {7949#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7950#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:21:11,328 INFO L290 TraceCheckUtils]: 23: Hoare triple {7950#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7951#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:21:11,329 INFO L290 TraceCheckUtils]: 24: Hoare triple {7951#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {7952#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:21:11,329 INFO L290 TraceCheckUtils]: 25: Hoare triple {7952#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8033#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:21:11,330 INFO L290 TraceCheckUtils]: 26: Hoare triple {8033#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !(~z~0 % 4294967296 < 268435455); {7931#false} is VALID [2022-04-28 10:21:11,330 INFO L272 TraceCheckUtils]: 27: Hoare triple {7931#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {7931#false} is VALID [2022-04-28 10:21:11,330 INFO L290 TraceCheckUtils]: 28: Hoare triple {7931#false} ~cond := #in~cond; {7931#false} is VALID [2022-04-28 10:21:11,330 INFO L290 TraceCheckUtils]: 29: Hoare triple {7931#false} assume 0 == ~cond; {7931#false} is VALID [2022-04-28 10:21:11,330 INFO L290 TraceCheckUtils]: 30: Hoare triple {7931#false} assume !false; {7931#false} is VALID [2022-04-28 10:21:11,330 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:21:11,330 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 10:21:11,943 INFO L290 TraceCheckUtils]: 30: Hoare triple {7931#false} assume !false; {7931#false} is VALID [2022-04-28 10:21:11,943 INFO L290 TraceCheckUtils]: 29: Hoare triple {7931#false} assume 0 == ~cond; {7931#false} is VALID [2022-04-28 10:21:11,943 INFO L290 TraceCheckUtils]: 28: Hoare triple {7931#false} ~cond := #in~cond; {7931#false} is VALID [2022-04-28 10:21:11,943 INFO L272 TraceCheckUtils]: 27: Hoare triple {7931#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {7931#false} is VALID [2022-04-28 10:21:11,943 INFO L290 TraceCheckUtils]: 26: Hoare triple {8061#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {7931#false} is VALID [2022-04-28 10:21:11,944 INFO L290 TraceCheckUtils]: 25: Hoare triple {8065#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8061#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 10:21:11,944 INFO L290 TraceCheckUtils]: 24: Hoare triple {8069#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8065#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 10:21:11,945 INFO L290 TraceCheckUtils]: 23: Hoare triple {8073#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8069#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 10:21:11,946 INFO L290 TraceCheckUtils]: 22: Hoare triple {8077#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8073#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 10:21:11,946 INFO L290 TraceCheckUtils]: 21: Hoare triple {8081#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8077#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 10:21:11,947 INFO L290 TraceCheckUtils]: 20: Hoare triple {8085#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8081#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:21:11,949 INFO L290 TraceCheckUtils]: 19: Hoare triple {8089#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8085#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} is VALID [2022-04-28 10:21:11,950 INFO L290 TraceCheckUtils]: 18: Hoare triple {8093#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8089#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:21:11,950 INFO L290 TraceCheckUtils]: 17: Hoare triple {8097#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8093#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} is VALID [2022-04-28 10:21:11,951 INFO L290 TraceCheckUtils]: 16: Hoare triple {8101#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8097#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} is VALID [2022-04-28 10:21:11,951 INFO L290 TraceCheckUtils]: 15: Hoare triple {8105#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8101#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} is VALID [2022-04-28 10:21:11,952 INFO L290 TraceCheckUtils]: 14: Hoare triple {8109#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8105#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} is VALID [2022-04-28 10:21:11,952 INFO L290 TraceCheckUtils]: 13: Hoare triple {8113#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8109#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} is VALID [2022-04-28 10:21:11,953 INFO L290 TraceCheckUtils]: 12: Hoare triple {8117#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8113#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} is VALID [2022-04-28 10:21:11,954 INFO L290 TraceCheckUtils]: 11: Hoare triple {8121#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8117#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} is VALID [2022-04-28 10:21:11,954 INFO L290 TraceCheckUtils]: 10: Hoare triple {8125#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8121#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} is VALID [2022-04-28 10:21:11,955 INFO L290 TraceCheckUtils]: 9: Hoare triple {8129#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8125#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} is VALID [2022-04-28 10:21:11,955 INFO L290 TraceCheckUtils]: 8: Hoare triple {8133#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8129#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} is VALID [2022-04-28 10:21:11,956 INFO L290 TraceCheckUtils]: 7: Hoare triple {7930#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {8133#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} is VALID [2022-04-28 10:21:11,956 INFO L290 TraceCheckUtils]: 6: Hoare triple {7930#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {7930#true} is VALID [2022-04-28 10:21:11,956 INFO L290 TraceCheckUtils]: 5: Hoare triple {7930#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {7930#true} is VALID [2022-04-28 10:21:11,956 INFO L272 TraceCheckUtils]: 4: Hoare triple {7930#true} call #t~ret7 := main(); {7930#true} is VALID [2022-04-28 10:21:11,956 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {7930#true} {7930#true} #63#return; {7930#true} is VALID [2022-04-28 10:21:11,956 INFO L290 TraceCheckUtils]: 2: Hoare triple {7930#true} assume true; {7930#true} is VALID [2022-04-28 10:21:11,956 INFO L290 TraceCheckUtils]: 1: Hoare triple {7930#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {7930#true} is VALID [2022-04-28 10:21:11,956 INFO L272 TraceCheckUtils]: 0: Hoare triple {7930#true} call ULTIMATE.init(); {7930#true} is VALID [2022-04-28 10:21:11,956 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:21:11,956 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1880375031] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 10:21:11,956 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 10:21:11,957 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 21, 21] total 42 [2022-04-28 10:21:11,957 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 10:21:11,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1398686063] [2022-04-28 10:21:11,957 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1398686063] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 10:21:11,957 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 10:21:11,957 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-04-28 10:21:11,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087074869] [2022-04-28 10:21:11,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 10:21:11,957 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 21 states have internal predecessors, (27), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2022-04-28 10:21:11,957 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 10:21:11,958 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 22 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 21 states have internal predecessors, (27), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:21:11,976 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 31 edges. 31 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:21:11,977 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-04-28 10:21:11,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 10:21:11,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-04-28 10:21:11,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=480, Invalid=1242, Unknown=0, NotChecked=0, Total=1722 [2022-04-28 10:21:11,978 INFO L87 Difference]: Start difference. First operand 40 states and 44 transitions. Second operand has 22 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 21 states have internal predecessors, (27), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:21:13,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:21:13,057 INFO L93 Difference]: Finished difference Result 75 states and 84 transitions. [2022-04-28 10:21:13,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-04-28 10:21:13,058 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 21 states have internal predecessors, (27), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2022-04-28 10:21:13,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 10:21:13,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 21 states have internal predecessors, (27), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:21:13,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 64 transitions. [2022-04-28 10:21:13,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 21 states have internal predecessors, (27), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:21:13,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 64 transitions. [2022-04-28 10:21:13,059 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 22 states and 64 transitions. [2022-04-28 10:21:13,101 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 64 edges. 64 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:21:13,101 INFO L225 Difference]: With dead ends: 75 [2022-04-28 10:21:13,102 INFO L226 Difference]: Without dead ends: 42 [2022-04-28 10:21:13,103 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 45 SyntacticMatches, 1 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 213 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=953, Invalid=2707, Unknown=0, NotChecked=0, Total=3660 [2022-04-28 10:21:13,103 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 17 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 577 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 620 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 577 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-04-28 10:21:13,103 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 88 Invalid, 620 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 577 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-04-28 10:21:13,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2022-04-28 10:21:13,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 41. [2022-04-28 10:21:13,130 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 10:21:13,130 INFO L82 GeneralOperation]: Start isEquivalent. First operand 42 states. Second operand has 41 states, 33 states have (on average 1.121212121212121) internal successors, (37), 34 states have internal predecessors, (37), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:21:13,130 INFO L74 IsIncluded]: Start isIncluded. First operand 42 states. Second operand has 41 states, 33 states have (on average 1.121212121212121) internal successors, (37), 34 states have internal predecessors, (37), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:21:13,130 INFO L87 Difference]: Start difference. First operand 42 states. Second operand has 41 states, 33 states have (on average 1.121212121212121) internal successors, (37), 34 states have internal predecessors, (37), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:21:13,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:21:13,131 INFO L93 Difference]: Finished difference Result 42 states and 46 transitions. [2022-04-28 10:21:13,131 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 46 transitions. [2022-04-28 10:21:13,131 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:21:13,131 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:21:13,131 INFO L74 IsIncluded]: Start isIncluded. First operand has 41 states, 33 states have (on average 1.121212121212121) internal successors, (37), 34 states have internal predecessors, (37), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 42 states. [2022-04-28 10:21:13,131 INFO L87 Difference]: Start difference. First operand has 41 states, 33 states have (on average 1.121212121212121) internal successors, (37), 34 states have internal predecessors, (37), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 42 states. [2022-04-28 10:21:13,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:21:13,132 INFO L93 Difference]: Finished difference Result 42 states and 46 transitions. [2022-04-28 10:21:13,132 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 46 transitions. [2022-04-28 10:21:13,132 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:21:13,132 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:21:13,132 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 10:21:13,132 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 10:21:13,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 33 states have (on average 1.121212121212121) internal successors, (37), 34 states have internal predecessors, (37), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:21:13,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 45 transitions. [2022-04-28 10:21:13,133 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 45 transitions. Word has length 31 [2022-04-28 10:21:13,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 10:21:13,133 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 45 transitions. [2022-04-28 10:21:13,133 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 21 states have internal predecessors, (27), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:21:13,133 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 41 states and 45 transitions. [2022-04-28 10:21:13,172 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 45 edges. 45 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:21:13,172 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 45 transitions. [2022-04-28 10:21:13,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-04-28 10:21:13,172 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 10:21:13,172 INFO L195 NwaCegarLoop]: trace histogram [19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 10:21:13,176 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2022-04-28 10:21:13,373 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:21:13,373 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 10:21:13,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 10:21:13,373 INFO L85 PathProgramCache]: Analyzing trace with hash -313738910, now seen corresponding path program 37 times [2022-04-28 10:21:13,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 10:21:13,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [2126856729] [2022-04-28 10:21:13,375 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-28 10:21:13,375 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-28 10:21:13,376 INFO L85 PathProgramCache]: Analyzing trace with hash -313738910, now seen corresponding path program 38 times [2022-04-28 10:21:13,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 10:21:13,376 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004057864] [2022-04-28 10:21:13,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 10:21:13,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 10:21:13,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:21:13,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 10:21:13,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:21:13,705 INFO L290 TraceCheckUtils]: 0: Hoare triple {8540#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {8515#true} is VALID [2022-04-28 10:21:13,705 INFO L290 TraceCheckUtils]: 1: Hoare triple {8515#true} assume true; {8515#true} is VALID [2022-04-28 10:21:13,705 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {8515#true} {8515#true} #63#return; {8515#true} is VALID [2022-04-28 10:21:13,706 INFO L272 TraceCheckUtils]: 0: Hoare triple {8515#true} call ULTIMATE.init(); {8540#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 10:21:13,706 INFO L290 TraceCheckUtils]: 1: Hoare triple {8540#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {8515#true} is VALID [2022-04-28 10:21:13,706 INFO L290 TraceCheckUtils]: 2: Hoare triple {8515#true} assume true; {8515#true} is VALID [2022-04-28 10:21:13,706 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {8515#true} {8515#true} #63#return; {8515#true} is VALID [2022-04-28 10:21:13,706 INFO L272 TraceCheckUtils]: 4: Hoare triple {8515#true} call #t~ret7 := main(); {8515#true} is VALID [2022-04-28 10:21:13,706 INFO L290 TraceCheckUtils]: 5: Hoare triple {8515#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {8515#true} is VALID [2022-04-28 10:21:13,706 INFO L290 TraceCheckUtils]: 6: Hoare triple {8515#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {8515#true} is VALID [2022-04-28 10:21:13,706 INFO L290 TraceCheckUtils]: 7: Hoare triple {8515#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {8520#(= main_~z~0 0)} is VALID [2022-04-28 10:21:13,708 INFO L290 TraceCheckUtils]: 8: Hoare triple {8520#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8521#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:21:13,709 INFO L290 TraceCheckUtils]: 9: Hoare triple {8521#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8522#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:21:13,710 INFO L290 TraceCheckUtils]: 10: Hoare triple {8522#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8523#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:21:13,710 INFO L290 TraceCheckUtils]: 11: Hoare triple {8523#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8524#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:21:13,711 INFO L290 TraceCheckUtils]: 12: Hoare triple {8524#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8525#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:21:13,711 INFO L290 TraceCheckUtils]: 13: Hoare triple {8525#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8526#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:21:13,712 INFO L290 TraceCheckUtils]: 14: Hoare triple {8526#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8527#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:21:13,712 INFO L290 TraceCheckUtils]: 15: Hoare triple {8527#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8528#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:21:13,713 INFO L290 TraceCheckUtils]: 16: Hoare triple {8528#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8529#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:21:13,713 INFO L290 TraceCheckUtils]: 17: Hoare triple {8529#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8530#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:21:13,713 INFO L290 TraceCheckUtils]: 18: Hoare triple {8530#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8531#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:21:13,714 INFO L290 TraceCheckUtils]: 19: Hoare triple {8531#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8532#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:21:13,714 INFO L290 TraceCheckUtils]: 20: Hoare triple {8532#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8533#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:21:13,715 INFO L290 TraceCheckUtils]: 21: Hoare triple {8533#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8534#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:21:13,715 INFO L290 TraceCheckUtils]: 22: Hoare triple {8534#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8535#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:21:13,716 INFO L290 TraceCheckUtils]: 23: Hoare triple {8535#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8536#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:21:13,716 INFO L290 TraceCheckUtils]: 24: Hoare triple {8536#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8537#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:21:13,717 INFO L290 TraceCheckUtils]: 25: Hoare triple {8537#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8538#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:21:13,717 INFO L290 TraceCheckUtils]: 26: Hoare triple {8538#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8539#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 19))} is VALID [2022-04-28 10:21:13,718 INFO L290 TraceCheckUtils]: 27: Hoare triple {8539#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 19))} assume !(~z~0 % 4294967296 < 268435455); {8516#false} is VALID [2022-04-28 10:21:13,718 INFO L272 TraceCheckUtils]: 28: Hoare triple {8516#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {8516#false} is VALID [2022-04-28 10:21:13,718 INFO L290 TraceCheckUtils]: 29: Hoare triple {8516#false} ~cond := #in~cond; {8516#false} is VALID [2022-04-28 10:21:13,718 INFO L290 TraceCheckUtils]: 30: Hoare triple {8516#false} assume 0 == ~cond; {8516#false} is VALID [2022-04-28 10:21:13,718 INFO L290 TraceCheckUtils]: 31: Hoare triple {8516#false} assume !false; {8516#false} is VALID [2022-04-28 10:21:13,719 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:21:13,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 10:21:13,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004057864] [2022-04-28 10:21:13,719 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004057864] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 10:21:13,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [250789847] [2022-04-28 10:21:13,719 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-28 10:21:13,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:21:13,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 10:21:13,720 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 10:21:13,723 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2022-04-28 10:21:13,769 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-28 10:21:13,769 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 10:21:13,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 41 conjunts are in the unsatisfiable core [2022-04-28 10:21:13,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:21:13,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 10:21:14,077 INFO L272 TraceCheckUtils]: 0: Hoare triple {8515#true} call ULTIMATE.init(); {8515#true} is VALID [2022-04-28 10:21:14,077 INFO L290 TraceCheckUtils]: 1: Hoare triple {8515#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {8515#true} is VALID [2022-04-28 10:21:14,077 INFO L290 TraceCheckUtils]: 2: Hoare triple {8515#true} assume true; {8515#true} is VALID [2022-04-28 10:21:14,078 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {8515#true} {8515#true} #63#return; {8515#true} is VALID [2022-04-28 10:21:14,078 INFO L272 TraceCheckUtils]: 4: Hoare triple {8515#true} call #t~ret7 := main(); {8515#true} is VALID [2022-04-28 10:21:14,078 INFO L290 TraceCheckUtils]: 5: Hoare triple {8515#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {8515#true} is VALID [2022-04-28 10:21:14,078 INFO L290 TraceCheckUtils]: 6: Hoare triple {8515#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {8515#true} is VALID [2022-04-28 10:21:14,078 INFO L290 TraceCheckUtils]: 7: Hoare triple {8515#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {8520#(= main_~z~0 0)} is VALID [2022-04-28 10:21:14,078 INFO L290 TraceCheckUtils]: 8: Hoare triple {8520#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8521#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:21:14,079 INFO L290 TraceCheckUtils]: 9: Hoare triple {8521#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8522#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:21:14,079 INFO L290 TraceCheckUtils]: 10: Hoare triple {8522#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8523#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:21:14,080 INFO L290 TraceCheckUtils]: 11: Hoare triple {8523#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8524#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:21:14,080 INFO L290 TraceCheckUtils]: 12: Hoare triple {8524#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8525#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:21:14,081 INFO L290 TraceCheckUtils]: 13: Hoare triple {8525#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8526#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:21:14,081 INFO L290 TraceCheckUtils]: 14: Hoare triple {8526#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8527#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:21:14,082 INFO L290 TraceCheckUtils]: 15: Hoare triple {8527#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8528#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:21:14,082 INFO L290 TraceCheckUtils]: 16: Hoare triple {8528#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8529#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:21:14,083 INFO L290 TraceCheckUtils]: 17: Hoare triple {8529#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8530#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:21:14,083 INFO L290 TraceCheckUtils]: 18: Hoare triple {8530#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8531#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:21:14,083 INFO L290 TraceCheckUtils]: 19: Hoare triple {8531#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8532#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:21:14,084 INFO L290 TraceCheckUtils]: 20: Hoare triple {8532#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8533#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:21:14,084 INFO L290 TraceCheckUtils]: 21: Hoare triple {8533#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8534#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:21:14,085 INFO L290 TraceCheckUtils]: 22: Hoare triple {8534#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8535#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:21:14,085 INFO L290 TraceCheckUtils]: 23: Hoare triple {8535#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8536#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:21:14,086 INFO L290 TraceCheckUtils]: 24: Hoare triple {8536#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8537#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:21:14,086 INFO L290 TraceCheckUtils]: 25: Hoare triple {8537#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8538#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:21:14,087 INFO L290 TraceCheckUtils]: 26: Hoare triple {8538#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8622#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:21:14,099 INFO L290 TraceCheckUtils]: 27: Hoare triple {8622#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !(~z~0 % 4294967296 < 268435455); {8516#false} is VALID [2022-04-28 10:21:14,099 INFO L272 TraceCheckUtils]: 28: Hoare triple {8516#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {8516#false} is VALID [2022-04-28 10:21:14,099 INFO L290 TraceCheckUtils]: 29: Hoare triple {8516#false} ~cond := #in~cond; {8516#false} is VALID [2022-04-28 10:21:14,099 INFO L290 TraceCheckUtils]: 30: Hoare triple {8516#false} assume 0 == ~cond; {8516#false} is VALID [2022-04-28 10:21:14,099 INFO L290 TraceCheckUtils]: 31: Hoare triple {8516#false} assume !false; {8516#false} is VALID [2022-04-28 10:21:14,100 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:21:14,100 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 10:21:14,761 INFO L290 TraceCheckUtils]: 31: Hoare triple {8516#false} assume !false; {8516#false} is VALID [2022-04-28 10:21:14,761 INFO L290 TraceCheckUtils]: 30: Hoare triple {8516#false} assume 0 == ~cond; {8516#false} is VALID [2022-04-28 10:21:14,761 INFO L290 TraceCheckUtils]: 29: Hoare triple {8516#false} ~cond := #in~cond; {8516#false} is VALID [2022-04-28 10:21:14,761 INFO L272 TraceCheckUtils]: 28: Hoare triple {8516#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {8516#false} is VALID [2022-04-28 10:21:14,762 INFO L290 TraceCheckUtils]: 27: Hoare triple {8650#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {8516#false} is VALID [2022-04-28 10:21:14,772 INFO L290 TraceCheckUtils]: 26: Hoare triple {8654#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8650#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 10:21:14,772 INFO L290 TraceCheckUtils]: 25: Hoare triple {8658#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8654#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 10:21:14,773 INFO L290 TraceCheckUtils]: 24: Hoare triple {8662#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8658#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 10:21:14,773 INFO L290 TraceCheckUtils]: 23: Hoare triple {8666#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8662#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 10:21:14,774 INFO L290 TraceCheckUtils]: 22: Hoare triple {8670#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8666#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 10:21:14,774 INFO L290 TraceCheckUtils]: 21: Hoare triple {8674#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8670#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:21:14,775 INFO L290 TraceCheckUtils]: 20: Hoare triple {8678#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8674#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} is VALID [2022-04-28 10:21:14,776 INFO L290 TraceCheckUtils]: 19: Hoare triple {8682#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8678#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:21:14,776 INFO L290 TraceCheckUtils]: 18: Hoare triple {8686#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8682#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} is VALID [2022-04-28 10:21:14,777 INFO L290 TraceCheckUtils]: 17: Hoare triple {8690#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8686#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} is VALID [2022-04-28 10:21:14,777 INFO L290 TraceCheckUtils]: 16: Hoare triple {8694#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8690#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} is VALID [2022-04-28 10:21:14,778 INFO L290 TraceCheckUtils]: 15: Hoare triple {8698#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8694#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} is VALID [2022-04-28 10:21:14,779 INFO L290 TraceCheckUtils]: 14: Hoare triple {8702#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8698#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} is VALID [2022-04-28 10:21:14,779 INFO L290 TraceCheckUtils]: 13: Hoare triple {8706#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8702#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} is VALID [2022-04-28 10:21:14,780 INFO L290 TraceCheckUtils]: 12: Hoare triple {8710#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8706#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} is VALID [2022-04-28 10:21:14,780 INFO L290 TraceCheckUtils]: 11: Hoare triple {8714#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8710#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} is VALID [2022-04-28 10:21:14,781 INFO L290 TraceCheckUtils]: 10: Hoare triple {8718#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8714#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} is VALID [2022-04-28 10:21:14,781 INFO L290 TraceCheckUtils]: 9: Hoare triple {8722#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8718#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} is VALID [2022-04-28 10:21:14,782 INFO L290 TraceCheckUtils]: 8: Hoare triple {8726#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {8722#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} is VALID [2022-04-28 10:21:14,782 INFO L290 TraceCheckUtils]: 7: Hoare triple {8515#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {8726#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:21:14,782 INFO L290 TraceCheckUtils]: 6: Hoare triple {8515#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {8515#true} is VALID [2022-04-28 10:21:14,782 INFO L290 TraceCheckUtils]: 5: Hoare triple {8515#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {8515#true} is VALID [2022-04-28 10:21:14,783 INFO L272 TraceCheckUtils]: 4: Hoare triple {8515#true} call #t~ret7 := main(); {8515#true} is VALID [2022-04-28 10:21:14,783 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {8515#true} {8515#true} #63#return; {8515#true} is VALID [2022-04-28 10:21:14,783 INFO L290 TraceCheckUtils]: 2: Hoare triple {8515#true} assume true; {8515#true} is VALID [2022-04-28 10:21:14,783 INFO L290 TraceCheckUtils]: 1: Hoare triple {8515#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {8515#true} is VALID [2022-04-28 10:21:14,783 INFO L272 TraceCheckUtils]: 0: Hoare triple {8515#true} call ULTIMATE.init(); {8515#true} is VALID [2022-04-28 10:21:14,783 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:21:14,783 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [250789847] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 10:21:14,783 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 10:21:14,783 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 22, 22] total 44 [2022-04-28 10:21:14,784 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 10:21:14,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [2126856729] [2022-04-28 10:21:14,784 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [2126856729] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 10:21:14,784 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 10:21:14,784 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2022-04-28 10:21:14,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083561884] [2022-04-28 10:21:14,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 10:21:14,784 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 1.2173913043478262) internal successors, (28), 22 states have internal predecessors, (28), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 32 [2022-04-28 10:21:14,784 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 10:21:14,784 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 23 states, 23 states have (on average 1.2173913043478262) internal successors, (28), 22 states have internal predecessors, (28), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:21:14,803 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 32 edges. 32 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:21:14,803 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-04-28 10:21:14,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 10:21:14,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-04-28 10:21:14,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=525, Invalid=1367, Unknown=0, NotChecked=0, Total=1892 [2022-04-28 10:21:14,804 INFO L87 Difference]: Start difference. First operand 41 states and 45 transitions. Second operand has 23 states, 23 states have (on average 1.2173913043478262) internal successors, (28), 22 states have internal predecessors, (28), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:21:16,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:21:16,010 INFO L93 Difference]: Finished difference Result 77 states and 86 transitions. [2022-04-28 10:21:16,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-04-28 10:21:16,010 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 1.2173913043478262) internal successors, (28), 22 states have internal predecessors, (28), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 32 [2022-04-28 10:21:16,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 10:21:16,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 23 states have (on average 1.2173913043478262) internal successors, (28), 22 states have internal predecessors, (28), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:21:16,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 65 transitions. [2022-04-28 10:21:16,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 23 states have (on average 1.2173913043478262) internal successors, (28), 22 states have internal predecessors, (28), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:21:16,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 65 transitions. [2022-04-28 10:21:16,012 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 23 states and 65 transitions. [2022-04-28 10:21:16,052 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 65 edges. 65 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:21:16,053 INFO L225 Difference]: With dead ends: 77 [2022-04-28 10:21:16,053 INFO L226 Difference]: Without dead ends: 43 [2022-04-28 10:21:16,054 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 46 SyntacticMatches, 1 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=1043, Invalid=2989, Unknown=0, NotChecked=0, Total=4032 [2022-04-28 10:21:16,054 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 17 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 602 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 647 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 602 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-04-28 10:21:16,054 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 83 Invalid, 647 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 602 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-04-28 10:21:16,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2022-04-28 10:21:16,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 42. [2022-04-28 10:21:16,094 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 10:21:16,094 INFO L82 GeneralOperation]: Start isEquivalent. First operand 43 states. Second operand has 42 states, 34 states have (on average 1.1176470588235294) internal successors, (38), 35 states have internal predecessors, (38), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:21:16,094 INFO L74 IsIncluded]: Start isIncluded. First operand 43 states. Second operand has 42 states, 34 states have (on average 1.1176470588235294) internal successors, (38), 35 states have internal predecessors, (38), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:21:16,094 INFO L87 Difference]: Start difference. First operand 43 states. Second operand has 42 states, 34 states have (on average 1.1176470588235294) internal successors, (38), 35 states have internal predecessors, (38), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:21:16,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:21:16,095 INFO L93 Difference]: Finished difference Result 43 states and 47 transitions. [2022-04-28 10:21:16,095 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 47 transitions. [2022-04-28 10:21:16,095 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:21:16,095 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:21:16,095 INFO L74 IsIncluded]: Start isIncluded. First operand has 42 states, 34 states have (on average 1.1176470588235294) internal successors, (38), 35 states have internal predecessors, (38), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 43 states. [2022-04-28 10:21:16,095 INFO L87 Difference]: Start difference. First operand has 42 states, 34 states have (on average 1.1176470588235294) internal successors, (38), 35 states have internal predecessors, (38), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 43 states. [2022-04-28 10:21:16,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:21:16,096 INFO L93 Difference]: Finished difference Result 43 states and 47 transitions. [2022-04-28 10:21:16,096 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 47 transitions. [2022-04-28 10:21:16,096 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:21:16,096 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:21:16,096 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 10:21:16,096 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 10:21:16,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 34 states have (on average 1.1176470588235294) internal successors, (38), 35 states have internal predecessors, (38), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:21:16,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 46 transitions. [2022-04-28 10:21:16,097 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 46 transitions. Word has length 32 [2022-04-28 10:21:16,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 10:21:16,097 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 46 transitions. [2022-04-28 10:21:16,097 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 1.2173913043478262) internal successors, (28), 22 states have internal predecessors, (28), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:21:16,097 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 42 states and 46 transitions. [2022-04-28 10:21:16,137 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 46 edges. 46 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:21:16,137 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 46 transitions. [2022-04-28 10:21:16,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-04-28 10:21:16,138 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 10:21:16,138 INFO L195 NwaCegarLoop]: trace histogram [20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 10:21:16,155 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2022-04-28 10:21:16,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:21:16,338 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 10:21:16,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 10:21:16,339 INFO L85 PathProgramCache]: Analyzing trace with hash -1109669054, now seen corresponding path program 39 times [2022-04-28 10:21:16,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 10:21:16,339 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [647921643] [2022-04-28 10:21:16,343 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-28 10:21:16,343 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-28 10:21:16,343 INFO L85 PathProgramCache]: Analyzing trace with hash -1109669054, now seen corresponding path program 40 times [2022-04-28 10:21:16,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 10:21:16,343 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30217955] [2022-04-28 10:21:16,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 10:21:16,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 10:21:16,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:21:16,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 10:21:16,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:21:16,718 INFO L290 TraceCheckUtils]: 0: Hoare triple {9144#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {9118#true} is VALID [2022-04-28 10:21:16,718 INFO L290 TraceCheckUtils]: 1: Hoare triple {9118#true} assume true; {9118#true} is VALID [2022-04-28 10:21:16,719 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {9118#true} {9118#true} #63#return; {9118#true} is VALID [2022-04-28 10:21:16,719 INFO L272 TraceCheckUtils]: 0: Hoare triple {9118#true} call ULTIMATE.init(); {9144#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 10:21:16,719 INFO L290 TraceCheckUtils]: 1: Hoare triple {9144#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {9118#true} is VALID [2022-04-28 10:21:16,719 INFO L290 TraceCheckUtils]: 2: Hoare triple {9118#true} assume true; {9118#true} is VALID [2022-04-28 10:21:16,719 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {9118#true} {9118#true} #63#return; {9118#true} is VALID [2022-04-28 10:21:16,720 INFO L272 TraceCheckUtils]: 4: Hoare triple {9118#true} call #t~ret7 := main(); {9118#true} is VALID [2022-04-28 10:21:16,720 INFO L290 TraceCheckUtils]: 5: Hoare triple {9118#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {9118#true} is VALID [2022-04-28 10:21:16,720 INFO L290 TraceCheckUtils]: 6: Hoare triple {9118#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {9118#true} is VALID [2022-04-28 10:21:16,720 INFO L290 TraceCheckUtils]: 7: Hoare triple {9118#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {9123#(= main_~z~0 0)} is VALID [2022-04-28 10:21:16,720 INFO L290 TraceCheckUtils]: 8: Hoare triple {9123#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9124#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:21:16,721 INFO L290 TraceCheckUtils]: 9: Hoare triple {9124#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9125#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:21:16,722 INFO L290 TraceCheckUtils]: 10: Hoare triple {9125#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9126#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:21:16,722 INFO L290 TraceCheckUtils]: 11: Hoare triple {9126#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9127#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:21:16,723 INFO L290 TraceCheckUtils]: 12: Hoare triple {9127#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9128#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:21:16,723 INFO L290 TraceCheckUtils]: 13: Hoare triple {9128#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9129#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:21:16,724 INFO L290 TraceCheckUtils]: 14: Hoare triple {9129#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9130#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:21:16,724 INFO L290 TraceCheckUtils]: 15: Hoare triple {9130#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9131#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:21:16,725 INFO L290 TraceCheckUtils]: 16: Hoare triple {9131#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9132#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:21:16,725 INFO L290 TraceCheckUtils]: 17: Hoare triple {9132#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9133#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:21:16,726 INFO L290 TraceCheckUtils]: 18: Hoare triple {9133#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9134#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:21:16,726 INFO L290 TraceCheckUtils]: 19: Hoare triple {9134#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9135#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:21:16,727 INFO L290 TraceCheckUtils]: 20: Hoare triple {9135#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9136#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:21:16,727 INFO L290 TraceCheckUtils]: 21: Hoare triple {9136#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9137#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:21:16,728 INFO L290 TraceCheckUtils]: 22: Hoare triple {9137#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9138#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:21:16,729 INFO L290 TraceCheckUtils]: 23: Hoare triple {9138#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9139#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:21:16,729 INFO L290 TraceCheckUtils]: 24: Hoare triple {9139#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9140#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:21:16,730 INFO L290 TraceCheckUtils]: 25: Hoare triple {9140#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9141#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:21:16,730 INFO L290 TraceCheckUtils]: 26: Hoare triple {9141#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9142#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:21:16,731 INFO L290 TraceCheckUtils]: 27: Hoare triple {9142#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9143#(and (<= main_~z~0 20) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} is VALID [2022-04-28 10:21:16,731 INFO L290 TraceCheckUtils]: 28: Hoare triple {9143#(and (<= main_~z~0 20) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} assume !(~z~0 % 4294967296 < 268435455); {9119#false} is VALID [2022-04-28 10:21:16,731 INFO L272 TraceCheckUtils]: 29: Hoare triple {9119#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {9119#false} is VALID [2022-04-28 10:21:16,731 INFO L290 TraceCheckUtils]: 30: Hoare triple {9119#false} ~cond := #in~cond; {9119#false} is VALID [2022-04-28 10:21:16,731 INFO L290 TraceCheckUtils]: 31: Hoare triple {9119#false} assume 0 == ~cond; {9119#false} is VALID [2022-04-28 10:21:16,731 INFO L290 TraceCheckUtils]: 32: Hoare triple {9119#false} assume !false; {9119#false} is VALID [2022-04-28 10:21:16,732 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:21:16,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 10:21:16,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30217955] [2022-04-28 10:21:16,732 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30217955] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 10:21:16,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1305495967] [2022-04-28 10:21:16,732 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-28 10:21:16,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:21:16,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 10:21:16,733 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 10:21:16,735 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2022-04-28 10:21:16,782 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-28 10:21:16,782 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 10:21:16,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 43 conjunts are in the unsatisfiable core [2022-04-28 10:21:16,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:21:16,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 10:21:17,114 INFO L272 TraceCheckUtils]: 0: Hoare triple {9118#true} call ULTIMATE.init(); {9118#true} is VALID [2022-04-28 10:21:17,114 INFO L290 TraceCheckUtils]: 1: Hoare triple {9118#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {9118#true} is VALID [2022-04-28 10:21:17,114 INFO L290 TraceCheckUtils]: 2: Hoare triple {9118#true} assume true; {9118#true} is VALID [2022-04-28 10:21:17,114 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {9118#true} {9118#true} #63#return; {9118#true} is VALID [2022-04-28 10:21:17,114 INFO L272 TraceCheckUtils]: 4: Hoare triple {9118#true} call #t~ret7 := main(); {9118#true} is VALID [2022-04-28 10:21:17,114 INFO L290 TraceCheckUtils]: 5: Hoare triple {9118#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {9118#true} is VALID [2022-04-28 10:21:17,114 INFO L290 TraceCheckUtils]: 6: Hoare triple {9118#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {9118#true} is VALID [2022-04-28 10:21:17,115 INFO L290 TraceCheckUtils]: 7: Hoare triple {9118#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {9123#(= main_~z~0 0)} is VALID [2022-04-28 10:21:17,115 INFO L290 TraceCheckUtils]: 8: Hoare triple {9123#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9124#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:21:17,116 INFO L290 TraceCheckUtils]: 9: Hoare triple {9124#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9125#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:21:17,116 INFO L290 TraceCheckUtils]: 10: Hoare triple {9125#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9126#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:21:17,117 INFO L290 TraceCheckUtils]: 11: Hoare triple {9126#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9127#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:21:17,117 INFO L290 TraceCheckUtils]: 12: Hoare triple {9127#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9128#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:21:17,118 INFO L290 TraceCheckUtils]: 13: Hoare triple {9128#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9129#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:21:17,118 INFO L290 TraceCheckUtils]: 14: Hoare triple {9129#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9130#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:21:17,119 INFO L290 TraceCheckUtils]: 15: Hoare triple {9130#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9131#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:21:17,119 INFO L290 TraceCheckUtils]: 16: Hoare triple {9131#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9132#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:21:17,120 INFO L290 TraceCheckUtils]: 17: Hoare triple {9132#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9133#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:21:17,120 INFO L290 TraceCheckUtils]: 18: Hoare triple {9133#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9134#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:21:17,121 INFO L290 TraceCheckUtils]: 19: Hoare triple {9134#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9135#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:21:17,121 INFO L290 TraceCheckUtils]: 20: Hoare triple {9135#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9136#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:21:17,122 INFO L290 TraceCheckUtils]: 21: Hoare triple {9136#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9137#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:21:17,122 INFO L290 TraceCheckUtils]: 22: Hoare triple {9137#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9138#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:21:17,123 INFO L290 TraceCheckUtils]: 23: Hoare triple {9138#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9139#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:21:17,124 INFO L290 TraceCheckUtils]: 24: Hoare triple {9139#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9140#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:21:17,124 INFO L290 TraceCheckUtils]: 25: Hoare triple {9140#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9141#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:21:17,125 INFO L290 TraceCheckUtils]: 26: Hoare triple {9141#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9142#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:21:17,125 INFO L290 TraceCheckUtils]: 27: Hoare triple {9142#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9229#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 10:21:17,126 INFO L290 TraceCheckUtils]: 28: Hoare triple {9229#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !(~z~0 % 4294967296 < 268435455); {9119#false} is VALID [2022-04-28 10:21:17,126 INFO L272 TraceCheckUtils]: 29: Hoare triple {9119#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {9119#false} is VALID [2022-04-28 10:21:17,126 INFO L290 TraceCheckUtils]: 30: Hoare triple {9119#false} ~cond := #in~cond; {9119#false} is VALID [2022-04-28 10:21:17,126 INFO L290 TraceCheckUtils]: 31: Hoare triple {9119#false} assume 0 == ~cond; {9119#false} is VALID [2022-04-28 10:21:17,126 INFO L290 TraceCheckUtils]: 32: Hoare triple {9119#false} assume !false; {9119#false} is VALID [2022-04-28 10:21:17,126 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:21:17,126 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 10:21:17,854 INFO L290 TraceCheckUtils]: 32: Hoare triple {9119#false} assume !false; {9119#false} is VALID [2022-04-28 10:21:17,855 INFO L290 TraceCheckUtils]: 31: Hoare triple {9119#false} assume 0 == ~cond; {9119#false} is VALID [2022-04-28 10:21:17,855 INFO L290 TraceCheckUtils]: 30: Hoare triple {9119#false} ~cond := #in~cond; {9119#false} is VALID [2022-04-28 10:21:17,855 INFO L272 TraceCheckUtils]: 29: Hoare triple {9119#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {9119#false} is VALID [2022-04-28 10:21:17,855 INFO L290 TraceCheckUtils]: 28: Hoare triple {9257#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {9119#false} is VALID [2022-04-28 10:21:17,856 INFO L290 TraceCheckUtils]: 27: Hoare triple {9261#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9257#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 10:21:17,856 INFO L290 TraceCheckUtils]: 26: Hoare triple {9265#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9261#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 10:21:17,857 INFO L290 TraceCheckUtils]: 25: Hoare triple {9269#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9265#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 10:21:17,857 INFO L290 TraceCheckUtils]: 24: Hoare triple {9273#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9269#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 10:21:17,858 INFO L290 TraceCheckUtils]: 23: Hoare triple {9277#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9273#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 10:21:17,859 INFO L290 TraceCheckUtils]: 22: Hoare triple {9281#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9277#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:21:17,859 INFO L290 TraceCheckUtils]: 21: Hoare triple {9285#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9281#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} is VALID [2022-04-28 10:21:17,860 INFO L290 TraceCheckUtils]: 20: Hoare triple {9289#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9285#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:21:17,860 INFO L290 TraceCheckUtils]: 19: Hoare triple {9293#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9289#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} is VALID [2022-04-28 10:21:17,861 INFO L290 TraceCheckUtils]: 18: Hoare triple {9297#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9293#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} is VALID [2022-04-28 10:21:17,861 INFO L290 TraceCheckUtils]: 17: Hoare triple {9301#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9297#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} is VALID [2022-04-28 10:21:17,862 INFO L290 TraceCheckUtils]: 16: Hoare triple {9305#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9301#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} is VALID [2022-04-28 10:21:17,862 INFO L290 TraceCheckUtils]: 15: Hoare triple {9309#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9305#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} is VALID [2022-04-28 10:21:17,863 INFO L290 TraceCheckUtils]: 14: Hoare triple {9313#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9309#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} is VALID [2022-04-28 10:21:17,864 INFO L290 TraceCheckUtils]: 13: Hoare triple {9317#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9313#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} is VALID [2022-04-28 10:21:17,867 INFO L290 TraceCheckUtils]: 12: Hoare triple {9321#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9317#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} is VALID [2022-04-28 10:21:17,868 INFO L290 TraceCheckUtils]: 11: Hoare triple {9325#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9321#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} is VALID [2022-04-28 10:21:17,868 INFO L290 TraceCheckUtils]: 10: Hoare triple {9329#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9325#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} is VALID [2022-04-28 10:21:17,869 INFO L290 TraceCheckUtils]: 9: Hoare triple {9333#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9329#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} is VALID [2022-04-28 10:21:17,870 INFO L290 TraceCheckUtils]: 8: Hoare triple {9337#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9333#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:21:17,870 INFO L290 TraceCheckUtils]: 7: Hoare triple {9118#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {9337#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} is VALID [2022-04-28 10:21:17,870 INFO L290 TraceCheckUtils]: 6: Hoare triple {9118#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {9118#true} is VALID [2022-04-28 10:21:17,870 INFO L290 TraceCheckUtils]: 5: Hoare triple {9118#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {9118#true} is VALID [2022-04-28 10:21:17,870 INFO L272 TraceCheckUtils]: 4: Hoare triple {9118#true} call #t~ret7 := main(); {9118#true} is VALID [2022-04-28 10:21:17,870 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {9118#true} {9118#true} #63#return; {9118#true} is VALID [2022-04-28 10:21:17,870 INFO L290 TraceCheckUtils]: 2: Hoare triple {9118#true} assume true; {9118#true} is VALID [2022-04-28 10:21:17,871 INFO L290 TraceCheckUtils]: 1: Hoare triple {9118#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {9118#true} is VALID [2022-04-28 10:21:17,871 INFO L272 TraceCheckUtils]: 0: Hoare triple {9118#true} call ULTIMATE.init(); {9118#true} is VALID [2022-04-28 10:21:17,871 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:21:17,871 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1305495967] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 10:21:17,871 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 10:21:17,871 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 23, 23] total 46 [2022-04-28 10:21:17,871 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 10:21:17,871 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [647921643] [2022-04-28 10:21:17,871 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [647921643] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 10:21:17,871 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 10:21:17,872 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-04-28 10:21:17,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253988249] [2022-04-28 10:21:17,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 10:21:17,872 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 1.2083333333333333) internal successors, (29), 23 states have internal predecessors, (29), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 33 [2022-04-28 10:21:17,872 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 10:21:17,872 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 24 states, 24 states have (on average 1.2083333333333333) internal successors, (29), 23 states have internal predecessors, (29), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:21:17,891 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 33 edges. 33 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:21:17,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-04-28 10:21:17,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 10:21:17,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-04-28 10:21:17,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=572, Invalid=1498, Unknown=0, NotChecked=0, Total=2070 [2022-04-28 10:21:17,892 INFO L87 Difference]: Start difference. First operand 42 states and 46 transitions. Second operand has 24 states, 24 states have (on average 1.2083333333333333) internal successors, (29), 23 states have internal predecessors, (29), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:21:18,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:21:18,979 INFO L93 Difference]: Finished difference Result 79 states and 88 transitions. [2022-04-28 10:21:18,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-04-28 10:21:18,979 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 1.2083333333333333) internal successors, (29), 23 states have internal predecessors, (29), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 33 [2022-04-28 10:21:18,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 10:21:18,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 1.2083333333333333) internal successors, (29), 23 states have internal predecessors, (29), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:21:18,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 66 transitions. [2022-04-28 10:21:18,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 1.2083333333333333) internal successors, (29), 23 states have internal predecessors, (29), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:21:18,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 66 transitions. [2022-04-28 10:21:18,980 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 24 states and 66 transitions. [2022-04-28 10:21:19,029 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 66 edges. 66 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:21:19,030 INFO L225 Difference]: With dead ends: 79 [2022-04-28 10:21:19,030 INFO L226 Difference]: Without dead ends: 44 [2022-04-28 10:21:19,031 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 47 SyntacticMatches, 1 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 256 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1137, Invalid=3285, Unknown=0, NotChecked=0, Total=4422 [2022-04-28 10:21:19,032 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 18 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 571 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-04-28 10:21:19,032 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 43 Invalid, 571 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-04-28 10:21:19,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2022-04-28 10:21:19,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 43. [2022-04-28 10:21:19,087 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 10:21:19,087 INFO L82 GeneralOperation]: Start isEquivalent. First operand 44 states. Second operand has 43 states, 35 states have (on average 1.1142857142857143) internal successors, (39), 36 states have internal predecessors, (39), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:21:19,095 INFO L74 IsIncluded]: Start isIncluded. First operand 44 states. Second operand has 43 states, 35 states have (on average 1.1142857142857143) internal successors, (39), 36 states have internal predecessors, (39), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:21:19,095 INFO L87 Difference]: Start difference. First operand 44 states. Second operand has 43 states, 35 states have (on average 1.1142857142857143) internal successors, (39), 36 states have internal predecessors, (39), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:21:19,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:21:19,096 INFO L93 Difference]: Finished difference Result 44 states and 48 transitions. [2022-04-28 10:21:19,096 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 48 transitions. [2022-04-28 10:21:19,096 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:21:19,096 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:21:19,096 INFO L74 IsIncluded]: Start isIncluded. First operand has 43 states, 35 states have (on average 1.1142857142857143) internal successors, (39), 36 states have internal predecessors, (39), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 44 states. [2022-04-28 10:21:19,096 INFO L87 Difference]: Start difference. First operand has 43 states, 35 states have (on average 1.1142857142857143) internal successors, (39), 36 states have internal predecessors, (39), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 44 states. [2022-04-28 10:21:19,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:21:19,097 INFO L93 Difference]: Finished difference Result 44 states and 48 transitions. [2022-04-28 10:21:19,097 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 48 transitions. [2022-04-28 10:21:19,097 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:21:19,097 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:21:19,097 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 10:21:19,097 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 10:21:19,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 35 states have (on average 1.1142857142857143) internal successors, (39), 36 states have internal predecessors, (39), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:21:19,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 47 transitions. [2022-04-28 10:21:19,098 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 47 transitions. Word has length 33 [2022-04-28 10:21:19,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 10:21:19,098 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 47 transitions. [2022-04-28 10:21:19,098 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 1.2083333333333333) internal successors, (29), 23 states have internal predecessors, (29), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:21:19,098 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 43 states and 47 transitions. [2022-04-28 10:21:19,200 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 47 edges. 47 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:21:19,200 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 47 transitions. [2022-04-28 10:21:19,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-04-28 10:21:19,200 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 10:21:19,200 INFO L195 NwaCegarLoop]: trace histogram [21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 10:21:19,220 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2022-04-28 10:21:19,400 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2022-04-28 10:21:19,401 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 10:21:19,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 10:21:19,401 INFO L85 PathProgramCache]: Analyzing trace with hash -13699742, now seen corresponding path program 41 times [2022-04-28 10:21:19,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 10:21:19,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [2079081561] [2022-04-28 10:21:19,403 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-28 10:21:19,403 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-28 10:21:19,403 INFO L85 PathProgramCache]: Analyzing trace with hash -13699742, now seen corresponding path program 42 times [2022-04-28 10:21:19,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 10:21:19,403 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513302784] [2022-04-28 10:21:19,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 10:21:19,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 10:21:19,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:21:19,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 10:21:19,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:21:19,744 INFO L290 TraceCheckUtils]: 0: Hoare triple {9766#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {9739#true} is VALID [2022-04-28 10:21:19,744 INFO L290 TraceCheckUtils]: 1: Hoare triple {9739#true} assume true; {9739#true} is VALID [2022-04-28 10:21:19,744 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {9739#true} {9739#true} #63#return; {9739#true} is VALID [2022-04-28 10:21:19,744 INFO L272 TraceCheckUtils]: 0: Hoare triple {9739#true} call ULTIMATE.init(); {9766#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 10:21:19,744 INFO L290 TraceCheckUtils]: 1: Hoare triple {9766#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {9739#true} is VALID [2022-04-28 10:21:19,745 INFO L290 TraceCheckUtils]: 2: Hoare triple {9739#true} assume true; {9739#true} is VALID [2022-04-28 10:21:19,745 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {9739#true} {9739#true} #63#return; {9739#true} is VALID [2022-04-28 10:21:19,745 INFO L272 TraceCheckUtils]: 4: Hoare triple {9739#true} call #t~ret7 := main(); {9739#true} is VALID [2022-04-28 10:21:19,745 INFO L290 TraceCheckUtils]: 5: Hoare triple {9739#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {9739#true} is VALID [2022-04-28 10:21:19,745 INFO L290 TraceCheckUtils]: 6: Hoare triple {9739#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {9739#true} is VALID [2022-04-28 10:21:19,750 INFO L290 TraceCheckUtils]: 7: Hoare triple {9739#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {9744#(= main_~z~0 0)} is VALID [2022-04-28 10:21:19,750 INFO L290 TraceCheckUtils]: 8: Hoare triple {9744#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9745#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:21:19,751 INFO L290 TraceCheckUtils]: 9: Hoare triple {9745#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9746#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:21:19,751 INFO L290 TraceCheckUtils]: 10: Hoare triple {9746#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9747#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:21:19,752 INFO L290 TraceCheckUtils]: 11: Hoare triple {9747#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9748#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:21:19,753 INFO L290 TraceCheckUtils]: 12: Hoare triple {9748#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9749#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:21:19,753 INFO L290 TraceCheckUtils]: 13: Hoare triple {9749#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9750#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:21:19,754 INFO L290 TraceCheckUtils]: 14: Hoare triple {9750#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9751#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:21:19,754 INFO L290 TraceCheckUtils]: 15: Hoare triple {9751#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9752#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:21:19,755 INFO L290 TraceCheckUtils]: 16: Hoare triple {9752#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9753#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:21:19,756 INFO L290 TraceCheckUtils]: 17: Hoare triple {9753#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9754#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:21:19,757 INFO L290 TraceCheckUtils]: 18: Hoare triple {9754#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9755#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:21:19,757 INFO L290 TraceCheckUtils]: 19: Hoare triple {9755#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9756#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:21:19,758 INFO L290 TraceCheckUtils]: 20: Hoare triple {9756#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9757#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:21:19,758 INFO L290 TraceCheckUtils]: 21: Hoare triple {9757#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9758#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:21:19,759 INFO L290 TraceCheckUtils]: 22: Hoare triple {9758#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9759#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:21:19,759 INFO L290 TraceCheckUtils]: 23: Hoare triple {9759#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9760#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:21:19,760 INFO L290 TraceCheckUtils]: 24: Hoare triple {9760#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9761#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:21:19,760 INFO L290 TraceCheckUtils]: 25: Hoare triple {9761#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9762#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:21:19,761 INFO L290 TraceCheckUtils]: 26: Hoare triple {9762#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9763#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:21:19,761 INFO L290 TraceCheckUtils]: 27: Hoare triple {9763#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9764#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 10:21:19,762 INFO L290 TraceCheckUtils]: 28: Hoare triple {9764#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9765#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 21))} is VALID [2022-04-28 10:21:19,762 INFO L290 TraceCheckUtils]: 29: Hoare triple {9765#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 21))} assume !(~z~0 % 4294967296 < 268435455); {9740#false} is VALID [2022-04-28 10:21:19,762 INFO L272 TraceCheckUtils]: 30: Hoare triple {9740#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {9740#false} is VALID [2022-04-28 10:21:19,762 INFO L290 TraceCheckUtils]: 31: Hoare triple {9740#false} ~cond := #in~cond; {9740#false} is VALID [2022-04-28 10:21:19,763 INFO L290 TraceCheckUtils]: 32: Hoare triple {9740#false} assume 0 == ~cond; {9740#false} is VALID [2022-04-28 10:21:19,763 INFO L290 TraceCheckUtils]: 33: Hoare triple {9740#false} assume !false; {9740#false} is VALID [2022-04-28 10:21:19,763 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:21:19,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 10:21:19,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513302784] [2022-04-28 10:21:19,763 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513302784] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 10:21:19,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [998612129] [2022-04-28 10:21:19,763 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-04-28 10:21:19,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:21:19,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 10:21:19,764 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 10:21:19,765 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2022-04-28 10:21:19,929 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2022-04-28 10:21:19,929 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 10:21:19,931 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 45 conjunts are in the unsatisfiable core [2022-04-28 10:21:19,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:21:19,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 10:21:20,238 INFO L272 TraceCheckUtils]: 0: Hoare triple {9739#true} call ULTIMATE.init(); {9739#true} is VALID [2022-04-28 10:21:20,239 INFO L290 TraceCheckUtils]: 1: Hoare triple {9739#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {9739#true} is VALID [2022-04-28 10:21:20,239 INFO L290 TraceCheckUtils]: 2: Hoare triple {9739#true} assume true; {9739#true} is VALID [2022-04-28 10:21:20,239 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {9739#true} {9739#true} #63#return; {9739#true} is VALID [2022-04-28 10:21:20,239 INFO L272 TraceCheckUtils]: 4: Hoare triple {9739#true} call #t~ret7 := main(); {9739#true} is VALID [2022-04-28 10:21:20,239 INFO L290 TraceCheckUtils]: 5: Hoare triple {9739#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {9739#true} is VALID [2022-04-28 10:21:20,239 INFO L290 TraceCheckUtils]: 6: Hoare triple {9739#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {9739#true} is VALID [2022-04-28 10:21:20,239 INFO L290 TraceCheckUtils]: 7: Hoare triple {9739#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {9744#(= main_~z~0 0)} is VALID [2022-04-28 10:21:20,240 INFO L290 TraceCheckUtils]: 8: Hoare triple {9744#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9745#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:21:20,240 INFO L290 TraceCheckUtils]: 9: Hoare triple {9745#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9746#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:21:20,241 INFO L290 TraceCheckUtils]: 10: Hoare triple {9746#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9747#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:21:20,241 INFO L290 TraceCheckUtils]: 11: Hoare triple {9747#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9748#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:21:20,242 INFO L290 TraceCheckUtils]: 12: Hoare triple {9748#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9749#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:21:20,242 INFO L290 TraceCheckUtils]: 13: Hoare triple {9749#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9750#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:21:20,243 INFO L290 TraceCheckUtils]: 14: Hoare triple {9750#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9751#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:21:20,243 INFO L290 TraceCheckUtils]: 15: Hoare triple {9751#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9752#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:21:20,243 INFO L290 TraceCheckUtils]: 16: Hoare triple {9752#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9753#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:21:20,244 INFO L290 TraceCheckUtils]: 17: Hoare triple {9753#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9754#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:21:20,244 INFO L290 TraceCheckUtils]: 18: Hoare triple {9754#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9755#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:21:20,245 INFO L290 TraceCheckUtils]: 19: Hoare triple {9755#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9756#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:21:20,245 INFO L290 TraceCheckUtils]: 20: Hoare triple {9756#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9757#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:21:20,246 INFO L290 TraceCheckUtils]: 21: Hoare triple {9757#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9758#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:21:20,246 INFO L290 TraceCheckUtils]: 22: Hoare triple {9758#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9759#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:21:20,247 INFO L290 TraceCheckUtils]: 23: Hoare triple {9759#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9760#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:21:20,247 INFO L290 TraceCheckUtils]: 24: Hoare triple {9760#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9761#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:21:20,248 INFO L290 TraceCheckUtils]: 25: Hoare triple {9761#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9762#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:21:20,249 INFO L290 TraceCheckUtils]: 26: Hoare triple {9762#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9763#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:21:20,250 INFO L290 TraceCheckUtils]: 27: Hoare triple {9763#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9764#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 10:21:20,250 INFO L290 TraceCheckUtils]: 28: Hoare triple {9764#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9854#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 10:21:20,251 INFO L290 TraceCheckUtils]: 29: Hoare triple {9854#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !(~z~0 % 4294967296 < 268435455); {9740#false} is VALID [2022-04-28 10:21:20,251 INFO L272 TraceCheckUtils]: 30: Hoare triple {9740#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {9740#false} is VALID [2022-04-28 10:21:20,251 INFO L290 TraceCheckUtils]: 31: Hoare triple {9740#false} ~cond := #in~cond; {9740#false} is VALID [2022-04-28 10:21:20,251 INFO L290 TraceCheckUtils]: 32: Hoare triple {9740#false} assume 0 == ~cond; {9740#false} is VALID [2022-04-28 10:21:20,251 INFO L290 TraceCheckUtils]: 33: Hoare triple {9740#false} assume !false; {9740#false} is VALID [2022-04-28 10:21:20,251 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:21:20,251 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 10:21:21,036 INFO L290 TraceCheckUtils]: 33: Hoare triple {9740#false} assume !false; {9740#false} is VALID [2022-04-28 10:21:21,036 INFO L290 TraceCheckUtils]: 32: Hoare triple {9740#false} assume 0 == ~cond; {9740#false} is VALID [2022-04-28 10:21:21,036 INFO L290 TraceCheckUtils]: 31: Hoare triple {9740#false} ~cond := #in~cond; {9740#false} is VALID [2022-04-28 10:21:21,036 INFO L272 TraceCheckUtils]: 30: Hoare triple {9740#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {9740#false} is VALID [2022-04-28 10:21:21,037 INFO L290 TraceCheckUtils]: 29: Hoare triple {9882#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {9740#false} is VALID [2022-04-28 10:21:21,037 INFO L290 TraceCheckUtils]: 28: Hoare triple {9886#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9882#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 10:21:21,038 INFO L290 TraceCheckUtils]: 27: Hoare triple {9890#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9886#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 10:21:21,039 INFO L290 TraceCheckUtils]: 26: Hoare triple {9894#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9890#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 10:21:21,039 INFO L290 TraceCheckUtils]: 25: Hoare triple {9898#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9894#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 10:21:21,040 INFO L290 TraceCheckUtils]: 24: Hoare triple {9902#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9898#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 10:21:21,041 INFO L290 TraceCheckUtils]: 23: Hoare triple {9906#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9902#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:21:21,041 INFO L290 TraceCheckUtils]: 22: Hoare triple {9910#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9906#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} is VALID [2022-04-28 10:21:21,042 INFO L290 TraceCheckUtils]: 21: Hoare triple {9914#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9910#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:21:21,042 INFO L290 TraceCheckUtils]: 20: Hoare triple {9918#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9914#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} is VALID [2022-04-28 10:21:21,043 INFO L290 TraceCheckUtils]: 19: Hoare triple {9922#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9918#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} is VALID [2022-04-28 10:21:21,043 INFO L290 TraceCheckUtils]: 18: Hoare triple {9926#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9922#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} is VALID [2022-04-28 10:21:21,044 INFO L290 TraceCheckUtils]: 17: Hoare triple {9930#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9926#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} is VALID [2022-04-28 10:21:21,045 INFO L290 TraceCheckUtils]: 16: Hoare triple {9934#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9930#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} is VALID [2022-04-28 10:21:21,045 INFO L290 TraceCheckUtils]: 15: Hoare triple {9938#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9934#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} is VALID [2022-04-28 10:21:21,046 INFO L290 TraceCheckUtils]: 14: Hoare triple {9942#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9938#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} is VALID [2022-04-28 10:21:21,046 INFO L290 TraceCheckUtils]: 13: Hoare triple {9946#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9942#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} is VALID [2022-04-28 10:21:21,047 INFO L290 TraceCheckUtils]: 12: Hoare triple {9950#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9946#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} is VALID [2022-04-28 10:21:21,047 INFO L290 TraceCheckUtils]: 11: Hoare triple {9954#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9950#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} is VALID [2022-04-28 10:21:21,048 INFO L290 TraceCheckUtils]: 10: Hoare triple {9958#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9954#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} is VALID [2022-04-28 10:21:21,048 INFO L290 TraceCheckUtils]: 9: Hoare triple {9962#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9958#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:21:21,049 INFO L290 TraceCheckUtils]: 8: Hoare triple {9966#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {9962#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} is VALID [2022-04-28 10:21:21,049 INFO L290 TraceCheckUtils]: 7: Hoare triple {9739#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {9966#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} is VALID [2022-04-28 10:21:21,049 INFO L290 TraceCheckUtils]: 6: Hoare triple {9739#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {9739#true} is VALID [2022-04-28 10:21:21,050 INFO L290 TraceCheckUtils]: 5: Hoare triple {9739#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {9739#true} is VALID [2022-04-28 10:21:21,050 INFO L272 TraceCheckUtils]: 4: Hoare triple {9739#true} call #t~ret7 := main(); {9739#true} is VALID [2022-04-28 10:21:21,050 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {9739#true} {9739#true} #63#return; {9739#true} is VALID [2022-04-28 10:21:21,050 INFO L290 TraceCheckUtils]: 2: Hoare triple {9739#true} assume true; {9739#true} is VALID [2022-04-28 10:21:21,050 INFO L290 TraceCheckUtils]: 1: Hoare triple {9739#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {9739#true} is VALID [2022-04-28 10:21:21,050 INFO L272 TraceCheckUtils]: 0: Hoare triple {9739#true} call ULTIMATE.init(); {9739#true} is VALID [2022-04-28 10:21:21,050 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:21:21,050 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [998612129] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 10:21:21,050 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 10:21:21,050 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 24, 24] total 48 [2022-04-28 10:21:21,051 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 10:21:21,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [2079081561] [2022-04-28 10:21:21,051 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [2079081561] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 10:21:21,051 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 10:21:21,051 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2022-04-28 10:21:21,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985276508] [2022-04-28 10:21:21,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 10:21:21,051 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 1.2) internal successors, (30), 24 states have internal predecessors, (30), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 34 [2022-04-28 10:21:21,051 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 10:21:21,051 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 25 states, 25 states have (on average 1.2) internal successors, (30), 24 states have internal predecessors, (30), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:21:21,070 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 34 edges. 34 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:21:21,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-04-28 10:21:21,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 10:21:21,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-04-28 10:21:21,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=621, Invalid=1635, Unknown=0, NotChecked=0, Total=2256 [2022-04-28 10:21:21,072 INFO L87 Difference]: Start difference. First operand 43 states and 47 transitions. Second operand has 25 states, 25 states have (on average 1.2) internal successors, (30), 24 states have internal predecessors, (30), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:21:22,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:21:22,417 INFO L93 Difference]: Finished difference Result 81 states and 90 transitions. [2022-04-28 10:21:22,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-04-28 10:21:22,418 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 1.2) internal successors, (30), 24 states have internal predecessors, (30), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 34 [2022-04-28 10:21:22,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 10:21:22,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.2) internal successors, (30), 24 states have internal predecessors, (30), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:21:22,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 67 transitions. [2022-04-28 10:21:22,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.2) internal successors, (30), 24 states have internal predecessors, (30), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:21:22,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 67 transitions. [2022-04-28 10:21:22,425 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 25 states and 67 transitions. [2022-04-28 10:21:22,469 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 67 edges. 67 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:21:22,470 INFO L225 Difference]: With dead ends: 81 [2022-04-28 10:21:22,470 INFO L226 Difference]: Without dead ends: 45 [2022-04-28 10:21:22,471 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 48 SyntacticMatches, 1 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 279 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1235, Invalid=3595, Unknown=0, NotChecked=0, Total=4830 [2022-04-28 10:21:22,472 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 18 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 672 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 722 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 672 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-04-28 10:21:22,472 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 78 Invalid, 722 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 672 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-04-28 10:21:22,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2022-04-28 10:21:22,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 44. [2022-04-28 10:21:22,501 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 10:21:22,502 INFO L82 GeneralOperation]: Start isEquivalent. First operand 45 states. Second operand has 44 states, 36 states have (on average 1.1111111111111112) internal successors, (40), 37 states have internal predecessors, (40), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:21:22,502 INFO L74 IsIncluded]: Start isIncluded. First operand 45 states. Second operand has 44 states, 36 states have (on average 1.1111111111111112) internal successors, (40), 37 states have internal predecessors, (40), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:21:22,502 INFO L87 Difference]: Start difference. First operand 45 states. Second operand has 44 states, 36 states have (on average 1.1111111111111112) internal successors, (40), 37 states have internal predecessors, (40), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:21:22,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:21:22,503 INFO L93 Difference]: Finished difference Result 45 states and 49 transitions. [2022-04-28 10:21:22,503 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 49 transitions. [2022-04-28 10:21:22,503 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:21:22,504 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:21:22,504 INFO L74 IsIncluded]: Start isIncluded. First operand has 44 states, 36 states have (on average 1.1111111111111112) internal successors, (40), 37 states have internal predecessors, (40), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 45 states. [2022-04-28 10:21:22,504 INFO L87 Difference]: Start difference. First operand has 44 states, 36 states have (on average 1.1111111111111112) internal successors, (40), 37 states have internal predecessors, (40), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 45 states. [2022-04-28 10:21:22,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:21:22,505 INFO L93 Difference]: Finished difference Result 45 states and 49 transitions. [2022-04-28 10:21:22,505 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 49 transitions. [2022-04-28 10:21:22,505 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:21:22,505 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:21:22,505 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 10:21:22,505 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 10:21:22,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 36 states have (on average 1.1111111111111112) internal successors, (40), 37 states have internal predecessors, (40), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:21:22,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 48 transitions. [2022-04-28 10:21:22,506 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 48 transitions. Word has length 34 [2022-04-28 10:21:22,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 10:21:22,506 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 48 transitions. [2022-04-28 10:21:22,506 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 1.2) internal successors, (30), 24 states have internal predecessors, (30), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:21:22,506 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 44 states and 48 transitions. [2022-04-28 10:21:22,548 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 48 edges. 48 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:21:22,548 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 48 transitions. [2022-04-28 10:21:22,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-04-28 10:21:22,548 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 10:21:22,548 INFO L195 NwaCegarLoop]: trace histogram [22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 10:21:22,553 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2022-04-28 10:21:22,748 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2022-04-28 10:21:22,749 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 10:21:22,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 10:21:22,749 INFO L85 PathProgramCache]: Analyzing trace with hash -398389438, now seen corresponding path program 43 times [2022-04-28 10:21:22,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 10:21:22,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1368480025] [2022-04-28 10:21:22,751 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-28 10:21:22,751 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-28 10:21:22,751 INFO L85 PathProgramCache]: Analyzing trace with hash -398389438, now seen corresponding path program 44 times [2022-04-28 10:21:22,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 10:21:22,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917970293] [2022-04-28 10:21:22,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 10:21:22,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 10:21:22,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:21:23,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 10:21:23,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:21:23,163 INFO L290 TraceCheckUtils]: 0: Hoare triple {10406#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {10378#true} is VALID [2022-04-28 10:21:23,163 INFO L290 TraceCheckUtils]: 1: Hoare triple {10378#true} assume true; {10378#true} is VALID [2022-04-28 10:21:23,163 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {10378#true} {10378#true} #63#return; {10378#true} is VALID [2022-04-28 10:21:23,164 INFO L272 TraceCheckUtils]: 0: Hoare triple {10378#true} call ULTIMATE.init(); {10406#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 10:21:23,164 INFO L290 TraceCheckUtils]: 1: Hoare triple {10406#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {10378#true} is VALID [2022-04-28 10:21:23,164 INFO L290 TraceCheckUtils]: 2: Hoare triple {10378#true} assume true; {10378#true} is VALID [2022-04-28 10:21:23,164 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {10378#true} {10378#true} #63#return; {10378#true} is VALID [2022-04-28 10:21:23,164 INFO L272 TraceCheckUtils]: 4: Hoare triple {10378#true} call #t~ret7 := main(); {10378#true} is VALID [2022-04-28 10:21:23,164 INFO L290 TraceCheckUtils]: 5: Hoare triple {10378#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {10378#true} is VALID [2022-04-28 10:21:23,164 INFO L290 TraceCheckUtils]: 6: Hoare triple {10378#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {10378#true} is VALID [2022-04-28 10:21:23,164 INFO L290 TraceCheckUtils]: 7: Hoare triple {10378#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {10383#(= main_~z~0 0)} is VALID [2022-04-28 10:21:23,165 INFO L290 TraceCheckUtils]: 8: Hoare triple {10383#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10384#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:21:23,165 INFO L290 TraceCheckUtils]: 9: Hoare triple {10384#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10385#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:21:23,166 INFO L290 TraceCheckUtils]: 10: Hoare triple {10385#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10386#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:21:23,166 INFO L290 TraceCheckUtils]: 11: Hoare triple {10386#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10387#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:21:23,167 INFO L290 TraceCheckUtils]: 12: Hoare triple {10387#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10388#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:21:23,167 INFO L290 TraceCheckUtils]: 13: Hoare triple {10388#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10389#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:21:23,168 INFO L290 TraceCheckUtils]: 14: Hoare triple {10389#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10390#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:21:23,168 INFO L290 TraceCheckUtils]: 15: Hoare triple {10390#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10391#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:21:23,169 INFO L290 TraceCheckUtils]: 16: Hoare triple {10391#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10392#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:21:23,169 INFO L290 TraceCheckUtils]: 17: Hoare triple {10392#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10393#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:21:23,170 INFO L290 TraceCheckUtils]: 18: Hoare triple {10393#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10394#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:21:23,170 INFO L290 TraceCheckUtils]: 19: Hoare triple {10394#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10395#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:21:23,171 INFO L290 TraceCheckUtils]: 20: Hoare triple {10395#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10396#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:21:23,172 INFO L290 TraceCheckUtils]: 21: Hoare triple {10396#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10397#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:21:23,172 INFO L290 TraceCheckUtils]: 22: Hoare triple {10397#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10398#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:21:23,173 INFO L290 TraceCheckUtils]: 23: Hoare triple {10398#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10399#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:21:23,173 INFO L290 TraceCheckUtils]: 24: Hoare triple {10399#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10400#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:21:23,174 INFO L290 TraceCheckUtils]: 25: Hoare triple {10400#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10401#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:21:23,174 INFO L290 TraceCheckUtils]: 26: Hoare triple {10401#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10402#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:21:23,174 INFO L290 TraceCheckUtils]: 27: Hoare triple {10402#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10403#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 10:21:23,175 INFO L290 TraceCheckUtils]: 28: Hoare triple {10403#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10404#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 10:21:23,176 INFO L290 TraceCheckUtils]: 29: Hoare triple {10404#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10405#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 22))} is VALID [2022-04-28 10:21:23,176 INFO L290 TraceCheckUtils]: 30: Hoare triple {10405#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 22))} assume !(~z~0 % 4294967296 < 268435455); {10379#false} is VALID [2022-04-28 10:21:23,176 INFO L272 TraceCheckUtils]: 31: Hoare triple {10379#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {10379#false} is VALID [2022-04-28 10:21:23,176 INFO L290 TraceCheckUtils]: 32: Hoare triple {10379#false} ~cond := #in~cond; {10379#false} is VALID [2022-04-28 10:21:23,176 INFO L290 TraceCheckUtils]: 33: Hoare triple {10379#false} assume 0 == ~cond; {10379#false} is VALID [2022-04-28 10:21:23,176 INFO L290 TraceCheckUtils]: 34: Hoare triple {10379#false} assume !false; {10379#false} is VALID [2022-04-28 10:21:23,177 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:21:23,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 10:21:23,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917970293] [2022-04-28 10:21:23,177 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917970293] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 10:21:23,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1790017062] [2022-04-28 10:21:23,177 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-28 10:21:23,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:21:23,177 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 10:21:23,178 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 10:21:23,179 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2022-04-28 10:21:23,252 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-28 10:21:23,252 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 10:21:23,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 47 conjunts are in the unsatisfiable core [2022-04-28 10:21:23,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:21:23,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 10:21:23,573 INFO L272 TraceCheckUtils]: 0: Hoare triple {10378#true} call ULTIMATE.init(); {10378#true} is VALID [2022-04-28 10:21:23,573 INFO L290 TraceCheckUtils]: 1: Hoare triple {10378#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {10378#true} is VALID [2022-04-28 10:21:23,573 INFO L290 TraceCheckUtils]: 2: Hoare triple {10378#true} assume true; {10378#true} is VALID [2022-04-28 10:21:23,573 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {10378#true} {10378#true} #63#return; {10378#true} is VALID [2022-04-28 10:21:23,574 INFO L272 TraceCheckUtils]: 4: Hoare triple {10378#true} call #t~ret7 := main(); {10378#true} is VALID [2022-04-28 10:21:23,574 INFO L290 TraceCheckUtils]: 5: Hoare triple {10378#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {10378#true} is VALID [2022-04-28 10:21:23,574 INFO L290 TraceCheckUtils]: 6: Hoare triple {10378#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {10378#true} is VALID [2022-04-28 10:21:23,574 INFO L290 TraceCheckUtils]: 7: Hoare triple {10378#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {10383#(= main_~z~0 0)} is VALID [2022-04-28 10:21:23,574 INFO L290 TraceCheckUtils]: 8: Hoare triple {10383#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10384#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:21:23,575 INFO L290 TraceCheckUtils]: 9: Hoare triple {10384#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10385#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:21:23,575 INFO L290 TraceCheckUtils]: 10: Hoare triple {10385#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10386#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:21:23,576 INFO L290 TraceCheckUtils]: 11: Hoare triple {10386#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10387#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:21:23,577 INFO L290 TraceCheckUtils]: 12: Hoare triple {10387#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10388#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:21:23,577 INFO L290 TraceCheckUtils]: 13: Hoare triple {10388#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10389#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:21:23,578 INFO L290 TraceCheckUtils]: 14: Hoare triple {10389#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10390#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:21:23,578 INFO L290 TraceCheckUtils]: 15: Hoare triple {10390#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10391#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:21:23,579 INFO L290 TraceCheckUtils]: 16: Hoare triple {10391#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10392#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:21:23,579 INFO L290 TraceCheckUtils]: 17: Hoare triple {10392#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10393#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:21:23,580 INFO L290 TraceCheckUtils]: 18: Hoare triple {10393#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10394#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:21:23,580 INFO L290 TraceCheckUtils]: 19: Hoare triple {10394#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10395#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:21:23,581 INFO L290 TraceCheckUtils]: 20: Hoare triple {10395#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10396#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:21:23,581 INFO L290 TraceCheckUtils]: 21: Hoare triple {10396#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10397#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:21:23,581 INFO L290 TraceCheckUtils]: 22: Hoare triple {10397#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10398#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:21:23,582 INFO L290 TraceCheckUtils]: 23: Hoare triple {10398#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10399#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:21:23,582 INFO L290 TraceCheckUtils]: 24: Hoare triple {10399#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10400#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:21:23,583 INFO L290 TraceCheckUtils]: 25: Hoare triple {10400#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10401#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:21:23,583 INFO L290 TraceCheckUtils]: 26: Hoare triple {10401#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10402#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:21:23,584 INFO L290 TraceCheckUtils]: 27: Hoare triple {10402#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10403#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 10:21:23,585 INFO L290 TraceCheckUtils]: 28: Hoare triple {10403#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10404#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 10:21:23,585 INFO L290 TraceCheckUtils]: 29: Hoare triple {10404#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10497#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 10:21:23,591 INFO L290 TraceCheckUtils]: 30: Hoare triple {10497#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !(~z~0 % 4294967296 < 268435455); {10379#false} is VALID [2022-04-28 10:21:23,592 INFO L272 TraceCheckUtils]: 31: Hoare triple {10379#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {10379#false} is VALID [2022-04-28 10:21:23,592 INFO L290 TraceCheckUtils]: 32: Hoare triple {10379#false} ~cond := #in~cond; {10379#false} is VALID [2022-04-28 10:21:23,592 INFO L290 TraceCheckUtils]: 33: Hoare triple {10379#false} assume 0 == ~cond; {10379#false} is VALID [2022-04-28 10:21:23,592 INFO L290 TraceCheckUtils]: 34: Hoare triple {10379#false} assume !false; {10379#false} is VALID [2022-04-28 10:21:23,592 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:21:23,592 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 10:21:24,477 INFO L290 TraceCheckUtils]: 34: Hoare triple {10379#false} assume !false; {10379#false} is VALID [2022-04-28 10:21:24,477 INFO L290 TraceCheckUtils]: 33: Hoare triple {10379#false} assume 0 == ~cond; {10379#false} is VALID [2022-04-28 10:21:24,477 INFO L290 TraceCheckUtils]: 32: Hoare triple {10379#false} ~cond := #in~cond; {10379#false} is VALID [2022-04-28 10:21:24,477 INFO L272 TraceCheckUtils]: 31: Hoare triple {10379#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {10379#false} is VALID [2022-04-28 10:21:24,478 INFO L290 TraceCheckUtils]: 30: Hoare triple {10525#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {10379#false} is VALID [2022-04-28 10:21:24,478 INFO L290 TraceCheckUtils]: 29: Hoare triple {10529#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10525#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 10:21:24,479 INFO L290 TraceCheckUtils]: 28: Hoare triple {10533#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10529#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 10:21:24,480 INFO L290 TraceCheckUtils]: 27: Hoare triple {10537#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10533#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 10:21:24,480 INFO L290 TraceCheckUtils]: 26: Hoare triple {10541#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10537#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 10:21:24,481 INFO L290 TraceCheckUtils]: 25: Hoare triple {10545#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10541#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 10:21:24,481 INFO L290 TraceCheckUtils]: 24: Hoare triple {10549#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10545#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:21:24,482 INFO L290 TraceCheckUtils]: 23: Hoare triple {10553#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10549#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} is VALID [2022-04-28 10:21:24,482 INFO L290 TraceCheckUtils]: 22: Hoare triple {10557#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10553#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:21:24,483 INFO L290 TraceCheckUtils]: 21: Hoare triple {10561#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10557#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} is VALID [2022-04-28 10:21:24,484 INFO L290 TraceCheckUtils]: 20: Hoare triple {10565#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10561#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} is VALID [2022-04-28 10:21:24,484 INFO L290 TraceCheckUtils]: 19: Hoare triple {10569#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10565#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} is VALID [2022-04-28 10:21:24,485 INFO L290 TraceCheckUtils]: 18: Hoare triple {10573#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10569#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} is VALID [2022-04-28 10:21:24,485 INFO L290 TraceCheckUtils]: 17: Hoare triple {10577#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10573#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} is VALID [2022-04-28 10:21:24,486 INFO L290 TraceCheckUtils]: 16: Hoare triple {10581#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10577#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} is VALID [2022-04-28 10:21:24,487 INFO L290 TraceCheckUtils]: 15: Hoare triple {10585#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10581#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} is VALID [2022-04-28 10:21:24,487 INFO L290 TraceCheckUtils]: 14: Hoare triple {10589#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10585#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} is VALID [2022-04-28 10:21:24,488 INFO L290 TraceCheckUtils]: 13: Hoare triple {10593#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10589#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} is VALID [2022-04-28 10:21:24,489 INFO L290 TraceCheckUtils]: 12: Hoare triple {10597#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10593#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} is VALID [2022-04-28 10:21:24,489 INFO L290 TraceCheckUtils]: 11: Hoare triple {10601#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10597#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} is VALID [2022-04-28 10:21:24,490 INFO L290 TraceCheckUtils]: 10: Hoare triple {10605#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10601#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:21:24,491 INFO L290 TraceCheckUtils]: 9: Hoare triple {10609#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10605#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} is VALID [2022-04-28 10:21:24,491 INFO L290 TraceCheckUtils]: 8: Hoare triple {10613#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {10609#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} is VALID [2022-04-28 10:21:24,492 INFO L290 TraceCheckUtils]: 7: Hoare triple {10378#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {10613#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} is VALID [2022-04-28 10:21:24,492 INFO L290 TraceCheckUtils]: 6: Hoare triple {10378#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {10378#true} is VALID [2022-04-28 10:21:24,492 INFO L290 TraceCheckUtils]: 5: Hoare triple {10378#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {10378#true} is VALID [2022-04-28 10:21:24,492 INFO L272 TraceCheckUtils]: 4: Hoare triple {10378#true} call #t~ret7 := main(); {10378#true} is VALID [2022-04-28 10:21:24,492 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {10378#true} {10378#true} #63#return; {10378#true} is VALID [2022-04-28 10:21:24,492 INFO L290 TraceCheckUtils]: 2: Hoare triple {10378#true} assume true; {10378#true} is VALID [2022-04-28 10:21:24,492 INFO L290 TraceCheckUtils]: 1: Hoare triple {10378#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {10378#true} is VALID [2022-04-28 10:21:24,492 INFO L272 TraceCheckUtils]: 0: Hoare triple {10378#true} call ULTIMATE.init(); {10378#true} is VALID [2022-04-28 10:21:24,492 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:21:24,493 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1790017062] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 10:21:24,493 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 10:21:24,493 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 25, 25] total 50 [2022-04-28 10:21:24,493 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 10:21:24,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1368480025] [2022-04-28 10:21:24,493 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1368480025] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 10:21:24,493 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 10:21:24,493 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-04-28 10:21:24,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240454970] [2022-04-28 10:21:24,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 10:21:24,493 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 1.1923076923076923) internal successors, (31), 25 states have internal predecessors, (31), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 35 [2022-04-28 10:21:24,494 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 10:21:24,494 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 26 states, 26 states have (on average 1.1923076923076923) internal successors, (31), 25 states have internal predecessors, (31), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:21:24,513 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 35 edges. 35 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:21:24,513 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-04-28 10:21:24,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 10:21:24,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-04-28 10:21:24,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=672, Invalid=1778, Unknown=0, NotChecked=0, Total=2450 [2022-04-28 10:21:24,514 INFO L87 Difference]: Start difference. First operand 44 states and 48 transitions. Second operand has 26 states, 26 states have (on average 1.1923076923076923) internal successors, (31), 25 states have internal predecessors, (31), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:21:25,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:21:25,830 INFO L93 Difference]: Finished difference Result 83 states and 92 transitions. [2022-04-28 10:21:25,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-04-28 10:21:25,831 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 1.1923076923076923) internal successors, (31), 25 states have internal predecessors, (31), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 35 [2022-04-28 10:21:25,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 10:21:25,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 26 states have (on average 1.1923076923076923) internal successors, (31), 25 states have internal predecessors, (31), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:21:25,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 68 transitions. [2022-04-28 10:21:25,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 26 states have (on average 1.1923076923076923) internal successors, (31), 25 states have internal predecessors, (31), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:21:25,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 68 transitions. [2022-04-28 10:21:25,832 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 26 states and 68 transitions. [2022-04-28 10:21:25,886 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 68 edges. 68 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:21:25,887 INFO L225 Difference]: With dead ends: 83 [2022-04-28 10:21:25,887 INFO L226 Difference]: Without dead ends: 46 [2022-04-28 10:21:25,888 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 49 SyntacticMatches, 1 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 303 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1337, Invalid=3919, Unknown=0, NotChecked=0, Total=5256 [2022-04-28 10:21:25,888 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 17 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 659 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 710 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 659 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-04-28 10:21:25,888 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 58 Invalid, 710 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 659 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-04-28 10:21:25,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2022-04-28 10:21:25,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 45. [2022-04-28 10:21:25,922 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 10:21:25,922 INFO L82 GeneralOperation]: Start isEquivalent. First operand 46 states. Second operand has 45 states, 37 states have (on average 1.1081081081081081) internal successors, (41), 38 states have internal predecessors, (41), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:21:25,922 INFO L74 IsIncluded]: Start isIncluded. First operand 46 states. Second operand has 45 states, 37 states have (on average 1.1081081081081081) internal successors, (41), 38 states have internal predecessors, (41), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:21:25,922 INFO L87 Difference]: Start difference. First operand 46 states. Second operand has 45 states, 37 states have (on average 1.1081081081081081) internal successors, (41), 38 states have internal predecessors, (41), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:21:25,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:21:25,923 INFO L93 Difference]: Finished difference Result 46 states and 50 transitions. [2022-04-28 10:21:25,923 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 50 transitions. [2022-04-28 10:21:25,923 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:21:25,923 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:21:25,924 INFO L74 IsIncluded]: Start isIncluded. First operand has 45 states, 37 states have (on average 1.1081081081081081) internal successors, (41), 38 states have internal predecessors, (41), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 46 states. [2022-04-28 10:21:25,924 INFO L87 Difference]: Start difference. First operand has 45 states, 37 states have (on average 1.1081081081081081) internal successors, (41), 38 states have internal predecessors, (41), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 46 states. [2022-04-28 10:21:25,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:21:25,924 INFO L93 Difference]: Finished difference Result 46 states and 50 transitions. [2022-04-28 10:21:25,924 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 50 transitions. [2022-04-28 10:21:25,925 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:21:25,925 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:21:25,925 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 10:21:25,925 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 10:21:25,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 37 states have (on average 1.1081081081081081) internal successors, (41), 38 states have internal predecessors, (41), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:21:25,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 49 transitions. [2022-04-28 10:21:25,926 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 49 transitions. Word has length 35 [2022-04-28 10:21:25,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 10:21:25,926 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 49 transitions. [2022-04-28 10:21:25,926 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 1.1923076923076923) internal successors, (31), 25 states have internal predecessors, (31), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:21:25,926 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 45 states and 49 transitions. [2022-04-28 10:21:25,978 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 49 edges. 49 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:21:25,978 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 49 transitions. [2022-04-28 10:21:25,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-04-28 10:21:25,978 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 10:21:25,978 INFO L195 NwaCegarLoop]: trace histogram [23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 10:21:26,001 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2022-04-28 10:21:26,178 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2022-04-28 10:21:26,179 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 10:21:26,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 10:21:26,179 INFO L85 PathProgramCache]: Analyzing trace with hash 561131874, now seen corresponding path program 45 times [2022-04-28 10:21:26,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 10:21:26,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1399834668] [2022-04-28 10:21:26,181 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-28 10:21:26,182 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-28 10:21:26,182 INFO L85 PathProgramCache]: Analyzing trace with hash 561131874, now seen corresponding path program 46 times [2022-04-28 10:21:26,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 10:21:26,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672051569] [2022-04-28 10:21:26,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 10:21:26,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 10:21:26,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:21:26,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 10:21:26,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:21:26,588 INFO L290 TraceCheckUtils]: 0: Hoare triple {11064#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {11035#true} is VALID [2022-04-28 10:21:26,588 INFO L290 TraceCheckUtils]: 1: Hoare triple {11035#true} assume true; {11035#true} is VALID [2022-04-28 10:21:26,588 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {11035#true} {11035#true} #63#return; {11035#true} is VALID [2022-04-28 10:21:26,588 INFO L272 TraceCheckUtils]: 0: Hoare triple {11035#true} call ULTIMATE.init(); {11064#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 10:21:26,588 INFO L290 TraceCheckUtils]: 1: Hoare triple {11064#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {11035#true} is VALID [2022-04-28 10:21:26,588 INFO L290 TraceCheckUtils]: 2: Hoare triple {11035#true} assume true; {11035#true} is VALID [2022-04-28 10:21:26,588 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {11035#true} {11035#true} #63#return; {11035#true} is VALID [2022-04-28 10:21:26,589 INFO L272 TraceCheckUtils]: 4: Hoare triple {11035#true} call #t~ret7 := main(); {11035#true} is VALID [2022-04-28 10:21:26,589 INFO L290 TraceCheckUtils]: 5: Hoare triple {11035#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {11035#true} is VALID [2022-04-28 10:21:26,589 INFO L290 TraceCheckUtils]: 6: Hoare triple {11035#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {11035#true} is VALID [2022-04-28 10:21:26,589 INFO L290 TraceCheckUtils]: 7: Hoare triple {11035#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {11040#(= main_~z~0 0)} is VALID [2022-04-28 10:21:26,589 INFO L290 TraceCheckUtils]: 8: Hoare triple {11040#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11041#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:21:26,590 INFO L290 TraceCheckUtils]: 9: Hoare triple {11041#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11042#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:21:26,590 INFO L290 TraceCheckUtils]: 10: Hoare triple {11042#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11043#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:21:26,591 INFO L290 TraceCheckUtils]: 11: Hoare triple {11043#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11044#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:21:26,591 INFO L290 TraceCheckUtils]: 12: Hoare triple {11044#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11045#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:21:26,592 INFO L290 TraceCheckUtils]: 13: Hoare triple {11045#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11046#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:21:26,592 INFO L290 TraceCheckUtils]: 14: Hoare triple {11046#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11047#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:21:26,593 INFO L290 TraceCheckUtils]: 15: Hoare triple {11047#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11048#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:21:26,593 INFO L290 TraceCheckUtils]: 16: Hoare triple {11048#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11049#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:21:26,594 INFO L290 TraceCheckUtils]: 17: Hoare triple {11049#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11050#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:21:26,594 INFO L290 TraceCheckUtils]: 18: Hoare triple {11050#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11051#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:21:26,595 INFO L290 TraceCheckUtils]: 19: Hoare triple {11051#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11052#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:21:26,595 INFO L290 TraceCheckUtils]: 20: Hoare triple {11052#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11053#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:21:26,595 INFO L290 TraceCheckUtils]: 21: Hoare triple {11053#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11054#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:21:26,596 INFO L290 TraceCheckUtils]: 22: Hoare triple {11054#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11055#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:21:26,596 INFO L290 TraceCheckUtils]: 23: Hoare triple {11055#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11056#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:21:26,597 INFO L290 TraceCheckUtils]: 24: Hoare triple {11056#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11057#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:21:26,597 INFO L290 TraceCheckUtils]: 25: Hoare triple {11057#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11058#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:21:26,598 INFO L290 TraceCheckUtils]: 26: Hoare triple {11058#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11059#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:21:26,598 INFO L290 TraceCheckUtils]: 27: Hoare triple {11059#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11060#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 10:21:26,599 INFO L290 TraceCheckUtils]: 28: Hoare triple {11060#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11061#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 10:21:26,599 INFO L290 TraceCheckUtils]: 29: Hoare triple {11061#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11062#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 10:21:26,600 INFO L290 TraceCheckUtils]: 30: Hoare triple {11062#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11063#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 23))} is VALID [2022-04-28 10:21:26,600 INFO L290 TraceCheckUtils]: 31: Hoare triple {11063#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 23))} assume !(~z~0 % 4294967296 < 268435455); {11036#false} is VALID [2022-04-28 10:21:26,600 INFO L272 TraceCheckUtils]: 32: Hoare triple {11036#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {11036#false} is VALID [2022-04-28 10:21:26,600 INFO L290 TraceCheckUtils]: 33: Hoare triple {11036#false} ~cond := #in~cond; {11036#false} is VALID [2022-04-28 10:21:26,601 INFO L290 TraceCheckUtils]: 34: Hoare triple {11036#false} assume 0 == ~cond; {11036#false} is VALID [2022-04-28 10:21:26,601 INFO L290 TraceCheckUtils]: 35: Hoare triple {11036#false} assume !false; {11036#false} is VALID [2022-04-28 10:21:26,601 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:21:26,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 10:21:26,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672051569] [2022-04-28 10:21:26,601 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672051569] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 10:21:26,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1802701434] [2022-04-28 10:21:26,601 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-28 10:21:26,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:21:26,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 10:21:26,602 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 10:21:26,603 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2022-04-28 10:21:26,668 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-28 10:21:26,668 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 10:21:26,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 49 conjunts are in the unsatisfiable core [2022-04-28 10:21:26,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:21:26,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 10:21:27,024 INFO L272 TraceCheckUtils]: 0: Hoare triple {11035#true} call ULTIMATE.init(); {11035#true} is VALID [2022-04-28 10:21:27,024 INFO L290 TraceCheckUtils]: 1: Hoare triple {11035#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {11035#true} is VALID [2022-04-28 10:21:27,024 INFO L290 TraceCheckUtils]: 2: Hoare triple {11035#true} assume true; {11035#true} is VALID [2022-04-28 10:21:27,024 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {11035#true} {11035#true} #63#return; {11035#true} is VALID [2022-04-28 10:21:27,024 INFO L272 TraceCheckUtils]: 4: Hoare triple {11035#true} call #t~ret7 := main(); {11035#true} is VALID [2022-04-28 10:21:27,024 INFO L290 TraceCheckUtils]: 5: Hoare triple {11035#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {11035#true} is VALID [2022-04-28 10:21:27,025 INFO L290 TraceCheckUtils]: 6: Hoare triple {11035#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {11035#true} is VALID [2022-04-28 10:21:27,025 INFO L290 TraceCheckUtils]: 7: Hoare triple {11035#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {11040#(= main_~z~0 0)} is VALID [2022-04-28 10:21:27,025 INFO L290 TraceCheckUtils]: 8: Hoare triple {11040#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11041#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:21:27,026 INFO L290 TraceCheckUtils]: 9: Hoare triple {11041#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11042#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:21:27,026 INFO L290 TraceCheckUtils]: 10: Hoare triple {11042#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11043#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:21:27,027 INFO L290 TraceCheckUtils]: 11: Hoare triple {11043#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11044#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:21:27,027 INFO L290 TraceCheckUtils]: 12: Hoare triple {11044#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11045#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:21:27,028 INFO L290 TraceCheckUtils]: 13: Hoare triple {11045#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11046#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:21:27,028 INFO L290 TraceCheckUtils]: 14: Hoare triple {11046#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11047#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:21:27,031 INFO L290 TraceCheckUtils]: 15: Hoare triple {11047#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11048#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:21:27,031 INFO L290 TraceCheckUtils]: 16: Hoare triple {11048#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11049#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:21:27,032 INFO L290 TraceCheckUtils]: 17: Hoare triple {11049#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11050#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:21:27,032 INFO L290 TraceCheckUtils]: 18: Hoare triple {11050#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11051#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:21:27,033 INFO L290 TraceCheckUtils]: 19: Hoare triple {11051#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11052#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:21:27,033 INFO L290 TraceCheckUtils]: 20: Hoare triple {11052#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11053#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:21:27,034 INFO L290 TraceCheckUtils]: 21: Hoare triple {11053#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11054#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:21:27,034 INFO L290 TraceCheckUtils]: 22: Hoare triple {11054#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11055#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:21:27,035 INFO L290 TraceCheckUtils]: 23: Hoare triple {11055#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11056#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:21:27,035 INFO L290 TraceCheckUtils]: 24: Hoare triple {11056#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11057#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:21:27,036 INFO L290 TraceCheckUtils]: 25: Hoare triple {11057#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11058#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:21:27,036 INFO L290 TraceCheckUtils]: 26: Hoare triple {11058#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11059#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:21:27,037 INFO L290 TraceCheckUtils]: 27: Hoare triple {11059#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11060#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 10:21:27,037 INFO L290 TraceCheckUtils]: 28: Hoare triple {11060#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11061#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 10:21:27,038 INFO L290 TraceCheckUtils]: 29: Hoare triple {11061#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11062#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 10:21:27,038 INFO L290 TraceCheckUtils]: 30: Hoare triple {11062#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11158#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 10:21:27,039 INFO L290 TraceCheckUtils]: 31: Hoare triple {11158#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !(~z~0 % 4294967296 < 268435455); {11036#false} is VALID [2022-04-28 10:21:27,039 INFO L272 TraceCheckUtils]: 32: Hoare triple {11036#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {11036#false} is VALID [2022-04-28 10:21:27,039 INFO L290 TraceCheckUtils]: 33: Hoare triple {11036#false} ~cond := #in~cond; {11036#false} is VALID [2022-04-28 10:21:27,039 INFO L290 TraceCheckUtils]: 34: Hoare triple {11036#false} assume 0 == ~cond; {11036#false} is VALID [2022-04-28 10:21:27,039 INFO L290 TraceCheckUtils]: 35: Hoare triple {11036#false} assume !false; {11036#false} is VALID [2022-04-28 10:21:27,039 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:21:27,039 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 10:21:28,066 INFO L290 TraceCheckUtils]: 35: Hoare triple {11036#false} assume !false; {11036#false} is VALID [2022-04-28 10:21:28,066 INFO L290 TraceCheckUtils]: 34: Hoare triple {11036#false} assume 0 == ~cond; {11036#false} is VALID [2022-04-28 10:21:28,066 INFO L290 TraceCheckUtils]: 33: Hoare triple {11036#false} ~cond := #in~cond; {11036#false} is VALID [2022-04-28 10:21:28,066 INFO L272 TraceCheckUtils]: 32: Hoare triple {11036#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {11036#false} is VALID [2022-04-28 10:21:28,066 INFO L290 TraceCheckUtils]: 31: Hoare triple {11186#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {11036#false} is VALID [2022-04-28 10:21:28,067 INFO L290 TraceCheckUtils]: 30: Hoare triple {11190#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11186#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 10:21:28,068 INFO L290 TraceCheckUtils]: 29: Hoare triple {11194#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11190#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 10:21:28,068 INFO L290 TraceCheckUtils]: 28: Hoare triple {11198#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11194#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 10:21:28,069 INFO L290 TraceCheckUtils]: 27: Hoare triple {11202#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11198#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 10:21:28,070 INFO L290 TraceCheckUtils]: 26: Hoare triple {11206#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11202#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 10:21:28,070 INFO L290 TraceCheckUtils]: 25: Hoare triple {11210#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11206#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:21:28,071 INFO L290 TraceCheckUtils]: 24: Hoare triple {11214#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11210#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} is VALID [2022-04-28 10:21:28,071 INFO L290 TraceCheckUtils]: 23: Hoare triple {11218#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11214#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:21:28,072 INFO L290 TraceCheckUtils]: 22: Hoare triple {11222#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11218#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} is VALID [2022-04-28 10:21:28,073 INFO L290 TraceCheckUtils]: 21: Hoare triple {11226#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11222#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} is VALID [2022-04-28 10:21:28,073 INFO L290 TraceCheckUtils]: 20: Hoare triple {11230#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11226#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} is VALID [2022-04-28 10:21:28,074 INFO L290 TraceCheckUtils]: 19: Hoare triple {11234#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11230#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} is VALID [2022-04-28 10:21:28,075 INFO L290 TraceCheckUtils]: 18: Hoare triple {11238#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11234#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} is VALID [2022-04-28 10:21:28,075 INFO L290 TraceCheckUtils]: 17: Hoare triple {11242#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11238#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} is VALID [2022-04-28 10:21:28,076 INFO L290 TraceCheckUtils]: 16: Hoare triple {11246#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11242#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} is VALID [2022-04-28 10:21:28,083 INFO L290 TraceCheckUtils]: 15: Hoare triple {11250#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11246#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} is VALID [2022-04-28 10:21:28,084 INFO L290 TraceCheckUtils]: 14: Hoare triple {11254#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11250#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} is VALID [2022-04-28 10:21:28,084 INFO L290 TraceCheckUtils]: 13: Hoare triple {11258#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11254#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} is VALID [2022-04-28 10:21:28,085 INFO L290 TraceCheckUtils]: 12: Hoare triple {11262#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11258#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} is VALID [2022-04-28 10:21:28,086 INFO L290 TraceCheckUtils]: 11: Hoare triple {11266#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11262#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:21:28,086 INFO L290 TraceCheckUtils]: 10: Hoare triple {11270#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11266#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} is VALID [2022-04-28 10:21:28,087 INFO L290 TraceCheckUtils]: 9: Hoare triple {11274#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11270#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} is VALID [2022-04-28 10:21:28,088 INFO L290 TraceCheckUtils]: 8: Hoare triple {11278#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11274#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} is VALID [2022-04-28 10:21:28,088 INFO L290 TraceCheckUtils]: 7: Hoare triple {11035#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {11278#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:21:28,088 INFO L290 TraceCheckUtils]: 6: Hoare triple {11035#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {11035#true} is VALID [2022-04-28 10:21:28,088 INFO L290 TraceCheckUtils]: 5: Hoare triple {11035#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {11035#true} is VALID [2022-04-28 10:21:28,088 INFO L272 TraceCheckUtils]: 4: Hoare triple {11035#true} call #t~ret7 := main(); {11035#true} is VALID [2022-04-28 10:21:28,088 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {11035#true} {11035#true} #63#return; {11035#true} is VALID [2022-04-28 10:21:28,088 INFO L290 TraceCheckUtils]: 2: Hoare triple {11035#true} assume true; {11035#true} is VALID [2022-04-28 10:21:28,088 INFO L290 TraceCheckUtils]: 1: Hoare triple {11035#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {11035#true} is VALID [2022-04-28 10:21:28,089 INFO L272 TraceCheckUtils]: 0: Hoare triple {11035#true} call ULTIMATE.init(); {11035#true} is VALID [2022-04-28 10:21:28,089 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:21:28,089 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1802701434] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 10:21:28,089 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 10:21:28,089 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 26, 26] total 52 [2022-04-28 10:21:28,089 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 10:21:28,089 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1399834668] [2022-04-28 10:21:28,089 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1399834668] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 10:21:28,089 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 10:21:28,089 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-04-28 10:21:28,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973819830] [2022-04-28 10:21:28,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 10:21:28,090 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 1.1851851851851851) internal successors, (32), 26 states have internal predecessors, (32), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 36 [2022-04-28 10:21:28,090 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 10:21:28,090 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 27 states, 27 states have (on average 1.1851851851851851) internal successors, (32), 26 states have internal predecessors, (32), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:21:28,113 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 36 edges. 36 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:21:28,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-04-28 10:21:28,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 10:21:28,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-04-28 10:21:28,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=725, Invalid=1927, Unknown=0, NotChecked=0, Total=2652 [2022-04-28 10:21:28,114 INFO L87 Difference]: Start difference. First operand 45 states and 49 transitions. Second operand has 27 states, 27 states have (on average 1.1851851851851851) internal successors, (32), 26 states have internal predecessors, (32), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:21:29,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:21:29,855 INFO L93 Difference]: Finished difference Result 85 states and 94 transitions. [2022-04-28 10:21:29,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-04-28 10:21:29,855 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 1.1851851851851851) internal successors, (32), 26 states have internal predecessors, (32), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 36 [2022-04-28 10:21:29,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 10:21:29,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 27 states have (on average 1.1851851851851851) internal successors, (32), 26 states have internal predecessors, (32), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:21:29,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 69 transitions. [2022-04-28 10:21:29,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 27 states have (on average 1.1851851851851851) internal successors, (32), 26 states have internal predecessors, (32), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:21:29,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 69 transitions. [2022-04-28 10:21:29,857 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 27 states and 69 transitions. [2022-04-28 10:21:29,903 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 69 edges. 69 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:21:29,904 INFO L225 Difference]: With dead ends: 85 [2022-04-28 10:21:29,904 INFO L226 Difference]: Without dead ends: 47 [2022-04-28 10:21:29,904 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 50 SyntacticMatches, 1 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 328 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=1443, Invalid=4257, Unknown=0, NotChecked=0, Total=5700 [2022-04-28 10:21:29,905 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 17 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 917 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 970 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 917 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-04-28 10:21:29,905 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 128 Invalid, 970 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 917 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-04-28 10:21:29,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2022-04-28 10:21:29,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 46. [2022-04-28 10:21:29,938 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 10:21:29,938 INFO L82 GeneralOperation]: Start isEquivalent. First operand 47 states. Second operand has 46 states, 38 states have (on average 1.105263157894737) internal successors, (42), 39 states have internal predecessors, (42), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:21:29,938 INFO L74 IsIncluded]: Start isIncluded. First operand 47 states. Second operand has 46 states, 38 states have (on average 1.105263157894737) internal successors, (42), 39 states have internal predecessors, (42), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:21:29,939 INFO L87 Difference]: Start difference. First operand 47 states. Second operand has 46 states, 38 states have (on average 1.105263157894737) internal successors, (42), 39 states have internal predecessors, (42), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:21:29,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:21:29,939 INFO L93 Difference]: Finished difference Result 47 states and 51 transitions. [2022-04-28 10:21:29,939 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 51 transitions. [2022-04-28 10:21:29,939 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:21:29,939 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:21:29,940 INFO L74 IsIncluded]: Start isIncluded. First operand has 46 states, 38 states have (on average 1.105263157894737) internal successors, (42), 39 states have internal predecessors, (42), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 47 states. [2022-04-28 10:21:29,940 INFO L87 Difference]: Start difference. First operand has 46 states, 38 states have (on average 1.105263157894737) internal successors, (42), 39 states have internal predecessors, (42), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 47 states. [2022-04-28 10:21:29,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:21:29,940 INFO L93 Difference]: Finished difference Result 47 states and 51 transitions. [2022-04-28 10:21:29,940 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 51 transitions. [2022-04-28 10:21:29,940 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:21:29,940 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:21:29,940 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 10:21:29,941 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 10:21:29,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 38 states have (on average 1.105263157894737) internal successors, (42), 39 states have internal predecessors, (42), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:21:29,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 50 transitions. [2022-04-28 10:21:29,941 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 50 transitions. Word has length 36 [2022-04-28 10:21:29,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 10:21:29,941 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 50 transitions. [2022-04-28 10:21:29,941 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 1.1851851851851851) internal successors, (32), 26 states have internal predecessors, (32), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:21:29,941 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 46 states and 50 transitions. [2022-04-28 10:21:29,988 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 50 edges. 50 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:21:29,988 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 50 transitions. [2022-04-28 10:21:29,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-04-28 10:21:29,988 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 10:21:29,988 INFO L195 NwaCegarLoop]: trace histogram [24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 10:21:30,005 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2022-04-28 10:21:30,189 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:21:30,189 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 10:21:30,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 10:21:30,189 INFO L85 PathProgramCache]: Analyzing trace with hash 241521474, now seen corresponding path program 47 times [2022-04-28 10:21:30,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 10:21:30,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [2007731454] [2022-04-28 10:21:30,193 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-28 10:21:30,193 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-28 10:21:30,193 INFO L85 PathProgramCache]: Analyzing trace with hash 241521474, now seen corresponding path program 48 times [2022-04-28 10:21:30,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 10:21:30,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080609146] [2022-04-28 10:21:30,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 10:21:30,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 10:21:30,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:21:30,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 10:21:30,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:21:30,647 INFO L290 TraceCheckUtils]: 0: Hoare triple {11740#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {11710#true} is VALID [2022-04-28 10:21:30,647 INFO L290 TraceCheckUtils]: 1: Hoare triple {11710#true} assume true; {11710#true} is VALID [2022-04-28 10:21:30,647 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {11710#true} {11710#true} #63#return; {11710#true} is VALID [2022-04-28 10:21:30,648 INFO L272 TraceCheckUtils]: 0: Hoare triple {11710#true} call ULTIMATE.init(); {11740#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 10:21:30,648 INFO L290 TraceCheckUtils]: 1: Hoare triple {11740#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {11710#true} is VALID [2022-04-28 10:21:30,648 INFO L290 TraceCheckUtils]: 2: Hoare triple {11710#true} assume true; {11710#true} is VALID [2022-04-28 10:21:30,648 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {11710#true} {11710#true} #63#return; {11710#true} is VALID [2022-04-28 10:21:30,648 INFO L272 TraceCheckUtils]: 4: Hoare triple {11710#true} call #t~ret7 := main(); {11710#true} is VALID [2022-04-28 10:21:30,648 INFO L290 TraceCheckUtils]: 5: Hoare triple {11710#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {11710#true} is VALID [2022-04-28 10:21:30,648 INFO L290 TraceCheckUtils]: 6: Hoare triple {11710#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {11710#true} is VALID [2022-04-28 10:21:30,648 INFO L290 TraceCheckUtils]: 7: Hoare triple {11710#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {11715#(= main_~z~0 0)} is VALID [2022-04-28 10:21:30,649 INFO L290 TraceCheckUtils]: 8: Hoare triple {11715#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11716#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:21:30,649 INFO L290 TraceCheckUtils]: 9: Hoare triple {11716#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11717#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:21:30,650 INFO L290 TraceCheckUtils]: 10: Hoare triple {11717#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11718#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:21:30,650 INFO L290 TraceCheckUtils]: 11: Hoare triple {11718#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11719#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:21:30,650 INFO L290 TraceCheckUtils]: 12: Hoare triple {11719#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11720#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:21:30,651 INFO L290 TraceCheckUtils]: 13: Hoare triple {11720#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11721#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:21:30,651 INFO L290 TraceCheckUtils]: 14: Hoare triple {11721#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11722#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:21:30,652 INFO L290 TraceCheckUtils]: 15: Hoare triple {11722#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11723#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:21:30,652 INFO L290 TraceCheckUtils]: 16: Hoare triple {11723#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11724#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:21:30,653 INFO L290 TraceCheckUtils]: 17: Hoare triple {11724#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11725#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:21:30,653 INFO L290 TraceCheckUtils]: 18: Hoare triple {11725#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11726#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:21:30,654 INFO L290 TraceCheckUtils]: 19: Hoare triple {11726#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11727#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:21:30,654 INFO L290 TraceCheckUtils]: 20: Hoare triple {11727#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11728#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:21:30,655 INFO L290 TraceCheckUtils]: 21: Hoare triple {11728#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11729#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:21:30,655 INFO L290 TraceCheckUtils]: 22: Hoare triple {11729#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11730#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:21:30,655 INFO L290 TraceCheckUtils]: 23: Hoare triple {11730#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11731#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:21:30,656 INFO L290 TraceCheckUtils]: 24: Hoare triple {11731#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11732#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:21:30,656 INFO L290 TraceCheckUtils]: 25: Hoare triple {11732#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11733#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:21:30,657 INFO L290 TraceCheckUtils]: 26: Hoare triple {11733#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11734#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:21:30,657 INFO L290 TraceCheckUtils]: 27: Hoare triple {11734#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11735#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 10:21:30,658 INFO L290 TraceCheckUtils]: 28: Hoare triple {11735#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11736#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 10:21:30,658 INFO L290 TraceCheckUtils]: 29: Hoare triple {11736#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11737#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 10:21:30,659 INFO L290 TraceCheckUtils]: 30: Hoare triple {11737#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11738#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 10:21:30,660 INFO L290 TraceCheckUtils]: 31: Hoare triple {11738#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11739#(and (<= main_~z~0 24) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} is VALID [2022-04-28 10:21:30,660 INFO L290 TraceCheckUtils]: 32: Hoare triple {11739#(and (<= main_~z~0 24) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} assume !(~z~0 % 4294967296 < 268435455); {11711#false} is VALID [2022-04-28 10:21:30,660 INFO L272 TraceCheckUtils]: 33: Hoare triple {11711#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {11711#false} is VALID [2022-04-28 10:21:30,660 INFO L290 TraceCheckUtils]: 34: Hoare triple {11711#false} ~cond := #in~cond; {11711#false} is VALID [2022-04-28 10:21:30,660 INFO L290 TraceCheckUtils]: 35: Hoare triple {11711#false} assume 0 == ~cond; {11711#false} is VALID [2022-04-28 10:21:30,660 INFO L290 TraceCheckUtils]: 36: Hoare triple {11711#false} assume !false; {11711#false} is VALID [2022-04-28 10:21:30,661 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:21:30,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 10:21:30,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080609146] [2022-04-28 10:21:30,661 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1080609146] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 10:21:30,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1294631422] [2022-04-28 10:21:30,661 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-04-28 10:21:30,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:21:30,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 10:21:30,662 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 10:21:30,662 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2022-04-28 10:21:31,113 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 13 check-sat command(s) [2022-04-28 10:21:31,113 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 10:21:31,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 53 conjunts are in the unsatisfiable core [2022-04-28 10:21:31,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:21:31,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 10:21:31,494 INFO L272 TraceCheckUtils]: 0: Hoare triple {11710#true} call ULTIMATE.init(); {11710#true} is VALID [2022-04-28 10:21:31,494 INFO L290 TraceCheckUtils]: 1: Hoare triple {11710#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {11710#true} is VALID [2022-04-28 10:21:31,494 INFO L290 TraceCheckUtils]: 2: Hoare triple {11710#true} assume true; {11710#true} is VALID [2022-04-28 10:21:31,494 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {11710#true} {11710#true} #63#return; {11710#true} is VALID [2022-04-28 10:21:31,495 INFO L272 TraceCheckUtils]: 4: Hoare triple {11710#true} call #t~ret7 := main(); {11710#true} is VALID [2022-04-28 10:21:31,495 INFO L290 TraceCheckUtils]: 5: Hoare triple {11710#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {11710#true} is VALID [2022-04-28 10:21:31,495 INFO L290 TraceCheckUtils]: 6: Hoare triple {11710#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {11710#true} is VALID [2022-04-28 10:21:31,495 INFO L290 TraceCheckUtils]: 7: Hoare triple {11710#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {11715#(= main_~z~0 0)} is VALID [2022-04-28 10:21:31,496 INFO L290 TraceCheckUtils]: 8: Hoare triple {11715#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11716#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:21:31,496 INFO L290 TraceCheckUtils]: 9: Hoare triple {11716#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11717#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:21:31,497 INFO L290 TraceCheckUtils]: 10: Hoare triple {11717#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11718#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:21:31,497 INFO L290 TraceCheckUtils]: 11: Hoare triple {11718#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11719#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:21:31,498 INFO L290 TraceCheckUtils]: 12: Hoare triple {11719#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11720#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:21:31,498 INFO L290 TraceCheckUtils]: 13: Hoare triple {11720#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11721#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:21:31,498 INFO L290 TraceCheckUtils]: 14: Hoare triple {11721#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11722#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:21:31,499 INFO L290 TraceCheckUtils]: 15: Hoare triple {11722#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11723#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:21:31,499 INFO L290 TraceCheckUtils]: 16: Hoare triple {11723#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11724#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:21:31,500 INFO L290 TraceCheckUtils]: 17: Hoare triple {11724#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11725#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:21:31,500 INFO L290 TraceCheckUtils]: 18: Hoare triple {11725#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11726#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:21:31,501 INFO L290 TraceCheckUtils]: 19: Hoare triple {11726#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11727#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:21:31,501 INFO L290 TraceCheckUtils]: 20: Hoare triple {11727#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11728#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:21:31,502 INFO L290 TraceCheckUtils]: 21: Hoare triple {11728#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11729#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:21:31,502 INFO L290 TraceCheckUtils]: 22: Hoare triple {11729#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11730#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:21:31,503 INFO L290 TraceCheckUtils]: 23: Hoare triple {11730#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11731#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:21:31,503 INFO L290 TraceCheckUtils]: 24: Hoare triple {11731#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11732#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:21:31,503 INFO L290 TraceCheckUtils]: 25: Hoare triple {11732#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11733#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:21:31,504 INFO L290 TraceCheckUtils]: 26: Hoare triple {11733#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11734#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:21:31,504 INFO L290 TraceCheckUtils]: 27: Hoare triple {11734#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11735#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 10:21:31,505 INFO L290 TraceCheckUtils]: 28: Hoare triple {11735#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11736#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 10:21:31,505 INFO L290 TraceCheckUtils]: 29: Hoare triple {11736#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11737#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 10:21:31,506 INFO L290 TraceCheckUtils]: 30: Hoare triple {11737#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11738#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 10:21:31,506 INFO L290 TraceCheckUtils]: 31: Hoare triple {11738#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11837#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 10:21:31,507 INFO L290 TraceCheckUtils]: 32: Hoare triple {11837#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !(~z~0 % 4294967296 < 268435455); {11837#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 10:21:31,507 INFO L272 TraceCheckUtils]: 33: Hoare triple {11837#(and (<= main_~z~0 24) (<= 24 main_~z~0))} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {11844#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-28 10:21:31,507 INFO L290 TraceCheckUtils]: 34: Hoare triple {11844#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {11848#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-28 10:21:31,508 INFO L290 TraceCheckUtils]: 35: Hoare triple {11848#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {11711#false} is VALID [2022-04-28 10:21:31,508 INFO L290 TraceCheckUtils]: 36: Hoare triple {11711#false} assume !false; {11711#false} is VALID [2022-04-28 10:21:31,508 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:21:31,508 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 10:21:31,735 INFO L290 TraceCheckUtils]: 36: Hoare triple {11711#false} assume !false; {11711#false} is VALID [2022-04-28 10:21:31,736 INFO L290 TraceCheckUtils]: 35: Hoare triple {11848#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {11711#false} is VALID [2022-04-28 10:21:31,736 INFO L290 TraceCheckUtils]: 34: Hoare triple {11844#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {11848#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-28 10:21:31,737 INFO L272 TraceCheckUtils]: 33: Hoare triple {11864#(= (mod main_~z~0 4) 0)} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {11844#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-28 10:21:31,737 INFO L290 TraceCheckUtils]: 32: Hoare triple {11864#(= (mod main_~z~0 4) 0)} assume !(~z~0 % 4294967296 < 268435455); {11864#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 10:21:31,738 INFO L290 TraceCheckUtils]: 31: Hoare triple {11871#(= (mod (+ main_~z~0 1) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11864#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 10:21:31,738 INFO L290 TraceCheckUtils]: 30: Hoare triple {11875#(= (mod (+ main_~z~0 2) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11871#(= (mod (+ main_~z~0 1) 4) 0)} is VALID [2022-04-28 10:21:31,739 INFO L290 TraceCheckUtils]: 29: Hoare triple {11879#(= (mod (+ main_~z~0 3) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11875#(= (mod (+ main_~z~0 2) 4) 0)} is VALID [2022-04-28 10:21:31,740 INFO L290 TraceCheckUtils]: 28: Hoare triple {11864#(= (mod main_~z~0 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11879#(= (mod (+ main_~z~0 3) 4) 0)} is VALID [2022-04-28 10:21:31,740 INFO L290 TraceCheckUtils]: 27: Hoare triple {11871#(= (mod (+ main_~z~0 1) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11864#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 10:21:31,741 INFO L290 TraceCheckUtils]: 26: Hoare triple {11875#(= (mod (+ main_~z~0 2) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11871#(= (mod (+ main_~z~0 1) 4) 0)} is VALID [2022-04-28 10:21:31,741 INFO L290 TraceCheckUtils]: 25: Hoare triple {11879#(= (mod (+ main_~z~0 3) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11875#(= (mod (+ main_~z~0 2) 4) 0)} is VALID [2022-04-28 10:21:31,742 INFO L290 TraceCheckUtils]: 24: Hoare triple {11864#(= (mod main_~z~0 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11879#(= (mod (+ main_~z~0 3) 4) 0)} is VALID [2022-04-28 10:21:31,743 INFO L290 TraceCheckUtils]: 23: Hoare triple {11871#(= (mod (+ main_~z~0 1) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11864#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 10:21:31,743 INFO L290 TraceCheckUtils]: 22: Hoare triple {11875#(= (mod (+ main_~z~0 2) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11871#(= (mod (+ main_~z~0 1) 4) 0)} is VALID [2022-04-28 10:21:31,744 INFO L290 TraceCheckUtils]: 21: Hoare triple {11879#(= (mod (+ main_~z~0 3) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11875#(= (mod (+ main_~z~0 2) 4) 0)} is VALID [2022-04-28 10:21:31,744 INFO L290 TraceCheckUtils]: 20: Hoare triple {11864#(= (mod main_~z~0 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11879#(= (mod (+ main_~z~0 3) 4) 0)} is VALID [2022-04-28 10:21:31,745 INFO L290 TraceCheckUtils]: 19: Hoare triple {11871#(= (mod (+ main_~z~0 1) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11864#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 10:21:31,746 INFO L290 TraceCheckUtils]: 18: Hoare triple {11875#(= (mod (+ main_~z~0 2) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11871#(= (mod (+ main_~z~0 1) 4) 0)} is VALID [2022-04-28 10:21:31,746 INFO L290 TraceCheckUtils]: 17: Hoare triple {11879#(= (mod (+ main_~z~0 3) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11875#(= (mod (+ main_~z~0 2) 4) 0)} is VALID [2022-04-28 10:21:31,748 INFO L290 TraceCheckUtils]: 16: Hoare triple {11864#(= (mod main_~z~0 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11879#(= (mod (+ main_~z~0 3) 4) 0)} is VALID [2022-04-28 10:21:31,749 INFO L290 TraceCheckUtils]: 15: Hoare triple {11871#(= (mod (+ main_~z~0 1) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11864#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 10:21:31,750 INFO L290 TraceCheckUtils]: 14: Hoare triple {11875#(= (mod (+ main_~z~0 2) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11871#(= (mod (+ main_~z~0 1) 4) 0)} is VALID [2022-04-28 10:21:31,750 INFO L290 TraceCheckUtils]: 13: Hoare triple {11879#(= (mod (+ main_~z~0 3) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11875#(= (mod (+ main_~z~0 2) 4) 0)} is VALID [2022-04-28 10:21:31,751 INFO L290 TraceCheckUtils]: 12: Hoare triple {11864#(= (mod main_~z~0 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11879#(= (mod (+ main_~z~0 3) 4) 0)} is VALID [2022-04-28 10:21:31,751 INFO L290 TraceCheckUtils]: 11: Hoare triple {11871#(= (mod (+ main_~z~0 1) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11864#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 10:21:31,752 INFO L290 TraceCheckUtils]: 10: Hoare triple {11875#(= (mod (+ main_~z~0 2) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11871#(= (mod (+ main_~z~0 1) 4) 0)} is VALID [2022-04-28 10:21:31,753 INFO L290 TraceCheckUtils]: 9: Hoare triple {11879#(= (mod (+ main_~z~0 3) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11875#(= (mod (+ main_~z~0 2) 4) 0)} is VALID [2022-04-28 10:21:31,754 INFO L290 TraceCheckUtils]: 8: Hoare triple {11864#(= (mod main_~z~0 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {11879#(= (mod (+ main_~z~0 3) 4) 0)} is VALID [2022-04-28 10:21:31,755 INFO L290 TraceCheckUtils]: 7: Hoare triple {11710#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {11864#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 10:21:31,755 INFO L290 TraceCheckUtils]: 6: Hoare triple {11710#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {11710#true} is VALID [2022-04-28 10:21:31,755 INFO L290 TraceCheckUtils]: 5: Hoare triple {11710#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {11710#true} is VALID [2022-04-28 10:21:31,755 INFO L272 TraceCheckUtils]: 4: Hoare triple {11710#true} call #t~ret7 := main(); {11710#true} is VALID [2022-04-28 10:21:31,755 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {11710#true} {11710#true} #63#return; {11710#true} is VALID [2022-04-28 10:21:31,755 INFO L290 TraceCheckUtils]: 2: Hoare triple {11710#true} assume true; {11710#true} is VALID [2022-04-28 10:21:31,755 INFO L290 TraceCheckUtils]: 1: Hoare triple {11710#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {11710#true} is VALID [2022-04-28 10:21:31,755 INFO L272 TraceCheckUtils]: 0: Hoare triple {11710#true} call ULTIMATE.init(); {11710#true} is VALID [2022-04-28 10:21:31,756 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 234 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-04-28 10:21:31,756 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1294631422] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 10:21:31,756 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 10:21:31,756 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 29, 8] total 35 [2022-04-28 10:21:31,756 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 10:21:31,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [2007731454] [2022-04-28 10:21:31,756 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [2007731454] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 10:21:31,756 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 10:21:31,756 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-04-28 10:21:31,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683434624] [2022-04-28 10:21:31,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 10:21:31,757 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 27 states have internal predecessors, (33), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 37 [2022-04-28 10:21:31,757 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 10:21:31,757 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 28 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 27 states have internal predecessors, (33), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:21:31,778 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 37 edges. 37 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:21:31,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-04-28 10:21:31,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 10:21:31,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-04-28 10:21:31,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1073, Unknown=0, NotChecked=0, Total=1190 [2022-04-28 10:21:31,779 INFO L87 Difference]: Start difference. First operand 46 states and 50 transitions. Second operand has 28 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 27 states have internal predecessors, (33), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:21:33,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:21:33,614 INFO L93 Difference]: Finished difference Result 87 states and 96 transitions. [2022-04-28 10:21:33,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-04-28 10:21:33,614 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 27 states have internal predecessors, (33), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 37 [2022-04-28 10:21:33,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 10:21:33,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 27 states have internal predecessors, (33), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:21:33,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 70 transitions. [2022-04-28 10:21:33,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 27 states have internal predecessors, (33), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:21:33,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 70 transitions. [2022-04-28 10:21:33,616 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 28 states and 70 transitions. [2022-04-28 10:21:33,670 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 70 edges. 70 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:21:33,671 INFO L225 Difference]: With dead ends: 87 [2022-04-28 10:21:33,671 INFO L226 Difference]: Without dead ends: 48 [2022-04-28 10:21:33,671 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 69 SyntacticMatches, 2 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 324 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=289, Invalid=3251, Unknown=0, NotChecked=0, Total=3540 [2022-04-28 10:21:33,672 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 17 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 997 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 1052 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 997 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-04-28 10:21:33,672 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 138 Invalid, 1052 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 997 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-04-28 10:21:33,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2022-04-28 10:21:33,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 47. [2022-04-28 10:21:33,717 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 10:21:33,717 INFO L82 GeneralOperation]: Start isEquivalent. First operand 48 states. Second operand has 47 states, 39 states have (on average 1.1025641025641026) internal successors, (43), 40 states have internal predecessors, (43), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:21:33,718 INFO L74 IsIncluded]: Start isIncluded. First operand 48 states. Second operand has 47 states, 39 states have (on average 1.1025641025641026) internal successors, (43), 40 states have internal predecessors, (43), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:21:33,718 INFO L87 Difference]: Start difference. First operand 48 states. Second operand has 47 states, 39 states have (on average 1.1025641025641026) internal successors, (43), 40 states have internal predecessors, (43), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:21:33,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:21:33,718 INFO L93 Difference]: Finished difference Result 48 states and 52 transitions. [2022-04-28 10:21:33,720 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 52 transitions. [2022-04-28 10:21:33,720 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:21:33,720 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:21:33,720 INFO L74 IsIncluded]: Start isIncluded. First operand has 47 states, 39 states have (on average 1.1025641025641026) internal successors, (43), 40 states have internal predecessors, (43), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 48 states. [2022-04-28 10:21:33,720 INFO L87 Difference]: Start difference. First operand has 47 states, 39 states have (on average 1.1025641025641026) internal successors, (43), 40 states have internal predecessors, (43), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 48 states. [2022-04-28 10:21:33,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:21:33,721 INFO L93 Difference]: Finished difference Result 48 states and 52 transitions. [2022-04-28 10:21:33,721 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 52 transitions. [2022-04-28 10:21:33,721 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:21:33,721 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:21:33,721 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 10:21:33,721 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 10:21:33,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 39 states have (on average 1.1025641025641026) internal successors, (43), 40 states have internal predecessors, (43), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:21:33,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 51 transitions. [2022-04-28 10:21:33,722 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 51 transitions. Word has length 37 [2022-04-28 10:21:33,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 10:21:33,722 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 51 transitions. [2022-04-28 10:21:33,722 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 27 states have internal predecessors, (33), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:21:33,722 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 47 states and 51 transitions. [2022-04-28 10:21:33,776 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 51 edges. 51 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:21:33,776 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 51 transitions. [2022-04-28 10:21:33,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-04-28 10:21:33,776 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 10:21:33,777 INFO L195 NwaCegarLoop]: trace histogram [25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 10:21:33,783 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2022-04-28 10:21:33,977 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2022-04-28 10:21:33,977 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 10:21:33,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 10:21:33,977 INFO L85 PathProgramCache]: Analyzing trace with hash -1076466334, now seen corresponding path program 49 times [2022-04-28 10:21:33,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 10:21:33,978 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [485969328] [2022-04-28 10:21:33,979 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-28 10:21:33,980 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-28 10:21:33,980 INFO L85 PathProgramCache]: Analyzing trace with hash -1076466334, now seen corresponding path program 50 times [2022-04-28 10:21:33,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 10:21:33,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588821178] [2022-04-28 10:21:33,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 10:21:33,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 10:21:33,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:21:34,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 10:21:34,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:21:34,429 INFO L290 TraceCheckUtils]: 0: Hoare triple {12415#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {12384#true} is VALID [2022-04-28 10:21:34,429 INFO L290 TraceCheckUtils]: 1: Hoare triple {12384#true} assume true; {12384#true} is VALID [2022-04-28 10:21:34,429 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {12384#true} {12384#true} #63#return; {12384#true} is VALID [2022-04-28 10:21:34,430 INFO L272 TraceCheckUtils]: 0: Hoare triple {12384#true} call ULTIMATE.init(); {12415#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 10:21:34,430 INFO L290 TraceCheckUtils]: 1: Hoare triple {12415#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {12384#true} is VALID [2022-04-28 10:21:34,430 INFO L290 TraceCheckUtils]: 2: Hoare triple {12384#true} assume true; {12384#true} is VALID [2022-04-28 10:21:34,430 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {12384#true} {12384#true} #63#return; {12384#true} is VALID [2022-04-28 10:21:34,430 INFO L272 TraceCheckUtils]: 4: Hoare triple {12384#true} call #t~ret7 := main(); {12384#true} is VALID [2022-04-28 10:21:34,430 INFO L290 TraceCheckUtils]: 5: Hoare triple {12384#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {12384#true} is VALID [2022-04-28 10:21:34,430 INFO L290 TraceCheckUtils]: 6: Hoare triple {12384#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {12384#true} is VALID [2022-04-28 10:21:34,430 INFO L290 TraceCheckUtils]: 7: Hoare triple {12384#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {12389#(= main_~z~0 0)} is VALID [2022-04-28 10:21:34,431 INFO L290 TraceCheckUtils]: 8: Hoare triple {12389#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12390#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:21:34,431 INFO L290 TraceCheckUtils]: 9: Hoare triple {12390#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12391#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:21:34,432 INFO L290 TraceCheckUtils]: 10: Hoare triple {12391#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12392#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:21:34,432 INFO L290 TraceCheckUtils]: 11: Hoare triple {12392#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12393#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:21:34,433 INFO L290 TraceCheckUtils]: 12: Hoare triple {12393#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12394#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:21:34,433 INFO L290 TraceCheckUtils]: 13: Hoare triple {12394#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12395#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:21:34,434 INFO L290 TraceCheckUtils]: 14: Hoare triple {12395#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12396#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:21:34,434 INFO L290 TraceCheckUtils]: 15: Hoare triple {12396#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12397#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:21:34,435 INFO L290 TraceCheckUtils]: 16: Hoare triple {12397#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12398#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:21:34,435 INFO L290 TraceCheckUtils]: 17: Hoare triple {12398#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12399#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:21:34,436 INFO L290 TraceCheckUtils]: 18: Hoare triple {12399#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12400#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:21:34,436 INFO L290 TraceCheckUtils]: 19: Hoare triple {12400#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12401#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:21:34,437 INFO L290 TraceCheckUtils]: 20: Hoare triple {12401#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12402#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:21:34,437 INFO L290 TraceCheckUtils]: 21: Hoare triple {12402#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12403#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:21:34,438 INFO L290 TraceCheckUtils]: 22: Hoare triple {12403#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12404#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:21:34,438 INFO L290 TraceCheckUtils]: 23: Hoare triple {12404#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12405#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:21:34,439 INFO L290 TraceCheckUtils]: 24: Hoare triple {12405#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12406#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:21:34,440 INFO L290 TraceCheckUtils]: 25: Hoare triple {12406#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12407#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:21:34,440 INFO L290 TraceCheckUtils]: 26: Hoare triple {12407#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12408#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:21:34,441 INFO L290 TraceCheckUtils]: 27: Hoare triple {12408#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12409#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 10:21:34,441 INFO L290 TraceCheckUtils]: 28: Hoare triple {12409#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12410#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 10:21:34,442 INFO L290 TraceCheckUtils]: 29: Hoare triple {12410#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12411#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 10:21:34,442 INFO L290 TraceCheckUtils]: 30: Hoare triple {12411#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12412#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 10:21:34,443 INFO L290 TraceCheckUtils]: 31: Hoare triple {12412#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12413#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 10:21:34,443 INFO L290 TraceCheckUtils]: 32: Hoare triple {12413#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12414#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 25))} is VALID [2022-04-28 10:21:34,444 INFO L290 TraceCheckUtils]: 33: Hoare triple {12414#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 25))} assume !(~z~0 % 4294967296 < 268435455); {12385#false} is VALID [2022-04-28 10:21:34,444 INFO L272 TraceCheckUtils]: 34: Hoare triple {12385#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {12385#false} is VALID [2022-04-28 10:21:34,444 INFO L290 TraceCheckUtils]: 35: Hoare triple {12385#false} ~cond := #in~cond; {12385#false} is VALID [2022-04-28 10:21:34,444 INFO L290 TraceCheckUtils]: 36: Hoare triple {12385#false} assume 0 == ~cond; {12385#false} is VALID [2022-04-28 10:21:34,444 INFO L290 TraceCheckUtils]: 37: Hoare triple {12385#false} assume !false; {12385#false} is VALID [2022-04-28 10:21:34,444 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:21:34,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 10:21:34,444 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588821178] [2022-04-28 10:21:34,444 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588821178] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 10:21:34,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1192262725] [2022-04-28 10:21:34,445 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-28 10:21:34,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:21:34,445 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 10:21:34,446 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 10:21:34,447 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2022-04-28 10:21:34,507 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-28 10:21:34,507 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 10:21:34,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 53 conjunts are in the unsatisfiable core [2022-04-28 10:21:34,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:21:34,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 10:21:34,870 INFO L272 TraceCheckUtils]: 0: Hoare triple {12384#true} call ULTIMATE.init(); {12384#true} is VALID [2022-04-28 10:21:34,870 INFO L290 TraceCheckUtils]: 1: Hoare triple {12384#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {12384#true} is VALID [2022-04-28 10:21:34,871 INFO L290 TraceCheckUtils]: 2: Hoare triple {12384#true} assume true; {12384#true} is VALID [2022-04-28 10:21:34,871 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {12384#true} {12384#true} #63#return; {12384#true} is VALID [2022-04-28 10:21:34,871 INFO L272 TraceCheckUtils]: 4: Hoare triple {12384#true} call #t~ret7 := main(); {12384#true} is VALID [2022-04-28 10:21:34,871 INFO L290 TraceCheckUtils]: 5: Hoare triple {12384#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {12384#true} is VALID [2022-04-28 10:21:34,871 INFO L290 TraceCheckUtils]: 6: Hoare triple {12384#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {12384#true} is VALID [2022-04-28 10:21:34,871 INFO L290 TraceCheckUtils]: 7: Hoare triple {12384#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {12389#(= main_~z~0 0)} is VALID [2022-04-28 10:21:34,871 INFO L290 TraceCheckUtils]: 8: Hoare triple {12389#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12390#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:21:34,872 INFO L290 TraceCheckUtils]: 9: Hoare triple {12390#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12391#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:21:34,873 INFO L290 TraceCheckUtils]: 10: Hoare triple {12391#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12392#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:21:34,873 INFO L290 TraceCheckUtils]: 11: Hoare triple {12392#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12393#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:21:34,874 INFO L290 TraceCheckUtils]: 12: Hoare triple {12393#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12394#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:21:34,874 INFO L290 TraceCheckUtils]: 13: Hoare triple {12394#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12395#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:21:34,875 INFO L290 TraceCheckUtils]: 14: Hoare triple {12395#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12396#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:21:34,875 INFO L290 TraceCheckUtils]: 15: Hoare triple {12396#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12397#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:21:34,876 INFO L290 TraceCheckUtils]: 16: Hoare triple {12397#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12398#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:21:34,876 INFO L290 TraceCheckUtils]: 17: Hoare triple {12398#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12399#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:21:34,877 INFO L290 TraceCheckUtils]: 18: Hoare triple {12399#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12400#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:21:34,877 INFO L290 TraceCheckUtils]: 19: Hoare triple {12400#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12401#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:21:34,878 INFO L290 TraceCheckUtils]: 20: Hoare triple {12401#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12402#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:21:34,878 INFO L290 TraceCheckUtils]: 21: Hoare triple {12402#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12403#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:21:34,879 INFO L290 TraceCheckUtils]: 22: Hoare triple {12403#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12404#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:21:34,879 INFO L290 TraceCheckUtils]: 23: Hoare triple {12404#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12405#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:21:34,880 INFO L290 TraceCheckUtils]: 24: Hoare triple {12405#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12406#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:21:34,880 INFO L290 TraceCheckUtils]: 25: Hoare triple {12406#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12407#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:21:34,881 INFO L290 TraceCheckUtils]: 26: Hoare triple {12407#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12408#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:21:34,881 INFO L290 TraceCheckUtils]: 27: Hoare triple {12408#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12409#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 10:21:34,882 INFO L290 TraceCheckUtils]: 28: Hoare triple {12409#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12410#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 10:21:34,882 INFO L290 TraceCheckUtils]: 29: Hoare triple {12410#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12411#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 10:21:34,883 INFO L290 TraceCheckUtils]: 30: Hoare triple {12411#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12412#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 10:21:34,883 INFO L290 TraceCheckUtils]: 31: Hoare triple {12412#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12413#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 10:21:34,884 INFO L290 TraceCheckUtils]: 32: Hoare triple {12413#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12515#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 10:21:34,886 INFO L290 TraceCheckUtils]: 33: Hoare triple {12515#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !(~z~0 % 4294967296 < 268435455); {12385#false} is VALID [2022-04-28 10:21:34,886 INFO L272 TraceCheckUtils]: 34: Hoare triple {12385#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {12385#false} is VALID [2022-04-28 10:21:34,886 INFO L290 TraceCheckUtils]: 35: Hoare triple {12385#false} ~cond := #in~cond; {12385#false} is VALID [2022-04-28 10:21:34,886 INFO L290 TraceCheckUtils]: 36: Hoare triple {12385#false} assume 0 == ~cond; {12385#false} is VALID [2022-04-28 10:21:34,886 INFO L290 TraceCheckUtils]: 37: Hoare triple {12385#false} assume !false; {12385#false} is VALID [2022-04-28 10:21:34,886 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:21:34,886 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 10:21:35,958 INFO L290 TraceCheckUtils]: 37: Hoare triple {12385#false} assume !false; {12385#false} is VALID [2022-04-28 10:21:35,958 INFO L290 TraceCheckUtils]: 36: Hoare triple {12385#false} assume 0 == ~cond; {12385#false} is VALID [2022-04-28 10:21:35,958 INFO L290 TraceCheckUtils]: 35: Hoare triple {12385#false} ~cond := #in~cond; {12385#false} is VALID [2022-04-28 10:21:35,958 INFO L272 TraceCheckUtils]: 34: Hoare triple {12385#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {12385#false} is VALID [2022-04-28 10:21:35,959 INFO L290 TraceCheckUtils]: 33: Hoare triple {12543#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {12385#false} is VALID [2022-04-28 10:21:35,959 INFO L290 TraceCheckUtils]: 32: Hoare triple {12547#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12543#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 10:21:35,960 INFO L290 TraceCheckUtils]: 31: Hoare triple {12551#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12547#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 10:21:35,963 INFO L290 TraceCheckUtils]: 30: Hoare triple {12555#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12551#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 10:21:35,964 INFO L290 TraceCheckUtils]: 29: Hoare triple {12559#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12555#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 10:21:35,965 INFO L290 TraceCheckUtils]: 28: Hoare triple {12563#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12559#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 10:21:35,965 INFO L290 TraceCheckUtils]: 27: Hoare triple {12567#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12563#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:21:35,966 INFO L290 TraceCheckUtils]: 26: Hoare triple {12571#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12567#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} is VALID [2022-04-28 10:21:35,967 INFO L290 TraceCheckUtils]: 25: Hoare triple {12575#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12571#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:21:35,967 INFO L290 TraceCheckUtils]: 24: Hoare triple {12579#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12575#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} is VALID [2022-04-28 10:21:35,968 INFO L290 TraceCheckUtils]: 23: Hoare triple {12583#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12579#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} is VALID [2022-04-28 10:21:35,968 INFO L290 TraceCheckUtils]: 22: Hoare triple {12587#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12583#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} is VALID [2022-04-28 10:21:35,969 INFO L290 TraceCheckUtils]: 21: Hoare triple {12591#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12587#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} is VALID [2022-04-28 10:21:35,970 INFO L290 TraceCheckUtils]: 20: Hoare triple {12595#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12591#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} is VALID [2022-04-28 10:21:35,970 INFO L290 TraceCheckUtils]: 19: Hoare triple {12599#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12595#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} is VALID [2022-04-28 10:21:35,971 INFO L290 TraceCheckUtils]: 18: Hoare triple {12603#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12599#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} is VALID [2022-04-28 10:21:35,971 INFO L290 TraceCheckUtils]: 17: Hoare triple {12607#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12603#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} is VALID [2022-04-28 10:21:35,972 INFO L290 TraceCheckUtils]: 16: Hoare triple {12611#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12607#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} is VALID [2022-04-28 10:21:35,973 INFO L290 TraceCheckUtils]: 15: Hoare triple {12615#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12611#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} is VALID [2022-04-28 10:21:35,973 INFO L290 TraceCheckUtils]: 14: Hoare triple {12619#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12615#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} is VALID [2022-04-28 10:21:35,974 INFO L290 TraceCheckUtils]: 13: Hoare triple {12623#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12619#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:21:35,974 INFO L290 TraceCheckUtils]: 12: Hoare triple {12627#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12623#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} is VALID [2022-04-28 10:21:35,975 INFO L290 TraceCheckUtils]: 11: Hoare triple {12631#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12627#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} is VALID [2022-04-28 10:21:35,975 INFO L290 TraceCheckUtils]: 10: Hoare triple {12635#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12631#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} is VALID [2022-04-28 10:21:35,976 INFO L290 TraceCheckUtils]: 9: Hoare triple {12639#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12635#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:21:35,977 INFO L290 TraceCheckUtils]: 8: Hoare triple {12643#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {12639#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} is VALID [2022-04-28 10:21:35,977 INFO L290 TraceCheckUtils]: 7: Hoare triple {12384#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {12643#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} is VALID [2022-04-28 10:21:35,977 INFO L290 TraceCheckUtils]: 6: Hoare triple {12384#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {12384#true} is VALID [2022-04-28 10:21:35,977 INFO L290 TraceCheckUtils]: 5: Hoare triple {12384#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {12384#true} is VALID [2022-04-28 10:21:35,978 INFO L272 TraceCheckUtils]: 4: Hoare triple {12384#true} call #t~ret7 := main(); {12384#true} is VALID [2022-04-28 10:21:35,978 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {12384#true} {12384#true} #63#return; {12384#true} is VALID [2022-04-28 10:21:35,978 INFO L290 TraceCheckUtils]: 2: Hoare triple {12384#true} assume true; {12384#true} is VALID [2022-04-28 10:21:35,978 INFO L290 TraceCheckUtils]: 1: Hoare triple {12384#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {12384#true} is VALID [2022-04-28 10:21:35,978 INFO L272 TraceCheckUtils]: 0: Hoare triple {12384#true} call ULTIMATE.init(); {12384#true} is VALID [2022-04-28 10:21:35,978 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:21:35,978 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1192262725] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 10:21:35,978 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 10:21:35,978 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 28, 28] total 56 [2022-04-28 10:21:35,979 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 10:21:35,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [485969328] [2022-04-28 10:21:35,979 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [485969328] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 10:21:35,979 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 10:21:35,979 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2022-04-28 10:21:35,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601575781] [2022-04-28 10:21:35,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 10:21:35,979 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 1.1724137931034482) internal successors, (34), 28 states have internal predecessors, (34), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 38 [2022-04-28 10:21:35,979 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 10:21:35,979 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 29 states, 29 states have (on average 1.1724137931034482) internal successors, (34), 28 states have internal predecessors, (34), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:21:36,019 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 38 edges. 38 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:21:36,019 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-04-28 10:21:36,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 10:21:36,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-04-28 10:21:36,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=837, Invalid=2243, Unknown=0, NotChecked=0, Total=3080 [2022-04-28 10:21:36,020 INFO L87 Difference]: Start difference. First operand 47 states and 51 transitions. Second operand has 29 states, 29 states have (on average 1.1724137931034482) internal successors, (34), 28 states have internal predecessors, (34), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:21:37,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:21:37,761 INFO L93 Difference]: Finished difference Result 89 states and 98 transitions. [2022-04-28 10:21:37,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-04-28 10:21:37,762 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 1.1724137931034482) internal successors, (34), 28 states have internal predecessors, (34), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 38 [2022-04-28 10:21:37,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 10:21:37,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 29 states have (on average 1.1724137931034482) internal successors, (34), 28 states have internal predecessors, (34), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:21:37,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 71 transitions. [2022-04-28 10:21:37,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 29 states have (on average 1.1724137931034482) internal successors, (34), 28 states have internal predecessors, (34), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:21:37,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 71 transitions. [2022-04-28 10:21:37,764 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 29 states and 71 transitions. [2022-04-28 10:21:37,808 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 71 edges. 71 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:21:37,809 INFO L225 Difference]: With dead ends: 89 [2022-04-28 10:21:37,809 INFO L226 Difference]: Without dead ends: 49 [2022-04-28 10:21:37,810 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 52 SyntacticMatches, 1 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 381 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=1667, Invalid=4975, Unknown=0, NotChecked=0, Total=6642 [2022-04-28 10:21:37,810 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 17 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 884 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 941 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 884 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-04-28 10:21:37,810 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 83 Invalid, 941 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 884 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-04-28 10:21:37,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2022-04-28 10:21:37,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 48. [2022-04-28 10:21:37,848 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 10:21:37,848 INFO L82 GeneralOperation]: Start isEquivalent. First operand 49 states. Second operand has 48 states, 40 states have (on average 1.1) internal successors, (44), 41 states have internal predecessors, (44), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:21:37,848 INFO L74 IsIncluded]: Start isIncluded. First operand 49 states. Second operand has 48 states, 40 states have (on average 1.1) internal successors, (44), 41 states have internal predecessors, (44), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:21:37,848 INFO L87 Difference]: Start difference. First operand 49 states. Second operand has 48 states, 40 states have (on average 1.1) internal successors, (44), 41 states have internal predecessors, (44), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:21:37,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:21:37,849 INFO L93 Difference]: Finished difference Result 49 states and 53 transitions. [2022-04-28 10:21:37,849 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 53 transitions. [2022-04-28 10:21:37,849 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:21:37,849 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:21:37,849 INFO L74 IsIncluded]: Start isIncluded. First operand has 48 states, 40 states have (on average 1.1) internal successors, (44), 41 states have internal predecessors, (44), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 49 states. [2022-04-28 10:21:37,850 INFO L87 Difference]: Start difference. First operand has 48 states, 40 states have (on average 1.1) internal successors, (44), 41 states have internal predecessors, (44), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 49 states. [2022-04-28 10:21:37,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:21:37,850 INFO L93 Difference]: Finished difference Result 49 states and 53 transitions. [2022-04-28 10:21:37,850 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 53 transitions. [2022-04-28 10:21:37,850 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:21:37,850 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:21:37,850 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 10:21:37,850 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 10:21:37,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 40 states have (on average 1.1) internal successors, (44), 41 states have internal predecessors, (44), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:21:37,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 52 transitions. [2022-04-28 10:21:37,851 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 52 transitions. Word has length 38 [2022-04-28 10:21:37,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 10:21:37,851 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 52 transitions. [2022-04-28 10:21:37,851 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 1.1724137931034482) internal successors, (34), 28 states have internal predecessors, (34), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:21:37,851 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 48 states and 52 transitions. [2022-04-28 10:21:37,900 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 52 edges. 52 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:21:37,900 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 52 transitions. [2022-04-28 10:21:37,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-04-28 10:21:37,900 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 10:21:37,900 INFO L195 NwaCegarLoop]: trace histogram [26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 10:21:37,920 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2022-04-28 10:21:38,100 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2022-04-28 10:21:38,101 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 10:21:38,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 10:21:38,101 INFO L85 PathProgramCache]: Analyzing trace with hash 1015584578, now seen corresponding path program 51 times [2022-04-28 10:21:38,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 10:21:38,101 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [6204138] [2022-04-28 10:21:38,103 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-28 10:21:38,103 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-28 10:21:38,103 INFO L85 PathProgramCache]: Analyzing trace with hash 1015584578, now seen corresponding path program 52 times [2022-04-28 10:21:38,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 10:21:38,104 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237408636] [2022-04-28 10:21:38,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 10:21:38,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 10:21:38,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:21:38,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 10:21:38,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:21:38,576 INFO L290 TraceCheckUtils]: 0: Hoare triple {13127#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {13095#true} is VALID [2022-04-28 10:21:38,576 INFO L290 TraceCheckUtils]: 1: Hoare triple {13095#true} assume true; {13095#true} is VALID [2022-04-28 10:21:38,576 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {13095#true} {13095#true} #63#return; {13095#true} is VALID [2022-04-28 10:21:38,577 INFO L272 TraceCheckUtils]: 0: Hoare triple {13095#true} call ULTIMATE.init(); {13127#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 10:21:38,578 INFO L290 TraceCheckUtils]: 1: Hoare triple {13127#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {13095#true} is VALID [2022-04-28 10:21:38,578 INFO L290 TraceCheckUtils]: 2: Hoare triple {13095#true} assume true; {13095#true} is VALID [2022-04-28 10:21:38,578 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {13095#true} {13095#true} #63#return; {13095#true} is VALID [2022-04-28 10:21:38,578 INFO L272 TraceCheckUtils]: 4: Hoare triple {13095#true} call #t~ret7 := main(); {13095#true} is VALID [2022-04-28 10:21:38,578 INFO L290 TraceCheckUtils]: 5: Hoare triple {13095#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {13095#true} is VALID [2022-04-28 10:21:38,578 INFO L290 TraceCheckUtils]: 6: Hoare triple {13095#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {13095#true} is VALID [2022-04-28 10:21:38,578 INFO L290 TraceCheckUtils]: 7: Hoare triple {13095#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {13100#(= main_~z~0 0)} is VALID [2022-04-28 10:21:38,579 INFO L290 TraceCheckUtils]: 8: Hoare triple {13100#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13101#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:21:38,579 INFO L290 TraceCheckUtils]: 9: Hoare triple {13101#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13102#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:21:38,579 INFO L290 TraceCheckUtils]: 10: Hoare triple {13102#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13103#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:21:38,580 INFO L290 TraceCheckUtils]: 11: Hoare triple {13103#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13104#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:21:38,580 INFO L290 TraceCheckUtils]: 12: Hoare triple {13104#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13105#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:21:38,581 INFO L290 TraceCheckUtils]: 13: Hoare triple {13105#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13106#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:21:38,581 INFO L290 TraceCheckUtils]: 14: Hoare triple {13106#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13107#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:21:38,582 INFO L290 TraceCheckUtils]: 15: Hoare triple {13107#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13108#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:21:38,582 INFO L290 TraceCheckUtils]: 16: Hoare triple {13108#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13109#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:21:38,583 INFO L290 TraceCheckUtils]: 17: Hoare triple {13109#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13110#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:21:38,583 INFO L290 TraceCheckUtils]: 18: Hoare triple {13110#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13111#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:21:38,584 INFO L290 TraceCheckUtils]: 19: Hoare triple {13111#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13112#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:21:38,584 INFO L290 TraceCheckUtils]: 20: Hoare triple {13112#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13113#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:21:38,584 INFO L290 TraceCheckUtils]: 21: Hoare triple {13113#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13114#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:21:38,585 INFO L290 TraceCheckUtils]: 22: Hoare triple {13114#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13115#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:21:38,585 INFO L290 TraceCheckUtils]: 23: Hoare triple {13115#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13116#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:21:38,586 INFO L290 TraceCheckUtils]: 24: Hoare triple {13116#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13117#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:21:38,586 INFO L290 TraceCheckUtils]: 25: Hoare triple {13117#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13118#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:21:38,587 INFO L290 TraceCheckUtils]: 26: Hoare triple {13118#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13119#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:21:38,587 INFO L290 TraceCheckUtils]: 27: Hoare triple {13119#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13120#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 10:21:38,588 INFO L290 TraceCheckUtils]: 28: Hoare triple {13120#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13121#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 10:21:38,588 INFO L290 TraceCheckUtils]: 29: Hoare triple {13121#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13122#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 10:21:38,589 INFO L290 TraceCheckUtils]: 30: Hoare triple {13122#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13123#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 10:21:38,589 INFO L290 TraceCheckUtils]: 31: Hoare triple {13123#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13124#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 10:21:38,589 INFO L290 TraceCheckUtils]: 32: Hoare triple {13124#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13125#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 10:21:38,590 INFO L290 TraceCheckUtils]: 33: Hoare triple {13125#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13126#(and (<= main_~z~0 26) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} is VALID [2022-04-28 10:21:38,590 INFO L290 TraceCheckUtils]: 34: Hoare triple {13126#(and (<= main_~z~0 26) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} assume !(~z~0 % 4294967296 < 268435455); {13096#false} is VALID [2022-04-28 10:21:38,590 INFO L272 TraceCheckUtils]: 35: Hoare triple {13096#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {13096#false} is VALID [2022-04-28 10:21:38,590 INFO L290 TraceCheckUtils]: 36: Hoare triple {13096#false} ~cond := #in~cond; {13096#false} is VALID [2022-04-28 10:21:38,591 INFO L290 TraceCheckUtils]: 37: Hoare triple {13096#false} assume 0 == ~cond; {13096#false} is VALID [2022-04-28 10:21:38,591 INFO L290 TraceCheckUtils]: 38: Hoare triple {13096#false} assume !false; {13096#false} is VALID [2022-04-28 10:21:38,591 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:21:38,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 10:21:38,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237408636] [2022-04-28 10:21:38,591 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237408636] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 10:21:38,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1799273037] [2022-04-28 10:21:38,591 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-28 10:21:38,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:21:38,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 10:21:38,592 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 10:21:38,593 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2022-04-28 10:21:38,671 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-28 10:21:38,672 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 10:21:38,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 55 conjunts are in the unsatisfiable core [2022-04-28 10:21:38,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:21:38,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 10:21:39,019 INFO L272 TraceCheckUtils]: 0: Hoare triple {13095#true} call ULTIMATE.init(); {13095#true} is VALID [2022-04-28 10:21:39,019 INFO L290 TraceCheckUtils]: 1: Hoare triple {13095#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {13095#true} is VALID [2022-04-28 10:21:39,020 INFO L290 TraceCheckUtils]: 2: Hoare triple {13095#true} assume true; {13095#true} is VALID [2022-04-28 10:21:39,020 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {13095#true} {13095#true} #63#return; {13095#true} is VALID [2022-04-28 10:21:39,020 INFO L272 TraceCheckUtils]: 4: Hoare triple {13095#true} call #t~ret7 := main(); {13095#true} is VALID [2022-04-28 10:21:39,020 INFO L290 TraceCheckUtils]: 5: Hoare triple {13095#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {13095#true} is VALID [2022-04-28 10:21:39,020 INFO L290 TraceCheckUtils]: 6: Hoare triple {13095#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {13095#true} is VALID [2022-04-28 10:21:39,020 INFO L290 TraceCheckUtils]: 7: Hoare triple {13095#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {13100#(= main_~z~0 0)} is VALID [2022-04-28 10:21:39,020 INFO L290 TraceCheckUtils]: 8: Hoare triple {13100#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13101#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:21:39,021 INFO L290 TraceCheckUtils]: 9: Hoare triple {13101#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13102#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:21:39,021 INFO L290 TraceCheckUtils]: 10: Hoare triple {13102#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13103#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:21:39,022 INFO L290 TraceCheckUtils]: 11: Hoare triple {13103#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13104#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:21:39,022 INFO L290 TraceCheckUtils]: 12: Hoare triple {13104#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13105#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:21:39,023 INFO L290 TraceCheckUtils]: 13: Hoare triple {13105#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13106#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:21:39,023 INFO L290 TraceCheckUtils]: 14: Hoare triple {13106#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13107#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:21:39,024 INFO L290 TraceCheckUtils]: 15: Hoare triple {13107#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13108#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:21:39,024 INFO L290 TraceCheckUtils]: 16: Hoare triple {13108#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13109#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:21:39,025 INFO L290 TraceCheckUtils]: 17: Hoare triple {13109#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13110#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:21:39,025 INFO L290 TraceCheckUtils]: 18: Hoare triple {13110#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13111#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:21:39,025 INFO L290 TraceCheckUtils]: 19: Hoare triple {13111#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13112#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:21:39,026 INFO L290 TraceCheckUtils]: 20: Hoare triple {13112#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13113#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:21:39,026 INFO L290 TraceCheckUtils]: 21: Hoare triple {13113#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13114#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:21:39,027 INFO L290 TraceCheckUtils]: 22: Hoare triple {13114#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13115#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:21:39,027 INFO L290 TraceCheckUtils]: 23: Hoare triple {13115#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13116#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:21:39,028 INFO L290 TraceCheckUtils]: 24: Hoare triple {13116#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13117#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:21:39,028 INFO L290 TraceCheckUtils]: 25: Hoare triple {13117#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13118#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:21:39,029 INFO L290 TraceCheckUtils]: 26: Hoare triple {13118#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13119#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:21:39,029 INFO L290 TraceCheckUtils]: 27: Hoare triple {13119#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13120#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 10:21:39,029 INFO L290 TraceCheckUtils]: 28: Hoare triple {13120#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13121#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 10:21:39,030 INFO L290 TraceCheckUtils]: 29: Hoare triple {13121#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13122#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 10:21:39,030 INFO L290 TraceCheckUtils]: 30: Hoare triple {13122#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13123#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 10:21:39,031 INFO L290 TraceCheckUtils]: 31: Hoare triple {13123#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13124#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 10:21:39,031 INFO L290 TraceCheckUtils]: 32: Hoare triple {13124#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13125#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 10:21:39,032 INFO L290 TraceCheckUtils]: 33: Hoare triple {13125#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13230#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 10:21:39,032 INFO L290 TraceCheckUtils]: 34: Hoare triple {13230#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !(~z~0 % 4294967296 < 268435455); {13096#false} is VALID [2022-04-28 10:21:39,032 INFO L272 TraceCheckUtils]: 35: Hoare triple {13096#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {13096#false} is VALID [2022-04-28 10:21:39,032 INFO L290 TraceCheckUtils]: 36: Hoare triple {13096#false} ~cond := #in~cond; {13096#false} is VALID [2022-04-28 10:21:39,032 INFO L290 TraceCheckUtils]: 37: Hoare triple {13096#false} assume 0 == ~cond; {13096#false} is VALID [2022-04-28 10:21:39,032 INFO L290 TraceCheckUtils]: 38: Hoare triple {13096#false} assume !false; {13096#false} is VALID [2022-04-28 10:21:39,033 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:21:39,033 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 10:21:40,197 INFO L290 TraceCheckUtils]: 38: Hoare triple {13096#false} assume !false; {13096#false} is VALID [2022-04-28 10:21:40,198 INFO L290 TraceCheckUtils]: 37: Hoare triple {13096#false} assume 0 == ~cond; {13096#false} is VALID [2022-04-28 10:21:40,198 INFO L290 TraceCheckUtils]: 36: Hoare triple {13096#false} ~cond := #in~cond; {13096#false} is VALID [2022-04-28 10:21:40,198 INFO L272 TraceCheckUtils]: 35: Hoare triple {13096#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {13096#false} is VALID [2022-04-28 10:21:40,199 INFO L290 TraceCheckUtils]: 34: Hoare triple {13258#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {13096#false} is VALID [2022-04-28 10:21:40,202 INFO L290 TraceCheckUtils]: 33: Hoare triple {13262#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13258#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 10:21:40,203 INFO L290 TraceCheckUtils]: 32: Hoare triple {13266#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13262#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 10:21:40,204 INFO L290 TraceCheckUtils]: 31: Hoare triple {13270#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13266#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 10:21:40,204 INFO L290 TraceCheckUtils]: 30: Hoare triple {13274#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13270#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 10:21:40,205 INFO L290 TraceCheckUtils]: 29: Hoare triple {13278#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13274#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 10:21:40,206 INFO L290 TraceCheckUtils]: 28: Hoare triple {13282#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13278#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:21:40,207 INFO L290 TraceCheckUtils]: 27: Hoare triple {13286#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13282#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} is VALID [2022-04-28 10:21:40,207 INFO L290 TraceCheckUtils]: 26: Hoare triple {13290#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13286#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:21:40,208 INFO L290 TraceCheckUtils]: 25: Hoare triple {13294#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13290#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} is VALID [2022-04-28 10:21:40,209 INFO L290 TraceCheckUtils]: 24: Hoare triple {13298#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13294#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} is VALID [2022-04-28 10:21:40,210 INFO L290 TraceCheckUtils]: 23: Hoare triple {13302#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13298#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} is VALID [2022-04-28 10:21:40,210 INFO L290 TraceCheckUtils]: 22: Hoare triple {13306#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13302#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} is VALID [2022-04-28 10:21:40,211 INFO L290 TraceCheckUtils]: 21: Hoare triple {13310#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13306#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} is VALID [2022-04-28 10:21:40,212 INFO L290 TraceCheckUtils]: 20: Hoare triple {13314#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13310#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} is VALID [2022-04-28 10:21:40,212 INFO L290 TraceCheckUtils]: 19: Hoare triple {13318#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13314#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} is VALID [2022-04-28 10:21:40,213 INFO L290 TraceCheckUtils]: 18: Hoare triple {13322#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13318#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} is VALID [2022-04-28 10:21:40,214 INFO L290 TraceCheckUtils]: 17: Hoare triple {13326#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13322#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} is VALID [2022-04-28 10:21:40,214 INFO L290 TraceCheckUtils]: 16: Hoare triple {13330#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13326#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} is VALID [2022-04-28 10:21:40,215 INFO L290 TraceCheckUtils]: 15: Hoare triple {13334#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13330#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} is VALID [2022-04-28 10:21:40,216 INFO L290 TraceCheckUtils]: 14: Hoare triple {13338#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13334#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:21:40,217 INFO L290 TraceCheckUtils]: 13: Hoare triple {13342#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13338#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} is VALID [2022-04-28 10:21:40,217 INFO L290 TraceCheckUtils]: 12: Hoare triple {13346#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13342#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} is VALID [2022-04-28 10:21:40,218 INFO L290 TraceCheckUtils]: 11: Hoare triple {13350#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13346#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} is VALID [2022-04-28 10:21:40,219 INFO L290 TraceCheckUtils]: 10: Hoare triple {13354#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13350#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:21:40,219 INFO L290 TraceCheckUtils]: 9: Hoare triple {13358#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13354#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} is VALID [2022-04-28 10:21:40,220 INFO L290 TraceCheckUtils]: 8: Hoare triple {13362#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13358#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} is VALID [2022-04-28 10:21:40,220 INFO L290 TraceCheckUtils]: 7: Hoare triple {13095#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {13362#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} is VALID [2022-04-28 10:21:40,220 INFO L290 TraceCheckUtils]: 6: Hoare triple {13095#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {13095#true} is VALID [2022-04-28 10:21:40,221 INFO L290 TraceCheckUtils]: 5: Hoare triple {13095#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {13095#true} is VALID [2022-04-28 10:21:40,221 INFO L272 TraceCheckUtils]: 4: Hoare triple {13095#true} call #t~ret7 := main(); {13095#true} is VALID [2022-04-28 10:21:40,221 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {13095#true} {13095#true} #63#return; {13095#true} is VALID [2022-04-28 10:21:40,221 INFO L290 TraceCheckUtils]: 2: Hoare triple {13095#true} assume true; {13095#true} is VALID [2022-04-28 10:21:40,221 INFO L290 TraceCheckUtils]: 1: Hoare triple {13095#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {13095#true} is VALID [2022-04-28 10:21:40,221 INFO L272 TraceCheckUtils]: 0: Hoare triple {13095#true} call ULTIMATE.init(); {13095#true} is VALID [2022-04-28 10:21:40,221 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:21:40,221 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1799273037] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 10:21:40,222 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 10:21:40,222 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 29, 29] total 58 [2022-04-28 10:21:40,222 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 10:21:40,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [6204138] [2022-04-28 10:21:40,222 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [6204138] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 10:21:40,222 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 10:21:40,222 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2022-04-28 10:21:40,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230433237] [2022-04-28 10:21:40,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 10:21:40,222 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 1.1666666666666667) internal successors, (35), 29 states have internal predecessors, (35), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 39 [2022-04-28 10:21:40,222 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 10:21:40,223 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 30 states, 30 states have (on average 1.1666666666666667) internal successors, (35), 29 states have internal predecessors, (35), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:21:40,245 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 39 edges. 39 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:21:40,245 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-04-28 10:21:40,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 10:21:40,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-04-28 10:21:40,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=896, Invalid=2410, Unknown=0, NotChecked=0, Total=3306 [2022-04-28 10:21:40,247 INFO L87 Difference]: Start difference. First operand 48 states and 52 transitions. Second operand has 30 states, 30 states have (on average 1.1666666666666667) internal successors, (35), 29 states have internal predecessors, (35), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:21:42,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:21:42,052 INFO L93 Difference]: Finished difference Result 91 states and 100 transitions. [2022-04-28 10:21:42,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-04-28 10:21:42,052 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 1.1666666666666667) internal successors, (35), 29 states have internal predecessors, (35), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 39 [2022-04-28 10:21:42,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 10:21:42,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 30 states have (on average 1.1666666666666667) internal successors, (35), 29 states have internal predecessors, (35), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:21:42,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 72 transitions. [2022-04-28 10:21:42,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 30 states have (on average 1.1666666666666667) internal successors, (35), 29 states have internal predecessors, (35), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:21:42,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 72 transitions. [2022-04-28 10:21:42,054 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 30 states and 72 transitions. [2022-04-28 10:21:42,109 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 72 edges. 72 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:21:42,110 INFO L225 Difference]: With dead ends: 91 [2022-04-28 10:21:42,110 INFO L226 Difference]: Without dead ends: 50 [2022-04-28 10:21:42,111 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 53 SyntacticMatches, 1 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 409 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=1785, Invalid=5355, Unknown=0, NotChecked=0, Total=7140 [2022-04-28 10:21:42,111 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 18 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 952 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 1012 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 952 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-04-28 10:21:42,111 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 88 Invalid, 1012 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 952 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-04-28 10:21:42,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2022-04-28 10:21:42,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 49. [2022-04-28 10:21:42,177 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 10:21:42,177 INFO L82 GeneralOperation]: Start isEquivalent. First operand 50 states. Second operand has 49 states, 41 states have (on average 1.0975609756097562) internal successors, (45), 42 states have internal predecessors, (45), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:21:42,177 INFO L74 IsIncluded]: Start isIncluded. First operand 50 states. Second operand has 49 states, 41 states have (on average 1.0975609756097562) internal successors, (45), 42 states have internal predecessors, (45), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:21:42,177 INFO L87 Difference]: Start difference. First operand 50 states. Second operand has 49 states, 41 states have (on average 1.0975609756097562) internal successors, (45), 42 states have internal predecessors, (45), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:21:42,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:21:42,178 INFO L93 Difference]: Finished difference Result 50 states and 54 transitions. [2022-04-28 10:21:42,178 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 54 transitions. [2022-04-28 10:21:42,178 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:21:42,178 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:21:42,178 INFO L74 IsIncluded]: Start isIncluded. First operand has 49 states, 41 states have (on average 1.0975609756097562) internal successors, (45), 42 states have internal predecessors, (45), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 50 states. [2022-04-28 10:21:42,178 INFO L87 Difference]: Start difference. First operand has 49 states, 41 states have (on average 1.0975609756097562) internal successors, (45), 42 states have internal predecessors, (45), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 50 states. [2022-04-28 10:21:42,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:21:42,179 INFO L93 Difference]: Finished difference Result 50 states and 54 transitions. [2022-04-28 10:21:42,179 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 54 transitions. [2022-04-28 10:21:42,179 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:21:42,179 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:21:42,179 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 10:21:42,179 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 10:21:42,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 41 states have (on average 1.0975609756097562) internal successors, (45), 42 states have internal predecessors, (45), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:21:42,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 53 transitions. [2022-04-28 10:21:42,180 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 53 transitions. Word has length 39 [2022-04-28 10:21:42,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 10:21:42,188 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 53 transitions. [2022-04-28 10:21:42,188 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 1.1666666666666667) internal successors, (35), 29 states have internal predecessors, (35), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:21:42,188 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 49 states and 53 transitions. [2022-04-28 10:21:42,240 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 53 edges. 53 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:21:42,240 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 53 transitions. [2022-04-28 10:21:42,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-04-28 10:21:42,241 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 10:21:42,241 INFO L195 NwaCegarLoop]: trace histogram [27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 10:21:42,257 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2022-04-28 10:21:42,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:21:42,457 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 10:21:42,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 10:21:42,457 INFO L85 PathProgramCache]: Analyzing trace with hash 1444653410, now seen corresponding path program 53 times [2022-04-28 10:21:42,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 10:21:42,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1712977557] [2022-04-28 10:21:42,459 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-28 10:21:42,459 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-28 10:21:42,459 INFO L85 PathProgramCache]: Analyzing trace with hash 1444653410, now seen corresponding path program 54 times [2022-04-28 10:21:42,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 10:21:42,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177944157] [2022-04-28 10:21:42,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 10:21:42,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 10:21:42,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:21:42,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 10:21:42,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:21:42,958 INFO L290 TraceCheckUtils]: 0: Hoare triple {13857#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {13824#true} is VALID [2022-04-28 10:21:42,958 INFO L290 TraceCheckUtils]: 1: Hoare triple {13824#true} assume true; {13824#true} is VALID [2022-04-28 10:21:42,958 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {13824#true} {13824#true} #63#return; {13824#true} is VALID [2022-04-28 10:21:42,958 INFO L272 TraceCheckUtils]: 0: Hoare triple {13824#true} call ULTIMATE.init(); {13857#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 10:21:42,958 INFO L290 TraceCheckUtils]: 1: Hoare triple {13857#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {13824#true} is VALID [2022-04-28 10:21:42,959 INFO L290 TraceCheckUtils]: 2: Hoare triple {13824#true} assume true; {13824#true} is VALID [2022-04-28 10:21:42,959 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {13824#true} {13824#true} #63#return; {13824#true} is VALID [2022-04-28 10:21:42,959 INFO L272 TraceCheckUtils]: 4: Hoare triple {13824#true} call #t~ret7 := main(); {13824#true} is VALID [2022-04-28 10:21:42,959 INFO L290 TraceCheckUtils]: 5: Hoare triple {13824#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {13824#true} is VALID [2022-04-28 10:21:42,959 INFO L290 TraceCheckUtils]: 6: Hoare triple {13824#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {13824#true} is VALID [2022-04-28 10:21:42,959 INFO L290 TraceCheckUtils]: 7: Hoare triple {13824#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {13829#(= main_~z~0 0)} is VALID [2022-04-28 10:21:42,960 INFO L290 TraceCheckUtils]: 8: Hoare triple {13829#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13830#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:21:42,960 INFO L290 TraceCheckUtils]: 9: Hoare triple {13830#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13831#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:21:42,961 INFO L290 TraceCheckUtils]: 10: Hoare triple {13831#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13832#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:21:42,961 INFO L290 TraceCheckUtils]: 11: Hoare triple {13832#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13833#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:21:42,962 INFO L290 TraceCheckUtils]: 12: Hoare triple {13833#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13834#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:21:42,962 INFO L290 TraceCheckUtils]: 13: Hoare triple {13834#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13835#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:21:42,963 INFO L290 TraceCheckUtils]: 14: Hoare triple {13835#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13836#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:21:42,963 INFO L290 TraceCheckUtils]: 15: Hoare triple {13836#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13837#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:21:42,964 INFO L290 TraceCheckUtils]: 16: Hoare triple {13837#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13838#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:21:42,964 INFO L290 TraceCheckUtils]: 17: Hoare triple {13838#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13839#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:21:42,965 INFO L290 TraceCheckUtils]: 18: Hoare triple {13839#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13840#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:21:42,965 INFO L290 TraceCheckUtils]: 19: Hoare triple {13840#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13841#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:21:42,966 INFO L290 TraceCheckUtils]: 20: Hoare triple {13841#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13842#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:21:42,966 INFO L290 TraceCheckUtils]: 21: Hoare triple {13842#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13843#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:21:42,967 INFO L290 TraceCheckUtils]: 22: Hoare triple {13843#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13844#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:21:42,967 INFO L290 TraceCheckUtils]: 23: Hoare triple {13844#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13845#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:21:42,968 INFO L290 TraceCheckUtils]: 24: Hoare triple {13845#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13846#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:21:42,968 INFO L290 TraceCheckUtils]: 25: Hoare triple {13846#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13847#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:21:42,969 INFO L290 TraceCheckUtils]: 26: Hoare triple {13847#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13848#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:21:42,969 INFO L290 TraceCheckUtils]: 27: Hoare triple {13848#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13849#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 10:21:42,970 INFO L290 TraceCheckUtils]: 28: Hoare triple {13849#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13850#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 10:21:42,970 INFO L290 TraceCheckUtils]: 29: Hoare triple {13850#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13851#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 10:21:42,971 INFO L290 TraceCheckUtils]: 30: Hoare triple {13851#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13852#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 10:21:42,971 INFO L290 TraceCheckUtils]: 31: Hoare triple {13852#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13853#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 10:21:42,972 INFO L290 TraceCheckUtils]: 32: Hoare triple {13853#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13854#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 10:21:42,972 INFO L290 TraceCheckUtils]: 33: Hoare triple {13854#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13855#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 10:21:42,973 INFO L290 TraceCheckUtils]: 34: Hoare triple {13855#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13856#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 27))} is VALID [2022-04-28 10:21:42,973 INFO L290 TraceCheckUtils]: 35: Hoare triple {13856#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 27))} assume !(~z~0 % 4294967296 < 268435455); {13825#false} is VALID [2022-04-28 10:21:42,973 INFO L272 TraceCheckUtils]: 36: Hoare triple {13825#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {13825#false} is VALID [2022-04-28 10:21:42,973 INFO L290 TraceCheckUtils]: 37: Hoare triple {13825#false} ~cond := #in~cond; {13825#false} is VALID [2022-04-28 10:21:42,973 INFO L290 TraceCheckUtils]: 38: Hoare triple {13825#false} assume 0 == ~cond; {13825#false} is VALID [2022-04-28 10:21:42,973 INFO L290 TraceCheckUtils]: 39: Hoare triple {13825#false} assume !false; {13825#false} is VALID [2022-04-28 10:21:42,974 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:21:42,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 10:21:42,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177944157] [2022-04-28 10:21:42,974 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177944157] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 10:21:42,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1807768973] [2022-04-28 10:21:42,974 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-04-28 10:21:42,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:21:42,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 10:21:42,975 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 10:21:42,976 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2022-04-28 10:21:43,694 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 15 check-sat command(s) [2022-04-28 10:21:43,694 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 10:21:43,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 57 conjunts are in the unsatisfiable core [2022-04-28 10:21:43,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:21:43,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 10:21:44,045 INFO L272 TraceCheckUtils]: 0: Hoare triple {13824#true} call ULTIMATE.init(); {13824#true} is VALID [2022-04-28 10:21:44,046 INFO L290 TraceCheckUtils]: 1: Hoare triple {13824#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {13824#true} is VALID [2022-04-28 10:21:44,046 INFO L290 TraceCheckUtils]: 2: Hoare triple {13824#true} assume true; {13824#true} is VALID [2022-04-28 10:21:44,046 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {13824#true} {13824#true} #63#return; {13824#true} is VALID [2022-04-28 10:21:44,046 INFO L272 TraceCheckUtils]: 4: Hoare triple {13824#true} call #t~ret7 := main(); {13824#true} is VALID [2022-04-28 10:21:44,046 INFO L290 TraceCheckUtils]: 5: Hoare triple {13824#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {13824#true} is VALID [2022-04-28 10:21:44,046 INFO L290 TraceCheckUtils]: 6: Hoare triple {13824#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {13824#true} is VALID [2022-04-28 10:21:44,046 INFO L290 TraceCheckUtils]: 7: Hoare triple {13824#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {13829#(= main_~z~0 0)} is VALID [2022-04-28 10:21:44,047 INFO L290 TraceCheckUtils]: 8: Hoare triple {13829#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13830#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:21:44,047 INFO L290 TraceCheckUtils]: 9: Hoare triple {13830#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13831#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:21:44,048 INFO L290 TraceCheckUtils]: 10: Hoare triple {13831#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13832#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:21:44,048 INFO L290 TraceCheckUtils]: 11: Hoare triple {13832#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13833#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:21:44,049 INFO L290 TraceCheckUtils]: 12: Hoare triple {13833#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13834#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:21:44,049 INFO L290 TraceCheckUtils]: 13: Hoare triple {13834#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13835#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:21:44,050 INFO L290 TraceCheckUtils]: 14: Hoare triple {13835#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13836#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:21:44,050 INFO L290 TraceCheckUtils]: 15: Hoare triple {13836#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13837#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:21:44,051 INFO L290 TraceCheckUtils]: 16: Hoare triple {13837#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13838#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:21:44,051 INFO L290 TraceCheckUtils]: 17: Hoare triple {13838#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13839#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:21:44,052 INFO L290 TraceCheckUtils]: 18: Hoare triple {13839#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13840#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:21:44,052 INFO L290 TraceCheckUtils]: 19: Hoare triple {13840#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13841#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:21:44,053 INFO L290 TraceCheckUtils]: 20: Hoare triple {13841#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13842#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:21:44,053 INFO L290 TraceCheckUtils]: 21: Hoare triple {13842#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13843#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:21:44,054 INFO L290 TraceCheckUtils]: 22: Hoare triple {13843#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13844#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:21:44,054 INFO L290 TraceCheckUtils]: 23: Hoare triple {13844#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13845#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:21:44,055 INFO L290 TraceCheckUtils]: 24: Hoare triple {13845#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13846#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:21:44,055 INFO L290 TraceCheckUtils]: 25: Hoare triple {13846#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13847#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:21:44,056 INFO L290 TraceCheckUtils]: 26: Hoare triple {13847#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13848#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:21:44,056 INFO L290 TraceCheckUtils]: 27: Hoare triple {13848#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13849#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 10:21:44,057 INFO L290 TraceCheckUtils]: 28: Hoare triple {13849#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13850#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 10:21:44,058 INFO L290 TraceCheckUtils]: 29: Hoare triple {13850#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13851#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 10:21:44,058 INFO L290 TraceCheckUtils]: 30: Hoare triple {13851#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13852#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 10:21:44,058 INFO L290 TraceCheckUtils]: 31: Hoare triple {13852#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13853#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 10:21:44,059 INFO L290 TraceCheckUtils]: 32: Hoare triple {13853#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13854#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 10:21:44,059 INFO L290 TraceCheckUtils]: 33: Hoare triple {13854#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13855#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 10:21:44,060 INFO L290 TraceCheckUtils]: 34: Hoare triple {13855#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13963#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 10:21:44,060 INFO L290 TraceCheckUtils]: 35: Hoare triple {13963#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !(~z~0 % 4294967296 < 268435455); {13825#false} is VALID [2022-04-28 10:21:44,061 INFO L272 TraceCheckUtils]: 36: Hoare triple {13825#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {13825#false} is VALID [2022-04-28 10:21:44,061 INFO L290 TraceCheckUtils]: 37: Hoare triple {13825#false} ~cond := #in~cond; {13825#false} is VALID [2022-04-28 10:21:44,061 INFO L290 TraceCheckUtils]: 38: Hoare triple {13825#false} assume 0 == ~cond; {13825#false} is VALID [2022-04-28 10:21:44,061 INFO L290 TraceCheckUtils]: 39: Hoare triple {13825#false} assume !false; {13825#false} is VALID [2022-04-28 10:21:44,061 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:21:44,061 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 10:21:45,306 INFO L290 TraceCheckUtils]: 39: Hoare triple {13825#false} assume !false; {13825#false} is VALID [2022-04-28 10:21:45,306 INFO L290 TraceCheckUtils]: 38: Hoare triple {13825#false} assume 0 == ~cond; {13825#false} is VALID [2022-04-28 10:21:45,306 INFO L290 TraceCheckUtils]: 37: Hoare triple {13825#false} ~cond := #in~cond; {13825#false} is VALID [2022-04-28 10:21:45,306 INFO L272 TraceCheckUtils]: 36: Hoare triple {13825#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {13825#false} is VALID [2022-04-28 10:21:45,306 INFO L290 TraceCheckUtils]: 35: Hoare triple {13991#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {13825#false} is VALID [2022-04-28 10:21:45,307 INFO L290 TraceCheckUtils]: 34: Hoare triple {13995#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13991#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 10:21:45,308 INFO L290 TraceCheckUtils]: 33: Hoare triple {13999#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13995#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 10:21:45,308 INFO L290 TraceCheckUtils]: 32: Hoare triple {14003#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {13999#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 10:21:45,309 INFO L290 TraceCheckUtils]: 31: Hoare triple {14007#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14003#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 10:21:45,309 INFO L290 TraceCheckUtils]: 30: Hoare triple {14011#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14007#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 10:21:45,310 INFO L290 TraceCheckUtils]: 29: Hoare triple {14015#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14011#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:21:45,311 INFO L290 TraceCheckUtils]: 28: Hoare triple {14019#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14015#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} is VALID [2022-04-28 10:21:45,311 INFO L290 TraceCheckUtils]: 27: Hoare triple {14023#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14019#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:21:45,312 INFO L290 TraceCheckUtils]: 26: Hoare triple {14027#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14023#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} is VALID [2022-04-28 10:21:45,312 INFO L290 TraceCheckUtils]: 25: Hoare triple {14031#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14027#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} is VALID [2022-04-28 10:21:45,313 INFO L290 TraceCheckUtils]: 24: Hoare triple {14035#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14031#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} is VALID [2022-04-28 10:21:45,314 INFO L290 TraceCheckUtils]: 23: Hoare triple {14039#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14035#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} is VALID [2022-04-28 10:21:45,314 INFO L290 TraceCheckUtils]: 22: Hoare triple {14043#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14039#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} is VALID [2022-04-28 10:21:45,315 INFO L290 TraceCheckUtils]: 21: Hoare triple {14047#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14043#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} is VALID [2022-04-28 10:21:45,315 INFO L290 TraceCheckUtils]: 20: Hoare triple {14051#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14047#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} is VALID [2022-04-28 10:21:45,316 INFO L290 TraceCheckUtils]: 19: Hoare triple {14055#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14051#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} is VALID [2022-04-28 10:21:45,316 INFO L290 TraceCheckUtils]: 18: Hoare triple {14059#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14055#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} is VALID [2022-04-28 10:21:45,317 INFO L290 TraceCheckUtils]: 17: Hoare triple {14063#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14059#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} is VALID [2022-04-28 10:21:45,318 INFO L290 TraceCheckUtils]: 16: Hoare triple {14067#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14063#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} is VALID [2022-04-28 10:21:45,318 INFO L290 TraceCheckUtils]: 15: Hoare triple {14071#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14067#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:21:45,319 INFO L290 TraceCheckUtils]: 14: Hoare triple {14075#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14071#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} is VALID [2022-04-28 10:21:45,319 INFO L290 TraceCheckUtils]: 13: Hoare triple {14079#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14075#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} is VALID [2022-04-28 10:21:45,320 INFO L290 TraceCheckUtils]: 12: Hoare triple {14083#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14079#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} is VALID [2022-04-28 10:21:45,320 INFO L290 TraceCheckUtils]: 11: Hoare triple {14087#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14083#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:21:45,321 INFO L290 TraceCheckUtils]: 10: Hoare triple {14091#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14087#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} is VALID [2022-04-28 10:21:45,321 INFO L290 TraceCheckUtils]: 9: Hoare triple {14095#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14091#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} is VALID [2022-04-28 10:21:45,322 INFO L290 TraceCheckUtils]: 8: Hoare triple {14099#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14095#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} is VALID [2022-04-28 10:21:45,322 INFO L290 TraceCheckUtils]: 7: Hoare triple {13824#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {14099#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} is VALID [2022-04-28 10:21:45,322 INFO L290 TraceCheckUtils]: 6: Hoare triple {13824#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {13824#true} is VALID [2022-04-28 10:21:45,323 INFO L290 TraceCheckUtils]: 5: Hoare triple {13824#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {13824#true} is VALID [2022-04-28 10:21:45,323 INFO L272 TraceCheckUtils]: 4: Hoare triple {13824#true} call #t~ret7 := main(); {13824#true} is VALID [2022-04-28 10:21:45,323 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {13824#true} {13824#true} #63#return; {13824#true} is VALID [2022-04-28 10:21:45,323 INFO L290 TraceCheckUtils]: 2: Hoare triple {13824#true} assume true; {13824#true} is VALID [2022-04-28 10:21:45,323 INFO L290 TraceCheckUtils]: 1: Hoare triple {13824#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {13824#true} is VALID [2022-04-28 10:21:45,323 INFO L272 TraceCheckUtils]: 0: Hoare triple {13824#true} call ULTIMATE.init(); {13824#true} is VALID [2022-04-28 10:21:45,323 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:21:45,323 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1807768973] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 10:21:45,323 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 10:21:45,324 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 30, 30] total 60 [2022-04-28 10:21:45,324 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 10:21:45,325 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1712977557] [2022-04-28 10:21:45,325 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1712977557] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 10:21:45,325 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 10:21:45,325 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2022-04-28 10:21:45,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483120112] [2022-04-28 10:21:45,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 10:21:45,325 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 1.1612903225806452) internal successors, (36), 30 states have internal predecessors, (36), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 40 [2022-04-28 10:21:45,325 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 10:21:45,325 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 31 states, 31 states have (on average 1.1612903225806452) internal successors, (36), 30 states have internal predecessors, (36), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:21:45,348 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 40 edges. 40 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:21:45,348 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-04-28 10:21:45,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 10:21:45,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-04-28 10:21:45,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=957, Invalid=2583, Unknown=0, NotChecked=0, Total=3540 [2022-04-28 10:21:45,349 INFO L87 Difference]: Start difference. First operand 49 states and 53 transitions. Second operand has 31 states, 31 states have (on average 1.1612903225806452) internal successors, (36), 30 states have internal predecessors, (36), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:21:47,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:21:47,623 INFO L93 Difference]: Finished difference Result 93 states and 102 transitions. [2022-04-28 10:21:47,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-04-28 10:21:47,624 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 1.1612903225806452) internal successors, (36), 30 states have internal predecessors, (36), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 40 [2022-04-28 10:21:47,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 10:21:47,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 31 states have (on average 1.1612903225806452) internal successors, (36), 30 states have internal predecessors, (36), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:21:47,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 73 transitions. [2022-04-28 10:21:47,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 31 states have (on average 1.1612903225806452) internal successors, (36), 30 states have internal predecessors, (36), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:21:47,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 73 transitions. [2022-04-28 10:21:47,625 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 31 states and 73 transitions. [2022-04-28 10:21:47,683 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 73 edges. 73 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:21:47,684 INFO L225 Difference]: With dead ends: 93 [2022-04-28 10:21:47,684 INFO L226 Difference]: Without dead ends: 51 [2022-04-28 10:21:47,685 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 54 SyntacticMatches, 1 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 438 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=1907, Invalid=5749, Unknown=0, NotChecked=0, Total=7656 [2022-04-28 10:21:47,685 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 17 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 1204 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 1265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 1204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-04-28 10:21:47,685 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 153 Invalid, 1265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 1204 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-04-28 10:21:47,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2022-04-28 10:21:47,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 50. [2022-04-28 10:21:47,728 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 10:21:47,728 INFO L82 GeneralOperation]: Start isEquivalent. First operand 51 states. Second operand has 50 states, 42 states have (on average 1.0952380952380953) internal successors, (46), 43 states have internal predecessors, (46), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:21:47,728 INFO L74 IsIncluded]: Start isIncluded. First operand 51 states. Second operand has 50 states, 42 states have (on average 1.0952380952380953) internal successors, (46), 43 states have internal predecessors, (46), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:21:47,729 INFO L87 Difference]: Start difference. First operand 51 states. Second operand has 50 states, 42 states have (on average 1.0952380952380953) internal successors, (46), 43 states have internal predecessors, (46), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:21:47,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:21:47,729 INFO L93 Difference]: Finished difference Result 51 states and 55 transitions. [2022-04-28 10:21:47,730 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 55 transitions. [2022-04-28 10:21:47,730 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:21:47,730 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:21:47,730 INFO L74 IsIncluded]: Start isIncluded. First operand has 50 states, 42 states have (on average 1.0952380952380953) internal successors, (46), 43 states have internal predecessors, (46), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 51 states. [2022-04-28 10:21:47,730 INFO L87 Difference]: Start difference. First operand has 50 states, 42 states have (on average 1.0952380952380953) internal successors, (46), 43 states have internal predecessors, (46), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 51 states. [2022-04-28 10:21:47,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:21:47,731 INFO L93 Difference]: Finished difference Result 51 states and 55 transitions. [2022-04-28 10:21:47,731 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 55 transitions. [2022-04-28 10:21:47,731 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:21:47,731 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:21:47,731 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 10:21:47,731 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 10:21:47,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 42 states have (on average 1.0952380952380953) internal successors, (46), 43 states have internal predecessors, (46), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:21:47,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 54 transitions. [2022-04-28 10:21:47,732 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 54 transitions. Word has length 40 [2022-04-28 10:21:47,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 10:21:47,732 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 54 transitions. [2022-04-28 10:21:47,733 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 1.1612903225806452) internal successors, (36), 30 states have internal predecessors, (36), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:21:47,733 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 50 states and 54 transitions. [2022-04-28 10:21:47,796 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 54 edges. 54 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:21:47,796 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 54 transitions. [2022-04-28 10:21:47,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-04-28 10:21:47,796 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 10:21:47,796 INFO L195 NwaCegarLoop]: trace histogram [28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 10:21:47,803 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2022-04-28 10:21:47,997 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:21:47,997 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 10:21:47,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 10:21:47,997 INFO L85 PathProgramCache]: Analyzing trace with hash 1860885314, now seen corresponding path program 55 times [2022-04-28 10:21:47,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 10:21:47,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [672094084] [2022-04-28 10:21:47,999 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-28 10:21:47,999 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-28 10:21:48,000 INFO L85 PathProgramCache]: Analyzing trace with hash 1860885314, now seen corresponding path program 56 times [2022-04-28 10:21:48,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 10:21:48,000 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536132856] [2022-04-28 10:21:48,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 10:21:48,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 10:21:48,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:21:48,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 10:21:48,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:21:48,525 INFO L290 TraceCheckUtils]: 0: Hoare triple {14605#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {14571#true} is VALID [2022-04-28 10:21:48,526 INFO L290 TraceCheckUtils]: 1: Hoare triple {14571#true} assume true; {14571#true} is VALID [2022-04-28 10:21:48,526 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {14571#true} {14571#true} #63#return; {14571#true} is VALID [2022-04-28 10:21:48,527 INFO L272 TraceCheckUtils]: 0: Hoare triple {14571#true} call ULTIMATE.init(); {14605#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 10:21:48,527 INFO L290 TraceCheckUtils]: 1: Hoare triple {14605#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {14571#true} is VALID [2022-04-28 10:21:48,527 INFO L290 TraceCheckUtils]: 2: Hoare triple {14571#true} assume true; {14571#true} is VALID [2022-04-28 10:21:48,527 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {14571#true} {14571#true} #63#return; {14571#true} is VALID [2022-04-28 10:21:48,527 INFO L272 TraceCheckUtils]: 4: Hoare triple {14571#true} call #t~ret7 := main(); {14571#true} is VALID [2022-04-28 10:21:48,527 INFO L290 TraceCheckUtils]: 5: Hoare triple {14571#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {14571#true} is VALID [2022-04-28 10:21:48,528 INFO L290 TraceCheckUtils]: 6: Hoare triple {14571#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {14571#true} is VALID [2022-04-28 10:21:48,528 INFO L290 TraceCheckUtils]: 7: Hoare triple {14571#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {14576#(= main_~z~0 0)} is VALID [2022-04-28 10:21:48,529 INFO L290 TraceCheckUtils]: 8: Hoare triple {14576#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14577#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:21:48,529 INFO L290 TraceCheckUtils]: 9: Hoare triple {14577#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14578#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:21:48,530 INFO L290 TraceCheckUtils]: 10: Hoare triple {14578#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14579#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:21:48,531 INFO L290 TraceCheckUtils]: 11: Hoare triple {14579#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14580#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:21:48,531 INFO L290 TraceCheckUtils]: 12: Hoare triple {14580#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14581#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:21:48,532 INFO L290 TraceCheckUtils]: 13: Hoare triple {14581#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14582#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:21:48,533 INFO L290 TraceCheckUtils]: 14: Hoare triple {14582#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14583#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:21:48,533 INFO L290 TraceCheckUtils]: 15: Hoare triple {14583#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14584#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:21:48,534 INFO L290 TraceCheckUtils]: 16: Hoare triple {14584#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14585#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:21:48,535 INFO L290 TraceCheckUtils]: 17: Hoare triple {14585#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14586#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:21:48,536 INFO L290 TraceCheckUtils]: 18: Hoare triple {14586#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14587#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:21:48,536 INFO L290 TraceCheckUtils]: 19: Hoare triple {14587#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14588#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:21:48,537 INFO L290 TraceCheckUtils]: 20: Hoare triple {14588#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14589#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:21:48,538 INFO L290 TraceCheckUtils]: 21: Hoare triple {14589#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14590#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:21:48,538 INFO L290 TraceCheckUtils]: 22: Hoare triple {14590#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14591#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:21:48,539 INFO L290 TraceCheckUtils]: 23: Hoare triple {14591#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14592#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:21:48,540 INFO L290 TraceCheckUtils]: 24: Hoare triple {14592#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14593#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:21:48,540 INFO L290 TraceCheckUtils]: 25: Hoare triple {14593#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14594#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:21:48,541 INFO L290 TraceCheckUtils]: 26: Hoare triple {14594#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14595#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:21:48,542 INFO L290 TraceCheckUtils]: 27: Hoare triple {14595#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14596#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 10:21:48,542 INFO L290 TraceCheckUtils]: 28: Hoare triple {14596#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14597#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 10:21:48,543 INFO L290 TraceCheckUtils]: 29: Hoare triple {14597#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14598#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 10:21:48,543 INFO L290 TraceCheckUtils]: 30: Hoare triple {14598#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14599#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 10:21:48,544 INFO L290 TraceCheckUtils]: 31: Hoare triple {14599#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14600#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 10:21:48,544 INFO L290 TraceCheckUtils]: 32: Hoare triple {14600#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14601#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 10:21:48,545 INFO L290 TraceCheckUtils]: 33: Hoare triple {14601#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14602#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 10:21:48,546 INFO L290 TraceCheckUtils]: 34: Hoare triple {14602#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14603#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 10:21:48,546 INFO L290 TraceCheckUtils]: 35: Hoare triple {14603#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14604#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 28))} is VALID [2022-04-28 10:21:48,547 INFO L290 TraceCheckUtils]: 36: Hoare triple {14604#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 28))} assume !(~z~0 % 4294967296 < 268435455); {14572#false} is VALID [2022-04-28 10:21:48,547 INFO L272 TraceCheckUtils]: 37: Hoare triple {14572#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {14572#false} is VALID [2022-04-28 10:21:48,547 INFO L290 TraceCheckUtils]: 38: Hoare triple {14572#false} ~cond := #in~cond; {14572#false} is VALID [2022-04-28 10:21:48,547 INFO L290 TraceCheckUtils]: 39: Hoare triple {14572#false} assume 0 == ~cond; {14572#false} is VALID [2022-04-28 10:21:48,547 INFO L290 TraceCheckUtils]: 40: Hoare triple {14572#false} assume !false; {14572#false} is VALID [2022-04-28 10:21:48,547 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:21:48,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 10:21:48,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536132856] [2022-04-28 10:21:48,548 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536132856] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 10:21:48,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [878336698] [2022-04-28 10:21:48,548 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-28 10:21:48,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:21:48,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 10:21:48,549 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 10:21:48,550 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2022-04-28 10:21:48,631 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-28 10:21:48,631 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 10:21:48,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 59 conjunts are in the unsatisfiable core [2022-04-28 10:21:48,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:21:48,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 10:21:49,032 INFO L272 TraceCheckUtils]: 0: Hoare triple {14571#true} call ULTIMATE.init(); {14571#true} is VALID [2022-04-28 10:21:49,033 INFO L290 TraceCheckUtils]: 1: Hoare triple {14571#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {14571#true} is VALID [2022-04-28 10:21:49,033 INFO L290 TraceCheckUtils]: 2: Hoare triple {14571#true} assume true; {14571#true} is VALID [2022-04-28 10:21:49,033 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {14571#true} {14571#true} #63#return; {14571#true} is VALID [2022-04-28 10:21:49,033 INFO L272 TraceCheckUtils]: 4: Hoare triple {14571#true} call #t~ret7 := main(); {14571#true} is VALID [2022-04-28 10:21:49,033 INFO L290 TraceCheckUtils]: 5: Hoare triple {14571#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {14571#true} is VALID [2022-04-28 10:21:49,033 INFO L290 TraceCheckUtils]: 6: Hoare triple {14571#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {14571#true} is VALID [2022-04-28 10:21:49,033 INFO L290 TraceCheckUtils]: 7: Hoare triple {14571#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {14576#(= main_~z~0 0)} is VALID [2022-04-28 10:21:49,034 INFO L290 TraceCheckUtils]: 8: Hoare triple {14576#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14577#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:21:49,034 INFO L290 TraceCheckUtils]: 9: Hoare triple {14577#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14578#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:21:49,035 INFO L290 TraceCheckUtils]: 10: Hoare triple {14578#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14579#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:21:49,035 INFO L290 TraceCheckUtils]: 11: Hoare triple {14579#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14580#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:21:49,036 INFO L290 TraceCheckUtils]: 12: Hoare triple {14580#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14581#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:21:49,036 INFO L290 TraceCheckUtils]: 13: Hoare triple {14581#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14582#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:21:49,037 INFO L290 TraceCheckUtils]: 14: Hoare triple {14582#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14583#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:21:49,037 INFO L290 TraceCheckUtils]: 15: Hoare triple {14583#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14584#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:21:49,038 INFO L290 TraceCheckUtils]: 16: Hoare triple {14584#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14585#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:21:49,038 INFO L290 TraceCheckUtils]: 17: Hoare triple {14585#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14586#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:21:49,039 INFO L290 TraceCheckUtils]: 18: Hoare triple {14586#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14587#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:21:49,039 INFO L290 TraceCheckUtils]: 19: Hoare triple {14587#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14588#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:21:49,040 INFO L290 TraceCheckUtils]: 20: Hoare triple {14588#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14589#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:21:49,040 INFO L290 TraceCheckUtils]: 21: Hoare triple {14589#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14590#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:21:49,041 INFO L290 TraceCheckUtils]: 22: Hoare triple {14590#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14591#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:21:49,041 INFO L290 TraceCheckUtils]: 23: Hoare triple {14591#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14592#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:21:49,042 INFO L290 TraceCheckUtils]: 24: Hoare triple {14592#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14593#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:21:49,042 INFO L290 TraceCheckUtils]: 25: Hoare triple {14593#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14594#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:21:49,043 INFO L290 TraceCheckUtils]: 26: Hoare triple {14594#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14595#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:21:49,043 INFO L290 TraceCheckUtils]: 27: Hoare triple {14595#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14596#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 10:21:49,044 INFO L290 TraceCheckUtils]: 28: Hoare triple {14596#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14597#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 10:21:49,044 INFO L290 TraceCheckUtils]: 29: Hoare triple {14597#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14598#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 10:21:49,045 INFO L290 TraceCheckUtils]: 30: Hoare triple {14598#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14599#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 10:21:49,045 INFO L290 TraceCheckUtils]: 31: Hoare triple {14599#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14600#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 10:21:49,046 INFO L290 TraceCheckUtils]: 32: Hoare triple {14600#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14601#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 10:21:49,046 INFO L290 TraceCheckUtils]: 33: Hoare triple {14601#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14602#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 10:21:49,047 INFO L290 TraceCheckUtils]: 34: Hoare triple {14602#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14603#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 10:21:49,047 INFO L290 TraceCheckUtils]: 35: Hoare triple {14603#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14714#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 10:21:49,048 INFO L290 TraceCheckUtils]: 36: Hoare triple {14714#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !(~z~0 % 4294967296 < 268435455); {14572#false} is VALID [2022-04-28 10:21:49,048 INFO L272 TraceCheckUtils]: 37: Hoare triple {14572#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {14572#false} is VALID [2022-04-28 10:21:49,048 INFO L290 TraceCheckUtils]: 38: Hoare triple {14572#false} ~cond := #in~cond; {14572#false} is VALID [2022-04-28 10:21:49,048 INFO L290 TraceCheckUtils]: 39: Hoare triple {14572#false} assume 0 == ~cond; {14572#false} is VALID [2022-04-28 10:21:49,048 INFO L290 TraceCheckUtils]: 40: Hoare triple {14572#false} assume !false; {14572#false} is VALID [2022-04-28 10:21:49,049 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:21:49,049 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 10:21:50,374 INFO L290 TraceCheckUtils]: 40: Hoare triple {14572#false} assume !false; {14572#false} is VALID [2022-04-28 10:21:50,374 INFO L290 TraceCheckUtils]: 39: Hoare triple {14572#false} assume 0 == ~cond; {14572#false} is VALID [2022-04-28 10:21:50,374 INFO L290 TraceCheckUtils]: 38: Hoare triple {14572#false} ~cond := #in~cond; {14572#false} is VALID [2022-04-28 10:21:50,374 INFO L272 TraceCheckUtils]: 37: Hoare triple {14572#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {14572#false} is VALID [2022-04-28 10:21:50,375 INFO L290 TraceCheckUtils]: 36: Hoare triple {14742#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {14572#false} is VALID [2022-04-28 10:21:50,375 INFO L290 TraceCheckUtils]: 35: Hoare triple {14746#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14742#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 10:21:50,376 INFO L290 TraceCheckUtils]: 34: Hoare triple {14750#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14746#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 10:21:50,376 INFO L290 TraceCheckUtils]: 33: Hoare triple {14754#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14750#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 10:21:50,377 INFO L290 TraceCheckUtils]: 32: Hoare triple {14758#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14754#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 10:21:50,378 INFO L290 TraceCheckUtils]: 31: Hoare triple {14762#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14758#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 10:21:50,378 INFO L290 TraceCheckUtils]: 30: Hoare triple {14766#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14762#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:21:50,379 INFO L290 TraceCheckUtils]: 29: Hoare triple {14770#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14766#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} is VALID [2022-04-28 10:21:50,379 INFO L290 TraceCheckUtils]: 28: Hoare triple {14774#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14770#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:21:50,380 INFO L290 TraceCheckUtils]: 27: Hoare triple {14778#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14774#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} is VALID [2022-04-28 10:21:50,381 INFO L290 TraceCheckUtils]: 26: Hoare triple {14782#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14778#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} is VALID [2022-04-28 10:21:50,381 INFO L290 TraceCheckUtils]: 25: Hoare triple {14786#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14782#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} is VALID [2022-04-28 10:21:50,382 INFO L290 TraceCheckUtils]: 24: Hoare triple {14790#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14786#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} is VALID [2022-04-28 10:21:50,382 INFO L290 TraceCheckUtils]: 23: Hoare triple {14794#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14790#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} is VALID [2022-04-28 10:21:50,383 INFO L290 TraceCheckUtils]: 22: Hoare triple {14798#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14794#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} is VALID [2022-04-28 10:21:50,384 INFO L290 TraceCheckUtils]: 21: Hoare triple {14802#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14798#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} is VALID [2022-04-28 10:21:50,384 INFO L290 TraceCheckUtils]: 20: Hoare triple {14806#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14802#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} is VALID [2022-04-28 10:21:50,385 INFO L290 TraceCheckUtils]: 19: Hoare triple {14810#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14806#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} is VALID [2022-04-28 10:21:50,385 INFO L290 TraceCheckUtils]: 18: Hoare triple {14814#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14810#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} is VALID [2022-04-28 10:21:50,386 INFO L290 TraceCheckUtils]: 17: Hoare triple {14818#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14814#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} is VALID [2022-04-28 10:21:50,386 INFO L290 TraceCheckUtils]: 16: Hoare triple {14822#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14818#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:21:50,387 INFO L290 TraceCheckUtils]: 15: Hoare triple {14826#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14822#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} is VALID [2022-04-28 10:21:50,388 INFO L290 TraceCheckUtils]: 14: Hoare triple {14830#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14826#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} is VALID [2022-04-28 10:21:50,388 INFO L290 TraceCheckUtils]: 13: Hoare triple {14834#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14830#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} is VALID [2022-04-28 10:21:50,389 INFO L290 TraceCheckUtils]: 12: Hoare triple {14838#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14834#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:21:50,389 INFO L290 TraceCheckUtils]: 11: Hoare triple {14842#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14838#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} is VALID [2022-04-28 10:21:50,390 INFO L290 TraceCheckUtils]: 10: Hoare triple {14846#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14842#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} is VALID [2022-04-28 10:21:50,390 INFO L290 TraceCheckUtils]: 9: Hoare triple {14850#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14846#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} is VALID [2022-04-28 10:21:50,391 INFO L290 TraceCheckUtils]: 8: Hoare triple {14854#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {14850#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} is VALID [2022-04-28 10:21:50,391 INFO L290 TraceCheckUtils]: 7: Hoare triple {14571#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {14854#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} is VALID [2022-04-28 10:21:50,391 INFO L290 TraceCheckUtils]: 6: Hoare triple {14571#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {14571#true} is VALID [2022-04-28 10:21:50,391 INFO L290 TraceCheckUtils]: 5: Hoare triple {14571#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {14571#true} is VALID [2022-04-28 10:21:50,391 INFO L272 TraceCheckUtils]: 4: Hoare triple {14571#true} call #t~ret7 := main(); {14571#true} is VALID [2022-04-28 10:21:50,392 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {14571#true} {14571#true} #63#return; {14571#true} is VALID [2022-04-28 10:21:50,392 INFO L290 TraceCheckUtils]: 2: Hoare triple {14571#true} assume true; {14571#true} is VALID [2022-04-28 10:21:50,392 INFO L290 TraceCheckUtils]: 1: Hoare triple {14571#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {14571#true} is VALID [2022-04-28 10:21:50,392 INFO L272 TraceCheckUtils]: 0: Hoare triple {14571#true} call ULTIMATE.init(); {14571#true} is VALID [2022-04-28 10:21:50,392 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:21:50,392 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [878336698] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 10:21:50,392 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 10:21:50,392 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 31, 31] total 62 [2022-04-28 10:21:50,393 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 10:21:50,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [672094084] [2022-04-28 10:21:50,393 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [672094084] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 10:21:50,393 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 10:21:50,393 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [] total 32 [2022-04-28 10:21:50,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558375112] [2022-04-28 10:21:50,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 10:21:50,393 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 1.15625) internal successors, (37), 31 states have internal predecessors, (37), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 41 [2022-04-28 10:21:50,393 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 10:21:50,393 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 32 states, 32 states have (on average 1.15625) internal successors, (37), 31 states have internal predecessors, (37), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:21:50,425 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 41 edges. 41 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:21:50,425 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-04-28 10:21:50,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 10:21:50,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-04-28 10:21:50,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1020, Invalid=2762, Unknown=0, NotChecked=0, Total=3782 [2022-04-28 10:21:50,426 INFO L87 Difference]: Start difference. First operand 50 states and 54 transitions. Second operand has 32 states, 32 states have (on average 1.15625) internal successors, (37), 31 states have internal predecessors, (37), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:21:52,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:21:52,691 INFO L93 Difference]: Finished difference Result 95 states and 104 transitions. [2022-04-28 10:21:52,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-04-28 10:21:52,692 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 1.15625) internal successors, (37), 31 states have internal predecessors, (37), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 41 [2022-04-28 10:21:52,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 10:21:52,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 32 states have (on average 1.15625) internal successors, (37), 31 states have internal predecessors, (37), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:21:52,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 74 transitions. [2022-04-28 10:21:52,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 32 states have (on average 1.15625) internal successors, (37), 31 states have internal predecessors, (37), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:21:52,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 74 transitions. [2022-04-28 10:21:52,695 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 32 states and 74 transitions. [2022-04-28 10:21:52,740 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 74 edges. 74 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:21:52,740 INFO L225 Difference]: With dead ends: 95 [2022-04-28 10:21:52,740 INFO L226 Difference]: Without dead ends: 52 [2022-04-28 10:21:52,741 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 55 SyntacticMatches, 1 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 468 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=2033, Invalid=6157, Unknown=0, NotChecked=0, Total=8190 [2022-04-28 10:21:52,742 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 17 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 1277 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 1340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 1277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-04-28 10:21:52,742 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 158 Invalid, 1340 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 1277 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-04-28 10:21:52,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2022-04-28 10:21:52,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 51. [2022-04-28 10:21:52,788 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 10:21:52,788 INFO L82 GeneralOperation]: Start isEquivalent. First operand 52 states. Second operand has 51 states, 43 states have (on average 1.0930232558139534) internal successors, (47), 44 states have internal predecessors, (47), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:21:52,789 INFO L74 IsIncluded]: Start isIncluded. First operand 52 states. Second operand has 51 states, 43 states have (on average 1.0930232558139534) internal successors, (47), 44 states have internal predecessors, (47), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:21:52,789 INFO L87 Difference]: Start difference. First operand 52 states. Second operand has 51 states, 43 states have (on average 1.0930232558139534) internal successors, (47), 44 states have internal predecessors, (47), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:21:52,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:21:52,789 INFO L93 Difference]: Finished difference Result 52 states and 56 transitions. [2022-04-28 10:21:52,789 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 56 transitions. [2022-04-28 10:21:52,790 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:21:52,790 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:21:52,790 INFO L74 IsIncluded]: Start isIncluded. First operand has 51 states, 43 states have (on average 1.0930232558139534) internal successors, (47), 44 states have internal predecessors, (47), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 52 states. [2022-04-28 10:21:52,790 INFO L87 Difference]: Start difference. First operand has 51 states, 43 states have (on average 1.0930232558139534) internal successors, (47), 44 states have internal predecessors, (47), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 52 states. [2022-04-28 10:21:52,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:21:52,790 INFO L93 Difference]: Finished difference Result 52 states and 56 transitions. [2022-04-28 10:21:52,790 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 56 transitions. [2022-04-28 10:21:52,791 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:21:52,791 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:21:52,791 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 10:21:52,791 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 10:21:52,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 43 states have (on average 1.0930232558139534) internal successors, (47), 44 states have internal predecessors, (47), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:21:52,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 55 transitions. [2022-04-28 10:21:52,791 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 55 transitions. Word has length 41 [2022-04-28 10:21:52,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 10:21:52,792 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 55 transitions. [2022-04-28 10:21:52,792 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 1.15625) internal successors, (37), 31 states have internal predecessors, (37), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:21:52,792 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 51 states and 55 transitions. [2022-04-28 10:21:52,857 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 55 edges. 55 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:21:52,857 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 55 transitions. [2022-04-28 10:21:52,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-04-28 10:21:52,857 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 10:21:52,857 INFO L195 NwaCegarLoop]: trace histogram [29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 10:21:52,875 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2022-04-28 10:21:53,073 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:21:53,073 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 10:21:53,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 10:21:53,073 INFO L85 PathProgramCache]: Analyzing trace with hash 1879172450, now seen corresponding path program 57 times [2022-04-28 10:21:53,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 10:21:53,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [2070816309] [2022-04-28 10:21:53,075 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-28 10:21:53,075 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-28 10:21:53,076 INFO L85 PathProgramCache]: Analyzing trace with hash 1879172450, now seen corresponding path program 58 times [2022-04-28 10:21:53,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 10:21:53,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131064888] [2022-04-28 10:21:53,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 10:21:53,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 10:21:53,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:21:53,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 10:21:53,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:21:53,613 INFO L290 TraceCheckUtils]: 0: Hoare triple {15371#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {15336#true} is VALID [2022-04-28 10:21:53,613 INFO L290 TraceCheckUtils]: 1: Hoare triple {15336#true} assume true; {15336#true} is VALID [2022-04-28 10:21:53,613 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {15336#true} {15336#true} #63#return; {15336#true} is VALID [2022-04-28 10:21:53,614 INFO L272 TraceCheckUtils]: 0: Hoare triple {15336#true} call ULTIMATE.init(); {15371#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 10:21:53,614 INFO L290 TraceCheckUtils]: 1: Hoare triple {15371#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {15336#true} is VALID [2022-04-28 10:21:53,614 INFO L290 TraceCheckUtils]: 2: Hoare triple {15336#true} assume true; {15336#true} is VALID [2022-04-28 10:21:53,614 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {15336#true} {15336#true} #63#return; {15336#true} is VALID [2022-04-28 10:21:53,614 INFO L272 TraceCheckUtils]: 4: Hoare triple {15336#true} call #t~ret7 := main(); {15336#true} is VALID [2022-04-28 10:21:53,614 INFO L290 TraceCheckUtils]: 5: Hoare triple {15336#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {15336#true} is VALID [2022-04-28 10:21:53,614 INFO L290 TraceCheckUtils]: 6: Hoare triple {15336#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {15336#true} is VALID [2022-04-28 10:21:53,614 INFO L290 TraceCheckUtils]: 7: Hoare triple {15336#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {15341#(= main_~z~0 0)} is VALID [2022-04-28 10:21:53,615 INFO L290 TraceCheckUtils]: 8: Hoare triple {15341#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15342#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:21:53,615 INFO L290 TraceCheckUtils]: 9: Hoare triple {15342#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15343#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:21:53,616 INFO L290 TraceCheckUtils]: 10: Hoare triple {15343#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15344#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:21:53,616 INFO L290 TraceCheckUtils]: 11: Hoare triple {15344#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15345#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:21:53,617 INFO L290 TraceCheckUtils]: 12: Hoare triple {15345#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15346#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:21:53,617 INFO L290 TraceCheckUtils]: 13: Hoare triple {15346#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15347#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:21:53,618 INFO L290 TraceCheckUtils]: 14: Hoare triple {15347#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15348#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:21:53,618 INFO L290 TraceCheckUtils]: 15: Hoare triple {15348#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15349#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:21:53,618 INFO L290 TraceCheckUtils]: 16: Hoare triple {15349#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15350#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:21:53,619 INFO L290 TraceCheckUtils]: 17: Hoare triple {15350#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15351#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:21:53,619 INFO L290 TraceCheckUtils]: 18: Hoare triple {15351#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15352#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:21:53,620 INFO L290 TraceCheckUtils]: 19: Hoare triple {15352#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15353#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:21:53,620 INFO L290 TraceCheckUtils]: 20: Hoare triple {15353#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15354#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:21:53,621 INFO L290 TraceCheckUtils]: 21: Hoare triple {15354#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15355#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:21:53,621 INFO L290 TraceCheckUtils]: 22: Hoare triple {15355#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15356#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:21:53,622 INFO L290 TraceCheckUtils]: 23: Hoare triple {15356#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15357#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:21:53,622 INFO L290 TraceCheckUtils]: 24: Hoare triple {15357#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15358#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:21:53,623 INFO L290 TraceCheckUtils]: 25: Hoare triple {15358#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15359#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:21:53,623 INFO L290 TraceCheckUtils]: 26: Hoare triple {15359#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15360#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:21:53,624 INFO L290 TraceCheckUtils]: 27: Hoare triple {15360#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15361#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 10:21:53,624 INFO L290 TraceCheckUtils]: 28: Hoare triple {15361#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15362#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 10:21:53,624 INFO L290 TraceCheckUtils]: 29: Hoare triple {15362#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15363#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 10:21:53,625 INFO L290 TraceCheckUtils]: 30: Hoare triple {15363#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15364#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 10:21:53,625 INFO L290 TraceCheckUtils]: 31: Hoare triple {15364#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15365#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 10:21:53,626 INFO L290 TraceCheckUtils]: 32: Hoare triple {15365#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15366#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 10:21:53,626 INFO L290 TraceCheckUtils]: 33: Hoare triple {15366#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15367#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 10:21:53,627 INFO L290 TraceCheckUtils]: 34: Hoare triple {15367#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15368#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 10:21:53,627 INFO L290 TraceCheckUtils]: 35: Hoare triple {15368#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15369#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 10:21:53,628 INFO L290 TraceCheckUtils]: 36: Hoare triple {15369#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15370#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 29))} is VALID [2022-04-28 10:21:53,628 INFO L290 TraceCheckUtils]: 37: Hoare triple {15370#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 29))} assume !(~z~0 % 4294967296 < 268435455); {15337#false} is VALID [2022-04-28 10:21:53,628 INFO L272 TraceCheckUtils]: 38: Hoare triple {15337#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {15337#false} is VALID [2022-04-28 10:21:53,628 INFO L290 TraceCheckUtils]: 39: Hoare triple {15337#false} ~cond := #in~cond; {15337#false} is VALID [2022-04-28 10:21:53,628 INFO L290 TraceCheckUtils]: 40: Hoare triple {15337#false} assume 0 == ~cond; {15337#false} is VALID [2022-04-28 10:21:53,629 INFO L290 TraceCheckUtils]: 41: Hoare triple {15337#false} assume !false; {15337#false} is VALID [2022-04-28 10:21:53,629 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:21:53,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 10:21:53,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131064888] [2022-04-28 10:21:53,629 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [131064888] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 10:21:53,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [187876897] [2022-04-28 10:21:53,629 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-28 10:21:53,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:21:53,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 10:21:53,630 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 10:21:53,631 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2022-04-28 10:21:53,722 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-28 10:21:53,722 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 10:21:53,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 61 conjunts are in the unsatisfiable core [2022-04-28 10:21:53,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:21:53,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 10:21:54,101 INFO L272 TraceCheckUtils]: 0: Hoare triple {15336#true} call ULTIMATE.init(); {15336#true} is VALID [2022-04-28 10:21:54,101 INFO L290 TraceCheckUtils]: 1: Hoare triple {15336#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {15336#true} is VALID [2022-04-28 10:21:54,101 INFO L290 TraceCheckUtils]: 2: Hoare triple {15336#true} assume true; {15336#true} is VALID [2022-04-28 10:21:54,101 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {15336#true} {15336#true} #63#return; {15336#true} is VALID [2022-04-28 10:21:54,101 INFO L272 TraceCheckUtils]: 4: Hoare triple {15336#true} call #t~ret7 := main(); {15336#true} is VALID [2022-04-28 10:21:54,101 INFO L290 TraceCheckUtils]: 5: Hoare triple {15336#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {15336#true} is VALID [2022-04-28 10:21:54,101 INFO L290 TraceCheckUtils]: 6: Hoare triple {15336#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {15336#true} is VALID [2022-04-28 10:21:54,102 INFO L290 TraceCheckUtils]: 7: Hoare triple {15336#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {15341#(= main_~z~0 0)} is VALID [2022-04-28 10:21:54,102 INFO L290 TraceCheckUtils]: 8: Hoare triple {15341#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15342#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:21:54,102 INFO L290 TraceCheckUtils]: 9: Hoare triple {15342#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15343#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:21:54,103 INFO L290 TraceCheckUtils]: 10: Hoare triple {15343#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15344#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:21:54,103 INFO L290 TraceCheckUtils]: 11: Hoare triple {15344#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15345#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:21:54,104 INFO L290 TraceCheckUtils]: 12: Hoare triple {15345#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15346#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:21:54,104 INFO L290 TraceCheckUtils]: 13: Hoare triple {15346#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15347#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:21:54,105 INFO L290 TraceCheckUtils]: 14: Hoare triple {15347#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15348#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:21:54,105 INFO L290 TraceCheckUtils]: 15: Hoare triple {15348#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15349#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:21:54,106 INFO L290 TraceCheckUtils]: 16: Hoare triple {15349#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15350#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:21:54,106 INFO L290 TraceCheckUtils]: 17: Hoare triple {15350#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15351#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:21:54,107 INFO L290 TraceCheckUtils]: 18: Hoare triple {15351#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15352#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:21:54,107 INFO L290 TraceCheckUtils]: 19: Hoare triple {15352#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15353#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:21:54,108 INFO L290 TraceCheckUtils]: 20: Hoare triple {15353#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15354#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:21:54,108 INFO L290 TraceCheckUtils]: 21: Hoare triple {15354#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15355#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:21:54,109 INFO L290 TraceCheckUtils]: 22: Hoare triple {15355#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15356#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:21:54,109 INFO L290 TraceCheckUtils]: 23: Hoare triple {15356#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15357#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:21:54,110 INFO L290 TraceCheckUtils]: 24: Hoare triple {15357#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15358#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:21:54,110 INFO L290 TraceCheckUtils]: 25: Hoare triple {15358#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15359#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:21:54,110 INFO L290 TraceCheckUtils]: 26: Hoare triple {15359#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15360#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:21:54,111 INFO L290 TraceCheckUtils]: 27: Hoare triple {15360#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15361#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 10:21:54,111 INFO L290 TraceCheckUtils]: 28: Hoare triple {15361#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15362#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 10:21:54,112 INFO L290 TraceCheckUtils]: 29: Hoare triple {15362#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15363#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 10:21:54,112 INFO L290 TraceCheckUtils]: 30: Hoare triple {15363#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15364#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 10:21:54,113 INFO L290 TraceCheckUtils]: 31: Hoare triple {15364#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15365#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 10:21:54,113 INFO L290 TraceCheckUtils]: 32: Hoare triple {15365#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15366#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 10:21:54,114 INFO L290 TraceCheckUtils]: 33: Hoare triple {15366#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15367#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 10:21:54,114 INFO L290 TraceCheckUtils]: 34: Hoare triple {15367#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15368#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 10:21:54,115 INFO L290 TraceCheckUtils]: 35: Hoare triple {15368#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15369#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 10:21:54,115 INFO L290 TraceCheckUtils]: 36: Hoare triple {15369#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15483#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 10:21:54,116 INFO L290 TraceCheckUtils]: 37: Hoare triple {15483#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !(~z~0 % 4294967296 < 268435455); {15337#false} is VALID [2022-04-28 10:21:54,116 INFO L272 TraceCheckUtils]: 38: Hoare triple {15337#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {15337#false} is VALID [2022-04-28 10:21:54,116 INFO L290 TraceCheckUtils]: 39: Hoare triple {15337#false} ~cond := #in~cond; {15337#false} is VALID [2022-04-28 10:21:54,116 INFO L290 TraceCheckUtils]: 40: Hoare triple {15337#false} assume 0 == ~cond; {15337#false} is VALID [2022-04-28 10:21:54,116 INFO L290 TraceCheckUtils]: 41: Hoare triple {15337#false} assume !false; {15337#false} is VALID [2022-04-28 10:21:54,116 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:21:54,116 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 10:21:55,528 INFO L290 TraceCheckUtils]: 41: Hoare triple {15337#false} assume !false; {15337#false} is VALID [2022-04-28 10:21:55,528 INFO L290 TraceCheckUtils]: 40: Hoare triple {15337#false} assume 0 == ~cond; {15337#false} is VALID [2022-04-28 10:21:55,528 INFO L290 TraceCheckUtils]: 39: Hoare triple {15337#false} ~cond := #in~cond; {15337#false} is VALID [2022-04-28 10:21:55,528 INFO L272 TraceCheckUtils]: 38: Hoare triple {15337#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {15337#false} is VALID [2022-04-28 10:21:55,528 INFO L290 TraceCheckUtils]: 37: Hoare triple {15511#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {15337#false} is VALID [2022-04-28 10:21:55,529 INFO L290 TraceCheckUtils]: 36: Hoare triple {15515#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15511#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 10:21:55,530 INFO L290 TraceCheckUtils]: 35: Hoare triple {15519#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15515#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 10:21:55,530 INFO L290 TraceCheckUtils]: 34: Hoare triple {15523#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15519#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 10:21:55,531 INFO L290 TraceCheckUtils]: 33: Hoare triple {15527#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15523#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 10:21:55,532 INFO L290 TraceCheckUtils]: 32: Hoare triple {15531#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15527#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 10:21:55,532 INFO L290 TraceCheckUtils]: 31: Hoare triple {15535#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15531#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:21:55,533 INFO L290 TraceCheckUtils]: 30: Hoare triple {15539#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15535#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} is VALID [2022-04-28 10:21:55,534 INFO L290 TraceCheckUtils]: 29: Hoare triple {15543#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15539#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:21:55,534 INFO L290 TraceCheckUtils]: 28: Hoare triple {15547#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15543#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} is VALID [2022-04-28 10:21:55,535 INFO L290 TraceCheckUtils]: 27: Hoare triple {15551#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15547#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} is VALID [2022-04-28 10:21:55,535 INFO L290 TraceCheckUtils]: 26: Hoare triple {15555#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15551#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} is VALID [2022-04-28 10:21:55,536 INFO L290 TraceCheckUtils]: 25: Hoare triple {15559#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15555#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} is VALID [2022-04-28 10:21:55,537 INFO L290 TraceCheckUtils]: 24: Hoare triple {15563#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15559#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} is VALID [2022-04-28 10:21:55,537 INFO L290 TraceCheckUtils]: 23: Hoare triple {15567#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15563#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} is VALID [2022-04-28 10:21:55,538 INFO L290 TraceCheckUtils]: 22: Hoare triple {15571#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15567#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} is VALID [2022-04-28 10:21:55,539 INFO L290 TraceCheckUtils]: 21: Hoare triple {15575#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15571#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} is VALID [2022-04-28 10:21:55,539 INFO L290 TraceCheckUtils]: 20: Hoare triple {15579#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15575#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} is VALID [2022-04-28 10:21:55,540 INFO L290 TraceCheckUtils]: 19: Hoare triple {15583#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15579#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} is VALID [2022-04-28 10:21:55,541 INFO L290 TraceCheckUtils]: 18: Hoare triple {15587#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15583#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} is VALID [2022-04-28 10:21:55,541 INFO L290 TraceCheckUtils]: 17: Hoare triple {15591#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15587#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:21:55,542 INFO L290 TraceCheckUtils]: 16: Hoare triple {15595#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15591#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} is VALID [2022-04-28 10:21:55,543 INFO L290 TraceCheckUtils]: 15: Hoare triple {15599#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15595#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} is VALID [2022-04-28 10:21:55,543 INFO L290 TraceCheckUtils]: 14: Hoare triple {15603#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15599#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} is VALID [2022-04-28 10:21:55,544 INFO L290 TraceCheckUtils]: 13: Hoare triple {15607#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15603#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:21:55,544 INFO L290 TraceCheckUtils]: 12: Hoare triple {15611#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15607#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} is VALID [2022-04-28 10:21:55,545 INFO L290 TraceCheckUtils]: 11: Hoare triple {15615#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15611#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} is VALID [2022-04-28 10:21:55,545 INFO L290 TraceCheckUtils]: 10: Hoare triple {15619#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15615#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} is VALID [2022-04-28 10:21:55,546 INFO L290 TraceCheckUtils]: 9: Hoare triple {15623#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15619#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} is VALID [2022-04-28 10:21:55,547 INFO L290 TraceCheckUtils]: 8: Hoare triple {15627#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {15623#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} is VALID [2022-04-28 10:21:55,547 INFO L290 TraceCheckUtils]: 7: Hoare triple {15336#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {15627#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:21:55,547 INFO L290 TraceCheckUtils]: 6: Hoare triple {15336#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {15336#true} is VALID [2022-04-28 10:21:55,547 INFO L290 TraceCheckUtils]: 5: Hoare triple {15336#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {15336#true} is VALID [2022-04-28 10:21:55,547 INFO L272 TraceCheckUtils]: 4: Hoare triple {15336#true} call #t~ret7 := main(); {15336#true} is VALID [2022-04-28 10:21:55,547 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {15336#true} {15336#true} #63#return; {15336#true} is VALID [2022-04-28 10:21:55,547 INFO L290 TraceCheckUtils]: 2: Hoare triple {15336#true} assume true; {15336#true} is VALID [2022-04-28 10:21:55,547 INFO L290 TraceCheckUtils]: 1: Hoare triple {15336#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {15336#true} is VALID [2022-04-28 10:21:55,547 INFO L272 TraceCheckUtils]: 0: Hoare triple {15336#true} call ULTIMATE.init(); {15336#true} is VALID [2022-04-28 10:21:55,548 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:21:55,548 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [187876897] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 10:21:55,548 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 10:21:55,548 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 32, 32] total 64 [2022-04-28 10:21:55,548 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 10:21:55,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [2070816309] [2022-04-28 10:21:55,548 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [2070816309] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 10:21:55,548 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 10:21:55,549 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [33] imperfect sequences [] total 33 [2022-04-28 10:21:55,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24235082] [2022-04-28 10:21:55,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 10:21:55,549 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 1.1515151515151516) internal successors, (38), 32 states have internal predecessors, (38), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 42 [2022-04-28 10:21:55,549 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 10:21:55,549 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 33 states, 33 states have (on average 1.1515151515151516) internal successors, (38), 32 states have internal predecessors, (38), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:21:55,571 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 42 edges. 42 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:21:55,571 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-04-28 10:21:55,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 10:21:55,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-04-28 10:21:55,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1085, Invalid=2947, Unknown=0, NotChecked=0, Total=4032 [2022-04-28 10:21:55,572 INFO L87 Difference]: Start difference. First operand 51 states and 55 transitions. Second operand has 33 states, 33 states have (on average 1.1515151515151516) internal successors, (38), 32 states have internal predecessors, (38), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:21:57,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:21:57,481 INFO L93 Difference]: Finished difference Result 97 states and 106 transitions. [2022-04-28 10:21:57,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-04-28 10:21:57,482 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 1.1515151515151516) internal successors, (38), 32 states have internal predecessors, (38), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 42 [2022-04-28 10:21:57,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 10:21:57,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 33 states have (on average 1.1515151515151516) internal successors, (38), 32 states have internal predecessors, (38), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:21:57,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 75 transitions. [2022-04-28 10:21:57,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 33 states have (on average 1.1515151515151516) internal successors, (38), 32 states have internal predecessors, (38), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:21:57,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 75 transitions. [2022-04-28 10:21:57,484 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 33 states and 75 transitions. [2022-04-28 10:21:57,531 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 75 edges. 75 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:21:57,532 INFO L225 Difference]: With dead ends: 97 [2022-04-28 10:21:57,532 INFO L226 Difference]: Without dead ends: 53 [2022-04-28 10:21:57,533 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 56 SyntacticMatches, 1 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 499 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=2163, Invalid=6579, Unknown=0, NotChecked=0, Total=8742 [2022-04-28 10:21:57,534 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 18 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 991 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 1057 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 991 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-04-28 10:21:57,534 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 43 Invalid, 1057 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 991 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-04-28 10:21:57,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2022-04-28 10:21:57,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 52. [2022-04-28 10:21:57,573 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 10:21:57,573 INFO L82 GeneralOperation]: Start isEquivalent. First operand 53 states. Second operand has 52 states, 44 states have (on average 1.0909090909090908) internal successors, (48), 45 states have internal predecessors, (48), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:21:57,573 INFO L74 IsIncluded]: Start isIncluded. First operand 53 states. Second operand has 52 states, 44 states have (on average 1.0909090909090908) internal successors, (48), 45 states have internal predecessors, (48), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:21:57,573 INFO L87 Difference]: Start difference. First operand 53 states. Second operand has 52 states, 44 states have (on average 1.0909090909090908) internal successors, (48), 45 states have internal predecessors, (48), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:21:57,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:21:57,574 INFO L93 Difference]: Finished difference Result 53 states and 57 transitions. [2022-04-28 10:21:57,574 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 57 transitions. [2022-04-28 10:21:57,574 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:21:57,574 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:21:57,574 INFO L74 IsIncluded]: Start isIncluded. First operand has 52 states, 44 states have (on average 1.0909090909090908) internal successors, (48), 45 states have internal predecessors, (48), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 53 states. [2022-04-28 10:21:57,575 INFO L87 Difference]: Start difference. First operand has 52 states, 44 states have (on average 1.0909090909090908) internal successors, (48), 45 states have internal predecessors, (48), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 53 states. [2022-04-28 10:21:57,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:21:57,575 INFO L93 Difference]: Finished difference Result 53 states and 57 transitions. [2022-04-28 10:21:57,575 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 57 transitions. [2022-04-28 10:21:57,575 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:21:57,575 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:21:57,575 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 10:21:57,576 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 10:21:57,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 44 states have (on average 1.0909090909090908) internal successors, (48), 45 states have internal predecessors, (48), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:21:57,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 56 transitions. [2022-04-28 10:21:57,576 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 56 transitions. Word has length 42 [2022-04-28 10:21:57,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 10:21:57,576 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 56 transitions. [2022-04-28 10:21:57,576 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 1.1515151515151516) internal successors, (38), 32 states have internal predecessors, (38), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:21:57,577 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 52 states and 56 transitions. [2022-04-28 10:21:57,632 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 56 edges. 56 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:21:57,632 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 56 transitions. [2022-04-28 10:21:57,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-04-28 10:21:57,632 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 10:21:57,632 INFO L195 NwaCegarLoop]: trace histogram [30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 10:21:57,648 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2022-04-28 10:21:57,833 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:21:57,833 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 10:21:57,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 10:21:57,833 INFO L85 PathProgramCache]: Analyzing trace with hash -1848893630, now seen corresponding path program 59 times [2022-04-28 10:21:57,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 10:21:57,833 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1123348428] [2022-04-28 10:21:57,840 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-28 10:21:57,841 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-28 10:21:57,841 INFO L85 PathProgramCache]: Analyzing trace with hash -1848893630, now seen corresponding path program 60 times [2022-04-28 10:21:57,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 10:21:57,841 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350972278] [2022-04-28 10:21:57,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 10:21:57,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 10:21:57,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:21:58,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 10:21:58,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:21:58,440 INFO L290 TraceCheckUtils]: 0: Hoare triple {16155#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {16119#true} is VALID [2022-04-28 10:21:58,440 INFO L290 TraceCheckUtils]: 1: Hoare triple {16119#true} assume true; {16119#true} is VALID [2022-04-28 10:21:58,440 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {16119#true} {16119#true} #63#return; {16119#true} is VALID [2022-04-28 10:21:58,440 INFO L272 TraceCheckUtils]: 0: Hoare triple {16119#true} call ULTIMATE.init(); {16155#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 10:21:58,440 INFO L290 TraceCheckUtils]: 1: Hoare triple {16155#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {16119#true} is VALID [2022-04-28 10:21:58,440 INFO L290 TraceCheckUtils]: 2: Hoare triple {16119#true} assume true; {16119#true} is VALID [2022-04-28 10:21:58,441 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {16119#true} {16119#true} #63#return; {16119#true} is VALID [2022-04-28 10:21:58,441 INFO L272 TraceCheckUtils]: 4: Hoare triple {16119#true} call #t~ret7 := main(); {16119#true} is VALID [2022-04-28 10:21:58,441 INFO L290 TraceCheckUtils]: 5: Hoare triple {16119#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {16119#true} is VALID [2022-04-28 10:21:58,441 INFO L290 TraceCheckUtils]: 6: Hoare triple {16119#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {16119#true} is VALID [2022-04-28 10:21:58,441 INFO L290 TraceCheckUtils]: 7: Hoare triple {16119#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {16124#(= main_~z~0 0)} is VALID [2022-04-28 10:21:58,441 INFO L290 TraceCheckUtils]: 8: Hoare triple {16124#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16125#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:21:58,447 INFO L290 TraceCheckUtils]: 9: Hoare triple {16125#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16126#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:21:58,455 INFO L290 TraceCheckUtils]: 10: Hoare triple {16126#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16127#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:21:58,456 INFO L290 TraceCheckUtils]: 11: Hoare triple {16127#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16128#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:21:58,456 INFO L290 TraceCheckUtils]: 12: Hoare triple {16128#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16129#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:21:58,457 INFO L290 TraceCheckUtils]: 13: Hoare triple {16129#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16130#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:21:58,457 INFO L290 TraceCheckUtils]: 14: Hoare triple {16130#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16131#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:21:58,458 INFO L290 TraceCheckUtils]: 15: Hoare triple {16131#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16132#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:21:58,458 INFO L290 TraceCheckUtils]: 16: Hoare triple {16132#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16133#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:21:58,459 INFO L290 TraceCheckUtils]: 17: Hoare triple {16133#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16134#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:21:58,459 INFO L290 TraceCheckUtils]: 18: Hoare triple {16134#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16135#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:21:58,460 INFO L290 TraceCheckUtils]: 19: Hoare triple {16135#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16136#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:21:58,460 INFO L290 TraceCheckUtils]: 20: Hoare triple {16136#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16137#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:21:58,461 INFO L290 TraceCheckUtils]: 21: Hoare triple {16137#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16138#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:21:58,461 INFO L290 TraceCheckUtils]: 22: Hoare triple {16138#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16139#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:21:58,462 INFO L290 TraceCheckUtils]: 23: Hoare triple {16139#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16140#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:21:58,462 INFO L290 TraceCheckUtils]: 24: Hoare triple {16140#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16141#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:21:58,463 INFO L290 TraceCheckUtils]: 25: Hoare triple {16141#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16142#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:21:58,463 INFO L290 TraceCheckUtils]: 26: Hoare triple {16142#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16143#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:21:58,467 INFO L290 TraceCheckUtils]: 27: Hoare triple {16143#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16144#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 10:21:58,467 INFO L290 TraceCheckUtils]: 28: Hoare triple {16144#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16145#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 10:21:58,468 INFO L290 TraceCheckUtils]: 29: Hoare triple {16145#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16146#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 10:21:58,469 INFO L290 TraceCheckUtils]: 30: Hoare triple {16146#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16147#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 10:21:58,469 INFO L290 TraceCheckUtils]: 31: Hoare triple {16147#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16148#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 10:21:58,470 INFO L290 TraceCheckUtils]: 32: Hoare triple {16148#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16149#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 10:21:58,470 INFO L290 TraceCheckUtils]: 33: Hoare triple {16149#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16150#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 10:21:58,470 INFO L290 TraceCheckUtils]: 34: Hoare triple {16150#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16151#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 10:21:58,471 INFO L290 TraceCheckUtils]: 35: Hoare triple {16151#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16152#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 10:21:58,471 INFO L290 TraceCheckUtils]: 36: Hoare triple {16152#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16153#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 10:21:58,472 INFO L290 TraceCheckUtils]: 37: Hoare triple {16153#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16154#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 30))} is VALID [2022-04-28 10:21:58,472 INFO L290 TraceCheckUtils]: 38: Hoare triple {16154#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 30))} assume !(~z~0 % 4294967296 < 268435455); {16120#false} is VALID [2022-04-28 10:21:58,473 INFO L272 TraceCheckUtils]: 39: Hoare triple {16120#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {16120#false} is VALID [2022-04-28 10:21:58,473 INFO L290 TraceCheckUtils]: 40: Hoare triple {16120#false} ~cond := #in~cond; {16120#false} is VALID [2022-04-28 10:21:58,473 INFO L290 TraceCheckUtils]: 41: Hoare triple {16120#false} assume 0 == ~cond; {16120#false} is VALID [2022-04-28 10:21:58,473 INFO L290 TraceCheckUtils]: 42: Hoare triple {16120#false} assume !false; {16120#false} is VALID [2022-04-28 10:21:58,473 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:21:58,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 10:21:58,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350972278] [2022-04-28 10:21:58,473 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350972278] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 10:21:58,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1826829172] [2022-04-28 10:21:58,474 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-04-28 10:21:58,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:21:58,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 10:21:58,475 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 10:21:58,475 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2022-04-28 10:21:59,384 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 16 check-sat command(s) [2022-04-28 10:21:59,384 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 10:21:59,388 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 66 conjunts are in the unsatisfiable core [2022-04-28 10:21:59,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:21:59,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 10:21:59,702 INFO L272 TraceCheckUtils]: 0: Hoare triple {16119#true} call ULTIMATE.init(); {16119#true} is VALID [2022-04-28 10:21:59,703 INFO L290 TraceCheckUtils]: 1: Hoare triple {16119#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {16119#true} is VALID [2022-04-28 10:21:59,703 INFO L290 TraceCheckUtils]: 2: Hoare triple {16119#true} assume true; {16119#true} is VALID [2022-04-28 10:21:59,703 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {16119#true} {16119#true} #63#return; {16119#true} is VALID [2022-04-28 10:21:59,703 INFO L272 TraceCheckUtils]: 4: Hoare triple {16119#true} call #t~ret7 := main(); {16119#true} is VALID [2022-04-28 10:21:59,703 INFO L290 TraceCheckUtils]: 5: Hoare triple {16119#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {16119#true} is VALID [2022-04-28 10:21:59,703 INFO L290 TraceCheckUtils]: 6: Hoare triple {16119#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {16119#true} is VALID [2022-04-28 10:21:59,704 INFO L290 TraceCheckUtils]: 7: Hoare triple {16119#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {16124#(= main_~z~0 0)} is VALID [2022-04-28 10:21:59,704 INFO L290 TraceCheckUtils]: 8: Hoare triple {16124#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16125#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:21:59,704 INFO L290 TraceCheckUtils]: 9: Hoare triple {16125#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16126#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:21:59,705 INFO L290 TraceCheckUtils]: 10: Hoare triple {16126#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16127#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:21:59,706 INFO L290 TraceCheckUtils]: 11: Hoare triple {16127#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16128#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:21:59,706 INFO L290 TraceCheckUtils]: 12: Hoare triple {16128#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16129#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:21:59,707 INFO L290 TraceCheckUtils]: 13: Hoare triple {16129#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16130#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:21:59,707 INFO L290 TraceCheckUtils]: 14: Hoare triple {16130#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16131#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:21:59,708 INFO L290 TraceCheckUtils]: 15: Hoare triple {16131#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16132#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:21:59,708 INFO L290 TraceCheckUtils]: 16: Hoare triple {16132#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16133#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:21:59,708 INFO L290 TraceCheckUtils]: 17: Hoare triple {16133#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16134#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:21:59,709 INFO L290 TraceCheckUtils]: 18: Hoare triple {16134#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16135#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:21:59,709 INFO L290 TraceCheckUtils]: 19: Hoare triple {16135#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16136#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:21:59,710 INFO L290 TraceCheckUtils]: 20: Hoare triple {16136#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16137#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:21:59,711 INFO L290 TraceCheckUtils]: 21: Hoare triple {16137#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16138#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:21:59,711 INFO L290 TraceCheckUtils]: 22: Hoare triple {16138#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16139#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:21:59,712 INFO L290 TraceCheckUtils]: 23: Hoare triple {16139#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16140#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:21:59,712 INFO L290 TraceCheckUtils]: 24: Hoare triple {16140#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16141#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:21:59,713 INFO L290 TraceCheckUtils]: 25: Hoare triple {16141#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16142#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:21:59,713 INFO L290 TraceCheckUtils]: 26: Hoare triple {16142#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16143#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:21:59,714 INFO L290 TraceCheckUtils]: 27: Hoare triple {16143#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16144#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 10:21:59,714 INFO L290 TraceCheckUtils]: 28: Hoare triple {16144#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16145#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 10:21:59,715 INFO L290 TraceCheckUtils]: 29: Hoare triple {16145#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16146#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 10:21:59,715 INFO L290 TraceCheckUtils]: 30: Hoare triple {16146#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16147#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 10:21:59,716 INFO L290 TraceCheckUtils]: 31: Hoare triple {16147#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16148#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 10:21:59,716 INFO L290 TraceCheckUtils]: 32: Hoare triple {16148#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16149#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 10:21:59,717 INFO L290 TraceCheckUtils]: 33: Hoare triple {16149#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16150#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 10:21:59,717 INFO L290 TraceCheckUtils]: 34: Hoare triple {16150#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16151#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 10:21:59,718 INFO L290 TraceCheckUtils]: 35: Hoare triple {16151#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16152#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 10:21:59,718 INFO L290 TraceCheckUtils]: 36: Hoare triple {16152#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16153#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 10:21:59,719 INFO L290 TraceCheckUtils]: 37: Hoare triple {16153#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16270#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 10:21:59,719 INFO L290 TraceCheckUtils]: 38: Hoare triple {16270#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !(~z~0 % 4294967296 < 268435455); {16120#false} is VALID [2022-04-28 10:21:59,719 INFO L272 TraceCheckUtils]: 39: Hoare triple {16120#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {16120#false} is VALID [2022-04-28 10:21:59,719 INFO L290 TraceCheckUtils]: 40: Hoare triple {16120#false} ~cond := #in~cond; {16120#false} is VALID [2022-04-28 10:21:59,719 INFO L290 TraceCheckUtils]: 41: Hoare triple {16120#false} assume 0 == ~cond; {16120#false} is VALID [2022-04-28 10:21:59,720 INFO L290 TraceCheckUtils]: 42: Hoare triple {16120#false} assume !false; {16120#false} is VALID [2022-04-28 10:21:59,720 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:21:59,720 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 10:22:02,264 INFO L290 TraceCheckUtils]: 42: Hoare triple {16120#false} assume !false; {16120#false} is VALID [2022-04-28 10:22:02,264 INFO L290 TraceCheckUtils]: 41: Hoare triple {16289#(not (<= __VERIFIER_assert_~cond 0))} assume 0 == ~cond; {16120#false} is VALID [2022-04-28 10:22:02,265 INFO L290 TraceCheckUtils]: 40: Hoare triple {16293#(< 0 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {16289#(not (<= __VERIFIER_assert_~cond 0))} is VALID [2022-04-28 10:22:02,265 INFO L272 TraceCheckUtils]: 39: Hoare triple {16297#(= (mod main_~z~0 4) 0)} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {16293#(< 0 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-28 10:22:02,265 INFO L290 TraceCheckUtils]: 38: Hoare triple {16301#(or (< (mod main_~z~0 4294967296) 268435455) (= (mod main_~z~0 4) 0))} assume !(~z~0 % 4294967296 < 268435455); {16297#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 10:22:02,266 INFO L290 TraceCheckUtils]: 37: Hoare triple {16305#(or (< (mod (+ main_~z~0 1) 4294967296) 268435455) (= (mod (+ main_~z~0 1) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16301#(or (< (mod main_~z~0 4294967296) 268435455) (= (mod main_~z~0 4) 0))} is VALID [2022-04-28 10:22:02,267 INFO L290 TraceCheckUtils]: 36: Hoare triple {16309#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 2) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16305#(or (< (mod (+ main_~z~0 1) 4294967296) 268435455) (= (mod (+ main_~z~0 1) 4) 0))} is VALID [2022-04-28 10:22:02,269 INFO L290 TraceCheckUtils]: 35: Hoare triple {16313#(or (< (mod (+ main_~z~0 3) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16309#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 2) 4294967296) 268435455))} is VALID [2022-04-28 10:22:02,274 INFO L290 TraceCheckUtils]: 34: Hoare triple {16317#(or (= (mod main_~z~0 4) 0) (< (mod (+ main_~z~0 4) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16313#(or (< (mod (+ main_~z~0 3) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} is VALID [2022-04-28 10:22:02,280 INFO L290 TraceCheckUtils]: 33: Hoare triple {16321#(or (< (mod (+ 5 main_~z~0) 4294967296) 268435455) (= (mod (+ main_~z~0 1) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16317#(or (= (mod main_~z~0 4) 0) (< (mod (+ main_~z~0 4) 4294967296) 268435455))} is VALID [2022-04-28 10:22:02,281 INFO L290 TraceCheckUtils]: 32: Hoare triple {16325#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 6) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16321#(or (< (mod (+ 5 main_~z~0) 4294967296) 268435455) (= (mod (+ main_~z~0 1) 4) 0))} is VALID [2022-04-28 10:22:02,282 INFO L290 TraceCheckUtils]: 31: Hoare triple {16329#(or (< (mod (+ 7 main_~z~0) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16325#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 6) 4294967296) 268435455))} is VALID [2022-04-28 10:22:02,284 INFO L290 TraceCheckUtils]: 30: Hoare triple {16333#(or (< (mod (+ main_~z~0 8) 4294967296) 268435455) (= (mod main_~z~0 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16329#(or (< (mod (+ 7 main_~z~0) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} is VALID [2022-04-28 10:22:02,285 INFO L290 TraceCheckUtils]: 29: Hoare triple {16337#(or (= (mod (+ main_~z~0 1) 4) 0) (< (mod (+ main_~z~0 9) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16333#(or (< (mod (+ main_~z~0 8) 4294967296) 268435455) (= (mod main_~z~0 4) 0))} is VALID [2022-04-28 10:22:02,285 INFO L290 TraceCheckUtils]: 28: Hoare triple {16341#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 10) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16337#(or (= (mod (+ main_~z~0 1) 4) 0) (< (mod (+ main_~z~0 9) 4294967296) 268435455))} is VALID [2022-04-28 10:22:02,286 INFO L290 TraceCheckUtils]: 27: Hoare triple {16345#(or (< (mod (+ main_~z~0 11) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16341#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 10) 4294967296) 268435455))} is VALID [2022-04-28 10:22:02,287 INFO L290 TraceCheckUtils]: 26: Hoare triple {16349#(or (= (mod main_~z~0 4) 0) (< (mod (+ main_~z~0 12) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16345#(or (< (mod (+ main_~z~0 11) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} is VALID [2022-04-28 10:22:02,288 INFO L290 TraceCheckUtils]: 25: Hoare triple {16353#(or (< (mod (+ main_~z~0 13) 4294967296) 268435455) (= (mod (+ main_~z~0 1) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16349#(or (= (mod main_~z~0 4) 0) (< (mod (+ main_~z~0 12) 4294967296) 268435455))} is VALID [2022-04-28 10:22:02,300 INFO L290 TraceCheckUtils]: 24: Hoare triple {16357#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 14) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16353#(or (< (mod (+ main_~z~0 13) 4294967296) 268435455) (= (mod (+ main_~z~0 1) 4) 0))} is VALID [2022-04-28 10:22:02,301 INFO L290 TraceCheckUtils]: 23: Hoare triple {16361#(or (< (mod (+ main_~z~0 15) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16357#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 14) 4294967296) 268435455))} is VALID [2022-04-28 10:22:02,303 INFO L290 TraceCheckUtils]: 22: Hoare triple {16365#(or (< (mod (+ main_~z~0 16) 4294967296) 268435455) (= (mod main_~z~0 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16361#(or (< (mod (+ main_~z~0 15) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} is VALID [2022-04-28 10:22:02,430 INFO L290 TraceCheckUtils]: 21: Hoare triple {16369#(or (< (mod (+ main_~z~0 17) 4294967296) 268435455) (= (mod (+ main_~z~0 1) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16365#(or (< (mod (+ main_~z~0 16) 4294967296) 268435455) (= (mod main_~z~0 4) 0))} is VALID [2022-04-28 10:22:02,431 INFO L290 TraceCheckUtils]: 20: Hoare triple {16373#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 18) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16369#(or (< (mod (+ main_~z~0 17) 4294967296) 268435455) (= (mod (+ main_~z~0 1) 4) 0))} is VALID [2022-04-28 10:22:02,432 INFO L290 TraceCheckUtils]: 19: Hoare triple {16377#(or (< (mod (+ 19 main_~z~0) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16373#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 18) 4294967296) 268435455))} is VALID [2022-04-28 10:22:02,433 INFO L290 TraceCheckUtils]: 18: Hoare triple {16381#(or (< (mod (+ main_~z~0 20) 4294967296) 268435455) (= (mod main_~z~0 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16377#(or (< (mod (+ 19 main_~z~0) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} is VALID [2022-04-28 10:22:02,434 INFO L290 TraceCheckUtils]: 17: Hoare triple {16385#(or (< (mod (+ main_~z~0 21) 4294967296) 268435455) (= (mod (+ main_~z~0 1) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16381#(or (< (mod (+ main_~z~0 20) 4294967296) 268435455) (= (mod main_~z~0 4) 0))} is VALID [2022-04-28 10:22:02,435 INFO L290 TraceCheckUtils]: 16: Hoare triple {16389#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 22) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16385#(or (< (mod (+ main_~z~0 21) 4294967296) 268435455) (= (mod (+ main_~z~0 1) 4) 0))} is VALID [2022-04-28 10:22:02,435 INFO L290 TraceCheckUtils]: 15: Hoare triple {16393#(or (< (mod (+ 23 main_~z~0) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16389#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 22) 4294967296) 268435455))} is VALID [2022-04-28 10:22:02,439 INFO L290 TraceCheckUtils]: 14: Hoare triple {16397#(or (< (mod (+ main_~z~0 24) 4294967296) 268435455) (= (mod main_~z~0 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16393#(or (< (mod (+ 23 main_~z~0) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} is VALID [2022-04-28 10:22:02,440 INFO L290 TraceCheckUtils]: 13: Hoare triple {16401#(or (= (mod (+ main_~z~0 1) 4) 0) (< (mod (+ main_~z~0 25) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16397#(or (< (mod (+ main_~z~0 24) 4294967296) 268435455) (= (mod main_~z~0 4) 0))} is VALID [2022-04-28 10:22:02,441 INFO L290 TraceCheckUtils]: 12: Hoare triple {16405#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 26) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16401#(or (= (mod (+ main_~z~0 1) 4) 0) (< (mod (+ main_~z~0 25) 4294967296) 268435455))} is VALID [2022-04-28 10:22:02,442 INFO L290 TraceCheckUtils]: 11: Hoare triple {16409#(or (< (mod (+ main_~z~0 27) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16405#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 26) 4294967296) 268435455))} is VALID [2022-04-28 10:22:02,447 INFO L290 TraceCheckUtils]: 10: Hoare triple {16413#(or (< (mod (+ main_~z~0 28) 4294967296) 268435455) (= (mod main_~z~0 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16409#(or (< (mod (+ main_~z~0 27) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} is VALID [2022-04-28 10:22:02,448 INFO L290 TraceCheckUtils]: 9: Hoare triple {16417#(or (= (mod (+ main_~z~0 1) 4) 0) (< (mod (+ 29 main_~z~0) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16413#(or (< (mod (+ main_~z~0 28) 4294967296) 268435455) (= (mod main_~z~0 4) 0))} is VALID [2022-04-28 10:22:02,448 INFO L290 TraceCheckUtils]: 8: Hoare triple {16421#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ 30 main_~z~0) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16417#(or (= (mod (+ main_~z~0 1) 4) 0) (< (mod (+ 29 main_~z~0) 4294967296) 268435455))} is VALID [2022-04-28 10:22:02,449 INFO L290 TraceCheckUtils]: 7: Hoare triple {16119#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {16421#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ 30 main_~z~0) 4294967296) 268435455))} is VALID [2022-04-28 10:22:02,449 INFO L290 TraceCheckUtils]: 6: Hoare triple {16119#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {16119#true} is VALID [2022-04-28 10:22:02,449 INFO L290 TraceCheckUtils]: 5: Hoare triple {16119#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {16119#true} is VALID [2022-04-28 10:22:02,449 INFO L272 TraceCheckUtils]: 4: Hoare triple {16119#true} call #t~ret7 := main(); {16119#true} is VALID [2022-04-28 10:22:02,449 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {16119#true} {16119#true} #63#return; {16119#true} is VALID [2022-04-28 10:22:02,449 INFO L290 TraceCheckUtils]: 2: Hoare triple {16119#true} assume true; {16119#true} is VALID [2022-04-28 10:22:02,449 INFO L290 TraceCheckUtils]: 1: Hoare triple {16119#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {16119#true} is VALID [2022-04-28 10:22:02,449 INFO L272 TraceCheckUtils]: 0: Hoare triple {16119#true} call ULTIMATE.init(); {16119#true} is VALID [2022-04-28 10:22:02,450 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:22:02,450 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1826829172] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 10:22:02,450 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 10:22:02,450 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 33, 36] total 69 [2022-04-28 10:22:02,450 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 10:22:02,450 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1123348428] [2022-04-28 10:22:02,450 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1123348428] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 10:22:02,450 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 10:22:02,450 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [34] imperfect sequences [] total 34 [2022-04-28 10:22:02,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049440420] [2022-04-28 10:22:02,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 10:22:02,451 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 1.1470588235294117) internal successors, (39), 33 states have internal predecessors, (39), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 43 [2022-04-28 10:22:02,451 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 10:22:02,451 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 34 states, 34 states have (on average 1.1470588235294117) internal successors, (39), 33 states have internal predecessors, (39), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:22:02,475 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 43 edges. 43 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:22:02,475 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2022-04-28 10:22:02,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 10:22:02,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2022-04-28 10:22:02,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1174, Invalid=3518, Unknown=0, NotChecked=0, Total=4692 [2022-04-28 10:22:02,476 INFO L87 Difference]: Start difference. First operand 52 states and 56 transitions. Second operand has 34 states, 34 states have (on average 1.1470588235294117) internal successors, (39), 33 states have internal predecessors, (39), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:22:04,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:22:04,927 INFO L93 Difference]: Finished difference Result 99 states and 108 transitions. [2022-04-28 10:22:04,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-04-28 10:22:04,927 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 1.1470588235294117) internal successors, (39), 33 states have internal predecessors, (39), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 43 [2022-04-28 10:22:04,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 10:22:04,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 34 states have (on average 1.1470588235294117) internal successors, (39), 33 states have internal predecessors, (39), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:22:04,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 76 transitions. [2022-04-28 10:22:04,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 34 states have (on average 1.1470588235294117) internal successors, (39), 33 states have internal predecessors, (39), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:22:04,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 76 transitions. [2022-04-28 10:22:04,937 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 34 states and 76 transitions. [2022-04-28 10:22:04,986 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 76 edges. 76 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:22:04,987 INFO L225 Difference]: With dead ends: 99 [2022-04-28 10:22:04,987 INFO L226 Difference]: Without dead ends: 54 [2022-04-28 10:22:04,988 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 54 SyntacticMatches, 1 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 637 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=2327, Invalid=7573, Unknown=0, NotChecked=0, Total=9900 [2022-04-28 10:22:04,988 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 17 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 1294 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 1361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 1294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-04-28 10:22:04,988 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 123 Invalid, 1361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 1294 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-04-28 10:22:04,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2022-04-28 10:22:05,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 53. [2022-04-28 10:22:05,034 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 10:22:05,035 INFO L82 GeneralOperation]: Start isEquivalent. First operand 54 states. Second operand has 53 states, 45 states have (on average 1.0888888888888888) internal successors, (49), 46 states have internal predecessors, (49), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:22:05,035 INFO L74 IsIncluded]: Start isIncluded. First operand 54 states. Second operand has 53 states, 45 states have (on average 1.0888888888888888) internal successors, (49), 46 states have internal predecessors, (49), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:22:05,035 INFO L87 Difference]: Start difference. First operand 54 states. Second operand has 53 states, 45 states have (on average 1.0888888888888888) internal successors, (49), 46 states have internal predecessors, (49), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:22:05,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:22:05,036 INFO L93 Difference]: Finished difference Result 54 states and 58 transitions. [2022-04-28 10:22:05,036 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 58 transitions. [2022-04-28 10:22:05,036 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:22:05,036 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:22:05,036 INFO L74 IsIncluded]: Start isIncluded. First operand has 53 states, 45 states have (on average 1.0888888888888888) internal successors, (49), 46 states have internal predecessors, (49), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 54 states. [2022-04-28 10:22:05,036 INFO L87 Difference]: Start difference. First operand has 53 states, 45 states have (on average 1.0888888888888888) internal successors, (49), 46 states have internal predecessors, (49), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 54 states. [2022-04-28 10:22:05,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:22:05,037 INFO L93 Difference]: Finished difference Result 54 states and 58 transitions. [2022-04-28 10:22:05,037 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 58 transitions. [2022-04-28 10:22:05,037 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:22:05,037 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:22:05,037 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 10:22:05,037 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 10:22:05,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 45 states have (on average 1.0888888888888888) internal successors, (49), 46 states have internal predecessors, (49), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:22:05,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 57 transitions. [2022-04-28 10:22:05,038 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 57 transitions. Word has length 43 [2022-04-28 10:22:05,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 10:22:05,038 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 57 transitions. [2022-04-28 10:22:05,038 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 1.1470588235294117) internal successors, (39), 33 states have internal predecessors, (39), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:22:05,038 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 53 states and 57 transitions. [2022-04-28 10:22:05,104 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 57 edges. 57 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:22:05,104 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 57 transitions. [2022-04-28 10:22:05,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-04-28 10:22:05,105 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 10:22:05,105 INFO L195 NwaCegarLoop]: trace histogram [31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 10:22:05,111 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2022-04-28 10:22:05,309 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2022-04-28 10:22:05,309 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 10:22:05,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 10:22:05,309 INFO L85 PathProgramCache]: Analyzing trace with hash -1454825118, now seen corresponding path program 61 times [2022-04-28 10:22:05,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 10:22:05,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1037921333] [2022-04-28 10:22:05,312 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-28 10:22:05,312 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-28 10:22:05,312 INFO L85 PathProgramCache]: Analyzing trace with hash -1454825118, now seen corresponding path program 62 times [2022-04-28 10:22:05,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 10:22:05,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367924023] [2022-04-28 10:22:05,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 10:22:05,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 10:22:05,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:22:05,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 10:22:05,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:22:05,979 INFO L290 TraceCheckUtils]: 0: Hoare triple {16960#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {16923#true} is VALID [2022-04-28 10:22:05,980 INFO L290 TraceCheckUtils]: 1: Hoare triple {16923#true} assume true; {16923#true} is VALID [2022-04-28 10:22:05,980 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {16923#true} {16923#true} #63#return; {16923#true} is VALID [2022-04-28 10:22:05,980 INFO L272 TraceCheckUtils]: 0: Hoare triple {16923#true} call ULTIMATE.init(); {16960#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 10:22:05,980 INFO L290 TraceCheckUtils]: 1: Hoare triple {16960#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {16923#true} is VALID [2022-04-28 10:22:05,980 INFO L290 TraceCheckUtils]: 2: Hoare triple {16923#true} assume true; {16923#true} is VALID [2022-04-28 10:22:05,980 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {16923#true} {16923#true} #63#return; {16923#true} is VALID [2022-04-28 10:22:05,981 INFO L272 TraceCheckUtils]: 4: Hoare triple {16923#true} call #t~ret7 := main(); {16923#true} is VALID [2022-04-28 10:22:05,981 INFO L290 TraceCheckUtils]: 5: Hoare triple {16923#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {16923#true} is VALID [2022-04-28 10:22:05,981 INFO L290 TraceCheckUtils]: 6: Hoare triple {16923#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {16923#true} is VALID [2022-04-28 10:22:05,981 INFO L290 TraceCheckUtils]: 7: Hoare triple {16923#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {16928#(= main_~z~0 0)} is VALID [2022-04-28 10:22:05,981 INFO L290 TraceCheckUtils]: 8: Hoare triple {16928#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16929#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:22:05,982 INFO L290 TraceCheckUtils]: 9: Hoare triple {16929#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16930#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:22:05,982 INFO L290 TraceCheckUtils]: 10: Hoare triple {16930#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16931#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:22:05,983 INFO L290 TraceCheckUtils]: 11: Hoare triple {16931#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16932#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:22:05,983 INFO L290 TraceCheckUtils]: 12: Hoare triple {16932#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16933#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:22:05,984 INFO L290 TraceCheckUtils]: 13: Hoare triple {16933#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16934#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:22:05,985 INFO L290 TraceCheckUtils]: 14: Hoare triple {16934#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16935#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:22:05,985 INFO L290 TraceCheckUtils]: 15: Hoare triple {16935#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16936#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:22:05,986 INFO L290 TraceCheckUtils]: 16: Hoare triple {16936#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16937#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:22:05,986 INFO L290 TraceCheckUtils]: 17: Hoare triple {16937#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16938#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:22:05,987 INFO L290 TraceCheckUtils]: 18: Hoare triple {16938#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16939#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:22:05,987 INFO L290 TraceCheckUtils]: 19: Hoare triple {16939#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16940#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:22:05,988 INFO L290 TraceCheckUtils]: 20: Hoare triple {16940#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16941#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:22:05,992 INFO L290 TraceCheckUtils]: 21: Hoare triple {16941#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16942#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:22:05,993 INFO L290 TraceCheckUtils]: 22: Hoare triple {16942#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16943#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:22:05,994 INFO L290 TraceCheckUtils]: 23: Hoare triple {16943#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16944#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:22:05,994 INFO L290 TraceCheckUtils]: 24: Hoare triple {16944#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16945#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:22:05,995 INFO L290 TraceCheckUtils]: 25: Hoare triple {16945#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16946#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:22:05,995 INFO L290 TraceCheckUtils]: 26: Hoare triple {16946#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16947#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:22:05,996 INFO L290 TraceCheckUtils]: 27: Hoare triple {16947#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16948#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 10:22:05,997 INFO L290 TraceCheckUtils]: 28: Hoare triple {16948#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16949#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 10:22:05,997 INFO L290 TraceCheckUtils]: 29: Hoare triple {16949#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16950#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 10:22:05,998 INFO L290 TraceCheckUtils]: 30: Hoare triple {16950#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16951#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 10:22:05,999 INFO L290 TraceCheckUtils]: 31: Hoare triple {16951#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16952#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 10:22:05,999 INFO L290 TraceCheckUtils]: 32: Hoare triple {16952#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16953#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 10:22:06,000 INFO L290 TraceCheckUtils]: 33: Hoare triple {16953#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16954#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 10:22:06,000 INFO L290 TraceCheckUtils]: 34: Hoare triple {16954#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16955#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 10:22:06,001 INFO L290 TraceCheckUtils]: 35: Hoare triple {16955#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16956#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 10:22:06,001 INFO L290 TraceCheckUtils]: 36: Hoare triple {16956#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16957#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 10:22:06,002 INFO L290 TraceCheckUtils]: 37: Hoare triple {16957#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16958#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 10:22:06,002 INFO L290 TraceCheckUtils]: 38: Hoare triple {16958#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16959#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 31))} is VALID [2022-04-28 10:22:06,003 INFO L290 TraceCheckUtils]: 39: Hoare triple {16959#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 31))} assume !(~z~0 % 4294967296 < 268435455); {16924#false} is VALID [2022-04-28 10:22:06,003 INFO L272 TraceCheckUtils]: 40: Hoare triple {16924#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {16924#false} is VALID [2022-04-28 10:22:06,003 INFO L290 TraceCheckUtils]: 41: Hoare triple {16924#false} ~cond := #in~cond; {16924#false} is VALID [2022-04-28 10:22:06,003 INFO L290 TraceCheckUtils]: 42: Hoare triple {16924#false} assume 0 == ~cond; {16924#false} is VALID [2022-04-28 10:22:06,003 INFO L290 TraceCheckUtils]: 43: Hoare triple {16924#false} assume !false; {16924#false} is VALID [2022-04-28 10:22:06,003 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:22:06,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 10:22:06,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367924023] [2022-04-28 10:22:06,004 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367924023] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 10:22:06,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1417126627] [2022-04-28 10:22:06,004 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-28 10:22:06,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:22:06,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 10:22:06,005 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 10:22:06,005 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2022-04-28 10:22:06,118 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-28 10:22:06,118 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 10:22:06,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 65 conjunts are in the unsatisfiable core [2022-04-28 10:22:06,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:22:06,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 10:22:06,516 INFO L272 TraceCheckUtils]: 0: Hoare triple {16923#true} call ULTIMATE.init(); {16923#true} is VALID [2022-04-28 10:22:06,516 INFO L290 TraceCheckUtils]: 1: Hoare triple {16923#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {16923#true} is VALID [2022-04-28 10:22:06,516 INFO L290 TraceCheckUtils]: 2: Hoare triple {16923#true} assume true; {16923#true} is VALID [2022-04-28 10:22:06,516 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {16923#true} {16923#true} #63#return; {16923#true} is VALID [2022-04-28 10:22:06,516 INFO L272 TraceCheckUtils]: 4: Hoare triple {16923#true} call #t~ret7 := main(); {16923#true} is VALID [2022-04-28 10:22:06,516 INFO L290 TraceCheckUtils]: 5: Hoare triple {16923#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {16923#true} is VALID [2022-04-28 10:22:06,516 INFO L290 TraceCheckUtils]: 6: Hoare triple {16923#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {16923#true} is VALID [2022-04-28 10:22:06,517 INFO L290 TraceCheckUtils]: 7: Hoare triple {16923#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {16928#(= main_~z~0 0)} is VALID [2022-04-28 10:22:06,517 INFO L290 TraceCheckUtils]: 8: Hoare triple {16928#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16929#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:22:06,518 INFO L290 TraceCheckUtils]: 9: Hoare triple {16929#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16930#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:22:06,518 INFO L290 TraceCheckUtils]: 10: Hoare triple {16930#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16931#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:22:06,519 INFO L290 TraceCheckUtils]: 11: Hoare triple {16931#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16932#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:22:06,519 INFO L290 TraceCheckUtils]: 12: Hoare triple {16932#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16933#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:22:06,520 INFO L290 TraceCheckUtils]: 13: Hoare triple {16933#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16934#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:22:06,520 INFO L290 TraceCheckUtils]: 14: Hoare triple {16934#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16935#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:22:06,521 INFO L290 TraceCheckUtils]: 15: Hoare triple {16935#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16936#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:22:06,521 INFO L290 TraceCheckUtils]: 16: Hoare triple {16936#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16937#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:22:06,522 INFO L290 TraceCheckUtils]: 17: Hoare triple {16937#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16938#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:22:06,522 INFO L290 TraceCheckUtils]: 18: Hoare triple {16938#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16939#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:22:06,523 INFO L290 TraceCheckUtils]: 19: Hoare triple {16939#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16940#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:22:06,523 INFO L290 TraceCheckUtils]: 20: Hoare triple {16940#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16941#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:22:06,527 INFO L290 TraceCheckUtils]: 21: Hoare triple {16941#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16942#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:22:06,528 INFO L290 TraceCheckUtils]: 22: Hoare triple {16942#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16943#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:22:06,528 INFO L290 TraceCheckUtils]: 23: Hoare triple {16943#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16944#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:22:06,529 INFO L290 TraceCheckUtils]: 24: Hoare triple {16944#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16945#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:22:06,529 INFO L290 TraceCheckUtils]: 25: Hoare triple {16945#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16946#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:22:06,530 INFO L290 TraceCheckUtils]: 26: Hoare triple {16946#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16947#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:22:06,530 INFO L290 TraceCheckUtils]: 27: Hoare triple {16947#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16948#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 10:22:06,531 INFO L290 TraceCheckUtils]: 28: Hoare triple {16948#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16949#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 10:22:06,531 INFO L290 TraceCheckUtils]: 29: Hoare triple {16949#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16950#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 10:22:06,532 INFO L290 TraceCheckUtils]: 30: Hoare triple {16950#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16951#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 10:22:06,532 INFO L290 TraceCheckUtils]: 31: Hoare triple {16951#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16952#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 10:22:06,533 INFO L290 TraceCheckUtils]: 32: Hoare triple {16952#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16953#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 10:22:06,533 INFO L290 TraceCheckUtils]: 33: Hoare triple {16953#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16954#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 10:22:06,534 INFO L290 TraceCheckUtils]: 34: Hoare triple {16954#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16955#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 10:22:06,534 INFO L290 TraceCheckUtils]: 35: Hoare triple {16955#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16956#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 10:22:06,535 INFO L290 TraceCheckUtils]: 36: Hoare triple {16956#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16957#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 10:22:06,535 INFO L290 TraceCheckUtils]: 37: Hoare triple {16957#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {16958#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 10:22:06,536 INFO L290 TraceCheckUtils]: 38: Hoare triple {16958#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17078#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 10:22:06,536 INFO L290 TraceCheckUtils]: 39: Hoare triple {17078#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !(~z~0 % 4294967296 < 268435455); {16924#false} is VALID [2022-04-28 10:22:06,536 INFO L272 TraceCheckUtils]: 40: Hoare triple {16924#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {16924#false} is VALID [2022-04-28 10:22:06,536 INFO L290 TraceCheckUtils]: 41: Hoare triple {16924#false} ~cond := #in~cond; {16924#false} is VALID [2022-04-28 10:22:06,536 INFO L290 TraceCheckUtils]: 42: Hoare triple {16924#false} assume 0 == ~cond; {16924#false} is VALID [2022-04-28 10:22:06,536 INFO L290 TraceCheckUtils]: 43: Hoare triple {16924#false} assume !false; {16924#false} is VALID [2022-04-28 10:22:06,537 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:22:06,537 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 10:22:08,135 INFO L290 TraceCheckUtils]: 43: Hoare triple {16924#false} assume !false; {16924#false} is VALID [2022-04-28 10:22:08,135 INFO L290 TraceCheckUtils]: 42: Hoare triple {16924#false} assume 0 == ~cond; {16924#false} is VALID [2022-04-28 10:22:08,135 INFO L290 TraceCheckUtils]: 41: Hoare triple {16924#false} ~cond := #in~cond; {16924#false} is VALID [2022-04-28 10:22:08,135 INFO L272 TraceCheckUtils]: 40: Hoare triple {16924#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {16924#false} is VALID [2022-04-28 10:22:08,135 INFO L290 TraceCheckUtils]: 39: Hoare triple {17106#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {16924#false} is VALID [2022-04-28 10:22:08,136 INFO L290 TraceCheckUtils]: 38: Hoare triple {17110#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17106#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 10:22:08,137 INFO L290 TraceCheckUtils]: 37: Hoare triple {17114#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17110#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 10:22:08,137 INFO L290 TraceCheckUtils]: 36: Hoare triple {17118#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17114#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 10:22:08,138 INFO L290 TraceCheckUtils]: 35: Hoare triple {17122#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17118#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 10:22:08,139 INFO L290 TraceCheckUtils]: 34: Hoare triple {17126#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17122#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 10:22:08,139 INFO L290 TraceCheckUtils]: 33: Hoare triple {17130#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17126#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:22:08,140 INFO L290 TraceCheckUtils]: 32: Hoare triple {17134#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17130#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} is VALID [2022-04-28 10:22:08,141 INFO L290 TraceCheckUtils]: 31: Hoare triple {17138#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17134#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:22:08,141 INFO L290 TraceCheckUtils]: 30: Hoare triple {17142#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17138#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} is VALID [2022-04-28 10:22:08,142 INFO L290 TraceCheckUtils]: 29: Hoare triple {17146#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17142#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} is VALID [2022-04-28 10:22:08,142 INFO L290 TraceCheckUtils]: 28: Hoare triple {17150#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17146#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} is VALID [2022-04-28 10:22:08,143 INFO L290 TraceCheckUtils]: 27: Hoare triple {17154#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17150#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} is VALID [2022-04-28 10:22:08,144 INFO L290 TraceCheckUtils]: 26: Hoare triple {17158#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17154#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} is VALID [2022-04-28 10:22:08,144 INFO L290 TraceCheckUtils]: 25: Hoare triple {17162#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17158#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} is VALID [2022-04-28 10:22:08,145 INFO L290 TraceCheckUtils]: 24: Hoare triple {17166#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17162#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} is VALID [2022-04-28 10:22:08,146 INFO L290 TraceCheckUtils]: 23: Hoare triple {17170#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17166#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} is VALID [2022-04-28 10:22:08,146 INFO L290 TraceCheckUtils]: 22: Hoare triple {17174#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17170#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} is VALID [2022-04-28 10:22:08,147 INFO L290 TraceCheckUtils]: 21: Hoare triple {17178#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17174#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} is VALID [2022-04-28 10:22:08,147 INFO L290 TraceCheckUtils]: 20: Hoare triple {17182#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17178#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} is VALID [2022-04-28 10:22:08,148 INFO L290 TraceCheckUtils]: 19: Hoare triple {17186#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17182#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:22:08,148 INFO L290 TraceCheckUtils]: 18: Hoare triple {17190#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17186#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} is VALID [2022-04-28 10:22:08,149 INFO L290 TraceCheckUtils]: 17: Hoare triple {17194#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17190#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} is VALID [2022-04-28 10:22:08,149 INFO L290 TraceCheckUtils]: 16: Hoare triple {17198#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17194#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} is VALID [2022-04-28 10:22:08,150 INFO L290 TraceCheckUtils]: 15: Hoare triple {17202#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17198#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:22:08,151 INFO L290 TraceCheckUtils]: 14: Hoare triple {17206#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17202#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} is VALID [2022-04-28 10:22:08,151 INFO L290 TraceCheckUtils]: 13: Hoare triple {17210#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17206#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} is VALID [2022-04-28 10:22:08,152 INFO L290 TraceCheckUtils]: 12: Hoare triple {17214#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17210#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} is VALID [2022-04-28 10:22:08,152 INFO L290 TraceCheckUtils]: 11: Hoare triple {17218#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17214#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} is VALID [2022-04-28 10:22:08,153 INFO L290 TraceCheckUtils]: 10: Hoare triple {17222#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17218#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} is VALID [2022-04-28 10:22:08,153 INFO L290 TraceCheckUtils]: 9: Hoare triple {17226#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17222#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:22:08,154 INFO L290 TraceCheckUtils]: 8: Hoare triple {17230#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17226#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:22:08,154 INFO L290 TraceCheckUtils]: 7: Hoare triple {16923#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {17230#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} is VALID [2022-04-28 10:22:08,154 INFO L290 TraceCheckUtils]: 6: Hoare triple {16923#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {16923#true} is VALID [2022-04-28 10:22:08,155 INFO L290 TraceCheckUtils]: 5: Hoare triple {16923#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {16923#true} is VALID [2022-04-28 10:22:08,155 INFO L272 TraceCheckUtils]: 4: Hoare triple {16923#true} call #t~ret7 := main(); {16923#true} is VALID [2022-04-28 10:22:08,155 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {16923#true} {16923#true} #63#return; {16923#true} is VALID [2022-04-28 10:22:08,155 INFO L290 TraceCheckUtils]: 2: Hoare triple {16923#true} assume true; {16923#true} is VALID [2022-04-28 10:22:08,155 INFO L290 TraceCheckUtils]: 1: Hoare triple {16923#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {16923#true} is VALID [2022-04-28 10:22:08,155 INFO L272 TraceCheckUtils]: 0: Hoare triple {16923#true} call ULTIMATE.init(); {16923#true} is VALID [2022-04-28 10:22:08,155 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:22:08,155 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1417126627] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 10:22:08,156 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 10:22:08,156 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 34, 34] total 68 [2022-04-28 10:22:08,156 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 10:22:08,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1037921333] [2022-04-28 10:22:08,156 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1037921333] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 10:22:08,156 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 10:22:08,156 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2022-04-28 10:22:08,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371341603] [2022-04-28 10:22:08,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 10:22:08,156 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 1.1428571428571428) internal successors, (40), 34 states have internal predecessors, (40), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 44 [2022-04-28 10:22:08,157 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 10:22:08,157 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 35 states, 35 states have (on average 1.1428571428571428) internal successors, (40), 34 states have internal predecessors, (40), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:22:08,182 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 44 edges. 44 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:22:08,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2022-04-28 10:22:08,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 10:22:08,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2022-04-28 10:22:08,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1221, Invalid=3335, Unknown=0, NotChecked=0, Total=4556 [2022-04-28 10:22:08,183 INFO L87 Difference]: Start difference. First operand 53 states and 57 transitions. Second operand has 35 states, 35 states have (on average 1.1428571428571428) internal successors, (40), 34 states have internal predecessors, (40), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:22:10,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:22:10,487 INFO L93 Difference]: Finished difference Result 101 states and 110 transitions. [2022-04-28 10:22:10,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-04-28 10:22:10,487 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 1.1428571428571428) internal successors, (40), 34 states have internal predecessors, (40), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 44 [2022-04-28 10:22:10,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 10:22:10,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 35 states have (on average 1.1428571428571428) internal successors, (40), 34 states have internal predecessors, (40), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:22:10,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 77 transitions. [2022-04-28 10:22:10,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 35 states have (on average 1.1428571428571428) internal successors, (40), 34 states have internal predecessors, (40), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:22:10,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 77 transitions. [2022-04-28 10:22:10,489 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 35 states and 77 transitions. [2022-04-28 10:22:10,536 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 77 edges. 77 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:22:10,536 INFO L225 Difference]: With dead ends: 101 [2022-04-28 10:22:10,536 INFO L226 Difference]: Without dead ends: 55 [2022-04-28 10:22:10,537 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 58 SyntacticMatches, 1 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 564 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=2435, Invalid=7465, Unknown=0, NotChecked=0, Total=9900 [2022-04-28 10:22:10,537 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 17 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 1223 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 1292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 1223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-04-28 10:22:10,538 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 78 Invalid, 1292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 1223 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-04-28 10:22:10,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2022-04-28 10:22:10,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 54. [2022-04-28 10:22:10,578 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 10:22:10,578 INFO L82 GeneralOperation]: Start isEquivalent. First operand 55 states. Second operand has 54 states, 46 states have (on average 1.0869565217391304) internal successors, (50), 47 states have internal predecessors, (50), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:22:10,578 INFO L74 IsIncluded]: Start isIncluded. First operand 55 states. Second operand has 54 states, 46 states have (on average 1.0869565217391304) internal successors, (50), 47 states have internal predecessors, (50), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:22:10,578 INFO L87 Difference]: Start difference. First operand 55 states. Second operand has 54 states, 46 states have (on average 1.0869565217391304) internal successors, (50), 47 states have internal predecessors, (50), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:22:10,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:22:10,579 INFO L93 Difference]: Finished difference Result 55 states and 59 transitions. [2022-04-28 10:22:10,579 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 59 transitions. [2022-04-28 10:22:10,579 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:22:10,579 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:22:10,579 INFO L74 IsIncluded]: Start isIncluded. First operand has 54 states, 46 states have (on average 1.0869565217391304) internal successors, (50), 47 states have internal predecessors, (50), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 55 states. [2022-04-28 10:22:10,579 INFO L87 Difference]: Start difference. First operand has 54 states, 46 states have (on average 1.0869565217391304) internal successors, (50), 47 states have internal predecessors, (50), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 55 states. [2022-04-28 10:22:10,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:22:10,580 INFO L93 Difference]: Finished difference Result 55 states and 59 transitions. [2022-04-28 10:22:10,580 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 59 transitions. [2022-04-28 10:22:10,580 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:22:10,580 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:22:10,580 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 10:22:10,580 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 10:22:10,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 46 states have (on average 1.0869565217391304) internal successors, (50), 47 states have internal predecessors, (50), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:22:10,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 58 transitions. [2022-04-28 10:22:10,581 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 58 transitions. Word has length 44 [2022-04-28 10:22:10,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 10:22:10,581 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 58 transitions. [2022-04-28 10:22:10,581 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 1.1428571428571428) internal successors, (40), 34 states have internal predecessors, (40), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:22:10,581 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 54 states and 58 transitions. [2022-04-28 10:22:10,629 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 58 edges. 58 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:22:10,629 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 58 transitions. [2022-04-28 10:22:10,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-04-28 10:22:10,630 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 10:22:10,630 INFO L195 NwaCegarLoop]: trace histogram [32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 10:22:10,645 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2022-04-28 10:22:10,830 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:22:10,830 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 10:22:10,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 10:22:10,830 INFO L85 PathProgramCache]: Analyzing trace with hash -2123603134, now seen corresponding path program 63 times [2022-04-28 10:22:10,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 10:22:10,830 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [109036483] [2022-04-28 10:22:10,833 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-28 10:22:10,833 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-28 10:22:10,833 INFO L85 PathProgramCache]: Analyzing trace with hash -2123603134, now seen corresponding path program 64 times [2022-04-28 10:22:10,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 10:22:10,833 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992149136] [2022-04-28 10:22:10,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 10:22:10,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 10:22:10,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:22:11,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 10:22:11,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:22:11,481 INFO L290 TraceCheckUtils]: 0: Hoare triple {17780#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {17742#true} is VALID [2022-04-28 10:22:11,481 INFO L290 TraceCheckUtils]: 1: Hoare triple {17742#true} assume true; {17742#true} is VALID [2022-04-28 10:22:11,481 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {17742#true} {17742#true} #63#return; {17742#true} is VALID [2022-04-28 10:22:11,482 INFO L272 TraceCheckUtils]: 0: Hoare triple {17742#true} call ULTIMATE.init(); {17780#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 10:22:11,482 INFO L290 TraceCheckUtils]: 1: Hoare triple {17780#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {17742#true} is VALID [2022-04-28 10:22:11,482 INFO L290 TraceCheckUtils]: 2: Hoare triple {17742#true} assume true; {17742#true} is VALID [2022-04-28 10:22:11,482 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {17742#true} {17742#true} #63#return; {17742#true} is VALID [2022-04-28 10:22:11,482 INFO L272 TraceCheckUtils]: 4: Hoare triple {17742#true} call #t~ret7 := main(); {17742#true} is VALID [2022-04-28 10:22:11,482 INFO L290 TraceCheckUtils]: 5: Hoare triple {17742#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {17742#true} is VALID [2022-04-28 10:22:11,482 INFO L290 TraceCheckUtils]: 6: Hoare triple {17742#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {17742#true} is VALID [2022-04-28 10:22:11,482 INFO L290 TraceCheckUtils]: 7: Hoare triple {17742#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {17747#(= main_~z~0 0)} is VALID [2022-04-28 10:22:11,483 INFO L290 TraceCheckUtils]: 8: Hoare triple {17747#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17748#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:22:11,483 INFO L290 TraceCheckUtils]: 9: Hoare triple {17748#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17749#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:22:11,484 INFO L290 TraceCheckUtils]: 10: Hoare triple {17749#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17750#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:22:11,484 INFO L290 TraceCheckUtils]: 11: Hoare triple {17750#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17751#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:22:11,485 INFO L290 TraceCheckUtils]: 12: Hoare triple {17751#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17752#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:22:11,485 INFO L290 TraceCheckUtils]: 13: Hoare triple {17752#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17753#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:22:11,486 INFO L290 TraceCheckUtils]: 14: Hoare triple {17753#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17754#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:22:11,486 INFO L290 TraceCheckUtils]: 15: Hoare triple {17754#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17755#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:22:11,486 INFO L290 TraceCheckUtils]: 16: Hoare triple {17755#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17756#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:22:11,487 INFO L290 TraceCheckUtils]: 17: Hoare triple {17756#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17757#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:22:11,487 INFO L290 TraceCheckUtils]: 18: Hoare triple {17757#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17758#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:22:11,488 INFO L290 TraceCheckUtils]: 19: Hoare triple {17758#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17759#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:22:11,488 INFO L290 TraceCheckUtils]: 20: Hoare triple {17759#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17760#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:22:11,489 INFO L290 TraceCheckUtils]: 21: Hoare triple {17760#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17761#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:22:11,489 INFO L290 TraceCheckUtils]: 22: Hoare triple {17761#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17762#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:22:11,490 INFO L290 TraceCheckUtils]: 23: Hoare triple {17762#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17763#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:22:11,490 INFO L290 TraceCheckUtils]: 24: Hoare triple {17763#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17764#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:22:11,491 INFO L290 TraceCheckUtils]: 25: Hoare triple {17764#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17765#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:22:11,491 INFO L290 TraceCheckUtils]: 26: Hoare triple {17765#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17766#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:22:11,492 INFO L290 TraceCheckUtils]: 27: Hoare triple {17766#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17767#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 10:22:11,492 INFO L290 TraceCheckUtils]: 28: Hoare triple {17767#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17768#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 10:22:11,492 INFO L290 TraceCheckUtils]: 29: Hoare triple {17768#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17769#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 10:22:11,493 INFO L290 TraceCheckUtils]: 30: Hoare triple {17769#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17770#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 10:22:11,493 INFO L290 TraceCheckUtils]: 31: Hoare triple {17770#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17771#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 10:22:11,494 INFO L290 TraceCheckUtils]: 32: Hoare triple {17771#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17772#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 10:22:11,494 INFO L290 TraceCheckUtils]: 33: Hoare triple {17772#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17773#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 10:22:11,495 INFO L290 TraceCheckUtils]: 34: Hoare triple {17773#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17774#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 10:22:11,495 INFO L290 TraceCheckUtils]: 35: Hoare triple {17774#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17775#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 10:22:11,496 INFO L290 TraceCheckUtils]: 36: Hoare triple {17775#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17776#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 10:22:11,496 INFO L290 TraceCheckUtils]: 37: Hoare triple {17776#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17777#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 10:22:11,497 INFO L290 TraceCheckUtils]: 38: Hoare triple {17777#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17778#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 10:22:11,497 INFO L290 TraceCheckUtils]: 39: Hoare triple {17778#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17779#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 32))} is VALID [2022-04-28 10:22:11,498 INFO L290 TraceCheckUtils]: 40: Hoare triple {17779#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 32))} assume !(~z~0 % 4294967296 < 268435455); {17743#false} is VALID [2022-04-28 10:22:11,498 INFO L272 TraceCheckUtils]: 41: Hoare triple {17743#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {17743#false} is VALID [2022-04-28 10:22:11,498 INFO L290 TraceCheckUtils]: 42: Hoare triple {17743#false} ~cond := #in~cond; {17743#false} is VALID [2022-04-28 10:22:11,498 INFO L290 TraceCheckUtils]: 43: Hoare triple {17743#false} assume 0 == ~cond; {17743#false} is VALID [2022-04-28 10:22:11,498 INFO L290 TraceCheckUtils]: 44: Hoare triple {17743#false} assume !false; {17743#false} is VALID [2022-04-28 10:22:11,498 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:22:11,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 10:22:11,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992149136] [2022-04-28 10:22:11,501 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992149136] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 10:22:11,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1835442817] [2022-04-28 10:22:11,501 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-28 10:22:11,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:22:11,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 10:22:11,502 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 10:22:11,502 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2022-04-28 10:22:11,626 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-28 10:22:11,626 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 10:22:11,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 69 conjunts are in the unsatisfiable core [2022-04-28 10:22:11,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:22:11,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 10:22:12,074 INFO L272 TraceCheckUtils]: 0: Hoare triple {17742#true} call ULTIMATE.init(); {17742#true} is VALID [2022-04-28 10:22:12,074 INFO L290 TraceCheckUtils]: 1: Hoare triple {17742#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {17742#true} is VALID [2022-04-28 10:22:12,074 INFO L290 TraceCheckUtils]: 2: Hoare triple {17742#true} assume true; {17742#true} is VALID [2022-04-28 10:22:12,074 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {17742#true} {17742#true} #63#return; {17742#true} is VALID [2022-04-28 10:22:12,074 INFO L272 TraceCheckUtils]: 4: Hoare triple {17742#true} call #t~ret7 := main(); {17742#true} is VALID [2022-04-28 10:22:12,074 INFO L290 TraceCheckUtils]: 5: Hoare triple {17742#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {17742#true} is VALID [2022-04-28 10:22:12,083 INFO L290 TraceCheckUtils]: 6: Hoare triple {17742#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {17742#true} is VALID [2022-04-28 10:22:12,083 INFO L290 TraceCheckUtils]: 7: Hoare triple {17742#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {17747#(= main_~z~0 0)} is VALID [2022-04-28 10:22:12,084 INFO L290 TraceCheckUtils]: 8: Hoare triple {17747#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17748#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:22:12,084 INFO L290 TraceCheckUtils]: 9: Hoare triple {17748#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17749#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:22:12,085 INFO L290 TraceCheckUtils]: 10: Hoare triple {17749#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17750#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:22:12,085 INFO L290 TraceCheckUtils]: 11: Hoare triple {17750#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17751#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:22:12,086 INFO L290 TraceCheckUtils]: 12: Hoare triple {17751#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17752#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:22:12,086 INFO L290 TraceCheckUtils]: 13: Hoare triple {17752#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17753#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:22:12,086 INFO L290 TraceCheckUtils]: 14: Hoare triple {17753#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17754#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:22:12,087 INFO L290 TraceCheckUtils]: 15: Hoare triple {17754#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17755#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:22:12,087 INFO L290 TraceCheckUtils]: 16: Hoare triple {17755#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17756#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:22:12,088 INFO L290 TraceCheckUtils]: 17: Hoare triple {17756#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17757#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:22:12,088 INFO L290 TraceCheckUtils]: 18: Hoare triple {17757#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17758#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:22:12,089 INFO L290 TraceCheckUtils]: 19: Hoare triple {17758#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17759#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:22:12,089 INFO L290 TraceCheckUtils]: 20: Hoare triple {17759#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17760#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:22:12,090 INFO L290 TraceCheckUtils]: 21: Hoare triple {17760#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17761#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:22:12,090 INFO L290 TraceCheckUtils]: 22: Hoare triple {17761#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17762#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:22:12,091 INFO L290 TraceCheckUtils]: 23: Hoare triple {17762#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17763#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:22:12,092 INFO L290 TraceCheckUtils]: 24: Hoare triple {17763#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17764#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:22:12,092 INFO L290 TraceCheckUtils]: 25: Hoare triple {17764#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17765#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:22:12,093 INFO L290 TraceCheckUtils]: 26: Hoare triple {17765#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17766#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:22:12,093 INFO L290 TraceCheckUtils]: 27: Hoare triple {17766#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17767#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 10:22:12,094 INFO L290 TraceCheckUtils]: 28: Hoare triple {17767#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17768#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 10:22:12,094 INFO L290 TraceCheckUtils]: 29: Hoare triple {17768#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17769#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 10:22:12,095 INFO L290 TraceCheckUtils]: 30: Hoare triple {17769#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17770#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 10:22:12,095 INFO L290 TraceCheckUtils]: 31: Hoare triple {17770#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17771#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 10:22:12,096 INFO L290 TraceCheckUtils]: 32: Hoare triple {17771#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17772#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 10:22:12,096 INFO L290 TraceCheckUtils]: 33: Hoare triple {17772#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17773#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 10:22:12,097 INFO L290 TraceCheckUtils]: 34: Hoare triple {17773#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17774#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 10:22:12,097 INFO L290 TraceCheckUtils]: 35: Hoare triple {17774#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17775#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 10:22:12,098 INFO L290 TraceCheckUtils]: 36: Hoare triple {17775#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17776#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 10:22:12,098 INFO L290 TraceCheckUtils]: 37: Hoare triple {17776#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17777#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 10:22:12,099 INFO L290 TraceCheckUtils]: 38: Hoare triple {17777#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17778#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 10:22:12,099 INFO L290 TraceCheckUtils]: 39: Hoare triple {17778#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17901#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 10:22:12,100 INFO L290 TraceCheckUtils]: 40: Hoare triple {17901#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !(~z~0 % 4294967296 < 268435455); {17901#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 10:22:12,100 INFO L272 TraceCheckUtils]: 41: Hoare triple {17901#(and (<= 32 main_~z~0) (<= main_~z~0 32))} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {17908#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-28 10:22:12,101 INFO L290 TraceCheckUtils]: 42: Hoare triple {17908#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {17912#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-28 10:22:12,101 INFO L290 TraceCheckUtils]: 43: Hoare triple {17912#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {17743#false} is VALID [2022-04-28 10:22:12,101 INFO L290 TraceCheckUtils]: 44: Hoare triple {17743#false} assume !false; {17743#false} is VALID [2022-04-28 10:22:12,101 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:22:12,101 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 10:22:12,382 INFO L290 TraceCheckUtils]: 44: Hoare triple {17743#false} assume !false; {17743#false} is VALID [2022-04-28 10:22:12,382 INFO L290 TraceCheckUtils]: 43: Hoare triple {17912#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {17743#false} is VALID [2022-04-28 10:22:12,382 INFO L290 TraceCheckUtils]: 42: Hoare triple {17908#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {17912#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-28 10:22:12,383 INFO L272 TraceCheckUtils]: 41: Hoare triple {17928#(= (mod main_~z~0 4) 0)} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {17908#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-28 10:22:12,383 INFO L290 TraceCheckUtils]: 40: Hoare triple {17928#(= (mod main_~z~0 4) 0)} assume !(~z~0 % 4294967296 < 268435455); {17928#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 10:22:12,384 INFO L290 TraceCheckUtils]: 39: Hoare triple {17935#(= (mod (+ main_~z~0 1) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17928#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 10:22:12,384 INFO L290 TraceCheckUtils]: 38: Hoare triple {17939#(= (mod (+ main_~z~0 2) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17935#(= (mod (+ main_~z~0 1) 4) 0)} is VALID [2022-04-28 10:22:12,385 INFO L290 TraceCheckUtils]: 37: Hoare triple {17943#(= (mod (+ main_~z~0 3) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17939#(= (mod (+ main_~z~0 2) 4) 0)} is VALID [2022-04-28 10:22:12,385 INFO L290 TraceCheckUtils]: 36: Hoare triple {17928#(= (mod main_~z~0 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17943#(= (mod (+ main_~z~0 3) 4) 0)} is VALID [2022-04-28 10:22:12,386 INFO L290 TraceCheckUtils]: 35: Hoare triple {17935#(= (mod (+ main_~z~0 1) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17928#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 10:22:12,386 INFO L290 TraceCheckUtils]: 34: Hoare triple {17939#(= (mod (+ main_~z~0 2) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17935#(= (mod (+ main_~z~0 1) 4) 0)} is VALID [2022-04-28 10:22:12,387 INFO L290 TraceCheckUtils]: 33: Hoare triple {17943#(= (mod (+ main_~z~0 3) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17939#(= (mod (+ main_~z~0 2) 4) 0)} is VALID [2022-04-28 10:22:12,387 INFO L290 TraceCheckUtils]: 32: Hoare triple {17928#(= (mod main_~z~0 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17943#(= (mod (+ main_~z~0 3) 4) 0)} is VALID [2022-04-28 10:22:12,388 INFO L290 TraceCheckUtils]: 31: Hoare triple {17935#(= (mod (+ main_~z~0 1) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17928#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 10:22:12,388 INFO L290 TraceCheckUtils]: 30: Hoare triple {17939#(= (mod (+ main_~z~0 2) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17935#(= (mod (+ main_~z~0 1) 4) 0)} is VALID [2022-04-28 10:22:12,389 INFO L290 TraceCheckUtils]: 29: Hoare triple {17943#(= (mod (+ main_~z~0 3) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17939#(= (mod (+ main_~z~0 2) 4) 0)} is VALID [2022-04-28 10:22:12,390 INFO L290 TraceCheckUtils]: 28: Hoare triple {17928#(= (mod main_~z~0 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17943#(= (mod (+ main_~z~0 3) 4) 0)} is VALID [2022-04-28 10:22:12,390 INFO L290 TraceCheckUtils]: 27: Hoare triple {17935#(= (mod (+ main_~z~0 1) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17928#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 10:22:12,391 INFO L290 TraceCheckUtils]: 26: Hoare triple {17939#(= (mod (+ main_~z~0 2) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17935#(= (mod (+ main_~z~0 1) 4) 0)} is VALID [2022-04-28 10:22:12,391 INFO L290 TraceCheckUtils]: 25: Hoare triple {17943#(= (mod (+ main_~z~0 3) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17939#(= (mod (+ main_~z~0 2) 4) 0)} is VALID [2022-04-28 10:22:12,392 INFO L290 TraceCheckUtils]: 24: Hoare triple {17928#(= (mod main_~z~0 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17943#(= (mod (+ main_~z~0 3) 4) 0)} is VALID [2022-04-28 10:22:12,392 INFO L290 TraceCheckUtils]: 23: Hoare triple {17935#(= (mod (+ main_~z~0 1) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17928#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 10:22:12,393 INFO L290 TraceCheckUtils]: 22: Hoare triple {17939#(= (mod (+ main_~z~0 2) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17935#(= (mod (+ main_~z~0 1) 4) 0)} is VALID [2022-04-28 10:22:12,393 INFO L290 TraceCheckUtils]: 21: Hoare triple {17943#(= (mod (+ main_~z~0 3) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17939#(= (mod (+ main_~z~0 2) 4) 0)} is VALID [2022-04-28 10:22:12,394 INFO L290 TraceCheckUtils]: 20: Hoare triple {17928#(= (mod main_~z~0 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17943#(= (mod (+ main_~z~0 3) 4) 0)} is VALID [2022-04-28 10:22:12,400 INFO L290 TraceCheckUtils]: 19: Hoare triple {17935#(= (mod (+ main_~z~0 1) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17928#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 10:22:12,401 INFO L290 TraceCheckUtils]: 18: Hoare triple {17939#(= (mod (+ main_~z~0 2) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17935#(= (mod (+ main_~z~0 1) 4) 0)} is VALID [2022-04-28 10:22:12,401 INFO L290 TraceCheckUtils]: 17: Hoare triple {17943#(= (mod (+ main_~z~0 3) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17939#(= (mod (+ main_~z~0 2) 4) 0)} is VALID [2022-04-28 10:22:12,402 INFO L290 TraceCheckUtils]: 16: Hoare triple {17928#(= (mod main_~z~0 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17943#(= (mod (+ main_~z~0 3) 4) 0)} is VALID [2022-04-28 10:22:12,403 INFO L290 TraceCheckUtils]: 15: Hoare triple {17935#(= (mod (+ main_~z~0 1) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17928#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 10:22:12,403 INFO L290 TraceCheckUtils]: 14: Hoare triple {17939#(= (mod (+ main_~z~0 2) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17935#(= (mod (+ main_~z~0 1) 4) 0)} is VALID [2022-04-28 10:22:12,404 INFO L290 TraceCheckUtils]: 13: Hoare triple {17943#(= (mod (+ main_~z~0 3) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17939#(= (mod (+ main_~z~0 2) 4) 0)} is VALID [2022-04-28 10:22:12,405 INFO L290 TraceCheckUtils]: 12: Hoare triple {17928#(= (mod main_~z~0 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17943#(= (mod (+ main_~z~0 3) 4) 0)} is VALID [2022-04-28 10:22:12,405 INFO L290 TraceCheckUtils]: 11: Hoare triple {17935#(= (mod (+ main_~z~0 1) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17928#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 10:22:12,406 INFO L290 TraceCheckUtils]: 10: Hoare triple {17939#(= (mod (+ main_~z~0 2) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17935#(= (mod (+ main_~z~0 1) 4) 0)} is VALID [2022-04-28 10:22:12,406 INFO L290 TraceCheckUtils]: 9: Hoare triple {17943#(= (mod (+ main_~z~0 3) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17939#(= (mod (+ main_~z~0 2) 4) 0)} is VALID [2022-04-28 10:22:12,407 INFO L290 TraceCheckUtils]: 8: Hoare triple {17928#(= (mod main_~z~0 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {17943#(= (mod (+ main_~z~0 3) 4) 0)} is VALID [2022-04-28 10:22:12,407 INFO L290 TraceCheckUtils]: 7: Hoare triple {17742#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {17928#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 10:22:12,407 INFO L290 TraceCheckUtils]: 6: Hoare triple {17742#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {17742#true} is VALID [2022-04-28 10:22:12,407 INFO L290 TraceCheckUtils]: 5: Hoare triple {17742#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {17742#true} is VALID [2022-04-28 10:22:12,407 INFO L272 TraceCheckUtils]: 4: Hoare triple {17742#true} call #t~ret7 := main(); {17742#true} is VALID [2022-04-28 10:22:12,407 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {17742#true} {17742#true} #63#return; {17742#true} is VALID [2022-04-28 10:22:12,407 INFO L290 TraceCheckUtils]: 2: Hoare triple {17742#true} assume true; {17742#true} is VALID [2022-04-28 10:22:12,408 INFO L290 TraceCheckUtils]: 1: Hoare triple {17742#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {17742#true} is VALID [2022-04-28 10:22:12,408 INFO L272 TraceCheckUtils]: 0: Hoare triple {17742#true} call ULTIMATE.init(); {17742#true} is VALID [2022-04-28 10:22:12,410 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 408 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-04-28 10:22:12,410 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1835442817] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 10:22:12,410 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 10:22:12,410 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 37, 8] total 43 [2022-04-28 10:22:12,410 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 10:22:12,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [109036483] [2022-04-28 10:22:12,410 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [109036483] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 10:22:12,411 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 10:22:12,411 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [36] imperfect sequences [] total 36 [2022-04-28 10:22:12,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419888882] [2022-04-28 10:22:12,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 10:22:12,411 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 1.1388888888888888) internal successors, (41), 35 states have internal predecessors, (41), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 45 [2022-04-28 10:22:12,411 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 10:22:12,411 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 36 states, 36 states have (on average 1.1388888888888888) internal successors, (41), 35 states have internal predecessors, (41), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:22:12,435 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 45 edges. 45 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:22:12,435 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2022-04-28 10:22:12,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 10:22:12,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2022-04-28 10:22:12,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=1657, Unknown=0, NotChecked=0, Total=1806 [2022-04-28 10:22:12,436 INFO L87 Difference]: Start difference. First operand 54 states and 58 transitions. Second operand has 36 states, 36 states have (on average 1.1388888888888888) internal successors, (41), 35 states have internal predecessors, (41), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:22:14,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:22:14,839 INFO L93 Difference]: Finished difference Result 103 states and 112 transitions. [2022-04-28 10:22:14,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-04-28 10:22:14,839 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 1.1388888888888888) internal successors, (41), 35 states have internal predecessors, (41), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 45 [2022-04-28 10:22:14,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 10:22:14,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 36 states have (on average 1.1388888888888888) internal successors, (41), 35 states have internal predecessors, (41), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:22:14,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 78 transitions. [2022-04-28 10:22:14,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 36 states have (on average 1.1388888888888888) internal successors, (41), 35 states have internal predecessors, (41), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:22:14,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 78 transitions. [2022-04-28 10:22:14,841 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 36 states and 78 transitions. [2022-04-28 10:22:14,893 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 78 edges. 78 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:22:14,894 INFO L225 Difference]: With dead ends: 103 [2022-04-28 10:22:14,894 INFO L226 Difference]: Without dead ends: 56 [2022-04-28 10:22:14,895 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 85 SyntacticMatches, 2 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 552 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=377, Invalid=5323, Unknown=0, NotChecked=0, Total=5700 [2022-04-28 10:22:14,895 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 17 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 1244 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 1315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 1244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-04-28 10:22:14,895 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 63 Invalid, 1315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 1244 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-04-28 10:22:14,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2022-04-28 10:22:14,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 55. [2022-04-28 10:22:14,940 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 10:22:14,940 INFO L82 GeneralOperation]: Start isEquivalent. First operand 56 states. Second operand has 55 states, 47 states have (on average 1.0851063829787233) internal successors, (51), 48 states have internal predecessors, (51), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:22:14,940 INFO L74 IsIncluded]: Start isIncluded. First operand 56 states. Second operand has 55 states, 47 states have (on average 1.0851063829787233) internal successors, (51), 48 states have internal predecessors, (51), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:22:14,940 INFO L87 Difference]: Start difference. First operand 56 states. Second operand has 55 states, 47 states have (on average 1.0851063829787233) internal successors, (51), 48 states have internal predecessors, (51), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:22:14,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:22:14,941 INFO L93 Difference]: Finished difference Result 56 states and 60 transitions. [2022-04-28 10:22:14,941 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 60 transitions. [2022-04-28 10:22:14,941 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:22:14,941 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:22:14,941 INFO L74 IsIncluded]: Start isIncluded. First operand has 55 states, 47 states have (on average 1.0851063829787233) internal successors, (51), 48 states have internal predecessors, (51), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 56 states. [2022-04-28 10:22:14,941 INFO L87 Difference]: Start difference. First operand has 55 states, 47 states have (on average 1.0851063829787233) internal successors, (51), 48 states have internal predecessors, (51), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 56 states. [2022-04-28 10:22:14,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:22:14,942 INFO L93 Difference]: Finished difference Result 56 states and 60 transitions. [2022-04-28 10:22:14,942 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 60 transitions. [2022-04-28 10:22:14,942 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:22:14,942 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:22:14,942 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 10:22:14,942 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 10:22:14,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 47 states have (on average 1.0851063829787233) internal successors, (51), 48 states have internal predecessors, (51), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:22:14,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 59 transitions. [2022-04-28 10:22:14,943 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 59 transitions. Word has length 45 [2022-04-28 10:22:14,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 10:22:14,943 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 59 transitions. [2022-04-28 10:22:14,943 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 1.1388888888888888) internal successors, (41), 35 states have internal predecessors, (41), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:22:14,943 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 55 states and 59 transitions. [2022-04-28 10:22:14,999 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 59 edges. 59 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:22:14,999 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 59 transitions. [2022-04-28 10:22:14,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-04-28 10:22:14,999 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 10:22:14,999 INFO L195 NwaCegarLoop]: trace histogram [33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 10:22:15,022 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Ended with exit code 0 [2022-04-28 10:22:15,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:22:15,200 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 10:22:15,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 10:22:15,200 INFO L85 PathProgramCache]: Analyzing trace with hash -1380885150, now seen corresponding path program 65 times [2022-04-28 10:22:15,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 10:22:15,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [2137128299] [2022-04-28 10:22:15,202 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-28 10:22:15,202 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-28 10:22:15,202 INFO L85 PathProgramCache]: Analyzing trace with hash -1380885150, now seen corresponding path program 66 times [2022-04-28 10:22:15,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 10:22:15,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552154756] [2022-04-28 10:22:15,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 10:22:15,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 10:22:15,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:22:15,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 10:22:15,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:22:15,952 INFO L290 TraceCheckUtils]: 0: Hoare triple {18591#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {18552#true} is VALID [2022-04-28 10:22:15,952 INFO L290 TraceCheckUtils]: 1: Hoare triple {18552#true} assume true; {18552#true} is VALID [2022-04-28 10:22:15,952 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {18552#true} {18552#true} #63#return; {18552#true} is VALID [2022-04-28 10:22:15,953 INFO L272 TraceCheckUtils]: 0: Hoare triple {18552#true} call ULTIMATE.init(); {18591#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 10:22:15,953 INFO L290 TraceCheckUtils]: 1: Hoare triple {18591#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {18552#true} is VALID [2022-04-28 10:22:15,953 INFO L290 TraceCheckUtils]: 2: Hoare triple {18552#true} assume true; {18552#true} is VALID [2022-04-28 10:22:15,953 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {18552#true} {18552#true} #63#return; {18552#true} is VALID [2022-04-28 10:22:15,953 INFO L272 TraceCheckUtils]: 4: Hoare triple {18552#true} call #t~ret7 := main(); {18552#true} is VALID [2022-04-28 10:22:15,953 INFO L290 TraceCheckUtils]: 5: Hoare triple {18552#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {18552#true} is VALID [2022-04-28 10:22:15,953 INFO L290 TraceCheckUtils]: 6: Hoare triple {18552#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {18552#true} is VALID [2022-04-28 10:22:15,954 INFO L290 TraceCheckUtils]: 7: Hoare triple {18552#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {18557#(= main_~z~0 0)} is VALID [2022-04-28 10:22:15,954 INFO L290 TraceCheckUtils]: 8: Hoare triple {18557#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18558#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:22:15,955 INFO L290 TraceCheckUtils]: 9: Hoare triple {18558#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18559#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:22:15,956 INFO L290 TraceCheckUtils]: 10: Hoare triple {18559#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18560#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:22:15,956 INFO L290 TraceCheckUtils]: 11: Hoare triple {18560#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18561#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:22:15,957 INFO L290 TraceCheckUtils]: 12: Hoare triple {18561#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18562#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:22:15,957 INFO L290 TraceCheckUtils]: 13: Hoare triple {18562#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18563#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:22:15,958 INFO L290 TraceCheckUtils]: 14: Hoare triple {18563#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18564#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:22:15,958 INFO L290 TraceCheckUtils]: 15: Hoare triple {18564#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18565#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:22:15,959 INFO L290 TraceCheckUtils]: 16: Hoare triple {18565#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18566#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:22:15,959 INFO L290 TraceCheckUtils]: 17: Hoare triple {18566#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18567#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:22:15,960 INFO L290 TraceCheckUtils]: 18: Hoare triple {18567#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18568#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:22:15,960 INFO L290 TraceCheckUtils]: 19: Hoare triple {18568#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18569#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:22:15,961 INFO L290 TraceCheckUtils]: 20: Hoare triple {18569#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18570#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:22:15,961 INFO L290 TraceCheckUtils]: 21: Hoare triple {18570#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18571#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:22:15,962 INFO L290 TraceCheckUtils]: 22: Hoare triple {18571#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18572#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:22:15,962 INFO L290 TraceCheckUtils]: 23: Hoare triple {18572#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18573#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:22:15,963 INFO L290 TraceCheckUtils]: 24: Hoare triple {18573#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18574#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:22:15,963 INFO L290 TraceCheckUtils]: 25: Hoare triple {18574#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18575#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:22:15,964 INFO L290 TraceCheckUtils]: 26: Hoare triple {18575#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18576#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:22:15,965 INFO L290 TraceCheckUtils]: 27: Hoare triple {18576#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18577#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 10:22:15,965 INFO L290 TraceCheckUtils]: 28: Hoare triple {18577#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18578#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 10:22:15,966 INFO L290 TraceCheckUtils]: 29: Hoare triple {18578#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18579#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 10:22:15,966 INFO L290 TraceCheckUtils]: 30: Hoare triple {18579#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18580#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 10:22:15,967 INFO L290 TraceCheckUtils]: 31: Hoare triple {18580#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18581#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 10:22:15,967 INFO L290 TraceCheckUtils]: 32: Hoare triple {18581#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18582#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 10:22:15,968 INFO L290 TraceCheckUtils]: 33: Hoare triple {18582#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18583#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 10:22:15,968 INFO L290 TraceCheckUtils]: 34: Hoare triple {18583#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18584#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 10:22:15,969 INFO L290 TraceCheckUtils]: 35: Hoare triple {18584#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18585#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 10:22:15,969 INFO L290 TraceCheckUtils]: 36: Hoare triple {18585#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18586#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 10:22:15,970 INFO L290 TraceCheckUtils]: 37: Hoare triple {18586#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18587#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 10:22:15,970 INFO L290 TraceCheckUtils]: 38: Hoare triple {18587#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18588#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 10:22:15,971 INFO L290 TraceCheckUtils]: 39: Hoare triple {18588#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18589#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 10:22:15,972 INFO L290 TraceCheckUtils]: 40: Hoare triple {18589#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18590#(and (<= main_~z~0 33) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} is VALID [2022-04-28 10:22:15,972 INFO L290 TraceCheckUtils]: 41: Hoare triple {18590#(and (<= main_~z~0 33) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} assume !(~z~0 % 4294967296 < 268435455); {18553#false} is VALID [2022-04-28 10:22:15,972 INFO L272 TraceCheckUtils]: 42: Hoare triple {18553#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {18553#false} is VALID [2022-04-28 10:22:15,972 INFO L290 TraceCheckUtils]: 43: Hoare triple {18553#false} ~cond := #in~cond; {18553#false} is VALID [2022-04-28 10:22:15,972 INFO L290 TraceCheckUtils]: 44: Hoare triple {18553#false} assume 0 == ~cond; {18553#false} is VALID [2022-04-28 10:22:15,972 INFO L290 TraceCheckUtils]: 45: Hoare triple {18553#false} assume !false; {18553#false} is VALID [2022-04-28 10:22:15,973 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:22:15,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 10:22:15,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552154756] [2022-04-28 10:22:15,973 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552154756] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 10:22:15,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1993317543] [2022-04-28 10:22:15,973 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-04-28 10:22:15,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:22:15,973 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 10:22:15,974 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 10:22:15,975 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2022-04-28 10:22:18,447 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 18 check-sat command(s) [2022-04-28 10:22:18,447 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 10:22:18,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 69 conjunts are in the unsatisfiable core [2022-04-28 10:22:18,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:22:18,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 10:22:18,861 INFO L272 TraceCheckUtils]: 0: Hoare triple {18552#true} call ULTIMATE.init(); {18552#true} is VALID [2022-04-28 10:22:18,861 INFO L290 TraceCheckUtils]: 1: Hoare triple {18552#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {18552#true} is VALID [2022-04-28 10:22:18,861 INFO L290 TraceCheckUtils]: 2: Hoare triple {18552#true} assume true; {18552#true} is VALID [2022-04-28 10:22:18,861 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {18552#true} {18552#true} #63#return; {18552#true} is VALID [2022-04-28 10:22:18,861 INFO L272 TraceCheckUtils]: 4: Hoare triple {18552#true} call #t~ret7 := main(); {18552#true} is VALID [2022-04-28 10:22:18,861 INFO L290 TraceCheckUtils]: 5: Hoare triple {18552#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {18552#true} is VALID [2022-04-28 10:22:18,861 INFO L290 TraceCheckUtils]: 6: Hoare triple {18552#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {18552#true} is VALID [2022-04-28 10:22:18,862 INFO L290 TraceCheckUtils]: 7: Hoare triple {18552#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {18557#(= main_~z~0 0)} is VALID [2022-04-28 10:22:18,862 INFO L290 TraceCheckUtils]: 8: Hoare triple {18557#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18558#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:22:18,863 INFO L290 TraceCheckUtils]: 9: Hoare triple {18558#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18559#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:22:18,863 INFO L290 TraceCheckUtils]: 10: Hoare triple {18559#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18560#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:22:18,864 INFO L290 TraceCheckUtils]: 11: Hoare triple {18560#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18561#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:22:18,864 INFO L290 TraceCheckUtils]: 12: Hoare triple {18561#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18562#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:22:18,865 INFO L290 TraceCheckUtils]: 13: Hoare triple {18562#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18563#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:22:18,865 INFO L290 TraceCheckUtils]: 14: Hoare triple {18563#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18564#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:22:18,866 INFO L290 TraceCheckUtils]: 15: Hoare triple {18564#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18565#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:22:18,866 INFO L290 TraceCheckUtils]: 16: Hoare triple {18565#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18566#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:22:18,867 INFO L290 TraceCheckUtils]: 17: Hoare triple {18566#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18567#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:22:18,867 INFO L290 TraceCheckUtils]: 18: Hoare triple {18567#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18568#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:22:18,868 INFO L290 TraceCheckUtils]: 19: Hoare triple {18568#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18569#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:22:18,868 INFO L290 TraceCheckUtils]: 20: Hoare triple {18569#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18570#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:22:18,869 INFO L290 TraceCheckUtils]: 21: Hoare triple {18570#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18571#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:22:18,869 INFO L290 TraceCheckUtils]: 22: Hoare triple {18571#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18572#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:22:18,870 INFO L290 TraceCheckUtils]: 23: Hoare triple {18572#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18573#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:22:18,870 INFO L290 TraceCheckUtils]: 24: Hoare triple {18573#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18574#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:22:18,871 INFO L290 TraceCheckUtils]: 25: Hoare triple {18574#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18575#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:22:18,871 INFO L290 TraceCheckUtils]: 26: Hoare triple {18575#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18576#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:22:18,872 INFO L290 TraceCheckUtils]: 27: Hoare triple {18576#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18577#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 10:22:18,872 INFO L290 TraceCheckUtils]: 28: Hoare triple {18577#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18578#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 10:22:18,873 INFO L290 TraceCheckUtils]: 29: Hoare triple {18578#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18579#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 10:22:18,873 INFO L290 TraceCheckUtils]: 30: Hoare triple {18579#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18580#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 10:22:18,874 INFO L290 TraceCheckUtils]: 31: Hoare triple {18580#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18581#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 10:22:18,874 INFO L290 TraceCheckUtils]: 32: Hoare triple {18581#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18582#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 10:22:18,875 INFO L290 TraceCheckUtils]: 33: Hoare triple {18582#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18583#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 10:22:18,875 INFO L290 TraceCheckUtils]: 34: Hoare triple {18583#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18584#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 10:22:18,876 INFO L290 TraceCheckUtils]: 35: Hoare triple {18584#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18585#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 10:22:18,876 INFO L290 TraceCheckUtils]: 36: Hoare triple {18585#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18586#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 10:22:18,877 INFO L290 TraceCheckUtils]: 37: Hoare triple {18586#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18587#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 10:22:18,877 INFO L290 TraceCheckUtils]: 38: Hoare triple {18587#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18588#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 10:22:18,878 INFO L290 TraceCheckUtils]: 39: Hoare triple {18588#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18589#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 10:22:18,878 INFO L290 TraceCheckUtils]: 40: Hoare triple {18589#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18715#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 10:22:18,879 INFO L290 TraceCheckUtils]: 41: Hoare triple {18715#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !(~z~0 % 4294967296 < 268435455); {18553#false} is VALID [2022-04-28 10:22:18,879 INFO L272 TraceCheckUtils]: 42: Hoare triple {18553#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {18553#false} is VALID [2022-04-28 10:22:18,879 INFO L290 TraceCheckUtils]: 43: Hoare triple {18553#false} ~cond := #in~cond; {18553#false} is VALID [2022-04-28 10:22:18,879 INFO L290 TraceCheckUtils]: 44: Hoare triple {18553#false} assume 0 == ~cond; {18553#false} is VALID [2022-04-28 10:22:18,879 INFO L290 TraceCheckUtils]: 45: Hoare triple {18553#false} assume !false; {18553#false} is VALID [2022-04-28 10:22:18,879 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:22:18,879 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 10:22:20,647 INFO L290 TraceCheckUtils]: 45: Hoare triple {18553#false} assume !false; {18553#false} is VALID [2022-04-28 10:22:20,648 INFO L290 TraceCheckUtils]: 44: Hoare triple {18553#false} assume 0 == ~cond; {18553#false} is VALID [2022-04-28 10:22:20,648 INFO L290 TraceCheckUtils]: 43: Hoare triple {18553#false} ~cond := #in~cond; {18553#false} is VALID [2022-04-28 10:22:20,648 INFO L272 TraceCheckUtils]: 42: Hoare triple {18553#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {18553#false} is VALID [2022-04-28 10:22:20,648 INFO L290 TraceCheckUtils]: 41: Hoare triple {18743#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {18553#false} is VALID [2022-04-28 10:22:20,649 INFO L290 TraceCheckUtils]: 40: Hoare triple {18747#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18743#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 10:22:20,649 INFO L290 TraceCheckUtils]: 39: Hoare triple {18751#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18747#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 10:22:20,650 INFO L290 TraceCheckUtils]: 38: Hoare triple {18755#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18751#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 10:22:20,651 INFO L290 TraceCheckUtils]: 37: Hoare triple {18759#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18755#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 10:22:20,651 INFO L290 TraceCheckUtils]: 36: Hoare triple {18763#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18759#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 10:22:20,652 INFO L290 TraceCheckUtils]: 35: Hoare triple {18767#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18763#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:22:20,653 INFO L290 TraceCheckUtils]: 34: Hoare triple {18771#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18767#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} is VALID [2022-04-28 10:22:20,653 INFO L290 TraceCheckUtils]: 33: Hoare triple {18775#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18771#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:22:20,654 INFO L290 TraceCheckUtils]: 32: Hoare triple {18779#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18775#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} is VALID [2022-04-28 10:22:20,654 INFO L290 TraceCheckUtils]: 31: Hoare triple {18783#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18779#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} is VALID [2022-04-28 10:22:20,655 INFO L290 TraceCheckUtils]: 30: Hoare triple {18787#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18783#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} is VALID [2022-04-28 10:22:20,656 INFO L290 TraceCheckUtils]: 29: Hoare triple {18791#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18787#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} is VALID [2022-04-28 10:22:20,656 INFO L290 TraceCheckUtils]: 28: Hoare triple {18795#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18791#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} is VALID [2022-04-28 10:22:20,657 INFO L290 TraceCheckUtils]: 27: Hoare triple {18799#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18795#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} is VALID [2022-04-28 10:22:20,658 INFO L290 TraceCheckUtils]: 26: Hoare triple {18803#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18799#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} is VALID [2022-04-28 10:22:20,658 INFO L290 TraceCheckUtils]: 25: Hoare triple {18807#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18803#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} is VALID [2022-04-28 10:22:20,659 INFO L290 TraceCheckUtils]: 24: Hoare triple {18811#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18807#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} is VALID [2022-04-28 10:22:20,660 INFO L290 TraceCheckUtils]: 23: Hoare triple {18815#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18811#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} is VALID [2022-04-28 10:22:20,660 INFO L290 TraceCheckUtils]: 22: Hoare triple {18819#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18815#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} is VALID [2022-04-28 10:22:20,661 INFO L290 TraceCheckUtils]: 21: Hoare triple {18823#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18819#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:22:20,662 INFO L290 TraceCheckUtils]: 20: Hoare triple {18827#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18823#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} is VALID [2022-04-28 10:22:20,662 INFO L290 TraceCheckUtils]: 19: Hoare triple {18831#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18827#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} is VALID [2022-04-28 10:22:20,663 INFO L290 TraceCheckUtils]: 18: Hoare triple {18835#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18831#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} is VALID [2022-04-28 10:22:20,664 INFO L290 TraceCheckUtils]: 17: Hoare triple {18839#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18835#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:22:20,664 INFO L290 TraceCheckUtils]: 16: Hoare triple {18843#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18839#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} is VALID [2022-04-28 10:22:20,665 INFO L290 TraceCheckUtils]: 15: Hoare triple {18847#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18843#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} is VALID [2022-04-28 10:22:20,666 INFO L290 TraceCheckUtils]: 14: Hoare triple {18851#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18847#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} is VALID [2022-04-28 10:22:20,667 INFO L290 TraceCheckUtils]: 13: Hoare triple {18855#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18851#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} is VALID [2022-04-28 10:22:20,667 INFO L290 TraceCheckUtils]: 12: Hoare triple {18859#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18855#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} is VALID [2022-04-28 10:22:20,668 INFO L290 TraceCheckUtils]: 11: Hoare triple {18863#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18859#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:22:20,668 INFO L290 TraceCheckUtils]: 10: Hoare triple {18867#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18863#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:22:20,669 INFO L290 TraceCheckUtils]: 9: Hoare triple {18871#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18867#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} is VALID [2022-04-28 10:22:20,670 INFO L290 TraceCheckUtils]: 8: Hoare triple {18875#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {18871#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:22:20,670 INFO L290 TraceCheckUtils]: 7: Hoare triple {18552#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {18875#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} is VALID [2022-04-28 10:22:20,670 INFO L290 TraceCheckUtils]: 6: Hoare triple {18552#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {18552#true} is VALID [2022-04-28 10:22:20,670 INFO L290 TraceCheckUtils]: 5: Hoare triple {18552#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {18552#true} is VALID [2022-04-28 10:22:20,670 INFO L272 TraceCheckUtils]: 4: Hoare triple {18552#true} call #t~ret7 := main(); {18552#true} is VALID [2022-04-28 10:22:20,670 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {18552#true} {18552#true} #63#return; {18552#true} is VALID [2022-04-28 10:22:20,670 INFO L290 TraceCheckUtils]: 2: Hoare triple {18552#true} assume true; {18552#true} is VALID [2022-04-28 10:22:20,670 INFO L290 TraceCheckUtils]: 1: Hoare triple {18552#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {18552#true} is VALID [2022-04-28 10:22:20,671 INFO L272 TraceCheckUtils]: 0: Hoare triple {18552#true} call ULTIMATE.init(); {18552#true} is VALID [2022-04-28 10:22:20,671 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:22:20,671 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1993317543] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 10:22:20,671 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 10:22:20,671 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 36, 36] total 72 [2022-04-28 10:22:20,671 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 10:22:20,671 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [2137128299] [2022-04-28 10:22:20,671 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [2137128299] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 10:22:20,671 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 10:22:20,671 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [37] imperfect sequences [] total 37 [2022-04-28 10:22:20,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407405629] [2022-04-28 10:22:20,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 10:22:20,672 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 1.135135135135135) internal successors, (42), 36 states have internal predecessors, (42), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 46 [2022-04-28 10:22:20,672 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 10:22:20,672 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 37 states, 37 states have (on average 1.135135135135135) internal successors, (42), 36 states have internal predecessors, (42), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:22:20,698 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 46 edges. 46 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:22:20,698 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2022-04-28 10:22:20,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 10:22:20,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2022-04-28 10:22:20,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1365, Invalid=3747, Unknown=0, NotChecked=0, Total=5112 [2022-04-28 10:22:20,699 INFO L87 Difference]: Start difference. First operand 55 states and 59 transitions. Second operand has 37 states, 37 states have (on average 1.135135135135135) internal successors, (42), 36 states have internal predecessors, (42), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:22:23,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:22:23,211 INFO L93 Difference]: Finished difference Result 105 states and 114 transitions. [2022-04-28 10:22:23,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-04-28 10:22:23,211 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 1.135135135135135) internal successors, (42), 36 states have internal predecessors, (42), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 46 [2022-04-28 10:22:23,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 10:22:23,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 37 states have (on average 1.135135135135135) internal successors, (42), 36 states have internal predecessors, (42), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:22:23,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 79 transitions. [2022-04-28 10:22:23,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 37 states have (on average 1.135135135135135) internal successors, (42), 36 states have internal predecessors, (42), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:22:23,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 79 transitions. [2022-04-28 10:22:23,212 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 37 states and 79 transitions. [2022-04-28 10:22:23,262 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 79 edges. 79 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:22:23,263 INFO L225 Difference]: With dead ends: 105 [2022-04-28 10:22:23,263 INFO L226 Difference]: Without dead ends: 57 [2022-04-28 10:22:23,264 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 60 SyntacticMatches, 1 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 633 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=2723, Invalid=8407, Unknown=0, NotChecked=0, Total=11130 [2022-04-28 10:22:23,264 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 18 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 1341 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 1415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 1341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-04-28 10:22:23,264 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 73 Invalid, 1415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 1341 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-04-28 10:22:23,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2022-04-28 10:22:23,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 56. [2022-04-28 10:22:23,343 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 10:22:23,343 INFO L82 GeneralOperation]: Start isEquivalent. First operand 57 states. Second operand has 56 states, 48 states have (on average 1.0833333333333333) internal successors, (52), 49 states have internal predecessors, (52), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:22:23,343 INFO L74 IsIncluded]: Start isIncluded. First operand 57 states. Second operand has 56 states, 48 states have (on average 1.0833333333333333) internal successors, (52), 49 states have internal predecessors, (52), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:22:23,343 INFO L87 Difference]: Start difference. First operand 57 states. Second operand has 56 states, 48 states have (on average 1.0833333333333333) internal successors, (52), 49 states have internal predecessors, (52), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:22:23,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:22:23,344 INFO L93 Difference]: Finished difference Result 57 states and 61 transitions. [2022-04-28 10:22:23,344 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 61 transitions. [2022-04-28 10:22:23,344 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:22:23,344 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:22:23,344 INFO L74 IsIncluded]: Start isIncluded. First operand has 56 states, 48 states have (on average 1.0833333333333333) internal successors, (52), 49 states have internal predecessors, (52), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 57 states. [2022-04-28 10:22:23,344 INFO L87 Difference]: Start difference. First operand has 56 states, 48 states have (on average 1.0833333333333333) internal successors, (52), 49 states have internal predecessors, (52), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 57 states. [2022-04-28 10:22:23,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:22:23,345 INFO L93 Difference]: Finished difference Result 57 states and 61 transitions. [2022-04-28 10:22:23,345 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 61 transitions. [2022-04-28 10:22:23,345 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:22:23,345 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:22:23,345 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 10:22:23,345 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 10:22:23,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 48 states have (on average 1.0833333333333333) internal successors, (52), 49 states have internal predecessors, (52), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:22:23,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 60 transitions. [2022-04-28 10:22:23,346 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 60 transitions. Word has length 46 [2022-04-28 10:22:23,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 10:22:23,346 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 60 transitions. [2022-04-28 10:22:23,346 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 1.135135135135135) internal successors, (42), 36 states have internal predecessors, (42), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:22:23,346 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 56 states and 60 transitions. [2022-04-28 10:22:23,477 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 60 edges. 60 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:22:23,478 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 60 transitions. [2022-04-28 10:22:23,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-04-28 10:22:23,478 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 10:22:23,478 INFO L195 NwaCegarLoop]: trace histogram [34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 10:22:23,495 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2022-04-28 10:22:23,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2022-04-28 10:22:23,679 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 10:22:23,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 10:22:23,679 INFO L85 PathProgramCache]: Analyzing trace with hash 168535874, now seen corresponding path program 67 times [2022-04-28 10:22:23,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 10:22:23,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1927450295] [2022-04-28 10:22:23,681 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-28 10:22:23,681 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-28 10:22:23,681 INFO L85 PathProgramCache]: Analyzing trace with hash 168535874, now seen corresponding path program 68 times [2022-04-28 10:22:23,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 10:22:23,682 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688466163] [2022-04-28 10:22:23,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 10:22:23,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 10:22:23,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:22:24,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 10:22:24,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:22:24,394 INFO L290 TraceCheckUtils]: 0: Hoare triple {19447#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {19407#true} is VALID [2022-04-28 10:22:24,394 INFO L290 TraceCheckUtils]: 1: Hoare triple {19407#true} assume true; {19407#true} is VALID [2022-04-28 10:22:24,394 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {19407#true} {19407#true} #63#return; {19407#true} is VALID [2022-04-28 10:22:24,395 INFO L272 TraceCheckUtils]: 0: Hoare triple {19407#true} call ULTIMATE.init(); {19447#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 10:22:24,395 INFO L290 TraceCheckUtils]: 1: Hoare triple {19447#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {19407#true} is VALID [2022-04-28 10:22:24,395 INFO L290 TraceCheckUtils]: 2: Hoare triple {19407#true} assume true; {19407#true} is VALID [2022-04-28 10:22:24,395 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {19407#true} {19407#true} #63#return; {19407#true} is VALID [2022-04-28 10:22:24,395 INFO L272 TraceCheckUtils]: 4: Hoare triple {19407#true} call #t~ret7 := main(); {19407#true} is VALID [2022-04-28 10:22:24,395 INFO L290 TraceCheckUtils]: 5: Hoare triple {19407#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {19407#true} is VALID [2022-04-28 10:22:24,395 INFO L290 TraceCheckUtils]: 6: Hoare triple {19407#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {19407#true} is VALID [2022-04-28 10:22:24,396 INFO L290 TraceCheckUtils]: 7: Hoare triple {19407#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {19412#(= main_~z~0 0)} is VALID [2022-04-28 10:22:24,396 INFO L290 TraceCheckUtils]: 8: Hoare triple {19412#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19413#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:22:24,397 INFO L290 TraceCheckUtils]: 9: Hoare triple {19413#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19414#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:22:24,397 INFO L290 TraceCheckUtils]: 10: Hoare triple {19414#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19415#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:22:24,398 INFO L290 TraceCheckUtils]: 11: Hoare triple {19415#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19416#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:22:24,398 INFO L290 TraceCheckUtils]: 12: Hoare triple {19416#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19417#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:22:24,399 INFO L290 TraceCheckUtils]: 13: Hoare triple {19417#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19418#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:22:24,399 INFO L290 TraceCheckUtils]: 14: Hoare triple {19418#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19419#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:22:24,400 INFO L290 TraceCheckUtils]: 15: Hoare triple {19419#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19420#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:22:24,400 INFO L290 TraceCheckUtils]: 16: Hoare triple {19420#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19421#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:22:24,401 INFO L290 TraceCheckUtils]: 17: Hoare triple {19421#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19422#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:22:24,401 INFO L290 TraceCheckUtils]: 18: Hoare triple {19422#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19423#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:22:24,402 INFO L290 TraceCheckUtils]: 19: Hoare triple {19423#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19424#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:22:24,402 INFO L290 TraceCheckUtils]: 20: Hoare triple {19424#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19425#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:22:24,403 INFO L290 TraceCheckUtils]: 21: Hoare triple {19425#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19426#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:22:24,403 INFO L290 TraceCheckUtils]: 22: Hoare triple {19426#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19427#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:22:24,404 INFO L290 TraceCheckUtils]: 23: Hoare triple {19427#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19428#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:22:24,404 INFO L290 TraceCheckUtils]: 24: Hoare triple {19428#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19429#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:22:24,405 INFO L290 TraceCheckUtils]: 25: Hoare triple {19429#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19430#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:22:24,405 INFO L290 TraceCheckUtils]: 26: Hoare triple {19430#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19431#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:22:24,406 INFO L290 TraceCheckUtils]: 27: Hoare triple {19431#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19432#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 10:22:24,406 INFO L290 TraceCheckUtils]: 28: Hoare triple {19432#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19433#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 10:22:24,407 INFO L290 TraceCheckUtils]: 29: Hoare triple {19433#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19434#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 10:22:24,407 INFO L290 TraceCheckUtils]: 30: Hoare triple {19434#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19435#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 10:22:24,408 INFO L290 TraceCheckUtils]: 31: Hoare triple {19435#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19436#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 10:22:24,408 INFO L290 TraceCheckUtils]: 32: Hoare triple {19436#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19437#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 10:22:24,409 INFO L290 TraceCheckUtils]: 33: Hoare triple {19437#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19438#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 10:22:24,409 INFO L290 TraceCheckUtils]: 34: Hoare triple {19438#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19439#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 10:22:24,409 INFO L290 TraceCheckUtils]: 35: Hoare triple {19439#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19440#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 10:22:24,410 INFO L290 TraceCheckUtils]: 36: Hoare triple {19440#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19441#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 10:22:24,410 INFO L290 TraceCheckUtils]: 37: Hoare triple {19441#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19442#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 10:22:24,411 INFO L290 TraceCheckUtils]: 38: Hoare triple {19442#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19443#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 10:22:24,411 INFO L290 TraceCheckUtils]: 39: Hoare triple {19443#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19444#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 10:22:24,412 INFO L290 TraceCheckUtils]: 40: Hoare triple {19444#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19445#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 10:22:24,412 INFO L290 TraceCheckUtils]: 41: Hoare triple {19445#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19446#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 34))} is VALID [2022-04-28 10:22:24,413 INFO L290 TraceCheckUtils]: 42: Hoare triple {19446#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 34))} assume !(~z~0 % 4294967296 < 268435455); {19408#false} is VALID [2022-04-28 10:22:24,413 INFO L272 TraceCheckUtils]: 43: Hoare triple {19408#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {19408#false} is VALID [2022-04-28 10:22:24,413 INFO L290 TraceCheckUtils]: 44: Hoare triple {19408#false} ~cond := #in~cond; {19408#false} is VALID [2022-04-28 10:22:24,413 INFO L290 TraceCheckUtils]: 45: Hoare triple {19408#false} assume 0 == ~cond; {19408#false} is VALID [2022-04-28 10:22:24,413 INFO L290 TraceCheckUtils]: 46: Hoare triple {19408#false} assume !false; {19408#false} is VALID [2022-04-28 10:22:24,413 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:22:24,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 10:22:24,413 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688466163] [2022-04-28 10:22:24,413 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688466163] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 10:22:24,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1628227594] [2022-04-28 10:22:24,414 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-28 10:22:24,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:22:24,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 10:22:24,415 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 10:22:24,415 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2022-04-28 10:22:24,512 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-28 10:22:24,512 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 10:22:24,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 71 conjunts are in the unsatisfiable core [2022-04-28 10:22:24,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:22:24,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 10:22:24,923 INFO L272 TraceCheckUtils]: 0: Hoare triple {19407#true} call ULTIMATE.init(); {19407#true} is VALID [2022-04-28 10:22:24,923 INFO L290 TraceCheckUtils]: 1: Hoare triple {19407#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {19407#true} is VALID [2022-04-28 10:22:24,923 INFO L290 TraceCheckUtils]: 2: Hoare triple {19407#true} assume true; {19407#true} is VALID [2022-04-28 10:22:24,923 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {19407#true} {19407#true} #63#return; {19407#true} is VALID [2022-04-28 10:22:24,923 INFO L272 TraceCheckUtils]: 4: Hoare triple {19407#true} call #t~ret7 := main(); {19407#true} is VALID [2022-04-28 10:22:24,923 INFO L290 TraceCheckUtils]: 5: Hoare triple {19407#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {19407#true} is VALID [2022-04-28 10:22:24,924 INFO L290 TraceCheckUtils]: 6: Hoare triple {19407#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {19407#true} is VALID [2022-04-28 10:22:24,924 INFO L290 TraceCheckUtils]: 7: Hoare triple {19407#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {19412#(= main_~z~0 0)} is VALID [2022-04-28 10:22:24,924 INFO L290 TraceCheckUtils]: 8: Hoare triple {19412#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19413#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:22:24,925 INFO L290 TraceCheckUtils]: 9: Hoare triple {19413#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19414#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:22:24,925 INFO L290 TraceCheckUtils]: 10: Hoare triple {19414#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19415#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:22:24,926 INFO L290 TraceCheckUtils]: 11: Hoare triple {19415#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19416#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:22:24,926 INFO L290 TraceCheckUtils]: 12: Hoare triple {19416#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19417#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:22:24,927 INFO L290 TraceCheckUtils]: 13: Hoare triple {19417#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19418#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:22:24,927 INFO L290 TraceCheckUtils]: 14: Hoare triple {19418#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19419#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:22:24,928 INFO L290 TraceCheckUtils]: 15: Hoare triple {19419#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19420#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:22:24,928 INFO L290 TraceCheckUtils]: 16: Hoare triple {19420#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19421#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:22:24,928 INFO L290 TraceCheckUtils]: 17: Hoare triple {19421#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19422#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:22:24,929 INFO L290 TraceCheckUtils]: 18: Hoare triple {19422#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19423#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:22:24,929 INFO L290 TraceCheckUtils]: 19: Hoare triple {19423#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19424#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:22:24,930 INFO L290 TraceCheckUtils]: 20: Hoare triple {19424#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19425#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:22:24,930 INFO L290 TraceCheckUtils]: 21: Hoare triple {19425#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19426#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:22:24,931 INFO L290 TraceCheckUtils]: 22: Hoare triple {19426#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19427#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:22:24,932 INFO L290 TraceCheckUtils]: 23: Hoare triple {19427#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19428#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:22:24,932 INFO L290 TraceCheckUtils]: 24: Hoare triple {19428#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19429#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:22:24,932 INFO L290 TraceCheckUtils]: 25: Hoare triple {19429#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19430#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:22:24,933 INFO L290 TraceCheckUtils]: 26: Hoare triple {19430#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19431#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:22:24,933 INFO L290 TraceCheckUtils]: 27: Hoare triple {19431#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19432#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 10:22:24,934 INFO L290 TraceCheckUtils]: 28: Hoare triple {19432#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19433#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 10:22:24,934 INFO L290 TraceCheckUtils]: 29: Hoare triple {19433#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19434#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 10:22:24,935 INFO L290 TraceCheckUtils]: 30: Hoare triple {19434#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19435#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 10:22:24,935 INFO L290 TraceCheckUtils]: 31: Hoare triple {19435#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19436#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 10:22:24,936 INFO L290 TraceCheckUtils]: 32: Hoare triple {19436#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19437#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 10:22:24,936 INFO L290 TraceCheckUtils]: 33: Hoare triple {19437#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19438#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 10:22:24,937 INFO L290 TraceCheckUtils]: 34: Hoare triple {19438#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19439#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 10:22:24,937 INFO L290 TraceCheckUtils]: 35: Hoare triple {19439#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19440#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 10:22:24,938 INFO L290 TraceCheckUtils]: 36: Hoare triple {19440#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19441#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 10:22:24,938 INFO L290 TraceCheckUtils]: 37: Hoare triple {19441#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19442#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 10:22:24,939 INFO L290 TraceCheckUtils]: 38: Hoare triple {19442#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19443#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 10:22:24,939 INFO L290 TraceCheckUtils]: 39: Hoare triple {19443#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19444#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 10:22:24,940 INFO L290 TraceCheckUtils]: 40: Hoare triple {19444#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19445#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 10:22:24,940 INFO L290 TraceCheckUtils]: 41: Hoare triple {19445#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19574#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 10:22:24,941 INFO L290 TraceCheckUtils]: 42: Hoare triple {19574#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !(~z~0 % 4294967296 < 268435455); {19408#false} is VALID [2022-04-28 10:22:24,941 INFO L272 TraceCheckUtils]: 43: Hoare triple {19408#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {19408#false} is VALID [2022-04-28 10:22:24,941 INFO L290 TraceCheckUtils]: 44: Hoare triple {19408#false} ~cond := #in~cond; {19408#false} is VALID [2022-04-28 10:22:24,941 INFO L290 TraceCheckUtils]: 45: Hoare triple {19408#false} assume 0 == ~cond; {19408#false} is VALID [2022-04-28 10:22:24,941 INFO L290 TraceCheckUtils]: 46: Hoare triple {19408#false} assume !false; {19408#false} is VALID [2022-04-28 10:22:24,941 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:22:24,941 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 10:22:26,762 INFO L290 TraceCheckUtils]: 46: Hoare triple {19408#false} assume !false; {19408#false} is VALID [2022-04-28 10:22:26,762 INFO L290 TraceCheckUtils]: 45: Hoare triple {19408#false} assume 0 == ~cond; {19408#false} is VALID [2022-04-28 10:22:26,762 INFO L290 TraceCheckUtils]: 44: Hoare triple {19408#false} ~cond := #in~cond; {19408#false} is VALID [2022-04-28 10:22:26,762 INFO L272 TraceCheckUtils]: 43: Hoare triple {19408#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {19408#false} is VALID [2022-04-28 10:22:26,763 INFO L290 TraceCheckUtils]: 42: Hoare triple {19602#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {19408#false} is VALID [2022-04-28 10:22:26,763 INFO L290 TraceCheckUtils]: 41: Hoare triple {19606#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19602#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 10:22:26,764 INFO L290 TraceCheckUtils]: 40: Hoare triple {19610#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19606#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 10:22:26,764 INFO L290 TraceCheckUtils]: 39: Hoare triple {19614#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19610#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 10:22:26,765 INFO L290 TraceCheckUtils]: 38: Hoare triple {19618#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19614#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 10:22:26,767 INFO L290 TraceCheckUtils]: 37: Hoare triple {19622#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19618#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 10:22:26,767 INFO L290 TraceCheckUtils]: 36: Hoare triple {19626#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19622#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:22:26,768 INFO L290 TraceCheckUtils]: 35: Hoare triple {19630#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19626#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} is VALID [2022-04-28 10:22:26,769 INFO L290 TraceCheckUtils]: 34: Hoare triple {19634#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19630#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:22:26,769 INFO L290 TraceCheckUtils]: 33: Hoare triple {19638#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19634#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} is VALID [2022-04-28 10:22:26,770 INFO L290 TraceCheckUtils]: 32: Hoare triple {19642#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19638#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} is VALID [2022-04-28 10:22:26,770 INFO L290 TraceCheckUtils]: 31: Hoare triple {19646#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19642#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} is VALID [2022-04-28 10:22:26,771 INFO L290 TraceCheckUtils]: 30: Hoare triple {19650#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19646#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} is VALID [2022-04-28 10:22:26,771 INFO L290 TraceCheckUtils]: 29: Hoare triple {19654#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19650#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} is VALID [2022-04-28 10:22:26,772 INFO L290 TraceCheckUtils]: 28: Hoare triple {19658#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19654#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} is VALID [2022-04-28 10:22:26,772 INFO L290 TraceCheckUtils]: 27: Hoare triple {19662#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19658#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} is VALID [2022-04-28 10:22:26,774 INFO L290 TraceCheckUtils]: 26: Hoare triple {19666#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19662#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} is VALID [2022-04-28 10:22:26,774 INFO L290 TraceCheckUtils]: 25: Hoare triple {19670#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19666#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} is VALID [2022-04-28 10:22:26,775 INFO L290 TraceCheckUtils]: 24: Hoare triple {19674#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19670#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} is VALID [2022-04-28 10:22:26,775 INFO L290 TraceCheckUtils]: 23: Hoare triple {19678#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19674#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} is VALID [2022-04-28 10:22:26,776 INFO L290 TraceCheckUtils]: 22: Hoare triple {19682#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19678#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:22:26,776 INFO L290 TraceCheckUtils]: 21: Hoare triple {19686#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19682#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} is VALID [2022-04-28 10:22:26,778 INFO L290 TraceCheckUtils]: 20: Hoare triple {19690#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19686#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} is VALID [2022-04-28 10:22:26,779 INFO L290 TraceCheckUtils]: 19: Hoare triple {19694#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19690#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} is VALID [2022-04-28 10:22:26,780 INFO L290 TraceCheckUtils]: 18: Hoare triple {19698#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19694#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:22:26,781 INFO L290 TraceCheckUtils]: 17: Hoare triple {19702#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19698#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} is VALID [2022-04-28 10:22:26,781 INFO L290 TraceCheckUtils]: 16: Hoare triple {19706#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19702#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} is VALID [2022-04-28 10:22:26,782 INFO L290 TraceCheckUtils]: 15: Hoare triple {19710#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19706#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} is VALID [2022-04-28 10:22:26,782 INFO L290 TraceCheckUtils]: 14: Hoare triple {19714#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19710#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} is VALID [2022-04-28 10:22:26,783 INFO L290 TraceCheckUtils]: 13: Hoare triple {19718#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19714#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} is VALID [2022-04-28 10:22:26,783 INFO L290 TraceCheckUtils]: 12: Hoare triple {19722#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19718#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:22:26,784 INFO L290 TraceCheckUtils]: 11: Hoare triple {19726#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19722#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:22:26,785 INFO L290 TraceCheckUtils]: 10: Hoare triple {19730#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19726#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} is VALID [2022-04-28 10:22:26,785 INFO L290 TraceCheckUtils]: 9: Hoare triple {19734#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19730#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:22:26,786 INFO L290 TraceCheckUtils]: 8: Hoare triple {19738#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {19734#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} is VALID [2022-04-28 10:22:26,786 INFO L290 TraceCheckUtils]: 7: Hoare triple {19407#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {19738#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} is VALID [2022-04-28 10:22:26,786 INFO L290 TraceCheckUtils]: 6: Hoare triple {19407#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {19407#true} is VALID [2022-04-28 10:22:26,786 INFO L290 TraceCheckUtils]: 5: Hoare triple {19407#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {19407#true} is VALID [2022-04-28 10:22:26,786 INFO L272 TraceCheckUtils]: 4: Hoare triple {19407#true} call #t~ret7 := main(); {19407#true} is VALID [2022-04-28 10:22:26,786 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {19407#true} {19407#true} #63#return; {19407#true} is VALID [2022-04-28 10:22:26,786 INFO L290 TraceCheckUtils]: 2: Hoare triple {19407#true} assume true; {19407#true} is VALID [2022-04-28 10:22:26,786 INFO L290 TraceCheckUtils]: 1: Hoare triple {19407#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {19407#true} is VALID [2022-04-28 10:22:26,787 INFO L272 TraceCheckUtils]: 0: Hoare triple {19407#true} call ULTIMATE.init(); {19407#true} is VALID [2022-04-28 10:22:26,787 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:22:26,787 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1628227594] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 10:22:26,787 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 10:22:26,787 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 37, 37] total 74 [2022-04-28 10:22:26,787 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 10:22:26,787 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1927450295] [2022-04-28 10:22:26,787 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1927450295] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 10:22:26,787 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 10:22:26,787 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [38] imperfect sequences [] total 38 [2022-04-28 10:22:26,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099846014] [2022-04-28 10:22:26,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 10:22:26,788 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 38 states have (on average 1.131578947368421) internal successors, (43), 37 states have internal predecessors, (43), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 47 [2022-04-28 10:22:26,788 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 10:22:26,788 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 38 states, 38 states have (on average 1.131578947368421) internal successors, (43), 37 states have internal predecessors, (43), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:22:26,811 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 47 edges. 47 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:22:26,812 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2022-04-28 10:22:26,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 10:22:26,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2022-04-28 10:22:26,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1440, Invalid=3962, Unknown=0, NotChecked=0, Total=5402 [2022-04-28 10:22:26,812 INFO L87 Difference]: Start difference. First operand 56 states and 60 transitions. Second operand has 38 states, 38 states have (on average 1.131578947368421) internal successors, (43), 37 states have internal predecessors, (43), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:22:29,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:22:29,648 INFO L93 Difference]: Finished difference Result 107 states and 116 transitions. [2022-04-28 10:22:29,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-04-28 10:22:29,648 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 38 states have (on average 1.131578947368421) internal successors, (43), 37 states have internal predecessors, (43), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 47 [2022-04-28 10:22:29,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 10:22:29,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 38 states have (on average 1.131578947368421) internal successors, (43), 37 states have internal predecessors, (43), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:22:29,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 80 transitions. [2022-04-28 10:22:29,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 38 states have (on average 1.131578947368421) internal successors, (43), 37 states have internal predecessors, (43), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:22:29,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 80 transitions. [2022-04-28 10:22:29,650 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 38 states and 80 transitions. [2022-04-28 10:22:29,701 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 80 edges. 80 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:22:29,702 INFO L225 Difference]: With dead ends: 107 [2022-04-28 10:22:29,702 INFO L226 Difference]: Without dead ends: 58 [2022-04-28 10:22:29,703 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 61 SyntacticMatches, 1 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 669 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=2873, Invalid=8899, Unknown=0, NotChecked=0, Total=11772 [2022-04-28 10:22:29,703 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 18 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 1501 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 1577 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 1501 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-04-28 10:22:29,704 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 103 Invalid, 1577 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 1501 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-04-28 10:22:29,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2022-04-28 10:22:29,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 57. [2022-04-28 10:22:29,759 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 10:22:29,759 INFO L82 GeneralOperation]: Start isEquivalent. First operand 58 states. Second operand has 57 states, 49 states have (on average 1.0816326530612246) internal successors, (53), 50 states have internal predecessors, (53), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:22:29,759 INFO L74 IsIncluded]: Start isIncluded. First operand 58 states. Second operand has 57 states, 49 states have (on average 1.0816326530612246) internal successors, (53), 50 states have internal predecessors, (53), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:22:29,760 INFO L87 Difference]: Start difference. First operand 58 states. Second operand has 57 states, 49 states have (on average 1.0816326530612246) internal successors, (53), 50 states have internal predecessors, (53), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:22:29,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:22:29,761 INFO L93 Difference]: Finished difference Result 58 states and 62 transitions. [2022-04-28 10:22:29,761 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 62 transitions. [2022-04-28 10:22:29,761 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:22:29,761 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:22:29,761 INFO L74 IsIncluded]: Start isIncluded. First operand has 57 states, 49 states have (on average 1.0816326530612246) internal successors, (53), 50 states have internal predecessors, (53), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 58 states. [2022-04-28 10:22:29,761 INFO L87 Difference]: Start difference. First operand has 57 states, 49 states have (on average 1.0816326530612246) internal successors, (53), 50 states have internal predecessors, (53), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 58 states. [2022-04-28 10:22:29,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:22:29,762 INFO L93 Difference]: Finished difference Result 58 states and 62 transitions. [2022-04-28 10:22:29,762 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 62 transitions. [2022-04-28 10:22:29,762 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:22:29,762 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:22:29,763 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 10:22:29,763 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 10:22:29,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 49 states have (on average 1.0816326530612246) internal successors, (53), 50 states have internal predecessors, (53), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:22:29,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 61 transitions. [2022-04-28 10:22:29,764 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 61 transitions. Word has length 47 [2022-04-28 10:22:29,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 10:22:29,764 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 61 transitions. [2022-04-28 10:22:29,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 1.131578947368421) internal successors, (43), 37 states have internal predecessors, (43), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:22:29,764 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 57 states and 61 transitions. [2022-04-28 10:22:29,832 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 61 edges. 61 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:22:29,832 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 61 transitions. [2022-04-28 10:22:29,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-04-28 10:22:29,832 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 10:22:29,832 INFO L195 NwaCegarLoop]: trace histogram [35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 10:22:29,848 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2022-04-28 10:22:30,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2022-04-28 10:22:30,033 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 10:22:30,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 10:22:30,033 INFO L85 PathProgramCache]: Analyzing trace with hash 955947362, now seen corresponding path program 69 times [2022-04-28 10:22:30,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 10:22:30,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1586292569] [2022-04-28 10:22:30,035 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-28 10:22:30,035 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-28 10:22:30,035 INFO L85 PathProgramCache]: Analyzing trace with hash 955947362, now seen corresponding path program 70 times [2022-04-28 10:22:30,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 10:22:30,036 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232100032] [2022-04-28 10:22:30,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 10:22:30,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 10:22:30,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:22:30,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 10:22:30,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:22:30,762 INFO L290 TraceCheckUtils]: 0: Hoare triple {20321#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {20280#true} is VALID [2022-04-28 10:22:30,762 INFO L290 TraceCheckUtils]: 1: Hoare triple {20280#true} assume true; {20280#true} is VALID [2022-04-28 10:22:30,762 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {20280#true} {20280#true} #63#return; {20280#true} is VALID [2022-04-28 10:22:30,762 INFO L272 TraceCheckUtils]: 0: Hoare triple {20280#true} call ULTIMATE.init(); {20321#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 10:22:30,762 INFO L290 TraceCheckUtils]: 1: Hoare triple {20321#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {20280#true} is VALID [2022-04-28 10:22:30,762 INFO L290 TraceCheckUtils]: 2: Hoare triple {20280#true} assume true; {20280#true} is VALID [2022-04-28 10:22:30,762 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {20280#true} {20280#true} #63#return; {20280#true} is VALID [2022-04-28 10:22:30,763 INFO L272 TraceCheckUtils]: 4: Hoare triple {20280#true} call #t~ret7 := main(); {20280#true} is VALID [2022-04-28 10:22:30,763 INFO L290 TraceCheckUtils]: 5: Hoare triple {20280#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {20280#true} is VALID [2022-04-28 10:22:30,763 INFO L290 TraceCheckUtils]: 6: Hoare triple {20280#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {20280#true} is VALID [2022-04-28 10:22:30,763 INFO L290 TraceCheckUtils]: 7: Hoare triple {20280#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {20285#(= main_~z~0 0)} is VALID [2022-04-28 10:22:30,763 INFO L290 TraceCheckUtils]: 8: Hoare triple {20285#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20286#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:22:30,764 INFO L290 TraceCheckUtils]: 9: Hoare triple {20286#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20287#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:22:30,765 INFO L290 TraceCheckUtils]: 10: Hoare triple {20287#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20288#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:22:30,765 INFO L290 TraceCheckUtils]: 11: Hoare triple {20288#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20289#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:22:30,766 INFO L290 TraceCheckUtils]: 12: Hoare triple {20289#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20290#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:22:30,766 INFO L290 TraceCheckUtils]: 13: Hoare triple {20290#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20291#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:22:30,767 INFO L290 TraceCheckUtils]: 14: Hoare triple {20291#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20292#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:22:30,767 INFO L290 TraceCheckUtils]: 15: Hoare triple {20292#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20293#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:22:30,768 INFO L290 TraceCheckUtils]: 16: Hoare triple {20293#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20294#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:22:30,768 INFO L290 TraceCheckUtils]: 17: Hoare triple {20294#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20295#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:22:30,769 INFO L290 TraceCheckUtils]: 18: Hoare triple {20295#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20296#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:22:30,769 INFO L290 TraceCheckUtils]: 19: Hoare triple {20296#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20297#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:22:30,770 INFO L290 TraceCheckUtils]: 20: Hoare triple {20297#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20298#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:22:30,770 INFO L290 TraceCheckUtils]: 21: Hoare triple {20298#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20299#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:22:30,771 INFO L290 TraceCheckUtils]: 22: Hoare triple {20299#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20300#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:22:30,771 INFO L290 TraceCheckUtils]: 23: Hoare triple {20300#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20301#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:22:30,772 INFO L290 TraceCheckUtils]: 24: Hoare triple {20301#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20302#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:22:30,772 INFO L290 TraceCheckUtils]: 25: Hoare triple {20302#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20303#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:22:30,773 INFO L290 TraceCheckUtils]: 26: Hoare triple {20303#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20304#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:22:30,773 INFO L290 TraceCheckUtils]: 27: Hoare triple {20304#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20305#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 10:22:30,774 INFO L290 TraceCheckUtils]: 28: Hoare triple {20305#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20306#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 10:22:30,774 INFO L290 TraceCheckUtils]: 29: Hoare triple {20306#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20307#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 10:22:30,774 INFO L290 TraceCheckUtils]: 30: Hoare triple {20307#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20308#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 10:22:30,775 INFO L290 TraceCheckUtils]: 31: Hoare triple {20308#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20309#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 10:22:30,775 INFO L290 TraceCheckUtils]: 32: Hoare triple {20309#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20310#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 10:22:30,776 INFO L290 TraceCheckUtils]: 33: Hoare triple {20310#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20311#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 10:22:30,776 INFO L290 TraceCheckUtils]: 34: Hoare triple {20311#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20312#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 10:22:30,777 INFO L290 TraceCheckUtils]: 35: Hoare triple {20312#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20313#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 10:22:30,777 INFO L290 TraceCheckUtils]: 36: Hoare triple {20313#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20314#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 10:22:30,778 INFO L290 TraceCheckUtils]: 37: Hoare triple {20314#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20315#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 10:22:30,778 INFO L290 TraceCheckUtils]: 38: Hoare triple {20315#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20316#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 10:22:30,778 INFO L290 TraceCheckUtils]: 39: Hoare triple {20316#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20317#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 10:22:30,779 INFO L290 TraceCheckUtils]: 40: Hoare triple {20317#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20318#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 10:22:30,779 INFO L290 TraceCheckUtils]: 41: Hoare triple {20318#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20319#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 10:22:30,780 INFO L290 TraceCheckUtils]: 42: Hoare triple {20319#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20320#(and (<= main_~z~0 35) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} is VALID [2022-04-28 10:22:30,780 INFO L290 TraceCheckUtils]: 43: Hoare triple {20320#(and (<= main_~z~0 35) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} assume !(~z~0 % 4294967296 < 268435455); {20281#false} is VALID [2022-04-28 10:22:30,781 INFO L272 TraceCheckUtils]: 44: Hoare triple {20281#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {20281#false} is VALID [2022-04-28 10:22:30,781 INFO L290 TraceCheckUtils]: 45: Hoare triple {20281#false} ~cond := #in~cond; {20281#false} is VALID [2022-04-28 10:22:30,781 INFO L290 TraceCheckUtils]: 46: Hoare triple {20281#false} assume 0 == ~cond; {20281#false} is VALID [2022-04-28 10:22:30,781 INFO L290 TraceCheckUtils]: 47: Hoare triple {20281#false} assume !false; {20281#false} is VALID [2022-04-28 10:22:30,781 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:22:30,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 10:22:30,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232100032] [2022-04-28 10:22:30,781 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232100032] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 10:22:30,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1667606171] [2022-04-28 10:22:30,781 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-28 10:22:30,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:22:30,782 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 10:22:30,782 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 10:22:30,783 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2022-04-28 10:22:30,908 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-28 10:22:30,908 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 10:22:30,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 73 conjunts are in the unsatisfiable core [2022-04-28 10:22:30,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:22:30,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 10:22:31,335 INFO L272 TraceCheckUtils]: 0: Hoare triple {20280#true} call ULTIMATE.init(); {20280#true} is VALID [2022-04-28 10:22:31,335 INFO L290 TraceCheckUtils]: 1: Hoare triple {20280#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {20280#true} is VALID [2022-04-28 10:22:31,336 INFO L290 TraceCheckUtils]: 2: Hoare triple {20280#true} assume true; {20280#true} is VALID [2022-04-28 10:22:31,336 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {20280#true} {20280#true} #63#return; {20280#true} is VALID [2022-04-28 10:22:31,336 INFO L272 TraceCheckUtils]: 4: Hoare triple {20280#true} call #t~ret7 := main(); {20280#true} is VALID [2022-04-28 10:22:31,336 INFO L290 TraceCheckUtils]: 5: Hoare triple {20280#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {20280#true} is VALID [2022-04-28 10:22:31,336 INFO L290 TraceCheckUtils]: 6: Hoare triple {20280#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {20280#true} is VALID [2022-04-28 10:22:31,336 INFO L290 TraceCheckUtils]: 7: Hoare triple {20280#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {20285#(= main_~z~0 0)} is VALID [2022-04-28 10:22:31,337 INFO L290 TraceCheckUtils]: 8: Hoare triple {20285#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20286#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:22:31,337 INFO L290 TraceCheckUtils]: 9: Hoare triple {20286#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20287#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:22:31,338 INFO L290 TraceCheckUtils]: 10: Hoare triple {20287#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20288#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:22:31,338 INFO L290 TraceCheckUtils]: 11: Hoare triple {20288#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20289#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:22:31,339 INFO L290 TraceCheckUtils]: 12: Hoare triple {20289#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20290#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:22:31,339 INFO L290 TraceCheckUtils]: 13: Hoare triple {20290#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20291#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:22:31,340 INFO L290 TraceCheckUtils]: 14: Hoare triple {20291#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20292#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:22:31,340 INFO L290 TraceCheckUtils]: 15: Hoare triple {20292#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20293#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:22:31,341 INFO L290 TraceCheckUtils]: 16: Hoare triple {20293#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20294#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:22:31,341 INFO L290 TraceCheckUtils]: 17: Hoare triple {20294#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20295#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:22:31,342 INFO L290 TraceCheckUtils]: 18: Hoare triple {20295#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20296#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:22:31,342 INFO L290 TraceCheckUtils]: 19: Hoare triple {20296#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20297#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:22:31,343 INFO L290 TraceCheckUtils]: 20: Hoare triple {20297#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20298#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:22:31,343 INFO L290 TraceCheckUtils]: 21: Hoare triple {20298#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20299#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:22:31,344 INFO L290 TraceCheckUtils]: 22: Hoare triple {20299#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20300#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:22:31,345 INFO L290 TraceCheckUtils]: 23: Hoare triple {20300#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20301#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:22:31,345 INFO L290 TraceCheckUtils]: 24: Hoare triple {20301#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20302#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:22:31,346 INFO L290 TraceCheckUtils]: 25: Hoare triple {20302#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20303#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:22:31,346 INFO L290 TraceCheckUtils]: 26: Hoare triple {20303#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20304#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:22:31,347 INFO L290 TraceCheckUtils]: 27: Hoare triple {20304#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20305#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 10:22:31,347 INFO L290 TraceCheckUtils]: 28: Hoare triple {20305#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20306#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 10:22:31,348 INFO L290 TraceCheckUtils]: 29: Hoare triple {20306#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20307#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 10:22:31,348 INFO L290 TraceCheckUtils]: 30: Hoare triple {20307#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20308#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 10:22:31,349 INFO L290 TraceCheckUtils]: 31: Hoare triple {20308#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20309#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 10:22:31,349 INFO L290 TraceCheckUtils]: 32: Hoare triple {20309#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20310#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 10:22:31,349 INFO L290 TraceCheckUtils]: 33: Hoare triple {20310#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20311#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 10:22:31,350 INFO L290 TraceCheckUtils]: 34: Hoare triple {20311#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20312#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 10:22:31,350 INFO L290 TraceCheckUtils]: 35: Hoare triple {20312#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20313#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 10:22:31,351 INFO L290 TraceCheckUtils]: 36: Hoare triple {20313#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20314#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 10:22:31,351 INFO L290 TraceCheckUtils]: 37: Hoare triple {20314#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20315#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 10:22:31,352 INFO L290 TraceCheckUtils]: 38: Hoare triple {20315#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20316#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 10:22:31,352 INFO L290 TraceCheckUtils]: 39: Hoare triple {20316#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20317#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 10:22:31,353 INFO L290 TraceCheckUtils]: 40: Hoare triple {20317#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20318#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 10:22:31,353 INFO L290 TraceCheckUtils]: 41: Hoare triple {20318#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20319#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 10:22:31,354 INFO L290 TraceCheckUtils]: 42: Hoare triple {20319#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20451#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 10:22:31,354 INFO L290 TraceCheckUtils]: 43: Hoare triple {20451#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !(~z~0 % 4294967296 < 268435455); {20281#false} is VALID [2022-04-28 10:22:31,354 INFO L272 TraceCheckUtils]: 44: Hoare triple {20281#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {20281#false} is VALID [2022-04-28 10:22:31,354 INFO L290 TraceCheckUtils]: 45: Hoare triple {20281#false} ~cond := #in~cond; {20281#false} is VALID [2022-04-28 10:22:31,354 INFO L290 TraceCheckUtils]: 46: Hoare triple {20281#false} assume 0 == ~cond; {20281#false} is VALID [2022-04-28 10:22:31,354 INFO L290 TraceCheckUtils]: 47: Hoare triple {20281#false} assume !false; {20281#false} is VALID [2022-04-28 10:22:31,355 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:22:31,355 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 10:22:33,302 INFO L290 TraceCheckUtils]: 47: Hoare triple {20281#false} assume !false; {20281#false} is VALID [2022-04-28 10:22:33,302 INFO L290 TraceCheckUtils]: 46: Hoare triple {20281#false} assume 0 == ~cond; {20281#false} is VALID [2022-04-28 10:22:33,302 INFO L290 TraceCheckUtils]: 45: Hoare triple {20281#false} ~cond := #in~cond; {20281#false} is VALID [2022-04-28 10:22:33,302 INFO L272 TraceCheckUtils]: 44: Hoare triple {20281#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {20281#false} is VALID [2022-04-28 10:22:33,303 INFO L290 TraceCheckUtils]: 43: Hoare triple {20479#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {20281#false} is VALID [2022-04-28 10:22:33,303 INFO L290 TraceCheckUtils]: 42: Hoare triple {20483#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20479#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 10:22:33,304 INFO L290 TraceCheckUtils]: 41: Hoare triple {20487#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20483#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 10:22:33,304 INFO L290 TraceCheckUtils]: 40: Hoare triple {20491#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20487#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 10:22:33,305 INFO L290 TraceCheckUtils]: 39: Hoare triple {20495#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20491#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 10:22:33,306 INFO L290 TraceCheckUtils]: 38: Hoare triple {20499#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20495#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 10:22:33,306 INFO L290 TraceCheckUtils]: 37: Hoare triple {20503#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20499#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:22:33,307 INFO L290 TraceCheckUtils]: 36: Hoare triple {20507#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20503#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} is VALID [2022-04-28 10:22:33,307 INFO L290 TraceCheckUtils]: 35: Hoare triple {20511#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20507#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:22:33,308 INFO L290 TraceCheckUtils]: 34: Hoare triple {20515#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20511#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} is VALID [2022-04-28 10:22:33,308 INFO L290 TraceCheckUtils]: 33: Hoare triple {20519#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20515#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} is VALID [2022-04-28 10:22:33,309 INFO L290 TraceCheckUtils]: 32: Hoare triple {20523#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20519#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} is VALID [2022-04-28 10:22:33,310 INFO L290 TraceCheckUtils]: 31: Hoare triple {20527#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20523#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} is VALID [2022-04-28 10:22:33,310 INFO L290 TraceCheckUtils]: 30: Hoare triple {20531#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20527#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} is VALID [2022-04-28 10:22:33,311 INFO L290 TraceCheckUtils]: 29: Hoare triple {20535#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20531#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} is VALID [2022-04-28 10:22:33,311 INFO L290 TraceCheckUtils]: 28: Hoare triple {20539#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20535#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} is VALID [2022-04-28 10:22:33,312 INFO L290 TraceCheckUtils]: 27: Hoare triple {20543#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20539#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} is VALID [2022-04-28 10:22:33,312 INFO L290 TraceCheckUtils]: 26: Hoare triple {20547#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20543#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} is VALID [2022-04-28 10:22:33,313 INFO L290 TraceCheckUtils]: 25: Hoare triple {20551#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20547#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} is VALID [2022-04-28 10:22:33,314 INFO L290 TraceCheckUtils]: 24: Hoare triple {20555#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20551#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} is VALID [2022-04-28 10:22:33,314 INFO L290 TraceCheckUtils]: 23: Hoare triple {20559#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20555#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:22:33,315 INFO L290 TraceCheckUtils]: 22: Hoare triple {20563#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20559#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} is VALID [2022-04-28 10:22:33,315 INFO L290 TraceCheckUtils]: 21: Hoare triple {20567#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20563#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} is VALID [2022-04-28 10:22:33,316 INFO L290 TraceCheckUtils]: 20: Hoare triple {20571#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20567#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} is VALID [2022-04-28 10:22:33,316 INFO L290 TraceCheckUtils]: 19: Hoare triple {20575#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20571#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:22:33,317 INFO L290 TraceCheckUtils]: 18: Hoare triple {20579#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20575#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} is VALID [2022-04-28 10:22:33,317 INFO L290 TraceCheckUtils]: 17: Hoare triple {20583#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20579#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} is VALID [2022-04-28 10:22:33,318 INFO L290 TraceCheckUtils]: 16: Hoare triple {20587#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20583#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} is VALID [2022-04-28 10:22:33,319 INFO L290 TraceCheckUtils]: 15: Hoare triple {20591#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20587#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} is VALID [2022-04-28 10:22:33,319 INFO L290 TraceCheckUtils]: 14: Hoare triple {20595#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20591#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} is VALID [2022-04-28 10:22:33,320 INFO L290 TraceCheckUtils]: 13: Hoare triple {20599#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20595#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:22:33,320 INFO L290 TraceCheckUtils]: 12: Hoare triple {20603#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20599#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:22:33,321 INFO L290 TraceCheckUtils]: 11: Hoare triple {20607#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20603#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} is VALID [2022-04-28 10:22:33,321 INFO L290 TraceCheckUtils]: 10: Hoare triple {20611#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20607#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:22:33,322 INFO L290 TraceCheckUtils]: 9: Hoare triple {20615#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20611#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} is VALID [2022-04-28 10:22:33,323 INFO L290 TraceCheckUtils]: 8: Hoare triple {20619#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {20615#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} is VALID [2022-04-28 10:22:33,323 INFO L290 TraceCheckUtils]: 7: Hoare triple {20280#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {20619#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:22:33,323 INFO L290 TraceCheckUtils]: 6: Hoare triple {20280#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {20280#true} is VALID [2022-04-28 10:22:33,323 INFO L290 TraceCheckUtils]: 5: Hoare triple {20280#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {20280#true} is VALID [2022-04-28 10:22:33,323 INFO L272 TraceCheckUtils]: 4: Hoare triple {20280#true} call #t~ret7 := main(); {20280#true} is VALID [2022-04-28 10:22:33,323 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {20280#true} {20280#true} #63#return; {20280#true} is VALID [2022-04-28 10:22:33,323 INFO L290 TraceCheckUtils]: 2: Hoare triple {20280#true} assume true; {20280#true} is VALID [2022-04-28 10:22:33,323 INFO L290 TraceCheckUtils]: 1: Hoare triple {20280#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {20280#true} is VALID [2022-04-28 10:22:33,323 INFO L272 TraceCheckUtils]: 0: Hoare triple {20280#true} call ULTIMATE.init(); {20280#true} is VALID [2022-04-28 10:22:33,324 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:22:33,324 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1667606171] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 10:22:33,324 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 10:22:33,324 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 38, 38] total 76 [2022-04-28 10:22:33,324 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 10:22:33,324 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1586292569] [2022-04-28 10:22:33,324 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1586292569] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 10:22:33,324 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 10:22:33,324 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [39] imperfect sequences [] total 39 [2022-04-28 10:22:33,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131288377] [2022-04-28 10:22:33,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 10:22:33,325 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 39 states have (on average 1.1282051282051282) internal successors, (44), 38 states have internal predecessors, (44), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 48 [2022-04-28 10:22:33,325 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 10:22:33,325 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 39 states, 39 states have (on average 1.1282051282051282) internal successors, (44), 38 states have internal predecessors, (44), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:22:33,349 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 48 edges. 48 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:22:33,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2022-04-28 10:22:33,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 10:22:33,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2022-04-28 10:22:33,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1517, Invalid=4183, Unknown=0, NotChecked=0, Total=5700 [2022-04-28 10:22:33,350 INFO L87 Difference]: Start difference. First operand 57 states and 61 transitions. Second operand has 39 states, 39 states have (on average 1.1282051282051282) internal successors, (44), 38 states have internal predecessors, (44), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:22:36,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:22:36,289 INFO L93 Difference]: Finished difference Result 109 states and 118 transitions. [2022-04-28 10:22:36,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-04-28 10:22:36,289 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 39 states have (on average 1.1282051282051282) internal successors, (44), 38 states have internal predecessors, (44), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 48 [2022-04-28 10:22:36,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 10:22:36,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 39 states have (on average 1.1282051282051282) internal successors, (44), 38 states have internal predecessors, (44), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:22:36,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 81 transitions. [2022-04-28 10:22:36,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 39 states have (on average 1.1282051282051282) internal successors, (44), 38 states have internal predecessors, (44), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:22:36,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 81 transitions. [2022-04-28 10:22:36,291 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 39 states and 81 transitions. [2022-04-28 10:22:36,342 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 81 edges. 81 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:22:36,343 INFO L225 Difference]: With dead ends: 109 [2022-04-28 10:22:36,343 INFO L226 Difference]: Without dead ends: 59 [2022-04-28 10:22:36,344 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 62 SyntacticMatches, 1 SemanticMatches, 110 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 706 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=3027, Invalid=9405, Unknown=0, NotChecked=0, Total=12432 [2022-04-28 10:22:36,344 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 17 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 1514 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 1591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 1514 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-04-28 10:22:36,344 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 83 Invalid, 1591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 1514 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-04-28 10:22:36,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2022-04-28 10:22:36,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 58. [2022-04-28 10:22:36,390 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 10:22:36,391 INFO L82 GeneralOperation]: Start isEquivalent. First operand 59 states. Second operand has 58 states, 50 states have (on average 1.08) internal successors, (54), 51 states have internal predecessors, (54), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:22:36,391 INFO L74 IsIncluded]: Start isIncluded. First operand 59 states. Second operand has 58 states, 50 states have (on average 1.08) internal successors, (54), 51 states have internal predecessors, (54), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:22:36,391 INFO L87 Difference]: Start difference. First operand 59 states. Second operand has 58 states, 50 states have (on average 1.08) internal successors, (54), 51 states have internal predecessors, (54), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:22:36,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:22:36,392 INFO L93 Difference]: Finished difference Result 59 states and 63 transitions. [2022-04-28 10:22:36,392 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 63 transitions. [2022-04-28 10:22:36,392 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:22:36,392 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:22:36,392 INFO L74 IsIncluded]: Start isIncluded. First operand has 58 states, 50 states have (on average 1.08) internal successors, (54), 51 states have internal predecessors, (54), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 59 states. [2022-04-28 10:22:36,393 INFO L87 Difference]: Start difference. First operand has 58 states, 50 states have (on average 1.08) internal successors, (54), 51 states have internal predecessors, (54), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 59 states. [2022-04-28 10:22:36,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:22:36,394 INFO L93 Difference]: Finished difference Result 59 states and 63 transitions. [2022-04-28 10:22:36,394 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 63 transitions. [2022-04-28 10:22:36,399 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:22:36,399 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:22:36,399 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 10:22:36,399 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 10:22:36,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 50 states have (on average 1.08) internal successors, (54), 51 states have internal predecessors, (54), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:22:36,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 62 transitions. [2022-04-28 10:22:36,400 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 62 transitions. Word has length 48 [2022-04-28 10:22:36,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 10:22:36,400 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 62 transitions. [2022-04-28 10:22:36,400 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 1.1282051282051282) internal successors, (44), 38 states have internal predecessors, (44), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:22:36,400 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 58 states and 62 transitions. [2022-04-28 10:22:36,458 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 62 edges. 62 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:22:36,459 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 62 transitions. [2022-04-28 10:22:36,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-04-28 10:22:36,475 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 10:22:36,475 INFO L195 NwaCegarLoop]: trace histogram [36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 10:22:36,493 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2022-04-28 10:22:36,676 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2022-04-28 10:22:36,676 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 10:22:36,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 10:22:36,676 INFO L85 PathProgramCache]: Analyzing trace with hash -404100286, now seen corresponding path program 71 times [2022-04-28 10:22:36,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 10:22:36,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1606716893] [2022-04-28 10:22:36,678 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-28 10:22:36,678 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-28 10:22:36,678 INFO L85 PathProgramCache]: Analyzing trace with hash -404100286, now seen corresponding path program 72 times [2022-04-28 10:22:36,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 10:22:36,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463513761] [2022-04-28 10:22:36,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 10:22:36,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 10:22:36,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:22:37,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 10:22:37,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:22:37,448 INFO L290 TraceCheckUtils]: 0: Hoare triple {21213#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {21171#true} is VALID [2022-04-28 10:22:37,448 INFO L290 TraceCheckUtils]: 1: Hoare triple {21171#true} assume true; {21171#true} is VALID [2022-04-28 10:22:37,448 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {21171#true} {21171#true} #63#return; {21171#true} is VALID [2022-04-28 10:22:37,448 INFO L272 TraceCheckUtils]: 0: Hoare triple {21171#true} call ULTIMATE.init(); {21213#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 10:22:37,448 INFO L290 TraceCheckUtils]: 1: Hoare triple {21213#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {21171#true} is VALID [2022-04-28 10:22:37,449 INFO L290 TraceCheckUtils]: 2: Hoare triple {21171#true} assume true; {21171#true} is VALID [2022-04-28 10:22:37,449 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {21171#true} {21171#true} #63#return; {21171#true} is VALID [2022-04-28 10:22:37,449 INFO L272 TraceCheckUtils]: 4: Hoare triple {21171#true} call #t~ret7 := main(); {21171#true} is VALID [2022-04-28 10:22:37,449 INFO L290 TraceCheckUtils]: 5: Hoare triple {21171#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {21171#true} is VALID [2022-04-28 10:22:37,449 INFO L290 TraceCheckUtils]: 6: Hoare triple {21171#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {21171#true} is VALID [2022-04-28 10:22:37,449 INFO L290 TraceCheckUtils]: 7: Hoare triple {21171#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {21176#(= main_~z~0 0)} is VALID [2022-04-28 10:22:37,450 INFO L290 TraceCheckUtils]: 8: Hoare triple {21176#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21177#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:22:37,450 INFO L290 TraceCheckUtils]: 9: Hoare triple {21177#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21178#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:22:37,451 INFO L290 TraceCheckUtils]: 10: Hoare triple {21178#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21179#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:22:37,451 INFO L290 TraceCheckUtils]: 11: Hoare triple {21179#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21180#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:22:37,452 INFO L290 TraceCheckUtils]: 12: Hoare triple {21180#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21181#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:22:37,452 INFO L290 TraceCheckUtils]: 13: Hoare triple {21181#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21182#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:22:37,453 INFO L290 TraceCheckUtils]: 14: Hoare triple {21182#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21183#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:22:37,453 INFO L290 TraceCheckUtils]: 15: Hoare triple {21183#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21184#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:22:37,454 INFO L290 TraceCheckUtils]: 16: Hoare triple {21184#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21185#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:22:37,454 INFO L290 TraceCheckUtils]: 17: Hoare triple {21185#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21186#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:22:37,455 INFO L290 TraceCheckUtils]: 18: Hoare triple {21186#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21187#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:22:37,455 INFO L290 TraceCheckUtils]: 19: Hoare triple {21187#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21188#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:22:37,456 INFO L290 TraceCheckUtils]: 20: Hoare triple {21188#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21189#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:22:37,456 INFO L290 TraceCheckUtils]: 21: Hoare triple {21189#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21190#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:22:37,457 INFO L290 TraceCheckUtils]: 22: Hoare triple {21190#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21191#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:22:37,457 INFO L290 TraceCheckUtils]: 23: Hoare triple {21191#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21192#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:22:37,458 INFO L290 TraceCheckUtils]: 24: Hoare triple {21192#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21193#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:22:37,458 INFO L290 TraceCheckUtils]: 25: Hoare triple {21193#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21194#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:22:37,459 INFO L290 TraceCheckUtils]: 26: Hoare triple {21194#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21195#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:22:37,459 INFO L290 TraceCheckUtils]: 27: Hoare triple {21195#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21196#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 10:22:37,460 INFO L290 TraceCheckUtils]: 28: Hoare triple {21196#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21197#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 10:22:37,460 INFO L290 TraceCheckUtils]: 29: Hoare triple {21197#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21198#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 10:22:37,479 INFO L290 TraceCheckUtils]: 30: Hoare triple {21198#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21199#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 10:22:37,480 INFO L290 TraceCheckUtils]: 31: Hoare triple {21199#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21200#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 10:22:37,480 INFO L290 TraceCheckUtils]: 32: Hoare triple {21200#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21201#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 10:22:37,481 INFO L290 TraceCheckUtils]: 33: Hoare triple {21201#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21202#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 10:22:37,481 INFO L290 TraceCheckUtils]: 34: Hoare triple {21202#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21203#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 10:22:37,482 INFO L290 TraceCheckUtils]: 35: Hoare triple {21203#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21204#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 10:22:37,482 INFO L290 TraceCheckUtils]: 36: Hoare triple {21204#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21205#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 10:22:37,483 INFO L290 TraceCheckUtils]: 37: Hoare triple {21205#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21206#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 10:22:37,483 INFO L290 TraceCheckUtils]: 38: Hoare triple {21206#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21207#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 10:22:37,484 INFO L290 TraceCheckUtils]: 39: Hoare triple {21207#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21208#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 10:22:37,484 INFO L290 TraceCheckUtils]: 40: Hoare triple {21208#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21209#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 10:22:37,485 INFO L290 TraceCheckUtils]: 41: Hoare triple {21209#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21210#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 10:22:37,485 INFO L290 TraceCheckUtils]: 42: Hoare triple {21210#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21211#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 10:22:37,486 INFO L290 TraceCheckUtils]: 43: Hoare triple {21211#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21212#(and (<= main_~z~0 36) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} is VALID [2022-04-28 10:22:37,486 INFO L290 TraceCheckUtils]: 44: Hoare triple {21212#(and (<= main_~z~0 36) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} assume !(~z~0 % 4294967296 < 268435455); {21172#false} is VALID [2022-04-28 10:22:37,486 INFO L272 TraceCheckUtils]: 45: Hoare triple {21172#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {21172#false} is VALID [2022-04-28 10:22:37,487 INFO L290 TraceCheckUtils]: 46: Hoare triple {21172#false} ~cond := #in~cond; {21172#false} is VALID [2022-04-28 10:22:37,487 INFO L290 TraceCheckUtils]: 47: Hoare triple {21172#false} assume 0 == ~cond; {21172#false} is VALID [2022-04-28 10:22:37,487 INFO L290 TraceCheckUtils]: 48: Hoare triple {21172#false} assume !false; {21172#false} is VALID [2022-04-28 10:22:37,487 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:22:37,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 10:22:37,487 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463513761] [2022-04-28 10:22:37,487 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463513761] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 10:22:37,487 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [850234541] [2022-04-28 10:22:37,487 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-04-28 10:22:37,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:22:37,488 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 10:22:37,488 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 10:22:37,489 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2022-04-28 10:22:39,441 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 19 check-sat command(s) [2022-04-28 10:22:39,442 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 10:22:39,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 78 conjunts are in the unsatisfiable core [2022-04-28 10:22:39,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:22:39,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 10:22:39,846 INFO L272 TraceCheckUtils]: 0: Hoare triple {21171#true} call ULTIMATE.init(); {21171#true} is VALID [2022-04-28 10:22:39,846 INFO L290 TraceCheckUtils]: 1: Hoare triple {21171#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {21171#true} is VALID [2022-04-28 10:22:39,846 INFO L290 TraceCheckUtils]: 2: Hoare triple {21171#true} assume true; {21171#true} is VALID [2022-04-28 10:22:39,846 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {21171#true} {21171#true} #63#return; {21171#true} is VALID [2022-04-28 10:22:39,846 INFO L272 TraceCheckUtils]: 4: Hoare triple {21171#true} call #t~ret7 := main(); {21171#true} is VALID [2022-04-28 10:22:39,846 INFO L290 TraceCheckUtils]: 5: Hoare triple {21171#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {21171#true} is VALID [2022-04-28 10:22:39,846 INFO L290 TraceCheckUtils]: 6: Hoare triple {21171#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {21171#true} is VALID [2022-04-28 10:22:39,847 INFO L290 TraceCheckUtils]: 7: Hoare triple {21171#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {21176#(= main_~z~0 0)} is VALID [2022-04-28 10:22:39,847 INFO L290 TraceCheckUtils]: 8: Hoare triple {21176#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21177#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:22:39,848 INFO L290 TraceCheckUtils]: 9: Hoare triple {21177#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21178#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:22:39,848 INFO L290 TraceCheckUtils]: 10: Hoare triple {21178#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21179#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:22:39,849 INFO L290 TraceCheckUtils]: 11: Hoare triple {21179#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21180#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:22:39,849 INFO L290 TraceCheckUtils]: 12: Hoare triple {21180#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21181#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:22:39,849 INFO L290 TraceCheckUtils]: 13: Hoare triple {21181#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21182#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:22:39,850 INFO L290 TraceCheckUtils]: 14: Hoare triple {21182#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21183#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:22:39,850 INFO L290 TraceCheckUtils]: 15: Hoare triple {21183#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21184#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:22:39,851 INFO L290 TraceCheckUtils]: 16: Hoare triple {21184#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21185#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:22:39,851 INFO L290 TraceCheckUtils]: 17: Hoare triple {21185#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21186#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:22:39,852 INFO L290 TraceCheckUtils]: 18: Hoare triple {21186#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21187#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:22:39,852 INFO L290 TraceCheckUtils]: 19: Hoare triple {21187#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21188#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:22:39,853 INFO L290 TraceCheckUtils]: 20: Hoare triple {21188#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21189#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:22:39,853 INFO L290 TraceCheckUtils]: 21: Hoare triple {21189#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21190#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:22:39,854 INFO L290 TraceCheckUtils]: 22: Hoare triple {21190#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21191#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:22:39,854 INFO L290 TraceCheckUtils]: 23: Hoare triple {21191#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21192#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:22:39,855 INFO L290 TraceCheckUtils]: 24: Hoare triple {21192#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21193#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:22:39,867 INFO L290 TraceCheckUtils]: 25: Hoare triple {21193#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21194#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:22:39,868 INFO L290 TraceCheckUtils]: 26: Hoare triple {21194#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21195#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:22:39,868 INFO L290 TraceCheckUtils]: 27: Hoare triple {21195#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21196#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 10:22:39,869 INFO L290 TraceCheckUtils]: 28: Hoare triple {21196#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21197#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 10:22:39,869 INFO L290 TraceCheckUtils]: 29: Hoare triple {21197#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21198#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 10:22:39,870 INFO L290 TraceCheckUtils]: 30: Hoare triple {21198#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21199#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 10:22:39,870 INFO L290 TraceCheckUtils]: 31: Hoare triple {21199#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21200#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 10:22:39,871 INFO L290 TraceCheckUtils]: 32: Hoare triple {21200#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21201#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 10:22:39,871 INFO L290 TraceCheckUtils]: 33: Hoare triple {21201#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21202#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 10:22:39,872 INFO L290 TraceCheckUtils]: 34: Hoare triple {21202#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21203#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 10:22:39,872 INFO L290 TraceCheckUtils]: 35: Hoare triple {21203#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21204#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 10:22:39,873 INFO L290 TraceCheckUtils]: 36: Hoare triple {21204#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21205#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 10:22:39,873 INFO L290 TraceCheckUtils]: 37: Hoare triple {21205#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21206#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 10:22:39,874 INFO L290 TraceCheckUtils]: 38: Hoare triple {21206#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21207#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 10:22:39,874 INFO L290 TraceCheckUtils]: 39: Hoare triple {21207#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21208#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 10:22:39,875 INFO L290 TraceCheckUtils]: 40: Hoare triple {21208#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21209#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 10:22:39,876 INFO L290 TraceCheckUtils]: 41: Hoare triple {21209#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21210#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 10:22:39,876 INFO L290 TraceCheckUtils]: 42: Hoare triple {21210#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21211#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 10:22:39,877 INFO L290 TraceCheckUtils]: 43: Hoare triple {21211#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21346#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 10:22:39,877 INFO L290 TraceCheckUtils]: 44: Hoare triple {21346#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !(~z~0 % 4294967296 < 268435455); {21172#false} is VALID [2022-04-28 10:22:39,877 INFO L272 TraceCheckUtils]: 45: Hoare triple {21172#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {21172#false} is VALID [2022-04-28 10:22:39,877 INFO L290 TraceCheckUtils]: 46: Hoare triple {21172#false} ~cond := #in~cond; {21172#false} is VALID [2022-04-28 10:22:39,877 INFO L290 TraceCheckUtils]: 47: Hoare triple {21172#false} assume 0 == ~cond; {21172#false} is VALID [2022-04-28 10:22:39,877 INFO L290 TraceCheckUtils]: 48: Hoare triple {21172#false} assume !false; {21172#false} is VALID [2022-04-28 10:22:39,878 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:22:39,878 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 10:22:42,988 INFO L290 TraceCheckUtils]: 48: Hoare triple {21172#false} assume !false; {21172#false} is VALID [2022-04-28 10:22:42,988 INFO L290 TraceCheckUtils]: 47: Hoare triple {21365#(not (<= __VERIFIER_assert_~cond 0))} assume 0 == ~cond; {21172#false} is VALID [2022-04-28 10:22:42,989 INFO L290 TraceCheckUtils]: 46: Hoare triple {21369#(< 0 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {21365#(not (<= __VERIFIER_assert_~cond 0))} is VALID [2022-04-28 10:22:42,989 INFO L272 TraceCheckUtils]: 45: Hoare triple {21373#(= (mod main_~z~0 4) 0)} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {21369#(< 0 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-28 10:22:42,989 INFO L290 TraceCheckUtils]: 44: Hoare triple {21377#(or (< (mod main_~z~0 4294967296) 268435455) (= (mod main_~z~0 4) 0))} assume !(~z~0 % 4294967296 < 268435455); {21373#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 10:22:42,990 INFO L290 TraceCheckUtils]: 43: Hoare triple {21381#(or (< (mod (+ main_~z~0 1) 4294967296) 268435455) (= (mod (+ main_~z~0 1) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21377#(or (< (mod main_~z~0 4294967296) 268435455) (= (mod main_~z~0 4) 0))} is VALID [2022-04-28 10:22:42,991 INFO L290 TraceCheckUtils]: 42: Hoare triple {21385#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 2) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21381#(or (< (mod (+ main_~z~0 1) 4294967296) 268435455) (= (mod (+ main_~z~0 1) 4) 0))} is VALID [2022-04-28 10:22:42,992 INFO L290 TraceCheckUtils]: 41: Hoare triple {21389#(or (< (mod (+ main_~z~0 3) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21385#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 2) 4294967296) 268435455))} is VALID [2022-04-28 10:22:42,996 INFO L290 TraceCheckUtils]: 40: Hoare triple {21393#(or (= (mod main_~z~0 4) 0) (< (mod (+ main_~z~0 4) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21389#(or (< (mod (+ main_~z~0 3) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} is VALID [2022-04-28 10:22:42,996 INFO L290 TraceCheckUtils]: 39: Hoare triple {21397#(or (< (mod (+ 5 main_~z~0) 4294967296) 268435455) (= (mod (+ main_~z~0 1) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21393#(or (= (mod main_~z~0 4) 0) (< (mod (+ main_~z~0 4) 4294967296) 268435455))} is VALID [2022-04-28 10:22:42,998 INFO L290 TraceCheckUtils]: 38: Hoare triple {21401#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 6) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21397#(or (< (mod (+ 5 main_~z~0) 4294967296) 268435455) (= (mod (+ main_~z~0 1) 4) 0))} is VALID [2022-04-28 10:22:42,998 INFO L290 TraceCheckUtils]: 37: Hoare triple {21405#(or (< (mod (+ 7 main_~z~0) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21401#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 6) 4294967296) 268435455))} is VALID [2022-04-28 10:22:43,001 INFO L290 TraceCheckUtils]: 36: Hoare triple {21409#(or (< (mod (+ main_~z~0 8) 4294967296) 268435455) (= (mod main_~z~0 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21405#(or (< (mod (+ 7 main_~z~0) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} is VALID [2022-04-28 10:22:43,002 INFO L290 TraceCheckUtils]: 35: Hoare triple {21413#(or (= (mod (+ main_~z~0 1) 4) 0) (< (mod (+ main_~z~0 9) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21409#(or (< (mod (+ main_~z~0 8) 4294967296) 268435455) (= (mod main_~z~0 4) 0))} is VALID [2022-04-28 10:22:43,003 INFO L290 TraceCheckUtils]: 34: Hoare triple {21417#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 10) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21413#(or (= (mod (+ main_~z~0 1) 4) 0) (< (mod (+ main_~z~0 9) 4294967296) 268435455))} is VALID [2022-04-28 10:22:43,003 INFO L290 TraceCheckUtils]: 33: Hoare triple {21421#(or (< (mod (+ main_~z~0 11) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21417#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 10) 4294967296) 268435455))} is VALID [2022-04-28 10:22:43,007 INFO L290 TraceCheckUtils]: 32: Hoare triple {21425#(or (= (mod main_~z~0 4) 0) (< (mod (+ main_~z~0 12) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21421#(or (< (mod (+ main_~z~0 11) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} is VALID [2022-04-28 10:22:43,008 INFO L290 TraceCheckUtils]: 31: Hoare triple {21429#(or (< (mod (+ main_~z~0 13) 4294967296) 268435455) (= (mod (+ main_~z~0 1) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21425#(or (= (mod main_~z~0 4) 0) (< (mod (+ main_~z~0 12) 4294967296) 268435455))} is VALID [2022-04-28 10:22:43,008 INFO L290 TraceCheckUtils]: 30: Hoare triple {21433#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 14) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21429#(or (< (mod (+ main_~z~0 13) 4294967296) 268435455) (= (mod (+ main_~z~0 1) 4) 0))} is VALID [2022-04-28 10:22:43,009 INFO L290 TraceCheckUtils]: 29: Hoare triple {21437#(or (< (mod (+ main_~z~0 15) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21433#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 14) 4294967296) 268435455))} is VALID [2022-04-28 10:22:43,011 INFO L290 TraceCheckUtils]: 28: Hoare triple {21441#(or (< (mod (+ main_~z~0 16) 4294967296) 268435455) (= (mod main_~z~0 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21437#(or (< (mod (+ main_~z~0 15) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} is VALID [2022-04-28 10:22:43,012 INFO L290 TraceCheckUtils]: 27: Hoare triple {21445#(or (< (mod (+ main_~z~0 17) 4294967296) 268435455) (= (mod (+ main_~z~0 1) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21441#(or (< (mod (+ main_~z~0 16) 4294967296) 268435455) (= (mod main_~z~0 4) 0))} is VALID [2022-04-28 10:22:43,013 INFO L290 TraceCheckUtils]: 26: Hoare triple {21449#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 18) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21445#(or (< (mod (+ main_~z~0 17) 4294967296) 268435455) (= (mod (+ main_~z~0 1) 4) 0))} is VALID [2022-04-28 10:22:43,013 INFO L290 TraceCheckUtils]: 25: Hoare triple {21453#(or (< (mod (+ 19 main_~z~0) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21449#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 18) 4294967296) 268435455))} is VALID [2022-04-28 10:22:43,022 INFO L290 TraceCheckUtils]: 24: Hoare triple {21457#(or (< (mod (+ main_~z~0 20) 4294967296) 268435455) (= (mod main_~z~0 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21453#(or (< (mod (+ 19 main_~z~0) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} is VALID [2022-04-28 10:22:43,023 INFO L290 TraceCheckUtils]: 23: Hoare triple {21461#(or (< (mod (+ main_~z~0 21) 4294967296) 268435455) (= (mod (+ main_~z~0 1) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21457#(or (< (mod (+ main_~z~0 20) 4294967296) 268435455) (= (mod main_~z~0 4) 0))} is VALID [2022-04-28 10:22:43,024 INFO L290 TraceCheckUtils]: 22: Hoare triple {21465#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 22) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21461#(or (< (mod (+ main_~z~0 21) 4294967296) 268435455) (= (mod (+ main_~z~0 1) 4) 0))} is VALID [2022-04-28 10:22:43,025 INFO L290 TraceCheckUtils]: 21: Hoare triple {21469#(or (< (mod (+ 23 main_~z~0) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21465#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 22) 4294967296) 268435455))} is VALID [2022-04-28 10:22:43,026 INFO L290 TraceCheckUtils]: 20: Hoare triple {21473#(or (< (mod (+ main_~z~0 24) 4294967296) 268435455) (= (mod main_~z~0 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21469#(or (< (mod (+ 23 main_~z~0) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} is VALID [2022-04-28 10:22:43,027 INFO L290 TraceCheckUtils]: 19: Hoare triple {21477#(or (= (mod (+ main_~z~0 1) 4) 0) (< (mod (+ main_~z~0 25) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21473#(or (< (mod (+ main_~z~0 24) 4294967296) 268435455) (= (mod main_~z~0 4) 0))} is VALID [2022-04-28 10:22:43,028 INFO L290 TraceCheckUtils]: 18: Hoare triple {21481#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 26) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21477#(or (= (mod (+ main_~z~0 1) 4) 0) (< (mod (+ main_~z~0 25) 4294967296) 268435455))} is VALID [2022-04-28 10:22:43,029 INFO L290 TraceCheckUtils]: 17: Hoare triple {21485#(or (< (mod (+ main_~z~0 27) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21481#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 26) 4294967296) 268435455))} is VALID [2022-04-28 10:22:43,031 INFO L290 TraceCheckUtils]: 16: Hoare triple {21489#(or (< (mod (+ main_~z~0 28) 4294967296) 268435455) (= (mod main_~z~0 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21485#(or (< (mod (+ main_~z~0 27) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} is VALID [2022-04-28 10:22:43,032 INFO L290 TraceCheckUtils]: 15: Hoare triple {21493#(or (= (mod (+ main_~z~0 1) 4) 0) (< (mod (+ 29 main_~z~0) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21489#(or (< (mod (+ main_~z~0 28) 4294967296) 268435455) (= (mod main_~z~0 4) 0))} is VALID [2022-04-28 10:22:43,033 INFO L290 TraceCheckUtils]: 14: Hoare triple {21497#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ 30 main_~z~0) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21493#(or (= (mod (+ main_~z~0 1) 4) 0) (< (mod (+ 29 main_~z~0) 4294967296) 268435455))} is VALID [2022-04-28 10:22:43,033 INFO L290 TraceCheckUtils]: 13: Hoare triple {21501#(or (< (mod (+ main_~z~0 31) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21497#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ 30 main_~z~0) 4294967296) 268435455))} is VALID [2022-04-28 10:22:43,037 INFO L290 TraceCheckUtils]: 12: Hoare triple {21505#(or (< (mod (+ 32 main_~z~0) 4294967296) 268435455) (= (mod main_~z~0 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21501#(or (< (mod (+ main_~z~0 31) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} is VALID [2022-04-28 10:22:43,038 INFO L290 TraceCheckUtils]: 11: Hoare triple {21509#(or (< (mod (+ main_~z~0 33) 4294967296) 268435455) (= (mod (+ main_~z~0 1) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21505#(or (< (mod (+ 32 main_~z~0) 4294967296) 268435455) (= (mod main_~z~0 4) 0))} is VALID [2022-04-28 10:22:43,039 INFO L290 TraceCheckUtils]: 10: Hoare triple {21513#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 34) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21509#(or (< (mod (+ main_~z~0 33) 4294967296) 268435455) (= (mod (+ main_~z~0 1) 4) 0))} is VALID [2022-04-28 10:22:43,039 INFO L290 TraceCheckUtils]: 9: Hoare triple {21517#(or (< (mod (+ 35 main_~z~0) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21513#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 34) 4294967296) 268435455))} is VALID [2022-04-28 10:22:43,041 INFO L290 TraceCheckUtils]: 8: Hoare triple {21521#(or (< (mod (+ main_~z~0 36) 4294967296) 268435455) (= (mod main_~z~0 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {21517#(or (< (mod (+ 35 main_~z~0) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} is VALID [2022-04-28 10:22:43,042 INFO L290 TraceCheckUtils]: 7: Hoare triple {21171#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {21521#(or (< (mod (+ main_~z~0 36) 4294967296) 268435455) (= (mod main_~z~0 4) 0))} is VALID [2022-04-28 10:22:43,042 INFO L290 TraceCheckUtils]: 6: Hoare triple {21171#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {21171#true} is VALID [2022-04-28 10:22:43,042 INFO L290 TraceCheckUtils]: 5: Hoare triple {21171#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {21171#true} is VALID [2022-04-28 10:22:43,042 INFO L272 TraceCheckUtils]: 4: Hoare triple {21171#true} call #t~ret7 := main(); {21171#true} is VALID [2022-04-28 10:22:43,042 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {21171#true} {21171#true} #63#return; {21171#true} is VALID [2022-04-28 10:22:43,042 INFO L290 TraceCheckUtils]: 2: Hoare triple {21171#true} assume true; {21171#true} is VALID [2022-04-28 10:22:43,042 INFO L290 TraceCheckUtils]: 1: Hoare triple {21171#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {21171#true} is VALID [2022-04-28 10:22:43,042 INFO L272 TraceCheckUtils]: 0: Hoare triple {21171#true} call ULTIMATE.init(); {21171#true} is VALID [2022-04-28 10:22:43,043 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:22:43,043 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [850234541] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 10:22:43,043 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 10:22:43,043 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 39, 42] total 81 [2022-04-28 10:22:43,043 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 10:22:43,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1606716893] [2022-04-28 10:22:43,043 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1606716893] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 10:22:43,043 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 10:22:43,043 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [40] imperfect sequences [] total 40 [2022-04-28 10:22:43,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81094452] [2022-04-28 10:22:43,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 10:22:43,044 INFO L78 Accepts]: Start accepts. Automaton has has 40 states, 40 states have (on average 1.125) internal successors, (45), 39 states have internal predecessors, (45), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 49 [2022-04-28 10:22:43,044 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 10:22:43,044 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 40 states, 40 states have (on average 1.125) internal successors, (45), 39 states have internal predecessors, (45), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:22:43,077 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 49 edges. 49 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:22:43,077 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2022-04-28 10:22:43,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 10:22:43,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2022-04-28 10:22:43,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1622, Invalid=4858, Unknown=0, NotChecked=0, Total=6480 [2022-04-28 10:22:43,078 INFO L87 Difference]: Start difference. First operand 58 states and 62 transitions. Second operand has 40 states, 40 states have (on average 1.125) internal successors, (45), 39 states have internal predecessors, (45), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:22:46,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:22:46,132 INFO L93 Difference]: Finished difference Result 111 states and 120 transitions. [2022-04-28 10:22:46,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-04-28 10:22:46,132 INFO L78 Accepts]: Start accepts. Automaton has has 40 states, 40 states have (on average 1.125) internal successors, (45), 39 states have internal predecessors, (45), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 49 [2022-04-28 10:22:46,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 10:22:46,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 40 states have (on average 1.125) internal successors, (45), 39 states have internal predecessors, (45), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:22:46,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 82 transitions. [2022-04-28 10:22:46,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 40 states have (on average 1.125) internal successors, (45), 39 states have internal predecessors, (45), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:22:46,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 82 transitions. [2022-04-28 10:22:46,134 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 40 states and 82 transitions. [2022-04-28 10:22:46,184 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 82 edges. 82 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:22:46,185 INFO L225 Difference]: With dead ends: 111 [2022-04-28 10:22:46,185 INFO L226 Difference]: Without dead ends: 60 [2022-04-28 10:22:46,186 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 60 SyntacticMatches, 1 SemanticMatches, 116 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 885 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=3220, Invalid=10586, Unknown=0, NotChecked=0, Total=13806 [2022-04-28 10:22:46,186 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 18 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 1587 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 1667 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 1587 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-04-28 10:22:46,187 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 83 Invalid, 1667 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 1587 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-04-28 10:22:46,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2022-04-28 10:22:46,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 59. [2022-04-28 10:22:46,242 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 10:22:46,242 INFO L82 GeneralOperation]: Start isEquivalent. First operand 60 states. Second operand has 59 states, 51 states have (on average 1.0784313725490196) internal successors, (55), 52 states have internal predecessors, (55), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:22:46,243 INFO L74 IsIncluded]: Start isIncluded. First operand 60 states. Second operand has 59 states, 51 states have (on average 1.0784313725490196) internal successors, (55), 52 states have internal predecessors, (55), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:22:46,243 INFO L87 Difference]: Start difference. First operand 60 states. Second operand has 59 states, 51 states have (on average 1.0784313725490196) internal successors, (55), 52 states have internal predecessors, (55), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:22:46,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:22:46,243 INFO L93 Difference]: Finished difference Result 60 states and 64 transitions. [2022-04-28 10:22:46,243 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 64 transitions. [2022-04-28 10:22:46,251 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:22:46,251 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:22:46,251 INFO L74 IsIncluded]: Start isIncluded. First operand has 59 states, 51 states have (on average 1.0784313725490196) internal successors, (55), 52 states have internal predecessors, (55), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 60 states. [2022-04-28 10:22:46,251 INFO L87 Difference]: Start difference. First operand has 59 states, 51 states have (on average 1.0784313725490196) internal successors, (55), 52 states have internal predecessors, (55), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 60 states. [2022-04-28 10:22:46,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:22:46,252 INFO L93 Difference]: Finished difference Result 60 states and 64 transitions. [2022-04-28 10:22:46,252 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 64 transitions. [2022-04-28 10:22:46,252 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:22:46,252 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:22:46,252 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 10:22:46,252 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 10:22:46,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 51 states have (on average 1.0784313725490196) internal successors, (55), 52 states have internal predecessors, (55), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:22:46,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 63 transitions. [2022-04-28 10:22:46,253 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 63 transitions. Word has length 49 [2022-04-28 10:22:46,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 10:22:46,253 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 63 transitions. [2022-04-28 10:22:46,253 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 1.125) internal successors, (45), 39 states have internal predecessors, (45), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:22:46,253 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 59 states and 63 transitions. [2022-04-28 10:22:46,308 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 63 edges. 63 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:22:46,308 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 63 transitions. [2022-04-28 10:22:46,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-04-28 10:22:46,309 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 10:22:46,309 INFO L195 NwaCegarLoop]: trace histogram [37, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 10:22:46,313 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2022-04-28 10:22:46,513 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2022-04-28 10:22:46,513 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 10:22:46,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 10:22:46,513 INFO L85 PathProgramCache]: Analyzing trace with hash 384095586, now seen corresponding path program 73 times [2022-04-28 10:22:46,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 10:22:46,513 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1342014423] [2022-04-28 10:22:46,515 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-28 10:22:46,515 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-28 10:22:46,515 INFO L85 PathProgramCache]: Analyzing trace with hash 384095586, now seen corresponding path program 74 times [2022-04-28 10:22:46,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 10:22:46,516 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546124494] [2022-04-28 10:22:46,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 10:22:46,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 10:22:46,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:22:47,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 10:22:47,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:22:47,288 INFO L290 TraceCheckUtils]: 0: Hoare triple {22126#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {22083#true} is VALID [2022-04-28 10:22:47,288 INFO L290 TraceCheckUtils]: 1: Hoare triple {22083#true} assume true; {22083#true} is VALID [2022-04-28 10:22:47,288 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {22083#true} {22083#true} #63#return; {22083#true} is VALID [2022-04-28 10:22:47,288 INFO L272 TraceCheckUtils]: 0: Hoare triple {22083#true} call ULTIMATE.init(); {22126#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 10:22:47,289 INFO L290 TraceCheckUtils]: 1: Hoare triple {22126#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {22083#true} is VALID [2022-04-28 10:22:47,289 INFO L290 TraceCheckUtils]: 2: Hoare triple {22083#true} assume true; {22083#true} is VALID [2022-04-28 10:22:47,289 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {22083#true} {22083#true} #63#return; {22083#true} is VALID [2022-04-28 10:22:47,289 INFO L272 TraceCheckUtils]: 4: Hoare triple {22083#true} call #t~ret7 := main(); {22083#true} is VALID [2022-04-28 10:22:47,289 INFO L290 TraceCheckUtils]: 5: Hoare triple {22083#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {22083#true} is VALID [2022-04-28 10:22:47,289 INFO L290 TraceCheckUtils]: 6: Hoare triple {22083#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {22083#true} is VALID [2022-04-28 10:22:47,289 INFO L290 TraceCheckUtils]: 7: Hoare triple {22083#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {22088#(= main_~z~0 0)} is VALID [2022-04-28 10:22:47,290 INFO L290 TraceCheckUtils]: 8: Hoare triple {22088#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22089#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:22:47,290 INFO L290 TraceCheckUtils]: 9: Hoare triple {22089#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22090#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:22:47,291 INFO L290 TraceCheckUtils]: 10: Hoare triple {22090#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22091#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:22:47,291 INFO L290 TraceCheckUtils]: 11: Hoare triple {22091#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22092#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:22:47,292 INFO L290 TraceCheckUtils]: 12: Hoare triple {22092#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22093#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:22:47,292 INFO L290 TraceCheckUtils]: 13: Hoare triple {22093#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22094#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:22:47,293 INFO L290 TraceCheckUtils]: 14: Hoare triple {22094#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22095#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:22:47,293 INFO L290 TraceCheckUtils]: 15: Hoare triple {22095#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22096#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:22:47,294 INFO L290 TraceCheckUtils]: 16: Hoare triple {22096#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22097#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:22:47,294 INFO L290 TraceCheckUtils]: 17: Hoare triple {22097#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22098#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:22:47,295 INFO L290 TraceCheckUtils]: 18: Hoare triple {22098#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22099#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:22:47,295 INFO L290 TraceCheckUtils]: 19: Hoare triple {22099#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22100#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:22:47,296 INFO L290 TraceCheckUtils]: 20: Hoare triple {22100#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22101#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:22:47,296 INFO L290 TraceCheckUtils]: 21: Hoare triple {22101#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22102#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:22:47,297 INFO L290 TraceCheckUtils]: 22: Hoare triple {22102#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22103#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:22:47,297 INFO L290 TraceCheckUtils]: 23: Hoare triple {22103#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22104#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:22:47,298 INFO L290 TraceCheckUtils]: 24: Hoare triple {22104#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22105#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:22:47,298 INFO L290 TraceCheckUtils]: 25: Hoare triple {22105#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22106#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:22:47,299 INFO L290 TraceCheckUtils]: 26: Hoare triple {22106#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22107#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:22:47,299 INFO L290 TraceCheckUtils]: 27: Hoare triple {22107#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22108#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 10:22:47,300 INFO L290 TraceCheckUtils]: 28: Hoare triple {22108#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22109#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 10:22:47,300 INFO L290 TraceCheckUtils]: 29: Hoare triple {22109#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22110#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 10:22:47,301 INFO L290 TraceCheckUtils]: 30: Hoare triple {22110#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22111#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 10:22:47,301 INFO L290 TraceCheckUtils]: 31: Hoare triple {22111#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22112#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 10:22:47,302 INFO L290 TraceCheckUtils]: 32: Hoare triple {22112#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22113#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 10:22:47,302 INFO L290 TraceCheckUtils]: 33: Hoare triple {22113#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22114#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 10:22:47,303 INFO L290 TraceCheckUtils]: 34: Hoare triple {22114#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22115#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 10:22:47,303 INFO L290 TraceCheckUtils]: 35: Hoare triple {22115#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22116#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 10:22:47,304 INFO L290 TraceCheckUtils]: 36: Hoare triple {22116#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22117#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 10:22:47,304 INFO L290 TraceCheckUtils]: 37: Hoare triple {22117#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22118#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 10:22:47,305 INFO L290 TraceCheckUtils]: 38: Hoare triple {22118#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22119#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 10:22:47,305 INFO L290 TraceCheckUtils]: 39: Hoare triple {22119#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22120#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 10:22:47,306 INFO L290 TraceCheckUtils]: 40: Hoare triple {22120#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22121#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 10:22:47,306 INFO L290 TraceCheckUtils]: 41: Hoare triple {22121#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22122#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 10:22:47,307 INFO L290 TraceCheckUtils]: 42: Hoare triple {22122#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22123#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 10:22:47,307 INFO L290 TraceCheckUtils]: 43: Hoare triple {22123#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22124#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 10:22:47,308 INFO L290 TraceCheckUtils]: 44: Hoare triple {22124#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22125#(and (<= main_~z~0 37) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} is VALID [2022-04-28 10:22:47,308 INFO L290 TraceCheckUtils]: 45: Hoare triple {22125#(and (<= main_~z~0 37) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} assume !(~z~0 % 4294967296 < 268435455); {22084#false} is VALID [2022-04-28 10:22:47,308 INFO L272 TraceCheckUtils]: 46: Hoare triple {22084#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {22084#false} is VALID [2022-04-28 10:22:47,308 INFO L290 TraceCheckUtils]: 47: Hoare triple {22084#false} ~cond := #in~cond; {22084#false} is VALID [2022-04-28 10:22:47,308 INFO L290 TraceCheckUtils]: 48: Hoare triple {22084#false} assume 0 == ~cond; {22084#false} is VALID [2022-04-28 10:22:47,308 INFO L290 TraceCheckUtils]: 49: Hoare triple {22084#false} assume !false; {22084#false} is VALID [2022-04-28 10:22:47,309 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:22:47,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 10:22:47,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546124494] [2022-04-28 10:22:47,309 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [546124494] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 10:22:47,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [884449005] [2022-04-28 10:22:47,309 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-28 10:22:47,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:22:47,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 10:22:47,310 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 10:22:47,311 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2022-04-28 10:22:47,375 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-28 10:22:47,375 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 10:22:47,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 77 conjunts are in the unsatisfiable core [2022-04-28 10:22:47,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:22:47,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 10:22:47,820 INFO L272 TraceCheckUtils]: 0: Hoare triple {22083#true} call ULTIMATE.init(); {22083#true} is VALID [2022-04-28 10:22:47,820 INFO L290 TraceCheckUtils]: 1: Hoare triple {22083#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {22083#true} is VALID [2022-04-28 10:22:47,820 INFO L290 TraceCheckUtils]: 2: Hoare triple {22083#true} assume true; {22083#true} is VALID [2022-04-28 10:22:47,821 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {22083#true} {22083#true} #63#return; {22083#true} is VALID [2022-04-28 10:22:47,821 INFO L272 TraceCheckUtils]: 4: Hoare triple {22083#true} call #t~ret7 := main(); {22083#true} is VALID [2022-04-28 10:22:47,821 INFO L290 TraceCheckUtils]: 5: Hoare triple {22083#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {22083#true} is VALID [2022-04-28 10:22:47,821 INFO L290 TraceCheckUtils]: 6: Hoare triple {22083#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {22083#true} is VALID [2022-04-28 10:22:47,821 INFO L290 TraceCheckUtils]: 7: Hoare triple {22083#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {22088#(= main_~z~0 0)} is VALID [2022-04-28 10:22:47,821 INFO L290 TraceCheckUtils]: 8: Hoare triple {22088#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22089#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:22:47,834 INFO L290 TraceCheckUtils]: 9: Hoare triple {22089#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22090#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:22:47,834 INFO L290 TraceCheckUtils]: 10: Hoare triple {22090#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22091#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:22:47,835 INFO L290 TraceCheckUtils]: 11: Hoare triple {22091#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22092#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:22:47,835 INFO L290 TraceCheckUtils]: 12: Hoare triple {22092#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22093#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:22:47,836 INFO L290 TraceCheckUtils]: 13: Hoare triple {22093#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22094#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:22:47,836 INFO L290 TraceCheckUtils]: 14: Hoare triple {22094#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22095#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:22:47,837 INFO L290 TraceCheckUtils]: 15: Hoare triple {22095#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22096#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:22:47,837 INFO L290 TraceCheckUtils]: 16: Hoare triple {22096#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22097#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:22:47,838 INFO L290 TraceCheckUtils]: 17: Hoare triple {22097#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22098#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:22:47,838 INFO L290 TraceCheckUtils]: 18: Hoare triple {22098#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22099#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:22:47,838 INFO L290 TraceCheckUtils]: 19: Hoare triple {22099#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22100#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:22:47,839 INFO L290 TraceCheckUtils]: 20: Hoare triple {22100#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22101#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:22:47,839 INFO L290 TraceCheckUtils]: 21: Hoare triple {22101#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22102#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:22:47,840 INFO L290 TraceCheckUtils]: 22: Hoare triple {22102#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22103#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:22:47,840 INFO L290 TraceCheckUtils]: 23: Hoare triple {22103#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22104#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:22:47,841 INFO L290 TraceCheckUtils]: 24: Hoare triple {22104#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22105#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:22:47,841 INFO L290 TraceCheckUtils]: 25: Hoare triple {22105#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22106#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:22:47,842 INFO L290 TraceCheckUtils]: 26: Hoare triple {22106#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22107#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:22:47,842 INFO L290 TraceCheckUtils]: 27: Hoare triple {22107#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22108#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 10:22:47,843 INFO L290 TraceCheckUtils]: 28: Hoare triple {22108#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22109#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 10:22:47,843 INFO L290 TraceCheckUtils]: 29: Hoare triple {22109#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22110#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 10:22:47,843 INFO L290 TraceCheckUtils]: 30: Hoare triple {22110#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22111#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 10:22:47,844 INFO L290 TraceCheckUtils]: 31: Hoare triple {22111#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22112#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 10:22:47,844 INFO L290 TraceCheckUtils]: 32: Hoare triple {22112#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22113#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 10:22:47,845 INFO L290 TraceCheckUtils]: 33: Hoare triple {22113#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22114#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 10:22:47,845 INFO L290 TraceCheckUtils]: 34: Hoare triple {22114#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22115#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 10:22:47,846 INFO L290 TraceCheckUtils]: 35: Hoare triple {22115#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22116#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 10:22:47,846 INFO L290 TraceCheckUtils]: 36: Hoare triple {22116#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22117#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 10:22:47,847 INFO L290 TraceCheckUtils]: 37: Hoare triple {22117#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22118#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 10:22:47,847 INFO L290 TraceCheckUtils]: 38: Hoare triple {22118#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22119#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 10:22:47,848 INFO L290 TraceCheckUtils]: 39: Hoare triple {22119#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22120#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 10:22:47,848 INFO L290 TraceCheckUtils]: 40: Hoare triple {22120#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22121#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 10:22:47,848 INFO L290 TraceCheckUtils]: 41: Hoare triple {22121#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22122#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 10:22:47,849 INFO L290 TraceCheckUtils]: 42: Hoare triple {22122#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22123#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 10:22:47,849 INFO L290 TraceCheckUtils]: 43: Hoare triple {22123#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22124#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 10:22:47,850 INFO L290 TraceCheckUtils]: 44: Hoare triple {22124#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22262#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 10:22:47,850 INFO L290 TraceCheckUtils]: 45: Hoare triple {22262#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !(~z~0 % 4294967296 < 268435455); {22084#false} is VALID [2022-04-28 10:22:47,850 INFO L272 TraceCheckUtils]: 46: Hoare triple {22084#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {22084#false} is VALID [2022-04-28 10:22:47,850 INFO L290 TraceCheckUtils]: 47: Hoare triple {22084#false} ~cond := #in~cond; {22084#false} is VALID [2022-04-28 10:22:47,850 INFO L290 TraceCheckUtils]: 48: Hoare triple {22084#false} assume 0 == ~cond; {22084#false} is VALID [2022-04-28 10:22:47,851 INFO L290 TraceCheckUtils]: 49: Hoare triple {22084#false} assume !false; {22084#false} is VALID [2022-04-28 10:22:47,851 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:22:47,851 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 10:22:49,932 INFO L290 TraceCheckUtils]: 49: Hoare triple {22084#false} assume !false; {22084#false} is VALID [2022-04-28 10:22:49,932 INFO L290 TraceCheckUtils]: 48: Hoare triple {22084#false} assume 0 == ~cond; {22084#false} is VALID [2022-04-28 10:22:49,932 INFO L290 TraceCheckUtils]: 47: Hoare triple {22084#false} ~cond := #in~cond; {22084#false} is VALID [2022-04-28 10:22:49,932 INFO L272 TraceCheckUtils]: 46: Hoare triple {22084#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {22084#false} is VALID [2022-04-28 10:22:49,932 INFO L290 TraceCheckUtils]: 45: Hoare triple {22290#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {22084#false} is VALID [2022-04-28 10:22:49,933 INFO L290 TraceCheckUtils]: 44: Hoare triple {22294#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22290#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 10:22:49,934 INFO L290 TraceCheckUtils]: 43: Hoare triple {22298#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22294#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 10:22:50,003 INFO L290 TraceCheckUtils]: 42: Hoare triple {22302#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22298#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 10:22:50,004 INFO L290 TraceCheckUtils]: 41: Hoare triple {22306#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22302#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 10:22:50,004 INFO L290 TraceCheckUtils]: 40: Hoare triple {22310#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22306#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 10:22:50,005 INFO L290 TraceCheckUtils]: 39: Hoare triple {22314#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22310#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:22:50,006 INFO L290 TraceCheckUtils]: 38: Hoare triple {22318#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22314#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} is VALID [2022-04-28 10:22:50,006 INFO L290 TraceCheckUtils]: 37: Hoare triple {22322#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22318#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:22:50,007 INFO L290 TraceCheckUtils]: 36: Hoare triple {22326#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22322#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} is VALID [2022-04-28 10:22:50,008 INFO L290 TraceCheckUtils]: 35: Hoare triple {22330#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22326#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} is VALID [2022-04-28 10:22:50,008 INFO L290 TraceCheckUtils]: 34: Hoare triple {22334#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22330#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} is VALID [2022-04-28 10:22:50,009 INFO L290 TraceCheckUtils]: 33: Hoare triple {22338#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22334#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} is VALID [2022-04-28 10:22:50,010 INFO L290 TraceCheckUtils]: 32: Hoare triple {22342#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22338#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} is VALID [2022-04-28 10:22:50,010 INFO L290 TraceCheckUtils]: 31: Hoare triple {22346#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22342#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} is VALID [2022-04-28 10:22:50,011 INFO L290 TraceCheckUtils]: 30: Hoare triple {22350#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22346#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} is VALID [2022-04-28 10:22:50,011 INFO L290 TraceCheckUtils]: 29: Hoare triple {22354#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22350#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} is VALID [2022-04-28 10:22:50,012 INFO L290 TraceCheckUtils]: 28: Hoare triple {22358#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22354#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} is VALID [2022-04-28 10:22:50,012 INFO L290 TraceCheckUtils]: 27: Hoare triple {22362#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22358#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} is VALID [2022-04-28 10:22:50,013 INFO L290 TraceCheckUtils]: 26: Hoare triple {22366#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22362#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} is VALID [2022-04-28 10:22:50,014 INFO L290 TraceCheckUtils]: 25: Hoare triple {22370#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22366#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:22:50,014 INFO L290 TraceCheckUtils]: 24: Hoare triple {22374#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22370#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} is VALID [2022-04-28 10:22:50,015 INFO L290 TraceCheckUtils]: 23: Hoare triple {22378#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22374#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} is VALID [2022-04-28 10:22:50,015 INFO L290 TraceCheckUtils]: 22: Hoare triple {22382#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22378#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} is VALID [2022-04-28 10:22:50,016 INFO L290 TraceCheckUtils]: 21: Hoare triple {22386#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22382#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:22:50,016 INFO L290 TraceCheckUtils]: 20: Hoare triple {22390#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22386#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} is VALID [2022-04-28 10:22:50,020 INFO L290 TraceCheckUtils]: 19: Hoare triple {22394#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22390#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} is VALID [2022-04-28 10:22:50,020 INFO L290 TraceCheckUtils]: 18: Hoare triple {22398#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22394#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} is VALID [2022-04-28 10:22:50,021 INFO L290 TraceCheckUtils]: 17: Hoare triple {22402#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22398#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} is VALID [2022-04-28 10:22:50,022 INFO L290 TraceCheckUtils]: 16: Hoare triple {22406#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22402#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} is VALID [2022-04-28 10:22:50,022 INFO L290 TraceCheckUtils]: 15: Hoare triple {22410#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22406#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:22:50,023 INFO L290 TraceCheckUtils]: 14: Hoare triple {22414#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22410#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:22:50,023 INFO L290 TraceCheckUtils]: 13: Hoare triple {22418#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22414#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} is VALID [2022-04-28 10:22:50,024 INFO L290 TraceCheckUtils]: 12: Hoare triple {22422#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22418#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:22:50,024 INFO L290 TraceCheckUtils]: 11: Hoare triple {22426#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22422#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} is VALID [2022-04-28 10:22:50,025 INFO L290 TraceCheckUtils]: 10: Hoare triple {22430#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22426#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} is VALID [2022-04-28 10:22:50,025 INFO L290 TraceCheckUtils]: 9: Hoare triple {22434#(< (mod (+ main_~z~0 36) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22430#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:22:50,026 INFO L290 TraceCheckUtils]: 8: Hoare triple {22438#(< (mod (+ main_~z~0 37) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {22434#(< (mod (+ main_~z~0 36) 4294967296) 268435455)} is VALID [2022-04-28 10:22:50,026 INFO L290 TraceCheckUtils]: 7: Hoare triple {22083#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {22438#(< (mod (+ main_~z~0 37) 4294967296) 268435455)} is VALID [2022-04-28 10:22:50,026 INFO L290 TraceCheckUtils]: 6: Hoare triple {22083#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {22083#true} is VALID [2022-04-28 10:22:50,027 INFO L290 TraceCheckUtils]: 5: Hoare triple {22083#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {22083#true} is VALID [2022-04-28 10:22:50,027 INFO L272 TraceCheckUtils]: 4: Hoare triple {22083#true} call #t~ret7 := main(); {22083#true} is VALID [2022-04-28 10:22:50,027 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {22083#true} {22083#true} #63#return; {22083#true} is VALID [2022-04-28 10:22:50,027 INFO L290 TraceCheckUtils]: 2: Hoare triple {22083#true} assume true; {22083#true} is VALID [2022-04-28 10:22:50,027 INFO L290 TraceCheckUtils]: 1: Hoare triple {22083#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {22083#true} is VALID [2022-04-28 10:22:50,027 INFO L272 TraceCheckUtils]: 0: Hoare triple {22083#true} call ULTIMATE.init(); {22083#true} is VALID [2022-04-28 10:22:50,027 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:22:50,027 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [884449005] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 10:22:50,027 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 10:22:50,028 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 40, 40] total 80 [2022-04-28 10:22:50,028 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 10:22:50,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1342014423] [2022-04-28 10:22:50,028 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1342014423] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 10:22:50,028 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 10:22:50,028 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [41] imperfect sequences [] total 41 [2022-04-28 10:22:50,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693119214] [2022-04-28 10:22:50,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 10:22:50,028 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 41 states have (on average 1.1219512195121952) internal successors, (46), 40 states have internal predecessors, (46), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 50 [2022-04-28 10:22:50,028 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 10:22:50,029 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 41 states, 41 states have (on average 1.1219512195121952) internal successors, (46), 40 states have internal predecessors, (46), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:22:50,054 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 50 edges. 50 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:22:50,054 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2022-04-28 10:22:50,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 10:22:50,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2022-04-28 10:22:50,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1677, Invalid=4643, Unknown=0, NotChecked=0, Total=6320 [2022-04-28 10:22:50,055 INFO L87 Difference]: Start difference. First operand 59 states and 63 transitions. Second operand has 41 states, 41 states have (on average 1.1219512195121952) internal successors, (46), 40 states have internal predecessors, (46), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:22:53,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:22:53,372 INFO L93 Difference]: Finished difference Result 113 states and 122 transitions. [2022-04-28 10:22:53,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-04-28 10:22:53,372 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 41 states have (on average 1.1219512195121952) internal successors, (46), 40 states have internal predecessors, (46), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 50 [2022-04-28 10:22:53,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 10:22:53,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 41 states have (on average 1.1219512195121952) internal successors, (46), 40 states have internal predecessors, (46), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:22:53,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 83 transitions. [2022-04-28 10:22:53,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 41 states have (on average 1.1219512195121952) internal successors, (46), 40 states have internal predecessors, (46), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:22:53,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 83 transitions. [2022-04-28 10:22:53,373 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 41 states and 83 transitions. [2022-04-28 10:22:53,423 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 83 edges. 83 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:22:53,423 INFO L225 Difference]: With dead ends: 113 [2022-04-28 10:22:53,423 INFO L226 Difference]: Without dead ends: 61 [2022-04-28 10:22:53,424 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 64 SyntacticMatches, 1 SemanticMatches, 116 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 783 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=3347, Invalid=10459, Unknown=0, NotChecked=0, Total=13806 [2022-04-28 10:22:53,425 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 17 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 1904 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 1985 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 1904 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-04-28 10:22:53,425 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 163 Invalid, 1985 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 1904 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-04-28 10:22:53,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2022-04-28 10:22:53,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 60. [2022-04-28 10:22:53,472 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 10:22:53,472 INFO L82 GeneralOperation]: Start isEquivalent. First operand 61 states. Second operand has 60 states, 52 states have (on average 1.0769230769230769) internal successors, (56), 53 states have internal predecessors, (56), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:22:53,472 INFO L74 IsIncluded]: Start isIncluded. First operand 61 states. Second operand has 60 states, 52 states have (on average 1.0769230769230769) internal successors, (56), 53 states have internal predecessors, (56), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:22:53,472 INFO L87 Difference]: Start difference. First operand 61 states. Second operand has 60 states, 52 states have (on average 1.0769230769230769) internal successors, (56), 53 states have internal predecessors, (56), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:22:53,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:22:53,473 INFO L93 Difference]: Finished difference Result 61 states and 65 transitions. [2022-04-28 10:22:53,473 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 65 transitions. [2022-04-28 10:22:53,473 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:22:53,473 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:22:53,473 INFO L74 IsIncluded]: Start isIncluded. First operand has 60 states, 52 states have (on average 1.0769230769230769) internal successors, (56), 53 states have internal predecessors, (56), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 61 states. [2022-04-28 10:22:53,473 INFO L87 Difference]: Start difference. First operand has 60 states, 52 states have (on average 1.0769230769230769) internal successors, (56), 53 states have internal predecessors, (56), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 61 states. [2022-04-28 10:22:53,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:22:53,475 INFO L93 Difference]: Finished difference Result 61 states and 65 transitions. [2022-04-28 10:22:53,475 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 65 transitions. [2022-04-28 10:22:53,476 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:22:53,476 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:22:53,476 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 10:22:53,476 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 10:22:53,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 52 states have (on average 1.0769230769230769) internal successors, (56), 53 states have internal predecessors, (56), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:22:53,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 64 transitions. [2022-04-28 10:22:53,477 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 64 transitions. Word has length 50 [2022-04-28 10:22:53,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 10:22:53,477 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 64 transitions. [2022-04-28 10:22:53,477 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 1.1219512195121952) internal successors, (46), 40 states have internal predecessors, (46), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:22:53,477 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 60 states and 64 transitions. [2022-04-28 10:22:53,534 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 64 edges. 64 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:22:53,534 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 64 transitions. [2022-04-28 10:22:53,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-04-28 10:22:53,534 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 10:22:53,534 INFO L195 NwaCegarLoop]: trace histogram [38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 10:22:53,550 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Ended with exit code 0 [2022-04-28 10:22:53,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,38 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:22:53,735 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 10:22:53,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 10:22:53,735 INFO L85 PathProgramCache]: Analyzing trace with hash -951636158, now seen corresponding path program 75 times [2022-04-28 10:22:53,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 10:22:53,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1007356830] [2022-04-28 10:22:53,737 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-28 10:22:53,737 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-28 10:22:53,737 INFO L85 PathProgramCache]: Analyzing trace with hash -951636158, now seen corresponding path program 76 times [2022-04-28 10:22:53,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 10:22:53,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832164291] [2022-04-28 10:22:53,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 10:22:53,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 10:22:53,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:22:54,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 10:22:54,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:22:54,523 INFO L290 TraceCheckUtils]: 0: Hoare triple {23054#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {23010#true} is VALID [2022-04-28 10:22:54,523 INFO L290 TraceCheckUtils]: 1: Hoare triple {23010#true} assume true; {23010#true} is VALID [2022-04-28 10:22:54,523 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {23010#true} {23010#true} #63#return; {23010#true} is VALID [2022-04-28 10:22:54,523 INFO L272 TraceCheckUtils]: 0: Hoare triple {23010#true} call ULTIMATE.init(); {23054#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 10:22:54,523 INFO L290 TraceCheckUtils]: 1: Hoare triple {23054#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {23010#true} is VALID [2022-04-28 10:22:54,523 INFO L290 TraceCheckUtils]: 2: Hoare triple {23010#true} assume true; {23010#true} is VALID [2022-04-28 10:22:54,523 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {23010#true} {23010#true} #63#return; {23010#true} is VALID [2022-04-28 10:22:54,523 INFO L272 TraceCheckUtils]: 4: Hoare triple {23010#true} call #t~ret7 := main(); {23010#true} is VALID [2022-04-28 10:22:54,524 INFO L290 TraceCheckUtils]: 5: Hoare triple {23010#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {23010#true} is VALID [2022-04-28 10:22:54,524 INFO L290 TraceCheckUtils]: 6: Hoare triple {23010#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {23010#true} is VALID [2022-04-28 10:22:54,524 INFO L290 TraceCheckUtils]: 7: Hoare triple {23010#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {23015#(= main_~z~0 0)} is VALID [2022-04-28 10:22:54,524 INFO L290 TraceCheckUtils]: 8: Hoare triple {23015#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23016#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:22:54,525 INFO L290 TraceCheckUtils]: 9: Hoare triple {23016#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23017#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:22:54,525 INFO L290 TraceCheckUtils]: 10: Hoare triple {23017#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23018#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:22:54,526 INFO L290 TraceCheckUtils]: 11: Hoare triple {23018#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23019#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:22:54,526 INFO L290 TraceCheckUtils]: 12: Hoare triple {23019#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23020#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:22:54,526 INFO L290 TraceCheckUtils]: 13: Hoare triple {23020#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23021#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:22:54,527 INFO L290 TraceCheckUtils]: 14: Hoare triple {23021#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23022#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:22:54,527 INFO L290 TraceCheckUtils]: 15: Hoare triple {23022#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23023#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:22:54,528 INFO L290 TraceCheckUtils]: 16: Hoare triple {23023#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23024#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:22:54,528 INFO L290 TraceCheckUtils]: 17: Hoare triple {23024#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23025#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:22:54,529 INFO L290 TraceCheckUtils]: 18: Hoare triple {23025#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23026#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:22:54,529 INFO L290 TraceCheckUtils]: 19: Hoare triple {23026#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23027#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:22:54,530 INFO L290 TraceCheckUtils]: 20: Hoare triple {23027#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23028#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:22:54,530 INFO L290 TraceCheckUtils]: 21: Hoare triple {23028#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23029#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:22:54,531 INFO L290 TraceCheckUtils]: 22: Hoare triple {23029#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23030#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:22:54,531 INFO L290 TraceCheckUtils]: 23: Hoare triple {23030#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23031#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:22:54,532 INFO L290 TraceCheckUtils]: 24: Hoare triple {23031#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23032#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:22:54,532 INFO L290 TraceCheckUtils]: 25: Hoare triple {23032#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23033#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:22:54,533 INFO L290 TraceCheckUtils]: 26: Hoare triple {23033#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23034#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:22:54,533 INFO L290 TraceCheckUtils]: 27: Hoare triple {23034#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23035#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 10:22:54,534 INFO L290 TraceCheckUtils]: 28: Hoare triple {23035#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23036#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 10:22:54,534 INFO L290 TraceCheckUtils]: 29: Hoare triple {23036#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23037#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 10:22:54,535 INFO L290 TraceCheckUtils]: 30: Hoare triple {23037#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23038#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 10:22:54,535 INFO L290 TraceCheckUtils]: 31: Hoare triple {23038#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23039#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 10:22:54,536 INFO L290 TraceCheckUtils]: 32: Hoare triple {23039#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23040#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 10:22:54,536 INFO L290 TraceCheckUtils]: 33: Hoare triple {23040#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23041#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 10:22:54,537 INFO L290 TraceCheckUtils]: 34: Hoare triple {23041#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23042#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 10:22:54,537 INFO L290 TraceCheckUtils]: 35: Hoare triple {23042#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23043#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 10:22:54,537 INFO L290 TraceCheckUtils]: 36: Hoare triple {23043#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23044#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 10:22:54,538 INFO L290 TraceCheckUtils]: 37: Hoare triple {23044#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23045#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 10:22:54,538 INFO L290 TraceCheckUtils]: 38: Hoare triple {23045#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23046#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 10:22:54,539 INFO L290 TraceCheckUtils]: 39: Hoare triple {23046#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23047#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 10:22:54,539 INFO L290 TraceCheckUtils]: 40: Hoare triple {23047#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23048#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 10:22:54,540 INFO L290 TraceCheckUtils]: 41: Hoare triple {23048#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23049#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 10:22:54,540 INFO L290 TraceCheckUtils]: 42: Hoare triple {23049#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23050#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 10:22:54,541 INFO L290 TraceCheckUtils]: 43: Hoare triple {23050#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23051#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 10:22:54,541 INFO L290 TraceCheckUtils]: 44: Hoare triple {23051#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23052#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 10:22:54,542 INFO L290 TraceCheckUtils]: 45: Hoare triple {23052#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23053#(and (<= main_~z~0 38) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} is VALID [2022-04-28 10:22:54,542 INFO L290 TraceCheckUtils]: 46: Hoare triple {23053#(and (<= main_~z~0 38) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} assume !(~z~0 % 4294967296 < 268435455); {23011#false} is VALID [2022-04-28 10:22:54,542 INFO L272 TraceCheckUtils]: 47: Hoare triple {23011#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {23011#false} is VALID [2022-04-28 10:22:54,542 INFO L290 TraceCheckUtils]: 48: Hoare triple {23011#false} ~cond := #in~cond; {23011#false} is VALID [2022-04-28 10:22:54,542 INFO L290 TraceCheckUtils]: 49: Hoare triple {23011#false} assume 0 == ~cond; {23011#false} is VALID [2022-04-28 10:22:54,542 INFO L290 TraceCheckUtils]: 50: Hoare triple {23011#false} assume !false; {23011#false} is VALID [2022-04-28 10:22:54,542 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:22:54,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 10:22:54,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832164291] [2022-04-28 10:22:54,543 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [832164291] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 10:22:54,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1826892353] [2022-04-28 10:22:54,543 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-28 10:22:54,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:22:54,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 10:22:54,544 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 10:22:54,544 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2022-04-28 10:22:54,665 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-28 10:22:54,665 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 10:22:54,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 79 conjunts are in the unsatisfiable core [2022-04-28 10:22:54,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:22:54,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 10:22:55,621 INFO L272 TraceCheckUtils]: 0: Hoare triple {23010#true} call ULTIMATE.init(); {23010#true} is VALID [2022-04-28 10:22:55,621 INFO L290 TraceCheckUtils]: 1: Hoare triple {23010#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {23010#true} is VALID [2022-04-28 10:22:55,621 INFO L290 TraceCheckUtils]: 2: Hoare triple {23010#true} assume true; {23010#true} is VALID [2022-04-28 10:22:55,621 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {23010#true} {23010#true} #63#return; {23010#true} is VALID [2022-04-28 10:22:55,621 INFO L272 TraceCheckUtils]: 4: Hoare triple {23010#true} call #t~ret7 := main(); {23010#true} is VALID [2022-04-28 10:22:55,621 INFO L290 TraceCheckUtils]: 5: Hoare triple {23010#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {23010#true} is VALID [2022-04-28 10:22:55,621 INFO L290 TraceCheckUtils]: 6: Hoare triple {23010#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {23010#true} is VALID [2022-04-28 10:22:55,622 INFO L290 TraceCheckUtils]: 7: Hoare triple {23010#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {23015#(= main_~z~0 0)} is VALID [2022-04-28 10:22:55,622 INFO L290 TraceCheckUtils]: 8: Hoare triple {23015#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23016#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:22:55,622 INFO L290 TraceCheckUtils]: 9: Hoare triple {23016#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23017#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:22:55,623 INFO L290 TraceCheckUtils]: 10: Hoare triple {23017#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23018#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:22:55,623 INFO L290 TraceCheckUtils]: 11: Hoare triple {23018#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23019#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:22:55,624 INFO L290 TraceCheckUtils]: 12: Hoare triple {23019#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23020#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:22:55,624 INFO L290 TraceCheckUtils]: 13: Hoare triple {23020#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23021#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:22:55,625 INFO L290 TraceCheckUtils]: 14: Hoare triple {23021#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23022#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:22:55,625 INFO L290 TraceCheckUtils]: 15: Hoare triple {23022#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23023#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:22:55,626 INFO L290 TraceCheckUtils]: 16: Hoare triple {23023#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23024#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:22:55,626 INFO L290 TraceCheckUtils]: 17: Hoare triple {23024#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23025#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:22:55,627 INFO L290 TraceCheckUtils]: 18: Hoare triple {23025#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23026#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:22:55,627 INFO L290 TraceCheckUtils]: 19: Hoare triple {23026#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23027#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:22:55,628 INFO L290 TraceCheckUtils]: 20: Hoare triple {23027#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23028#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:22:55,628 INFO L290 TraceCheckUtils]: 21: Hoare triple {23028#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23029#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:22:55,628 INFO L290 TraceCheckUtils]: 22: Hoare triple {23029#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23030#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:22:55,629 INFO L290 TraceCheckUtils]: 23: Hoare triple {23030#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23031#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:22:55,629 INFO L290 TraceCheckUtils]: 24: Hoare triple {23031#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23032#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:22:55,630 INFO L290 TraceCheckUtils]: 25: Hoare triple {23032#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23033#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:22:55,630 INFO L290 TraceCheckUtils]: 26: Hoare triple {23033#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23034#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:22:55,631 INFO L290 TraceCheckUtils]: 27: Hoare triple {23034#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23035#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 10:22:55,631 INFO L290 TraceCheckUtils]: 28: Hoare triple {23035#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23036#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 10:22:55,632 INFO L290 TraceCheckUtils]: 29: Hoare triple {23036#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23037#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 10:22:55,632 INFO L290 TraceCheckUtils]: 30: Hoare triple {23037#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23038#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 10:22:55,633 INFO L290 TraceCheckUtils]: 31: Hoare triple {23038#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23039#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 10:22:55,633 INFO L290 TraceCheckUtils]: 32: Hoare triple {23039#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23040#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 10:22:55,634 INFO L290 TraceCheckUtils]: 33: Hoare triple {23040#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23041#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 10:22:55,634 INFO L290 TraceCheckUtils]: 34: Hoare triple {23041#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23042#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 10:22:55,634 INFO L290 TraceCheckUtils]: 35: Hoare triple {23042#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23043#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 10:22:55,635 INFO L290 TraceCheckUtils]: 36: Hoare triple {23043#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23044#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 10:22:55,635 INFO L290 TraceCheckUtils]: 37: Hoare triple {23044#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23045#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 10:22:55,636 INFO L290 TraceCheckUtils]: 38: Hoare triple {23045#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23046#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 10:22:55,636 INFO L290 TraceCheckUtils]: 39: Hoare triple {23046#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23047#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 10:22:55,637 INFO L290 TraceCheckUtils]: 40: Hoare triple {23047#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23048#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 10:22:55,637 INFO L290 TraceCheckUtils]: 41: Hoare triple {23048#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23049#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 10:22:55,638 INFO L290 TraceCheckUtils]: 42: Hoare triple {23049#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23050#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 10:22:55,638 INFO L290 TraceCheckUtils]: 43: Hoare triple {23050#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23051#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 10:22:55,639 INFO L290 TraceCheckUtils]: 44: Hoare triple {23051#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23052#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 10:22:55,639 INFO L290 TraceCheckUtils]: 45: Hoare triple {23052#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23193#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 10:22:55,640 INFO L290 TraceCheckUtils]: 46: Hoare triple {23193#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !(~z~0 % 4294967296 < 268435455); {23011#false} is VALID [2022-04-28 10:22:55,640 INFO L272 TraceCheckUtils]: 47: Hoare triple {23011#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {23011#false} is VALID [2022-04-28 10:22:55,640 INFO L290 TraceCheckUtils]: 48: Hoare triple {23011#false} ~cond := #in~cond; {23011#false} is VALID [2022-04-28 10:22:55,640 INFO L290 TraceCheckUtils]: 49: Hoare triple {23011#false} assume 0 == ~cond; {23011#false} is VALID [2022-04-28 10:22:55,640 INFO L290 TraceCheckUtils]: 50: Hoare triple {23011#false} assume !false; {23011#false} is VALID [2022-04-28 10:22:55,640 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:22:55,640 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 10:22:57,825 INFO L290 TraceCheckUtils]: 50: Hoare triple {23011#false} assume !false; {23011#false} is VALID [2022-04-28 10:22:57,825 INFO L290 TraceCheckUtils]: 49: Hoare triple {23011#false} assume 0 == ~cond; {23011#false} is VALID [2022-04-28 10:22:57,825 INFO L290 TraceCheckUtils]: 48: Hoare triple {23011#false} ~cond := #in~cond; {23011#false} is VALID [2022-04-28 10:22:57,825 INFO L272 TraceCheckUtils]: 47: Hoare triple {23011#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {23011#false} is VALID [2022-04-28 10:22:57,826 INFO L290 TraceCheckUtils]: 46: Hoare triple {23221#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {23011#false} is VALID [2022-04-28 10:22:57,826 INFO L290 TraceCheckUtils]: 45: Hoare triple {23225#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23221#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 10:22:57,827 INFO L290 TraceCheckUtils]: 44: Hoare triple {23229#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23225#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 10:22:57,827 INFO L290 TraceCheckUtils]: 43: Hoare triple {23233#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23229#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 10:22:57,828 INFO L290 TraceCheckUtils]: 42: Hoare triple {23237#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23233#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 10:22:57,828 INFO L290 TraceCheckUtils]: 41: Hoare triple {23241#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23237#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 10:22:57,829 INFO L290 TraceCheckUtils]: 40: Hoare triple {23245#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23241#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:22:57,830 INFO L290 TraceCheckUtils]: 39: Hoare triple {23249#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23245#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} is VALID [2022-04-28 10:22:57,830 INFO L290 TraceCheckUtils]: 38: Hoare triple {23253#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23249#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:22:57,831 INFO L290 TraceCheckUtils]: 37: Hoare triple {23257#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23253#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} is VALID [2022-04-28 10:22:57,831 INFO L290 TraceCheckUtils]: 36: Hoare triple {23261#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23257#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} is VALID [2022-04-28 10:22:57,832 INFO L290 TraceCheckUtils]: 35: Hoare triple {23265#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23261#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} is VALID [2022-04-28 10:22:57,832 INFO L290 TraceCheckUtils]: 34: Hoare triple {23269#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23265#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} is VALID [2022-04-28 10:22:57,833 INFO L290 TraceCheckUtils]: 33: Hoare triple {23273#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23269#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} is VALID [2022-04-28 10:22:57,834 INFO L290 TraceCheckUtils]: 32: Hoare triple {23277#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23273#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} is VALID [2022-04-28 10:22:57,834 INFO L290 TraceCheckUtils]: 31: Hoare triple {23281#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23277#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} is VALID [2022-04-28 10:22:57,835 INFO L290 TraceCheckUtils]: 30: Hoare triple {23285#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23281#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} is VALID [2022-04-28 10:22:57,835 INFO L290 TraceCheckUtils]: 29: Hoare triple {23289#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23285#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} is VALID [2022-04-28 10:22:57,836 INFO L290 TraceCheckUtils]: 28: Hoare triple {23293#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23289#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} is VALID [2022-04-28 10:22:57,836 INFO L290 TraceCheckUtils]: 27: Hoare triple {23297#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23293#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} is VALID [2022-04-28 10:22:57,837 INFO L290 TraceCheckUtils]: 26: Hoare triple {23301#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23297#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:22:57,838 INFO L290 TraceCheckUtils]: 25: Hoare triple {23305#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23301#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} is VALID [2022-04-28 10:22:57,838 INFO L290 TraceCheckUtils]: 24: Hoare triple {23309#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23305#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} is VALID [2022-04-28 10:22:57,839 INFO L290 TraceCheckUtils]: 23: Hoare triple {23313#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23309#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} is VALID [2022-04-28 10:22:57,839 INFO L290 TraceCheckUtils]: 22: Hoare triple {23317#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23313#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:22:57,840 INFO L290 TraceCheckUtils]: 21: Hoare triple {23321#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23317#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} is VALID [2022-04-28 10:22:57,840 INFO L290 TraceCheckUtils]: 20: Hoare triple {23325#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23321#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} is VALID [2022-04-28 10:22:57,841 INFO L290 TraceCheckUtils]: 19: Hoare triple {23329#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23325#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} is VALID [2022-04-28 10:22:57,841 INFO L290 TraceCheckUtils]: 18: Hoare triple {23333#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23329#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} is VALID [2022-04-28 10:22:57,842 INFO L290 TraceCheckUtils]: 17: Hoare triple {23337#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23333#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} is VALID [2022-04-28 10:22:57,843 INFO L290 TraceCheckUtils]: 16: Hoare triple {23341#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23337#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:22:57,843 INFO L290 TraceCheckUtils]: 15: Hoare triple {23345#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23341#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:22:57,844 INFO L290 TraceCheckUtils]: 14: Hoare triple {23349#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23345#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} is VALID [2022-04-28 10:22:57,844 INFO L290 TraceCheckUtils]: 13: Hoare triple {23353#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23349#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:22:57,845 INFO L290 TraceCheckUtils]: 12: Hoare triple {23357#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23353#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} is VALID [2022-04-28 10:22:57,845 INFO L290 TraceCheckUtils]: 11: Hoare triple {23361#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23357#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} is VALID [2022-04-28 10:22:57,846 INFO L290 TraceCheckUtils]: 10: Hoare triple {23365#(< (mod (+ main_~z~0 36) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23361#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:22:57,846 INFO L290 TraceCheckUtils]: 9: Hoare triple {23369#(< (mod (+ main_~z~0 37) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23365#(< (mod (+ main_~z~0 36) 4294967296) 268435455)} is VALID [2022-04-28 10:22:57,847 INFO L290 TraceCheckUtils]: 8: Hoare triple {23373#(< (mod (+ main_~z~0 38) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23369#(< (mod (+ main_~z~0 37) 4294967296) 268435455)} is VALID [2022-04-28 10:22:57,847 INFO L290 TraceCheckUtils]: 7: Hoare triple {23010#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {23373#(< (mod (+ main_~z~0 38) 4294967296) 268435455)} is VALID [2022-04-28 10:22:57,847 INFO L290 TraceCheckUtils]: 6: Hoare triple {23010#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {23010#true} is VALID [2022-04-28 10:22:57,847 INFO L290 TraceCheckUtils]: 5: Hoare triple {23010#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {23010#true} is VALID [2022-04-28 10:22:57,848 INFO L272 TraceCheckUtils]: 4: Hoare triple {23010#true} call #t~ret7 := main(); {23010#true} is VALID [2022-04-28 10:22:57,848 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {23010#true} {23010#true} #63#return; {23010#true} is VALID [2022-04-28 10:22:57,848 INFO L290 TraceCheckUtils]: 2: Hoare triple {23010#true} assume true; {23010#true} is VALID [2022-04-28 10:22:57,848 INFO L290 TraceCheckUtils]: 1: Hoare triple {23010#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {23010#true} is VALID [2022-04-28 10:22:57,848 INFO L272 TraceCheckUtils]: 0: Hoare triple {23010#true} call ULTIMATE.init(); {23010#true} is VALID [2022-04-28 10:22:57,848 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:22:57,848 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1826892353] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 10:22:57,848 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 10:22:57,848 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 41, 41] total 82 [2022-04-28 10:22:57,848 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 10:22:57,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1007356830] [2022-04-28 10:22:57,849 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1007356830] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 10:22:57,849 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 10:22:57,849 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [42] imperfect sequences [] total 42 [2022-04-28 10:22:57,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386723189] [2022-04-28 10:22:57,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 10:22:57,849 INFO L78 Accepts]: Start accepts. Automaton has has 42 states, 42 states have (on average 1.119047619047619) internal successors, (47), 41 states have internal predecessors, (47), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 51 [2022-04-28 10:22:57,849 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 10:22:57,849 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 42 states, 42 states have (on average 1.119047619047619) internal successors, (47), 41 states have internal predecessors, (47), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:22:57,875 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 51 edges. 51 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:22:57,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2022-04-28 10:22:57,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 10:22:57,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2022-04-28 10:22:57,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1760, Invalid=4882, Unknown=0, NotChecked=0, Total=6642 [2022-04-28 10:22:57,876 INFO L87 Difference]: Start difference. First operand 60 states and 64 transitions. Second operand has 42 states, 42 states have (on average 1.119047619047619) internal successors, (47), 41 states have internal predecessors, (47), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:23:01,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:23:01,234 INFO L93 Difference]: Finished difference Result 115 states and 124 transitions. [2022-04-28 10:23:01,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-04-28 10:23:01,235 INFO L78 Accepts]: Start accepts. Automaton has has 42 states, 42 states have (on average 1.119047619047619) internal successors, (47), 41 states have internal predecessors, (47), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 51 [2022-04-28 10:23:01,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 10:23:01,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 42 states have (on average 1.119047619047619) internal successors, (47), 41 states have internal predecessors, (47), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:23:01,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 84 transitions. [2022-04-28 10:23:01,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 42 states have (on average 1.119047619047619) internal successors, (47), 41 states have internal predecessors, (47), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:23:01,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 84 transitions. [2022-04-28 10:23:01,244 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 42 states and 84 transitions. [2022-04-28 10:23:01,298 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 84 edges. 84 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:23:01,298 INFO L225 Difference]: With dead ends: 115 [2022-04-28 10:23:01,298 INFO L226 Difference]: Without dead ends: 62 [2022-04-28 10:23:01,300 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 65 SyntacticMatches, 1 SemanticMatches, 119 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 823 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=3513, Invalid=11007, Unknown=0, NotChecked=0, Total=14520 [2022-04-28 10:23:01,300 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 18 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 1906 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 1990 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 1906 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-04-28 10:23:01,300 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 138 Invalid, 1990 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 1906 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-04-28 10:23:01,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2022-04-28 10:23:01,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 61. [2022-04-28 10:23:01,359 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 10:23:01,360 INFO L82 GeneralOperation]: Start isEquivalent. First operand 62 states. Second operand has 61 states, 53 states have (on average 1.0754716981132075) internal successors, (57), 54 states have internal predecessors, (57), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:23:01,360 INFO L74 IsIncluded]: Start isIncluded. First operand 62 states. Second operand has 61 states, 53 states have (on average 1.0754716981132075) internal successors, (57), 54 states have internal predecessors, (57), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:23:01,360 INFO L87 Difference]: Start difference. First operand 62 states. Second operand has 61 states, 53 states have (on average 1.0754716981132075) internal successors, (57), 54 states have internal predecessors, (57), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:23:01,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:23:01,362 INFO L93 Difference]: Finished difference Result 62 states and 66 transitions. [2022-04-28 10:23:01,362 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 66 transitions. [2022-04-28 10:23:01,363 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:23:01,363 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:23:01,363 INFO L74 IsIncluded]: Start isIncluded. First operand has 61 states, 53 states have (on average 1.0754716981132075) internal successors, (57), 54 states have internal predecessors, (57), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 62 states. [2022-04-28 10:23:01,363 INFO L87 Difference]: Start difference. First operand has 61 states, 53 states have (on average 1.0754716981132075) internal successors, (57), 54 states have internal predecessors, (57), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 62 states. [2022-04-28 10:23:01,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:23:01,364 INFO L93 Difference]: Finished difference Result 62 states and 66 transitions. [2022-04-28 10:23:01,364 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 66 transitions. [2022-04-28 10:23:01,364 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:23:01,364 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:23:01,364 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 10:23:01,364 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 10:23:01,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 53 states have (on average 1.0754716981132075) internal successors, (57), 54 states have internal predecessors, (57), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:23:01,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 65 transitions. [2022-04-28 10:23:01,365 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 65 transitions. Word has length 51 [2022-04-28 10:23:01,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 10:23:01,365 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 65 transitions. [2022-04-28 10:23:01,365 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 1.119047619047619) internal successors, (47), 41 states have internal predecessors, (47), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:23:01,365 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 61 states and 65 transitions. [2022-04-28 10:23:01,425 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 65 edges. 65 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:23:01,425 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 65 transitions. [2022-04-28 10:23:01,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-04-28 10:23:01,425 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 10:23:01,425 INFO L195 NwaCegarLoop]: trace histogram [39, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 10:23:01,443 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Forceful destruction successful, exit code 0 [2022-04-28 10:23:01,625 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2022-04-28 10:23:01,626 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 10:23:01,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 10:23:01,626 INFO L85 PathProgramCache]: Analyzing trace with hash 590352738, now seen corresponding path program 77 times [2022-04-28 10:23:01,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 10:23:01,626 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [2041080950] [2022-04-28 10:23:01,628 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-28 10:23:01,628 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-28 10:23:01,628 INFO L85 PathProgramCache]: Analyzing trace with hash 590352738, now seen corresponding path program 78 times [2022-04-28 10:23:01,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 10:23:01,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858164428] [2022-04-28 10:23:01,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 10:23:01,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 10:23:01,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:23:02,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 10:23:02,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:23:02,487 INFO L290 TraceCheckUtils]: 0: Hoare triple {24000#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {23955#true} is VALID [2022-04-28 10:23:02,487 INFO L290 TraceCheckUtils]: 1: Hoare triple {23955#true} assume true; {23955#true} is VALID [2022-04-28 10:23:02,487 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {23955#true} {23955#true} #63#return; {23955#true} is VALID [2022-04-28 10:23:02,488 INFO L272 TraceCheckUtils]: 0: Hoare triple {23955#true} call ULTIMATE.init(); {24000#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 10:23:02,488 INFO L290 TraceCheckUtils]: 1: Hoare triple {24000#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {23955#true} is VALID [2022-04-28 10:23:02,488 INFO L290 TraceCheckUtils]: 2: Hoare triple {23955#true} assume true; {23955#true} is VALID [2022-04-28 10:23:02,488 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {23955#true} {23955#true} #63#return; {23955#true} is VALID [2022-04-28 10:23:02,488 INFO L272 TraceCheckUtils]: 4: Hoare triple {23955#true} call #t~ret7 := main(); {23955#true} is VALID [2022-04-28 10:23:02,488 INFO L290 TraceCheckUtils]: 5: Hoare triple {23955#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {23955#true} is VALID [2022-04-28 10:23:02,488 INFO L290 TraceCheckUtils]: 6: Hoare triple {23955#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {23955#true} is VALID [2022-04-28 10:23:02,488 INFO L290 TraceCheckUtils]: 7: Hoare triple {23955#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {23960#(= main_~z~0 0)} is VALID [2022-04-28 10:23:02,489 INFO L290 TraceCheckUtils]: 8: Hoare triple {23960#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23961#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:23:02,489 INFO L290 TraceCheckUtils]: 9: Hoare triple {23961#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23962#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:23:02,490 INFO L290 TraceCheckUtils]: 10: Hoare triple {23962#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23963#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:23:02,490 INFO L290 TraceCheckUtils]: 11: Hoare triple {23963#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23964#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:23:02,490 INFO L290 TraceCheckUtils]: 12: Hoare triple {23964#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23965#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:23:02,491 INFO L290 TraceCheckUtils]: 13: Hoare triple {23965#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23966#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:23:02,491 INFO L290 TraceCheckUtils]: 14: Hoare triple {23966#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23967#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:23:02,492 INFO L290 TraceCheckUtils]: 15: Hoare triple {23967#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23968#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:23:02,492 INFO L290 TraceCheckUtils]: 16: Hoare triple {23968#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23969#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:23:02,493 INFO L290 TraceCheckUtils]: 17: Hoare triple {23969#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23970#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:23:02,493 INFO L290 TraceCheckUtils]: 18: Hoare triple {23970#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23971#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:23:02,494 INFO L290 TraceCheckUtils]: 19: Hoare triple {23971#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23972#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:23:02,494 INFO L290 TraceCheckUtils]: 20: Hoare triple {23972#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23973#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:23:02,494 INFO L290 TraceCheckUtils]: 21: Hoare triple {23973#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23974#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:23:02,495 INFO L290 TraceCheckUtils]: 22: Hoare triple {23974#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23975#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:23:02,495 INFO L290 TraceCheckUtils]: 23: Hoare triple {23975#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23976#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:23:02,496 INFO L290 TraceCheckUtils]: 24: Hoare triple {23976#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23977#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:23:02,496 INFO L290 TraceCheckUtils]: 25: Hoare triple {23977#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23978#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:23:02,497 INFO L290 TraceCheckUtils]: 26: Hoare triple {23978#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23979#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:23:02,497 INFO L290 TraceCheckUtils]: 27: Hoare triple {23979#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23980#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 10:23:02,498 INFO L290 TraceCheckUtils]: 28: Hoare triple {23980#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23981#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 10:23:02,498 INFO L290 TraceCheckUtils]: 29: Hoare triple {23981#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23982#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 10:23:02,499 INFO L290 TraceCheckUtils]: 30: Hoare triple {23982#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23983#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 10:23:02,499 INFO L290 TraceCheckUtils]: 31: Hoare triple {23983#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23984#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 10:23:02,499 INFO L290 TraceCheckUtils]: 32: Hoare triple {23984#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23985#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 10:23:02,500 INFO L290 TraceCheckUtils]: 33: Hoare triple {23985#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23986#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 10:23:02,500 INFO L290 TraceCheckUtils]: 34: Hoare triple {23986#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23987#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 10:23:02,501 INFO L290 TraceCheckUtils]: 35: Hoare triple {23987#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23988#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 10:23:02,501 INFO L290 TraceCheckUtils]: 36: Hoare triple {23988#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23989#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 10:23:02,502 INFO L290 TraceCheckUtils]: 37: Hoare triple {23989#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23990#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 10:23:02,502 INFO L290 TraceCheckUtils]: 38: Hoare triple {23990#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23991#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 10:23:02,503 INFO L290 TraceCheckUtils]: 39: Hoare triple {23991#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23992#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 10:23:02,503 INFO L290 TraceCheckUtils]: 40: Hoare triple {23992#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23993#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 10:23:02,503 INFO L290 TraceCheckUtils]: 41: Hoare triple {23993#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23994#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 10:23:02,504 INFO L290 TraceCheckUtils]: 42: Hoare triple {23994#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23995#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 10:23:02,504 INFO L290 TraceCheckUtils]: 43: Hoare triple {23995#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23996#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 10:23:02,505 INFO L290 TraceCheckUtils]: 44: Hoare triple {23996#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23997#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 10:23:02,505 INFO L290 TraceCheckUtils]: 45: Hoare triple {23997#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23998#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 10:23:02,506 INFO L290 TraceCheckUtils]: 46: Hoare triple {23998#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23999#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 39))} is VALID [2022-04-28 10:23:02,506 INFO L290 TraceCheckUtils]: 47: Hoare triple {23999#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 39))} assume !(~z~0 % 4294967296 < 268435455); {23956#false} is VALID [2022-04-28 10:23:02,506 INFO L272 TraceCheckUtils]: 48: Hoare triple {23956#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {23956#false} is VALID [2022-04-28 10:23:02,506 INFO L290 TraceCheckUtils]: 49: Hoare triple {23956#false} ~cond := #in~cond; {23956#false} is VALID [2022-04-28 10:23:02,506 INFO L290 TraceCheckUtils]: 50: Hoare triple {23956#false} assume 0 == ~cond; {23956#false} is VALID [2022-04-28 10:23:02,506 INFO L290 TraceCheckUtils]: 51: Hoare triple {23956#false} assume !false; {23956#false} is VALID [2022-04-28 10:23:02,507 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:23:02,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 10:23:02,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858164428] [2022-04-28 10:23:02,507 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1858164428] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 10:23:02,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [646622680] [2022-04-28 10:23:02,507 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-04-28 10:23:02,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:23:02,507 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 10:23:02,508 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 10:23:02,508 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2022-04-28 10:23:07,710 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 21 check-sat command(s) [2022-04-28 10:23:07,711 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 10:23:07,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 81 conjunts are in the unsatisfiable core [2022-04-28 10:23:07,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:23:07,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 10:23:08,170 INFO L272 TraceCheckUtils]: 0: Hoare triple {23955#true} call ULTIMATE.init(); {23955#true} is VALID [2022-04-28 10:23:08,170 INFO L290 TraceCheckUtils]: 1: Hoare triple {23955#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {23955#true} is VALID [2022-04-28 10:23:08,170 INFO L290 TraceCheckUtils]: 2: Hoare triple {23955#true} assume true; {23955#true} is VALID [2022-04-28 10:23:08,170 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {23955#true} {23955#true} #63#return; {23955#true} is VALID [2022-04-28 10:23:08,170 INFO L272 TraceCheckUtils]: 4: Hoare triple {23955#true} call #t~ret7 := main(); {23955#true} is VALID [2022-04-28 10:23:08,170 INFO L290 TraceCheckUtils]: 5: Hoare triple {23955#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {23955#true} is VALID [2022-04-28 10:23:08,170 INFO L290 TraceCheckUtils]: 6: Hoare triple {23955#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {23955#true} is VALID [2022-04-28 10:23:08,171 INFO L290 TraceCheckUtils]: 7: Hoare triple {23955#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {23960#(= main_~z~0 0)} is VALID [2022-04-28 10:23:08,171 INFO L290 TraceCheckUtils]: 8: Hoare triple {23960#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23961#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:23:08,171 INFO L290 TraceCheckUtils]: 9: Hoare triple {23961#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23962#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:23:08,172 INFO L290 TraceCheckUtils]: 10: Hoare triple {23962#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23963#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:23:08,172 INFO L290 TraceCheckUtils]: 11: Hoare triple {23963#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23964#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:23:08,173 INFO L290 TraceCheckUtils]: 12: Hoare triple {23964#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23965#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:23:08,173 INFO L290 TraceCheckUtils]: 13: Hoare triple {23965#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23966#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:23:08,174 INFO L290 TraceCheckUtils]: 14: Hoare triple {23966#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23967#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:23:08,174 INFO L290 TraceCheckUtils]: 15: Hoare triple {23967#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23968#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:23:08,175 INFO L290 TraceCheckUtils]: 16: Hoare triple {23968#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23969#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:23:08,175 INFO L290 TraceCheckUtils]: 17: Hoare triple {23969#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23970#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:23:08,176 INFO L290 TraceCheckUtils]: 18: Hoare triple {23970#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23971#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:23:08,176 INFO L290 TraceCheckUtils]: 19: Hoare triple {23971#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23972#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:23:08,177 INFO L290 TraceCheckUtils]: 20: Hoare triple {23972#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23973#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:23:08,177 INFO L290 TraceCheckUtils]: 21: Hoare triple {23973#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23974#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:23:08,177 INFO L290 TraceCheckUtils]: 22: Hoare triple {23974#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23975#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:23:08,178 INFO L290 TraceCheckUtils]: 23: Hoare triple {23975#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23976#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:23:08,178 INFO L290 TraceCheckUtils]: 24: Hoare triple {23976#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23977#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:23:08,179 INFO L290 TraceCheckUtils]: 25: Hoare triple {23977#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23978#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:23:08,179 INFO L290 TraceCheckUtils]: 26: Hoare triple {23978#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23979#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:23:08,180 INFO L290 TraceCheckUtils]: 27: Hoare triple {23979#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23980#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 10:23:08,180 INFO L290 TraceCheckUtils]: 28: Hoare triple {23980#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23981#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 10:23:08,181 INFO L290 TraceCheckUtils]: 29: Hoare triple {23981#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23982#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 10:23:08,181 INFO L290 TraceCheckUtils]: 30: Hoare triple {23982#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23983#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 10:23:08,182 INFO L290 TraceCheckUtils]: 31: Hoare triple {23983#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23984#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 10:23:08,182 INFO L290 TraceCheckUtils]: 32: Hoare triple {23984#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23985#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 10:23:08,182 INFO L290 TraceCheckUtils]: 33: Hoare triple {23985#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23986#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 10:23:08,183 INFO L290 TraceCheckUtils]: 34: Hoare triple {23986#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23987#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 10:23:08,183 INFO L290 TraceCheckUtils]: 35: Hoare triple {23987#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23988#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 10:23:08,184 INFO L290 TraceCheckUtils]: 36: Hoare triple {23988#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23989#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 10:23:08,184 INFO L290 TraceCheckUtils]: 37: Hoare triple {23989#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23990#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 10:23:08,185 INFO L290 TraceCheckUtils]: 38: Hoare triple {23990#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23991#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 10:23:08,185 INFO L290 TraceCheckUtils]: 39: Hoare triple {23991#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23992#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 10:23:08,186 INFO L290 TraceCheckUtils]: 40: Hoare triple {23992#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23993#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 10:23:08,186 INFO L290 TraceCheckUtils]: 41: Hoare triple {23993#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23994#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 10:23:08,187 INFO L290 TraceCheckUtils]: 42: Hoare triple {23994#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23995#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 10:23:08,187 INFO L290 TraceCheckUtils]: 43: Hoare triple {23995#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23996#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 10:23:08,188 INFO L290 TraceCheckUtils]: 44: Hoare triple {23996#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23997#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 10:23:08,188 INFO L290 TraceCheckUtils]: 45: Hoare triple {23997#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {23998#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 10:23:08,188 INFO L290 TraceCheckUtils]: 46: Hoare triple {23998#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24142#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 10:23:08,189 INFO L290 TraceCheckUtils]: 47: Hoare triple {24142#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !(~z~0 % 4294967296 < 268435455); {23956#false} is VALID [2022-04-28 10:23:08,189 INFO L272 TraceCheckUtils]: 48: Hoare triple {23956#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {23956#false} is VALID [2022-04-28 10:23:08,189 INFO L290 TraceCheckUtils]: 49: Hoare triple {23956#false} ~cond := #in~cond; {23956#false} is VALID [2022-04-28 10:23:08,189 INFO L290 TraceCheckUtils]: 50: Hoare triple {23956#false} assume 0 == ~cond; {23956#false} is VALID [2022-04-28 10:23:08,189 INFO L290 TraceCheckUtils]: 51: Hoare triple {23956#false} assume !false; {23956#false} is VALID [2022-04-28 10:23:08,189 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:23:08,189 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 10:23:10,543 INFO L290 TraceCheckUtils]: 51: Hoare triple {23956#false} assume !false; {23956#false} is VALID [2022-04-28 10:23:10,543 INFO L290 TraceCheckUtils]: 50: Hoare triple {23956#false} assume 0 == ~cond; {23956#false} is VALID [2022-04-28 10:23:10,543 INFO L290 TraceCheckUtils]: 49: Hoare triple {23956#false} ~cond := #in~cond; {23956#false} is VALID [2022-04-28 10:23:10,543 INFO L272 TraceCheckUtils]: 48: Hoare triple {23956#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {23956#false} is VALID [2022-04-28 10:23:10,543 INFO L290 TraceCheckUtils]: 47: Hoare triple {24170#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {23956#false} is VALID [2022-04-28 10:23:10,544 INFO L290 TraceCheckUtils]: 46: Hoare triple {24174#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24170#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 10:23:10,544 INFO L290 TraceCheckUtils]: 45: Hoare triple {24178#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24174#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 10:23:10,545 INFO L290 TraceCheckUtils]: 44: Hoare triple {24182#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24178#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 10:23:10,546 INFO L290 TraceCheckUtils]: 43: Hoare triple {24186#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24182#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 10:23:10,546 INFO L290 TraceCheckUtils]: 42: Hoare triple {24190#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24186#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 10:23:10,547 INFO L290 TraceCheckUtils]: 41: Hoare triple {24194#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24190#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:23:10,547 INFO L290 TraceCheckUtils]: 40: Hoare triple {24198#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24194#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} is VALID [2022-04-28 10:23:10,548 INFO L290 TraceCheckUtils]: 39: Hoare triple {24202#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24198#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:23:10,548 INFO L290 TraceCheckUtils]: 38: Hoare triple {24206#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24202#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} is VALID [2022-04-28 10:23:10,549 INFO L290 TraceCheckUtils]: 37: Hoare triple {24210#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24206#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} is VALID [2022-04-28 10:23:10,549 INFO L290 TraceCheckUtils]: 36: Hoare triple {24214#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24210#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} is VALID [2022-04-28 10:23:10,550 INFO L290 TraceCheckUtils]: 35: Hoare triple {24218#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24214#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} is VALID [2022-04-28 10:23:10,551 INFO L290 TraceCheckUtils]: 34: Hoare triple {24222#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24218#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} is VALID [2022-04-28 10:23:10,551 INFO L290 TraceCheckUtils]: 33: Hoare triple {24226#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24222#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} is VALID [2022-04-28 10:23:10,552 INFO L290 TraceCheckUtils]: 32: Hoare triple {24230#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24226#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} is VALID [2022-04-28 10:23:10,552 INFO L290 TraceCheckUtils]: 31: Hoare triple {24234#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24230#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} is VALID [2022-04-28 10:23:10,553 INFO L290 TraceCheckUtils]: 30: Hoare triple {24238#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24234#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} is VALID [2022-04-28 10:23:10,553 INFO L290 TraceCheckUtils]: 29: Hoare triple {24242#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24238#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} is VALID [2022-04-28 10:23:10,554 INFO L290 TraceCheckUtils]: 28: Hoare triple {24246#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24242#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} is VALID [2022-04-28 10:23:10,554 INFO L290 TraceCheckUtils]: 27: Hoare triple {24250#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24246#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:23:10,555 INFO L290 TraceCheckUtils]: 26: Hoare triple {24254#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24250#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} is VALID [2022-04-28 10:23:10,556 INFO L290 TraceCheckUtils]: 25: Hoare triple {24258#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24254#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} is VALID [2022-04-28 10:23:10,556 INFO L290 TraceCheckUtils]: 24: Hoare triple {24262#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24258#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} is VALID [2022-04-28 10:23:10,557 INFO L290 TraceCheckUtils]: 23: Hoare triple {24266#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24262#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:23:10,557 INFO L290 TraceCheckUtils]: 22: Hoare triple {24270#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24266#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} is VALID [2022-04-28 10:23:10,558 INFO L290 TraceCheckUtils]: 21: Hoare triple {24274#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24270#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} is VALID [2022-04-28 10:23:10,559 INFO L290 TraceCheckUtils]: 20: Hoare triple {24278#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24274#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} is VALID [2022-04-28 10:23:10,559 INFO L290 TraceCheckUtils]: 19: Hoare triple {24282#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24278#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} is VALID [2022-04-28 10:23:10,560 INFO L290 TraceCheckUtils]: 18: Hoare triple {24286#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24282#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} is VALID [2022-04-28 10:23:10,561 INFO L290 TraceCheckUtils]: 17: Hoare triple {24290#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24286#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:23:10,561 INFO L290 TraceCheckUtils]: 16: Hoare triple {24294#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24290#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:23:10,562 INFO L290 TraceCheckUtils]: 15: Hoare triple {24298#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24294#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} is VALID [2022-04-28 10:23:10,562 INFO L290 TraceCheckUtils]: 14: Hoare triple {24302#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24298#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:23:10,563 INFO L290 TraceCheckUtils]: 13: Hoare triple {24306#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24302#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} is VALID [2022-04-28 10:23:10,563 INFO L290 TraceCheckUtils]: 12: Hoare triple {24310#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24306#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} is VALID [2022-04-28 10:23:10,564 INFO L290 TraceCheckUtils]: 11: Hoare triple {24314#(< (mod (+ main_~z~0 36) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24310#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:23:10,564 INFO L290 TraceCheckUtils]: 10: Hoare triple {24318#(< (mod (+ main_~z~0 37) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24314#(< (mod (+ main_~z~0 36) 4294967296) 268435455)} is VALID [2022-04-28 10:23:10,565 INFO L290 TraceCheckUtils]: 9: Hoare triple {24322#(< (mod (+ main_~z~0 38) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24318#(< (mod (+ main_~z~0 37) 4294967296) 268435455)} is VALID [2022-04-28 10:23:10,566 INFO L290 TraceCheckUtils]: 8: Hoare triple {24326#(< (mod (+ main_~z~0 39) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24322#(< (mod (+ main_~z~0 38) 4294967296) 268435455)} is VALID [2022-04-28 10:23:10,566 INFO L290 TraceCheckUtils]: 7: Hoare triple {23955#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {24326#(< (mod (+ main_~z~0 39) 4294967296) 268435455)} is VALID [2022-04-28 10:23:10,566 INFO L290 TraceCheckUtils]: 6: Hoare triple {23955#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {23955#true} is VALID [2022-04-28 10:23:10,566 INFO L290 TraceCheckUtils]: 5: Hoare triple {23955#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {23955#true} is VALID [2022-04-28 10:23:10,566 INFO L272 TraceCheckUtils]: 4: Hoare triple {23955#true} call #t~ret7 := main(); {23955#true} is VALID [2022-04-28 10:23:10,566 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {23955#true} {23955#true} #63#return; {23955#true} is VALID [2022-04-28 10:23:10,566 INFO L290 TraceCheckUtils]: 2: Hoare triple {23955#true} assume true; {23955#true} is VALID [2022-04-28 10:23:10,566 INFO L290 TraceCheckUtils]: 1: Hoare triple {23955#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {23955#true} is VALID [2022-04-28 10:23:10,566 INFO L272 TraceCheckUtils]: 0: Hoare triple {23955#true} call ULTIMATE.init(); {23955#true} is VALID [2022-04-28 10:23:10,567 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:23:10,567 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [646622680] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 10:23:10,567 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 10:23:10,567 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 42, 42] total 84 [2022-04-28 10:23:10,567 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 10:23:10,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [2041080950] [2022-04-28 10:23:10,567 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [2041080950] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 10:23:10,567 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 10:23:10,567 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [43] imperfect sequences [] total 43 [2022-04-28 10:23:10,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137617829] [2022-04-28 10:23:10,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 10:23:10,568 INFO L78 Accepts]: Start accepts. Automaton has has 43 states, 43 states have (on average 1.1162790697674418) internal successors, (48), 42 states have internal predecessors, (48), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 52 [2022-04-28 10:23:10,568 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 10:23:10,568 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 43 states, 43 states have (on average 1.1162790697674418) internal successors, (48), 42 states have internal predecessors, (48), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:23:10,594 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 52 edges. 52 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:23:10,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2022-04-28 10:23:10,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 10:23:10,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2022-04-28 10:23:10,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1845, Invalid=5127, Unknown=0, NotChecked=0, Total=6972 [2022-04-28 10:23:10,595 INFO L87 Difference]: Start difference. First operand 61 states and 65 transitions. Second operand has 43 states, 43 states have (on average 1.1162790697674418) internal successors, (48), 42 states have internal predecessors, (48), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:23:14,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:23:14,126 INFO L93 Difference]: Finished difference Result 117 states and 126 transitions. [2022-04-28 10:23:14,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-04-28 10:23:14,126 INFO L78 Accepts]: Start accepts. Automaton has has 43 states, 43 states have (on average 1.1162790697674418) internal successors, (48), 42 states have internal predecessors, (48), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 52 [2022-04-28 10:23:14,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 10:23:14,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 43 states have (on average 1.1162790697674418) internal successors, (48), 42 states have internal predecessors, (48), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:23:14,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 85 transitions. [2022-04-28 10:23:14,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 43 states have (on average 1.1162790697674418) internal successors, (48), 42 states have internal predecessors, (48), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:23:14,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 85 transitions. [2022-04-28 10:23:14,128 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 43 states and 85 transitions. [2022-04-28 10:23:14,178 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 85 edges. 85 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:23:14,179 INFO L225 Difference]: With dead ends: 117 [2022-04-28 10:23:14,179 INFO L226 Difference]: Without dead ends: 63 [2022-04-28 10:23:14,180 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 66 SyntacticMatches, 1 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 864 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=3683, Invalid=11569, Unknown=0, NotChecked=0, Total=15252 [2022-04-28 10:23:14,180 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 17 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 2032 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 2117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 2032 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-04-28 10:23:14,180 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 153 Invalid, 2117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 2032 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-04-28 10:23:14,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2022-04-28 10:23:14,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 62. [2022-04-28 10:23:14,230 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 10:23:14,231 INFO L82 GeneralOperation]: Start isEquivalent. First operand 63 states. Second operand has 62 states, 54 states have (on average 1.0740740740740742) internal successors, (58), 55 states have internal predecessors, (58), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:23:14,231 INFO L74 IsIncluded]: Start isIncluded. First operand 63 states. Second operand has 62 states, 54 states have (on average 1.0740740740740742) internal successors, (58), 55 states have internal predecessors, (58), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:23:14,232 INFO L87 Difference]: Start difference. First operand 63 states. Second operand has 62 states, 54 states have (on average 1.0740740740740742) internal successors, (58), 55 states have internal predecessors, (58), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:23:14,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:23:14,233 INFO L93 Difference]: Finished difference Result 63 states and 67 transitions. [2022-04-28 10:23:14,233 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 67 transitions. [2022-04-28 10:23:14,233 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:23:14,233 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:23:14,233 INFO L74 IsIncluded]: Start isIncluded. First operand has 62 states, 54 states have (on average 1.0740740740740742) internal successors, (58), 55 states have internal predecessors, (58), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 63 states. [2022-04-28 10:23:14,233 INFO L87 Difference]: Start difference. First operand has 62 states, 54 states have (on average 1.0740740740740742) internal successors, (58), 55 states have internal predecessors, (58), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 63 states. [2022-04-28 10:23:14,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:23:14,234 INFO L93 Difference]: Finished difference Result 63 states and 67 transitions. [2022-04-28 10:23:14,234 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 67 transitions. [2022-04-28 10:23:14,234 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:23:14,234 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:23:14,234 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 10:23:14,234 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 10:23:14,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 54 states have (on average 1.0740740740740742) internal successors, (58), 55 states have internal predecessors, (58), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:23:14,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 66 transitions. [2022-04-28 10:23:14,235 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 66 transitions. Word has length 52 [2022-04-28 10:23:14,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 10:23:14,235 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 66 transitions. [2022-04-28 10:23:14,235 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 1.1162790697674418) internal successors, (48), 42 states have internal predecessors, (48), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:23:14,236 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 62 states and 66 transitions. [2022-04-28 10:23:14,304 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 66 edges. 66 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:23:14,305 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 66 transitions. [2022-04-28 10:23:14,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-04-28 10:23:14,305 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 10:23:14,305 INFO L195 NwaCegarLoop]: trace histogram [40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 10:23:14,312 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Forceful destruction successful, exit code 0 [2022-04-28 10:23:14,505 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2022-04-28 10:23:14,506 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 10:23:14,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 10:23:14,506 INFO L85 PathProgramCache]: Analyzing trace with hash 1147368258, now seen corresponding path program 79 times [2022-04-28 10:23:14,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 10:23:14,506 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [2073453177] [2022-04-28 10:23:14,509 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-28 10:23:14,509 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-28 10:23:14,509 INFO L85 PathProgramCache]: Analyzing trace with hash 1147368258, now seen corresponding path program 80 times [2022-04-28 10:23:14,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 10:23:14,509 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955978613] [2022-04-28 10:23:14,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 10:23:14,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 10:23:14,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:23:15,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 10:23:15,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:23:15,360 INFO L290 TraceCheckUtils]: 0: Hoare triple {24964#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {24918#true} is VALID [2022-04-28 10:23:15,360 INFO L290 TraceCheckUtils]: 1: Hoare triple {24918#true} assume true; {24918#true} is VALID [2022-04-28 10:23:15,360 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {24918#true} {24918#true} #63#return; {24918#true} is VALID [2022-04-28 10:23:15,360 INFO L272 TraceCheckUtils]: 0: Hoare triple {24918#true} call ULTIMATE.init(); {24964#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 10:23:15,360 INFO L290 TraceCheckUtils]: 1: Hoare triple {24964#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {24918#true} is VALID [2022-04-28 10:23:15,360 INFO L290 TraceCheckUtils]: 2: Hoare triple {24918#true} assume true; {24918#true} is VALID [2022-04-28 10:23:15,360 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {24918#true} {24918#true} #63#return; {24918#true} is VALID [2022-04-28 10:23:15,360 INFO L272 TraceCheckUtils]: 4: Hoare triple {24918#true} call #t~ret7 := main(); {24918#true} is VALID [2022-04-28 10:23:15,360 INFO L290 TraceCheckUtils]: 5: Hoare triple {24918#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {24918#true} is VALID [2022-04-28 10:23:15,360 INFO L290 TraceCheckUtils]: 6: Hoare triple {24918#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {24918#true} is VALID [2022-04-28 10:23:15,361 INFO L290 TraceCheckUtils]: 7: Hoare triple {24918#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {24923#(= main_~z~0 0)} is VALID [2022-04-28 10:23:15,361 INFO L290 TraceCheckUtils]: 8: Hoare triple {24923#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24924#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:23:15,362 INFO L290 TraceCheckUtils]: 9: Hoare triple {24924#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24925#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:23:15,362 INFO L290 TraceCheckUtils]: 10: Hoare triple {24925#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24926#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:23:15,362 INFO L290 TraceCheckUtils]: 11: Hoare triple {24926#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24927#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:23:15,363 INFO L290 TraceCheckUtils]: 12: Hoare triple {24927#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24928#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:23:15,363 INFO L290 TraceCheckUtils]: 13: Hoare triple {24928#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24929#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:23:15,364 INFO L290 TraceCheckUtils]: 14: Hoare triple {24929#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24930#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:23:15,364 INFO L290 TraceCheckUtils]: 15: Hoare triple {24930#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24931#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:23:15,365 INFO L290 TraceCheckUtils]: 16: Hoare triple {24931#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24932#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:23:15,365 INFO L290 TraceCheckUtils]: 17: Hoare triple {24932#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24933#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:23:15,366 INFO L290 TraceCheckUtils]: 18: Hoare triple {24933#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24934#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:23:15,366 INFO L290 TraceCheckUtils]: 19: Hoare triple {24934#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24935#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:23:15,366 INFO L290 TraceCheckUtils]: 20: Hoare triple {24935#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24936#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:23:15,367 INFO L290 TraceCheckUtils]: 21: Hoare triple {24936#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24937#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:23:15,367 INFO L290 TraceCheckUtils]: 22: Hoare triple {24937#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24938#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:23:15,368 INFO L290 TraceCheckUtils]: 23: Hoare triple {24938#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24939#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:23:15,368 INFO L290 TraceCheckUtils]: 24: Hoare triple {24939#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24940#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:23:15,369 INFO L290 TraceCheckUtils]: 25: Hoare triple {24940#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24941#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:23:15,369 INFO L290 TraceCheckUtils]: 26: Hoare triple {24941#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24942#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:23:15,370 INFO L290 TraceCheckUtils]: 27: Hoare triple {24942#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24943#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 10:23:15,370 INFO L290 TraceCheckUtils]: 28: Hoare triple {24943#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24944#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 10:23:15,371 INFO L290 TraceCheckUtils]: 29: Hoare triple {24944#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24945#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 10:23:15,371 INFO L290 TraceCheckUtils]: 30: Hoare triple {24945#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24946#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 10:23:15,371 INFO L290 TraceCheckUtils]: 31: Hoare triple {24946#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24947#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 10:23:15,372 INFO L290 TraceCheckUtils]: 32: Hoare triple {24947#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24948#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 10:23:15,372 INFO L290 TraceCheckUtils]: 33: Hoare triple {24948#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24949#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 10:23:15,373 INFO L290 TraceCheckUtils]: 34: Hoare triple {24949#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24950#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 10:23:15,373 INFO L290 TraceCheckUtils]: 35: Hoare triple {24950#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24951#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 10:23:15,374 INFO L290 TraceCheckUtils]: 36: Hoare triple {24951#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24952#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 10:23:15,374 INFO L290 TraceCheckUtils]: 37: Hoare triple {24952#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24953#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 10:23:15,375 INFO L290 TraceCheckUtils]: 38: Hoare triple {24953#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24954#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 10:23:15,375 INFO L290 TraceCheckUtils]: 39: Hoare triple {24954#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24955#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 10:23:15,375 INFO L290 TraceCheckUtils]: 40: Hoare triple {24955#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24956#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 10:23:15,376 INFO L290 TraceCheckUtils]: 41: Hoare triple {24956#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24957#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 10:23:15,376 INFO L290 TraceCheckUtils]: 42: Hoare triple {24957#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24958#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 10:23:15,377 INFO L290 TraceCheckUtils]: 43: Hoare triple {24958#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24959#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 10:23:15,377 INFO L290 TraceCheckUtils]: 44: Hoare triple {24959#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24960#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 10:23:15,378 INFO L290 TraceCheckUtils]: 45: Hoare triple {24960#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24961#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 10:23:15,378 INFO L290 TraceCheckUtils]: 46: Hoare triple {24961#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24962#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 10:23:15,379 INFO L290 TraceCheckUtils]: 47: Hoare triple {24962#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24963#(and (<= main_~z~0 40) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} is VALID [2022-04-28 10:23:15,379 INFO L290 TraceCheckUtils]: 48: Hoare triple {24963#(and (<= main_~z~0 40) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} assume !(~z~0 % 4294967296 < 268435455); {24919#false} is VALID [2022-04-28 10:23:15,379 INFO L272 TraceCheckUtils]: 49: Hoare triple {24919#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {24919#false} is VALID [2022-04-28 10:23:15,379 INFO L290 TraceCheckUtils]: 50: Hoare triple {24919#false} ~cond := #in~cond; {24919#false} is VALID [2022-04-28 10:23:15,379 INFO L290 TraceCheckUtils]: 51: Hoare triple {24919#false} assume 0 == ~cond; {24919#false} is VALID [2022-04-28 10:23:15,379 INFO L290 TraceCheckUtils]: 52: Hoare triple {24919#false} assume !false; {24919#false} is VALID [2022-04-28 10:23:15,380 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:23:15,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 10:23:15,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955978613] [2022-04-28 10:23:15,380 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955978613] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 10:23:15,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1320653664] [2022-04-28 10:23:15,380 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-28 10:23:15,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:23:15,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 10:23:15,381 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 10:23:15,382 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2022-04-28 10:23:15,489 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-28 10:23:15,490 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 10:23:15,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 83 conjunts are in the unsatisfiable core [2022-04-28 10:23:15,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:23:15,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 10:23:15,977 INFO L272 TraceCheckUtils]: 0: Hoare triple {24918#true} call ULTIMATE.init(); {24918#true} is VALID [2022-04-28 10:23:15,977 INFO L290 TraceCheckUtils]: 1: Hoare triple {24918#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {24918#true} is VALID [2022-04-28 10:23:15,977 INFO L290 TraceCheckUtils]: 2: Hoare triple {24918#true} assume true; {24918#true} is VALID [2022-04-28 10:23:15,977 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {24918#true} {24918#true} #63#return; {24918#true} is VALID [2022-04-28 10:23:15,977 INFO L272 TraceCheckUtils]: 4: Hoare triple {24918#true} call #t~ret7 := main(); {24918#true} is VALID [2022-04-28 10:23:15,977 INFO L290 TraceCheckUtils]: 5: Hoare triple {24918#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {24918#true} is VALID [2022-04-28 10:23:15,977 INFO L290 TraceCheckUtils]: 6: Hoare triple {24918#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {24918#true} is VALID [2022-04-28 10:23:15,977 INFO L290 TraceCheckUtils]: 7: Hoare triple {24918#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {24923#(= main_~z~0 0)} is VALID [2022-04-28 10:23:15,978 INFO L290 TraceCheckUtils]: 8: Hoare triple {24923#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24924#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:23:15,978 INFO L290 TraceCheckUtils]: 9: Hoare triple {24924#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24925#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:23:15,979 INFO L290 TraceCheckUtils]: 10: Hoare triple {24925#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24926#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:23:15,979 INFO L290 TraceCheckUtils]: 11: Hoare triple {24926#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24927#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:23:15,980 INFO L290 TraceCheckUtils]: 12: Hoare triple {24927#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24928#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:23:15,980 INFO L290 TraceCheckUtils]: 13: Hoare triple {24928#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24929#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:23:15,980 INFO L290 TraceCheckUtils]: 14: Hoare triple {24929#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24930#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:23:15,981 INFO L290 TraceCheckUtils]: 15: Hoare triple {24930#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24931#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:23:15,981 INFO L290 TraceCheckUtils]: 16: Hoare triple {24931#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24932#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:23:15,982 INFO L290 TraceCheckUtils]: 17: Hoare triple {24932#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24933#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:23:15,982 INFO L290 TraceCheckUtils]: 18: Hoare triple {24933#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24934#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:23:15,983 INFO L290 TraceCheckUtils]: 19: Hoare triple {24934#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24935#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:23:15,983 INFO L290 TraceCheckUtils]: 20: Hoare triple {24935#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24936#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:23:15,984 INFO L290 TraceCheckUtils]: 21: Hoare triple {24936#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24937#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:23:15,984 INFO L290 TraceCheckUtils]: 22: Hoare triple {24937#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24938#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:23:15,985 INFO L290 TraceCheckUtils]: 23: Hoare triple {24938#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24939#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:23:15,985 INFO L290 TraceCheckUtils]: 24: Hoare triple {24939#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24940#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:23:15,986 INFO L290 TraceCheckUtils]: 25: Hoare triple {24940#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24941#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:23:15,986 INFO L290 TraceCheckUtils]: 26: Hoare triple {24941#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24942#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:23:15,986 INFO L290 TraceCheckUtils]: 27: Hoare triple {24942#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24943#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 10:23:15,987 INFO L290 TraceCheckUtils]: 28: Hoare triple {24943#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24944#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 10:23:15,987 INFO L290 TraceCheckUtils]: 29: Hoare triple {24944#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24945#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 10:23:15,988 INFO L290 TraceCheckUtils]: 30: Hoare triple {24945#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24946#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 10:23:15,988 INFO L290 TraceCheckUtils]: 31: Hoare triple {24946#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24947#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 10:23:15,989 INFO L290 TraceCheckUtils]: 32: Hoare triple {24947#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24948#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 10:23:15,989 INFO L290 TraceCheckUtils]: 33: Hoare triple {24948#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24949#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 10:23:15,990 INFO L290 TraceCheckUtils]: 34: Hoare triple {24949#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24950#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 10:23:15,990 INFO L290 TraceCheckUtils]: 35: Hoare triple {24950#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24951#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 10:23:15,991 INFO L290 TraceCheckUtils]: 36: Hoare triple {24951#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24952#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 10:23:15,991 INFO L290 TraceCheckUtils]: 37: Hoare triple {24952#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24953#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 10:23:15,991 INFO L290 TraceCheckUtils]: 38: Hoare triple {24953#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24954#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 10:23:15,992 INFO L290 TraceCheckUtils]: 39: Hoare triple {24954#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24955#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 10:23:15,992 INFO L290 TraceCheckUtils]: 40: Hoare triple {24955#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24956#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 10:23:15,993 INFO L290 TraceCheckUtils]: 41: Hoare triple {24956#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24957#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 10:23:15,993 INFO L290 TraceCheckUtils]: 42: Hoare triple {24957#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24958#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 10:23:15,994 INFO L290 TraceCheckUtils]: 43: Hoare triple {24958#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24959#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 10:23:15,994 INFO L290 TraceCheckUtils]: 44: Hoare triple {24959#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24960#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 10:23:15,995 INFO L290 TraceCheckUtils]: 45: Hoare triple {24960#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24961#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 10:23:15,995 INFO L290 TraceCheckUtils]: 46: Hoare triple {24961#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {24962#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 10:23:15,996 INFO L290 TraceCheckUtils]: 47: Hoare triple {24962#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25109#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 10:23:15,996 INFO L290 TraceCheckUtils]: 48: Hoare triple {25109#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !(~z~0 % 4294967296 < 268435455); {24919#false} is VALID [2022-04-28 10:23:15,996 INFO L272 TraceCheckUtils]: 49: Hoare triple {24919#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {24919#false} is VALID [2022-04-28 10:23:15,996 INFO L290 TraceCheckUtils]: 50: Hoare triple {24919#false} ~cond := #in~cond; {24919#false} is VALID [2022-04-28 10:23:15,996 INFO L290 TraceCheckUtils]: 51: Hoare triple {24919#false} assume 0 == ~cond; {24919#false} is VALID [2022-04-28 10:23:15,996 INFO L290 TraceCheckUtils]: 52: Hoare triple {24919#false} assume !false; {24919#false} is VALID [2022-04-28 10:23:15,997 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:23:15,997 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 10:23:18,432 INFO L290 TraceCheckUtils]: 52: Hoare triple {24919#false} assume !false; {24919#false} is VALID [2022-04-28 10:23:18,433 INFO L290 TraceCheckUtils]: 51: Hoare triple {24919#false} assume 0 == ~cond; {24919#false} is VALID [2022-04-28 10:23:18,433 INFO L290 TraceCheckUtils]: 50: Hoare triple {24919#false} ~cond := #in~cond; {24919#false} is VALID [2022-04-28 10:23:18,433 INFO L272 TraceCheckUtils]: 49: Hoare triple {24919#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {24919#false} is VALID [2022-04-28 10:23:18,434 INFO L290 TraceCheckUtils]: 48: Hoare triple {25137#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {24919#false} is VALID [2022-04-28 10:23:18,434 INFO L290 TraceCheckUtils]: 47: Hoare triple {25141#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25137#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 10:23:18,435 INFO L290 TraceCheckUtils]: 46: Hoare triple {25145#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25141#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 10:23:18,435 INFO L290 TraceCheckUtils]: 45: Hoare triple {25149#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25145#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 10:23:18,436 INFO L290 TraceCheckUtils]: 44: Hoare triple {25153#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25149#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 10:23:18,443 INFO L290 TraceCheckUtils]: 43: Hoare triple {25157#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25153#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 10:23:18,443 INFO L290 TraceCheckUtils]: 42: Hoare triple {25161#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25157#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:23:18,444 INFO L290 TraceCheckUtils]: 41: Hoare triple {25165#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25161#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} is VALID [2022-04-28 10:23:18,444 INFO L290 TraceCheckUtils]: 40: Hoare triple {25169#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25165#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:23:18,445 INFO L290 TraceCheckUtils]: 39: Hoare triple {25173#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25169#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} is VALID [2022-04-28 10:23:18,445 INFO L290 TraceCheckUtils]: 38: Hoare triple {25177#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25173#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} is VALID [2022-04-28 10:23:18,446 INFO L290 TraceCheckUtils]: 37: Hoare triple {25181#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25177#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} is VALID [2022-04-28 10:23:18,453 INFO L290 TraceCheckUtils]: 36: Hoare triple {25185#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25181#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} is VALID [2022-04-28 10:23:18,453 INFO L290 TraceCheckUtils]: 35: Hoare triple {25189#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25185#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} is VALID [2022-04-28 10:23:18,454 INFO L290 TraceCheckUtils]: 34: Hoare triple {25193#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25189#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} is VALID [2022-04-28 10:23:18,454 INFO L290 TraceCheckUtils]: 33: Hoare triple {25197#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25193#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} is VALID [2022-04-28 10:23:18,455 INFO L290 TraceCheckUtils]: 32: Hoare triple {25201#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25197#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} is VALID [2022-04-28 10:23:18,456 INFO L290 TraceCheckUtils]: 31: Hoare triple {25205#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25201#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} is VALID [2022-04-28 10:23:18,456 INFO L290 TraceCheckUtils]: 30: Hoare triple {25209#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25205#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} is VALID [2022-04-28 10:23:18,457 INFO L290 TraceCheckUtils]: 29: Hoare triple {25213#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25209#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} is VALID [2022-04-28 10:23:18,457 INFO L290 TraceCheckUtils]: 28: Hoare triple {25217#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25213#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:23:18,458 INFO L290 TraceCheckUtils]: 27: Hoare triple {25221#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25217#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} is VALID [2022-04-28 10:23:18,458 INFO L290 TraceCheckUtils]: 26: Hoare triple {25225#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25221#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} is VALID [2022-04-28 10:23:18,459 INFO L290 TraceCheckUtils]: 25: Hoare triple {25229#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25225#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} is VALID [2022-04-28 10:23:18,459 INFO L290 TraceCheckUtils]: 24: Hoare triple {25233#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25229#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:23:18,460 INFO L290 TraceCheckUtils]: 23: Hoare triple {25237#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25233#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} is VALID [2022-04-28 10:23:18,461 INFO L290 TraceCheckUtils]: 22: Hoare triple {25241#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25237#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} is VALID [2022-04-28 10:23:18,461 INFO L290 TraceCheckUtils]: 21: Hoare triple {25245#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25241#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} is VALID [2022-04-28 10:23:18,462 INFO L290 TraceCheckUtils]: 20: Hoare triple {25249#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25245#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} is VALID [2022-04-28 10:23:18,463 INFO L290 TraceCheckUtils]: 19: Hoare triple {25253#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25249#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} is VALID [2022-04-28 10:23:18,463 INFO L290 TraceCheckUtils]: 18: Hoare triple {25257#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25253#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:23:18,464 INFO L290 TraceCheckUtils]: 17: Hoare triple {25261#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25257#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:23:18,464 INFO L290 TraceCheckUtils]: 16: Hoare triple {25265#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25261#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} is VALID [2022-04-28 10:23:18,465 INFO L290 TraceCheckUtils]: 15: Hoare triple {25269#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25265#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:23:18,465 INFO L290 TraceCheckUtils]: 14: Hoare triple {25273#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25269#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} is VALID [2022-04-28 10:23:18,466 INFO L290 TraceCheckUtils]: 13: Hoare triple {25277#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25273#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} is VALID [2022-04-28 10:23:18,466 INFO L290 TraceCheckUtils]: 12: Hoare triple {25281#(< (mod (+ main_~z~0 36) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25277#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:23:18,467 INFO L290 TraceCheckUtils]: 11: Hoare triple {25285#(< (mod (+ main_~z~0 37) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25281#(< (mod (+ main_~z~0 36) 4294967296) 268435455)} is VALID [2022-04-28 10:23:18,467 INFO L290 TraceCheckUtils]: 10: Hoare triple {25289#(< (mod (+ main_~z~0 38) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25285#(< (mod (+ main_~z~0 37) 4294967296) 268435455)} is VALID [2022-04-28 10:23:18,468 INFO L290 TraceCheckUtils]: 9: Hoare triple {25293#(< (mod (+ main_~z~0 39) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25289#(< (mod (+ main_~z~0 38) 4294967296) 268435455)} is VALID [2022-04-28 10:23:18,469 INFO L290 TraceCheckUtils]: 8: Hoare triple {25297#(< (mod (+ 40 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25293#(< (mod (+ main_~z~0 39) 4294967296) 268435455)} is VALID [2022-04-28 10:23:18,469 INFO L290 TraceCheckUtils]: 7: Hoare triple {24918#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {25297#(< (mod (+ 40 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:23:18,469 INFO L290 TraceCheckUtils]: 6: Hoare triple {24918#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {24918#true} is VALID [2022-04-28 10:23:18,469 INFO L290 TraceCheckUtils]: 5: Hoare triple {24918#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {24918#true} is VALID [2022-04-28 10:23:18,469 INFO L272 TraceCheckUtils]: 4: Hoare triple {24918#true} call #t~ret7 := main(); {24918#true} is VALID [2022-04-28 10:23:18,469 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {24918#true} {24918#true} #63#return; {24918#true} is VALID [2022-04-28 10:23:18,469 INFO L290 TraceCheckUtils]: 2: Hoare triple {24918#true} assume true; {24918#true} is VALID [2022-04-28 10:23:18,469 INFO L290 TraceCheckUtils]: 1: Hoare triple {24918#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {24918#true} is VALID [2022-04-28 10:23:18,469 INFO L272 TraceCheckUtils]: 0: Hoare triple {24918#true} call ULTIMATE.init(); {24918#true} is VALID [2022-04-28 10:23:18,470 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:23:18,470 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1320653664] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 10:23:18,470 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 10:23:18,470 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 43, 43] total 86 [2022-04-28 10:23:18,470 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 10:23:18,470 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [2073453177] [2022-04-28 10:23:18,470 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [2073453177] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 10:23:18,470 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 10:23:18,470 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [44] imperfect sequences [] total 44 [2022-04-28 10:23:18,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215955354] [2022-04-28 10:23:18,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 10:23:18,471 INFO L78 Accepts]: Start accepts. Automaton has has 44 states, 44 states have (on average 1.1136363636363635) internal successors, (49), 43 states have internal predecessors, (49), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 53 [2022-04-28 10:23:18,471 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 10:23:18,471 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 44 states, 44 states have (on average 1.1136363636363635) internal successors, (49), 43 states have internal predecessors, (49), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:23:18,497 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 53 edges. 53 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:23:18,497 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2022-04-28 10:23:18,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 10:23:18,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2022-04-28 10:23:18,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1932, Invalid=5378, Unknown=0, NotChecked=0, Total=7310 [2022-04-28 10:23:18,498 INFO L87 Difference]: Start difference. First operand 62 states and 66 transitions. Second operand has 44 states, 44 states have (on average 1.1136363636363635) internal successors, (49), 43 states have internal predecessors, (49), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:23:21,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:23:21,825 INFO L93 Difference]: Finished difference Result 119 states and 128 transitions. [2022-04-28 10:23:21,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-04-28 10:23:21,825 INFO L78 Accepts]: Start accepts. Automaton has has 44 states, 44 states have (on average 1.1136363636363635) internal successors, (49), 43 states have internal predecessors, (49), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 53 [2022-04-28 10:23:21,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 10:23:21,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 44 states have (on average 1.1136363636363635) internal successors, (49), 43 states have internal predecessors, (49), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:23:21,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 86 transitions. [2022-04-28 10:23:21,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 44 states have (on average 1.1136363636363635) internal successors, (49), 43 states have internal predecessors, (49), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:23:21,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 86 transitions. [2022-04-28 10:23:21,826 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 44 states and 86 transitions. [2022-04-28 10:23:21,888 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 86 edges. 86 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:23:21,888 INFO L225 Difference]: With dead ends: 119 [2022-04-28 10:23:21,888 INFO L226 Difference]: Without dead ends: 64 [2022-04-28 10:23:21,889 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 67 SyntacticMatches, 1 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 906 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=3857, Invalid=12145, Unknown=0, NotChecked=0, Total=16002 [2022-04-28 10:23:21,890 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 18 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 1813 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 1901 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 1813 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-04-28 10:23:21,890 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 53 Invalid, 1901 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 1813 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-04-28 10:23:21,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2022-04-28 10:23:21,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 63. [2022-04-28 10:23:21,966 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 10:23:21,967 INFO L82 GeneralOperation]: Start isEquivalent. First operand 64 states. Second operand has 63 states, 55 states have (on average 1.0727272727272728) internal successors, (59), 56 states have internal predecessors, (59), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:23:21,967 INFO L74 IsIncluded]: Start isIncluded. First operand 64 states. Second operand has 63 states, 55 states have (on average 1.0727272727272728) internal successors, (59), 56 states have internal predecessors, (59), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:23:21,967 INFO L87 Difference]: Start difference. First operand 64 states. Second operand has 63 states, 55 states have (on average 1.0727272727272728) internal successors, (59), 56 states have internal predecessors, (59), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:23:21,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:23:21,967 INFO L93 Difference]: Finished difference Result 64 states and 68 transitions. [2022-04-28 10:23:21,967 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 68 transitions. [2022-04-28 10:23:21,968 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:23:21,968 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:23:21,968 INFO L74 IsIncluded]: Start isIncluded. First operand has 63 states, 55 states have (on average 1.0727272727272728) internal successors, (59), 56 states have internal predecessors, (59), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 64 states. [2022-04-28 10:23:21,968 INFO L87 Difference]: Start difference. First operand has 63 states, 55 states have (on average 1.0727272727272728) internal successors, (59), 56 states have internal predecessors, (59), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 64 states. [2022-04-28 10:23:21,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:23:21,968 INFO L93 Difference]: Finished difference Result 64 states and 68 transitions. [2022-04-28 10:23:21,969 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 68 transitions. [2022-04-28 10:23:21,969 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:23:21,969 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:23:21,969 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 10:23:21,969 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 10:23:21,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 55 states have (on average 1.0727272727272728) internal successors, (59), 56 states have internal predecessors, (59), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:23:21,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 67 transitions. [2022-04-28 10:23:21,969 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 67 transitions. Word has length 53 [2022-04-28 10:23:21,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 10:23:21,970 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 67 transitions. [2022-04-28 10:23:21,970 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 1.1136363636363635) internal successors, (49), 43 states have internal predecessors, (49), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:23:21,970 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 63 states and 67 transitions. [2022-04-28 10:23:22,033 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 67 edges. 67 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:23:22,034 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 67 transitions. [2022-04-28 10:23:22,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-04-28 10:23:22,034 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 10:23:22,034 INFO L195 NwaCegarLoop]: trace histogram [41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 10:23:22,051 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Forceful destruction successful, exit code 0 [2022-04-28 10:23:22,234 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2022-04-28 10:23:22,235 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 10:23:22,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 10:23:22,235 INFO L85 PathProgramCache]: Analyzing trace with hash 1234980194, now seen corresponding path program 81 times [2022-04-28 10:23:22,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 10:23:22,235 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [433630528] [2022-04-28 10:23:22,237 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-28 10:23:22,237 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-28 10:23:22,237 INFO L85 PathProgramCache]: Analyzing trace with hash 1234980194, now seen corresponding path program 82 times [2022-04-28 10:23:22,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 10:23:22,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806697852] [2022-04-28 10:23:22,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 10:23:22,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 10:23:22,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:23:23,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 10:23:23,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:23:23,119 INFO L290 TraceCheckUtils]: 0: Hoare triple {25946#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {25899#true} is VALID [2022-04-28 10:23:23,119 INFO L290 TraceCheckUtils]: 1: Hoare triple {25899#true} assume true; {25899#true} is VALID [2022-04-28 10:23:23,119 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {25899#true} {25899#true} #63#return; {25899#true} is VALID [2022-04-28 10:23:23,119 INFO L272 TraceCheckUtils]: 0: Hoare triple {25899#true} call ULTIMATE.init(); {25946#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 10:23:23,119 INFO L290 TraceCheckUtils]: 1: Hoare triple {25946#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {25899#true} is VALID [2022-04-28 10:23:23,120 INFO L290 TraceCheckUtils]: 2: Hoare triple {25899#true} assume true; {25899#true} is VALID [2022-04-28 10:23:23,120 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {25899#true} {25899#true} #63#return; {25899#true} is VALID [2022-04-28 10:23:23,120 INFO L272 TraceCheckUtils]: 4: Hoare triple {25899#true} call #t~ret7 := main(); {25899#true} is VALID [2022-04-28 10:23:23,120 INFO L290 TraceCheckUtils]: 5: Hoare triple {25899#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {25899#true} is VALID [2022-04-28 10:23:23,120 INFO L290 TraceCheckUtils]: 6: Hoare triple {25899#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {25899#true} is VALID [2022-04-28 10:23:23,120 INFO L290 TraceCheckUtils]: 7: Hoare triple {25899#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {25904#(= main_~z~0 0)} is VALID [2022-04-28 10:23:23,120 INFO L290 TraceCheckUtils]: 8: Hoare triple {25904#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25905#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:23:23,121 INFO L290 TraceCheckUtils]: 9: Hoare triple {25905#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25906#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:23:23,121 INFO L290 TraceCheckUtils]: 10: Hoare triple {25906#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25907#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:23:23,122 INFO L290 TraceCheckUtils]: 11: Hoare triple {25907#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25908#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:23:23,122 INFO L290 TraceCheckUtils]: 12: Hoare triple {25908#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25909#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:23:23,123 INFO L290 TraceCheckUtils]: 13: Hoare triple {25909#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25910#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:23:23,123 INFO L290 TraceCheckUtils]: 14: Hoare triple {25910#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25911#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:23:23,124 INFO L290 TraceCheckUtils]: 15: Hoare triple {25911#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25912#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:23:23,124 INFO L290 TraceCheckUtils]: 16: Hoare triple {25912#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25913#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:23:23,125 INFO L290 TraceCheckUtils]: 17: Hoare triple {25913#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25914#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:23:23,125 INFO L290 TraceCheckUtils]: 18: Hoare triple {25914#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25915#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:23:23,126 INFO L290 TraceCheckUtils]: 19: Hoare triple {25915#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25916#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:23:23,126 INFO L290 TraceCheckUtils]: 20: Hoare triple {25916#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25917#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:23:23,127 INFO L290 TraceCheckUtils]: 21: Hoare triple {25917#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25918#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:23:23,127 INFO L290 TraceCheckUtils]: 22: Hoare triple {25918#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25919#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:23:23,128 INFO L290 TraceCheckUtils]: 23: Hoare triple {25919#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25920#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:23:23,128 INFO L290 TraceCheckUtils]: 24: Hoare triple {25920#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25921#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:23:23,129 INFO L290 TraceCheckUtils]: 25: Hoare triple {25921#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25922#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:23:23,129 INFO L290 TraceCheckUtils]: 26: Hoare triple {25922#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25923#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:23:23,129 INFO L290 TraceCheckUtils]: 27: Hoare triple {25923#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25924#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 10:23:23,130 INFO L290 TraceCheckUtils]: 28: Hoare triple {25924#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25925#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 10:23:23,130 INFO L290 TraceCheckUtils]: 29: Hoare triple {25925#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25926#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 10:23:23,131 INFO L290 TraceCheckUtils]: 30: Hoare triple {25926#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25927#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 10:23:23,131 INFO L290 TraceCheckUtils]: 31: Hoare triple {25927#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25928#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 10:23:23,132 INFO L290 TraceCheckUtils]: 32: Hoare triple {25928#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25929#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 10:23:23,132 INFO L290 TraceCheckUtils]: 33: Hoare triple {25929#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25930#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 10:23:23,133 INFO L290 TraceCheckUtils]: 34: Hoare triple {25930#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25931#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 10:23:23,133 INFO L290 TraceCheckUtils]: 35: Hoare triple {25931#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25932#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 10:23:23,134 INFO L290 TraceCheckUtils]: 36: Hoare triple {25932#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25933#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 10:23:23,134 INFO L290 TraceCheckUtils]: 37: Hoare triple {25933#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25934#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 10:23:23,134 INFO L290 TraceCheckUtils]: 38: Hoare triple {25934#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25935#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 10:23:23,135 INFO L290 TraceCheckUtils]: 39: Hoare triple {25935#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25936#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 10:23:23,135 INFO L290 TraceCheckUtils]: 40: Hoare triple {25936#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25937#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 10:23:23,136 INFO L290 TraceCheckUtils]: 41: Hoare triple {25937#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25938#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 10:23:23,136 INFO L290 TraceCheckUtils]: 42: Hoare triple {25938#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25939#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 10:23:23,137 INFO L290 TraceCheckUtils]: 43: Hoare triple {25939#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25940#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 10:23:23,137 INFO L290 TraceCheckUtils]: 44: Hoare triple {25940#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25941#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 10:23:23,138 INFO L290 TraceCheckUtils]: 45: Hoare triple {25941#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25942#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 10:23:23,138 INFO L290 TraceCheckUtils]: 46: Hoare triple {25942#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25943#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 10:23:23,138 INFO L290 TraceCheckUtils]: 47: Hoare triple {25943#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25944#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 10:23:23,139 INFO L290 TraceCheckUtils]: 48: Hoare triple {25944#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25945#(and (<= main_~z~0 41) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} is VALID [2022-04-28 10:23:23,139 INFO L290 TraceCheckUtils]: 49: Hoare triple {25945#(and (<= main_~z~0 41) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} assume !(~z~0 % 4294967296 < 268435455); {25900#false} is VALID [2022-04-28 10:23:23,139 INFO L272 TraceCheckUtils]: 50: Hoare triple {25900#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {25900#false} is VALID [2022-04-28 10:23:23,140 INFO L290 TraceCheckUtils]: 51: Hoare triple {25900#false} ~cond := #in~cond; {25900#false} is VALID [2022-04-28 10:23:23,140 INFO L290 TraceCheckUtils]: 52: Hoare triple {25900#false} assume 0 == ~cond; {25900#false} is VALID [2022-04-28 10:23:23,140 INFO L290 TraceCheckUtils]: 53: Hoare triple {25900#false} assume !false; {25900#false} is VALID [2022-04-28 10:23:23,140 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:23:23,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 10:23:23,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806697852] [2022-04-28 10:23:23,140 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806697852] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 10:23:23,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [51973390] [2022-04-28 10:23:23,140 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-28 10:23:23,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:23:23,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 10:23:23,141 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 10:23:23,142 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2022-04-28 10:23:23,246 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-28 10:23:23,246 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 10:23:23,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 85 conjunts are in the unsatisfiable core [2022-04-28 10:23:23,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:23:23,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 10:23:24,169 INFO L272 TraceCheckUtils]: 0: Hoare triple {25899#true} call ULTIMATE.init(); {25899#true} is VALID [2022-04-28 10:23:24,169 INFO L290 TraceCheckUtils]: 1: Hoare triple {25899#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {25899#true} is VALID [2022-04-28 10:23:24,169 INFO L290 TraceCheckUtils]: 2: Hoare triple {25899#true} assume true; {25899#true} is VALID [2022-04-28 10:23:24,169 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {25899#true} {25899#true} #63#return; {25899#true} is VALID [2022-04-28 10:23:24,169 INFO L272 TraceCheckUtils]: 4: Hoare triple {25899#true} call #t~ret7 := main(); {25899#true} is VALID [2022-04-28 10:23:24,169 INFO L290 TraceCheckUtils]: 5: Hoare triple {25899#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {25899#true} is VALID [2022-04-28 10:23:24,169 INFO L290 TraceCheckUtils]: 6: Hoare triple {25899#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {25899#true} is VALID [2022-04-28 10:23:24,169 INFO L290 TraceCheckUtils]: 7: Hoare triple {25899#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {25904#(= main_~z~0 0)} is VALID [2022-04-28 10:23:24,170 INFO L290 TraceCheckUtils]: 8: Hoare triple {25904#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25905#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:23:24,170 INFO L290 TraceCheckUtils]: 9: Hoare triple {25905#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25906#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:23:24,171 INFO L290 TraceCheckUtils]: 10: Hoare triple {25906#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25907#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:23:24,171 INFO L290 TraceCheckUtils]: 11: Hoare triple {25907#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25908#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:23:24,172 INFO L290 TraceCheckUtils]: 12: Hoare triple {25908#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25909#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:23:24,172 INFO L290 TraceCheckUtils]: 13: Hoare triple {25909#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25910#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:23:24,173 INFO L290 TraceCheckUtils]: 14: Hoare triple {25910#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25911#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:23:24,173 INFO L290 TraceCheckUtils]: 15: Hoare triple {25911#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25912#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:23:24,173 INFO L290 TraceCheckUtils]: 16: Hoare triple {25912#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25913#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:23:24,174 INFO L290 TraceCheckUtils]: 17: Hoare triple {25913#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25914#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:23:24,174 INFO L290 TraceCheckUtils]: 18: Hoare triple {25914#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25915#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:23:24,175 INFO L290 TraceCheckUtils]: 19: Hoare triple {25915#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25916#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:23:24,175 INFO L290 TraceCheckUtils]: 20: Hoare triple {25916#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25917#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:23:24,176 INFO L290 TraceCheckUtils]: 21: Hoare triple {25917#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25918#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:23:24,176 INFO L290 TraceCheckUtils]: 22: Hoare triple {25918#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25919#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:23:24,177 INFO L290 TraceCheckUtils]: 23: Hoare triple {25919#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25920#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:23:24,177 INFO L290 TraceCheckUtils]: 24: Hoare triple {25920#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25921#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:23:24,178 INFO L290 TraceCheckUtils]: 25: Hoare triple {25921#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25922#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:23:24,178 INFO L290 TraceCheckUtils]: 26: Hoare triple {25922#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25923#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:23:24,178 INFO L290 TraceCheckUtils]: 27: Hoare triple {25923#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25924#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 10:23:24,179 INFO L290 TraceCheckUtils]: 28: Hoare triple {25924#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25925#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 10:23:24,179 INFO L290 TraceCheckUtils]: 29: Hoare triple {25925#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25926#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 10:23:24,180 INFO L290 TraceCheckUtils]: 30: Hoare triple {25926#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25927#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 10:23:24,180 INFO L290 TraceCheckUtils]: 31: Hoare triple {25927#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25928#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 10:23:24,181 INFO L290 TraceCheckUtils]: 32: Hoare triple {25928#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25929#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 10:23:24,181 INFO L290 TraceCheckUtils]: 33: Hoare triple {25929#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25930#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 10:23:24,182 INFO L290 TraceCheckUtils]: 34: Hoare triple {25930#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25931#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 10:23:24,182 INFO L290 TraceCheckUtils]: 35: Hoare triple {25931#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25932#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 10:23:24,182 INFO L290 TraceCheckUtils]: 36: Hoare triple {25932#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25933#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 10:23:24,183 INFO L290 TraceCheckUtils]: 37: Hoare triple {25933#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25934#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 10:23:24,183 INFO L290 TraceCheckUtils]: 38: Hoare triple {25934#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25935#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 10:23:24,184 INFO L290 TraceCheckUtils]: 39: Hoare triple {25935#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25936#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 10:23:24,184 INFO L290 TraceCheckUtils]: 40: Hoare triple {25936#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25937#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 10:23:24,185 INFO L290 TraceCheckUtils]: 41: Hoare triple {25937#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25938#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 10:23:24,185 INFO L290 TraceCheckUtils]: 42: Hoare triple {25938#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25939#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 10:23:24,186 INFO L290 TraceCheckUtils]: 43: Hoare triple {25939#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25940#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 10:23:24,186 INFO L290 TraceCheckUtils]: 44: Hoare triple {25940#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25941#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 10:23:24,187 INFO L290 TraceCheckUtils]: 45: Hoare triple {25941#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25942#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 10:23:24,187 INFO L290 TraceCheckUtils]: 46: Hoare triple {25942#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25943#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 10:23:24,187 INFO L290 TraceCheckUtils]: 47: Hoare triple {25943#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {25944#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 10:23:24,188 INFO L290 TraceCheckUtils]: 48: Hoare triple {25944#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26094#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 10:23:24,188 INFO L290 TraceCheckUtils]: 49: Hoare triple {26094#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !(~z~0 % 4294967296 < 268435455); {25900#false} is VALID [2022-04-28 10:23:24,188 INFO L272 TraceCheckUtils]: 50: Hoare triple {25900#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {25900#false} is VALID [2022-04-28 10:23:24,188 INFO L290 TraceCheckUtils]: 51: Hoare triple {25900#false} ~cond := #in~cond; {25900#false} is VALID [2022-04-28 10:23:24,189 INFO L290 TraceCheckUtils]: 52: Hoare triple {25900#false} assume 0 == ~cond; {25900#false} is VALID [2022-04-28 10:23:24,189 INFO L290 TraceCheckUtils]: 53: Hoare triple {25900#false} assume !false; {25900#false} is VALID [2022-04-28 10:23:24,189 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:23:24,189 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 10:23:26,736 INFO L290 TraceCheckUtils]: 53: Hoare triple {25900#false} assume !false; {25900#false} is VALID [2022-04-28 10:23:26,737 INFO L290 TraceCheckUtils]: 52: Hoare triple {25900#false} assume 0 == ~cond; {25900#false} is VALID [2022-04-28 10:23:26,737 INFO L290 TraceCheckUtils]: 51: Hoare triple {25900#false} ~cond := #in~cond; {25900#false} is VALID [2022-04-28 10:23:26,737 INFO L272 TraceCheckUtils]: 50: Hoare triple {25900#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {25900#false} is VALID [2022-04-28 10:23:26,737 INFO L290 TraceCheckUtils]: 49: Hoare triple {26122#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {25900#false} is VALID [2022-04-28 10:23:26,738 INFO L290 TraceCheckUtils]: 48: Hoare triple {26126#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26122#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 10:23:26,738 INFO L290 TraceCheckUtils]: 47: Hoare triple {26130#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26126#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 10:23:26,739 INFO L290 TraceCheckUtils]: 46: Hoare triple {26134#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26130#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 10:23:26,739 INFO L290 TraceCheckUtils]: 45: Hoare triple {26138#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26134#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 10:23:26,740 INFO L290 TraceCheckUtils]: 44: Hoare triple {26142#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26138#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 10:23:26,740 INFO L290 TraceCheckUtils]: 43: Hoare triple {26146#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26142#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:23:26,741 INFO L290 TraceCheckUtils]: 42: Hoare triple {26150#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26146#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} is VALID [2022-04-28 10:23:26,742 INFO L290 TraceCheckUtils]: 41: Hoare triple {26154#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26150#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:23:26,742 INFO L290 TraceCheckUtils]: 40: Hoare triple {26158#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26154#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} is VALID [2022-04-28 10:23:26,743 INFO L290 TraceCheckUtils]: 39: Hoare triple {26162#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26158#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} is VALID [2022-04-28 10:23:26,743 INFO L290 TraceCheckUtils]: 38: Hoare triple {26166#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26162#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} is VALID [2022-04-28 10:23:26,744 INFO L290 TraceCheckUtils]: 37: Hoare triple {26170#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26166#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} is VALID [2022-04-28 10:23:26,744 INFO L290 TraceCheckUtils]: 36: Hoare triple {26174#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26170#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} is VALID [2022-04-28 10:23:26,745 INFO L290 TraceCheckUtils]: 35: Hoare triple {26178#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26174#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} is VALID [2022-04-28 10:23:26,745 INFO L290 TraceCheckUtils]: 34: Hoare triple {26182#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26178#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} is VALID [2022-04-28 10:23:26,746 INFO L290 TraceCheckUtils]: 33: Hoare triple {26186#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26182#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} is VALID [2022-04-28 10:23:26,746 INFO L290 TraceCheckUtils]: 32: Hoare triple {26190#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26186#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} is VALID [2022-04-28 10:23:26,747 INFO L290 TraceCheckUtils]: 31: Hoare triple {26194#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26190#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} is VALID [2022-04-28 10:23:26,748 INFO L290 TraceCheckUtils]: 30: Hoare triple {26198#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26194#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} is VALID [2022-04-28 10:23:26,748 INFO L290 TraceCheckUtils]: 29: Hoare triple {26202#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26198#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:23:26,749 INFO L290 TraceCheckUtils]: 28: Hoare triple {26206#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26202#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} is VALID [2022-04-28 10:23:26,749 INFO L290 TraceCheckUtils]: 27: Hoare triple {26210#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26206#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} is VALID [2022-04-28 10:23:26,750 INFO L290 TraceCheckUtils]: 26: Hoare triple {26214#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26210#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} is VALID [2022-04-28 10:23:26,750 INFO L290 TraceCheckUtils]: 25: Hoare triple {26218#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26214#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:23:26,751 INFO L290 TraceCheckUtils]: 24: Hoare triple {26222#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26218#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} is VALID [2022-04-28 10:23:26,751 INFO L290 TraceCheckUtils]: 23: Hoare triple {26226#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26222#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} is VALID [2022-04-28 10:23:26,752 INFO L290 TraceCheckUtils]: 22: Hoare triple {26230#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26226#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} is VALID [2022-04-28 10:23:26,753 INFO L290 TraceCheckUtils]: 21: Hoare triple {26234#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26230#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} is VALID [2022-04-28 10:23:26,753 INFO L290 TraceCheckUtils]: 20: Hoare triple {26238#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26234#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} is VALID [2022-04-28 10:23:26,754 INFO L290 TraceCheckUtils]: 19: Hoare triple {26242#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26238#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:23:26,754 INFO L290 TraceCheckUtils]: 18: Hoare triple {26246#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26242#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:23:26,755 INFO L290 TraceCheckUtils]: 17: Hoare triple {26250#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26246#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} is VALID [2022-04-28 10:23:26,755 INFO L290 TraceCheckUtils]: 16: Hoare triple {26254#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26250#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:23:26,756 INFO L290 TraceCheckUtils]: 15: Hoare triple {26258#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26254#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} is VALID [2022-04-28 10:23:26,756 INFO L290 TraceCheckUtils]: 14: Hoare triple {26262#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26258#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} is VALID [2022-04-28 10:23:26,757 INFO L290 TraceCheckUtils]: 13: Hoare triple {26266#(< (mod (+ main_~z~0 36) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26262#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:23:26,757 INFO L290 TraceCheckUtils]: 12: Hoare triple {26270#(< (mod (+ main_~z~0 37) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26266#(< (mod (+ main_~z~0 36) 4294967296) 268435455)} is VALID [2022-04-28 10:23:26,758 INFO L290 TraceCheckUtils]: 11: Hoare triple {26274#(< (mod (+ main_~z~0 38) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26270#(< (mod (+ main_~z~0 37) 4294967296) 268435455)} is VALID [2022-04-28 10:23:26,759 INFO L290 TraceCheckUtils]: 10: Hoare triple {26278#(< (mod (+ main_~z~0 39) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26274#(< (mod (+ main_~z~0 38) 4294967296) 268435455)} is VALID [2022-04-28 10:23:26,759 INFO L290 TraceCheckUtils]: 9: Hoare triple {26282#(< (mod (+ 40 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26278#(< (mod (+ main_~z~0 39) 4294967296) 268435455)} is VALID [2022-04-28 10:23:26,760 INFO L290 TraceCheckUtils]: 8: Hoare triple {26286#(< (mod (+ 41 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26282#(< (mod (+ 40 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:23:26,760 INFO L290 TraceCheckUtils]: 7: Hoare triple {25899#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {26286#(< (mod (+ 41 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:23:26,760 INFO L290 TraceCheckUtils]: 6: Hoare triple {25899#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {25899#true} is VALID [2022-04-28 10:23:26,760 INFO L290 TraceCheckUtils]: 5: Hoare triple {25899#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {25899#true} is VALID [2022-04-28 10:23:26,760 INFO L272 TraceCheckUtils]: 4: Hoare triple {25899#true} call #t~ret7 := main(); {25899#true} is VALID [2022-04-28 10:23:26,760 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {25899#true} {25899#true} #63#return; {25899#true} is VALID [2022-04-28 10:23:26,760 INFO L290 TraceCheckUtils]: 2: Hoare triple {25899#true} assume true; {25899#true} is VALID [2022-04-28 10:23:26,760 INFO L290 TraceCheckUtils]: 1: Hoare triple {25899#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {25899#true} is VALID [2022-04-28 10:23:26,761 INFO L272 TraceCheckUtils]: 0: Hoare triple {25899#true} call ULTIMATE.init(); {25899#true} is VALID [2022-04-28 10:23:26,761 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:23:26,761 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [51973390] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 10:23:26,761 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 10:23:26,761 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 44, 44] total 88 [2022-04-28 10:23:26,761 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 10:23:26,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [433630528] [2022-04-28 10:23:26,761 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [433630528] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 10:23:26,761 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 10:23:26,761 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [45] imperfect sequences [] total 45 [2022-04-28 10:23:26,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164308590] [2022-04-28 10:23:26,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 10:23:26,762 INFO L78 Accepts]: Start accepts. Automaton has has 45 states, 45 states have (on average 1.1111111111111112) internal successors, (50), 44 states have internal predecessors, (50), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 54 [2022-04-28 10:23:26,762 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 10:23:26,762 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 45 states, 45 states have (on average 1.1111111111111112) internal successors, (50), 44 states have internal predecessors, (50), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:23:26,790 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 54 edges. 54 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:23:26,790 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2022-04-28 10:23:26,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 10:23:26,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2022-04-28 10:23:26,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2021, Invalid=5635, Unknown=0, NotChecked=0, Total=7656 [2022-04-28 10:23:26,791 INFO L87 Difference]: Start difference. First operand 63 states and 67 transitions. Second operand has 45 states, 45 states have (on average 1.1111111111111112) internal successors, (50), 44 states have internal predecessors, (50), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:23:30,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:23:30,402 INFO L93 Difference]: Finished difference Result 121 states and 130 transitions. [2022-04-28 10:23:30,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-04-28 10:23:30,402 INFO L78 Accepts]: Start accepts. Automaton has has 45 states, 45 states have (on average 1.1111111111111112) internal successors, (50), 44 states have internal predecessors, (50), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 54 [2022-04-28 10:23:30,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 10:23:30,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 45 states have (on average 1.1111111111111112) internal successors, (50), 44 states have internal predecessors, (50), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:23:30,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 87 transitions. [2022-04-28 10:23:30,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 45 states have (on average 1.1111111111111112) internal successors, (50), 44 states have internal predecessors, (50), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:23:30,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 87 transitions. [2022-04-28 10:23:30,404 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 45 states and 87 transitions. [2022-04-28 10:23:30,467 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 87 edges. 87 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:23:30,468 INFO L225 Difference]: With dead ends: 121 [2022-04-28 10:23:30,468 INFO L226 Difference]: Without dead ends: 65 [2022-04-28 10:23:30,469 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 68 SyntacticMatches, 1 SemanticMatches, 128 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 949 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=4035, Invalid=12735, Unknown=0, NotChecked=0, Total=16770 [2022-04-28 10:23:30,469 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 18 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 2062 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 2152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 2062 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-04-28 10:23:30,469 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 108 Invalid, 2152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 2062 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-04-28 10:23:30,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2022-04-28 10:23:30,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 64. [2022-04-28 10:23:30,533 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 10:23:30,533 INFO L82 GeneralOperation]: Start isEquivalent. First operand 65 states. Second operand has 64 states, 56 states have (on average 1.0714285714285714) internal successors, (60), 57 states have internal predecessors, (60), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:23:30,533 INFO L74 IsIncluded]: Start isIncluded. First operand 65 states. Second operand has 64 states, 56 states have (on average 1.0714285714285714) internal successors, (60), 57 states have internal predecessors, (60), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:23:30,533 INFO L87 Difference]: Start difference. First operand 65 states. Second operand has 64 states, 56 states have (on average 1.0714285714285714) internal successors, (60), 57 states have internal predecessors, (60), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:23:30,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:23:30,534 INFO L93 Difference]: Finished difference Result 65 states and 69 transitions. [2022-04-28 10:23:30,534 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 69 transitions. [2022-04-28 10:23:30,534 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:23:30,534 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:23:30,534 INFO L74 IsIncluded]: Start isIncluded. First operand has 64 states, 56 states have (on average 1.0714285714285714) internal successors, (60), 57 states have internal predecessors, (60), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 65 states. [2022-04-28 10:23:30,534 INFO L87 Difference]: Start difference. First operand has 64 states, 56 states have (on average 1.0714285714285714) internal successors, (60), 57 states have internal predecessors, (60), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 65 states. [2022-04-28 10:23:30,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:23:30,535 INFO L93 Difference]: Finished difference Result 65 states and 69 transitions. [2022-04-28 10:23:30,535 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 69 transitions. [2022-04-28 10:23:30,535 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:23:30,535 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:23:30,535 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 10:23:30,535 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 10:23:30,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 56 states have (on average 1.0714285714285714) internal successors, (60), 57 states have internal predecessors, (60), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:23:30,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 68 transitions. [2022-04-28 10:23:30,536 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 68 transitions. Word has length 54 [2022-04-28 10:23:30,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 10:23:30,536 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 68 transitions. [2022-04-28 10:23:30,536 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 1.1111111111111112) internal successors, (50), 44 states have internal predecessors, (50), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:23:30,536 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 64 states and 68 transitions. [2022-04-28 10:23:30,610 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 68 edges. 68 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:23:30,611 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 68 transitions. [2022-04-28 10:23:30,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-04-28 10:23:30,611 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 10:23:30,611 INFO L195 NwaCegarLoop]: trace histogram [42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 10:23:30,645 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Forceful destruction successful, exit code 0 [2022-04-28 10:23:30,822 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,42 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:23:30,822 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 10:23:30,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 10:23:30,822 INFO L85 PathProgramCache]: Analyzing trace with hash -344017086, now seen corresponding path program 83 times [2022-04-28 10:23:30,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 10:23:30,823 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [401985734] [2022-04-28 10:23:30,825 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-28 10:23:30,825 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-28 10:23:30,825 INFO L85 PathProgramCache]: Analyzing trace with hash -344017086, now seen corresponding path program 84 times [2022-04-28 10:23:30,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 10:23:30,825 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083765542] [2022-04-28 10:23:30,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 10:23:30,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 10:23:30,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:23:31,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 10:23:31,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:23:31,796 INFO L290 TraceCheckUtils]: 0: Hoare triple {26946#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {26898#true} is VALID [2022-04-28 10:23:31,796 INFO L290 TraceCheckUtils]: 1: Hoare triple {26898#true} assume true; {26898#true} is VALID [2022-04-28 10:23:31,796 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {26898#true} {26898#true} #63#return; {26898#true} is VALID [2022-04-28 10:23:31,797 INFO L272 TraceCheckUtils]: 0: Hoare triple {26898#true} call ULTIMATE.init(); {26946#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 10:23:31,797 INFO L290 TraceCheckUtils]: 1: Hoare triple {26946#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {26898#true} is VALID [2022-04-28 10:23:31,797 INFO L290 TraceCheckUtils]: 2: Hoare triple {26898#true} assume true; {26898#true} is VALID [2022-04-28 10:23:31,797 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {26898#true} {26898#true} #63#return; {26898#true} is VALID [2022-04-28 10:23:31,797 INFO L272 TraceCheckUtils]: 4: Hoare triple {26898#true} call #t~ret7 := main(); {26898#true} is VALID [2022-04-28 10:23:31,797 INFO L290 TraceCheckUtils]: 5: Hoare triple {26898#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {26898#true} is VALID [2022-04-28 10:23:31,797 INFO L290 TraceCheckUtils]: 6: Hoare triple {26898#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {26898#true} is VALID [2022-04-28 10:23:31,797 INFO L290 TraceCheckUtils]: 7: Hoare triple {26898#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {26903#(= main_~z~0 0)} is VALID [2022-04-28 10:23:31,798 INFO L290 TraceCheckUtils]: 8: Hoare triple {26903#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26904#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:23:31,798 INFO L290 TraceCheckUtils]: 9: Hoare triple {26904#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26905#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:23:31,799 INFO L290 TraceCheckUtils]: 10: Hoare triple {26905#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26906#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:23:31,799 INFO L290 TraceCheckUtils]: 11: Hoare triple {26906#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26907#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:23:31,799 INFO L290 TraceCheckUtils]: 12: Hoare triple {26907#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26908#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:23:31,800 INFO L290 TraceCheckUtils]: 13: Hoare triple {26908#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26909#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:23:31,800 INFO L290 TraceCheckUtils]: 14: Hoare triple {26909#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26910#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:23:31,801 INFO L290 TraceCheckUtils]: 15: Hoare triple {26910#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26911#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:23:31,801 INFO L290 TraceCheckUtils]: 16: Hoare triple {26911#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26912#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:23:31,802 INFO L290 TraceCheckUtils]: 17: Hoare triple {26912#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26913#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:23:31,802 INFO L290 TraceCheckUtils]: 18: Hoare triple {26913#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26914#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:23:31,803 INFO L290 TraceCheckUtils]: 19: Hoare triple {26914#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26915#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:23:31,803 INFO L290 TraceCheckUtils]: 20: Hoare triple {26915#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26916#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:23:31,804 INFO L290 TraceCheckUtils]: 21: Hoare triple {26916#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26917#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:23:31,804 INFO L290 TraceCheckUtils]: 22: Hoare triple {26917#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26918#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:23:31,805 INFO L290 TraceCheckUtils]: 23: Hoare triple {26918#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26919#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:23:31,805 INFO L290 TraceCheckUtils]: 24: Hoare triple {26919#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26920#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:23:31,805 INFO L290 TraceCheckUtils]: 25: Hoare triple {26920#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26921#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:23:31,806 INFO L290 TraceCheckUtils]: 26: Hoare triple {26921#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26922#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:23:31,806 INFO L290 TraceCheckUtils]: 27: Hoare triple {26922#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26923#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 10:23:31,807 INFO L290 TraceCheckUtils]: 28: Hoare triple {26923#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26924#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 10:23:31,807 INFO L290 TraceCheckUtils]: 29: Hoare triple {26924#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26925#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 10:23:31,808 INFO L290 TraceCheckUtils]: 30: Hoare triple {26925#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26926#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 10:23:31,808 INFO L290 TraceCheckUtils]: 31: Hoare triple {26926#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26927#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 10:23:31,809 INFO L290 TraceCheckUtils]: 32: Hoare triple {26927#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26928#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 10:23:31,809 INFO L290 TraceCheckUtils]: 33: Hoare triple {26928#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26929#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 10:23:31,810 INFO L290 TraceCheckUtils]: 34: Hoare triple {26929#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26930#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 10:23:31,810 INFO L290 TraceCheckUtils]: 35: Hoare triple {26930#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26931#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 10:23:31,810 INFO L290 TraceCheckUtils]: 36: Hoare triple {26931#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26932#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 10:23:31,811 INFO L290 TraceCheckUtils]: 37: Hoare triple {26932#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26933#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 10:23:31,811 INFO L290 TraceCheckUtils]: 38: Hoare triple {26933#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26934#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 10:23:31,812 INFO L290 TraceCheckUtils]: 39: Hoare triple {26934#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26935#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 10:23:31,812 INFO L290 TraceCheckUtils]: 40: Hoare triple {26935#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26936#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 10:23:31,813 INFO L290 TraceCheckUtils]: 41: Hoare triple {26936#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26937#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 10:23:31,813 INFO L290 TraceCheckUtils]: 42: Hoare triple {26937#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26938#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 10:23:31,814 INFO L290 TraceCheckUtils]: 43: Hoare triple {26938#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26939#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 10:23:31,814 INFO L290 TraceCheckUtils]: 44: Hoare triple {26939#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26940#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 10:23:31,815 INFO L290 TraceCheckUtils]: 45: Hoare triple {26940#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26941#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 10:23:31,815 INFO L290 TraceCheckUtils]: 46: Hoare triple {26941#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26942#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 10:23:31,815 INFO L290 TraceCheckUtils]: 47: Hoare triple {26942#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26943#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 10:23:31,816 INFO L290 TraceCheckUtils]: 48: Hoare triple {26943#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26944#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 10:23:31,816 INFO L290 TraceCheckUtils]: 49: Hoare triple {26944#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26945#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 42))} is VALID [2022-04-28 10:23:31,817 INFO L290 TraceCheckUtils]: 50: Hoare triple {26945#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 42))} assume !(~z~0 % 4294967296 < 268435455); {26899#false} is VALID [2022-04-28 10:23:31,817 INFO L272 TraceCheckUtils]: 51: Hoare triple {26899#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {26899#false} is VALID [2022-04-28 10:23:31,817 INFO L290 TraceCheckUtils]: 52: Hoare triple {26899#false} ~cond := #in~cond; {26899#false} is VALID [2022-04-28 10:23:31,817 INFO L290 TraceCheckUtils]: 53: Hoare triple {26899#false} assume 0 == ~cond; {26899#false} is VALID [2022-04-28 10:23:31,817 INFO L290 TraceCheckUtils]: 54: Hoare triple {26899#false} assume !false; {26899#false} is VALID [2022-04-28 10:23:31,817 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:23:31,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 10:23:31,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083765542] [2022-04-28 10:23:31,818 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083765542] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 10:23:31,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1239532058] [2022-04-28 10:23:31,818 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-04-28 10:23:31,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:23:31,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 10:23:31,819 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 10:23:31,819 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2022-04-28 10:23:36,145 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 22 check-sat command(s) [2022-04-28 10:23:36,145 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 10:23:36,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 87 conjunts are in the unsatisfiable core [2022-04-28 10:23:36,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:23:36,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 10:23:36,628 INFO L272 TraceCheckUtils]: 0: Hoare triple {26898#true} call ULTIMATE.init(); {26898#true} is VALID [2022-04-28 10:23:36,628 INFO L290 TraceCheckUtils]: 1: Hoare triple {26898#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {26898#true} is VALID [2022-04-28 10:23:36,628 INFO L290 TraceCheckUtils]: 2: Hoare triple {26898#true} assume true; {26898#true} is VALID [2022-04-28 10:23:36,628 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {26898#true} {26898#true} #63#return; {26898#true} is VALID [2022-04-28 10:23:36,628 INFO L272 TraceCheckUtils]: 4: Hoare triple {26898#true} call #t~ret7 := main(); {26898#true} is VALID [2022-04-28 10:23:36,629 INFO L290 TraceCheckUtils]: 5: Hoare triple {26898#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {26898#true} is VALID [2022-04-28 10:23:36,629 INFO L290 TraceCheckUtils]: 6: Hoare triple {26898#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {26898#true} is VALID [2022-04-28 10:23:36,629 INFO L290 TraceCheckUtils]: 7: Hoare triple {26898#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {26903#(= main_~z~0 0)} is VALID [2022-04-28 10:23:36,629 INFO L290 TraceCheckUtils]: 8: Hoare triple {26903#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26904#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:23:36,630 INFO L290 TraceCheckUtils]: 9: Hoare triple {26904#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26905#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:23:36,630 INFO L290 TraceCheckUtils]: 10: Hoare triple {26905#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26906#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:23:36,631 INFO L290 TraceCheckUtils]: 11: Hoare triple {26906#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26907#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:23:36,631 INFO L290 TraceCheckUtils]: 12: Hoare triple {26907#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26908#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:23:36,631 INFO L290 TraceCheckUtils]: 13: Hoare triple {26908#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26909#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:23:36,632 INFO L290 TraceCheckUtils]: 14: Hoare triple {26909#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26910#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:23:36,632 INFO L290 TraceCheckUtils]: 15: Hoare triple {26910#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26911#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:23:36,633 INFO L290 TraceCheckUtils]: 16: Hoare triple {26911#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26912#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:23:36,633 INFO L290 TraceCheckUtils]: 17: Hoare triple {26912#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26913#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:23:36,634 INFO L290 TraceCheckUtils]: 18: Hoare triple {26913#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26914#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:23:36,634 INFO L290 TraceCheckUtils]: 19: Hoare triple {26914#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26915#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:23:36,635 INFO L290 TraceCheckUtils]: 20: Hoare triple {26915#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26916#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:23:36,635 INFO L290 TraceCheckUtils]: 21: Hoare triple {26916#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26917#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:23:36,636 INFO L290 TraceCheckUtils]: 22: Hoare triple {26917#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26918#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:23:36,636 INFO L290 TraceCheckUtils]: 23: Hoare triple {26918#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26919#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:23:36,637 INFO L290 TraceCheckUtils]: 24: Hoare triple {26919#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26920#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:23:36,637 INFO L290 TraceCheckUtils]: 25: Hoare triple {26920#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26921#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:23:36,637 INFO L290 TraceCheckUtils]: 26: Hoare triple {26921#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26922#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:23:36,638 INFO L290 TraceCheckUtils]: 27: Hoare triple {26922#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26923#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 10:23:36,638 INFO L290 TraceCheckUtils]: 28: Hoare triple {26923#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26924#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 10:23:36,639 INFO L290 TraceCheckUtils]: 29: Hoare triple {26924#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26925#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 10:23:36,639 INFO L290 TraceCheckUtils]: 30: Hoare triple {26925#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26926#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 10:23:36,640 INFO L290 TraceCheckUtils]: 31: Hoare triple {26926#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26927#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 10:23:36,640 INFO L290 TraceCheckUtils]: 32: Hoare triple {26927#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26928#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 10:23:36,641 INFO L290 TraceCheckUtils]: 33: Hoare triple {26928#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26929#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 10:23:36,641 INFO L290 TraceCheckUtils]: 34: Hoare triple {26929#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26930#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 10:23:36,642 INFO L290 TraceCheckUtils]: 35: Hoare triple {26930#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26931#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 10:23:36,642 INFO L290 TraceCheckUtils]: 36: Hoare triple {26931#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26932#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 10:23:36,642 INFO L290 TraceCheckUtils]: 37: Hoare triple {26932#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26933#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 10:23:36,643 INFO L290 TraceCheckUtils]: 38: Hoare triple {26933#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26934#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 10:23:36,643 INFO L290 TraceCheckUtils]: 39: Hoare triple {26934#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26935#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 10:23:36,644 INFO L290 TraceCheckUtils]: 40: Hoare triple {26935#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26936#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 10:23:36,644 INFO L290 TraceCheckUtils]: 41: Hoare triple {26936#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26937#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 10:23:36,645 INFO L290 TraceCheckUtils]: 42: Hoare triple {26937#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26938#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 10:23:36,645 INFO L290 TraceCheckUtils]: 43: Hoare triple {26938#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26939#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 10:23:36,646 INFO L290 TraceCheckUtils]: 44: Hoare triple {26939#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26940#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 10:23:36,646 INFO L290 TraceCheckUtils]: 45: Hoare triple {26940#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26941#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 10:23:36,647 INFO L290 TraceCheckUtils]: 46: Hoare triple {26941#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26942#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 10:23:36,647 INFO L290 TraceCheckUtils]: 47: Hoare triple {26942#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26943#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 10:23:36,647 INFO L290 TraceCheckUtils]: 48: Hoare triple {26943#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {26944#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 10:23:36,648 INFO L290 TraceCheckUtils]: 49: Hoare triple {26944#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27097#(and (<= 42 main_~z~0) (<= main_~z~0 42))} is VALID [2022-04-28 10:23:36,648 INFO L290 TraceCheckUtils]: 50: Hoare triple {27097#(and (<= 42 main_~z~0) (<= main_~z~0 42))} assume !(~z~0 % 4294967296 < 268435455); {26899#false} is VALID [2022-04-28 10:23:36,648 INFO L272 TraceCheckUtils]: 51: Hoare triple {26899#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {26899#false} is VALID [2022-04-28 10:23:36,649 INFO L290 TraceCheckUtils]: 52: Hoare triple {26899#false} ~cond := #in~cond; {26899#false} is VALID [2022-04-28 10:23:36,649 INFO L290 TraceCheckUtils]: 53: Hoare triple {26899#false} assume 0 == ~cond; {26899#false} is VALID [2022-04-28 10:23:36,649 INFO L290 TraceCheckUtils]: 54: Hoare triple {26899#false} assume !false; {26899#false} is VALID [2022-04-28 10:23:36,649 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:23:36,649 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 10:23:39,341 INFO L290 TraceCheckUtils]: 54: Hoare triple {26899#false} assume !false; {26899#false} is VALID [2022-04-28 10:23:39,341 INFO L290 TraceCheckUtils]: 53: Hoare triple {26899#false} assume 0 == ~cond; {26899#false} is VALID [2022-04-28 10:23:39,342 INFO L290 TraceCheckUtils]: 52: Hoare triple {26899#false} ~cond := #in~cond; {26899#false} is VALID [2022-04-28 10:23:39,342 INFO L272 TraceCheckUtils]: 51: Hoare triple {26899#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {26899#false} is VALID [2022-04-28 10:23:39,342 INFO L290 TraceCheckUtils]: 50: Hoare triple {27125#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {26899#false} is VALID [2022-04-28 10:23:39,342 INFO L290 TraceCheckUtils]: 49: Hoare triple {27129#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27125#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 10:23:39,343 INFO L290 TraceCheckUtils]: 48: Hoare triple {27133#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27129#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 10:23:39,344 INFO L290 TraceCheckUtils]: 47: Hoare triple {27137#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27133#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 10:23:39,344 INFO L290 TraceCheckUtils]: 46: Hoare triple {27141#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27137#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 10:23:39,345 INFO L290 TraceCheckUtils]: 45: Hoare triple {27145#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27141#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 10:23:39,345 INFO L290 TraceCheckUtils]: 44: Hoare triple {27149#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27145#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:23:39,346 INFO L290 TraceCheckUtils]: 43: Hoare triple {27153#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27149#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} is VALID [2022-04-28 10:23:39,346 INFO L290 TraceCheckUtils]: 42: Hoare triple {27157#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27153#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:23:39,347 INFO L290 TraceCheckUtils]: 41: Hoare triple {27161#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27157#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} is VALID [2022-04-28 10:23:39,348 INFO L290 TraceCheckUtils]: 40: Hoare triple {27165#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27161#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} is VALID [2022-04-28 10:23:39,348 INFO L290 TraceCheckUtils]: 39: Hoare triple {27169#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27165#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} is VALID [2022-04-28 10:23:39,349 INFO L290 TraceCheckUtils]: 38: Hoare triple {27173#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27169#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} is VALID [2022-04-28 10:23:39,349 INFO L290 TraceCheckUtils]: 37: Hoare triple {27177#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27173#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} is VALID [2022-04-28 10:23:39,350 INFO L290 TraceCheckUtils]: 36: Hoare triple {27181#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27177#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} is VALID [2022-04-28 10:23:39,350 INFO L290 TraceCheckUtils]: 35: Hoare triple {27185#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27181#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} is VALID [2022-04-28 10:23:39,351 INFO L290 TraceCheckUtils]: 34: Hoare triple {27189#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27185#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} is VALID [2022-04-28 10:23:39,352 INFO L290 TraceCheckUtils]: 33: Hoare triple {27193#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27189#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} is VALID [2022-04-28 10:23:39,352 INFO L290 TraceCheckUtils]: 32: Hoare triple {27197#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27193#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} is VALID [2022-04-28 10:23:39,353 INFO L290 TraceCheckUtils]: 31: Hoare triple {27201#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27197#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} is VALID [2022-04-28 10:23:39,353 INFO L290 TraceCheckUtils]: 30: Hoare triple {27205#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27201#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:23:39,354 INFO L290 TraceCheckUtils]: 29: Hoare triple {27209#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27205#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} is VALID [2022-04-28 10:23:39,354 INFO L290 TraceCheckUtils]: 28: Hoare triple {27213#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27209#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} is VALID [2022-04-28 10:23:39,355 INFO L290 TraceCheckUtils]: 27: Hoare triple {27217#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27213#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} is VALID [2022-04-28 10:23:39,356 INFO L290 TraceCheckUtils]: 26: Hoare triple {27221#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27217#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:23:39,356 INFO L290 TraceCheckUtils]: 25: Hoare triple {27225#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27221#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} is VALID [2022-04-28 10:23:39,357 INFO L290 TraceCheckUtils]: 24: Hoare triple {27229#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27225#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} is VALID [2022-04-28 10:23:39,357 INFO L290 TraceCheckUtils]: 23: Hoare triple {27233#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27229#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} is VALID [2022-04-28 10:23:39,358 INFO L290 TraceCheckUtils]: 22: Hoare triple {27237#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27233#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} is VALID [2022-04-28 10:23:39,358 INFO L290 TraceCheckUtils]: 21: Hoare triple {27241#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27237#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} is VALID [2022-04-28 10:23:39,359 INFO L290 TraceCheckUtils]: 20: Hoare triple {27245#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27241#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:23:39,360 INFO L290 TraceCheckUtils]: 19: Hoare triple {27249#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27245#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:23:39,360 INFO L290 TraceCheckUtils]: 18: Hoare triple {27253#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27249#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} is VALID [2022-04-28 10:23:39,361 INFO L290 TraceCheckUtils]: 17: Hoare triple {27257#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27253#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:23:39,361 INFO L290 TraceCheckUtils]: 16: Hoare triple {27261#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27257#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} is VALID [2022-04-28 10:23:39,362 INFO L290 TraceCheckUtils]: 15: Hoare triple {27265#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27261#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} is VALID [2022-04-28 10:23:39,363 INFO L290 TraceCheckUtils]: 14: Hoare triple {27269#(< (mod (+ main_~z~0 36) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27265#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:23:39,363 INFO L290 TraceCheckUtils]: 13: Hoare triple {27273#(< (mod (+ main_~z~0 37) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27269#(< (mod (+ main_~z~0 36) 4294967296) 268435455)} is VALID [2022-04-28 10:23:39,364 INFO L290 TraceCheckUtils]: 12: Hoare triple {27277#(< (mod (+ main_~z~0 38) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27273#(< (mod (+ main_~z~0 37) 4294967296) 268435455)} is VALID [2022-04-28 10:23:39,364 INFO L290 TraceCheckUtils]: 11: Hoare triple {27281#(< (mod (+ main_~z~0 39) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27277#(< (mod (+ main_~z~0 38) 4294967296) 268435455)} is VALID [2022-04-28 10:23:39,365 INFO L290 TraceCheckUtils]: 10: Hoare triple {27285#(< (mod (+ 40 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27281#(< (mod (+ main_~z~0 39) 4294967296) 268435455)} is VALID [2022-04-28 10:23:39,366 INFO L290 TraceCheckUtils]: 9: Hoare triple {27289#(< (mod (+ 41 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27285#(< (mod (+ 40 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:23:39,366 INFO L290 TraceCheckUtils]: 8: Hoare triple {27293#(< (mod (+ 42 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27289#(< (mod (+ 41 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:23:39,366 INFO L290 TraceCheckUtils]: 7: Hoare triple {26898#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {27293#(< (mod (+ 42 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:23:39,367 INFO L290 TraceCheckUtils]: 6: Hoare triple {26898#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {26898#true} is VALID [2022-04-28 10:23:39,367 INFO L290 TraceCheckUtils]: 5: Hoare triple {26898#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {26898#true} is VALID [2022-04-28 10:23:39,367 INFO L272 TraceCheckUtils]: 4: Hoare triple {26898#true} call #t~ret7 := main(); {26898#true} is VALID [2022-04-28 10:23:39,367 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {26898#true} {26898#true} #63#return; {26898#true} is VALID [2022-04-28 10:23:39,367 INFO L290 TraceCheckUtils]: 2: Hoare triple {26898#true} assume true; {26898#true} is VALID [2022-04-28 10:23:39,367 INFO L290 TraceCheckUtils]: 1: Hoare triple {26898#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {26898#true} is VALID [2022-04-28 10:23:39,367 INFO L272 TraceCheckUtils]: 0: Hoare triple {26898#true} call ULTIMATE.init(); {26898#true} is VALID [2022-04-28 10:23:39,367 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:23:39,367 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1239532058] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 10:23:39,368 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 10:23:39,368 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 45, 45] total 90 [2022-04-28 10:23:39,368 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 10:23:39,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [401985734] [2022-04-28 10:23:39,368 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [401985734] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 10:23:39,368 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 10:23:39,368 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [46] imperfect sequences [] total 46 [2022-04-28 10:23:39,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883813965] [2022-04-28 10:23:39,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 10:23:39,368 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 46 states have (on average 1.108695652173913) internal successors, (51), 45 states have internal predecessors, (51), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 55 [2022-04-28 10:23:39,368 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 10:23:39,369 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 46 states, 46 states have (on average 1.108695652173913) internal successors, (51), 45 states have internal predecessors, (51), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:23:39,396 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 55 edges. 55 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:23:39,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2022-04-28 10:23:39,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 10:23:39,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2022-04-28 10:23:39,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2112, Invalid=5898, Unknown=0, NotChecked=0, Total=8010 [2022-04-28 10:23:39,397 INFO L87 Difference]: Start difference. First operand 64 states and 68 transitions. Second operand has 46 states, 46 states have (on average 1.108695652173913) internal successors, (51), 45 states have internal predecessors, (51), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:23:43,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:23:43,657 INFO L93 Difference]: Finished difference Result 123 states and 132 transitions. [2022-04-28 10:23:43,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-04-28 10:23:43,657 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 46 states have (on average 1.108695652173913) internal successors, (51), 45 states have internal predecessors, (51), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 55 [2022-04-28 10:23:43,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 10:23:43,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 46 states have (on average 1.108695652173913) internal successors, (51), 45 states have internal predecessors, (51), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:23:43,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 88 transitions. [2022-04-28 10:23:43,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 46 states have (on average 1.108695652173913) internal successors, (51), 45 states have internal predecessors, (51), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:23:43,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 88 transitions. [2022-04-28 10:23:43,659 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 46 states and 88 transitions. [2022-04-28 10:23:43,713 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 88 edges. 88 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:23:43,714 INFO L225 Difference]: With dead ends: 123 [2022-04-28 10:23:43,714 INFO L226 Difference]: Without dead ends: 66 [2022-04-28 10:23:43,715 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 69 SyntacticMatches, 1 SemanticMatches, 131 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 993 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=4217, Invalid=13339, Unknown=0, NotChecked=0, Total=17556 [2022-04-28 10:23:43,715 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 17 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 2509 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 2600 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 2509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-04-28 10:23:43,722 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 228 Invalid, 2600 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 2509 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-04-28 10:23:43,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2022-04-28 10:23:43,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 65. [2022-04-28 10:23:43,780 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 10:23:43,780 INFO L82 GeneralOperation]: Start isEquivalent. First operand 66 states. Second operand has 65 states, 57 states have (on average 1.0701754385964912) internal successors, (61), 58 states have internal predecessors, (61), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:23:43,781 INFO L74 IsIncluded]: Start isIncluded. First operand 66 states. Second operand has 65 states, 57 states have (on average 1.0701754385964912) internal successors, (61), 58 states have internal predecessors, (61), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:23:43,781 INFO L87 Difference]: Start difference. First operand 66 states. Second operand has 65 states, 57 states have (on average 1.0701754385964912) internal successors, (61), 58 states have internal predecessors, (61), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:23:43,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:23:43,781 INFO L93 Difference]: Finished difference Result 66 states and 70 transitions. [2022-04-28 10:23:43,781 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 70 transitions. [2022-04-28 10:23:43,782 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:23:43,782 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:23:43,782 INFO L74 IsIncluded]: Start isIncluded. First operand has 65 states, 57 states have (on average 1.0701754385964912) internal successors, (61), 58 states have internal predecessors, (61), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 66 states. [2022-04-28 10:23:43,782 INFO L87 Difference]: Start difference. First operand has 65 states, 57 states have (on average 1.0701754385964912) internal successors, (61), 58 states have internal predecessors, (61), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 66 states. [2022-04-28 10:23:43,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:23:43,783 INFO L93 Difference]: Finished difference Result 66 states and 70 transitions. [2022-04-28 10:23:43,783 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 70 transitions. [2022-04-28 10:23:43,784 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:23:43,784 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:23:43,784 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 10:23:43,784 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 10:23:43,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 57 states have (on average 1.0701754385964912) internal successors, (61), 58 states have internal predecessors, (61), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:23:43,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 69 transitions. [2022-04-28 10:23:43,785 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 69 transitions. Word has length 55 [2022-04-28 10:23:43,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 10:23:43,785 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 69 transitions. [2022-04-28 10:23:43,785 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 1.108695652173913) internal successors, (51), 45 states have internal predecessors, (51), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:23:43,785 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 65 states and 69 transitions. [2022-04-28 10:23:43,872 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 69 edges. 69 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:23:43,872 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 69 transitions. [2022-04-28 10:23:43,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-04-28 10:23:43,872 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 10:23:43,873 INFO L195 NwaCegarLoop]: trace histogram [43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 10:23:43,887 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Forceful destruction successful, exit code 0 [2022-04-28 10:23:44,077 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45,43 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:23:44,078 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 10:23:44,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 10:23:44,079 INFO L85 PathProgramCache]: Analyzing trace with hash -2048292510, now seen corresponding path program 85 times [2022-04-28 10:23:44,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 10:23:44,079 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [132358652] [2022-04-28 10:23:44,081 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-28 10:23:44,081 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-28 10:23:44,081 INFO L85 PathProgramCache]: Analyzing trace with hash -2048292510, now seen corresponding path program 86 times [2022-04-28 10:23:44,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 10:23:44,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010692788] [2022-04-28 10:23:44,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 10:23:44,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 10:23:44,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:23:45,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 10:23:45,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:23:45,047 INFO L290 TraceCheckUtils]: 0: Hoare triple {27964#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {27915#true} is VALID [2022-04-28 10:23:45,047 INFO L290 TraceCheckUtils]: 1: Hoare triple {27915#true} assume true; {27915#true} is VALID [2022-04-28 10:23:45,048 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {27915#true} {27915#true} #63#return; {27915#true} is VALID [2022-04-28 10:23:45,048 INFO L272 TraceCheckUtils]: 0: Hoare triple {27915#true} call ULTIMATE.init(); {27964#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 10:23:45,048 INFO L290 TraceCheckUtils]: 1: Hoare triple {27964#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {27915#true} is VALID [2022-04-28 10:23:45,048 INFO L290 TraceCheckUtils]: 2: Hoare triple {27915#true} assume true; {27915#true} is VALID [2022-04-28 10:23:45,048 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {27915#true} {27915#true} #63#return; {27915#true} is VALID [2022-04-28 10:23:45,048 INFO L272 TraceCheckUtils]: 4: Hoare triple {27915#true} call #t~ret7 := main(); {27915#true} is VALID [2022-04-28 10:23:45,048 INFO L290 TraceCheckUtils]: 5: Hoare triple {27915#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {27915#true} is VALID [2022-04-28 10:23:45,048 INFO L290 TraceCheckUtils]: 6: Hoare triple {27915#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {27915#true} is VALID [2022-04-28 10:23:45,049 INFO L290 TraceCheckUtils]: 7: Hoare triple {27915#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {27920#(= main_~z~0 0)} is VALID [2022-04-28 10:23:45,049 INFO L290 TraceCheckUtils]: 8: Hoare triple {27920#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27921#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:23:45,049 INFO L290 TraceCheckUtils]: 9: Hoare triple {27921#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27922#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:23:45,050 INFO L290 TraceCheckUtils]: 10: Hoare triple {27922#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27923#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:23:45,050 INFO L290 TraceCheckUtils]: 11: Hoare triple {27923#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27924#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:23:45,051 INFO L290 TraceCheckUtils]: 12: Hoare triple {27924#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27925#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:23:45,051 INFO L290 TraceCheckUtils]: 13: Hoare triple {27925#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27926#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:23:45,052 INFO L290 TraceCheckUtils]: 14: Hoare triple {27926#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27927#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:23:45,052 INFO L290 TraceCheckUtils]: 15: Hoare triple {27927#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27928#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:23:45,053 INFO L290 TraceCheckUtils]: 16: Hoare triple {27928#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27929#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:23:45,053 INFO L290 TraceCheckUtils]: 17: Hoare triple {27929#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27930#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:23:45,054 INFO L290 TraceCheckUtils]: 18: Hoare triple {27930#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27931#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:23:45,054 INFO L290 TraceCheckUtils]: 19: Hoare triple {27931#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27932#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:23:45,054 INFO L290 TraceCheckUtils]: 20: Hoare triple {27932#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27933#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:23:45,055 INFO L290 TraceCheckUtils]: 21: Hoare triple {27933#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27934#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:23:45,055 INFO L290 TraceCheckUtils]: 22: Hoare triple {27934#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27935#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:23:45,056 INFO L290 TraceCheckUtils]: 23: Hoare triple {27935#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27936#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:23:45,056 INFO L290 TraceCheckUtils]: 24: Hoare triple {27936#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27937#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:23:45,057 INFO L290 TraceCheckUtils]: 25: Hoare triple {27937#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27938#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:23:45,057 INFO L290 TraceCheckUtils]: 26: Hoare triple {27938#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27939#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:23:45,058 INFO L290 TraceCheckUtils]: 27: Hoare triple {27939#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27940#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 10:23:45,058 INFO L290 TraceCheckUtils]: 28: Hoare triple {27940#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27941#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 10:23:45,059 INFO L290 TraceCheckUtils]: 29: Hoare triple {27941#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27942#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 10:23:45,059 INFO L290 TraceCheckUtils]: 30: Hoare triple {27942#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27943#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 10:23:45,059 INFO L290 TraceCheckUtils]: 31: Hoare triple {27943#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27944#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 10:23:45,060 INFO L290 TraceCheckUtils]: 32: Hoare triple {27944#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27945#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 10:23:45,060 INFO L290 TraceCheckUtils]: 33: Hoare triple {27945#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27946#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 10:23:45,061 INFO L290 TraceCheckUtils]: 34: Hoare triple {27946#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27947#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 10:23:45,061 INFO L290 TraceCheckUtils]: 35: Hoare triple {27947#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27948#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 10:23:45,062 INFO L290 TraceCheckUtils]: 36: Hoare triple {27948#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27949#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 10:23:45,062 INFO L290 TraceCheckUtils]: 37: Hoare triple {27949#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27950#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 10:23:45,063 INFO L290 TraceCheckUtils]: 38: Hoare triple {27950#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27951#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 10:23:45,063 INFO L290 TraceCheckUtils]: 39: Hoare triple {27951#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27952#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 10:23:45,064 INFO L290 TraceCheckUtils]: 40: Hoare triple {27952#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27953#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 10:23:45,064 INFO L290 TraceCheckUtils]: 41: Hoare triple {27953#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27954#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 10:23:45,065 INFO L290 TraceCheckUtils]: 42: Hoare triple {27954#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27955#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 10:23:45,065 INFO L290 TraceCheckUtils]: 43: Hoare triple {27955#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27956#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 10:23:45,066 INFO L290 TraceCheckUtils]: 44: Hoare triple {27956#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27957#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 10:23:45,066 INFO L290 TraceCheckUtils]: 45: Hoare triple {27957#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27958#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 10:23:45,067 INFO L290 TraceCheckUtils]: 46: Hoare triple {27958#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27959#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 10:23:45,067 INFO L290 TraceCheckUtils]: 47: Hoare triple {27959#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27960#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 10:23:45,068 INFO L290 TraceCheckUtils]: 48: Hoare triple {27960#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27961#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 10:23:45,069 INFO L290 TraceCheckUtils]: 49: Hoare triple {27961#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27962#(and (<= 42 main_~z~0) (<= main_~z~0 42))} is VALID [2022-04-28 10:23:45,070 INFO L290 TraceCheckUtils]: 50: Hoare triple {27962#(and (<= 42 main_~z~0) (<= main_~z~0 42))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27963#(and (<= main_~z~0 43) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} is VALID [2022-04-28 10:23:45,070 INFO L290 TraceCheckUtils]: 51: Hoare triple {27963#(and (<= main_~z~0 43) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} assume !(~z~0 % 4294967296 < 268435455); {27916#false} is VALID [2022-04-28 10:23:45,071 INFO L272 TraceCheckUtils]: 52: Hoare triple {27916#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {27916#false} is VALID [2022-04-28 10:23:45,071 INFO L290 TraceCheckUtils]: 53: Hoare triple {27916#false} ~cond := #in~cond; {27916#false} is VALID [2022-04-28 10:23:45,071 INFO L290 TraceCheckUtils]: 54: Hoare triple {27916#false} assume 0 == ~cond; {27916#false} is VALID [2022-04-28 10:23:45,071 INFO L290 TraceCheckUtils]: 55: Hoare triple {27916#false} assume !false; {27916#false} is VALID [2022-04-28 10:23:45,071 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:23:45,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 10:23:45,071 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010692788] [2022-04-28 10:23:45,071 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010692788] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 10:23:45,071 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1287764714] [2022-04-28 10:23:45,071 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-28 10:23:45,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:23:45,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 10:23:45,073 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 10:23:45,074 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2022-04-28 10:23:45,194 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-28 10:23:45,195 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 10:23:45,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 89 conjunts are in the unsatisfiable core [2022-04-28 10:23:45,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:23:45,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 10:23:45,687 INFO L272 TraceCheckUtils]: 0: Hoare triple {27915#true} call ULTIMATE.init(); {27915#true} is VALID [2022-04-28 10:23:45,687 INFO L290 TraceCheckUtils]: 1: Hoare triple {27915#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {27915#true} is VALID [2022-04-28 10:23:45,687 INFO L290 TraceCheckUtils]: 2: Hoare triple {27915#true} assume true; {27915#true} is VALID [2022-04-28 10:23:45,687 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {27915#true} {27915#true} #63#return; {27915#true} is VALID [2022-04-28 10:23:45,687 INFO L272 TraceCheckUtils]: 4: Hoare triple {27915#true} call #t~ret7 := main(); {27915#true} is VALID [2022-04-28 10:23:45,687 INFO L290 TraceCheckUtils]: 5: Hoare triple {27915#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {27915#true} is VALID [2022-04-28 10:23:45,687 INFO L290 TraceCheckUtils]: 6: Hoare triple {27915#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {27915#true} is VALID [2022-04-28 10:23:45,688 INFO L290 TraceCheckUtils]: 7: Hoare triple {27915#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {27920#(= main_~z~0 0)} is VALID [2022-04-28 10:23:45,688 INFO L290 TraceCheckUtils]: 8: Hoare triple {27920#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27921#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:23:45,688 INFO L290 TraceCheckUtils]: 9: Hoare triple {27921#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27922#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:23:45,689 INFO L290 TraceCheckUtils]: 10: Hoare triple {27922#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27923#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:23:45,689 INFO L290 TraceCheckUtils]: 11: Hoare triple {27923#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27924#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:23:45,690 INFO L290 TraceCheckUtils]: 12: Hoare triple {27924#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27925#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:23:45,690 INFO L290 TraceCheckUtils]: 13: Hoare triple {27925#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27926#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:23:45,691 INFO L290 TraceCheckUtils]: 14: Hoare triple {27926#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27927#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:23:45,691 INFO L290 TraceCheckUtils]: 15: Hoare triple {27927#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27928#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:23:45,692 INFO L290 TraceCheckUtils]: 16: Hoare triple {27928#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27929#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:23:45,692 INFO L290 TraceCheckUtils]: 17: Hoare triple {27929#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27930#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:23:45,693 INFO L290 TraceCheckUtils]: 18: Hoare triple {27930#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27931#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:23:45,693 INFO L290 TraceCheckUtils]: 19: Hoare triple {27931#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27932#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:23:45,693 INFO L290 TraceCheckUtils]: 20: Hoare triple {27932#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27933#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:23:45,694 INFO L290 TraceCheckUtils]: 21: Hoare triple {27933#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27934#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:23:45,694 INFO L290 TraceCheckUtils]: 22: Hoare triple {27934#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27935#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:23:45,695 INFO L290 TraceCheckUtils]: 23: Hoare triple {27935#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27936#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:23:45,695 INFO L290 TraceCheckUtils]: 24: Hoare triple {27936#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27937#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:23:45,696 INFO L290 TraceCheckUtils]: 25: Hoare triple {27937#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27938#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:23:45,696 INFO L290 TraceCheckUtils]: 26: Hoare triple {27938#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27939#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:23:45,697 INFO L290 TraceCheckUtils]: 27: Hoare triple {27939#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27940#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 10:23:45,697 INFO L290 TraceCheckUtils]: 28: Hoare triple {27940#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27941#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 10:23:45,697 INFO L290 TraceCheckUtils]: 29: Hoare triple {27941#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27942#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 10:23:45,698 INFO L290 TraceCheckUtils]: 30: Hoare triple {27942#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27943#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 10:23:45,698 INFO L290 TraceCheckUtils]: 31: Hoare triple {27943#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27944#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 10:23:45,699 INFO L290 TraceCheckUtils]: 32: Hoare triple {27944#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27945#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 10:23:45,699 INFO L290 TraceCheckUtils]: 33: Hoare triple {27945#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27946#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 10:23:45,700 INFO L290 TraceCheckUtils]: 34: Hoare triple {27946#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27947#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 10:23:45,700 INFO L290 TraceCheckUtils]: 35: Hoare triple {27947#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27948#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 10:23:45,701 INFO L290 TraceCheckUtils]: 36: Hoare triple {27948#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27949#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 10:23:45,701 INFO L290 TraceCheckUtils]: 37: Hoare triple {27949#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27950#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 10:23:45,702 INFO L290 TraceCheckUtils]: 38: Hoare triple {27950#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27951#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 10:23:45,702 INFO L290 TraceCheckUtils]: 39: Hoare triple {27951#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27952#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 10:23:45,702 INFO L290 TraceCheckUtils]: 40: Hoare triple {27952#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27953#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 10:23:45,703 INFO L290 TraceCheckUtils]: 41: Hoare triple {27953#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27954#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 10:23:45,703 INFO L290 TraceCheckUtils]: 42: Hoare triple {27954#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27955#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 10:23:45,704 INFO L290 TraceCheckUtils]: 43: Hoare triple {27955#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27956#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 10:23:45,704 INFO L290 TraceCheckUtils]: 44: Hoare triple {27956#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27957#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 10:23:45,705 INFO L290 TraceCheckUtils]: 45: Hoare triple {27957#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27958#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 10:23:45,705 INFO L290 TraceCheckUtils]: 46: Hoare triple {27958#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27959#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 10:23:45,706 INFO L290 TraceCheckUtils]: 47: Hoare triple {27959#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27960#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 10:23:45,706 INFO L290 TraceCheckUtils]: 48: Hoare triple {27960#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27961#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 10:23:45,706 INFO L290 TraceCheckUtils]: 49: Hoare triple {27961#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {27962#(and (<= 42 main_~z~0) (<= main_~z~0 42))} is VALID [2022-04-28 10:23:45,707 INFO L290 TraceCheckUtils]: 50: Hoare triple {27962#(and (<= 42 main_~z~0) (<= main_~z~0 42))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28118#(and (<= main_~z~0 43) (<= 43 main_~z~0))} is VALID [2022-04-28 10:23:45,707 INFO L290 TraceCheckUtils]: 51: Hoare triple {28118#(and (<= main_~z~0 43) (<= 43 main_~z~0))} assume !(~z~0 % 4294967296 < 268435455); {27916#false} is VALID [2022-04-28 10:23:45,707 INFO L272 TraceCheckUtils]: 52: Hoare triple {27916#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {27916#false} is VALID [2022-04-28 10:23:45,707 INFO L290 TraceCheckUtils]: 53: Hoare triple {27916#false} ~cond := #in~cond; {27916#false} is VALID [2022-04-28 10:23:45,708 INFO L290 TraceCheckUtils]: 54: Hoare triple {27916#false} assume 0 == ~cond; {27916#false} is VALID [2022-04-28 10:23:45,708 INFO L290 TraceCheckUtils]: 55: Hoare triple {27916#false} assume !false; {27916#false} is VALID [2022-04-28 10:23:45,708 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:23:45,708 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 10:23:48,502 INFO L290 TraceCheckUtils]: 55: Hoare triple {27916#false} assume !false; {27916#false} is VALID [2022-04-28 10:23:48,502 INFO L290 TraceCheckUtils]: 54: Hoare triple {27916#false} assume 0 == ~cond; {27916#false} is VALID [2022-04-28 10:23:48,503 INFO L290 TraceCheckUtils]: 53: Hoare triple {27916#false} ~cond := #in~cond; {27916#false} is VALID [2022-04-28 10:23:48,503 INFO L272 TraceCheckUtils]: 52: Hoare triple {27916#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {27916#false} is VALID [2022-04-28 10:23:48,503 INFO L290 TraceCheckUtils]: 51: Hoare triple {28146#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {27916#false} is VALID [2022-04-28 10:23:48,503 INFO L290 TraceCheckUtils]: 50: Hoare triple {28150#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28146#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 10:23:48,504 INFO L290 TraceCheckUtils]: 49: Hoare triple {28154#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28150#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 10:23:48,505 INFO L290 TraceCheckUtils]: 48: Hoare triple {28158#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28154#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 10:23:48,505 INFO L290 TraceCheckUtils]: 47: Hoare triple {28162#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28158#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 10:23:48,506 INFO L290 TraceCheckUtils]: 46: Hoare triple {28166#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28162#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 10:23:48,506 INFO L290 TraceCheckUtils]: 45: Hoare triple {28170#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28166#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:23:48,507 INFO L290 TraceCheckUtils]: 44: Hoare triple {28174#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28170#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} is VALID [2022-04-28 10:23:48,507 INFO L290 TraceCheckUtils]: 43: Hoare triple {28178#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28174#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:23:48,508 INFO L290 TraceCheckUtils]: 42: Hoare triple {28182#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28178#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} is VALID [2022-04-28 10:23:48,509 INFO L290 TraceCheckUtils]: 41: Hoare triple {28186#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28182#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} is VALID [2022-04-28 10:23:48,509 INFO L290 TraceCheckUtils]: 40: Hoare triple {28190#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28186#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} is VALID [2022-04-28 10:23:48,510 INFO L290 TraceCheckUtils]: 39: Hoare triple {28194#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28190#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} is VALID [2022-04-28 10:23:48,510 INFO L290 TraceCheckUtils]: 38: Hoare triple {28198#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28194#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} is VALID [2022-04-28 10:23:48,511 INFO L290 TraceCheckUtils]: 37: Hoare triple {28202#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28198#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} is VALID [2022-04-28 10:23:48,511 INFO L290 TraceCheckUtils]: 36: Hoare triple {28206#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28202#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} is VALID [2022-04-28 10:23:48,512 INFO L290 TraceCheckUtils]: 35: Hoare triple {28210#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28206#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} is VALID [2022-04-28 10:23:48,512 INFO L290 TraceCheckUtils]: 34: Hoare triple {28214#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28210#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} is VALID [2022-04-28 10:23:48,513 INFO L290 TraceCheckUtils]: 33: Hoare triple {28218#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28214#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} is VALID [2022-04-28 10:23:48,514 INFO L290 TraceCheckUtils]: 32: Hoare triple {28222#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28218#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} is VALID [2022-04-28 10:23:48,514 INFO L290 TraceCheckUtils]: 31: Hoare triple {28226#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28222#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:23:48,515 INFO L290 TraceCheckUtils]: 30: Hoare triple {28230#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28226#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} is VALID [2022-04-28 10:23:48,515 INFO L290 TraceCheckUtils]: 29: Hoare triple {28234#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28230#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} is VALID [2022-04-28 10:23:48,516 INFO L290 TraceCheckUtils]: 28: Hoare triple {28238#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28234#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} is VALID [2022-04-28 10:23:48,516 INFO L290 TraceCheckUtils]: 27: Hoare triple {28242#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28238#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:23:48,517 INFO L290 TraceCheckUtils]: 26: Hoare triple {28246#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28242#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} is VALID [2022-04-28 10:23:48,517 INFO L290 TraceCheckUtils]: 25: Hoare triple {28250#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28246#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} is VALID [2022-04-28 10:23:48,518 INFO L290 TraceCheckUtils]: 24: Hoare triple {28254#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28250#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} is VALID [2022-04-28 10:23:48,519 INFO L290 TraceCheckUtils]: 23: Hoare triple {28258#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28254#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} is VALID [2022-04-28 10:23:48,519 INFO L290 TraceCheckUtils]: 22: Hoare triple {28262#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28258#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} is VALID [2022-04-28 10:23:48,520 INFO L290 TraceCheckUtils]: 21: Hoare triple {28266#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28262#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:23:48,520 INFO L290 TraceCheckUtils]: 20: Hoare triple {28270#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28266#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:23:48,521 INFO L290 TraceCheckUtils]: 19: Hoare triple {28274#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28270#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} is VALID [2022-04-28 10:23:48,521 INFO L290 TraceCheckUtils]: 18: Hoare triple {28278#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28274#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:23:48,522 INFO L290 TraceCheckUtils]: 17: Hoare triple {28282#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28278#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} is VALID [2022-04-28 10:23:48,522 INFO L290 TraceCheckUtils]: 16: Hoare triple {28286#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28282#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} is VALID [2022-04-28 10:23:48,523 INFO L290 TraceCheckUtils]: 15: Hoare triple {28290#(< (mod (+ main_~z~0 36) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28286#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:23:48,524 INFO L290 TraceCheckUtils]: 14: Hoare triple {28294#(< (mod (+ main_~z~0 37) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28290#(< (mod (+ main_~z~0 36) 4294967296) 268435455)} is VALID [2022-04-28 10:23:48,524 INFO L290 TraceCheckUtils]: 13: Hoare triple {28298#(< (mod (+ main_~z~0 38) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28294#(< (mod (+ main_~z~0 37) 4294967296) 268435455)} is VALID [2022-04-28 10:23:48,525 INFO L290 TraceCheckUtils]: 12: Hoare triple {28302#(< (mod (+ main_~z~0 39) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28298#(< (mod (+ main_~z~0 38) 4294967296) 268435455)} is VALID [2022-04-28 10:23:48,525 INFO L290 TraceCheckUtils]: 11: Hoare triple {28306#(< (mod (+ 40 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28302#(< (mod (+ main_~z~0 39) 4294967296) 268435455)} is VALID [2022-04-28 10:23:48,526 INFO L290 TraceCheckUtils]: 10: Hoare triple {28310#(< (mod (+ 41 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28306#(< (mod (+ 40 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:23:48,526 INFO L290 TraceCheckUtils]: 9: Hoare triple {28314#(< (mod (+ 42 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28310#(< (mod (+ 41 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:23:48,527 INFO L290 TraceCheckUtils]: 8: Hoare triple {28318#(< (mod (+ main_~z~0 43) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28314#(< (mod (+ 42 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:23:48,527 INFO L290 TraceCheckUtils]: 7: Hoare triple {27915#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {28318#(< (mod (+ main_~z~0 43) 4294967296) 268435455)} is VALID [2022-04-28 10:23:48,527 INFO L290 TraceCheckUtils]: 6: Hoare triple {27915#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {27915#true} is VALID [2022-04-28 10:23:48,527 INFO L290 TraceCheckUtils]: 5: Hoare triple {27915#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {27915#true} is VALID [2022-04-28 10:23:48,527 INFO L272 TraceCheckUtils]: 4: Hoare triple {27915#true} call #t~ret7 := main(); {27915#true} is VALID [2022-04-28 10:23:48,527 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {27915#true} {27915#true} #63#return; {27915#true} is VALID [2022-04-28 10:23:48,528 INFO L290 TraceCheckUtils]: 2: Hoare triple {27915#true} assume true; {27915#true} is VALID [2022-04-28 10:23:48,528 INFO L290 TraceCheckUtils]: 1: Hoare triple {27915#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {27915#true} is VALID [2022-04-28 10:23:48,528 INFO L272 TraceCheckUtils]: 0: Hoare triple {27915#true} call ULTIMATE.init(); {27915#true} is VALID [2022-04-28 10:23:48,528 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:23:48,528 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1287764714] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 10:23:48,528 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 10:23:48,528 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 46, 46] total 92 [2022-04-28 10:23:48,528 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 10:23:48,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [132358652] [2022-04-28 10:23:48,528 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [132358652] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 10:23:48,528 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 10:23:48,529 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [47] imperfect sequences [] total 47 [2022-04-28 10:23:48,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786077277] [2022-04-28 10:23:48,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 10:23:48,529 INFO L78 Accepts]: Start accepts. Automaton has has 47 states, 47 states have (on average 1.1063829787234043) internal successors, (52), 46 states have internal predecessors, (52), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 56 [2022-04-28 10:23:48,529 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 10:23:48,529 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 47 states, 47 states have (on average 1.1063829787234043) internal successors, (52), 46 states have internal predecessors, (52), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:23:48,557 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 56 edges. 56 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:23:48,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2022-04-28 10:23:48,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 10:23:48,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2022-04-28 10:23:48,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2205, Invalid=6167, Unknown=0, NotChecked=0, Total=8372 [2022-04-28 10:23:48,558 INFO L87 Difference]: Start difference. First operand 65 states and 69 transitions. Second operand has 47 states, 47 states have (on average 1.1063829787234043) internal successors, (52), 46 states have internal predecessors, (52), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:23:52,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:23:52,481 INFO L93 Difference]: Finished difference Result 125 states and 134 transitions. [2022-04-28 10:23:52,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-04-28 10:23:52,482 INFO L78 Accepts]: Start accepts. Automaton has has 47 states, 47 states have (on average 1.1063829787234043) internal successors, (52), 46 states have internal predecessors, (52), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 56 [2022-04-28 10:23:52,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 10:23:52,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 47 states have (on average 1.1063829787234043) internal successors, (52), 46 states have internal predecessors, (52), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:23:52,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 89 transitions. [2022-04-28 10:23:52,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 47 states have (on average 1.1063829787234043) internal successors, (52), 46 states have internal predecessors, (52), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:23:52,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 89 transitions. [2022-04-28 10:23:52,486 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 47 states and 89 transitions. [2022-04-28 10:23:52,543 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 89 edges. 89 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:23:52,543 INFO L225 Difference]: With dead ends: 125 [2022-04-28 10:23:52,543 INFO L226 Difference]: Without dead ends: 67 [2022-04-28 10:23:52,545 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 70 SyntacticMatches, 1 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1038 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=4403, Invalid=13957, Unknown=0, NotChecked=0, Total=18360 [2022-04-28 10:23:52,546 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 18 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 2236 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 2330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 2236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-04-28 10:23:52,546 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 108 Invalid, 2330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 2236 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-04-28 10:23:52,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-04-28 10:23:52,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 66. [2022-04-28 10:23:52,602 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 10:23:52,602 INFO L82 GeneralOperation]: Start isEquivalent. First operand 67 states. Second operand has 66 states, 58 states have (on average 1.0689655172413792) internal successors, (62), 59 states have internal predecessors, (62), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:23:52,603 INFO L74 IsIncluded]: Start isIncluded. First operand 67 states. Second operand has 66 states, 58 states have (on average 1.0689655172413792) internal successors, (62), 59 states have internal predecessors, (62), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:23:52,603 INFO L87 Difference]: Start difference. First operand 67 states. Second operand has 66 states, 58 states have (on average 1.0689655172413792) internal successors, (62), 59 states have internal predecessors, (62), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:23:52,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:23:52,604 INFO L93 Difference]: Finished difference Result 67 states and 71 transitions. [2022-04-28 10:23:52,604 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 71 transitions. [2022-04-28 10:23:52,604 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:23:52,604 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:23:52,604 INFO L74 IsIncluded]: Start isIncluded. First operand has 66 states, 58 states have (on average 1.0689655172413792) internal successors, (62), 59 states have internal predecessors, (62), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 67 states. [2022-04-28 10:23:52,604 INFO L87 Difference]: Start difference. First operand has 66 states, 58 states have (on average 1.0689655172413792) internal successors, (62), 59 states have internal predecessors, (62), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 67 states. [2022-04-28 10:23:52,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:23:52,605 INFO L93 Difference]: Finished difference Result 67 states and 71 transitions. [2022-04-28 10:23:52,605 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 71 transitions. [2022-04-28 10:23:52,605 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:23:52,606 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:23:52,606 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 10:23:52,606 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 10:23:52,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 58 states have (on average 1.0689655172413792) internal successors, (62), 59 states have internal predecessors, (62), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:23:52,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 70 transitions. [2022-04-28 10:23:52,607 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 70 transitions. Word has length 56 [2022-04-28 10:23:52,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 10:23:52,607 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 70 transitions. [2022-04-28 10:23:52,607 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 1.1063829787234043) internal successors, (52), 46 states have internal predecessors, (52), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:23:52,607 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 66 states and 70 transitions. [2022-04-28 10:23:52,688 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 70 edges. 70 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:23:52,688 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 70 transitions. [2022-04-28 10:23:52,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-04-28 10:23:52,688 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 10:23:52,688 INFO L195 NwaCegarLoop]: trace histogram [44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 10:23:52,707 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Forceful destruction successful, exit code 0 [2022-04-28 10:23:52,889 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2022-04-28 10:23:52,889 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 10:23:52,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 10:23:52,889 INFO L85 PathProgramCache]: Analyzing trace with hash 953744194, now seen corresponding path program 87 times [2022-04-28 10:23:52,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 10:23:52,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [47123884] [2022-04-28 10:23:52,892 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-28 10:23:52,892 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-28 10:23:52,892 INFO L85 PathProgramCache]: Analyzing trace with hash 953744194, now seen corresponding path program 88 times [2022-04-28 10:23:52,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 10:23:52,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941776127] [2022-04-28 10:23:52,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 10:23:52,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 10:23:52,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:23:53,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 10:23:53,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:23:53,873 INFO L290 TraceCheckUtils]: 0: Hoare triple {29000#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {28950#true} is VALID [2022-04-28 10:23:53,873 INFO L290 TraceCheckUtils]: 1: Hoare triple {28950#true} assume true; {28950#true} is VALID [2022-04-28 10:23:53,873 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {28950#true} {28950#true} #63#return; {28950#true} is VALID [2022-04-28 10:23:53,873 INFO L272 TraceCheckUtils]: 0: Hoare triple {28950#true} call ULTIMATE.init(); {29000#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 10:23:53,873 INFO L290 TraceCheckUtils]: 1: Hoare triple {29000#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {28950#true} is VALID [2022-04-28 10:23:53,873 INFO L290 TraceCheckUtils]: 2: Hoare triple {28950#true} assume true; {28950#true} is VALID [2022-04-28 10:23:53,874 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {28950#true} {28950#true} #63#return; {28950#true} is VALID [2022-04-28 10:23:53,874 INFO L272 TraceCheckUtils]: 4: Hoare triple {28950#true} call #t~ret7 := main(); {28950#true} is VALID [2022-04-28 10:23:53,874 INFO L290 TraceCheckUtils]: 5: Hoare triple {28950#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {28950#true} is VALID [2022-04-28 10:23:53,874 INFO L290 TraceCheckUtils]: 6: Hoare triple {28950#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {28950#true} is VALID [2022-04-28 10:23:53,874 INFO L290 TraceCheckUtils]: 7: Hoare triple {28950#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {28955#(= main_~z~0 0)} is VALID [2022-04-28 10:23:53,874 INFO L290 TraceCheckUtils]: 8: Hoare triple {28955#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28956#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:23:53,875 INFO L290 TraceCheckUtils]: 9: Hoare triple {28956#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28957#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:23:53,875 INFO L290 TraceCheckUtils]: 10: Hoare triple {28957#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28958#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:23:53,876 INFO L290 TraceCheckUtils]: 11: Hoare triple {28958#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28959#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:23:53,876 INFO L290 TraceCheckUtils]: 12: Hoare triple {28959#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28960#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:23:53,877 INFO L290 TraceCheckUtils]: 13: Hoare triple {28960#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28961#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:23:53,877 INFO L290 TraceCheckUtils]: 14: Hoare triple {28961#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28962#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:23:53,878 INFO L290 TraceCheckUtils]: 15: Hoare triple {28962#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28963#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:23:53,878 INFO L290 TraceCheckUtils]: 16: Hoare triple {28963#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28964#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:23:53,878 INFO L290 TraceCheckUtils]: 17: Hoare triple {28964#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28965#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:23:53,879 INFO L290 TraceCheckUtils]: 18: Hoare triple {28965#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28966#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:23:53,879 INFO L290 TraceCheckUtils]: 19: Hoare triple {28966#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28967#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:23:53,880 INFO L290 TraceCheckUtils]: 20: Hoare triple {28967#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28968#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:23:53,880 INFO L290 TraceCheckUtils]: 21: Hoare triple {28968#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28969#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:23:53,881 INFO L290 TraceCheckUtils]: 22: Hoare triple {28969#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28970#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:23:53,881 INFO L290 TraceCheckUtils]: 23: Hoare triple {28970#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28971#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:23:53,882 INFO L290 TraceCheckUtils]: 24: Hoare triple {28971#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28972#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:23:53,882 INFO L290 TraceCheckUtils]: 25: Hoare triple {28972#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28973#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:23:53,882 INFO L290 TraceCheckUtils]: 26: Hoare triple {28973#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28974#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:23:53,883 INFO L290 TraceCheckUtils]: 27: Hoare triple {28974#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28975#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 10:23:53,883 INFO L290 TraceCheckUtils]: 28: Hoare triple {28975#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28976#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 10:23:53,884 INFO L290 TraceCheckUtils]: 29: Hoare triple {28976#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28977#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 10:23:53,884 INFO L290 TraceCheckUtils]: 30: Hoare triple {28977#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28978#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 10:23:53,885 INFO L290 TraceCheckUtils]: 31: Hoare triple {28978#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28979#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 10:23:53,885 INFO L290 TraceCheckUtils]: 32: Hoare triple {28979#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28980#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 10:23:53,886 INFO L290 TraceCheckUtils]: 33: Hoare triple {28980#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28981#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 10:23:53,886 INFO L290 TraceCheckUtils]: 34: Hoare triple {28981#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28982#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 10:23:53,887 INFO L290 TraceCheckUtils]: 35: Hoare triple {28982#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28983#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 10:23:53,887 INFO L290 TraceCheckUtils]: 36: Hoare triple {28983#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28984#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 10:23:53,887 INFO L290 TraceCheckUtils]: 37: Hoare triple {28984#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28985#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 10:23:53,888 INFO L290 TraceCheckUtils]: 38: Hoare triple {28985#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28986#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 10:23:53,888 INFO L290 TraceCheckUtils]: 39: Hoare triple {28986#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28987#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 10:23:53,889 INFO L290 TraceCheckUtils]: 40: Hoare triple {28987#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28988#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 10:23:53,894 INFO L290 TraceCheckUtils]: 41: Hoare triple {28988#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28989#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 10:23:53,894 INFO L290 TraceCheckUtils]: 42: Hoare triple {28989#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28990#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 10:23:53,895 INFO L290 TraceCheckUtils]: 43: Hoare triple {28990#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28991#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 10:23:53,896 INFO L290 TraceCheckUtils]: 44: Hoare triple {28991#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28992#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 10:23:53,896 INFO L290 TraceCheckUtils]: 45: Hoare triple {28992#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28993#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 10:23:53,897 INFO L290 TraceCheckUtils]: 46: Hoare triple {28993#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28994#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 10:23:53,898 INFO L290 TraceCheckUtils]: 47: Hoare triple {28994#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28995#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 10:23:53,898 INFO L290 TraceCheckUtils]: 48: Hoare triple {28995#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28996#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 10:23:53,899 INFO L290 TraceCheckUtils]: 49: Hoare triple {28996#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28997#(and (<= 42 main_~z~0) (<= main_~z~0 42))} is VALID [2022-04-28 10:23:53,907 INFO L290 TraceCheckUtils]: 50: Hoare triple {28997#(and (<= 42 main_~z~0) (<= main_~z~0 42))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28998#(and (<= main_~z~0 43) (<= 43 main_~z~0))} is VALID [2022-04-28 10:23:53,908 INFO L290 TraceCheckUtils]: 51: Hoare triple {28998#(and (<= main_~z~0 43) (<= 43 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28999#(and (<= main_~z~0 44) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} is VALID [2022-04-28 10:23:53,908 INFO L290 TraceCheckUtils]: 52: Hoare triple {28999#(and (<= main_~z~0 44) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} assume !(~z~0 % 4294967296 < 268435455); {28951#false} is VALID [2022-04-28 10:23:53,909 INFO L272 TraceCheckUtils]: 53: Hoare triple {28951#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {28951#false} is VALID [2022-04-28 10:23:53,909 INFO L290 TraceCheckUtils]: 54: Hoare triple {28951#false} ~cond := #in~cond; {28951#false} is VALID [2022-04-28 10:23:53,909 INFO L290 TraceCheckUtils]: 55: Hoare triple {28951#false} assume 0 == ~cond; {28951#false} is VALID [2022-04-28 10:23:53,909 INFO L290 TraceCheckUtils]: 56: Hoare triple {28951#false} assume !false; {28951#false} is VALID [2022-04-28 10:23:53,909 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:23:53,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 10:23:53,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941776127] [2022-04-28 10:23:53,909 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1941776127] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 10:23:53,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [265210164] [2022-04-28 10:23:53,909 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-28 10:23:53,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:23:53,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 10:23:53,910 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 10:23:53,911 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2022-04-28 10:23:54,014 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-28 10:23:54,014 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 10:23:54,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 91 conjunts are in the unsatisfiable core [2022-04-28 10:23:54,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:23:54,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 10:23:54,528 INFO L272 TraceCheckUtils]: 0: Hoare triple {28950#true} call ULTIMATE.init(); {28950#true} is VALID [2022-04-28 10:23:54,528 INFO L290 TraceCheckUtils]: 1: Hoare triple {28950#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {28950#true} is VALID [2022-04-28 10:23:54,528 INFO L290 TraceCheckUtils]: 2: Hoare triple {28950#true} assume true; {28950#true} is VALID [2022-04-28 10:23:54,528 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {28950#true} {28950#true} #63#return; {28950#true} is VALID [2022-04-28 10:23:54,528 INFO L272 TraceCheckUtils]: 4: Hoare triple {28950#true} call #t~ret7 := main(); {28950#true} is VALID [2022-04-28 10:23:54,528 INFO L290 TraceCheckUtils]: 5: Hoare triple {28950#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {28950#true} is VALID [2022-04-28 10:23:54,528 INFO L290 TraceCheckUtils]: 6: Hoare triple {28950#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {28950#true} is VALID [2022-04-28 10:23:54,529 INFO L290 TraceCheckUtils]: 7: Hoare triple {28950#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {28955#(= main_~z~0 0)} is VALID [2022-04-28 10:23:54,529 INFO L290 TraceCheckUtils]: 8: Hoare triple {28955#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28956#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:23:54,530 INFO L290 TraceCheckUtils]: 9: Hoare triple {28956#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28957#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:23:54,530 INFO L290 TraceCheckUtils]: 10: Hoare triple {28957#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28958#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:23:54,531 INFO L290 TraceCheckUtils]: 11: Hoare triple {28958#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28959#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:23:54,531 INFO L290 TraceCheckUtils]: 12: Hoare triple {28959#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28960#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:23:54,532 INFO L290 TraceCheckUtils]: 13: Hoare triple {28960#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28961#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:23:54,532 INFO L290 TraceCheckUtils]: 14: Hoare triple {28961#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28962#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:23:54,533 INFO L290 TraceCheckUtils]: 15: Hoare triple {28962#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28963#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:23:54,533 INFO L290 TraceCheckUtils]: 16: Hoare triple {28963#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28964#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:23:54,534 INFO L290 TraceCheckUtils]: 17: Hoare triple {28964#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28965#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:23:54,534 INFO L290 TraceCheckUtils]: 18: Hoare triple {28965#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28966#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:23:54,534 INFO L290 TraceCheckUtils]: 19: Hoare triple {28966#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28967#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:23:54,535 INFO L290 TraceCheckUtils]: 20: Hoare triple {28967#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28968#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:23:54,535 INFO L290 TraceCheckUtils]: 21: Hoare triple {28968#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28969#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:23:54,536 INFO L290 TraceCheckUtils]: 22: Hoare triple {28969#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28970#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:23:54,536 INFO L290 TraceCheckUtils]: 23: Hoare triple {28970#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28971#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:23:54,539 INFO L290 TraceCheckUtils]: 24: Hoare triple {28971#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28972#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:23:54,539 INFO L290 TraceCheckUtils]: 25: Hoare triple {28972#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28973#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:23:54,540 INFO L290 TraceCheckUtils]: 26: Hoare triple {28973#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28974#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:23:54,540 INFO L290 TraceCheckUtils]: 27: Hoare triple {28974#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28975#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 10:23:54,541 INFO L290 TraceCheckUtils]: 28: Hoare triple {28975#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28976#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 10:23:54,541 INFO L290 TraceCheckUtils]: 29: Hoare triple {28976#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28977#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 10:23:54,542 INFO L290 TraceCheckUtils]: 30: Hoare triple {28977#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28978#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 10:23:54,542 INFO L290 TraceCheckUtils]: 31: Hoare triple {28978#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28979#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 10:23:54,543 INFO L290 TraceCheckUtils]: 32: Hoare triple {28979#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28980#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 10:23:54,543 INFO L290 TraceCheckUtils]: 33: Hoare triple {28980#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28981#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 10:23:54,543 INFO L290 TraceCheckUtils]: 34: Hoare triple {28981#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28982#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 10:23:54,544 INFO L290 TraceCheckUtils]: 35: Hoare triple {28982#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28983#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 10:23:54,544 INFO L290 TraceCheckUtils]: 36: Hoare triple {28983#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28984#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 10:23:54,545 INFO L290 TraceCheckUtils]: 37: Hoare triple {28984#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28985#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 10:23:54,545 INFO L290 TraceCheckUtils]: 38: Hoare triple {28985#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28986#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 10:23:54,546 INFO L290 TraceCheckUtils]: 39: Hoare triple {28986#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28987#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 10:23:54,546 INFO L290 TraceCheckUtils]: 40: Hoare triple {28987#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28988#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 10:23:54,547 INFO L290 TraceCheckUtils]: 41: Hoare triple {28988#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28989#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 10:23:54,547 INFO L290 TraceCheckUtils]: 42: Hoare triple {28989#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28990#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 10:23:54,548 INFO L290 TraceCheckUtils]: 43: Hoare triple {28990#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28991#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 10:23:54,548 INFO L290 TraceCheckUtils]: 44: Hoare triple {28991#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28992#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 10:23:54,549 INFO L290 TraceCheckUtils]: 45: Hoare triple {28992#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28993#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 10:23:54,549 INFO L290 TraceCheckUtils]: 46: Hoare triple {28993#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28994#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 10:23:54,550 INFO L290 TraceCheckUtils]: 47: Hoare triple {28994#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28995#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 10:23:54,550 INFO L290 TraceCheckUtils]: 48: Hoare triple {28995#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28996#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 10:23:54,551 INFO L290 TraceCheckUtils]: 49: Hoare triple {28996#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28997#(and (<= 42 main_~z~0) (<= main_~z~0 42))} is VALID [2022-04-28 10:23:54,551 INFO L290 TraceCheckUtils]: 50: Hoare triple {28997#(and (<= 42 main_~z~0) (<= main_~z~0 42))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {28998#(and (<= main_~z~0 43) (<= 43 main_~z~0))} is VALID [2022-04-28 10:23:54,552 INFO L290 TraceCheckUtils]: 51: Hoare triple {28998#(and (<= main_~z~0 43) (<= 43 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {29157#(and (<= main_~z~0 44) (<= 44 main_~z~0))} is VALID [2022-04-28 10:23:54,552 INFO L290 TraceCheckUtils]: 52: Hoare triple {29157#(and (<= main_~z~0 44) (<= 44 main_~z~0))} assume !(~z~0 % 4294967296 < 268435455); {28951#false} is VALID [2022-04-28 10:23:54,552 INFO L272 TraceCheckUtils]: 53: Hoare triple {28951#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {28951#false} is VALID [2022-04-28 10:23:54,552 INFO L290 TraceCheckUtils]: 54: Hoare triple {28951#false} ~cond := #in~cond; {28951#false} is VALID [2022-04-28 10:23:54,552 INFO L290 TraceCheckUtils]: 55: Hoare triple {28951#false} assume 0 == ~cond; {28951#false} is VALID [2022-04-28 10:23:54,552 INFO L290 TraceCheckUtils]: 56: Hoare triple {28951#false} assume !false; {28951#false} is VALID [2022-04-28 10:23:54,553 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:23:54,553 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 10:23:57,446 INFO L290 TraceCheckUtils]: 56: Hoare triple {28951#false} assume !false; {28951#false} is VALID [2022-04-28 10:23:57,446 INFO L290 TraceCheckUtils]: 55: Hoare triple {28951#false} assume 0 == ~cond; {28951#false} is VALID [2022-04-28 10:23:57,446 INFO L290 TraceCheckUtils]: 54: Hoare triple {28951#false} ~cond := #in~cond; {28951#false} is VALID [2022-04-28 10:23:57,446 INFO L272 TraceCheckUtils]: 53: Hoare triple {28951#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {28951#false} is VALID [2022-04-28 10:23:57,446 INFO L290 TraceCheckUtils]: 52: Hoare triple {29185#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {28951#false} is VALID [2022-04-28 10:23:57,447 INFO L290 TraceCheckUtils]: 51: Hoare triple {29189#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {29185#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 10:23:57,448 INFO L290 TraceCheckUtils]: 50: Hoare triple {29193#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {29189#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 10:23:57,448 INFO L290 TraceCheckUtils]: 49: Hoare triple {29197#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {29193#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 10:23:57,449 INFO L290 TraceCheckUtils]: 48: Hoare triple {29201#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {29197#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 10:23:57,449 INFO L290 TraceCheckUtils]: 47: Hoare triple {29205#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {29201#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 10:23:57,450 INFO L290 TraceCheckUtils]: 46: Hoare triple {29209#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {29205#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:23:57,450 INFO L290 TraceCheckUtils]: 45: Hoare triple {29213#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {29209#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} is VALID [2022-04-28 10:23:57,451 INFO L290 TraceCheckUtils]: 44: Hoare triple {29217#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {29213#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:23:57,452 INFO L290 TraceCheckUtils]: 43: Hoare triple {29221#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {29217#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} is VALID [2022-04-28 10:23:57,452 INFO L290 TraceCheckUtils]: 42: Hoare triple {29225#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {29221#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} is VALID [2022-04-28 10:23:57,453 INFO L290 TraceCheckUtils]: 41: Hoare triple {29229#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {29225#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} is VALID [2022-04-28 10:23:57,453 INFO L290 TraceCheckUtils]: 40: Hoare triple {29233#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {29229#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} is VALID [2022-04-28 10:23:57,454 INFO L290 TraceCheckUtils]: 39: Hoare triple {29237#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {29233#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} is VALID [2022-04-28 10:23:57,454 INFO L290 TraceCheckUtils]: 38: Hoare triple {29241#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {29237#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} is VALID [2022-04-28 10:23:57,455 INFO L290 TraceCheckUtils]: 37: Hoare triple {29245#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {29241#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} is VALID [2022-04-28 10:23:57,455 INFO L290 TraceCheckUtils]: 36: Hoare triple {29249#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {29245#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} is VALID [2022-04-28 10:23:57,456 INFO L290 TraceCheckUtils]: 35: Hoare triple {29253#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {29249#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} is VALID [2022-04-28 10:23:57,457 INFO L290 TraceCheckUtils]: 34: Hoare triple {29257#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {29253#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} is VALID [2022-04-28 10:23:57,457 INFO L290 TraceCheckUtils]: 33: Hoare triple {29261#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {29257#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} is VALID [2022-04-28 10:23:57,458 INFO L290 TraceCheckUtils]: 32: Hoare triple {29265#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {29261#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:23:57,458 INFO L290 TraceCheckUtils]: 31: Hoare triple {29269#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {29265#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} is VALID [2022-04-28 10:23:57,459 INFO L290 TraceCheckUtils]: 30: Hoare triple {29273#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {29269#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} is VALID [2022-04-28 10:23:57,459 INFO L290 TraceCheckUtils]: 29: Hoare triple {29277#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {29273#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} is VALID [2022-04-28 10:23:57,460 INFO L290 TraceCheckUtils]: 28: Hoare triple {29281#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {29277#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:23:57,460 INFO L290 TraceCheckUtils]: 27: Hoare triple {29285#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {29281#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} is VALID [2022-04-28 10:23:57,461 INFO L290 TraceCheckUtils]: 26: Hoare triple {29289#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {29285#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} is VALID [2022-04-28 10:23:57,462 INFO L290 TraceCheckUtils]: 25: Hoare triple {29293#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {29289#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} is VALID [2022-04-28 10:23:57,462 INFO L290 TraceCheckUtils]: 24: Hoare triple {29297#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {29293#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} is VALID [2022-04-28 10:23:57,463 INFO L290 TraceCheckUtils]: 23: Hoare triple {29301#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {29297#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} is VALID [2022-04-28 10:23:57,463 INFO L290 TraceCheckUtils]: 22: Hoare triple {29305#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {29301#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:23:57,464 INFO L290 TraceCheckUtils]: 21: Hoare triple {29309#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {29305#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:23:57,464 INFO L290 TraceCheckUtils]: 20: Hoare triple {29313#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {29309#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} is VALID [2022-04-28 10:23:57,465 INFO L290 TraceCheckUtils]: 19: Hoare triple {29317#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {29313#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:23:57,465 INFO L290 TraceCheckUtils]: 18: Hoare triple {29321#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {29317#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} is VALID [2022-04-28 10:23:57,466 INFO L290 TraceCheckUtils]: 17: Hoare triple {29325#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {29321#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} is VALID [2022-04-28 10:23:57,467 INFO L290 TraceCheckUtils]: 16: Hoare triple {29329#(< (mod (+ main_~z~0 36) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {29325#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:23:57,467 INFO L290 TraceCheckUtils]: 15: Hoare triple {29333#(< (mod (+ main_~z~0 37) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {29329#(< (mod (+ main_~z~0 36) 4294967296) 268435455)} is VALID [2022-04-28 10:23:57,468 INFO L290 TraceCheckUtils]: 14: Hoare triple {29337#(< (mod (+ main_~z~0 38) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {29333#(< (mod (+ main_~z~0 37) 4294967296) 268435455)} is VALID [2022-04-28 10:23:57,468 INFO L290 TraceCheckUtils]: 13: Hoare triple {29341#(< (mod (+ main_~z~0 39) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {29337#(< (mod (+ main_~z~0 38) 4294967296) 268435455)} is VALID [2022-04-28 10:23:57,469 INFO L290 TraceCheckUtils]: 12: Hoare triple {29345#(< (mod (+ 40 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {29341#(< (mod (+ main_~z~0 39) 4294967296) 268435455)} is VALID [2022-04-28 10:23:57,469 INFO L290 TraceCheckUtils]: 11: Hoare triple {29349#(< (mod (+ 41 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {29345#(< (mod (+ 40 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:23:57,470 INFO L290 TraceCheckUtils]: 10: Hoare triple {29353#(< (mod (+ 42 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {29349#(< (mod (+ 41 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:23:57,470 INFO L290 TraceCheckUtils]: 9: Hoare triple {29357#(< (mod (+ main_~z~0 43) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {29353#(< (mod (+ 42 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:23:57,471 INFO L290 TraceCheckUtils]: 8: Hoare triple {29361#(< (mod (+ 44 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {29357#(< (mod (+ main_~z~0 43) 4294967296) 268435455)} is VALID [2022-04-28 10:23:57,471 INFO L290 TraceCheckUtils]: 7: Hoare triple {28950#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {29361#(< (mod (+ 44 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:23:57,471 INFO L290 TraceCheckUtils]: 6: Hoare triple {28950#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {28950#true} is VALID [2022-04-28 10:23:57,471 INFO L290 TraceCheckUtils]: 5: Hoare triple {28950#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {28950#true} is VALID [2022-04-28 10:23:57,472 INFO L272 TraceCheckUtils]: 4: Hoare triple {28950#true} call #t~ret7 := main(); {28950#true} is VALID [2022-04-28 10:23:57,472 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {28950#true} {28950#true} #63#return; {28950#true} is VALID [2022-04-28 10:23:57,472 INFO L290 TraceCheckUtils]: 2: Hoare triple {28950#true} assume true; {28950#true} is VALID [2022-04-28 10:23:57,472 INFO L290 TraceCheckUtils]: 1: Hoare triple {28950#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {28950#true} is VALID [2022-04-28 10:23:57,472 INFO L272 TraceCheckUtils]: 0: Hoare triple {28950#true} call ULTIMATE.init(); {28950#true} is VALID [2022-04-28 10:23:57,472 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:23:57,472 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [265210164] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 10:23:57,472 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 10:23:57,472 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 47, 47] total 94 [2022-04-28 10:23:57,472 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 10:23:57,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [47123884] [2022-04-28 10:23:57,473 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [47123884] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 10:23:57,473 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 10:23:57,473 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [48] imperfect sequences [] total 48 [2022-04-28 10:23:57,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737234009] [2022-04-28 10:23:57,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 10:23:57,473 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 48 states have (on average 1.1041666666666667) internal successors, (53), 47 states have internal predecessors, (53), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 57 [2022-04-28 10:23:57,473 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 10:23:57,473 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 48 states, 48 states have (on average 1.1041666666666667) internal successors, (53), 47 states have internal predecessors, (53), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:23:57,501 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 57 edges. 57 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:23:57,501 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2022-04-28 10:23:57,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 10:23:57,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2022-04-28 10:23:57,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2300, Invalid=6442, Unknown=0, NotChecked=0, Total=8742 [2022-04-28 10:23:57,502 INFO L87 Difference]: Start difference. First operand 66 states and 70 transitions. Second operand has 48 states, 48 states have (on average 1.1041666666666667) internal successors, (53), 47 states have internal predecessors, (53), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:24:01,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:24:01,563 INFO L93 Difference]: Finished difference Result 127 states and 136 transitions. [2022-04-28 10:24:01,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-04-28 10:24:01,564 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 48 states have (on average 1.1041666666666667) internal successors, (53), 47 states have internal predecessors, (53), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 57 [2022-04-28 10:24:01,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 10:24:01,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 48 states have (on average 1.1041666666666667) internal successors, (53), 47 states have internal predecessors, (53), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:24:01,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 90 transitions. [2022-04-28 10:24:01,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 48 states have (on average 1.1041666666666667) internal successors, (53), 47 states have internal predecessors, (53), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:24:01,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 90 transitions. [2022-04-28 10:24:01,566 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 48 states and 90 transitions. [2022-04-28 10:24:01,632 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 90 edges. 90 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:24:01,633 INFO L225 Difference]: With dead ends: 127 [2022-04-28 10:24:01,633 INFO L226 Difference]: Without dead ends: 68 [2022-04-28 10:24:01,635 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 71 SyntacticMatches, 1 SemanticMatches, 137 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1084 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=4593, Invalid=14589, Unknown=0, NotChecked=0, Total=19182 [2022-04-28 10:24:01,635 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 17 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 2267 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 2362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 2267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-04-28 10:24:01,635 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 88 Invalid, 2362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 2267 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-04-28 10:24:01,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2022-04-28 10:24:01,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 67. [2022-04-28 10:24:01,698 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 10:24:01,698 INFO L82 GeneralOperation]: Start isEquivalent. First operand 68 states. Second operand has 67 states, 59 states have (on average 1.0677966101694916) internal successors, (63), 60 states have internal predecessors, (63), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:24:01,698 INFO L74 IsIncluded]: Start isIncluded. First operand 68 states. Second operand has 67 states, 59 states have (on average 1.0677966101694916) internal successors, (63), 60 states have internal predecessors, (63), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:24:01,698 INFO L87 Difference]: Start difference. First operand 68 states. Second operand has 67 states, 59 states have (on average 1.0677966101694916) internal successors, (63), 60 states have internal predecessors, (63), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:24:01,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:24:01,699 INFO L93 Difference]: Finished difference Result 68 states and 72 transitions. [2022-04-28 10:24:01,699 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 72 transitions. [2022-04-28 10:24:01,700 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:24:01,700 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:24:01,700 INFO L74 IsIncluded]: Start isIncluded. First operand has 67 states, 59 states have (on average 1.0677966101694916) internal successors, (63), 60 states have internal predecessors, (63), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 68 states. [2022-04-28 10:24:01,700 INFO L87 Difference]: Start difference. First operand has 67 states, 59 states have (on average 1.0677966101694916) internal successors, (63), 60 states have internal predecessors, (63), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 68 states. [2022-04-28 10:24:01,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:24:01,701 INFO L93 Difference]: Finished difference Result 68 states and 72 transitions. [2022-04-28 10:24:01,701 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 72 transitions. [2022-04-28 10:24:01,701 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:24:01,701 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:24:01,701 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 10:24:01,701 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 10:24:01,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 59 states have (on average 1.0677966101694916) internal successors, (63), 60 states have internal predecessors, (63), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:24:01,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 71 transitions. [2022-04-28 10:24:01,702 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 71 transitions. Word has length 57 [2022-04-28 10:24:01,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 10:24:01,703 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 71 transitions. [2022-04-28 10:24:01,703 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 1.1041666666666667) internal successors, (53), 47 states have internal predecessors, (53), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:24:01,703 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 67 states and 71 transitions. [2022-04-28 10:24:01,764 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 71 edges. 71 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:24:01,764 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 71 transitions. [2022-04-28 10:24:01,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-04-28 10:24:01,764 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 10:24:01,764 INFO L195 NwaCegarLoop]: trace histogram [45, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 10:24:01,785 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Forceful destruction successful, exit code 0 [2022-04-28 10:24:01,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2022-04-28 10:24:01,980 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 10:24:01,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 10:24:01,980 INFO L85 PathProgramCache]: Analyzing trace with hash -472398494, now seen corresponding path program 89 times [2022-04-28 10:24:01,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 10:24:01,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [42698206] [2022-04-28 10:24:01,982 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-28 10:24:01,982 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-28 10:24:01,982 INFO L85 PathProgramCache]: Analyzing trace with hash -472398494, now seen corresponding path program 90 times [2022-04-28 10:24:01,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 10:24:01,982 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194939297] [2022-04-28 10:24:01,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 10:24:01,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 10:24:02,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:24:03,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 10:24:03,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:24:03,020 INFO L290 TraceCheckUtils]: 0: Hoare triple {30054#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {30003#true} is VALID [2022-04-28 10:24:03,020 INFO L290 TraceCheckUtils]: 1: Hoare triple {30003#true} assume true; {30003#true} is VALID [2022-04-28 10:24:03,020 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {30003#true} {30003#true} #63#return; {30003#true} is VALID [2022-04-28 10:24:03,020 INFO L272 TraceCheckUtils]: 0: Hoare triple {30003#true} call ULTIMATE.init(); {30054#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 10:24:03,020 INFO L290 TraceCheckUtils]: 1: Hoare triple {30054#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {30003#true} is VALID [2022-04-28 10:24:03,020 INFO L290 TraceCheckUtils]: 2: Hoare triple {30003#true} assume true; {30003#true} is VALID [2022-04-28 10:24:03,020 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {30003#true} {30003#true} #63#return; {30003#true} is VALID [2022-04-28 10:24:03,020 INFO L272 TraceCheckUtils]: 4: Hoare triple {30003#true} call #t~ret7 := main(); {30003#true} is VALID [2022-04-28 10:24:03,021 INFO L290 TraceCheckUtils]: 5: Hoare triple {30003#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {30003#true} is VALID [2022-04-28 10:24:03,021 INFO L290 TraceCheckUtils]: 6: Hoare triple {30003#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {30003#true} is VALID [2022-04-28 10:24:03,021 INFO L290 TraceCheckUtils]: 7: Hoare triple {30003#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {30008#(= main_~z~0 0)} is VALID [2022-04-28 10:24:03,021 INFO L290 TraceCheckUtils]: 8: Hoare triple {30008#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30009#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:24:03,022 INFO L290 TraceCheckUtils]: 9: Hoare triple {30009#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30010#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:24:03,022 INFO L290 TraceCheckUtils]: 10: Hoare triple {30010#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30011#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:24:03,023 INFO L290 TraceCheckUtils]: 11: Hoare triple {30011#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30012#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:24:03,023 INFO L290 TraceCheckUtils]: 12: Hoare triple {30012#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30013#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:24:03,023 INFO L290 TraceCheckUtils]: 13: Hoare triple {30013#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30014#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:24:03,024 INFO L290 TraceCheckUtils]: 14: Hoare triple {30014#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30015#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:24:03,024 INFO L290 TraceCheckUtils]: 15: Hoare triple {30015#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30016#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:24:03,025 INFO L290 TraceCheckUtils]: 16: Hoare triple {30016#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30017#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:24:03,025 INFO L290 TraceCheckUtils]: 17: Hoare triple {30017#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30018#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:24:03,026 INFO L290 TraceCheckUtils]: 18: Hoare triple {30018#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30019#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:24:03,026 INFO L290 TraceCheckUtils]: 19: Hoare triple {30019#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30020#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:24:03,027 INFO L290 TraceCheckUtils]: 20: Hoare triple {30020#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30021#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:24:03,027 INFO L290 TraceCheckUtils]: 21: Hoare triple {30021#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30022#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:24:03,028 INFO L290 TraceCheckUtils]: 22: Hoare triple {30022#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30023#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:24:03,028 INFO L290 TraceCheckUtils]: 23: Hoare triple {30023#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30024#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:24:03,028 INFO L290 TraceCheckUtils]: 24: Hoare triple {30024#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30025#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:24:03,029 INFO L290 TraceCheckUtils]: 25: Hoare triple {30025#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30026#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:24:03,029 INFO L290 TraceCheckUtils]: 26: Hoare triple {30026#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30027#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:24:03,030 INFO L290 TraceCheckUtils]: 27: Hoare triple {30027#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30028#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 10:24:03,030 INFO L290 TraceCheckUtils]: 28: Hoare triple {30028#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30029#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 10:24:03,031 INFO L290 TraceCheckUtils]: 29: Hoare triple {30029#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30030#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 10:24:03,031 INFO L290 TraceCheckUtils]: 30: Hoare triple {30030#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30031#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 10:24:03,032 INFO L290 TraceCheckUtils]: 31: Hoare triple {30031#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30032#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 10:24:03,032 INFO L290 TraceCheckUtils]: 32: Hoare triple {30032#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30033#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 10:24:03,032 INFO L290 TraceCheckUtils]: 33: Hoare triple {30033#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30034#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 10:24:03,033 INFO L290 TraceCheckUtils]: 34: Hoare triple {30034#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30035#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 10:24:03,033 INFO L290 TraceCheckUtils]: 35: Hoare triple {30035#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30036#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 10:24:03,034 INFO L290 TraceCheckUtils]: 36: Hoare triple {30036#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30037#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 10:24:03,034 INFO L290 TraceCheckUtils]: 37: Hoare triple {30037#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30038#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 10:24:03,035 INFO L290 TraceCheckUtils]: 38: Hoare triple {30038#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30039#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 10:24:03,035 INFO L290 TraceCheckUtils]: 39: Hoare triple {30039#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30040#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 10:24:03,036 INFO L290 TraceCheckUtils]: 40: Hoare triple {30040#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30041#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 10:24:03,036 INFO L290 TraceCheckUtils]: 41: Hoare triple {30041#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30042#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 10:24:03,037 INFO L290 TraceCheckUtils]: 42: Hoare triple {30042#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30043#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 10:24:03,037 INFO L290 TraceCheckUtils]: 43: Hoare triple {30043#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30044#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 10:24:03,037 INFO L290 TraceCheckUtils]: 44: Hoare triple {30044#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30045#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 10:24:03,038 INFO L290 TraceCheckUtils]: 45: Hoare triple {30045#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30046#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 10:24:03,038 INFO L290 TraceCheckUtils]: 46: Hoare triple {30046#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30047#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 10:24:03,039 INFO L290 TraceCheckUtils]: 47: Hoare triple {30047#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30048#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 10:24:03,039 INFO L290 TraceCheckUtils]: 48: Hoare triple {30048#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30049#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 10:24:03,040 INFO L290 TraceCheckUtils]: 49: Hoare triple {30049#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30050#(and (<= 42 main_~z~0) (<= main_~z~0 42))} is VALID [2022-04-28 10:24:03,040 INFO L290 TraceCheckUtils]: 50: Hoare triple {30050#(and (<= 42 main_~z~0) (<= main_~z~0 42))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30051#(and (<= main_~z~0 43) (<= 43 main_~z~0))} is VALID [2022-04-28 10:24:03,041 INFO L290 TraceCheckUtils]: 51: Hoare triple {30051#(and (<= main_~z~0 43) (<= 43 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30052#(and (<= main_~z~0 44) (<= 44 main_~z~0))} is VALID [2022-04-28 10:24:03,041 INFO L290 TraceCheckUtils]: 52: Hoare triple {30052#(and (<= main_~z~0 44) (<= 44 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30053#(and (<= main_~z~0 45) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} is VALID [2022-04-28 10:24:03,041 INFO L290 TraceCheckUtils]: 53: Hoare triple {30053#(and (<= main_~z~0 45) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} assume !(~z~0 % 4294967296 < 268435455); {30004#false} is VALID [2022-04-28 10:24:03,041 INFO L272 TraceCheckUtils]: 54: Hoare triple {30004#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {30004#false} is VALID [2022-04-28 10:24:03,042 INFO L290 TraceCheckUtils]: 55: Hoare triple {30004#false} ~cond := #in~cond; {30004#false} is VALID [2022-04-28 10:24:03,042 INFO L290 TraceCheckUtils]: 56: Hoare triple {30004#false} assume 0 == ~cond; {30004#false} is VALID [2022-04-28 10:24:03,042 INFO L290 TraceCheckUtils]: 57: Hoare triple {30004#false} assume !false; {30004#false} is VALID [2022-04-28 10:24:03,042 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:24:03,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 10:24:03,042 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194939297] [2022-04-28 10:24:03,042 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194939297] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 10:24:03,042 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [822015101] [2022-04-28 10:24:03,042 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-04-28 10:24:03,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:24:03,043 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 10:24:03,045 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 10:24:03,045 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2022-04-28 10:24:09,268 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 24 check-sat command(s) [2022-04-28 10:24:09,268 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 10:24:09,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 97 conjunts are in the unsatisfiable core [2022-04-28 10:24:09,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:24:09,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 10:24:09,723 INFO L272 TraceCheckUtils]: 0: Hoare triple {30003#true} call ULTIMATE.init(); {30003#true} is VALID [2022-04-28 10:24:09,723 INFO L290 TraceCheckUtils]: 1: Hoare triple {30003#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {30003#true} is VALID [2022-04-28 10:24:09,723 INFO L290 TraceCheckUtils]: 2: Hoare triple {30003#true} assume true; {30003#true} is VALID [2022-04-28 10:24:09,723 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {30003#true} {30003#true} #63#return; {30003#true} is VALID [2022-04-28 10:24:09,723 INFO L272 TraceCheckUtils]: 4: Hoare triple {30003#true} call #t~ret7 := main(); {30003#true} is VALID [2022-04-28 10:24:09,723 INFO L290 TraceCheckUtils]: 5: Hoare triple {30003#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {30003#true} is VALID [2022-04-28 10:24:09,723 INFO L290 TraceCheckUtils]: 6: Hoare triple {30003#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {30003#true} is VALID [2022-04-28 10:24:09,724 INFO L290 TraceCheckUtils]: 7: Hoare triple {30003#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {30008#(= main_~z~0 0)} is VALID [2022-04-28 10:24:09,724 INFO L290 TraceCheckUtils]: 8: Hoare triple {30008#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30009#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:24:09,724 INFO L290 TraceCheckUtils]: 9: Hoare triple {30009#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30010#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:24:09,725 INFO L290 TraceCheckUtils]: 10: Hoare triple {30010#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30011#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:24:09,725 INFO L290 TraceCheckUtils]: 11: Hoare triple {30011#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30012#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:24:09,726 INFO L290 TraceCheckUtils]: 12: Hoare triple {30012#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30013#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:24:09,726 INFO L290 TraceCheckUtils]: 13: Hoare triple {30013#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30014#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:24:09,727 INFO L290 TraceCheckUtils]: 14: Hoare triple {30014#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30015#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:24:09,727 INFO L290 TraceCheckUtils]: 15: Hoare triple {30015#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30016#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:24:09,728 INFO L290 TraceCheckUtils]: 16: Hoare triple {30016#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30017#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:24:09,728 INFO L290 TraceCheckUtils]: 17: Hoare triple {30017#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30018#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:24:09,728 INFO L290 TraceCheckUtils]: 18: Hoare triple {30018#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30019#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:24:09,729 INFO L290 TraceCheckUtils]: 19: Hoare triple {30019#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30020#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:24:09,729 INFO L290 TraceCheckUtils]: 20: Hoare triple {30020#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30021#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:24:09,730 INFO L290 TraceCheckUtils]: 21: Hoare triple {30021#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30022#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:24:09,731 INFO L290 TraceCheckUtils]: 22: Hoare triple {30022#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30023#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:24:09,731 INFO L290 TraceCheckUtils]: 23: Hoare triple {30023#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30024#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:24:09,732 INFO L290 TraceCheckUtils]: 24: Hoare triple {30024#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30025#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:24:09,732 INFO L290 TraceCheckUtils]: 25: Hoare triple {30025#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30026#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:24:09,733 INFO L290 TraceCheckUtils]: 26: Hoare triple {30026#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30027#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:24:09,733 INFO L290 TraceCheckUtils]: 27: Hoare triple {30027#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30028#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 10:24:09,734 INFO L290 TraceCheckUtils]: 28: Hoare triple {30028#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30029#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 10:24:09,734 INFO L290 TraceCheckUtils]: 29: Hoare triple {30029#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30030#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 10:24:09,734 INFO L290 TraceCheckUtils]: 30: Hoare triple {30030#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30031#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 10:24:09,735 INFO L290 TraceCheckUtils]: 31: Hoare triple {30031#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30032#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 10:24:09,735 INFO L290 TraceCheckUtils]: 32: Hoare triple {30032#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30033#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 10:24:09,736 INFO L290 TraceCheckUtils]: 33: Hoare triple {30033#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30034#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 10:24:09,736 INFO L290 TraceCheckUtils]: 34: Hoare triple {30034#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30035#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 10:24:09,737 INFO L290 TraceCheckUtils]: 35: Hoare triple {30035#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30036#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 10:24:09,737 INFO L290 TraceCheckUtils]: 36: Hoare triple {30036#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30037#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 10:24:09,738 INFO L290 TraceCheckUtils]: 37: Hoare triple {30037#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30038#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 10:24:09,738 INFO L290 TraceCheckUtils]: 38: Hoare triple {30038#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30039#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 10:24:09,738 INFO L290 TraceCheckUtils]: 39: Hoare triple {30039#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30040#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 10:24:09,739 INFO L290 TraceCheckUtils]: 40: Hoare triple {30040#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30041#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 10:24:09,739 INFO L290 TraceCheckUtils]: 41: Hoare triple {30041#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30042#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 10:24:09,740 INFO L290 TraceCheckUtils]: 42: Hoare triple {30042#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30043#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 10:24:09,740 INFO L290 TraceCheckUtils]: 43: Hoare triple {30043#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30044#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 10:24:09,741 INFO L290 TraceCheckUtils]: 44: Hoare triple {30044#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30045#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 10:24:09,741 INFO L290 TraceCheckUtils]: 45: Hoare triple {30045#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30046#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 10:24:09,742 INFO L290 TraceCheckUtils]: 46: Hoare triple {30046#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30047#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 10:24:09,742 INFO L290 TraceCheckUtils]: 47: Hoare triple {30047#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30048#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 10:24:09,742 INFO L290 TraceCheckUtils]: 48: Hoare triple {30048#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30049#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 10:24:09,743 INFO L290 TraceCheckUtils]: 49: Hoare triple {30049#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30050#(and (<= 42 main_~z~0) (<= main_~z~0 42))} is VALID [2022-04-28 10:24:09,743 INFO L290 TraceCheckUtils]: 50: Hoare triple {30050#(and (<= 42 main_~z~0) (<= main_~z~0 42))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30051#(and (<= main_~z~0 43) (<= 43 main_~z~0))} is VALID [2022-04-28 10:24:09,744 INFO L290 TraceCheckUtils]: 51: Hoare triple {30051#(and (<= main_~z~0 43) (<= 43 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30052#(and (<= main_~z~0 44) (<= 44 main_~z~0))} is VALID [2022-04-28 10:24:09,744 INFO L290 TraceCheckUtils]: 52: Hoare triple {30052#(and (<= main_~z~0 44) (<= 44 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30214#(and (<= main_~z~0 45) (<= 45 main_~z~0))} is VALID [2022-04-28 10:24:09,745 INFO L290 TraceCheckUtils]: 53: Hoare triple {30214#(and (<= main_~z~0 45) (<= 45 main_~z~0))} assume !(~z~0 % 4294967296 < 268435455); {30004#false} is VALID [2022-04-28 10:24:09,745 INFO L272 TraceCheckUtils]: 54: Hoare triple {30004#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {30004#false} is VALID [2022-04-28 10:24:09,745 INFO L290 TraceCheckUtils]: 55: Hoare triple {30004#false} ~cond := #in~cond; {30004#false} is VALID [2022-04-28 10:24:09,745 INFO L290 TraceCheckUtils]: 56: Hoare triple {30004#false} assume 0 == ~cond; {30004#false} is VALID [2022-04-28 10:24:09,745 INFO L290 TraceCheckUtils]: 57: Hoare triple {30004#false} assume !false; {30004#false} is VALID [2022-04-28 10:24:09,745 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:24:09,745 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 10:24:18,737 INFO L290 TraceCheckUtils]: 57: Hoare triple {30004#false} assume !false; {30004#false} is VALID [2022-04-28 10:24:18,738 INFO L290 TraceCheckUtils]: 56: Hoare triple {30233#(not (<= __VERIFIER_assert_~cond 0))} assume 0 == ~cond; {30004#false} is VALID [2022-04-28 10:24:18,738 INFO L290 TraceCheckUtils]: 55: Hoare triple {30237#(< 0 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {30233#(not (<= __VERIFIER_assert_~cond 0))} is VALID [2022-04-28 10:24:18,738 INFO L272 TraceCheckUtils]: 54: Hoare triple {30241#(= (mod main_~z~0 4) 0)} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {30237#(< 0 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-28 10:24:18,739 INFO L290 TraceCheckUtils]: 53: Hoare triple {30245#(or (< (mod main_~z~0 4294967296) 268435455) (= (mod main_~z~0 4) 0))} assume !(~z~0 % 4294967296 < 268435455); {30241#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 10:24:18,739 INFO L290 TraceCheckUtils]: 52: Hoare triple {30249#(or (< (mod (+ main_~z~0 1) 4294967296) 268435455) (<= 268435455 (mod main_~z~0 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30245#(or (< (mod main_~z~0 4294967296) 268435455) (= (mod main_~z~0 4) 0))} is VALID [2022-04-28 10:24:18,740 INFO L290 TraceCheckUtils]: 51: Hoare triple {30253#(or (< (mod (+ main_~z~0 2) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 1) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30249#(or (< (mod (+ main_~z~0 1) 4294967296) 268435455) (<= 268435455 (mod main_~z~0 4294967296)))} is VALID [2022-04-28 10:24:18,741 INFO L290 TraceCheckUtils]: 50: Hoare triple {30257#(or (<= 268435455 (mod (+ main_~z~0 2) 4294967296)) (< (mod (+ main_~z~0 3) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30253#(or (< (mod (+ main_~z~0 2) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 1) 4294967296)))} is VALID [2022-04-28 10:24:18,742 INFO L290 TraceCheckUtils]: 49: Hoare triple {30261#(or (<= 268435455 (mod (+ main_~z~0 3) 4294967296)) (< (mod (+ main_~z~0 4) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30257#(or (<= 268435455 (mod (+ main_~z~0 2) 4294967296)) (< (mod (+ main_~z~0 3) 4294967296) 268435455))} is VALID [2022-04-28 10:24:18,742 INFO L290 TraceCheckUtils]: 48: Hoare triple {30265#(or (< (mod (+ 5 main_~z~0) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 4) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30261#(or (<= 268435455 (mod (+ main_~z~0 3) 4294967296)) (< (mod (+ main_~z~0 4) 4294967296) 268435455))} is VALID [2022-04-28 10:24:18,743 INFO L290 TraceCheckUtils]: 47: Hoare triple {30269#(or (< (mod (+ main_~z~0 6) 4294967296) 268435455) (<= 268435455 (mod (+ 5 main_~z~0) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30265#(or (< (mod (+ 5 main_~z~0) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 4) 4294967296)))} is VALID [2022-04-28 10:24:18,744 INFO L290 TraceCheckUtils]: 46: Hoare triple {30273#(or (< (mod (+ 7 main_~z~0) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 6) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30269#(or (< (mod (+ main_~z~0 6) 4294967296) 268435455) (<= 268435455 (mod (+ 5 main_~z~0) 4294967296)))} is VALID [2022-04-28 10:24:18,745 INFO L290 TraceCheckUtils]: 45: Hoare triple {30277#(or (< (mod (+ main_~z~0 8) 4294967296) 268435455) (<= 268435455 (mod (+ 7 main_~z~0) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30273#(or (< (mod (+ 7 main_~z~0) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 6) 4294967296)))} is VALID [2022-04-28 10:24:18,745 INFO L290 TraceCheckUtils]: 44: Hoare triple {30281#(or (<= 268435455 (mod (+ main_~z~0 8) 4294967296)) (< (mod (+ main_~z~0 9) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30277#(or (< (mod (+ main_~z~0 8) 4294967296) 268435455) (<= 268435455 (mod (+ 7 main_~z~0) 4294967296)))} is VALID [2022-04-28 10:24:18,746 INFO L290 TraceCheckUtils]: 43: Hoare triple {30285#(or (<= 268435455 (mod (+ main_~z~0 9) 4294967296)) (< (mod (+ main_~z~0 10) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30281#(or (<= 268435455 (mod (+ main_~z~0 8) 4294967296)) (< (mod (+ main_~z~0 9) 4294967296) 268435455))} is VALID [2022-04-28 10:24:18,747 INFO L290 TraceCheckUtils]: 42: Hoare triple {30289#(or (< (mod (+ main_~z~0 11) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 10) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30285#(or (<= 268435455 (mod (+ main_~z~0 9) 4294967296)) (< (mod (+ main_~z~0 10) 4294967296) 268435455))} is VALID [2022-04-28 10:24:18,748 INFO L290 TraceCheckUtils]: 41: Hoare triple {30293#(or (<= 268435455 (mod (+ main_~z~0 11) 4294967296)) (< (mod (+ main_~z~0 12) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30289#(or (< (mod (+ main_~z~0 11) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 10) 4294967296)))} is VALID [2022-04-28 10:24:18,748 INFO L290 TraceCheckUtils]: 40: Hoare triple {30297#(or (< (mod (+ main_~z~0 13) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 12) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30293#(or (<= 268435455 (mod (+ main_~z~0 11) 4294967296)) (< (mod (+ main_~z~0 12) 4294967296) 268435455))} is VALID [2022-04-28 10:24:18,749 INFO L290 TraceCheckUtils]: 39: Hoare triple {30301#(or (< (mod (+ main_~z~0 14) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 13) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30297#(or (< (mod (+ main_~z~0 13) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 12) 4294967296)))} is VALID [2022-04-28 10:24:18,750 INFO L290 TraceCheckUtils]: 38: Hoare triple {30305#(or (< (mod (+ main_~z~0 15) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 14) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30301#(or (< (mod (+ main_~z~0 14) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 13) 4294967296)))} is VALID [2022-04-28 10:24:18,750 INFO L290 TraceCheckUtils]: 37: Hoare triple {30309#(or (< (mod (+ main_~z~0 16) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 15) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30305#(or (< (mod (+ main_~z~0 15) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 14) 4294967296)))} is VALID [2022-04-28 10:24:18,751 INFO L290 TraceCheckUtils]: 36: Hoare triple {30313#(or (< (mod (+ main_~z~0 17) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 16) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30309#(or (< (mod (+ main_~z~0 16) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 15) 4294967296)))} is VALID [2022-04-28 10:24:18,752 INFO L290 TraceCheckUtils]: 35: Hoare triple {30317#(or (<= 268435455 (mod (+ main_~z~0 17) 4294967296)) (< (mod (+ main_~z~0 18) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30313#(or (< (mod (+ main_~z~0 17) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 16) 4294967296)))} is VALID [2022-04-28 10:24:18,753 INFO L290 TraceCheckUtils]: 34: Hoare triple {30321#(or (<= 268435455 (mod (+ main_~z~0 18) 4294967296)) (< (mod (+ 19 main_~z~0) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30317#(or (<= 268435455 (mod (+ main_~z~0 17) 4294967296)) (< (mod (+ main_~z~0 18) 4294967296) 268435455))} is VALID [2022-04-28 10:24:18,753 INFO L290 TraceCheckUtils]: 33: Hoare triple {30325#(or (< (mod (+ main_~z~0 20) 4294967296) 268435455) (<= 268435455 (mod (+ 19 main_~z~0) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30321#(or (<= 268435455 (mod (+ main_~z~0 18) 4294967296)) (< (mod (+ 19 main_~z~0) 4294967296) 268435455))} is VALID [2022-04-28 10:24:18,754 INFO L290 TraceCheckUtils]: 32: Hoare triple {30329#(or (< (mod (+ main_~z~0 21) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 20) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30325#(or (< (mod (+ main_~z~0 20) 4294967296) 268435455) (<= 268435455 (mod (+ 19 main_~z~0) 4294967296)))} is VALID [2022-04-28 10:24:18,755 INFO L290 TraceCheckUtils]: 31: Hoare triple {30333#(or (<= 268435455 (mod (+ main_~z~0 21) 4294967296)) (< (mod (+ main_~z~0 22) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30329#(or (< (mod (+ main_~z~0 21) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 20) 4294967296)))} is VALID [2022-04-28 10:24:18,756 INFO L290 TraceCheckUtils]: 30: Hoare triple {30337#(or (<= 268435455 (mod (+ main_~z~0 22) 4294967296)) (< (mod (+ 23 main_~z~0) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30333#(or (<= 268435455 (mod (+ main_~z~0 21) 4294967296)) (< (mod (+ main_~z~0 22) 4294967296) 268435455))} is VALID [2022-04-28 10:24:18,756 INFO L290 TraceCheckUtils]: 29: Hoare triple {30341#(or (< (mod (+ main_~z~0 24) 4294967296) 268435455) (<= 268435455 (mod (+ 23 main_~z~0) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30337#(or (<= 268435455 (mod (+ main_~z~0 22) 4294967296)) (< (mod (+ 23 main_~z~0) 4294967296) 268435455))} is VALID [2022-04-28 10:24:18,757 INFO L290 TraceCheckUtils]: 28: Hoare triple {30345#(or (<= 268435455 (mod (+ main_~z~0 24) 4294967296)) (< (mod (+ main_~z~0 25) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30341#(or (< (mod (+ main_~z~0 24) 4294967296) 268435455) (<= 268435455 (mod (+ 23 main_~z~0) 4294967296)))} is VALID [2022-04-28 10:24:18,758 INFO L290 TraceCheckUtils]: 27: Hoare triple {30349#(or (<= 268435455 (mod (+ main_~z~0 25) 4294967296)) (< (mod (+ main_~z~0 26) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30345#(or (<= 268435455 (mod (+ main_~z~0 24) 4294967296)) (< (mod (+ main_~z~0 25) 4294967296) 268435455))} is VALID [2022-04-28 10:24:18,758 INFO L290 TraceCheckUtils]: 26: Hoare triple {30353#(or (< (mod (+ main_~z~0 27) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 26) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30349#(or (<= 268435455 (mod (+ main_~z~0 25) 4294967296)) (< (mod (+ main_~z~0 26) 4294967296) 268435455))} is VALID [2022-04-28 10:24:18,759 INFO L290 TraceCheckUtils]: 25: Hoare triple {30357#(or (< (mod (+ main_~z~0 28) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 27) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30353#(or (< (mod (+ main_~z~0 27) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 26) 4294967296)))} is VALID [2022-04-28 10:24:18,760 INFO L290 TraceCheckUtils]: 24: Hoare triple {30361#(or (<= 268435455 (mod (+ main_~z~0 28) 4294967296)) (< (mod (+ 29 main_~z~0) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30357#(or (< (mod (+ main_~z~0 28) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 27) 4294967296)))} is VALID [2022-04-28 10:24:18,761 INFO L290 TraceCheckUtils]: 23: Hoare triple {30365#(or (< (mod (+ 30 main_~z~0) 4294967296) 268435455) (<= 268435455 (mod (+ 29 main_~z~0) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30361#(or (<= 268435455 (mod (+ main_~z~0 28) 4294967296)) (< (mod (+ 29 main_~z~0) 4294967296) 268435455))} is VALID [2022-04-28 10:24:18,761 INFO L290 TraceCheckUtils]: 22: Hoare triple {30369#(or (<= 268435455 (mod (+ 30 main_~z~0) 4294967296)) (< (mod (+ main_~z~0 31) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30365#(or (< (mod (+ 30 main_~z~0) 4294967296) 268435455) (<= 268435455 (mod (+ 29 main_~z~0) 4294967296)))} is VALID [2022-04-28 10:24:18,762 INFO L290 TraceCheckUtils]: 21: Hoare triple {30373#(or (<= 268435455 (mod (+ main_~z~0 31) 4294967296)) (< (mod (+ 32 main_~z~0) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30369#(or (<= 268435455 (mod (+ 30 main_~z~0) 4294967296)) (< (mod (+ main_~z~0 31) 4294967296) 268435455))} is VALID [2022-04-28 10:24:18,763 INFO L290 TraceCheckUtils]: 20: Hoare triple {30377#(or (< (mod (+ main_~z~0 33) 4294967296) 268435455) (<= 268435455 (mod (+ 32 main_~z~0) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30373#(or (<= 268435455 (mod (+ main_~z~0 31) 4294967296)) (< (mod (+ 32 main_~z~0) 4294967296) 268435455))} is VALID [2022-04-28 10:24:18,764 INFO L290 TraceCheckUtils]: 19: Hoare triple {30381#(or (<= 268435455 (mod (+ main_~z~0 33) 4294967296)) (< (mod (+ main_~z~0 34) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30377#(or (< (mod (+ main_~z~0 33) 4294967296) 268435455) (<= 268435455 (mod (+ 32 main_~z~0) 4294967296)))} is VALID [2022-04-28 10:24:18,764 INFO L290 TraceCheckUtils]: 18: Hoare triple {30385#(or (<= 268435455 (mod (+ main_~z~0 34) 4294967296)) (< (mod (+ 35 main_~z~0) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30381#(or (<= 268435455 (mod (+ main_~z~0 33) 4294967296)) (< (mod (+ main_~z~0 34) 4294967296) 268435455))} is VALID [2022-04-28 10:24:18,765 INFO L290 TraceCheckUtils]: 17: Hoare triple {30389#(or (< (mod (+ main_~z~0 36) 4294967296) 268435455) (<= 268435455 (mod (+ 35 main_~z~0) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30385#(or (<= 268435455 (mod (+ main_~z~0 34) 4294967296)) (< (mod (+ 35 main_~z~0) 4294967296) 268435455))} is VALID [2022-04-28 10:24:18,766 INFO L290 TraceCheckUtils]: 16: Hoare triple {30393#(or (< (mod (+ main_~z~0 37) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 36) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30389#(or (< (mod (+ main_~z~0 36) 4294967296) 268435455) (<= 268435455 (mod (+ 35 main_~z~0) 4294967296)))} is VALID [2022-04-28 10:24:18,766 INFO L290 TraceCheckUtils]: 15: Hoare triple {30397#(or (< (mod (+ main_~z~0 38) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 37) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30393#(or (< (mod (+ main_~z~0 37) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 36) 4294967296)))} is VALID [2022-04-28 10:24:18,767 INFO L290 TraceCheckUtils]: 14: Hoare triple {30401#(or (< (mod (+ main_~z~0 39) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 38) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30397#(or (< (mod (+ main_~z~0 38) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 37) 4294967296)))} is VALID [2022-04-28 10:24:18,768 INFO L290 TraceCheckUtils]: 13: Hoare triple {30405#(or (< (mod (+ 40 main_~z~0) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 39) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30401#(or (< (mod (+ main_~z~0 39) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 38) 4294967296)))} is VALID [2022-04-28 10:24:18,769 INFO L290 TraceCheckUtils]: 12: Hoare triple {30409#(or (<= 268435455 (mod (+ 40 main_~z~0) 4294967296)) (< (mod (+ 41 main_~z~0) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30405#(or (< (mod (+ 40 main_~z~0) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 39) 4294967296)))} is VALID [2022-04-28 10:24:18,769 INFO L290 TraceCheckUtils]: 11: Hoare triple {30413#(or (< (mod (+ 42 main_~z~0) 4294967296) 268435455) (<= 268435455 (mod (+ 41 main_~z~0) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30409#(or (<= 268435455 (mod (+ 40 main_~z~0) 4294967296)) (< (mod (+ 41 main_~z~0) 4294967296) 268435455))} is VALID [2022-04-28 10:24:18,770 INFO L290 TraceCheckUtils]: 10: Hoare triple {30417#(or (< (mod (+ main_~z~0 43) 4294967296) 268435455) (<= 268435455 (mod (+ 42 main_~z~0) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30413#(or (< (mod (+ 42 main_~z~0) 4294967296) 268435455) (<= 268435455 (mod (+ 41 main_~z~0) 4294967296)))} is VALID [2022-04-28 10:24:18,771 INFO L290 TraceCheckUtils]: 9: Hoare triple {30421#(or (< (mod (+ 44 main_~z~0) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 43) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30417#(or (< (mod (+ main_~z~0 43) 4294967296) 268435455) (<= 268435455 (mod (+ 42 main_~z~0) 4294967296)))} is VALID [2022-04-28 10:24:18,771 INFO L290 TraceCheckUtils]: 8: Hoare triple {30425#(or (< (mod (+ main_~z~0 45) 4294967296) 268435455) (<= 268435455 (mod (+ 44 main_~z~0) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {30421#(or (< (mod (+ 44 main_~z~0) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 43) 4294967296)))} is VALID [2022-04-28 10:24:18,772 INFO L290 TraceCheckUtils]: 7: Hoare triple {30003#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {30425#(or (< (mod (+ main_~z~0 45) 4294967296) 268435455) (<= 268435455 (mod (+ 44 main_~z~0) 4294967296)))} is VALID [2022-04-28 10:24:18,772 INFO L290 TraceCheckUtils]: 6: Hoare triple {30003#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {30003#true} is VALID [2022-04-28 10:24:18,772 INFO L290 TraceCheckUtils]: 5: Hoare triple {30003#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {30003#true} is VALID [2022-04-28 10:24:18,772 INFO L272 TraceCheckUtils]: 4: Hoare triple {30003#true} call #t~ret7 := main(); {30003#true} is VALID [2022-04-28 10:24:18,772 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {30003#true} {30003#true} #63#return; {30003#true} is VALID [2022-04-28 10:24:18,772 INFO L290 TraceCheckUtils]: 2: Hoare triple {30003#true} assume true; {30003#true} is VALID [2022-04-28 10:24:18,772 INFO L290 TraceCheckUtils]: 1: Hoare triple {30003#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {30003#true} is VALID [2022-04-28 10:24:18,772 INFO L272 TraceCheckUtils]: 0: Hoare triple {30003#true} call ULTIMATE.init(); {30003#true} is VALID [2022-04-28 10:24:18,773 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:24:18,773 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [822015101] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 10:24:18,773 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 10:24:18,773 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 48, 51] total 99 [2022-04-28 10:24:18,773 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 10:24:18,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [42698206] [2022-04-28 10:24:18,773 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [42698206] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 10:24:18,773 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 10:24:18,773 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [49] imperfect sequences [] total 49 [2022-04-28 10:24:18,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374474592] [2022-04-28 10:24:18,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 10:24:18,774 INFO L78 Accepts]: Start accepts. Automaton has has 49 states, 49 states have (on average 1.1020408163265305) internal successors, (54), 48 states have internal predecessors, (54), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 58 [2022-04-28 10:24:18,774 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 10:24:18,774 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 49 states, 49 states have (on average 1.1020408163265305) internal successors, (54), 48 states have internal predecessors, (54), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:24:18,802 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 58 edges. 58 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:24:18,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2022-04-28 10:24:18,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 10:24:18,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2022-04-28 10:24:18,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2450, Invalid=7252, Unknown=0, NotChecked=0, Total=9702 [2022-04-28 10:24:18,803 INFO L87 Difference]: Start difference. First operand 67 states and 71 transitions. Second operand has 49 states, 49 states have (on average 1.1020408163265305) internal successors, (54), 48 states have internal predecessors, (54), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:24:23,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:24:23,126 INFO L93 Difference]: Finished difference Result 129 states and 138 transitions. [2022-04-28 10:24:23,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-04-28 10:24:23,127 INFO L78 Accepts]: Start accepts. Automaton has has 49 states, 49 states have (on average 1.1020408163265305) internal successors, (54), 48 states have internal predecessors, (54), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 58 [2022-04-28 10:24:23,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 10:24:23,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 49 states have (on average 1.1020408163265305) internal successors, (54), 48 states have internal predecessors, (54), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:24:23,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 91 transitions. [2022-04-28 10:24:23,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 49 states have (on average 1.1020408163265305) internal successors, (54), 48 states have internal predecessors, (54), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:24:23,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 91 transitions. [2022-04-28 10:24:23,129 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 49 states and 91 transitions. [2022-04-28 10:24:23,187 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 91 edges. 91 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:24:23,188 INFO L225 Difference]: With dead ends: 129 [2022-04-28 10:24:23,188 INFO L226 Difference]: Without dead ends: 69 [2022-04-28 10:24:23,189 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 69 SyntacticMatches, 1 SemanticMatches, 143 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1335 ImplicationChecksByTransitivity, 10.4s TimeCoverageRelationStatistics Valid=4852, Invalid=16028, Unknown=0, NotChecked=0, Total=20880 [2022-04-28 10:24:23,189 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 17 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 2509 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 2606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 2509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-04-28 10:24:23,189 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 138 Invalid, 2606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 2509 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-04-28 10:24:23,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2022-04-28 10:24:23,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 68. [2022-04-28 10:24:23,265 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 10:24:23,265 INFO L82 GeneralOperation]: Start isEquivalent. First operand 69 states. Second operand has 68 states, 60 states have (on average 1.0666666666666667) internal successors, (64), 61 states have internal predecessors, (64), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:24:23,265 INFO L74 IsIncluded]: Start isIncluded. First operand 69 states. Second operand has 68 states, 60 states have (on average 1.0666666666666667) internal successors, (64), 61 states have internal predecessors, (64), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:24:23,265 INFO L87 Difference]: Start difference. First operand 69 states. Second operand has 68 states, 60 states have (on average 1.0666666666666667) internal successors, (64), 61 states have internal predecessors, (64), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:24:23,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:24:23,266 INFO L93 Difference]: Finished difference Result 69 states and 73 transitions. [2022-04-28 10:24:23,266 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 73 transitions. [2022-04-28 10:24:23,266 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:24:23,266 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:24:23,267 INFO L74 IsIncluded]: Start isIncluded. First operand has 68 states, 60 states have (on average 1.0666666666666667) internal successors, (64), 61 states have internal predecessors, (64), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 69 states. [2022-04-28 10:24:23,267 INFO L87 Difference]: Start difference. First operand has 68 states, 60 states have (on average 1.0666666666666667) internal successors, (64), 61 states have internal predecessors, (64), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 69 states. [2022-04-28 10:24:23,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:24:23,268 INFO L93 Difference]: Finished difference Result 69 states and 73 transitions. [2022-04-28 10:24:23,268 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 73 transitions. [2022-04-28 10:24:23,268 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:24:23,268 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:24:23,268 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 10:24:23,268 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 10:24:23,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 60 states have (on average 1.0666666666666667) internal successors, (64), 61 states have internal predecessors, (64), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:24:23,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 72 transitions. [2022-04-28 10:24:23,269 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 72 transitions. Word has length 58 [2022-04-28 10:24:23,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 10:24:23,269 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 72 transitions. [2022-04-28 10:24:23,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 1.1020408163265305) internal successors, (54), 48 states have internal predecessors, (54), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:24:23,269 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 68 states and 72 transitions. [2022-04-28 10:24:23,327 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 72 edges. 72 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:24:23,328 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 72 transitions. [2022-04-28 10:24:23,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-04-28 10:24:23,328 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 10:24:23,328 INFO L195 NwaCegarLoop]: trace histogram [46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 10:24:23,341 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Ended with exit code 0 [2022-04-28 10:24:23,528 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2022-04-28 10:24:23,528 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 10:24:23,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 10:24:23,529 INFO L85 PathProgramCache]: Analyzing trace with hash -1733148862, now seen corresponding path program 91 times [2022-04-28 10:24:23,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 10:24:23,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [800522603] [2022-04-28 10:24:23,531 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-28 10:24:23,531 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-28 10:24:23,531 INFO L85 PathProgramCache]: Analyzing trace with hash -1733148862, now seen corresponding path program 92 times [2022-04-28 10:24:23,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 10:24:23,531 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568999876] [2022-04-28 10:24:23,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 10:24:23,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 10:24:23,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:24:24,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 10:24:24,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:24:24,625 INFO L290 TraceCheckUtils]: 0: Hoare triple {31129#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {31077#true} is VALID [2022-04-28 10:24:24,625 INFO L290 TraceCheckUtils]: 1: Hoare triple {31077#true} assume true; {31077#true} is VALID [2022-04-28 10:24:24,625 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {31077#true} {31077#true} #63#return; {31077#true} is VALID [2022-04-28 10:24:24,626 INFO L272 TraceCheckUtils]: 0: Hoare triple {31077#true} call ULTIMATE.init(); {31129#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 10:24:24,626 INFO L290 TraceCheckUtils]: 1: Hoare triple {31129#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {31077#true} is VALID [2022-04-28 10:24:24,626 INFO L290 TraceCheckUtils]: 2: Hoare triple {31077#true} assume true; {31077#true} is VALID [2022-04-28 10:24:24,626 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {31077#true} {31077#true} #63#return; {31077#true} is VALID [2022-04-28 10:24:24,626 INFO L272 TraceCheckUtils]: 4: Hoare triple {31077#true} call #t~ret7 := main(); {31077#true} is VALID [2022-04-28 10:24:24,626 INFO L290 TraceCheckUtils]: 5: Hoare triple {31077#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {31077#true} is VALID [2022-04-28 10:24:24,626 INFO L290 TraceCheckUtils]: 6: Hoare triple {31077#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {31077#true} is VALID [2022-04-28 10:24:24,626 INFO L290 TraceCheckUtils]: 7: Hoare triple {31077#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {31082#(= main_~z~0 0)} is VALID [2022-04-28 10:24:24,627 INFO L290 TraceCheckUtils]: 8: Hoare triple {31082#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31083#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:24:24,627 INFO L290 TraceCheckUtils]: 9: Hoare triple {31083#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31084#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:24:24,627 INFO L290 TraceCheckUtils]: 10: Hoare triple {31084#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31085#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:24:24,628 INFO L290 TraceCheckUtils]: 11: Hoare triple {31085#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31086#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:24:24,628 INFO L290 TraceCheckUtils]: 12: Hoare triple {31086#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31087#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:24:24,629 INFO L290 TraceCheckUtils]: 13: Hoare triple {31087#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31088#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:24:24,629 INFO L290 TraceCheckUtils]: 14: Hoare triple {31088#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31089#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:24:24,630 INFO L290 TraceCheckUtils]: 15: Hoare triple {31089#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31090#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:24:24,630 INFO L290 TraceCheckUtils]: 16: Hoare triple {31090#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31091#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:24:24,631 INFO L290 TraceCheckUtils]: 17: Hoare triple {31091#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31092#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:24:24,631 INFO L290 TraceCheckUtils]: 18: Hoare triple {31092#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31093#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:24:24,632 INFO L290 TraceCheckUtils]: 19: Hoare triple {31093#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31094#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:24:24,632 INFO L290 TraceCheckUtils]: 20: Hoare triple {31094#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31095#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:24:24,632 INFO L290 TraceCheckUtils]: 21: Hoare triple {31095#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31096#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:24:24,633 INFO L290 TraceCheckUtils]: 22: Hoare triple {31096#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31097#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:24:24,633 INFO L290 TraceCheckUtils]: 23: Hoare triple {31097#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31098#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:24:24,634 INFO L290 TraceCheckUtils]: 24: Hoare triple {31098#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31099#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:24:24,634 INFO L290 TraceCheckUtils]: 25: Hoare triple {31099#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31100#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:24:24,635 INFO L290 TraceCheckUtils]: 26: Hoare triple {31100#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31101#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:24:24,635 INFO L290 TraceCheckUtils]: 27: Hoare triple {31101#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31102#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 10:24:24,636 INFO L290 TraceCheckUtils]: 28: Hoare triple {31102#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31103#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 10:24:24,636 INFO L290 TraceCheckUtils]: 29: Hoare triple {31103#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31104#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 10:24:24,637 INFO L290 TraceCheckUtils]: 30: Hoare triple {31104#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31105#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 10:24:24,637 INFO L290 TraceCheckUtils]: 31: Hoare triple {31105#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31106#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 10:24:24,637 INFO L290 TraceCheckUtils]: 32: Hoare triple {31106#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31107#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 10:24:24,638 INFO L290 TraceCheckUtils]: 33: Hoare triple {31107#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31108#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 10:24:24,638 INFO L290 TraceCheckUtils]: 34: Hoare triple {31108#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31109#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 10:24:24,639 INFO L290 TraceCheckUtils]: 35: Hoare triple {31109#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31110#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 10:24:24,639 INFO L290 TraceCheckUtils]: 36: Hoare triple {31110#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31111#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 10:24:24,640 INFO L290 TraceCheckUtils]: 37: Hoare triple {31111#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31112#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 10:24:24,640 INFO L290 TraceCheckUtils]: 38: Hoare triple {31112#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31113#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 10:24:24,641 INFO L290 TraceCheckUtils]: 39: Hoare triple {31113#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31114#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 10:24:24,641 INFO L290 TraceCheckUtils]: 40: Hoare triple {31114#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31115#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 10:24:24,642 INFO L290 TraceCheckUtils]: 41: Hoare triple {31115#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31116#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 10:24:24,642 INFO L290 TraceCheckUtils]: 42: Hoare triple {31116#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31117#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 10:24:24,642 INFO L290 TraceCheckUtils]: 43: Hoare triple {31117#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31118#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 10:24:24,643 INFO L290 TraceCheckUtils]: 44: Hoare triple {31118#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31119#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 10:24:24,643 INFO L290 TraceCheckUtils]: 45: Hoare triple {31119#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31120#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 10:24:24,644 INFO L290 TraceCheckUtils]: 46: Hoare triple {31120#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31121#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 10:24:24,644 INFO L290 TraceCheckUtils]: 47: Hoare triple {31121#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31122#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 10:24:24,645 INFO L290 TraceCheckUtils]: 48: Hoare triple {31122#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31123#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 10:24:24,645 INFO L290 TraceCheckUtils]: 49: Hoare triple {31123#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31124#(and (<= 42 main_~z~0) (<= main_~z~0 42))} is VALID [2022-04-28 10:24:24,646 INFO L290 TraceCheckUtils]: 50: Hoare triple {31124#(and (<= 42 main_~z~0) (<= main_~z~0 42))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31125#(and (<= main_~z~0 43) (<= 43 main_~z~0))} is VALID [2022-04-28 10:24:24,646 INFO L290 TraceCheckUtils]: 51: Hoare triple {31125#(and (<= main_~z~0 43) (<= 43 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31126#(and (<= main_~z~0 44) (<= 44 main_~z~0))} is VALID [2022-04-28 10:24:24,647 INFO L290 TraceCheckUtils]: 52: Hoare triple {31126#(and (<= main_~z~0 44) (<= 44 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31127#(and (<= main_~z~0 45) (<= 45 main_~z~0))} is VALID [2022-04-28 10:24:24,647 INFO L290 TraceCheckUtils]: 53: Hoare triple {31127#(and (<= main_~z~0 45) (<= 45 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31128#(and (<= main_~z~0 46) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} is VALID [2022-04-28 10:24:24,647 INFO L290 TraceCheckUtils]: 54: Hoare triple {31128#(and (<= main_~z~0 46) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} assume !(~z~0 % 4294967296 < 268435455); {31078#false} is VALID [2022-04-28 10:24:24,648 INFO L272 TraceCheckUtils]: 55: Hoare triple {31078#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {31078#false} is VALID [2022-04-28 10:24:24,648 INFO L290 TraceCheckUtils]: 56: Hoare triple {31078#false} ~cond := #in~cond; {31078#false} is VALID [2022-04-28 10:24:24,648 INFO L290 TraceCheckUtils]: 57: Hoare triple {31078#false} assume 0 == ~cond; {31078#false} is VALID [2022-04-28 10:24:24,648 INFO L290 TraceCheckUtils]: 58: Hoare triple {31078#false} assume !false; {31078#false} is VALID [2022-04-28 10:24:24,648 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:24:24,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 10:24:24,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568999876] [2022-04-28 10:24:24,648 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568999876] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 10:24:24,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1640842826] [2022-04-28 10:24:24,648 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-28 10:24:24,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:24:24,649 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 10:24:24,650 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 10:24:24,652 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Waiting until timeout for monitored process [2022-04-28 10:24:24,756 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-28 10:24:24,757 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 10:24:24,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 95 conjunts are in the unsatisfiable core [2022-04-28 10:24:24,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:24:24,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 10:24:25,309 INFO L272 TraceCheckUtils]: 0: Hoare triple {31077#true} call ULTIMATE.init(); {31077#true} is VALID [2022-04-28 10:24:25,310 INFO L290 TraceCheckUtils]: 1: Hoare triple {31077#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {31077#true} is VALID [2022-04-28 10:24:25,310 INFO L290 TraceCheckUtils]: 2: Hoare triple {31077#true} assume true; {31077#true} is VALID [2022-04-28 10:24:25,310 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {31077#true} {31077#true} #63#return; {31077#true} is VALID [2022-04-28 10:24:25,310 INFO L272 TraceCheckUtils]: 4: Hoare triple {31077#true} call #t~ret7 := main(); {31077#true} is VALID [2022-04-28 10:24:25,310 INFO L290 TraceCheckUtils]: 5: Hoare triple {31077#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {31077#true} is VALID [2022-04-28 10:24:25,310 INFO L290 TraceCheckUtils]: 6: Hoare triple {31077#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {31077#true} is VALID [2022-04-28 10:24:25,310 INFO L290 TraceCheckUtils]: 7: Hoare triple {31077#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {31082#(= main_~z~0 0)} is VALID [2022-04-28 10:24:25,311 INFO L290 TraceCheckUtils]: 8: Hoare triple {31082#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31083#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:24:25,311 INFO L290 TraceCheckUtils]: 9: Hoare triple {31083#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31084#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:24:25,312 INFO L290 TraceCheckUtils]: 10: Hoare triple {31084#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31085#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:24:25,312 INFO L290 TraceCheckUtils]: 11: Hoare triple {31085#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31086#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:24:25,313 INFO L290 TraceCheckUtils]: 12: Hoare triple {31086#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31087#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:24:25,313 INFO L290 TraceCheckUtils]: 13: Hoare triple {31087#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31088#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:24:25,314 INFO L290 TraceCheckUtils]: 14: Hoare triple {31088#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31089#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:24:25,314 INFO L290 TraceCheckUtils]: 15: Hoare triple {31089#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31090#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:24:25,315 INFO L290 TraceCheckUtils]: 16: Hoare triple {31090#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31091#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:24:25,315 INFO L290 TraceCheckUtils]: 17: Hoare triple {31091#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31092#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:24:25,316 INFO L290 TraceCheckUtils]: 18: Hoare triple {31092#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31093#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:24:25,316 INFO L290 TraceCheckUtils]: 19: Hoare triple {31093#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31094#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:24:25,317 INFO L290 TraceCheckUtils]: 20: Hoare triple {31094#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31095#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:24:25,317 INFO L290 TraceCheckUtils]: 21: Hoare triple {31095#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31096#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:24:25,318 INFO L290 TraceCheckUtils]: 22: Hoare triple {31096#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31097#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:24:25,318 INFO L290 TraceCheckUtils]: 23: Hoare triple {31097#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31098#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:24:25,319 INFO L290 TraceCheckUtils]: 24: Hoare triple {31098#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31099#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:24:25,319 INFO L290 TraceCheckUtils]: 25: Hoare triple {31099#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31100#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:24:25,320 INFO L290 TraceCheckUtils]: 26: Hoare triple {31100#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31101#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:24:25,320 INFO L290 TraceCheckUtils]: 27: Hoare triple {31101#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31102#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 10:24:25,321 INFO L290 TraceCheckUtils]: 28: Hoare triple {31102#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31103#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 10:24:25,321 INFO L290 TraceCheckUtils]: 29: Hoare triple {31103#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31104#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 10:24:25,322 INFO L290 TraceCheckUtils]: 30: Hoare triple {31104#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31105#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 10:24:25,322 INFO L290 TraceCheckUtils]: 31: Hoare triple {31105#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31106#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 10:24:25,323 INFO L290 TraceCheckUtils]: 32: Hoare triple {31106#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31107#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 10:24:25,323 INFO L290 TraceCheckUtils]: 33: Hoare triple {31107#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31108#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 10:24:25,324 INFO L290 TraceCheckUtils]: 34: Hoare triple {31108#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31109#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 10:24:25,324 INFO L290 TraceCheckUtils]: 35: Hoare triple {31109#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31110#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 10:24:25,325 INFO L290 TraceCheckUtils]: 36: Hoare triple {31110#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31111#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 10:24:25,325 INFO L290 TraceCheckUtils]: 37: Hoare triple {31111#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31112#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 10:24:25,325 INFO L290 TraceCheckUtils]: 38: Hoare triple {31112#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31113#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 10:24:25,326 INFO L290 TraceCheckUtils]: 39: Hoare triple {31113#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31114#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 10:24:25,326 INFO L290 TraceCheckUtils]: 40: Hoare triple {31114#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31115#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 10:24:25,327 INFO L290 TraceCheckUtils]: 41: Hoare triple {31115#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31116#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 10:24:25,327 INFO L290 TraceCheckUtils]: 42: Hoare triple {31116#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31117#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 10:24:25,328 INFO L290 TraceCheckUtils]: 43: Hoare triple {31117#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31118#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 10:24:25,328 INFO L290 TraceCheckUtils]: 44: Hoare triple {31118#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31119#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 10:24:25,329 INFO L290 TraceCheckUtils]: 45: Hoare triple {31119#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31120#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 10:24:25,329 INFO L290 TraceCheckUtils]: 46: Hoare triple {31120#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31121#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 10:24:25,330 INFO L290 TraceCheckUtils]: 47: Hoare triple {31121#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31122#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 10:24:25,330 INFO L290 TraceCheckUtils]: 48: Hoare triple {31122#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31123#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 10:24:25,330 INFO L290 TraceCheckUtils]: 49: Hoare triple {31123#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31124#(and (<= 42 main_~z~0) (<= main_~z~0 42))} is VALID [2022-04-28 10:24:25,331 INFO L290 TraceCheckUtils]: 50: Hoare triple {31124#(and (<= 42 main_~z~0) (<= main_~z~0 42))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31125#(and (<= main_~z~0 43) (<= 43 main_~z~0))} is VALID [2022-04-28 10:24:25,331 INFO L290 TraceCheckUtils]: 51: Hoare triple {31125#(and (<= main_~z~0 43) (<= 43 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31126#(and (<= main_~z~0 44) (<= 44 main_~z~0))} is VALID [2022-04-28 10:24:25,332 INFO L290 TraceCheckUtils]: 52: Hoare triple {31126#(and (<= main_~z~0 44) (<= 44 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31127#(and (<= main_~z~0 45) (<= 45 main_~z~0))} is VALID [2022-04-28 10:24:25,332 INFO L290 TraceCheckUtils]: 53: Hoare triple {31127#(and (<= main_~z~0 45) (<= 45 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31292#(and (<= 46 main_~z~0) (<= main_~z~0 46))} is VALID [2022-04-28 10:24:25,333 INFO L290 TraceCheckUtils]: 54: Hoare triple {31292#(and (<= 46 main_~z~0) (<= main_~z~0 46))} assume !(~z~0 % 4294967296 < 268435455); {31078#false} is VALID [2022-04-28 10:24:25,333 INFO L272 TraceCheckUtils]: 55: Hoare triple {31078#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {31078#false} is VALID [2022-04-28 10:24:25,333 INFO L290 TraceCheckUtils]: 56: Hoare triple {31078#false} ~cond := #in~cond; {31078#false} is VALID [2022-04-28 10:24:25,333 INFO L290 TraceCheckUtils]: 57: Hoare triple {31078#false} assume 0 == ~cond; {31078#false} is VALID [2022-04-28 10:24:25,333 INFO L290 TraceCheckUtils]: 58: Hoare triple {31078#false} assume !false; {31078#false} is VALID [2022-04-28 10:24:25,333 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:24:25,333 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 10:24:28,497 INFO L290 TraceCheckUtils]: 58: Hoare triple {31078#false} assume !false; {31078#false} is VALID [2022-04-28 10:24:28,497 INFO L290 TraceCheckUtils]: 57: Hoare triple {31078#false} assume 0 == ~cond; {31078#false} is VALID [2022-04-28 10:24:28,497 INFO L290 TraceCheckUtils]: 56: Hoare triple {31078#false} ~cond := #in~cond; {31078#false} is VALID [2022-04-28 10:24:28,497 INFO L272 TraceCheckUtils]: 55: Hoare triple {31078#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {31078#false} is VALID [2022-04-28 10:24:28,497 INFO L290 TraceCheckUtils]: 54: Hoare triple {31320#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {31078#false} is VALID [2022-04-28 10:24:28,498 INFO L290 TraceCheckUtils]: 53: Hoare triple {31324#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31320#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 10:24:28,499 INFO L290 TraceCheckUtils]: 52: Hoare triple {31328#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31324#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 10:24:28,499 INFO L290 TraceCheckUtils]: 51: Hoare triple {31332#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31328#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 10:24:28,500 INFO L290 TraceCheckUtils]: 50: Hoare triple {31336#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31332#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 10:24:28,500 INFO L290 TraceCheckUtils]: 49: Hoare triple {31340#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31336#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 10:24:28,501 INFO L290 TraceCheckUtils]: 48: Hoare triple {31344#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31340#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:24:28,501 INFO L290 TraceCheckUtils]: 47: Hoare triple {31348#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31344#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} is VALID [2022-04-28 10:24:28,502 INFO L290 TraceCheckUtils]: 46: Hoare triple {31352#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31348#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:24:28,502 INFO L290 TraceCheckUtils]: 45: Hoare triple {31356#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31352#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} is VALID [2022-04-28 10:24:28,503 INFO L290 TraceCheckUtils]: 44: Hoare triple {31360#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31356#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} is VALID [2022-04-28 10:24:28,504 INFO L290 TraceCheckUtils]: 43: Hoare triple {31364#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31360#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} is VALID [2022-04-28 10:24:28,504 INFO L290 TraceCheckUtils]: 42: Hoare triple {31368#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31364#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} is VALID [2022-04-28 10:24:28,505 INFO L290 TraceCheckUtils]: 41: Hoare triple {31372#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31368#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} is VALID [2022-04-28 10:24:28,505 INFO L290 TraceCheckUtils]: 40: Hoare triple {31376#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31372#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} is VALID [2022-04-28 10:24:28,506 INFO L290 TraceCheckUtils]: 39: Hoare triple {31380#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31376#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} is VALID [2022-04-28 10:24:28,506 INFO L290 TraceCheckUtils]: 38: Hoare triple {31384#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31380#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} is VALID [2022-04-28 10:24:28,507 INFO L290 TraceCheckUtils]: 37: Hoare triple {31388#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31384#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} is VALID [2022-04-28 10:24:28,507 INFO L290 TraceCheckUtils]: 36: Hoare triple {31392#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31388#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} is VALID [2022-04-28 10:24:28,508 INFO L290 TraceCheckUtils]: 35: Hoare triple {31396#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31392#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} is VALID [2022-04-28 10:24:28,509 INFO L290 TraceCheckUtils]: 34: Hoare triple {31400#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31396#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:24:28,509 INFO L290 TraceCheckUtils]: 33: Hoare triple {31404#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31400#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} is VALID [2022-04-28 10:24:28,510 INFO L290 TraceCheckUtils]: 32: Hoare triple {31408#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31404#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} is VALID [2022-04-28 10:24:28,510 INFO L290 TraceCheckUtils]: 31: Hoare triple {31412#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31408#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} is VALID [2022-04-28 10:24:28,511 INFO L290 TraceCheckUtils]: 30: Hoare triple {31416#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31412#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:24:28,512 INFO L290 TraceCheckUtils]: 29: Hoare triple {31420#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31416#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} is VALID [2022-04-28 10:24:28,512 INFO L290 TraceCheckUtils]: 28: Hoare triple {31424#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31420#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} is VALID [2022-04-28 10:24:28,513 INFO L290 TraceCheckUtils]: 27: Hoare triple {31428#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31424#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} is VALID [2022-04-28 10:24:28,513 INFO L290 TraceCheckUtils]: 26: Hoare triple {31432#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31428#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} is VALID [2022-04-28 10:24:28,514 INFO L290 TraceCheckUtils]: 25: Hoare triple {31436#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31432#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} is VALID [2022-04-28 10:24:28,514 INFO L290 TraceCheckUtils]: 24: Hoare triple {31440#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31436#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:24:28,515 INFO L290 TraceCheckUtils]: 23: Hoare triple {31444#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31440#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:24:28,515 INFO L290 TraceCheckUtils]: 22: Hoare triple {31448#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31444#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} is VALID [2022-04-28 10:24:28,516 INFO L290 TraceCheckUtils]: 21: Hoare triple {31452#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31448#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:24:28,517 INFO L290 TraceCheckUtils]: 20: Hoare triple {31456#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31452#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} is VALID [2022-04-28 10:24:28,517 INFO L290 TraceCheckUtils]: 19: Hoare triple {31460#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31456#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} is VALID [2022-04-28 10:24:28,518 INFO L290 TraceCheckUtils]: 18: Hoare triple {31464#(< (mod (+ main_~z~0 36) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31460#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:24:28,518 INFO L290 TraceCheckUtils]: 17: Hoare triple {31468#(< (mod (+ main_~z~0 37) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31464#(< (mod (+ main_~z~0 36) 4294967296) 268435455)} is VALID [2022-04-28 10:24:28,519 INFO L290 TraceCheckUtils]: 16: Hoare triple {31472#(< (mod (+ main_~z~0 38) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31468#(< (mod (+ main_~z~0 37) 4294967296) 268435455)} is VALID [2022-04-28 10:24:28,519 INFO L290 TraceCheckUtils]: 15: Hoare triple {31476#(< (mod (+ main_~z~0 39) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31472#(< (mod (+ main_~z~0 38) 4294967296) 268435455)} is VALID [2022-04-28 10:24:28,520 INFO L290 TraceCheckUtils]: 14: Hoare triple {31480#(< (mod (+ 40 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31476#(< (mod (+ main_~z~0 39) 4294967296) 268435455)} is VALID [2022-04-28 10:24:28,520 INFO L290 TraceCheckUtils]: 13: Hoare triple {31484#(< (mod (+ 41 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31480#(< (mod (+ 40 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:24:28,521 INFO L290 TraceCheckUtils]: 12: Hoare triple {31488#(< (mod (+ 42 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31484#(< (mod (+ 41 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:24:28,522 INFO L290 TraceCheckUtils]: 11: Hoare triple {31492#(< (mod (+ main_~z~0 43) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31488#(< (mod (+ 42 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:24:28,522 INFO L290 TraceCheckUtils]: 10: Hoare triple {31496#(< (mod (+ 44 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31492#(< (mod (+ main_~z~0 43) 4294967296) 268435455)} is VALID [2022-04-28 10:24:28,523 INFO L290 TraceCheckUtils]: 9: Hoare triple {31500#(< (mod (+ main_~z~0 45) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31496#(< (mod (+ 44 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:24:28,523 INFO L290 TraceCheckUtils]: 8: Hoare triple {31504#(< (mod (+ main_~z~0 46) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {31500#(< (mod (+ main_~z~0 45) 4294967296) 268435455)} is VALID [2022-04-28 10:24:28,524 INFO L290 TraceCheckUtils]: 7: Hoare triple {31077#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {31504#(< (mod (+ main_~z~0 46) 4294967296) 268435455)} is VALID [2022-04-28 10:24:28,524 INFO L290 TraceCheckUtils]: 6: Hoare triple {31077#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {31077#true} is VALID [2022-04-28 10:24:28,524 INFO L290 TraceCheckUtils]: 5: Hoare triple {31077#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {31077#true} is VALID [2022-04-28 10:24:28,524 INFO L272 TraceCheckUtils]: 4: Hoare triple {31077#true} call #t~ret7 := main(); {31077#true} is VALID [2022-04-28 10:24:28,524 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {31077#true} {31077#true} #63#return; {31077#true} is VALID [2022-04-28 10:24:28,524 INFO L290 TraceCheckUtils]: 2: Hoare triple {31077#true} assume true; {31077#true} is VALID [2022-04-28 10:24:28,524 INFO L290 TraceCheckUtils]: 1: Hoare triple {31077#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {31077#true} is VALID [2022-04-28 10:24:28,524 INFO L272 TraceCheckUtils]: 0: Hoare triple {31077#true} call ULTIMATE.init(); {31077#true} is VALID [2022-04-28 10:24:28,524 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:24:28,525 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1640842826] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 10:24:28,525 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 10:24:28,525 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 49, 49] total 98 [2022-04-28 10:24:28,525 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 10:24:28,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [800522603] [2022-04-28 10:24:28,525 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [800522603] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 10:24:28,525 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 10:24:28,525 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [50] imperfect sequences [] total 50 [2022-04-28 10:24:28,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824721] [2022-04-28 10:24:28,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 10:24:28,525 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 50 states have (on average 1.1) internal successors, (55), 49 states have internal predecessors, (55), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 59 [2022-04-28 10:24:28,526 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 10:24:28,526 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 50 states, 50 states have (on average 1.1) internal successors, (55), 49 states have internal predecessors, (55), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:24:28,556 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 59 edges. 59 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:24:28,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2022-04-28 10:24:28,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 10:24:28,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2022-04-28 10:24:28,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2496, Invalid=7010, Unknown=0, NotChecked=0, Total=9506 [2022-04-28 10:24:28,557 INFO L87 Difference]: Start difference. First operand 68 states and 72 transitions. Second operand has 50 states, 50 states have (on average 1.1) internal successors, (55), 49 states have internal predecessors, (55), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:24:32,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:24:32,879 INFO L93 Difference]: Finished difference Result 131 states and 140 transitions. [2022-04-28 10:24:32,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-04-28 10:24:32,880 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 50 states have (on average 1.1) internal successors, (55), 49 states have internal predecessors, (55), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 59 [2022-04-28 10:24:32,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 10:24:32,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 50 states have (on average 1.1) internal successors, (55), 49 states have internal predecessors, (55), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:24:32,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 92 transitions. [2022-04-28 10:24:32,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 50 states have (on average 1.1) internal successors, (55), 49 states have internal predecessors, (55), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:24:32,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 92 transitions. [2022-04-28 10:24:32,882 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 50 states and 92 transitions. [2022-04-28 10:24:32,940 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 92 edges. 92 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:24:32,941 INFO L225 Difference]: With dead ends: 131 [2022-04-28 10:24:32,941 INFO L226 Difference]: Without dead ends: 70 [2022-04-28 10:24:32,943 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 73 SyntacticMatches, 1 SemanticMatches, 143 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1179 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=4985, Invalid=15895, Unknown=0, NotChecked=0, Total=20880 [2022-04-28 10:24:32,943 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 17 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 2483 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 2582 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 2483 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-04-28 10:24:32,943 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 98 Invalid, 2582 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 2483 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-04-28 10:24:32,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2022-04-28 10:24:33,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 69. [2022-04-28 10:24:33,007 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 10:24:33,007 INFO L82 GeneralOperation]: Start isEquivalent. First operand 70 states. Second operand has 69 states, 61 states have (on average 1.0655737704918034) internal successors, (65), 62 states have internal predecessors, (65), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:24:33,008 INFO L74 IsIncluded]: Start isIncluded. First operand 70 states. Second operand has 69 states, 61 states have (on average 1.0655737704918034) internal successors, (65), 62 states have internal predecessors, (65), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:24:33,008 INFO L87 Difference]: Start difference. First operand 70 states. Second operand has 69 states, 61 states have (on average 1.0655737704918034) internal successors, (65), 62 states have internal predecessors, (65), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:24:33,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:24:33,009 INFO L93 Difference]: Finished difference Result 70 states and 74 transitions. [2022-04-28 10:24:33,009 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 74 transitions. [2022-04-28 10:24:33,009 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:24:33,009 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:24:33,009 INFO L74 IsIncluded]: Start isIncluded. First operand has 69 states, 61 states have (on average 1.0655737704918034) internal successors, (65), 62 states have internal predecessors, (65), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 70 states. [2022-04-28 10:24:33,009 INFO L87 Difference]: Start difference. First operand has 69 states, 61 states have (on average 1.0655737704918034) internal successors, (65), 62 states have internal predecessors, (65), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 70 states. [2022-04-28 10:24:33,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:24:33,010 INFO L93 Difference]: Finished difference Result 70 states and 74 transitions. [2022-04-28 10:24:33,010 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 74 transitions. [2022-04-28 10:24:33,010 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:24:33,010 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:24:33,010 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 10:24:33,010 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 10:24:33,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 61 states have (on average 1.0655737704918034) internal successors, (65), 62 states have internal predecessors, (65), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:24:33,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 73 transitions. [2022-04-28 10:24:33,011 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 73 transitions. Word has length 59 [2022-04-28 10:24:33,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 10:24:33,011 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 73 transitions. [2022-04-28 10:24:33,011 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 1.1) internal successors, (55), 49 states have internal predecessors, (55), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:24:33,011 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 69 states and 73 transitions. [2022-04-28 10:24:33,075 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 73 edges. 73 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:24:33,075 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 73 transitions. [2022-04-28 10:24:33,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-04-28 10:24:33,076 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 10:24:33,076 INFO L195 NwaCegarLoop]: trace histogram [47, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 10:24:33,096 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Forceful destruction successful, exit code 0 [2022-04-28 10:24:33,279 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49,47 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:24:33,279 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 10:24:33,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 10:24:33,280 INFO L85 PathProgramCache]: Analyzing trace with hash 2133262690, now seen corresponding path program 93 times [2022-04-28 10:24:33,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 10:24:33,280 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [132217094] [2022-04-28 10:24:33,282 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-28 10:24:33,282 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-28 10:24:33,282 INFO L85 PathProgramCache]: Analyzing trace with hash 2133262690, now seen corresponding path program 94 times [2022-04-28 10:24:33,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 10:24:33,282 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052211609] [2022-04-28 10:24:33,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 10:24:33,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 10:24:33,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:24:34,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 10:24:34,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:24:34,371 INFO L290 TraceCheckUtils]: 0: Hoare triple {32219#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {32166#true} is VALID [2022-04-28 10:24:34,371 INFO L290 TraceCheckUtils]: 1: Hoare triple {32166#true} assume true; {32166#true} is VALID [2022-04-28 10:24:34,371 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {32166#true} {32166#true} #63#return; {32166#true} is VALID [2022-04-28 10:24:34,372 INFO L272 TraceCheckUtils]: 0: Hoare triple {32166#true} call ULTIMATE.init(); {32219#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 10:24:34,372 INFO L290 TraceCheckUtils]: 1: Hoare triple {32219#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {32166#true} is VALID [2022-04-28 10:24:34,372 INFO L290 TraceCheckUtils]: 2: Hoare triple {32166#true} assume true; {32166#true} is VALID [2022-04-28 10:24:34,372 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {32166#true} {32166#true} #63#return; {32166#true} is VALID [2022-04-28 10:24:34,372 INFO L272 TraceCheckUtils]: 4: Hoare triple {32166#true} call #t~ret7 := main(); {32166#true} is VALID [2022-04-28 10:24:34,372 INFO L290 TraceCheckUtils]: 5: Hoare triple {32166#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {32166#true} is VALID [2022-04-28 10:24:34,372 INFO L290 TraceCheckUtils]: 6: Hoare triple {32166#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {32166#true} is VALID [2022-04-28 10:24:34,373 INFO L290 TraceCheckUtils]: 7: Hoare triple {32166#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {32171#(= main_~z~0 0)} is VALID [2022-04-28 10:24:34,373 INFO L290 TraceCheckUtils]: 8: Hoare triple {32171#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32172#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:24:34,373 INFO L290 TraceCheckUtils]: 9: Hoare triple {32172#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32173#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:24:34,374 INFO L290 TraceCheckUtils]: 10: Hoare triple {32173#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32174#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:24:34,374 INFO L290 TraceCheckUtils]: 11: Hoare triple {32174#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32175#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:24:34,375 INFO L290 TraceCheckUtils]: 12: Hoare triple {32175#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32176#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:24:34,375 INFO L290 TraceCheckUtils]: 13: Hoare triple {32176#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32177#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:24:34,376 INFO L290 TraceCheckUtils]: 14: Hoare triple {32177#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32178#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:24:34,376 INFO L290 TraceCheckUtils]: 15: Hoare triple {32178#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32179#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:24:34,376 INFO L290 TraceCheckUtils]: 16: Hoare triple {32179#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32180#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:24:34,377 INFO L290 TraceCheckUtils]: 17: Hoare triple {32180#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32181#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:24:34,377 INFO L290 TraceCheckUtils]: 18: Hoare triple {32181#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32182#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:24:34,378 INFO L290 TraceCheckUtils]: 19: Hoare triple {32182#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32183#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:24:34,378 INFO L290 TraceCheckUtils]: 20: Hoare triple {32183#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32184#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:24:34,379 INFO L290 TraceCheckUtils]: 21: Hoare triple {32184#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32185#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:24:34,379 INFO L290 TraceCheckUtils]: 22: Hoare triple {32185#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32186#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:24:34,380 INFO L290 TraceCheckUtils]: 23: Hoare triple {32186#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32187#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:24:34,380 INFO L290 TraceCheckUtils]: 24: Hoare triple {32187#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32188#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:24:34,381 INFO L290 TraceCheckUtils]: 25: Hoare triple {32188#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32189#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:24:34,381 INFO L290 TraceCheckUtils]: 26: Hoare triple {32189#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32190#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:24:34,381 INFO L290 TraceCheckUtils]: 27: Hoare triple {32190#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32191#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 10:24:34,382 INFO L290 TraceCheckUtils]: 28: Hoare triple {32191#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32192#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 10:24:34,382 INFO L290 TraceCheckUtils]: 29: Hoare triple {32192#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32193#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 10:24:34,383 INFO L290 TraceCheckUtils]: 30: Hoare triple {32193#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32194#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 10:24:34,383 INFO L290 TraceCheckUtils]: 31: Hoare triple {32194#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32195#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 10:24:34,384 INFO L290 TraceCheckUtils]: 32: Hoare triple {32195#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32196#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 10:24:34,384 INFO L290 TraceCheckUtils]: 33: Hoare triple {32196#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32197#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 10:24:34,385 INFO L290 TraceCheckUtils]: 34: Hoare triple {32197#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32198#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 10:24:34,385 INFO L290 TraceCheckUtils]: 35: Hoare triple {32198#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32199#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 10:24:34,385 INFO L290 TraceCheckUtils]: 36: Hoare triple {32199#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32200#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 10:24:34,386 INFO L290 TraceCheckUtils]: 37: Hoare triple {32200#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32201#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 10:24:34,386 INFO L290 TraceCheckUtils]: 38: Hoare triple {32201#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32202#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 10:24:34,387 INFO L290 TraceCheckUtils]: 39: Hoare triple {32202#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32203#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 10:24:34,387 INFO L290 TraceCheckUtils]: 40: Hoare triple {32203#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32204#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 10:24:34,388 INFO L290 TraceCheckUtils]: 41: Hoare triple {32204#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32205#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 10:24:34,388 INFO L290 TraceCheckUtils]: 42: Hoare triple {32205#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32206#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 10:24:34,389 INFO L290 TraceCheckUtils]: 43: Hoare triple {32206#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32207#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 10:24:34,389 INFO L290 TraceCheckUtils]: 44: Hoare triple {32207#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32208#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 10:24:34,389 INFO L290 TraceCheckUtils]: 45: Hoare triple {32208#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32209#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 10:24:34,390 INFO L290 TraceCheckUtils]: 46: Hoare triple {32209#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32210#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 10:24:34,390 INFO L290 TraceCheckUtils]: 47: Hoare triple {32210#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32211#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 10:24:34,391 INFO L290 TraceCheckUtils]: 48: Hoare triple {32211#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32212#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 10:24:34,391 INFO L290 TraceCheckUtils]: 49: Hoare triple {32212#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32213#(and (<= 42 main_~z~0) (<= main_~z~0 42))} is VALID [2022-04-28 10:24:34,392 INFO L290 TraceCheckUtils]: 50: Hoare triple {32213#(and (<= 42 main_~z~0) (<= main_~z~0 42))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32214#(and (<= main_~z~0 43) (<= 43 main_~z~0))} is VALID [2022-04-28 10:24:34,392 INFO L290 TraceCheckUtils]: 51: Hoare triple {32214#(and (<= main_~z~0 43) (<= 43 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32215#(and (<= main_~z~0 44) (<= 44 main_~z~0))} is VALID [2022-04-28 10:24:34,393 INFO L290 TraceCheckUtils]: 52: Hoare triple {32215#(and (<= main_~z~0 44) (<= 44 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32216#(and (<= main_~z~0 45) (<= 45 main_~z~0))} is VALID [2022-04-28 10:24:34,393 INFO L290 TraceCheckUtils]: 53: Hoare triple {32216#(and (<= main_~z~0 45) (<= 45 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32217#(and (<= 46 main_~z~0) (<= main_~z~0 46))} is VALID [2022-04-28 10:24:34,394 INFO L290 TraceCheckUtils]: 54: Hoare triple {32217#(and (<= 46 main_~z~0) (<= main_~z~0 46))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32218#(and (<= main_~z~0 47) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} is VALID [2022-04-28 10:24:34,394 INFO L290 TraceCheckUtils]: 55: Hoare triple {32218#(and (<= main_~z~0 47) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} assume !(~z~0 % 4294967296 < 268435455); {32167#false} is VALID [2022-04-28 10:24:34,394 INFO L272 TraceCheckUtils]: 56: Hoare triple {32167#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {32167#false} is VALID [2022-04-28 10:24:34,394 INFO L290 TraceCheckUtils]: 57: Hoare triple {32167#false} ~cond := #in~cond; {32167#false} is VALID [2022-04-28 10:24:34,394 INFO L290 TraceCheckUtils]: 58: Hoare triple {32167#false} assume 0 == ~cond; {32167#false} is VALID [2022-04-28 10:24:34,394 INFO L290 TraceCheckUtils]: 59: Hoare triple {32167#false} assume !false; {32167#false} is VALID [2022-04-28 10:24:34,395 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:24:34,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 10:24:34,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052211609] [2022-04-28 10:24:34,395 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052211609] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 10:24:34,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1525105474] [2022-04-28 10:24:34,395 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-28 10:24:34,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:24:34,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 10:24:34,396 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 10:24:34,396 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Waiting until timeout for monitored process [2022-04-28 10:24:34,518 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-28 10:24:34,518 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 10:24:34,520 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 97 conjunts are in the unsatisfiable core [2022-04-28 10:24:34,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:24:34,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 10:24:35,054 INFO L272 TraceCheckUtils]: 0: Hoare triple {32166#true} call ULTIMATE.init(); {32166#true} is VALID [2022-04-28 10:24:35,054 INFO L290 TraceCheckUtils]: 1: Hoare triple {32166#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {32166#true} is VALID [2022-04-28 10:24:35,054 INFO L290 TraceCheckUtils]: 2: Hoare triple {32166#true} assume true; {32166#true} is VALID [2022-04-28 10:24:35,055 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {32166#true} {32166#true} #63#return; {32166#true} is VALID [2022-04-28 10:24:35,055 INFO L272 TraceCheckUtils]: 4: Hoare triple {32166#true} call #t~ret7 := main(); {32166#true} is VALID [2022-04-28 10:24:35,055 INFO L290 TraceCheckUtils]: 5: Hoare triple {32166#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {32166#true} is VALID [2022-04-28 10:24:35,055 INFO L290 TraceCheckUtils]: 6: Hoare triple {32166#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {32166#true} is VALID [2022-04-28 10:24:35,055 INFO L290 TraceCheckUtils]: 7: Hoare triple {32166#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {32171#(= main_~z~0 0)} is VALID [2022-04-28 10:24:35,055 INFO L290 TraceCheckUtils]: 8: Hoare triple {32171#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32172#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:24:35,056 INFO L290 TraceCheckUtils]: 9: Hoare triple {32172#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32173#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:24:35,056 INFO L290 TraceCheckUtils]: 10: Hoare triple {32173#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32174#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:24:35,057 INFO L290 TraceCheckUtils]: 11: Hoare triple {32174#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32175#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:24:35,057 INFO L290 TraceCheckUtils]: 12: Hoare triple {32175#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32176#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:24:35,069 INFO L290 TraceCheckUtils]: 13: Hoare triple {32176#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32177#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:24:35,069 INFO L290 TraceCheckUtils]: 14: Hoare triple {32177#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32178#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:24:35,070 INFO L290 TraceCheckUtils]: 15: Hoare triple {32178#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32179#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:24:35,070 INFO L290 TraceCheckUtils]: 16: Hoare triple {32179#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32180#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:24:35,071 INFO L290 TraceCheckUtils]: 17: Hoare triple {32180#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32181#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:24:35,071 INFO L290 TraceCheckUtils]: 18: Hoare triple {32181#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32182#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:24:35,072 INFO L290 TraceCheckUtils]: 19: Hoare triple {32182#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32183#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:24:35,072 INFO L290 TraceCheckUtils]: 20: Hoare triple {32183#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32184#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:24:35,073 INFO L290 TraceCheckUtils]: 21: Hoare triple {32184#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32185#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:24:35,073 INFO L290 TraceCheckUtils]: 22: Hoare triple {32185#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32186#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:24:35,073 INFO L290 TraceCheckUtils]: 23: Hoare triple {32186#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32187#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:24:35,074 INFO L290 TraceCheckUtils]: 24: Hoare triple {32187#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32188#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:24:35,085 INFO L290 TraceCheckUtils]: 25: Hoare triple {32188#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32189#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:24:35,085 INFO L290 TraceCheckUtils]: 26: Hoare triple {32189#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32190#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:24:35,086 INFO L290 TraceCheckUtils]: 27: Hoare triple {32190#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32191#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 10:24:35,086 INFO L290 TraceCheckUtils]: 28: Hoare triple {32191#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32192#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 10:24:35,087 INFO L290 TraceCheckUtils]: 29: Hoare triple {32192#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32193#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 10:24:35,087 INFO L290 TraceCheckUtils]: 30: Hoare triple {32193#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32194#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 10:24:35,088 INFO L290 TraceCheckUtils]: 31: Hoare triple {32194#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32195#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 10:24:35,088 INFO L290 TraceCheckUtils]: 32: Hoare triple {32195#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32196#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 10:24:35,089 INFO L290 TraceCheckUtils]: 33: Hoare triple {32196#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32197#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 10:24:35,089 INFO L290 TraceCheckUtils]: 34: Hoare triple {32197#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32198#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 10:24:35,090 INFO L290 TraceCheckUtils]: 35: Hoare triple {32198#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32199#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 10:24:35,090 INFO L290 TraceCheckUtils]: 36: Hoare triple {32199#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32200#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 10:24:35,090 INFO L290 TraceCheckUtils]: 37: Hoare triple {32200#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32201#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 10:24:35,091 INFO L290 TraceCheckUtils]: 38: Hoare triple {32201#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32202#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 10:24:35,091 INFO L290 TraceCheckUtils]: 39: Hoare triple {32202#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32203#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 10:24:35,092 INFO L290 TraceCheckUtils]: 40: Hoare triple {32203#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32204#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 10:24:35,095 INFO L290 TraceCheckUtils]: 41: Hoare triple {32204#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32205#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 10:24:35,096 INFO L290 TraceCheckUtils]: 42: Hoare triple {32205#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32206#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 10:24:35,096 INFO L290 TraceCheckUtils]: 43: Hoare triple {32206#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32207#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 10:24:35,097 INFO L290 TraceCheckUtils]: 44: Hoare triple {32207#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32208#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 10:24:35,097 INFO L290 TraceCheckUtils]: 45: Hoare triple {32208#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32209#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 10:24:35,098 INFO L290 TraceCheckUtils]: 46: Hoare triple {32209#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32210#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 10:24:35,098 INFO L290 TraceCheckUtils]: 47: Hoare triple {32210#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32211#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 10:24:35,099 INFO L290 TraceCheckUtils]: 48: Hoare triple {32211#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32212#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 10:24:35,099 INFO L290 TraceCheckUtils]: 49: Hoare triple {32212#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32213#(and (<= 42 main_~z~0) (<= main_~z~0 42))} is VALID [2022-04-28 10:24:35,100 INFO L290 TraceCheckUtils]: 50: Hoare triple {32213#(and (<= 42 main_~z~0) (<= main_~z~0 42))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32214#(and (<= main_~z~0 43) (<= 43 main_~z~0))} is VALID [2022-04-28 10:24:35,100 INFO L290 TraceCheckUtils]: 51: Hoare triple {32214#(and (<= main_~z~0 43) (<= 43 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32215#(and (<= main_~z~0 44) (<= 44 main_~z~0))} is VALID [2022-04-28 10:24:35,100 INFO L290 TraceCheckUtils]: 52: Hoare triple {32215#(and (<= main_~z~0 44) (<= 44 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32216#(and (<= main_~z~0 45) (<= 45 main_~z~0))} is VALID [2022-04-28 10:24:35,101 INFO L290 TraceCheckUtils]: 53: Hoare triple {32216#(and (<= main_~z~0 45) (<= 45 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32217#(and (<= 46 main_~z~0) (<= main_~z~0 46))} is VALID [2022-04-28 10:24:35,101 INFO L290 TraceCheckUtils]: 54: Hoare triple {32217#(and (<= 46 main_~z~0) (<= main_~z~0 46))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32385#(and (<= main_~z~0 47) (<= 47 main_~z~0))} is VALID [2022-04-28 10:24:35,102 INFO L290 TraceCheckUtils]: 55: Hoare triple {32385#(and (<= main_~z~0 47) (<= 47 main_~z~0))} assume !(~z~0 % 4294967296 < 268435455); {32167#false} is VALID [2022-04-28 10:24:35,102 INFO L272 TraceCheckUtils]: 56: Hoare triple {32167#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {32167#false} is VALID [2022-04-28 10:24:35,102 INFO L290 TraceCheckUtils]: 57: Hoare triple {32167#false} ~cond := #in~cond; {32167#false} is VALID [2022-04-28 10:24:35,102 INFO L290 TraceCheckUtils]: 58: Hoare triple {32167#false} assume 0 == ~cond; {32167#false} is VALID [2022-04-28 10:24:35,102 INFO L290 TraceCheckUtils]: 59: Hoare triple {32167#false} assume !false; {32167#false} is VALID [2022-04-28 10:24:35,102 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:24:35,103 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 10:24:38,341 INFO L290 TraceCheckUtils]: 59: Hoare triple {32167#false} assume !false; {32167#false} is VALID [2022-04-28 10:24:38,341 INFO L290 TraceCheckUtils]: 58: Hoare triple {32167#false} assume 0 == ~cond; {32167#false} is VALID [2022-04-28 10:24:38,341 INFO L290 TraceCheckUtils]: 57: Hoare triple {32167#false} ~cond := #in~cond; {32167#false} is VALID [2022-04-28 10:24:38,341 INFO L272 TraceCheckUtils]: 56: Hoare triple {32167#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {32167#false} is VALID [2022-04-28 10:24:38,342 INFO L290 TraceCheckUtils]: 55: Hoare triple {32413#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {32167#false} is VALID [2022-04-28 10:24:38,342 INFO L290 TraceCheckUtils]: 54: Hoare triple {32417#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32413#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 10:24:38,343 INFO L290 TraceCheckUtils]: 53: Hoare triple {32421#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32417#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 10:24:38,352 INFO L290 TraceCheckUtils]: 52: Hoare triple {32425#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32421#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 10:24:38,352 INFO L290 TraceCheckUtils]: 51: Hoare triple {32429#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32425#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 10:24:38,353 INFO L290 TraceCheckUtils]: 50: Hoare triple {32433#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32429#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 10:24:38,354 INFO L290 TraceCheckUtils]: 49: Hoare triple {32437#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32433#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:24:38,354 INFO L290 TraceCheckUtils]: 48: Hoare triple {32441#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32437#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} is VALID [2022-04-28 10:24:38,355 INFO L290 TraceCheckUtils]: 47: Hoare triple {32445#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32441#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:24:38,355 INFO L290 TraceCheckUtils]: 46: Hoare triple {32449#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32445#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} is VALID [2022-04-28 10:24:38,357 INFO L290 TraceCheckUtils]: 45: Hoare triple {32453#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32449#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} is VALID [2022-04-28 10:24:38,358 INFO L290 TraceCheckUtils]: 44: Hoare triple {32457#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32453#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} is VALID [2022-04-28 10:24:38,359 INFO L290 TraceCheckUtils]: 43: Hoare triple {32461#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32457#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} is VALID [2022-04-28 10:24:38,359 INFO L290 TraceCheckUtils]: 42: Hoare triple {32465#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32461#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} is VALID [2022-04-28 10:24:38,360 INFO L290 TraceCheckUtils]: 41: Hoare triple {32469#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32465#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} is VALID [2022-04-28 10:24:38,360 INFO L290 TraceCheckUtils]: 40: Hoare triple {32473#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32469#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} is VALID [2022-04-28 10:24:38,361 INFO L290 TraceCheckUtils]: 39: Hoare triple {32477#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32473#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} is VALID [2022-04-28 10:24:38,362 INFO L290 TraceCheckUtils]: 38: Hoare triple {32481#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32477#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} is VALID [2022-04-28 10:24:38,362 INFO L290 TraceCheckUtils]: 37: Hoare triple {32485#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32481#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} is VALID [2022-04-28 10:24:38,363 INFO L290 TraceCheckUtils]: 36: Hoare triple {32489#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32485#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} is VALID [2022-04-28 10:24:38,363 INFO L290 TraceCheckUtils]: 35: Hoare triple {32493#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32489#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:24:38,364 INFO L290 TraceCheckUtils]: 34: Hoare triple {32497#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32493#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} is VALID [2022-04-28 10:24:38,365 INFO L290 TraceCheckUtils]: 33: Hoare triple {32501#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32497#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} is VALID [2022-04-28 10:24:38,365 INFO L290 TraceCheckUtils]: 32: Hoare triple {32505#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32501#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} is VALID [2022-04-28 10:24:38,366 INFO L290 TraceCheckUtils]: 31: Hoare triple {32509#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32505#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:24:38,366 INFO L290 TraceCheckUtils]: 30: Hoare triple {32513#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32509#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} is VALID [2022-04-28 10:24:38,367 INFO L290 TraceCheckUtils]: 29: Hoare triple {32517#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32513#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} is VALID [2022-04-28 10:24:38,368 INFO L290 TraceCheckUtils]: 28: Hoare triple {32521#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32517#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} is VALID [2022-04-28 10:24:38,368 INFO L290 TraceCheckUtils]: 27: Hoare triple {32525#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32521#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} is VALID [2022-04-28 10:24:38,369 INFO L290 TraceCheckUtils]: 26: Hoare triple {32529#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32525#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} is VALID [2022-04-28 10:24:38,369 INFO L290 TraceCheckUtils]: 25: Hoare triple {32533#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32529#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:24:38,370 INFO L290 TraceCheckUtils]: 24: Hoare triple {32537#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32533#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:24:38,370 INFO L290 TraceCheckUtils]: 23: Hoare triple {32541#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32537#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} is VALID [2022-04-28 10:24:38,371 INFO L290 TraceCheckUtils]: 22: Hoare triple {32545#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32541#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:24:38,372 INFO L290 TraceCheckUtils]: 21: Hoare triple {32549#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32545#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} is VALID [2022-04-28 10:24:38,372 INFO L290 TraceCheckUtils]: 20: Hoare triple {32553#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32549#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} is VALID [2022-04-28 10:24:38,373 INFO L290 TraceCheckUtils]: 19: Hoare triple {32557#(< (mod (+ main_~z~0 36) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32553#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:24:38,373 INFO L290 TraceCheckUtils]: 18: Hoare triple {32561#(< (mod (+ main_~z~0 37) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32557#(< (mod (+ main_~z~0 36) 4294967296) 268435455)} is VALID [2022-04-28 10:24:38,374 INFO L290 TraceCheckUtils]: 17: Hoare triple {32565#(< (mod (+ main_~z~0 38) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32561#(< (mod (+ main_~z~0 37) 4294967296) 268435455)} is VALID [2022-04-28 10:24:38,375 INFO L290 TraceCheckUtils]: 16: Hoare triple {32569#(< (mod (+ main_~z~0 39) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32565#(< (mod (+ main_~z~0 38) 4294967296) 268435455)} is VALID [2022-04-28 10:24:38,375 INFO L290 TraceCheckUtils]: 15: Hoare triple {32573#(< (mod (+ 40 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32569#(< (mod (+ main_~z~0 39) 4294967296) 268435455)} is VALID [2022-04-28 10:24:38,376 INFO L290 TraceCheckUtils]: 14: Hoare triple {32577#(< (mod (+ 41 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32573#(< (mod (+ 40 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:24:38,376 INFO L290 TraceCheckUtils]: 13: Hoare triple {32581#(< (mod (+ 42 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32577#(< (mod (+ 41 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:24:38,377 INFO L290 TraceCheckUtils]: 12: Hoare triple {32585#(< (mod (+ main_~z~0 43) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32581#(< (mod (+ 42 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:24:38,378 INFO L290 TraceCheckUtils]: 11: Hoare triple {32589#(< (mod (+ 44 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32585#(< (mod (+ main_~z~0 43) 4294967296) 268435455)} is VALID [2022-04-28 10:24:38,378 INFO L290 TraceCheckUtils]: 10: Hoare triple {32593#(< (mod (+ main_~z~0 45) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32589#(< (mod (+ 44 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:24:38,379 INFO L290 TraceCheckUtils]: 9: Hoare triple {32597#(< (mod (+ main_~z~0 46) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32593#(< (mod (+ main_~z~0 45) 4294967296) 268435455)} is VALID [2022-04-28 10:24:38,379 INFO L290 TraceCheckUtils]: 8: Hoare triple {32601#(< (mod (+ main_~z~0 47) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {32597#(< (mod (+ main_~z~0 46) 4294967296) 268435455)} is VALID [2022-04-28 10:24:38,380 INFO L290 TraceCheckUtils]: 7: Hoare triple {32166#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {32601#(< (mod (+ main_~z~0 47) 4294967296) 268435455)} is VALID [2022-04-28 10:24:38,380 INFO L290 TraceCheckUtils]: 6: Hoare triple {32166#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {32166#true} is VALID [2022-04-28 10:24:38,380 INFO L290 TraceCheckUtils]: 5: Hoare triple {32166#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {32166#true} is VALID [2022-04-28 10:24:38,380 INFO L272 TraceCheckUtils]: 4: Hoare triple {32166#true} call #t~ret7 := main(); {32166#true} is VALID [2022-04-28 10:24:38,380 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {32166#true} {32166#true} #63#return; {32166#true} is VALID [2022-04-28 10:24:38,380 INFO L290 TraceCheckUtils]: 2: Hoare triple {32166#true} assume true; {32166#true} is VALID [2022-04-28 10:24:38,380 INFO L290 TraceCheckUtils]: 1: Hoare triple {32166#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {32166#true} is VALID [2022-04-28 10:24:38,380 INFO L272 TraceCheckUtils]: 0: Hoare triple {32166#true} call ULTIMATE.init(); {32166#true} is VALID [2022-04-28 10:24:38,381 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:24:38,381 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1525105474] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 10:24:38,381 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 10:24:38,381 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 50, 50] total 100 [2022-04-28 10:24:38,381 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 10:24:38,381 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [132217094] [2022-04-28 10:24:38,381 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [132217094] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 10:24:38,381 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 10:24:38,381 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [51] imperfect sequences [] total 51 [2022-04-28 10:24:38,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483259206] [2022-04-28 10:24:38,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 10:24:38,382 INFO L78 Accepts]: Start accepts. Automaton has has 51 states, 51 states have (on average 1.0980392156862746) internal successors, (56), 50 states have internal predecessors, (56), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 60 [2022-04-28 10:24:38,382 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 10:24:38,382 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 51 states, 51 states have (on average 1.0980392156862746) internal successors, (56), 50 states have internal predecessors, (56), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:24:38,415 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 60 edges. 60 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:24:38,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2022-04-28 10:24:38,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 10:24:38,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2022-04-28 10:24:38,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2597, Invalid=7303, Unknown=0, NotChecked=0, Total=9900 [2022-04-28 10:24:38,416 INFO L87 Difference]: Start difference. First operand 69 states and 73 transitions. Second operand has 51 states, 51 states have (on average 1.0980392156862746) internal successors, (56), 50 states have internal predecessors, (56), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:24:43,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:24:43,325 INFO L93 Difference]: Finished difference Result 133 states and 142 transitions. [2022-04-28 10:24:43,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-04-28 10:24:43,325 INFO L78 Accepts]: Start accepts. Automaton has has 51 states, 51 states have (on average 1.0980392156862746) internal successors, (56), 50 states have internal predecessors, (56), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 60 [2022-04-28 10:24:43,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 10:24:43,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 51 states have (on average 1.0980392156862746) internal successors, (56), 50 states have internal predecessors, (56), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:24:43,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 93 transitions. [2022-04-28 10:24:43,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 51 states have (on average 1.0980392156862746) internal successors, (56), 50 states have internal predecessors, (56), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:24:43,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 93 transitions. [2022-04-28 10:24:43,327 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 51 states and 93 transitions. [2022-04-28 10:24:43,385 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 93 edges. 93 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:24:43,385 INFO L225 Difference]: With dead ends: 133 [2022-04-28 10:24:43,385 INFO L226 Difference]: Without dead ends: 71 [2022-04-28 10:24:43,386 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 74 SyntacticMatches, 1 SemanticMatches, 146 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1228 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=5187, Invalid=16569, Unknown=0, NotChecked=0, Total=21756 [2022-04-28 10:24:43,387 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 17 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 2924 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 3025 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 2924 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-04-28 10:24:43,387 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 213 Invalid, 3025 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 2924 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-04-28 10:24:43,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2022-04-28 10:24:43,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 70. [2022-04-28 10:24:43,514 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 10:24:43,514 INFO L82 GeneralOperation]: Start isEquivalent. First operand 71 states. Second operand has 70 states, 62 states have (on average 1.064516129032258) internal successors, (66), 63 states have internal predecessors, (66), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:24:43,514 INFO L74 IsIncluded]: Start isIncluded. First operand 71 states. Second operand has 70 states, 62 states have (on average 1.064516129032258) internal successors, (66), 63 states have internal predecessors, (66), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:24:43,514 INFO L87 Difference]: Start difference. First operand 71 states. Second operand has 70 states, 62 states have (on average 1.064516129032258) internal successors, (66), 63 states have internal predecessors, (66), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:24:43,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:24:43,515 INFO L93 Difference]: Finished difference Result 71 states and 75 transitions. [2022-04-28 10:24:43,515 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 75 transitions. [2022-04-28 10:24:43,515 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:24:43,515 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:24:43,515 INFO L74 IsIncluded]: Start isIncluded. First operand has 70 states, 62 states have (on average 1.064516129032258) internal successors, (66), 63 states have internal predecessors, (66), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 71 states. [2022-04-28 10:24:43,516 INFO L87 Difference]: Start difference. First operand has 70 states, 62 states have (on average 1.064516129032258) internal successors, (66), 63 states have internal predecessors, (66), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 71 states. [2022-04-28 10:24:43,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:24:43,516 INFO L93 Difference]: Finished difference Result 71 states and 75 transitions. [2022-04-28 10:24:43,516 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 75 transitions. [2022-04-28 10:24:43,516 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:24:43,516 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:24:43,516 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 10:24:43,517 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 10:24:43,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 62 states have (on average 1.064516129032258) internal successors, (66), 63 states have internal predecessors, (66), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:24:43,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 74 transitions. [2022-04-28 10:24:43,517 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 74 transitions. Word has length 60 [2022-04-28 10:24:43,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 10:24:43,517 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 74 transitions. [2022-04-28 10:24:43,518 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 51 states have (on average 1.0980392156862746) internal successors, (56), 50 states have internal predecessors, (56), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:24:43,518 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 70 states and 74 transitions. [2022-04-28 10:24:43,580 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 74 edges. 74 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:24:43,581 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 74 transitions. [2022-04-28 10:24:43,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-04-28 10:24:43,581 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 10:24:43,581 INFO L195 NwaCegarLoop]: trace histogram [48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 10:24:43,597 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Ended with exit code 0 [2022-04-28 10:24:43,781 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,48 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:24:43,781 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 10:24:43,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 10:24:43,782 INFO L85 PathProgramCache]: Analyzing trace with hash 1732936514, now seen corresponding path program 95 times [2022-04-28 10:24:43,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 10:24:43,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1166315436] [2022-04-28 10:24:43,784 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-28 10:24:43,784 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-28 10:24:43,784 INFO L85 PathProgramCache]: Analyzing trace with hash 1732936514, now seen corresponding path program 96 times [2022-04-28 10:24:43,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 10:24:43,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504037007] [2022-04-28 10:24:43,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 10:24:43,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 10:24:43,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:24:44,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 10:24:44,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:24:44,935 INFO L290 TraceCheckUtils]: 0: Hoare triple {33327#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {33273#true} is VALID [2022-04-28 10:24:44,935 INFO L290 TraceCheckUtils]: 1: Hoare triple {33273#true} assume true; {33273#true} is VALID [2022-04-28 10:24:44,935 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {33273#true} {33273#true} #63#return; {33273#true} is VALID [2022-04-28 10:24:44,936 INFO L272 TraceCheckUtils]: 0: Hoare triple {33273#true} call ULTIMATE.init(); {33327#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 10:24:44,936 INFO L290 TraceCheckUtils]: 1: Hoare triple {33327#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {33273#true} is VALID [2022-04-28 10:24:44,936 INFO L290 TraceCheckUtils]: 2: Hoare triple {33273#true} assume true; {33273#true} is VALID [2022-04-28 10:24:44,936 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {33273#true} {33273#true} #63#return; {33273#true} is VALID [2022-04-28 10:24:44,936 INFO L272 TraceCheckUtils]: 4: Hoare triple {33273#true} call #t~ret7 := main(); {33273#true} is VALID [2022-04-28 10:24:44,936 INFO L290 TraceCheckUtils]: 5: Hoare triple {33273#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {33273#true} is VALID [2022-04-28 10:24:44,936 INFO L290 TraceCheckUtils]: 6: Hoare triple {33273#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {33273#true} is VALID [2022-04-28 10:24:44,936 INFO L290 TraceCheckUtils]: 7: Hoare triple {33273#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {33278#(= main_~z~0 0)} is VALID [2022-04-28 10:24:44,937 INFO L290 TraceCheckUtils]: 8: Hoare triple {33278#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33279#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:24:44,937 INFO L290 TraceCheckUtils]: 9: Hoare triple {33279#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33280#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:24:44,938 INFO L290 TraceCheckUtils]: 10: Hoare triple {33280#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33281#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:24:44,938 INFO L290 TraceCheckUtils]: 11: Hoare triple {33281#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33282#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:24:44,939 INFO L290 TraceCheckUtils]: 12: Hoare triple {33282#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33283#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:24:44,939 INFO L290 TraceCheckUtils]: 13: Hoare triple {33283#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33284#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:24:44,940 INFO L290 TraceCheckUtils]: 14: Hoare triple {33284#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33285#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:24:44,941 INFO L290 TraceCheckUtils]: 15: Hoare triple {33285#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33286#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:24:44,941 INFO L290 TraceCheckUtils]: 16: Hoare triple {33286#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33287#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:24:44,942 INFO L290 TraceCheckUtils]: 17: Hoare triple {33287#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33288#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:24:44,942 INFO L290 TraceCheckUtils]: 18: Hoare triple {33288#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33289#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:24:44,943 INFO L290 TraceCheckUtils]: 19: Hoare triple {33289#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33290#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:24:44,943 INFO L290 TraceCheckUtils]: 20: Hoare triple {33290#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33291#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:24:44,944 INFO L290 TraceCheckUtils]: 21: Hoare triple {33291#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33292#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:24:44,944 INFO L290 TraceCheckUtils]: 22: Hoare triple {33292#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33293#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:24:44,945 INFO L290 TraceCheckUtils]: 23: Hoare triple {33293#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33294#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:24:44,945 INFO L290 TraceCheckUtils]: 24: Hoare triple {33294#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33295#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:24:44,946 INFO L290 TraceCheckUtils]: 25: Hoare triple {33295#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33296#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:24:44,946 INFO L290 TraceCheckUtils]: 26: Hoare triple {33296#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33297#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:24:44,947 INFO L290 TraceCheckUtils]: 27: Hoare triple {33297#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33298#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 10:24:44,947 INFO L290 TraceCheckUtils]: 28: Hoare triple {33298#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33299#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 10:24:44,948 INFO L290 TraceCheckUtils]: 29: Hoare triple {33299#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33300#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 10:24:44,948 INFO L290 TraceCheckUtils]: 30: Hoare triple {33300#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33301#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 10:24:44,948 INFO L290 TraceCheckUtils]: 31: Hoare triple {33301#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33302#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 10:24:44,949 INFO L290 TraceCheckUtils]: 32: Hoare triple {33302#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33303#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 10:24:44,949 INFO L290 TraceCheckUtils]: 33: Hoare triple {33303#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33304#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 10:24:44,950 INFO L290 TraceCheckUtils]: 34: Hoare triple {33304#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33305#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 10:24:44,950 INFO L290 TraceCheckUtils]: 35: Hoare triple {33305#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33306#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 10:24:44,951 INFO L290 TraceCheckUtils]: 36: Hoare triple {33306#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33307#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 10:24:44,951 INFO L290 TraceCheckUtils]: 37: Hoare triple {33307#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33308#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 10:24:44,952 INFO L290 TraceCheckUtils]: 38: Hoare triple {33308#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33309#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 10:24:44,952 INFO L290 TraceCheckUtils]: 39: Hoare triple {33309#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33310#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 10:24:44,955 INFO L290 TraceCheckUtils]: 40: Hoare triple {33310#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33311#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 10:24:44,956 INFO L290 TraceCheckUtils]: 41: Hoare triple {33311#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33312#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 10:24:44,956 INFO L290 TraceCheckUtils]: 42: Hoare triple {33312#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33313#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 10:24:44,957 INFO L290 TraceCheckUtils]: 43: Hoare triple {33313#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33314#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 10:24:44,957 INFO L290 TraceCheckUtils]: 44: Hoare triple {33314#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33315#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 10:24:44,958 INFO L290 TraceCheckUtils]: 45: Hoare triple {33315#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33316#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 10:24:44,958 INFO L290 TraceCheckUtils]: 46: Hoare triple {33316#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33317#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 10:24:44,959 INFO L290 TraceCheckUtils]: 47: Hoare triple {33317#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33318#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 10:24:44,959 INFO L290 TraceCheckUtils]: 48: Hoare triple {33318#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33319#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 10:24:44,960 INFO L290 TraceCheckUtils]: 49: Hoare triple {33319#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33320#(and (<= 42 main_~z~0) (<= main_~z~0 42))} is VALID [2022-04-28 10:24:44,960 INFO L290 TraceCheckUtils]: 50: Hoare triple {33320#(and (<= 42 main_~z~0) (<= main_~z~0 42))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33321#(and (<= main_~z~0 43) (<= 43 main_~z~0))} is VALID [2022-04-28 10:24:44,961 INFO L290 TraceCheckUtils]: 51: Hoare triple {33321#(and (<= main_~z~0 43) (<= 43 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33322#(and (<= main_~z~0 44) (<= 44 main_~z~0))} is VALID [2022-04-28 10:24:44,961 INFO L290 TraceCheckUtils]: 52: Hoare triple {33322#(and (<= main_~z~0 44) (<= 44 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33323#(and (<= main_~z~0 45) (<= 45 main_~z~0))} is VALID [2022-04-28 10:24:44,962 INFO L290 TraceCheckUtils]: 53: Hoare triple {33323#(and (<= main_~z~0 45) (<= 45 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33324#(and (<= 46 main_~z~0) (<= main_~z~0 46))} is VALID [2022-04-28 10:24:44,962 INFO L290 TraceCheckUtils]: 54: Hoare triple {33324#(and (<= 46 main_~z~0) (<= main_~z~0 46))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33325#(and (<= main_~z~0 47) (<= 47 main_~z~0))} is VALID [2022-04-28 10:24:44,963 INFO L290 TraceCheckUtils]: 55: Hoare triple {33325#(and (<= main_~z~0 47) (<= 47 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33326#(and (<= main_~z~0 48) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} is VALID [2022-04-28 10:24:44,963 INFO L290 TraceCheckUtils]: 56: Hoare triple {33326#(and (<= main_~z~0 48) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} assume !(~z~0 % 4294967296 < 268435455); {33274#false} is VALID [2022-04-28 10:24:44,963 INFO L272 TraceCheckUtils]: 57: Hoare triple {33274#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {33274#false} is VALID [2022-04-28 10:24:44,963 INFO L290 TraceCheckUtils]: 58: Hoare triple {33274#false} ~cond := #in~cond; {33274#false} is VALID [2022-04-28 10:24:44,963 INFO L290 TraceCheckUtils]: 59: Hoare triple {33274#false} assume 0 == ~cond; {33274#false} is VALID [2022-04-28 10:24:44,964 INFO L290 TraceCheckUtils]: 60: Hoare triple {33274#false} assume !false; {33274#false} is VALID [2022-04-28 10:24:44,964 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:24:44,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 10:24:44,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504037007] [2022-04-28 10:24:44,964 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504037007] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 10:24:44,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [326939428] [2022-04-28 10:24:44,964 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-04-28 10:24:44,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:24:44,965 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 10:24:44,965 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 10:24:44,966 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Waiting until timeout for monitored process [2022-04-28 10:24:57,098 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 25 check-sat command(s) [2022-04-28 10:24:57,098 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 10:24:57,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 99 conjunts are in the unsatisfiable core [2022-04-28 10:24:57,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:24:57,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 10:24:57,678 INFO L272 TraceCheckUtils]: 0: Hoare triple {33273#true} call ULTIMATE.init(); {33273#true} is VALID [2022-04-28 10:24:57,678 INFO L290 TraceCheckUtils]: 1: Hoare triple {33273#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {33273#true} is VALID [2022-04-28 10:24:57,678 INFO L290 TraceCheckUtils]: 2: Hoare triple {33273#true} assume true; {33273#true} is VALID [2022-04-28 10:24:57,678 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {33273#true} {33273#true} #63#return; {33273#true} is VALID [2022-04-28 10:24:57,679 INFO L272 TraceCheckUtils]: 4: Hoare triple {33273#true} call #t~ret7 := main(); {33273#true} is VALID [2022-04-28 10:24:57,679 INFO L290 TraceCheckUtils]: 5: Hoare triple {33273#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {33273#true} is VALID [2022-04-28 10:24:57,679 INFO L290 TraceCheckUtils]: 6: Hoare triple {33273#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {33273#true} is VALID [2022-04-28 10:24:57,679 INFO L290 TraceCheckUtils]: 7: Hoare triple {33273#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {33278#(= main_~z~0 0)} is VALID [2022-04-28 10:24:57,679 INFO L290 TraceCheckUtils]: 8: Hoare triple {33278#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33279#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:24:57,680 INFO L290 TraceCheckUtils]: 9: Hoare triple {33279#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33280#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:24:57,680 INFO L290 TraceCheckUtils]: 10: Hoare triple {33280#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33281#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:24:57,681 INFO L290 TraceCheckUtils]: 11: Hoare triple {33281#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33282#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:24:57,681 INFO L290 TraceCheckUtils]: 12: Hoare triple {33282#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33283#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:24:57,682 INFO L290 TraceCheckUtils]: 13: Hoare triple {33283#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33284#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:24:57,682 INFO L290 TraceCheckUtils]: 14: Hoare triple {33284#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33285#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:24:57,682 INFO L290 TraceCheckUtils]: 15: Hoare triple {33285#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33286#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:24:57,683 INFO L290 TraceCheckUtils]: 16: Hoare triple {33286#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33287#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:24:57,683 INFO L290 TraceCheckUtils]: 17: Hoare triple {33287#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33288#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:24:57,684 INFO L290 TraceCheckUtils]: 18: Hoare triple {33288#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33289#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:24:57,684 INFO L290 TraceCheckUtils]: 19: Hoare triple {33289#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33290#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:24:57,685 INFO L290 TraceCheckUtils]: 20: Hoare triple {33290#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33291#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:24:57,685 INFO L290 TraceCheckUtils]: 21: Hoare triple {33291#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33292#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:24:57,686 INFO L290 TraceCheckUtils]: 22: Hoare triple {33292#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33293#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:24:57,686 INFO L290 TraceCheckUtils]: 23: Hoare triple {33293#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33294#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:24:57,686 INFO L290 TraceCheckUtils]: 24: Hoare triple {33294#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33295#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:24:57,687 INFO L290 TraceCheckUtils]: 25: Hoare triple {33295#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33296#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:24:57,687 INFO L290 TraceCheckUtils]: 26: Hoare triple {33296#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33297#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:24:57,688 INFO L290 TraceCheckUtils]: 27: Hoare triple {33297#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33298#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 10:24:57,688 INFO L290 TraceCheckUtils]: 28: Hoare triple {33298#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33299#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 10:24:57,689 INFO L290 TraceCheckUtils]: 29: Hoare triple {33299#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33300#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 10:24:57,689 INFO L290 TraceCheckUtils]: 30: Hoare triple {33300#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33301#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 10:24:57,690 INFO L290 TraceCheckUtils]: 31: Hoare triple {33301#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33302#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 10:24:57,690 INFO L290 TraceCheckUtils]: 32: Hoare triple {33302#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33303#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 10:24:57,691 INFO L290 TraceCheckUtils]: 33: Hoare triple {33303#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33304#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 10:24:57,691 INFO L290 TraceCheckUtils]: 34: Hoare triple {33304#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33305#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 10:24:57,692 INFO L290 TraceCheckUtils]: 35: Hoare triple {33305#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33306#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 10:24:57,692 INFO L290 TraceCheckUtils]: 36: Hoare triple {33306#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33307#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 10:24:57,692 INFO L290 TraceCheckUtils]: 37: Hoare triple {33307#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33308#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 10:24:57,693 INFO L290 TraceCheckUtils]: 38: Hoare triple {33308#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33309#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 10:24:57,693 INFO L290 TraceCheckUtils]: 39: Hoare triple {33309#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33310#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 10:24:57,694 INFO L290 TraceCheckUtils]: 40: Hoare triple {33310#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33311#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 10:24:57,694 INFO L290 TraceCheckUtils]: 41: Hoare triple {33311#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33312#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 10:24:57,695 INFO L290 TraceCheckUtils]: 42: Hoare triple {33312#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33313#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 10:24:57,695 INFO L290 TraceCheckUtils]: 43: Hoare triple {33313#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33314#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 10:24:57,696 INFO L290 TraceCheckUtils]: 44: Hoare triple {33314#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33315#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 10:24:57,696 INFO L290 TraceCheckUtils]: 45: Hoare triple {33315#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33316#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 10:24:57,697 INFO L290 TraceCheckUtils]: 46: Hoare triple {33316#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33317#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 10:24:57,697 INFO L290 TraceCheckUtils]: 47: Hoare triple {33317#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33318#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 10:24:57,697 INFO L290 TraceCheckUtils]: 48: Hoare triple {33318#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33319#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 10:24:57,698 INFO L290 TraceCheckUtils]: 49: Hoare triple {33319#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33320#(and (<= 42 main_~z~0) (<= main_~z~0 42))} is VALID [2022-04-28 10:24:57,698 INFO L290 TraceCheckUtils]: 50: Hoare triple {33320#(and (<= 42 main_~z~0) (<= main_~z~0 42))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33321#(and (<= main_~z~0 43) (<= 43 main_~z~0))} is VALID [2022-04-28 10:24:57,699 INFO L290 TraceCheckUtils]: 51: Hoare triple {33321#(and (<= main_~z~0 43) (<= 43 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33322#(and (<= main_~z~0 44) (<= 44 main_~z~0))} is VALID [2022-04-28 10:24:57,699 INFO L290 TraceCheckUtils]: 52: Hoare triple {33322#(and (<= main_~z~0 44) (<= 44 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33323#(and (<= main_~z~0 45) (<= 45 main_~z~0))} is VALID [2022-04-28 10:24:57,700 INFO L290 TraceCheckUtils]: 53: Hoare triple {33323#(and (<= main_~z~0 45) (<= 45 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33324#(and (<= 46 main_~z~0) (<= main_~z~0 46))} is VALID [2022-04-28 10:24:57,700 INFO L290 TraceCheckUtils]: 54: Hoare triple {33324#(and (<= 46 main_~z~0) (<= main_~z~0 46))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33325#(and (<= main_~z~0 47) (<= 47 main_~z~0))} is VALID [2022-04-28 10:24:57,701 INFO L290 TraceCheckUtils]: 55: Hoare triple {33325#(and (<= main_~z~0 47) (<= 47 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33496#(and (<= 48 main_~z~0) (<= main_~z~0 48))} is VALID [2022-04-28 10:24:57,701 INFO L290 TraceCheckUtils]: 56: Hoare triple {33496#(and (<= 48 main_~z~0) (<= main_~z~0 48))} assume !(~z~0 % 4294967296 < 268435455); {33274#false} is VALID [2022-04-28 10:24:57,701 INFO L272 TraceCheckUtils]: 57: Hoare triple {33274#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {33274#false} is VALID [2022-04-28 10:24:57,701 INFO L290 TraceCheckUtils]: 58: Hoare triple {33274#false} ~cond := #in~cond; {33274#false} is VALID [2022-04-28 10:24:57,701 INFO L290 TraceCheckUtils]: 59: Hoare triple {33274#false} assume 0 == ~cond; {33274#false} is VALID [2022-04-28 10:24:57,701 INFO L290 TraceCheckUtils]: 60: Hoare triple {33274#false} assume !false; {33274#false} is VALID [2022-04-28 10:24:57,702 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:24:57,702 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 10:25:01,090 INFO L290 TraceCheckUtils]: 60: Hoare triple {33274#false} assume !false; {33274#false} is VALID [2022-04-28 10:25:01,090 INFO L290 TraceCheckUtils]: 59: Hoare triple {33274#false} assume 0 == ~cond; {33274#false} is VALID [2022-04-28 10:25:01,090 INFO L290 TraceCheckUtils]: 58: Hoare triple {33274#false} ~cond := #in~cond; {33274#false} is VALID [2022-04-28 10:25:01,090 INFO L272 TraceCheckUtils]: 57: Hoare triple {33274#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {33274#false} is VALID [2022-04-28 10:25:01,090 INFO L290 TraceCheckUtils]: 56: Hoare triple {33524#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {33274#false} is VALID [2022-04-28 10:25:01,091 INFO L290 TraceCheckUtils]: 55: Hoare triple {33528#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33524#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 10:25:01,092 INFO L290 TraceCheckUtils]: 54: Hoare triple {33532#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33528#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 10:25:01,092 INFO L290 TraceCheckUtils]: 53: Hoare triple {33536#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33532#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 10:25:01,093 INFO L290 TraceCheckUtils]: 52: Hoare triple {33540#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33536#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 10:25:01,093 INFO L290 TraceCheckUtils]: 51: Hoare triple {33544#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33540#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 10:25:01,094 INFO L290 TraceCheckUtils]: 50: Hoare triple {33548#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33544#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:25:01,094 INFO L290 TraceCheckUtils]: 49: Hoare triple {33552#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33548#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} is VALID [2022-04-28 10:25:01,095 INFO L290 TraceCheckUtils]: 48: Hoare triple {33556#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33552#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:25:01,095 INFO L290 TraceCheckUtils]: 47: Hoare triple {33560#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33556#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} is VALID [2022-04-28 10:25:01,096 INFO L290 TraceCheckUtils]: 46: Hoare triple {33564#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33560#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} is VALID [2022-04-28 10:25:01,097 INFO L290 TraceCheckUtils]: 45: Hoare triple {33568#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33564#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} is VALID [2022-04-28 10:25:01,097 INFO L290 TraceCheckUtils]: 44: Hoare triple {33572#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33568#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} is VALID [2022-04-28 10:25:01,098 INFO L290 TraceCheckUtils]: 43: Hoare triple {33576#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33572#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} is VALID [2022-04-28 10:25:01,098 INFO L290 TraceCheckUtils]: 42: Hoare triple {33580#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33576#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} is VALID [2022-04-28 10:25:01,099 INFO L290 TraceCheckUtils]: 41: Hoare triple {33584#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33580#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} is VALID [2022-04-28 10:25:01,099 INFO L290 TraceCheckUtils]: 40: Hoare triple {33588#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33584#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} is VALID [2022-04-28 10:25:01,100 INFO L290 TraceCheckUtils]: 39: Hoare triple {33592#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33588#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} is VALID [2022-04-28 10:25:01,100 INFO L290 TraceCheckUtils]: 38: Hoare triple {33596#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33592#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} is VALID [2022-04-28 10:25:01,101 INFO L290 TraceCheckUtils]: 37: Hoare triple {33600#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33596#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} is VALID [2022-04-28 10:25:01,102 INFO L290 TraceCheckUtils]: 36: Hoare triple {33604#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33600#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:25:01,102 INFO L290 TraceCheckUtils]: 35: Hoare triple {33608#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33604#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} is VALID [2022-04-28 10:25:01,103 INFO L290 TraceCheckUtils]: 34: Hoare triple {33612#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33608#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} is VALID [2022-04-28 10:25:01,103 INFO L290 TraceCheckUtils]: 33: Hoare triple {33616#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33612#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} is VALID [2022-04-28 10:25:01,104 INFO L290 TraceCheckUtils]: 32: Hoare triple {33620#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33616#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:25:01,104 INFO L290 TraceCheckUtils]: 31: Hoare triple {33624#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33620#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} is VALID [2022-04-28 10:25:01,105 INFO L290 TraceCheckUtils]: 30: Hoare triple {33628#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33624#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} is VALID [2022-04-28 10:25:01,105 INFO L290 TraceCheckUtils]: 29: Hoare triple {33632#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33628#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} is VALID [2022-04-28 10:25:01,106 INFO L290 TraceCheckUtils]: 28: Hoare triple {33636#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33632#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} is VALID [2022-04-28 10:25:01,106 INFO L290 TraceCheckUtils]: 27: Hoare triple {33640#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33636#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} is VALID [2022-04-28 10:25:01,107 INFO L290 TraceCheckUtils]: 26: Hoare triple {33644#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33640#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:25:01,108 INFO L290 TraceCheckUtils]: 25: Hoare triple {33648#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33644#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:25:01,108 INFO L290 TraceCheckUtils]: 24: Hoare triple {33652#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33648#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} is VALID [2022-04-28 10:25:01,109 INFO L290 TraceCheckUtils]: 23: Hoare triple {33656#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33652#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:25:01,109 INFO L290 TraceCheckUtils]: 22: Hoare triple {33660#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33656#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} is VALID [2022-04-28 10:25:01,110 INFO L290 TraceCheckUtils]: 21: Hoare triple {33664#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33660#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} is VALID [2022-04-28 10:25:01,110 INFO L290 TraceCheckUtils]: 20: Hoare triple {33668#(< (mod (+ main_~z~0 36) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33664#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:25:01,111 INFO L290 TraceCheckUtils]: 19: Hoare triple {33672#(< (mod (+ main_~z~0 37) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33668#(< (mod (+ main_~z~0 36) 4294967296) 268435455)} is VALID [2022-04-28 10:25:01,111 INFO L290 TraceCheckUtils]: 18: Hoare triple {33676#(< (mod (+ main_~z~0 38) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33672#(< (mod (+ main_~z~0 37) 4294967296) 268435455)} is VALID [2022-04-28 10:25:01,112 INFO L290 TraceCheckUtils]: 17: Hoare triple {33680#(< (mod (+ main_~z~0 39) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33676#(< (mod (+ main_~z~0 38) 4294967296) 268435455)} is VALID [2022-04-28 10:25:01,113 INFO L290 TraceCheckUtils]: 16: Hoare triple {33684#(< (mod (+ 40 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33680#(< (mod (+ main_~z~0 39) 4294967296) 268435455)} is VALID [2022-04-28 10:25:01,113 INFO L290 TraceCheckUtils]: 15: Hoare triple {33688#(< (mod (+ 41 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33684#(< (mod (+ 40 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:25:01,114 INFO L290 TraceCheckUtils]: 14: Hoare triple {33692#(< (mod (+ 42 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33688#(< (mod (+ 41 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:25:01,114 INFO L290 TraceCheckUtils]: 13: Hoare triple {33696#(< (mod (+ main_~z~0 43) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33692#(< (mod (+ 42 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:25:01,115 INFO L290 TraceCheckUtils]: 12: Hoare triple {33700#(< (mod (+ 44 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33696#(< (mod (+ main_~z~0 43) 4294967296) 268435455)} is VALID [2022-04-28 10:25:01,115 INFO L290 TraceCheckUtils]: 11: Hoare triple {33704#(< (mod (+ main_~z~0 45) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33700#(< (mod (+ 44 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:25:01,116 INFO L290 TraceCheckUtils]: 10: Hoare triple {33708#(< (mod (+ main_~z~0 46) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33704#(< (mod (+ main_~z~0 45) 4294967296) 268435455)} is VALID [2022-04-28 10:25:01,116 INFO L290 TraceCheckUtils]: 9: Hoare triple {33712#(< (mod (+ main_~z~0 47) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33708#(< (mod (+ main_~z~0 46) 4294967296) 268435455)} is VALID [2022-04-28 10:25:01,117 INFO L290 TraceCheckUtils]: 8: Hoare triple {33716#(< (mod (+ main_~z~0 48) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {33712#(< (mod (+ main_~z~0 47) 4294967296) 268435455)} is VALID [2022-04-28 10:25:01,117 INFO L290 TraceCheckUtils]: 7: Hoare triple {33273#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {33716#(< (mod (+ main_~z~0 48) 4294967296) 268435455)} is VALID [2022-04-28 10:25:01,117 INFO L290 TraceCheckUtils]: 6: Hoare triple {33273#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {33273#true} is VALID [2022-04-28 10:25:01,117 INFO L290 TraceCheckUtils]: 5: Hoare triple {33273#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {33273#true} is VALID [2022-04-28 10:25:01,117 INFO L272 TraceCheckUtils]: 4: Hoare triple {33273#true} call #t~ret7 := main(); {33273#true} is VALID [2022-04-28 10:25:01,118 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {33273#true} {33273#true} #63#return; {33273#true} is VALID [2022-04-28 10:25:01,118 INFO L290 TraceCheckUtils]: 2: Hoare triple {33273#true} assume true; {33273#true} is VALID [2022-04-28 10:25:01,118 INFO L290 TraceCheckUtils]: 1: Hoare triple {33273#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {33273#true} is VALID [2022-04-28 10:25:01,118 INFO L272 TraceCheckUtils]: 0: Hoare triple {33273#true} call ULTIMATE.init(); {33273#true} is VALID [2022-04-28 10:25:01,118 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:25:01,118 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [326939428] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 10:25:01,118 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 10:25:01,118 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [52, 51, 51] total 102 [2022-04-28 10:25:01,118 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 10:25:01,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1166315436] [2022-04-28 10:25:01,119 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1166315436] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 10:25:01,119 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 10:25:01,119 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [52] imperfect sequences [] total 52 [2022-04-28 10:25:01,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293105152] [2022-04-28 10:25:01,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 10:25:01,119 INFO L78 Accepts]: Start accepts. Automaton has has 52 states, 52 states have (on average 1.0961538461538463) internal successors, (57), 51 states have internal predecessors, (57), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 61 [2022-04-28 10:25:01,119 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 10:25:01,119 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 52 states, 52 states have (on average 1.0961538461538463) internal successors, (57), 51 states have internal predecessors, (57), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:25:01,149 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 61 edges. 61 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:25:01,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2022-04-28 10:25:01,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 10:25:01,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2022-04-28 10:25:01,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2700, Invalid=7602, Unknown=0, NotChecked=0, Total=10302 [2022-04-28 10:25:01,150 INFO L87 Difference]: Start difference. First operand 70 states and 74 transitions. Second operand has 52 states, 52 states have (on average 1.0961538461538463) internal successors, (57), 51 states have internal predecessors, (57), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:25:05,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:25:05,644 INFO L93 Difference]: Finished difference Result 135 states and 144 transitions. [2022-04-28 10:25:05,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-04-28 10:25:05,644 INFO L78 Accepts]: Start accepts. Automaton has has 52 states, 52 states have (on average 1.0961538461538463) internal successors, (57), 51 states have internal predecessors, (57), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 61 [2022-04-28 10:25:05,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 10:25:05,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 52 states have (on average 1.0961538461538463) internal successors, (57), 51 states have internal predecessors, (57), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:25:05,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 94 transitions. [2022-04-28 10:25:05,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 52 states have (on average 1.0961538461538463) internal successors, (57), 51 states have internal predecessors, (57), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:25:05,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 94 transitions. [2022-04-28 10:25:05,646 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 52 states and 94 transitions. [2022-04-28 10:25:05,701 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 94 edges. 94 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:25:05,702 INFO L225 Difference]: With dead ends: 135 [2022-04-28 10:25:05,702 INFO L226 Difference]: Without dead ends: 72 [2022-04-28 10:25:05,703 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 75 SyntacticMatches, 1 SemanticMatches, 149 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1278 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=5393, Invalid=17257, Unknown=0, NotChecked=0, Total=22650 [2022-04-28 10:25:05,704 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 18 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 2556 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 2660 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 2556 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-04-28 10:25:05,704 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 58 Invalid, 2660 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 2556 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-04-28 10:25:05,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2022-04-28 10:25:05,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 71. [2022-04-28 10:25:05,765 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 10:25:05,765 INFO L82 GeneralOperation]: Start isEquivalent. First operand 72 states. Second operand has 71 states, 63 states have (on average 1.0634920634920635) internal successors, (67), 64 states have internal predecessors, (67), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:25:05,765 INFO L74 IsIncluded]: Start isIncluded. First operand 72 states. Second operand has 71 states, 63 states have (on average 1.0634920634920635) internal successors, (67), 64 states have internal predecessors, (67), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:25:05,765 INFO L87 Difference]: Start difference. First operand 72 states. Second operand has 71 states, 63 states have (on average 1.0634920634920635) internal successors, (67), 64 states have internal predecessors, (67), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:25:05,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:25:05,766 INFO L93 Difference]: Finished difference Result 72 states and 76 transitions. [2022-04-28 10:25:05,766 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 76 transitions. [2022-04-28 10:25:05,766 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:25:05,766 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:25:05,766 INFO L74 IsIncluded]: Start isIncluded. First operand has 71 states, 63 states have (on average 1.0634920634920635) internal successors, (67), 64 states have internal predecessors, (67), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 72 states. [2022-04-28 10:25:05,766 INFO L87 Difference]: Start difference. First operand has 71 states, 63 states have (on average 1.0634920634920635) internal successors, (67), 64 states have internal predecessors, (67), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 72 states. [2022-04-28 10:25:05,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:25:05,767 INFO L93 Difference]: Finished difference Result 72 states and 76 transitions. [2022-04-28 10:25:05,767 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 76 transitions. [2022-04-28 10:25:05,767 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:25:05,767 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:25:05,767 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 10:25:05,767 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 10:25:05,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 63 states have (on average 1.0634920634920635) internal successors, (67), 64 states have internal predecessors, (67), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:25:05,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 75 transitions. [2022-04-28 10:25:05,768 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 75 transitions. Word has length 61 [2022-04-28 10:25:05,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 10:25:05,768 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 75 transitions. [2022-04-28 10:25:05,768 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 1.0961538461538463) internal successors, (57), 51 states have internal predecessors, (57), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:25:05,768 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 71 states and 75 transitions. [2022-04-28 10:25:05,834 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 75 edges. 75 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:25:05,834 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 75 transitions. [2022-04-28 10:25:05,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-04-28 10:25:05,834 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 10:25:05,834 INFO L195 NwaCegarLoop]: trace histogram [49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 10:25:05,840 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Forceful destruction successful, exit code 0 [2022-04-28 10:25:06,034 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,49 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:25:06,035 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 10:25:06,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 10:25:06,035 INFO L85 PathProgramCache]: Analyzing trace with hash -2087240350, now seen corresponding path program 97 times [2022-04-28 10:25:06,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 10:25:06,035 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1429501055] [2022-04-28 10:25:06,038 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-28 10:25:06,038 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-28 10:25:06,038 INFO L85 PathProgramCache]: Analyzing trace with hash -2087240350, now seen corresponding path program 98 times [2022-04-28 10:25:06,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 10:25:06,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060798210] [2022-04-28 10:25:06,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 10:25:06,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 10:25:06,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:25:07,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 10:25:07,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:25:07,292 INFO L290 TraceCheckUtils]: 0: Hoare triple {34453#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {34398#true} is VALID [2022-04-28 10:25:07,292 INFO L290 TraceCheckUtils]: 1: Hoare triple {34398#true} assume true; {34398#true} is VALID [2022-04-28 10:25:07,292 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {34398#true} {34398#true} #63#return; {34398#true} is VALID [2022-04-28 10:25:07,293 INFO L272 TraceCheckUtils]: 0: Hoare triple {34398#true} call ULTIMATE.init(); {34453#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 10:25:07,293 INFO L290 TraceCheckUtils]: 1: Hoare triple {34453#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {34398#true} is VALID [2022-04-28 10:25:07,293 INFO L290 TraceCheckUtils]: 2: Hoare triple {34398#true} assume true; {34398#true} is VALID [2022-04-28 10:25:07,293 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {34398#true} {34398#true} #63#return; {34398#true} is VALID [2022-04-28 10:25:07,293 INFO L272 TraceCheckUtils]: 4: Hoare triple {34398#true} call #t~ret7 := main(); {34398#true} is VALID [2022-04-28 10:25:07,293 INFO L290 TraceCheckUtils]: 5: Hoare triple {34398#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {34398#true} is VALID [2022-04-28 10:25:07,293 INFO L290 TraceCheckUtils]: 6: Hoare triple {34398#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {34398#true} is VALID [2022-04-28 10:25:07,294 INFO L290 TraceCheckUtils]: 7: Hoare triple {34398#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {34403#(= main_~z~0 0)} is VALID [2022-04-28 10:25:07,294 INFO L290 TraceCheckUtils]: 8: Hoare triple {34403#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34404#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:25:07,295 INFO L290 TraceCheckUtils]: 9: Hoare triple {34404#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34405#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:25:07,295 INFO L290 TraceCheckUtils]: 10: Hoare triple {34405#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34406#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:25:07,296 INFO L290 TraceCheckUtils]: 11: Hoare triple {34406#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34407#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:25:07,296 INFO L290 TraceCheckUtils]: 12: Hoare triple {34407#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34408#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:25:07,297 INFO L290 TraceCheckUtils]: 13: Hoare triple {34408#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34409#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:25:07,297 INFO L290 TraceCheckUtils]: 14: Hoare triple {34409#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34410#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:25:07,298 INFO L290 TraceCheckUtils]: 15: Hoare triple {34410#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34411#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:25:07,298 INFO L290 TraceCheckUtils]: 16: Hoare triple {34411#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34412#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:25:07,299 INFO L290 TraceCheckUtils]: 17: Hoare triple {34412#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34413#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:25:07,299 INFO L290 TraceCheckUtils]: 18: Hoare triple {34413#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34414#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:25:07,300 INFO L290 TraceCheckUtils]: 19: Hoare triple {34414#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34415#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:25:07,301 INFO L290 TraceCheckUtils]: 20: Hoare triple {34415#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34416#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:25:07,301 INFO L290 TraceCheckUtils]: 21: Hoare triple {34416#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34417#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:25:07,302 INFO L290 TraceCheckUtils]: 22: Hoare triple {34417#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34418#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:25:07,302 INFO L290 TraceCheckUtils]: 23: Hoare triple {34418#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34419#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:25:07,303 INFO L290 TraceCheckUtils]: 24: Hoare triple {34419#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34420#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:25:07,303 INFO L290 TraceCheckUtils]: 25: Hoare triple {34420#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34421#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:25:07,304 INFO L290 TraceCheckUtils]: 26: Hoare triple {34421#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34422#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:25:07,304 INFO L290 TraceCheckUtils]: 27: Hoare triple {34422#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34423#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 10:25:07,305 INFO L290 TraceCheckUtils]: 28: Hoare triple {34423#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34424#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 10:25:07,305 INFO L290 TraceCheckUtils]: 29: Hoare triple {34424#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34425#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 10:25:07,306 INFO L290 TraceCheckUtils]: 30: Hoare triple {34425#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34426#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 10:25:07,306 INFO L290 TraceCheckUtils]: 31: Hoare triple {34426#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34427#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 10:25:07,307 INFO L290 TraceCheckUtils]: 32: Hoare triple {34427#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34428#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 10:25:07,307 INFO L290 TraceCheckUtils]: 33: Hoare triple {34428#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34429#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 10:25:07,308 INFO L290 TraceCheckUtils]: 34: Hoare triple {34429#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34430#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 10:25:07,308 INFO L290 TraceCheckUtils]: 35: Hoare triple {34430#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34431#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 10:25:07,309 INFO L290 TraceCheckUtils]: 36: Hoare triple {34431#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34432#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 10:25:07,309 INFO L290 TraceCheckUtils]: 37: Hoare triple {34432#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34433#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 10:25:07,309 INFO L290 TraceCheckUtils]: 38: Hoare triple {34433#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34434#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 10:25:07,311 INFO L290 TraceCheckUtils]: 39: Hoare triple {34434#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34435#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 10:25:07,311 INFO L290 TraceCheckUtils]: 40: Hoare triple {34435#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34436#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 10:25:07,312 INFO L290 TraceCheckUtils]: 41: Hoare triple {34436#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34437#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 10:25:07,312 INFO L290 TraceCheckUtils]: 42: Hoare triple {34437#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34438#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 10:25:07,313 INFO L290 TraceCheckUtils]: 43: Hoare triple {34438#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34439#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 10:25:07,313 INFO L290 TraceCheckUtils]: 44: Hoare triple {34439#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34440#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 10:25:07,314 INFO L290 TraceCheckUtils]: 45: Hoare triple {34440#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34441#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 10:25:07,314 INFO L290 TraceCheckUtils]: 46: Hoare triple {34441#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34442#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 10:25:07,315 INFO L290 TraceCheckUtils]: 47: Hoare triple {34442#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34443#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 10:25:07,315 INFO L290 TraceCheckUtils]: 48: Hoare triple {34443#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34444#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 10:25:07,316 INFO L290 TraceCheckUtils]: 49: Hoare triple {34444#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34445#(and (<= 42 main_~z~0) (<= main_~z~0 42))} is VALID [2022-04-28 10:25:07,316 INFO L290 TraceCheckUtils]: 50: Hoare triple {34445#(and (<= 42 main_~z~0) (<= main_~z~0 42))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34446#(and (<= main_~z~0 43) (<= 43 main_~z~0))} is VALID [2022-04-28 10:25:07,316 INFO L290 TraceCheckUtils]: 51: Hoare triple {34446#(and (<= main_~z~0 43) (<= 43 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34447#(and (<= main_~z~0 44) (<= 44 main_~z~0))} is VALID [2022-04-28 10:25:07,317 INFO L290 TraceCheckUtils]: 52: Hoare triple {34447#(and (<= main_~z~0 44) (<= 44 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34448#(and (<= main_~z~0 45) (<= 45 main_~z~0))} is VALID [2022-04-28 10:25:07,317 INFO L290 TraceCheckUtils]: 53: Hoare triple {34448#(and (<= main_~z~0 45) (<= 45 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34449#(and (<= 46 main_~z~0) (<= main_~z~0 46))} is VALID [2022-04-28 10:25:07,318 INFO L290 TraceCheckUtils]: 54: Hoare triple {34449#(and (<= 46 main_~z~0) (<= main_~z~0 46))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34450#(and (<= main_~z~0 47) (<= 47 main_~z~0))} is VALID [2022-04-28 10:25:07,318 INFO L290 TraceCheckUtils]: 55: Hoare triple {34450#(and (<= main_~z~0 47) (<= 47 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34451#(and (<= 48 main_~z~0) (<= main_~z~0 48))} is VALID [2022-04-28 10:25:07,319 INFO L290 TraceCheckUtils]: 56: Hoare triple {34451#(and (<= 48 main_~z~0) (<= main_~z~0 48))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34452#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 49))} is VALID [2022-04-28 10:25:07,319 INFO L290 TraceCheckUtils]: 57: Hoare triple {34452#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 49))} assume !(~z~0 % 4294967296 < 268435455); {34399#false} is VALID [2022-04-28 10:25:07,319 INFO L272 TraceCheckUtils]: 58: Hoare triple {34399#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {34399#false} is VALID [2022-04-28 10:25:07,319 INFO L290 TraceCheckUtils]: 59: Hoare triple {34399#false} ~cond := #in~cond; {34399#false} is VALID [2022-04-28 10:25:07,319 INFO L290 TraceCheckUtils]: 60: Hoare triple {34399#false} assume 0 == ~cond; {34399#false} is VALID [2022-04-28 10:25:07,320 INFO L290 TraceCheckUtils]: 61: Hoare triple {34399#false} assume !false; {34399#false} is VALID [2022-04-28 10:25:07,320 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:25:07,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 10:25:07,320 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060798210] [2022-04-28 10:25:07,320 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060798210] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 10:25:07,320 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [874062727] [2022-04-28 10:25:07,320 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-28 10:25:07,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:25:07,320 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 10:25:07,321 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 10:25:07,322 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Waiting until timeout for monitored process [2022-04-28 10:25:07,388 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-28 10:25:07,388 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 10:25:07,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 101 conjunts are in the unsatisfiable core [2022-04-28 10:25:07,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:25:07,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 10:25:08,381 INFO L272 TraceCheckUtils]: 0: Hoare triple {34398#true} call ULTIMATE.init(); {34398#true} is VALID [2022-04-28 10:25:08,381 INFO L290 TraceCheckUtils]: 1: Hoare triple {34398#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {34398#true} is VALID [2022-04-28 10:25:08,382 INFO L290 TraceCheckUtils]: 2: Hoare triple {34398#true} assume true; {34398#true} is VALID [2022-04-28 10:25:08,382 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {34398#true} {34398#true} #63#return; {34398#true} is VALID [2022-04-28 10:25:08,382 INFO L272 TraceCheckUtils]: 4: Hoare triple {34398#true} call #t~ret7 := main(); {34398#true} is VALID [2022-04-28 10:25:08,382 INFO L290 TraceCheckUtils]: 5: Hoare triple {34398#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {34398#true} is VALID [2022-04-28 10:25:08,382 INFO L290 TraceCheckUtils]: 6: Hoare triple {34398#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {34398#true} is VALID [2022-04-28 10:25:08,382 INFO L290 TraceCheckUtils]: 7: Hoare triple {34398#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {34403#(= main_~z~0 0)} is VALID [2022-04-28 10:25:08,382 INFO L290 TraceCheckUtils]: 8: Hoare triple {34403#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34404#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:25:08,383 INFO L290 TraceCheckUtils]: 9: Hoare triple {34404#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34405#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:25:08,383 INFO L290 TraceCheckUtils]: 10: Hoare triple {34405#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34406#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:25:08,384 INFO L290 TraceCheckUtils]: 11: Hoare triple {34406#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34407#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:25:08,384 INFO L290 TraceCheckUtils]: 12: Hoare triple {34407#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34408#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:25:08,385 INFO L290 TraceCheckUtils]: 13: Hoare triple {34408#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34409#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:25:08,385 INFO L290 TraceCheckUtils]: 14: Hoare triple {34409#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34410#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:25:08,386 INFO L290 TraceCheckUtils]: 15: Hoare triple {34410#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34411#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:25:08,386 INFO L290 TraceCheckUtils]: 16: Hoare triple {34411#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34412#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:25:08,387 INFO L290 TraceCheckUtils]: 17: Hoare triple {34412#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34413#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:25:08,387 INFO L290 TraceCheckUtils]: 18: Hoare triple {34413#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34414#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:25:08,388 INFO L290 TraceCheckUtils]: 19: Hoare triple {34414#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34415#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:25:08,388 INFO L290 TraceCheckUtils]: 20: Hoare triple {34415#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34416#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:25:08,388 INFO L290 TraceCheckUtils]: 21: Hoare triple {34416#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34417#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:25:08,389 INFO L290 TraceCheckUtils]: 22: Hoare triple {34417#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34418#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:25:08,389 INFO L290 TraceCheckUtils]: 23: Hoare triple {34418#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34419#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:25:08,390 INFO L290 TraceCheckUtils]: 24: Hoare triple {34419#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34420#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:25:08,390 INFO L290 TraceCheckUtils]: 25: Hoare triple {34420#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34421#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:25:08,391 INFO L290 TraceCheckUtils]: 26: Hoare triple {34421#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34422#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:25:08,391 INFO L290 TraceCheckUtils]: 27: Hoare triple {34422#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34423#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 10:25:08,392 INFO L290 TraceCheckUtils]: 28: Hoare triple {34423#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34424#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 10:25:08,392 INFO L290 TraceCheckUtils]: 29: Hoare triple {34424#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34425#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 10:25:08,393 INFO L290 TraceCheckUtils]: 30: Hoare triple {34425#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34426#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 10:25:08,393 INFO L290 TraceCheckUtils]: 31: Hoare triple {34426#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34427#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 10:25:08,393 INFO L290 TraceCheckUtils]: 32: Hoare triple {34427#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34428#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 10:25:08,394 INFO L290 TraceCheckUtils]: 33: Hoare triple {34428#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34429#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 10:25:08,394 INFO L290 TraceCheckUtils]: 34: Hoare triple {34429#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34430#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 10:25:08,395 INFO L290 TraceCheckUtils]: 35: Hoare triple {34430#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34431#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 10:25:08,395 INFO L290 TraceCheckUtils]: 36: Hoare triple {34431#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34432#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 10:25:08,396 INFO L290 TraceCheckUtils]: 37: Hoare triple {34432#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34433#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 10:25:08,396 INFO L290 TraceCheckUtils]: 38: Hoare triple {34433#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34434#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 10:25:08,397 INFO L290 TraceCheckUtils]: 39: Hoare triple {34434#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34435#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 10:25:08,397 INFO L290 TraceCheckUtils]: 40: Hoare triple {34435#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34436#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 10:25:08,398 INFO L290 TraceCheckUtils]: 41: Hoare triple {34436#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34437#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 10:25:08,398 INFO L290 TraceCheckUtils]: 42: Hoare triple {34437#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34438#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 10:25:08,398 INFO L290 TraceCheckUtils]: 43: Hoare triple {34438#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34439#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 10:25:08,399 INFO L290 TraceCheckUtils]: 44: Hoare triple {34439#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34440#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 10:25:08,399 INFO L290 TraceCheckUtils]: 45: Hoare triple {34440#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34441#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 10:25:08,400 INFO L290 TraceCheckUtils]: 46: Hoare triple {34441#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34442#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 10:25:08,400 INFO L290 TraceCheckUtils]: 47: Hoare triple {34442#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34443#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 10:25:08,401 INFO L290 TraceCheckUtils]: 48: Hoare triple {34443#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34444#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 10:25:08,401 INFO L290 TraceCheckUtils]: 49: Hoare triple {34444#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34445#(and (<= 42 main_~z~0) (<= main_~z~0 42))} is VALID [2022-04-28 10:25:08,402 INFO L290 TraceCheckUtils]: 50: Hoare triple {34445#(and (<= 42 main_~z~0) (<= main_~z~0 42))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34446#(and (<= main_~z~0 43) (<= 43 main_~z~0))} is VALID [2022-04-28 10:25:08,402 INFO L290 TraceCheckUtils]: 51: Hoare triple {34446#(and (<= main_~z~0 43) (<= 43 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34447#(and (<= main_~z~0 44) (<= 44 main_~z~0))} is VALID [2022-04-28 10:25:08,403 INFO L290 TraceCheckUtils]: 52: Hoare triple {34447#(and (<= main_~z~0 44) (<= 44 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34448#(and (<= main_~z~0 45) (<= 45 main_~z~0))} is VALID [2022-04-28 10:25:08,403 INFO L290 TraceCheckUtils]: 53: Hoare triple {34448#(and (<= main_~z~0 45) (<= 45 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34449#(and (<= 46 main_~z~0) (<= main_~z~0 46))} is VALID [2022-04-28 10:25:08,404 INFO L290 TraceCheckUtils]: 54: Hoare triple {34449#(and (<= 46 main_~z~0) (<= main_~z~0 46))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34450#(and (<= main_~z~0 47) (<= 47 main_~z~0))} is VALID [2022-04-28 10:25:08,404 INFO L290 TraceCheckUtils]: 55: Hoare triple {34450#(and (<= main_~z~0 47) (<= 47 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34451#(and (<= 48 main_~z~0) (<= main_~z~0 48))} is VALID [2022-04-28 10:25:08,404 INFO L290 TraceCheckUtils]: 56: Hoare triple {34451#(and (<= 48 main_~z~0) (<= main_~z~0 48))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34625#(and (<= 49 main_~z~0) (<= main_~z~0 49))} is VALID [2022-04-28 10:25:08,405 INFO L290 TraceCheckUtils]: 57: Hoare triple {34625#(and (<= 49 main_~z~0) (<= main_~z~0 49))} assume !(~z~0 % 4294967296 < 268435455); {34399#false} is VALID [2022-04-28 10:25:08,405 INFO L272 TraceCheckUtils]: 58: Hoare triple {34399#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {34399#false} is VALID [2022-04-28 10:25:08,405 INFO L290 TraceCheckUtils]: 59: Hoare triple {34399#false} ~cond := #in~cond; {34399#false} is VALID [2022-04-28 10:25:08,405 INFO L290 TraceCheckUtils]: 60: Hoare triple {34399#false} assume 0 == ~cond; {34399#false} is VALID [2022-04-28 10:25:08,405 INFO L290 TraceCheckUtils]: 61: Hoare triple {34399#false} assume !false; {34399#false} is VALID [2022-04-28 10:25:08,405 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:25:08,406 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 10:25:11,925 INFO L290 TraceCheckUtils]: 61: Hoare triple {34399#false} assume !false; {34399#false} is VALID [2022-04-28 10:25:11,925 INFO L290 TraceCheckUtils]: 60: Hoare triple {34399#false} assume 0 == ~cond; {34399#false} is VALID [2022-04-28 10:25:11,925 INFO L290 TraceCheckUtils]: 59: Hoare triple {34399#false} ~cond := #in~cond; {34399#false} is VALID [2022-04-28 10:25:11,925 INFO L272 TraceCheckUtils]: 58: Hoare triple {34399#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {34399#false} is VALID [2022-04-28 10:25:11,925 INFO L290 TraceCheckUtils]: 57: Hoare triple {34653#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {34399#false} is VALID [2022-04-28 10:25:11,926 INFO L290 TraceCheckUtils]: 56: Hoare triple {34657#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34653#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 10:25:11,927 INFO L290 TraceCheckUtils]: 55: Hoare triple {34661#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34657#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 10:25:11,927 INFO L290 TraceCheckUtils]: 54: Hoare triple {34665#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34661#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 10:25:11,928 INFO L290 TraceCheckUtils]: 53: Hoare triple {34669#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34665#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 10:25:11,928 INFO L290 TraceCheckUtils]: 52: Hoare triple {34673#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34669#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 10:25:11,929 INFO L290 TraceCheckUtils]: 51: Hoare triple {34677#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34673#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:25:11,929 INFO L290 TraceCheckUtils]: 50: Hoare triple {34681#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34677#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} is VALID [2022-04-28 10:25:11,930 INFO L290 TraceCheckUtils]: 49: Hoare triple {34685#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34681#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:25:11,930 INFO L290 TraceCheckUtils]: 48: Hoare triple {34689#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34685#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} is VALID [2022-04-28 10:25:11,931 INFO L290 TraceCheckUtils]: 47: Hoare triple {34693#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34689#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} is VALID [2022-04-28 10:25:11,932 INFO L290 TraceCheckUtils]: 46: Hoare triple {34697#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34693#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} is VALID [2022-04-28 10:25:11,932 INFO L290 TraceCheckUtils]: 45: Hoare triple {34701#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34697#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} is VALID [2022-04-28 10:25:11,933 INFO L290 TraceCheckUtils]: 44: Hoare triple {34705#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34701#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} is VALID [2022-04-28 10:25:11,933 INFO L290 TraceCheckUtils]: 43: Hoare triple {34709#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34705#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} is VALID [2022-04-28 10:25:11,934 INFO L290 TraceCheckUtils]: 42: Hoare triple {34713#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34709#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} is VALID [2022-04-28 10:25:11,934 INFO L290 TraceCheckUtils]: 41: Hoare triple {34717#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34713#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} is VALID [2022-04-28 10:25:11,935 INFO L290 TraceCheckUtils]: 40: Hoare triple {34721#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34717#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} is VALID [2022-04-28 10:25:11,936 INFO L290 TraceCheckUtils]: 39: Hoare triple {34725#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34721#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} is VALID [2022-04-28 10:25:11,936 INFO L290 TraceCheckUtils]: 38: Hoare triple {34729#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34725#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} is VALID [2022-04-28 10:25:11,937 INFO L290 TraceCheckUtils]: 37: Hoare triple {34733#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34729#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:25:11,937 INFO L290 TraceCheckUtils]: 36: Hoare triple {34737#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34733#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} is VALID [2022-04-28 10:25:11,938 INFO L290 TraceCheckUtils]: 35: Hoare triple {34741#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34737#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} is VALID [2022-04-28 10:25:11,938 INFO L290 TraceCheckUtils]: 34: Hoare triple {34745#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34741#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} is VALID [2022-04-28 10:25:11,939 INFO L290 TraceCheckUtils]: 33: Hoare triple {34749#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34745#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:25:11,939 INFO L290 TraceCheckUtils]: 32: Hoare triple {34753#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34749#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} is VALID [2022-04-28 10:25:11,940 INFO L290 TraceCheckUtils]: 31: Hoare triple {34757#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34753#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} is VALID [2022-04-28 10:25:11,941 INFO L290 TraceCheckUtils]: 30: Hoare triple {34761#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34757#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} is VALID [2022-04-28 10:25:11,941 INFO L290 TraceCheckUtils]: 29: Hoare triple {34765#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34761#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} is VALID [2022-04-28 10:25:11,942 INFO L290 TraceCheckUtils]: 28: Hoare triple {34769#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34765#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} is VALID [2022-04-28 10:25:11,942 INFO L290 TraceCheckUtils]: 27: Hoare triple {34773#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34769#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:25:11,943 INFO L290 TraceCheckUtils]: 26: Hoare triple {34777#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34773#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:25:11,943 INFO L290 TraceCheckUtils]: 25: Hoare triple {34781#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34777#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} is VALID [2022-04-28 10:25:11,944 INFO L290 TraceCheckUtils]: 24: Hoare triple {34785#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34781#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:25:11,944 INFO L290 TraceCheckUtils]: 23: Hoare triple {34789#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34785#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} is VALID [2022-04-28 10:25:11,945 INFO L290 TraceCheckUtils]: 22: Hoare triple {34793#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34789#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} is VALID [2022-04-28 10:25:11,946 INFO L290 TraceCheckUtils]: 21: Hoare triple {34797#(< (mod (+ main_~z~0 36) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34793#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:25:11,946 INFO L290 TraceCheckUtils]: 20: Hoare triple {34801#(< (mod (+ main_~z~0 37) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34797#(< (mod (+ main_~z~0 36) 4294967296) 268435455)} is VALID [2022-04-28 10:25:11,947 INFO L290 TraceCheckUtils]: 19: Hoare triple {34805#(< (mod (+ main_~z~0 38) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34801#(< (mod (+ main_~z~0 37) 4294967296) 268435455)} is VALID [2022-04-28 10:25:11,947 INFO L290 TraceCheckUtils]: 18: Hoare triple {34809#(< (mod (+ main_~z~0 39) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34805#(< (mod (+ main_~z~0 38) 4294967296) 268435455)} is VALID [2022-04-28 10:25:11,948 INFO L290 TraceCheckUtils]: 17: Hoare triple {34813#(< (mod (+ 40 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34809#(< (mod (+ main_~z~0 39) 4294967296) 268435455)} is VALID [2022-04-28 10:25:11,948 INFO L290 TraceCheckUtils]: 16: Hoare triple {34817#(< (mod (+ 41 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34813#(< (mod (+ 40 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:25:11,949 INFO L290 TraceCheckUtils]: 15: Hoare triple {34821#(< (mod (+ 42 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34817#(< (mod (+ 41 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:25:11,950 INFO L290 TraceCheckUtils]: 14: Hoare triple {34825#(< (mod (+ main_~z~0 43) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34821#(< (mod (+ 42 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:25:11,950 INFO L290 TraceCheckUtils]: 13: Hoare triple {34829#(< (mod (+ 44 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34825#(< (mod (+ main_~z~0 43) 4294967296) 268435455)} is VALID [2022-04-28 10:25:11,951 INFO L290 TraceCheckUtils]: 12: Hoare triple {34833#(< (mod (+ main_~z~0 45) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34829#(< (mod (+ 44 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:25:11,951 INFO L290 TraceCheckUtils]: 11: Hoare triple {34837#(< (mod (+ main_~z~0 46) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34833#(< (mod (+ main_~z~0 45) 4294967296) 268435455)} is VALID [2022-04-28 10:25:11,952 INFO L290 TraceCheckUtils]: 10: Hoare triple {34841#(< (mod (+ main_~z~0 47) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34837#(< (mod (+ main_~z~0 46) 4294967296) 268435455)} is VALID [2022-04-28 10:25:11,952 INFO L290 TraceCheckUtils]: 9: Hoare triple {34845#(< (mod (+ main_~z~0 48) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34841#(< (mod (+ main_~z~0 47) 4294967296) 268435455)} is VALID [2022-04-28 10:25:11,953 INFO L290 TraceCheckUtils]: 8: Hoare triple {34849#(< (mod (+ 49 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {34845#(< (mod (+ main_~z~0 48) 4294967296) 268435455)} is VALID [2022-04-28 10:25:11,953 INFO L290 TraceCheckUtils]: 7: Hoare triple {34398#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {34849#(< (mod (+ 49 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:25:11,953 INFO L290 TraceCheckUtils]: 6: Hoare triple {34398#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {34398#true} is VALID [2022-04-28 10:25:11,953 INFO L290 TraceCheckUtils]: 5: Hoare triple {34398#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {34398#true} is VALID [2022-04-28 10:25:11,953 INFO L272 TraceCheckUtils]: 4: Hoare triple {34398#true} call #t~ret7 := main(); {34398#true} is VALID [2022-04-28 10:25:11,953 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {34398#true} {34398#true} #63#return; {34398#true} is VALID [2022-04-28 10:25:11,954 INFO L290 TraceCheckUtils]: 2: Hoare triple {34398#true} assume true; {34398#true} is VALID [2022-04-28 10:25:11,954 INFO L290 TraceCheckUtils]: 1: Hoare triple {34398#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {34398#true} is VALID [2022-04-28 10:25:11,954 INFO L272 TraceCheckUtils]: 0: Hoare triple {34398#true} call ULTIMATE.init(); {34398#true} is VALID [2022-04-28 10:25:11,954 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:25:11,954 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [874062727] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 10:25:11,954 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 10:25:11,954 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 52, 52] total 104 [2022-04-28 10:25:11,954 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 10:25:11,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1429501055] [2022-04-28 10:25:11,955 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1429501055] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 10:25:11,955 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 10:25:11,955 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [53] imperfect sequences [] total 53 [2022-04-28 10:25:11,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246364655] [2022-04-28 10:25:11,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 10:25:11,955 INFO L78 Accepts]: Start accepts. Automaton has has 53 states, 53 states have (on average 1.0943396226415094) internal successors, (58), 52 states have internal predecessors, (58), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 62 [2022-04-28 10:25:11,955 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 10:25:11,955 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 53 states, 53 states have (on average 1.0943396226415094) internal successors, (58), 52 states have internal predecessors, (58), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:25:11,989 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 62 edges. 62 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:25:11,989 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2022-04-28 10:25:11,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 10:25:11,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2022-04-28 10:25:11,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2805, Invalid=7907, Unknown=0, NotChecked=0, Total=10712 [2022-04-28 10:25:11,990 INFO L87 Difference]: Start difference. First operand 71 states and 75 transitions. Second operand has 53 states, 53 states have (on average 1.0943396226415094) internal successors, (58), 52 states have internal predecessors, (58), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:25:17,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:25:17,378 INFO L93 Difference]: Finished difference Result 137 states and 146 transitions. [2022-04-28 10:25:17,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-04-28 10:25:17,378 INFO L78 Accepts]: Start accepts. Automaton has has 53 states, 53 states have (on average 1.0943396226415094) internal successors, (58), 52 states have internal predecessors, (58), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 62 [2022-04-28 10:25:17,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 10:25:17,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 53 states have (on average 1.0943396226415094) internal successors, (58), 52 states have internal predecessors, (58), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:25:17,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 95 transitions. [2022-04-28 10:25:17,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 53 states have (on average 1.0943396226415094) internal successors, (58), 52 states have internal predecessors, (58), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:25:17,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 95 transitions. [2022-04-28 10:25:17,384 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 53 states and 95 transitions. [2022-04-28 10:25:17,441 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 95 edges. 95 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:25:17,442 INFO L225 Difference]: With dead ends: 137 [2022-04-28 10:25:17,442 INFO L226 Difference]: Without dead ends: 73 [2022-04-28 10:25:17,443 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 76 SyntacticMatches, 1 SemanticMatches, 152 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1329 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=5603, Invalid=17959, Unknown=0, NotChecked=0, Total=23562 [2022-04-28 10:25:17,444 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 17 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 3257 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 3362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 3257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-04-28 10:25:17,444 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 258 Invalid, 3362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 3257 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-04-28 10:25:17,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2022-04-28 10:25:17,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 72. [2022-04-28 10:25:17,505 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 10:25:17,505 INFO L82 GeneralOperation]: Start isEquivalent. First operand 73 states. Second operand has 72 states, 64 states have (on average 1.0625) internal successors, (68), 65 states have internal predecessors, (68), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:25:17,505 INFO L74 IsIncluded]: Start isIncluded. First operand 73 states. Second operand has 72 states, 64 states have (on average 1.0625) internal successors, (68), 65 states have internal predecessors, (68), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:25:17,505 INFO L87 Difference]: Start difference. First operand 73 states. Second operand has 72 states, 64 states have (on average 1.0625) internal successors, (68), 65 states have internal predecessors, (68), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:25:17,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:25:17,506 INFO L93 Difference]: Finished difference Result 73 states and 77 transitions. [2022-04-28 10:25:17,506 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 77 transitions. [2022-04-28 10:25:17,506 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:25:17,506 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:25:17,506 INFO L74 IsIncluded]: Start isIncluded. First operand has 72 states, 64 states have (on average 1.0625) internal successors, (68), 65 states have internal predecessors, (68), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 73 states. [2022-04-28 10:25:17,506 INFO L87 Difference]: Start difference. First operand has 72 states, 64 states have (on average 1.0625) internal successors, (68), 65 states have internal predecessors, (68), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 73 states. [2022-04-28 10:25:17,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:25:17,507 INFO L93 Difference]: Finished difference Result 73 states and 77 transitions. [2022-04-28 10:25:17,507 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 77 transitions. [2022-04-28 10:25:17,507 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:25:17,507 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:25:17,507 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 10:25:17,507 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 10:25:17,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 64 states have (on average 1.0625) internal successors, (68), 65 states have internal predecessors, (68), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:25:17,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 76 transitions. [2022-04-28 10:25:17,508 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 76 transitions. Word has length 62 [2022-04-28 10:25:17,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 10:25:17,508 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 76 transitions. [2022-04-28 10:25:17,508 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 1.0943396226415094) internal successors, (58), 52 states have internal predecessors, (58), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:25:17,508 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 72 states and 76 transitions. [2022-04-28 10:25:17,571 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 76 edges. 76 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:25:17,571 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 76 transitions. [2022-04-28 10:25:17,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-04-28 10:25:17,571 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 10:25:17,571 INFO L195 NwaCegarLoop]: trace histogram [50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 10:25:17,587 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Forceful destruction successful, exit code 0 [2022-04-28 10:25:17,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable52 [2022-04-28 10:25:17,772 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 10:25:17,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 10:25:17,772 INFO L85 PathProgramCache]: Analyzing trace with hash -253638846, now seen corresponding path program 99 times [2022-04-28 10:25:17,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 10:25:17,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1631779118] [2022-04-28 10:25:17,774 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-28 10:25:17,774 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-28 10:25:17,774 INFO L85 PathProgramCache]: Analyzing trace with hash -253638846, now seen corresponding path program 100 times [2022-04-28 10:25:17,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 10:25:17,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285852182] [2022-04-28 10:25:17,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 10:25:17,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 10:25:17,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:25:18,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 10:25:18,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:25:18,969 INFO L290 TraceCheckUtils]: 0: Hoare triple {35597#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {35541#true} is VALID [2022-04-28 10:25:18,969 INFO L290 TraceCheckUtils]: 1: Hoare triple {35541#true} assume true; {35541#true} is VALID [2022-04-28 10:25:18,969 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {35541#true} {35541#true} #63#return; {35541#true} is VALID [2022-04-28 10:25:18,970 INFO L272 TraceCheckUtils]: 0: Hoare triple {35541#true} call ULTIMATE.init(); {35597#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 10:25:18,970 INFO L290 TraceCheckUtils]: 1: Hoare triple {35597#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {35541#true} is VALID [2022-04-28 10:25:18,970 INFO L290 TraceCheckUtils]: 2: Hoare triple {35541#true} assume true; {35541#true} is VALID [2022-04-28 10:25:18,970 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {35541#true} {35541#true} #63#return; {35541#true} is VALID [2022-04-28 10:25:18,970 INFO L272 TraceCheckUtils]: 4: Hoare triple {35541#true} call #t~ret7 := main(); {35541#true} is VALID [2022-04-28 10:25:18,970 INFO L290 TraceCheckUtils]: 5: Hoare triple {35541#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {35541#true} is VALID [2022-04-28 10:25:18,970 INFO L290 TraceCheckUtils]: 6: Hoare triple {35541#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {35541#true} is VALID [2022-04-28 10:25:18,971 INFO L290 TraceCheckUtils]: 7: Hoare triple {35541#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {35546#(= main_~z~0 0)} is VALID [2022-04-28 10:25:18,971 INFO L290 TraceCheckUtils]: 8: Hoare triple {35546#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35547#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:25:18,971 INFO L290 TraceCheckUtils]: 9: Hoare triple {35547#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35548#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:25:18,972 INFO L290 TraceCheckUtils]: 10: Hoare triple {35548#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35549#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:25:18,972 INFO L290 TraceCheckUtils]: 11: Hoare triple {35549#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35550#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:25:18,973 INFO L290 TraceCheckUtils]: 12: Hoare triple {35550#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35551#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:25:18,973 INFO L290 TraceCheckUtils]: 13: Hoare triple {35551#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35552#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:25:18,974 INFO L290 TraceCheckUtils]: 14: Hoare triple {35552#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35553#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:25:18,974 INFO L290 TraceCheckUtils]: 15: Hoare triple {35553#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35554#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:25:18,974 INFO L290 TraceCheckUtils]: 16: Hoare triple {35554#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35555#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:25:18,975 INFO L290 TraceCheckUtils]: 17: Hoare triple {35555#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35556#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:25:18,975 INFO L290 TraceCheckUtils]: 18: Hoare triple {35556#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35557#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:25:18,976 INFO L290 TraceCheckUtils]: 19: Hoare triple {35557#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35558#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:25:18,976 INFO L290 TraceCheckUtils]: 20: Hoare triple {35558#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35559#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:25:18,977 INFO L290 TraceCheckUtils]: 21: Hoare triple {35559#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35560#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:25:18,977 INFO L290 TraceCheckUtils]: 22: Hoare triple {35560#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35561#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:25:18,978 INFO L290 TraceCheckUtils]: 23: Hoare triple {35561#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35562#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:25:18,978 INFO L290 TraceCheckUtils]: 24: Hoare triple {35562#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35563#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:25:18,979 INFO L290 TraceCheckUtils]: 25: Hoare triple {35563#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35564#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:25:18,979 INFO L290 TraceCheckUtils]: 26: Hoare triple {35564#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35565#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:25:18,979 INFO L290 TraceCheckUtils]: 27: Hoare triple {35565#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35566#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 10:25:18,980 INFO L290 TraceCheckUtils]: 28: Hoare triple {35566#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35567#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 10:25:18,980 INFO L290 TraceCheckUtils]: 29: Hoare triple {35567#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35568#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 10:25:18,981 INFO L290 TraceCheckUtils]: 30: Hoare triple {35568#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35569#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 10:25:18,981 INFO L290 TraceCheckUtils]: 31: Hoare triple {35569#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35570#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 10:25:18,982 INFO L290 TraceCheckUtils]: 32: Hoare triple {35570#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35571#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 10:25:18,982 INFO L290 TraceCheckUtils]: 33: Hoare triple {35571#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35572#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 10:25:18,983 INFO L290 TraceCheckUtils]: 34: Hoare triple {35572#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35573#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 10:25:18,983 INFO L290 TraceCheckUtils]: 35: Hoare triple {35573#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35574#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 10:25:18,983 INFO L290 TraceCheckUtils]: 36: Hoare triple {35574#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35575#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 10:25:18,984 INFO L290 TraceCheckUtils]: 37: Hoare triple {35575#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35576#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 10:25:18,984 INFO L290 TraceCheckUtils]: 38: Hoare triple {35576#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35577#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 10:25:18,985 INFO L290 TraceCheckUtils]: 39: Hoare triple {35577#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35578#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 10:25:18,985 INFO L290 TraceCheckUtils]: 40: Hoare triple {35578#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35579#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 10:25:18,986 INFO L290 TraceCheckUtils]: 41: Hoare triple {35579#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35580#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 10:25:18,986 INFO L290 TraceCheckUtils]: 42: Hoare triple {35580#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35581#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 10:25:18,987 INFO L290 TraceCheckUtils]: 43: Hoare triple {35581#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35582#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 10:25:18,987 INFO L290 TraceCheckUtils]: 44: Hoare triple {35582#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35583#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 10:25:18,987 INFO L290 TraceCheckUtils]: 45: Hoare triple {35583#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35584#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 10:25:18,988 INFO L290 TraceCheckUtils]: 46: Hoare triple {35584#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35585#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 10:25:18,988 INFO L290 TraceCheckUtils]: 47: Hoare triple {35585#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35586#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 10:25:18,989 INFO L290 TraceCheckUtils]: 48: Hoare triple {35586#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35587#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 10:25:18,989 INFO L290 TraceCheckUtils]: 49: Hoare triple {35587#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35588#(and (<= 42 main_~z~0) (<= main_~z~0 42))} is VALID [2022-04-28 10:25:18,990 INFO L290 TraceCheckUtils]: 50: Hoare triple {35588#(and (<= 42 main_~z~0) (<= main_~z~0 42))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35589#(and (<= main_~z~0 43) (<= 43 main_~z~0))} is VALID [2022-04-28 10:25:18,990 INFO L290 TraceCheckUtils]: 51: Hoare triple {35589#(and (<= main_~z~0 43) (<= 43 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35590#(and (<= main_~z~0 44) (<= 44 main_~z~0))} is VALID [2022-04-28 10:25:18,991 INFO L290 TraceCheckUtils]: 52: Hoare triple {35590#(and (<= main_~z~0 44) (<= 44 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35591#(and (<= main_~z~0 45) (<= 45 main_~z~0))} is VALID [2022-04-28 10:25:18,991 INFO L290 TraceCheckUtils]: 53: Hoare triple {35591#(and (<= main_~z~0 45) (<= 45 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35592#(and (<= 46 main_~z~0) (<= main_~z~0 46))} is VALID [2022-04-28 10:25:18,991 INFO L290 TraceCheckUtils]: 54: Hoare triple {35592#(and (<= 46 main_~z~0) (<= main_~z~0 46))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35593#(and (<= main_~z~0 47) (<= 47 main_~z~0))} is VALID [2022-04-28 10:25:18,992 INFO L290 TraceCheckUtils]: 55: Hoare triple {35593#(and (<= main_~z~0 47) (<= 47 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35594#(and (<= 48 main_~z~0) (<= main_~z~0 48))} is VALID [2022-04-28 10:25:18,992 INFO L290 TraceCheckUtils]: 56: Hoare triple {35594#(and (<= 48 main_~z~0) (<= main_~z~0 48))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35595#(and (<= 49 main_~z~0) (<= main_~z~0 49))} is VALID [2022-04-28 10:25:18,993 INFO L290 TraceCheckUtils]: 57: Hoare triple {35595#(and (<= 49 main_~z~0) (<= main_~z~0 49))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35596#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 50))} is VALID [2022-04-28 10:25:18,993 INFO L290 TraceCheckUtils]: 58: Hoare triple {35596#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 50))} assume !(~z~0 % 4294967296 < 268435455); {35542#false} is VALID [2022-04-28 10:25:18,993 INFO L272 TraceCheckUtils]: 59: Hoare triple {35542#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {35542#false} is VALID [2022-04-28 10:25:18,993 INFO L290 TraceCheckUtils]: 60: Hoare triple {35542#false} ~cond := #in~cond; {35542#false} is VALID [2022-04-28 10:25:18,993 INFO L290 TraceCheckUtils]: 61: Hoare triple {35542#false} assume 0 == ~cond; {35542#false} is VALID [2022-04-28 10:25:18,994 INFO L290 TraceCheckUtils]: 62: Hoare triple {35542#false} assume !false; {35542#false} is VALID [2022-04-28 10:25:18,994 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:25:18,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 10:25:18,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285852182] [2022-04-28 10:25:18,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [285852182] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 10:25:18,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2020787481] [2022-04-28 10:25:18,994 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-28 10:25:18,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:25:18,994 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 10:25:18,995 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 10:25:18,996 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Waiting until timeout for monitored process [2022-04-28 10:25:19,148 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-28 10:25:19,148 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 10:25:19,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 103 conjunts are in the unsatisfiable core [2022-04-28 10:25:19,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:25:19,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 10:25:19,704 INFO L272 TraceCheckUtils]: 0: Hoare triple {35541#true} call ULTIMATE.init(); {35541#true} is VALID [2022-04-28 10:25:19,704 INFO L290 TraceCheckUtils]: 1: Hoare triple {35541#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {35541#true} is VALID [2022-04-28 10:25:19,704 INFO L290 TraceCheckUtils]: 2: Hoare triple {35541#true} assume true; {35541#true} is VALID [2022-04-28 10:25:19,704 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {35541#true} {35541#true} #63#return; {35541#true} is VALID [2022-04-28 10:25:19,704 INFO L272 TraceCheckUtils]: 4: Hoare triple {35541#true} call #t~ret7 := main(); {35541#true} is VALID [2022-04-28 10:25:19,705 INFO L290 TraceCheckUtils]: 5: Hoare triple {35541#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {35541#true} is VALID [2022-04-28 10:25:19,705 INFO L290 TraceCheckUtils]: 6: Hoare triple {35541#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {35541#true} is VALID [2022-04-28 10:25:19,705 INFO L290 TraceCheckUtils]: 7: Hoare triple {35541#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {35546#(= main_~z~0 0)} is VALID [2022-04-28 10:25:19,705 INFO L290 TraceCheckUtils]: 8: Hoare triple {35546#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35547#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:25:19,706 INFO L290 TraceCheckUtils]: 9: Hoare triple {35547#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35548#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:25:19,706 INFO L290 TraceCheckUtils]: 10: Hoare triple {35548#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35549#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:25:19,707 INFO L290 TraceCheckUtils]: 11: Hoare triple {35549#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35550#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:25:19,707 INFO L290 TraceCheckUtils]: 12: Hoare triple {35550#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35551#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:25:19,708 INFO L290 TraceCheckUtils]: 13: Hoare triple {35551#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35552#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:25:19,708 INFO L290 TraceCheckUtils]: 14: Hoare triple {35552#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35553#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:25:19,708 INFO L290 TraceCheckUtils]: 15: Hoare triple {35553#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35554#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:25:19,709 INFO L290 TraceCheckUtils]: 16: Hoare triple {35554#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35555#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:25:19,709 INFO L290 TraceCheckUtils]: 17: Hoare triple {35555#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35556#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:25:19,710 INFO L290 TraceCheckUtils]: 18: Hoare triple {35556#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35557#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:25:19,710 INFO L290 TraceCheckUtils]: 19: Hoare triple {35557#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35558#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:25:19,711 INFO L290 TraceCheckUtils]: 20: Hoare triple {35558#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35559#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:25:19,711 INFO L290 TraceCheckUtils]: 21: Hoare triple {35559#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35560#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:25:19,712 INFO L290 TraceCheckUtils]: 22: Hoare triple {35560#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35561#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:25:19,712 INFO L290 TraceCheckUtils]: 23: Hoare triple {35561#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35562#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:25:19,712 INFO L290 TraceCheckUtils]: 24: Hoare triple {35562#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35563#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:25:19,713 INFO L290 TraceCheckUtils]: 25: Hoare triple {35563#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35564#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:25:19,713 INFO L290 TraceCheckUtils]: 26: Hoare triple {35564#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35565#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:25:19,714 INFO L290 TraceCheckUtils]: 27: Hoare triple {35565#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35566#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 10:25:19,714 INFO L290 TraceCheckUtils]: 28: Hoare triple {35566#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35567#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 10:25:19,715 INFO L290 TraceCheckUtils]: 29: Hoare triple {35567#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35568#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 10:25:19,715 INFO L290 TraceCheckUtils]: 30: Hoare triple {35568#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35569#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 10:25:19,716 INFO L290 TraceCheckUtils]: 31: Hoare triple {35569#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35570#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 10:25:19,716 INFO L290 TraceCheckUtils]: 32: Hoare triple {35570#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35571#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 10:25:19,717 INFO L290 TraceCheckUtils]: 33: Hoare triple {35571#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35572#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 10:25:19,717 INFO L290 TraceCheckUtils]: 34: Hoare triple {35572#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35573#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 10:25:19,717 INFO L290 TraceCheckUtils]: 35: Hoare triple {35573#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35574#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 10:25:19,718 INFO L290 TraceCheckUtils]: 36: Hoare triple {35574#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35575#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 10:25:19,718 INFO L290 TraceCheckUtils]: 37: Hoare triple {35575#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35576#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 10:25:19,719 INFO L290 TraceCheckUtils]: 38: Hoare triple {35576#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35577#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 10:25:19,719 INFO L290 TraceCheckUtils]: 39: Hoare triple {35577#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35578#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 10:25:19,720 INFO L290 TraceCheckUtils]: 40: Hoare triple {35578#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35579#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 10:25:19,720 INFO L290 TraceCheckUtils]: 41: Hoare triple {35579#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35580#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 10:25:19,721 INFO L290 TraceCheckUtils]: 42: Hoare triple {35580#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35581#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 10:25:19,721 INFO L290 TraceCheckUtils]: 43: Hoare triple {35581#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35582#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 10:25:19,721 INFO L290 TraceCheckUtils]: 44: Hoare triple {35582#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35583#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 10:25:19,722 INFO L290 TraceCheckUtils]: 45: Hoare triple {35583#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35584#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 10:25:19,722 INFO L290 TraceCheckUtils]: 46: Hoare triple {35584#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35585#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 10:25:19,723 INFO L290 TraceCheckUtils]: 47: Hoare triple {35585#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35586#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 10:25:19,723 INFO L290 TraceCheckUtils]: 48: Hoare triple {35586#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35587#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 10:25:19,724 INFO L290 TraceCheckUtils]: 49: Hoare triple {35587#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35588#(and (<= 42 main_~z~0) (<= main_~z~0 42))} is VALID [2022-04-28 10:25:19,724 INFO L290 TraceCheckUtils]: 50: Hoare triple {35588#(and (<= 42 main_~z~0) (<= main_~z~0 42))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35589#(and (<= main_~z~0 43) (<= 43 main_~z~0))} is VALID [2022-04-28 10:25:19,725 INFO L290 TraceCheckUtils]: 51: Hoare triple {35589#(and (<= main_~z~0 43) (<= 43 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35590#(and (<= main_~z~0 44) (<= 44 main_~z~0))} is VALID [2022-04-28 10:25:19,725 INFO L290 TraceCheckUtils]: 52: Hoare triple {35590#(and (<= main_~z~0 44) (<= 44 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35591#(and (<= main_~z~0 45) (<= 45 main_~z~0))} is VALID [2022-04-28 10:25:19,726 INFO L290 TraceCheckUtils]: 53: Hoare triple {35591#(and (<= main_~z~0 45) (<= 45 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35592#(and (<= 46 main_~z~0) (<= main_~z~0 46))} is VALID [2022-04-28 10:25:19,726 INFO L290 TraceCheckUtils]: 54: Hoare triple {35592#(and (<= 46 main_~z~0) (<= main_~z~0 46))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35593#(and (<= main_~z~0 47) (<= 47 main_~z~0))} is VALID [2022-04-28 10:25:19,726 INFO L290 TraceCheckUtils]: 55: Hoare triple {35593#(and (<= main_~z~0 47) (<= 47 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35594#(and (<= 48 main_~z~0) (<= main_~z~0 48))} is VALID [2022-04-28 10:25:19,727 INFO L290 TraceCheckUtils]: 56: Hoare triple {35594#(and (<= 48 main_~z~0) (<= main_~z~0 48))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35595#(and (<= 49 main_~z~0) (<= main_~z~0 49))} is VALID [2022-04-28 10:25:19,727 INFO L290 TraceCheckUtils]: 57: Hoare triple {35595#(and (<= 49 main_~z~0) (<= main_~z~0 49))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35772#(and (<= 50 main_~z~0) (<= main_~z~0 50))} is VALID [2022-04-28 10:25:19,728 INFO L290 TraceCheckUtils]: 58: Hoare triple {35772#(and (<= 50 main_~z~0) (<= main_~z~0 50))} assume !(~z~0 % 4294967296 < 268435455); {35542#false} is VALID [2022-04-28 10:25:19,728 INFO L272 TraceCheckUtils]: 59: Hoare triple {35542#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {35542#false} is VALID [2022-04-28 10:25:19,728 INFO L290 TraceCheckUtils]: 60: Hoare triple {35542#false} ~cond := #in~cond; {35542#false} is VALID [2022-04-28 10:25:19,728 INFO L290 TraceCheckUtils]: 61: Hoare triple {35542#false} assume 0 == ~cond; {35542#false} is VALID [2022-04-28 10:25:19,728 INFO L290 TraceCheckUtils]: 62: Hoare triple {35542#false} assume !false; {35542#false} is VALID [2022-04-28 10:25:19,729 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:25:19,729 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 10:25:23,411 INFO L290 TraceCheckUtils]: 62: Hoare triple {35542#false} assume !false; {35542#false} is VALID [2022-04-28 10:25:23,411 INFO L290 TraceCheckUtils]: 61: Hoare triple {35542#false} assume 0 == ~cond; {35542#false} is VALID [2022-04-28 10:25:23,411 INFO L290 TraceCheckUtils]: 60: Hoare triple {35542#false} ~cond := #in~cond; {35542#false} is VALID [2022-04-28 10:25:23,411 INFO L272 TraceCheckUtils]: 59: Hoare triple {35542#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {35542#false} is VALID [2022-04-28 10:25:23,412 INFO L290 TraceCheckUtils]: 58: Hoare triple {35800#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {35542#false} is VALID [2022-04-28 10:25:23,412 INFO L290 TraceCheckUtils]: 57: Hoare triple {35804#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35800#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 10:25:23,413 INFO L290 TraceCheckUtils]: 56: Hoare triple {35808#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35804#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 10:25:23,414 INFO L290 TraceCheckUtils]: 55: Hoare triple {35812#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35808#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 10:25:23,414 INFO L290 TraceCheckUtils]: 54: Hoare triple {35816#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35812#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 10:25:23,415 INFO L290 TraceCheckUtils]: 53: Hoare triple {35820#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35816#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 10:25:23,415 INFO L290 TraceCheckUtils]: 52: Hoare triple {35824#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35820#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:25:23,416 INFO L290 TraceCheckUtils]: 51: Hoare triple {35828#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35824#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} is VALID [2022-04-28 10:25:23,416 INFO L290 TraceCheckUtils]: 50: Hoare triple {35832#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35828#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:25:23,417 INFO L290 TraceCheckUtils]: 49: Hoare triple {35836#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35832#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} is VALID [2022-04-28 10:25:23,418 INFO L290 TraceCheckUtils]: 48: Hoare triple {35840#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35836#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} is VALID [2022-04-28 10:25:23,418 INFO L290 TraceCheckUtils]: 47: Hoare triple {35844#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35840#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} is VALID [2022-04-28 10:25:23,419 INFO L290 TraceCheckUtils]: 46: Hoare triple {35848#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35844#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} is VALID [2022-04-28 10:25:23,419 INFO L290 TraceCheckUtils]: 45: Hoare triple {35852#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35848#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} is VALID [2022-04-28 10:25:23,420 INFO L290 TraceCheckUtils]: 44: Hoare triple {35856#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35852#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} is VALID [2022-04-28 10:25:23,420 INFO L290 TraceCheckUtils]: 43: Hoare triple {35860#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35856#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} is VALID [2022-04-28 10:25:23,421 INFO L290 TraceCheckUtils]: 42: Hoare triple {35864#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35860#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} is VALID [2022-04-28 10:25:23,421 INFO L290 TraceCheckUtils]: 41: Hoare triple {35868#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35864#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} is VALID [2022-04-28 10:25:23,422 INFO L290 TraceCheckUtils]: 40: Hoare triple {35872#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35868#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} is VALID [2022-04-28 10:25:23,423 INFO L290 TraceCheckUtils]: 39: Hoare triple {35876#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35872#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} is VALID [2022-04-28 10:25:23,423 INFO L290 TraceCheckUtils]: 38: Hoare triple {35880#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35876#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:25:23,424 INFO L290 TraceCheckUtils]: 37: Hoare triple {35884#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35880#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} is VALID [2022-04-28 10:25:23,424 INFO L290 TraceCheckUtils]: 36: Hoare triple {35888#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35884#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} is VALID [2022-04-28 10:25:23,425 INFO L290 TraceCheckUtils]: 35: Hoare triple {35892#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35888#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} is VALID [2022-04-28 10:25:23,425 INFO L290 TraceCheckUtils]: 34: Hoare triple {35896#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35892#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:25:23,426 INFO L290 TraceCheckUtils]: 33: Hoare triple {35900#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35896#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} is VALID [2022-04-28 10:25:23,426 INFO L290 TraceCheckUtils]: 32: Hoare triple {35904#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35900#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} is VALID [2022-04-28 10:25:23,427 INFO L290 TraceCheckUtils]: 31: Hoare triple {35908#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35904#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} is VALID [2022-04-28 10:25:23,428 INFO L290 TraceCheckUtils]: 30: Hoare triple {35912#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35908#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} is VALID [2022-04-28 10:25:23,428 INFO L290 TraceCheckUtils]: 29: Hoare triple {35916#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35912#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} is VALID [2022-04-28 10:25:23,429 INFO L290 TraceCheckUtils]: 28: Hoare triple {35920#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35916#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:25:23,429 INFO L290 TraceCheckUtils]: 27: Hoare triple {35924#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35920#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:25:23,430 INFO L290 TraceCheckUtils]: 26: Hoare triple {35928#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35924#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} is VALID [2022-04-28 10:25:23,430 INFO L290 TraceCheckUtils]: 25: Hoare triple {35932#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35928#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:25:23,431 INFO L290 TraceCheckUtils]: 24: Hoare triple {35936#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35932#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} is VALID [2022-04-28 10:25:23,431 INFO L290 TraceCheckUtils]: 23: Hoare triple {35940#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35936#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} is VALID [2022-04-28 10:25:23,432 INFO L290 TraceCheckUtils]: 22: Hoare triple {35944#(< (mod (+ main_~z~0 36) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35940#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:25:23,433 INFO L290 TraceCheckUtils]: 21: Hoare triple {35948#(< (mod (+ main_~z~0 37) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35944#(< (mod (+ main_~z~0 36) 4294967296) 268435455)} is VALID [2022-04-28 10:25:23,433 INFO L290 TraceCheckUtils]: 20: Hoare triple {35952#(< (mod (+ main_~z~0 38) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35948#(< (mod (+ main_~z~0 37) 4294967296) 268435455)} is VALID [2022-04-28 10:25:23,434 INFO L290 TraceCheckUtils]: 19: Hoare triple {35956#(< (mod (+ main_~z~0 39) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35952#(< (mod (+ main_~z~0 38) 4294967296) 268435455)} is VALID [2022-04-28 10:25:23,434 INFO L290 TraceCheckUtils]: 18: Hoare triple {35960#(< (mod (+ 40 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35956#(< (mod (+ main_~z~0 39) 4294967296) 268435455)} is VALID [2022-04-28 10:25:23,435 INFO L290 TraceCheckUtils]: 17: Hoare triple {35964#(< (mod (+ 41 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35960#(< (mod (+ 40 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:25:23,435 INFO L290 TraceCheckUtils]: 16: Hoare triple {35968#(< (mod (+ 42 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35964#(< (mod (+ 41 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:25:23,436 INFO L290 TraceCheckUtils]: 15: Hoare triple {35972#(< (mod (+ main_~z~0 43) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35968#(< (mod (+ 42 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:25:23,436 INFO L290 TraceCheckUtils]: 14: Hoare triple {35976#(< (mod (+ 44 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35972#(< (mod (+ main_~z~0 43) 4294967296) 268435455)} is VALID [2022-04-28 10:25:23,437 INFO L290 TraceCheckUtils]: 13: Hoare triple {35980#(< (mod (+ main_~z~0 45) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35976#(< (mod (+ 44 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:25:23,438 INFO L290 TraceCheckUtils]: 12: Hoare triple {35984#(< (mod (+ main_~z~0 46) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35980#(< (mod (+ main_~z~0 45) 4294967296) 268435455)} is VALID [2022-04-28 10:25:23,438 INFO L290 TraceCheckUtils]: 11: Hoare triple {35988#(< (mod (+ main_~z~0 47) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35984#(< (mod (+ main_~z~0 46) 4294967296) 268435455)} is VALID [2022-04-28 10:25:23,439 INFO L290 TraceCheckUtils]: 10: Hoare triple {35992#(< (mod (+ main_~z~0 48) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35988#(< (mod (+ main_~z~0 47) 4294967296) 268435455)} is VALID [2022-04-28 10:25:23,439 INFO L290 TraceCheckUtils]: 9: Hoare triple {35996#(< (mod (+ 49 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35992#(< (mod (+ main_~z~0 48) 4294967296) 268435455)} is VALID [2022-04-28 10:25:23,440 INFO L290 TraceCheckUtils]: 8: Hoare triple {36000#(< (mod (+ main_~z~0 50) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {35996#(< (mod (+ 49 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:25:23,440 INFO L290 TraceCheckUtils]: 7: Hoare triple {35541#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {36000#(< (mod (+ main_~z~0 50) 4294967296) 268435455)} is VALID [2022-04-28 10:25:23,440 INFO L290 TraceCheckUtils]: 6: Hoare triple {35541#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {35541#true} is VALID [2022-04-28 10:25:23,440 INFO L290 TraceCheckUtils]: 5: Hoare triple {35541#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {35541#true} is VALID [2022-04-28 10:25:23,440 INFO L272 TraceCheckUtils]: 4: Hoare triple {35541#true} call #t~ret7 := main(); {35541#true} is VALID [2022-04-28 10:25:23,440 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {35541#true} {35541#true} #63#return; {35541#true} is VALID [2022-04-28 10:25:23,441 INFO L290 TraceCheckUtils]: 2: Hoare triple {35541#true} assume true; {35541#true} is VALID [2022-04-28 10:25:23,441 INFO L290 TraceCheckUtils]: 1: Hoare triple {35541#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {35541#true} is VALID [2022-04-28 10:25:23,441 INFO L272 TraceCheckUtils]: 0: Hoare triple {35541#true} call ULTIMATE.init(); {35541#true} is VALID [2022-04-28 10:25:23,441 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:25:23,441 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2020787481] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 10:25:23,441 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 10:25:23,441 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [54, 53, 53] total 106 [2022-04-28 10:25:23,441 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 10:25:23,441 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1631779118] [2022-04-28 10:25:23,442 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1631779118] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 10:25:23,442 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 10:25:23,442 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [54] imperfect sequences [] total 54 [2022-04-28 10:25:23,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655783295] [2022-04-28 10:25:23,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 10:25:23,442 INFO L78 Accepts]: Start accepts. Automaton has has 54 states, 54 states have (on average 1.0925925925925926) internal successors, (59), 53 states have internal predecessors, (59), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 63 [2022-04-28 10:25:23,442 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 10:25:23,442 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 54 states, 54 states have (on average 1.0925925925925926) internal successors, (59), 53 states have internal predecessors, (59), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:25:23,486 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 63 edges. 63 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:25:23,486 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2022-04-28 10:25:23,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 10:25:23,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2022-04-28 10:25:23,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2912, Invalid=8218, Unknown=0, NotChecked=0, Total=11130 [2022-04-28 10:25:23,487 INFO L87 Difference]: Start difference. First operand 72 states and 76 transitions. Second operand has 54 states, 54 states have (on average 1.0925925925925926) internal successors, (59), 53 states have internal predecessors, (59), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:25:29,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:25:29,200 INFO L93 Difference]: Finished difference Result 139 states and 148 transitions. [2022-04-28 10:25:29,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-04-28 10:25:29,200 INFO L78 Accepts]: Start accepts. Automaton has has 54 states, 54 states have (on average 1.0925925925925926) internal successors, (59), 53 states have internal predecessors, (59), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 63 [2022-04-28 10:25:29,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 10:25:29,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 54 states have (on average 1.0925925925925926) internal successors, (59), 53 states have internal predecessors, (59), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:25:29,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 96 transitions. [2022-04-28 10:25:29,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 54 states have (on average 1.0925925925925926) internal successors, (59), 53 states have internal predecessors, (59), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:25:29,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 96 transitions. [2022-04-28 10:25:29,203 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 54 states and 96 transitions. [2022-04-28 10:25:29,283 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 96 edges. 96 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:25:29,284 INFO L225 Difference]: With dead ends: 139 [2022-04-28 10:25:29,284 INFO L226 Difference]: Without dead ends: 74 [2022-04-28 10:25:29,286 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 77 SyntacticMatches, 1 SemanticMatches, 155 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1381 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=5817, Invalid=18675, Unknown=0, NotChecked=0, Total=24492 [2022-04-28 10:25:29,287 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 17 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 3419 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 3526 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 3419 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-04-28 10:25:29,287 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 278 Invalid, 3526 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 3419 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-04-28 10:25:29,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2022-04-28 10:25:29,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 73. [2022-04-28 10:25:29,353 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 10:25:29,353 INFO L82 GeneralOperation]: Start isEquivalent. First operand 74 states. Second operand has 73 states, 65 states have (on average 1.0615384615384615) internal successors, (69), 66 states have internal predecessors, (69), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:25:29,354 INFO L74 IsIncluded]: Start isIncluded. First operand 74 states. Second operand has 73 states, 65 states have (on average 1.0615384615384615) internal successors, (69), 66 states have internal predecessors, (69), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:25:29,354 INFO L87 Difference]: Start difference. First operand 74 states. Second operand has 73 states, 65 states have (on average 1.0615384615384615) internal successors, (69), 66 states have internal predecessors, (69), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:25:29,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:25:29,354 INFO L93 Difference]: Finished difference Result 74 states and 78 transitions. [2022-04-28 10:25:29,354 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 78 transitions. [2022-04-28 10:25:29,355 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:25:29,355 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:25:29,355 INFO L74 IsIncluded]: Start isIncluded. First operand has 73 states, 65 states have (on average 1.0615384615384615) internal successors, (69), 66 states have internal predecessors, (69), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 74 states. [2022-04-28 10:25:29,355 INFO L87 Difference]: Start difference. First operand has 73 states, 65 states have (on average 1.0615384615384615) internal successors, (69), 66 states have internal predecessors, (69), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 74 states. [2022-04-28 10:25:29,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:25:29,355 INFO L93 Difference]: Finished difference Result 74 states and 78 transitions. [2022-04-28 10:25:29,355 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 78 transitions. [2022-04-28 10:25:29,356 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:25:29,356 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:25:29,356 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 10:25:29,356 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 10:25:29,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 65 states have (on average 1.0615384615384615) internal successors, (69), 66 states have internal predecessors, (69), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:25:29,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 77 transitions. [2022-04-28 10:25:29,356 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 77 transitions. Word has length 63 [2022-04-28 10:25:29,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 10:25:29,357 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 77 transitions. [2022-04-28 10:25:29,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 1.0925925925925926) internal successors, (59), 53 states have internal predecessors, (59), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:25:29,357 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 73 states and 77 transitions. [2022-04-28 10:25:29,435 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 77 edges. 77 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:25:29,435 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 77 transitions. [2022-04-28 10:25:29,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-04-28 10:25:29,436 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 10:25:29,436 INFO L195 NwaCegarLoop]: trace histogram [51, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 10:25:29,452 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Forceful destruction successful, exit code 0 [2022-04-28 10:25:29,636 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 51 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable53 [2022-04-28 10:25:29,636 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 10:25:29,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 10:25:29,637 INFO L85 PathProgramCache]: Analyzing trace with hash 753432930, now seen corresponding path program 101 times [2022-04-28 10:25:29,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 10:25:29,637 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [2134718405] [2022-04-28 10:25:29,639 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-28 10:25:29,639 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-28 10:25:29,639 INFO L85 PathProgramCache]: Analyzing trace with hash 753432930, now seen corresponding path program 102 times [2022-04-28 10:25:29,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 10:25:29,639 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136544366] [2022-04-28 10:25:29,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 10:25:29,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 10:25:29,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:25:30,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 10:25:30,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:25:30,923 INFO L290 TraceCheckUtils]: 0: Hoare triple {36759#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {36702#true} is VALID [2022-04-28 10:25:30,923 INFO L290 TraceCheckUtils]: 1: Hoare triple {36702#true} assume true; {36702#true} is VALID [2022-04-28 10:25:30,923 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {36702#true} {36702#true} #63#return; {36702#true} is VALID [2022-04-28 10:25:30,924 INFO L272 TraceCheckUtils]: 0: Hoare triple {36702#true} call ULTIMATE.init(); {36759#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 10:25:30,924 INFO L290 TraceCheckUtils]: 1: Hoare triple {36759#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {36702#true} is VALID [2022-04-28 10:25:30,924 INFO L290 TraceCheckUtils]: 2: Hoare triple {36702#true} assume true; {36702#true} is VALID [2022-04-28 10:25:30,924 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {36702#true} {36702#true} #63#return; {36702#true} is VALID [2022-04-28 10:25:30,924 INFO L272 TraceCheckUtils]: 4: Hoare triple {36702#true} call #t~ret7 := main(); {36702#true} is VALID [2022-04-28 10:25:30,924 INFO L290 TraceCheckUtils]: 5: Hoare triple {36702#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {36702#true} is VALID [2022-04-28 10:25:30,924 INFO L290 TraceCheckUtils]: 6: Hoare triple {36702#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {36702#true} is VALID [2022-04-28 10:25:30,924 INFO L290 TraceCheckUtils]: 7: Hoare triple {36702#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {36707#(= main_~z~0 0)} is VALID [2022-04-28 10:25:30,925 INFO L290 TraceCheckUtils]: 8: Hoare triple {36707#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36708#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:25:30,925 INFO L290 TraceCheckUtils]: 9: Hoare triple {36708#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36709#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:25:30,926 INFO L290 TraceCheckUtils]: 10: Hoare triple {36709#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36710#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:25:30,926 INFO L290 TraceCheckUtils]: 11: Hoare triple {36710#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36711#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:25:30,927 INFO L290 TraceCheckUtils]: 12: Hoare triple {36711#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36712#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:25:30,927 INFO L290 TraceCheckUtils]: 13: Hoare triple {36712#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36713#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:25:30,927 INFO L290 TraceCheckUtils]: 14: Hoare triple {36713#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36714#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:25:30,928 INFO L290 TraceCheckUtils]: 15: Hoare triple {36714#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36715#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:25:30,928 INFO L290 TraceCheckUtils]: 16: Hoare triple {36715#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36716#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:25:30,929 INFO L290 TraceCheckUtils]: 17: Hoare triple {36716#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36717#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:25:30,929 INFO L290 TraceCheckUtils]: 18: Hoare triple {36717#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36718#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:25:30,930 INFO L290 TraceCheckUtils]: 19: Hoare triple {36718#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36719#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:25:30,930 INFO L290 TraceCheckUtils]: 20: Hoare triple {36719#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36720#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:25:30,931 INFO L290 TraceCheckUtils]: 21: Hoare triple {36720#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36721#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:25:30,931 INFO L290 TraceCheckUtils]: 22: Hoare triple {36721#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36722#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:25:30,932 INFO L290 TraceCheckUtils]: 23: Hoare triple {36722#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36723#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:25:30,932 INFO L290 TraceCheckUtils]: 24: Hoare triple {36723#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36724#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:25:30,932 INFO L290 TraceCheckUtils]: 25: Hoare triple {36724#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36725#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:25:30,933 INFO L290 TraceCheckUtils]: 26: Hoare triple {36725#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36726#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:25:30,933 INFO L290 TraceCheckUtils]: 27: Hoare triple {36726#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36727#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 10:25:30,934 INFO L290 TraceCheckUtils]: 28: Hoare triple {36727#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36728#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 10:25:30,934 INFO L290 TraceCheckUtils]: 29: Hoare triple {36728#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36729#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 10:25:30,935 INFO L290 TraceCheckUtils]: 30: Hoare triple {36729#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36730#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 10:25:30,935 INFO L290 TraceCheckUtils]: 31: Hoare triple {36730#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36731#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 10:25:30,936 INFO L290 TraceCheckUtils]: 32: Hoare triple {36731#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36732#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 10:25:30,936 INFO L290 TraceCheckUtils]: 33: Hoare triple {36732#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36733#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 10:25:30,937 INFO L290 TraceCheckUtils]: 34: Hoare triple {36733#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36734#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 10:25:30,937 INFO L290 TraceCheckUtils]: 35: Hoare triple {36734#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36735#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 10:25:30,938 INFO L290 TraceCheckUtils]: 36: Hoare triple {36735#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36736#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 10:25:30,938 INFO L290 TraceCheckUtils]: 37: Hoare triple {36736#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36737#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 10:25:30,938 INFO L290 TraceCheckUtils]: 38: Hoare triple {36737#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36738#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 10:25:30,939 INFO L290 TraceCheckUtils]: 39: Hoare triple {36738#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36739#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 10:25:30,939 INFO L290 TraceCheckUtils]: 40: Hoare triple {36739#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36740#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 10:25:30,940 INFO L290 TraceCheckUtils]: 41: Hoare triple {36740#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36741#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 10:25:30,940 INFO L290 TraceCheckUtils]: 42: Hoare triple {36741#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36742#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 10:25:30,941 INFO L290 TraceCheckUtils]: 43: Hoare triple {36742#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36743#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 10:25:30,941 INFO L290 TraceCheckUtils]: 44: Hoare triple {36743#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36744#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 10:25:30,942 INFO L290 TraceCheckUtils]: 45: Hoare triple {36744#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36745#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 10:25:30,942 INFO L290 TraceCheckUtils]: 46: Hoare triple {36745#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36746#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 10:25:30,943 INFO L290 TraceCheckUtils]: 47: Hoare triple {36746#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36747#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 10:25:30,943 INFO L290 TraceCheckUtils]: 48: Hoare triple {36747#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36748#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 10:25:30,943 INFO L290 TraceCheckUtils]: 49: Hoare triple {36748#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36749#(and (<= 42 main_~z~0) (<= main_~z~0 42))} is VALID [2022-04-28 10:25:30,944 INFO L290 TraceCheckUtils]: 50: Hoare triple {36749#(and (<= 42 main_~z~0) (<= main_~z~0 42))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36750#(and (<= main_~z~0 43) (<= 43 main_~z~0))} is VALID [2022-04-28 10:25:30,944 INFO L290 TraceCheckUtils]: 51: Hoare triple {36750#(and (<= main_~z~0 43) (<= 43 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36751#(and (<= main_~z~0 44) (<= 44 main_~z~0))} is VALID [2022-04-28 10:25:30,945 INFO L290 TraceCheckUtils]: 52: Hoare triple {36751#(and (<= main_~z~0 44) (<= 44 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36752#(and (<= main_~z~0 45) (<= 45 main_~z~0))} is VALID [2022-04-28 10:25:30,945 INFO L290 TraceCheckUtils]: 53: Hoare triple {36752#(and (<= main_~z~0 45) (<= 45 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36753#(and (<= 46 main_~z~0) (<= main_~z~0 46))} is VALID [2022-04-28 10:25:30,946 INFO L290 TraceCheckUtils]: 54: Hoare triple {36753#(and (<= 46 main_~z~0) (<= main_~z~0 46))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36754#(and (<= main_~z~0 47) (<= 47 main_~z~0))} is VALID [2022-04-28 10:25:30,946 INFO L290 TraceCheckUtils]: 55: Hoare triple {36754#(and (<= main_~z~0 47) (<= 47 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36755#(and (<= 48 main_~z~0) (<= main_~z~0 48))} is VALID [2022-04-28 10:25:30,947 INFO L290 TraceCheckUtils]: 56: Hoare triple {36755#(and (<= 48 main_~z~0) (<= main_~z~0 48))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36756#(and (<= 49 main_~z~0) (<= main_~z~0 49))} is VALID [2022-04-28 10:25:30,947 INFO L290 TraceCheckUtils]: 57: Hoare triple {36756#(and (<= 49 main_~z~0) (<= main_~z~0 49))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36757#(and (<= 50 main_~z~0) (<= main_~z~0 50))} is VALID [2022-04-28 10:25:30,948 INFO L290 TraceCheckUtils]: 58: Hoare triple {36757#(and (<= 50 main_~z~0) (<= main_~z~0 50))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36758#(and (<= main_~z~0 51) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} is VALID [2022-04-28 10:25:30,948 INFO L290 TraceCheckUtils]: 59: Hoare triple {36758#(and (<= main_~z~0 51) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} assume !(~z~0 % 4294967296 < 268435455); {36703#false} is VALID [2022-04-28 10:25:30,948 INFO L272 TraceCheckUtils]: 60: Hoare triple {36703#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {36703#false} is VALID [2022-04-28 10:25:30,948 INFO L290 TraceCheckUtils]: 61: Hoare triple {36703#false} ~cond := #in~cond; {36703#false} is VALID [2022-04-28 10:25:30,948 INFO L290 TraceCheckUtils]: 62: Hoare triple {36703#false} assume 0 == ~cond; {36703#false} is VALID [2022-04-28 10:25:30,949 INFO L290 TraceCheckUtils]: 63: Hoare triple {36703#false} assume !false; {36703#false} is VALID [2022-04-28 10:25:30,949 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:25:30,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 10:25:30,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136544366] [2022-04-28 10:25:30,949 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136544366] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 10:25:30,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1228141239] [2022-04-28 10:25:30,950 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-04-28 10:25:30,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:25:30,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 10:25:30,950 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 10:25:30,951 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Waiting until timeout for monitored process [2022-04-28 10:25:47,678 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 27 check-sat command(s) [2022-04-28 10:25:47,678 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 10:25:47,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 105 conjunts are in the unsatisfiable core [2022-04-28 10:25:47,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:25:47,711 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 10:25:48,290 INFO L272 TraceCheckUtils]: 0: Hoare triple {36702#true} call ULTIMATE.init(); {36702#true} is VALID [2022-04-28 10:25:48,290 INFO L290 TraceCheckUtils]: 1: Hoare triple {36702#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {36702#true} is VALID [2022-04-28 10:25:48,290 INFO L290 TraceCheckUtils]: 2: Hoare triple {36702#true} assume true; {36702#true} is VALID [2022-04-28 10:25:48,290 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {36702#true} {36702#true} #63#return; {36702#true} is VALID [2022-04-28 10:25:48,290 INFO L272 TraceCheckUtils]: 4: Hoare triple {36702#true} call #t~ret7 := main(); {36702#true} is VALID [2022-04-28 10:25:48,290 INFO L290 TraceCheckUtils]: 5: Hoare triple {36702#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {36702#true} is VALID [2022-04-28 10:25:48,291 INFO L290 TraceCheckUtils]: 6: Hoare triple {36702#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {36702#true} is VALID [2022-04-28 10:25:48,294 INFO L290 TraceCheckUtils]: 7: Hoare triple {36702#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {36707#(= main_~z~0 0)} is VALID [2022-04-28 10:25:48,294 INFO L290 TraceCheckUtils]: 8: Hoare triple {36707#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36708#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:25:48,295 INFO L290 TraceCheckUtils]: 9: Hoare triple {36708#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36709#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:25:48,295 INFO L290 TraceCheckUtils]: 10: Hoare triple {36709#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36710#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:25:48,296 INFO L290 TraceCheckUtils]: 11: Hoare triple {36710#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36711#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:25:48,296 INFO L290 TraceCheckUtils]: 12: Hoare triple {36711#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36712#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:25:48,297 INFO L290 TraceCheckUtils]: 13: Hoare triple {36712#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36713#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:25:48,297 INFO L290 TraceCheckUtils]: 14: Hoare triple {36713#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36714#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:25:48,298 INFO L290 TraceCheckUtils]: 15: Hoare triple {36714#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36715#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:25:48,298 INFO L290 TraceCheckUtils]: 16: Hoare triple {36715#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36716#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:25:48,299 INFO L290 TraceCheckUtils]: 17: Hoare triple {36716#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36717#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:25:48,299 INFO L290 TraceCheckUtils]: 18: Hoare triple {36717#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36718#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:25:48,299 INFO L290 TraceCheckUtils]: 19: Hoare triple {36718#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36719#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:25:48,300 INFO L290 TraceCheckUtils]: 20: Hoare triple {36719#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36720#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:25:48,300 INFO L290 TraceCheckUtils]: 21: Hoare triple {36720#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36721#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:25:48,301 INFO L290 TraceCheckUtils]: 22: Hoare triple {36721#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36722#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:25:48,301 INFO L290 TraceCheckUtils]: 23: Hoare triple {36722#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36723#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:25:48,302 INFO L290 TraceCheckUtils]: 24: Hoare triple {36723#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36724#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:25:48,302 INFO L290 TraceCheckUtils]: 25: Hoare triple {36724#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36725#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:25:48,303 INFO L290 TraceCheckUtils]: 26: Hoare triple {36725#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36726#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:25:48,303 INFO L290 TraceCheckUtils]: 27: Hoare triple {36726#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36727#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 10:25:48,304 INFO L290 TraceCheckUtils]: 28: Hoare triple {36727#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36728#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 10:25:48,304 INFO L290 TraceCheckUtils]: 29: Hoare triple {36728#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36729#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 10:25:48,304 INFO L290 TraceCheckUtils]: 30: Hoare triple {36729#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36730#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 10:25:48,305 INFO L290 TraceCheckUtils]: 31: Hoare triple {36730#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36731#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 10:25:48,305 INFO L290 TraceCheckUtils]: 32: Hoare triple {36731#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36732#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 10:25:48,306 INFO L290 TraceCheckUtils]: 33: Hoare triple {36732#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36733#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 10:25:48,306 INFO L290 TraceCheckUtils]: 34: Hoare triple {36733#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36734#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 10:25:48,307 INFO L290 TraceCheckUtils]: 35: Hoare triple {36734#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36735#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 10:25:48,307 INFO L290 TraceCheckUtils]: 36: Hoare triple {36735#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36736#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 10:25:48,308 INFO L290 TraceCheckUtils]: 37: Hoare triple {36736#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36737#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 10:25:48,308 INFO L290 TraceCheckUtils]: 38: Hoare triple {36737#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36738#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 10:25:48,308 INFO L290 TraceCheckUtils]: 39: Hoare triple {36738#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36739#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 10:25:48,309 INFO L290 TraceCheckUtils]: 40: Hoare triple {36739#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36740#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 10:25:48,309 INFO L290 TraceCheckUtils]: 41: Hoare triple {36740#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36741#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 10:25:48,310 INFO L290 TraceCheckUtils]: 42: Hoare triple {36741#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36742#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 10:25:48,310 INFO L290 TraceCheckUtils]: 43: Hoare triple {36742#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36743#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 10:25:48,311 INFO L290 TraceCheckUtils]: 44: Hoare triple {36743#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36744#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 10:25:48,311 INFO L290 TraceCheckUtils]: 45: Hoare triple {36744#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36745#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 10:25:48,312 INFO L290 TraceCheckUtils]: 46: Hoare triple {36745#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36746#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 10:25:48,312 INFO L290 TraceCheckUtils]: 47: Hoare triple {36746#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36747#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 10:25:48,312 INFO L290 TraceCheckUtils]: 48: Hoare triple {36747#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36748#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 10:25:48,313 INFO L290 TraceCheckUtils]: 49: Hoare triple {36748#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36749#(and (<= 42 main_~z~0) (<= main_~z~0 42))} is VALID [2022-04-28 10:25:48,313 INFO L290 TraceCheckUtils]: 50: Hoare triple {36749#(and (<= 42 main_~z~0) (<= main_~z~0 42))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36750#(and (<= main_~z~0 43) (<= 43 main_~z~0))} is VALID [2022-04-28 10:25:48,314 INFO L290 TraceCheckUtils]: 51: Hoare triple {36750#(and (<= main_~z~0 43) (<= 43 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36751#(and (<= main_~z~0 44) (<= 44 main_~z~0))} is VALID [2022-04-28 10:25:48,314 INFO L290 TraceCheckUtils]: 52: Hoare triple {36751#(and (<= main_~z~0 44) (<= 44 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36752#(and (<= main_~z~0 45) (<= 45 main_~z~0))} is VALID [2022-04-28 10:25:48,315 INFO L290 TraceCheckUtils]: 53: Hoare triple {36752#(and (<= main_~z~0 45) (<= 45 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36753#(and (<= 46 main_~z~0) (<= main_~z~0 46))} is VALID [2022-04-28 10:25:48,315 INFO L290 TraceCheckUtils]: 54: Hoare triple {36753#(and (<= 46 main_~z~0) (<= main_~z~0 46))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36754#(and (<= main_~z~0 47) (<= 47 main_~z~0))} is VALID [2022-04-28 10:25:48,316 INFO L290 TraceCheckUtils]: 55: Hoare triple {36754#(and (<= main_~z~0 47) (<= 47 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36755#(and (<= 48 main_~z~0) (<= main_~z~0 48))} is VALID [2022-04-28 10:25:48,316 INFO L290 TraceCheckUtils]: 56: Hoare triple {36755#(and (<= 48 main_~z~0) (<= main_~z~0 48))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36756#(and (<= 49 main_~z~0) (<= main_~z~0 49))} is VALID [2022-04-28 10:25:48,317 INFO L290 TraceCheckUtils]: 57: Hoare triple {36756#(and (<= 49 main_~z~0) (<= main_~z~0 49))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36757#(and (<= 50 main_~z~0) (<= main_~z~0 50))} is VALID [2022-04-28 10:25:48,317 INFO L290 TraceCheckUtils]: 58: Hoare triple {36757#(and (<= 50 main_~z~0) (<= main_~z~0 50))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36937#(and (<= main_~z~0 51) (<= 51 main_~z~0))} is VALID [2022-04-28 10:25:48,317 INFO L290 TraceCheckUtils]: 59: Hoare triple {36937#(and (<= main_~z~0 51) (<= 51 main_~z~0))} assume !(~z~0 % 4294967296 < 268435455); {36703#false} is VALID [2022-04-28 10:25:48,317 INFO L272 TraceCheckUtils]: 60: Hoare triple {36703#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {36703#false} is VALID [2022-04-28 10:25:48,318 INFO L290 TraceCheckUtils]: 61: Hoare triple {36703#false} ~cond := #in~cond; {36703#false} is VALID [2022-04-28 10:25:48,318 INFO L290 TraceCheckUtils]: 62: Hoare triple {36703#false} assume 0 == ~cond; {36703#false} is VALID [2022-04-28 10:25:48,318 INFO L290 TraceCheckUtils]: 63: Hoare triple {36703#false} assume !false; {36703#false} is VALID [2022-04-28 10:25:48,318 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:25:48,318 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 10:25:52,142 INFO L290 TraceCheckUtils]: 63: Hoare triple {36703#false} assume !false; {36703#false} is VALID [2022-04-28 10:25:52,142 INFO L290 TraceCheckUtils]: 62: Hoare triple {36703#false} assume 0 == ~cond; {36703#false} is VALID [2022-04-28 10:25:52,142 INFO L290 TraceCheckUtils]: 61: Hoare triple {36703#false} ~cond := #in~cond; {36703#false} is VALID [2022-04-28 10:25:52,142 INFO L272 TraceCheckUtils]: 60: Hoare triple {36703#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {36703#false} is VALID [2022-04-28 10:25:52,143 INFO L290 TraceCheckUtils]: 59: Hoare triple {36965#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {36703#false} is VALID [2022-04-28 10:25:52,143 INFO L290 TraceCheckUtils]: 58: Hoare triple {36969#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36965#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 10:25:52,144 INFO L290 TraceCheckUtils]: 57: Hoare triple {36973#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36969#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 10:25:52,145 INFO L290 TraceCheckUtils]: 56: Hoare triple {36977#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36973#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 10:25:52,146 INFO L290 TraceCheckUtils]: 55: Hoare triple {36981#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36977#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 10:25:52,147 INFO L290 TraceCheckUtils]: 54: Hoare triple {36985#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36981#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 10:25:52,147 INFO L290 TraceCheckUtils]: 53: Hoare triple {36989#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36985#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:25:52,148 INFO L290 TraceCheckUtils]: 52: Hoare triple {36993#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36989#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} is VALID [2022-04-28 10:25:52,148 INFO L290 TraceCheckUtils]: 51: Hoare triple {36997#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36993#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:25:52,149 INFO L290 TraceCheckUtils]: 50: Hoare triple {37001#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {36997#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} is VALID [2022-04-28 10:25:52,149 INFO L290 TraceCheckUtils]: 49: Hoare triple {37005#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37001#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} is VALID [2022-04-28 10:25:52,150 INFO L290 TraceCheckUtils]: 48: Hoare triple {37009#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37005#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} is VALID [2022-04-28 10:25:52,151 INFO L290 TraceCheckUtils]: 47: Hoare triple {37013#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37009#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} is VALID [2022-04-28 10:25:52,151 INFO L290 TraceCheckUtils]: 46: Hoare triple {37017#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37013#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} is VALID [2022-04-28 10:25:52,152 INFO L290 TraceCheckUtils]: 45: Hoare triple {37021#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37017#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} is VALID [2022-04-28 10:25:52,152 INFO L290 TraceCheckUtils]: 44: Hoare triple {37025#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37021#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} is VALID [2022-04-28 10:25:52,153 INFO L290 TraceCheckUtils]: 43: Hoare triple {37029#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37025#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} is VALID [2022-04-28 10:25:52,154 INFO L290 TraceCheckUtils]: 42: Hoare triple {37033#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37029#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} is VALID [2022-04-28 10:25:52,154 INFO L290 TraceCheckUtils]: 41: Hoare triple {37037#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37033#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} is VALID [2022-04-28 10:25:52,155 INFO L290 TraceCheckUtils]: 40: Hoare triple {37041#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37037#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} is VALID [2022-04-28 10:25:52,155 INFO L290 TraceCheckUtils]: 39: Hoare triple {37045#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37041#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:25:52,156 INFO L290 TraceCheckUtils]: 38: Hoare triple {37049#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37045#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} is VALID [2022-04-28 10:25:52,156 INFO L290 TraceCheckUtils]: 37: Hoare triple {37053#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37049#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} is VALID [2022-04-28 10:25:52,157 INFO L290 TraceCheckUtils]: 36: Hoare triple {37057#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37053#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} is VALID [2022-04-28 10:25:52,157 INFO L290 TraceCheckUtils]: 35: Hoare triple {37061#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37057#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:25:52,158 INFO L290 TraceCheckUtils]: 34: Hoare triple {37065#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37061#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} is VALID [2022-04-28 10:25:52,159 INFO L290 TraceCheckUtils]: 33: Hoare triple {37069#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37065#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} is VALID [2022-04-28 10:25:52,159 INFO L290 TraceCheckUtils]: 32: Hoare triple {37073#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37069#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} is VALID [2022-04-28 10:25:52,160 INFO L290 TraceCheckUtils]: 31: Hoare triple {37077#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37073#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} is VALID [2022-04-28 10:25:52,160 INFO L290 TraceCheckUtils]: 30: Hoare triple {37081#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37077#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} is VALID [2022-04-28 10:25:52,161 INFO L290 TraceCheckUtils]: 29: Hoare triple {37085#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37081#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:25:52,161 INFO L290 TraceCheckUtils]: 28: Hoare triple {37089#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37085#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:25:52,162 INFO L290 TraceCheckUtils]: 27: Hoare triple {37093#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37089#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} is VALID [2022-04-28 10:25:52,162 INFO L290 TraceCheckUtils]: 26: Hoare triple {37097#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37093#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:25:52,163 INFO L290 TraceCheckUtils]: 25: Hoare triple {37101#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37097#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} is VALID [2022-04-28 10:25:52,164 INFO L290 TraceCheckUtils]: 24: Hoare triple {37105#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37101#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} is VALID [2022-04-28 10:25:52,164 INFO L290 TraceCheckUtils]: 23: Hoare triple {37109#(< (mod (+ main_~z~0 36) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37105#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:25:52,165 INFO L290 TraceCheckUtils]: 22: Hoare triple {37113#(< (mod (+ main_~z~0 37) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37109#(< (mod (+ main_~z~0 36) 4294967296) 268435455)} is VALID [2022-04-28 10:25:52,165 INFO L290 TraceCheckUtils]: 21: Hoare triple {37117#(< (mod (+ main_~z~0 38) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37113#(< (mod (+ main_~z~0 37) 4294967296) 268435455)} is VALID [2022-04-28 10:25:52,166 INFO L290 TraceCheckUtils]: 20: Hoare triple {37121#(< (mod (+ main_~z~0 39) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37117#(< (mod (+ main_~z~0 38) 4294967296) 268435455)} is VALID [2022-04-28 10:25:52,166 INFO L290 TraceCheckUtils]: 19: Hoare triple {37125#(< (mod (+ 40 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37121#(< (mod (+ main_~z~0 39) 4294967296) 268435455)} is VALID [2022-04-28 10:25:52,167 INFO L290 TraceCheckUtils]: 18: Hoare triple {37129#(< (mod (+ 41 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37125#(< (mod (+ 40 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:25:52,168 INFO L290 TraceCheckUtils]: 17: Hoare triple {37133#(< (mod (+ 42 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37129#(< (mod (+ 41 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:25:52,168 INFO L290 TraceCheckUtils]: 16: Hoare triple {37137#(< (mod (+ main_~z~0 43) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37133#(< (mod (+ 42 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:25:52,169 INFO L290 TraceCheckUtils]: 15: Hoare triple {37141#(< (mod (+ 44 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37137#(< (mod (+ main_~z~0 43) 4294967296) 268435455)} is VALID [2022-04-28 10:25:52,169 INFO L290 TraceCheckUtils]: 14: Hoare triple {37145#(< (mod (+ main_~z~0 45) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37141#(< (mod (+ 44 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:25:52,170 INFO L290 TraceCheckUtils]: 13: Hoare triple {37149#(< (mod (+ main_~z~0 46) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37145#(< (mod (+ main_~z~0 45) 4294967296) 268435455)} is VALID [2022-04-28 10:25:52,170 INFO L290 TraceCheckUtils]: 12: Hoare triple {37153#(< (mod (+ main_~z~0 47) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37149#(< (mod (+ main_~z~0 46) 4294967296) 268435455)} is VALID [2022-04-28 10:25:52,171 INFO L290 TraceCheckUtils]: 11: Hoare triple {37157#(< (mod (+ main_~z~0 48) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37153#(< (mod (+ main_~z~0 47) 4294967296) 268435455)} is VALID [2022-04-28 10:25:52,172 INFO L290 TraceCheckUtils]: 10: Hoare triple {37161#(< (mod (+ 49 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37157#(< (mod (+ main_~z~0 48) 4294967296) 268435455)} is VALID [2022-04-28 10:25:52,172 INFO L290 TraceCheckUtils]: 9: Hoare triple {37165#(< (mod (+ main_~z~0 50) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37161#(< (mod (+ 49 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:25:52,173 INFO L290 TraceCheckUtils]: 8: Hoare triple {37169#(< (mod (+ 51 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37165#(< (mod (+ main_~z~0 50) 4294967296) 268435455)} is VALID [2022-04-28 10:25:52,173 INFO L290 TraceCheckUtils]: 7: Hoare triple {36702#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {37169#(< (mod (+ 51 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:25:52,173 INFO L290 TraceCheckUtils]: 6: Hoare triple {36702#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {36702#true} is VALID [2022-04-28 10:25:52,173 INFO L290 TraceCheckUtils]: 5: Hoare triple {36702#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {36702#true} is VALID [2022-04-28 10:25:52,173 INFO L272 TraceCheckUtils]: 4: Hoare triple {36702#true} call #t~ret7 := main(); {36702#true} is VALID [2022-04-28 10:25:52,173 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {36702#true} {36702#true} #63#return; {36702#true} is VALID [2022-04-28 10:25:52,173 INFO L290 TraceCheckUtils]: 2: Hoare triple {36702#true} assume true; {36702#true} is VALID [2022-04-28 10:25:52,173 INFO L290 TraceCheckUtils]: 1: Hoare triple {36702#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {36702#true} is VALID [2022-04-28 10:25:52,173 INFO L272 TraceCheckUtils]: 0: Hoare triple {36702#true} call ULTIMATE.init(); {36702#true} is VALID [2022-04-28 10:25:52,174 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:25:52,174 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1228141239] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 10:25:52,174 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 10:25:52,174 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 54, 54] total 108 [2022-04-28 10:25:52,174 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 10:25:52,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [2134718405] [2022-04-28 10:25:52,174 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [2134718405] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 10:25:52,174 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 10:25:52,174 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [55] imperfect sequences [] total 55 [2022-04-28 10:25:52,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180083013] [2022-04-28 10:25:52,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 10:25:52,181 INFO L78 Accepts]: Start accepts. Automaton has has 55 states, 55 states have (on average 1.0909090909090908) internal successors, (60), 54 states have internal predecessors, (60), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 64 [2022-04-28 10:25:52,181 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 10:25:52,181 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 55 states, 55 states have (on average 1.0909090909090908) internal successors, (60), 54 states have internal predecessors, (60), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:25:52,213 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 64 edges. 64 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:25:52,213 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2022-04-28 10:25:52,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 10:25:52,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2022-04-28 10:25:52,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3021, Invalid=8535, Unknown=0, NotChecked=0, Total=11556 [2022-04-28 10:25:52,214 INFO L87 Difference]: Start difference. First operand 73 states and 77 transitions. Second operand has 55 states, 55 states have (on average 1.0909090909090908) internal successors, (60), 54 states have internal predecessors, (60), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:25:57,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:25:57,130 INFO L93 Difference]: Finished difference Result 141 states and 150 transitions. [2022-04-28 10:25:57,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-04-28 10:25:57,131 INFO L78 Accepts]: Start accepts. Automaton has has 55 states, 55 states have (on average 1.0909090909090908) internal successors, (60), 54 states have internal predecessors, (60), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 64 [2022-04-28 10:25:57,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 10:25:57,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 55 states have (on average 1.0909090909090908) internal successors, (60), 54 states have internal predecessors, (60), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:25:57,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 97 transitions. [2022-04-28 10:25:57,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 55 states have (on average 1.0909090909090908) internal successors, (60), 54 states have internal predecessors, (60), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:25:57,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 97 transitions. [2022-04-28 10:25:57,132 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 55 states and 97 transitions. [2022-04-28 10:25:57,472 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 97 edges. 97 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:25:57,473 INFO L225 Difference]: With dead ends: 141 [2022-04-28 10:25:57,473 INFO L226 Difference]: Without dead ends: 75 [2022-04-28 10:25:57,474 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 78 SyntacticMatches, 1 SemanticMatches, 158 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1434 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=6035, Invalid=19405, Unknown=0, NotChecked=0, Total=25440 [2022-04-28 10:25:57,475 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 18 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 2817 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 2927 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 2817 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-04-28 10:25:57,475 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 43 Invalid, 2927 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 2817 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-04-28 10:25:57,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2022-04-28 10:25:57,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 74. [2022-04-28 10:25:57,544 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 10:25:57,545 INFO L82 GeneralOperation]: Start isEquivalent. First operand 75 states. Second operand has 74 states, 66 states have (on average 1.0606060606060606) internal successors, (70), 67 states have internal predecessors, (70), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:25:57,545 INFO L74 IsIncluded]: Start isIncluded. First operand 75 states. Second operand has 74 states, 66 states have (on average 1.0606060606060606) internal successors, (70), 67 states have internal predecessors, (70), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:25:57,545 INFO L87 Difference]: Start difference. First operand 75 states. Second operand has 74 states, 66 states have (on average 1.0606060606060606) internal successors, (70), 67 states have internal predecessors, (70), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:25:57,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:25:57,546 INFO L93 Difference]: Finished difference Result 75 states and 79 transitions. [2022-04-28 10:25:57,556 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 79 transitions. [2022-04-28 10:25:57,556 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:25:57,556 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:25:57,557 INFO L74 IsIncluded]: Start isIncluded. First operand has 74 states, 66 states have (on average 1.0606060606060606) internal successors, (70), 67 states have internal predecessors, (70), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 75 states. [2022-04-28 10:25:57,557 INFO L87 Difference]: Start difference. First operand has 74 states, 66 states have (on average 1.0606060606060606) internal successors, (70), 67 states have internal predecessors, (70), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 75 states. [2022-04-28 10:25:57,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:25:57,557 INFO L93 Difference]: Finished difference Result 75 states and 79 transitions. [2022-04-28 10:25:57,557 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 79 transitions. [2022-04-28 10:25:57,557 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:25:57,558 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:25:57,558 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 10:25:57,558 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 10:25:57,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 66 states have (on average 1.0606060606060606) internal successors, (70), 67 states have internal predecessors, (70), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:25:57,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 78 transitions. [2022-04-28 10:25:57,558 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 78 transitions. Word has length 64 [2022-04-28 10:25:57,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 10:25:57,559 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 78 transitions. [2022-04-28 10:25:57,559 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 55 states have (on average 1.0909090909090908) internal successors, (60), 54 states have internal predecessors, (60), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:25:57,559 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 74 states and 78 transitions. [2022-04-28 10:25:57,629 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 78 edges. 78 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:25:57,629 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 78 transitions. [2022-04-28 10:25:57,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-04-28 10:25:57,629 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 10:25:57,630 INFO L195 NwaCegarLoop]: trace histogram [52, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 10:25:57,638 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Forceful destruction successful, exit code 0 [2022-04-28 10:25:57,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54,52 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:25:57,836 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 10:25:57,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 10:25:57,836 INFO L85 PathProgramCache]: Analyzing trace with hash 1907886914, now seen corresponding path program 103 times [2022-04-28 10:25:57,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 10:25:57,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [586768370] [2022-04-28 10:25:57,840 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-28 10:25:57,840 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-28 10:25:57,840 INFO L85 PathProgramCache]: Analyzing trace with hash 1907886914, now seen corresponding path program 104 times [2022-04-28 10:25:57,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 10:25:57,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798731160] [2022-04-28 10:25:57,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 10:25:57,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 10:25:57,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:25:59,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 10:25:59,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:25:59,154 INFO L290 TraceCheckUtils]: 0: Hoare triple {37939#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {37881#true} is VALID [2022-04-28 10:25:59,154 INFO L290 TraceCheckUtils]: 1: Hoare triple {37881#true} assume true; {37881#true} is VALID [2022-04-28 10:25:59,154 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {37881#true} {37881#true} #63#return; {37881#true} is VALID [2022-04-28 10:25:59,155 INFO L272 TraceCheckUtils]: 0: Hoare triple {37881#true} call ULTIMATE.init(); {37939#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 10:25:59,155 INFO L290 TraceCheckUtils]: 1: Hoare triple {37939#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {37881#true} is VALID [2022-04-28 10:25:59,155 INFO L290 TraceCheckUtils]: 2: Hoare triple {37881#true} assume true; {37881#true} is VALID [2022-04-28 10:25:59,155 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {37881#true} {37881#true} #63#return; {37881#true} is VALID [2022-04-28 10:25:59,155 INFO L272 TraceCheckUtils]: 4: Hoare triple {37881#true} call #t~ret7 := main(); {37881#true} is VALID [2022-04-28 10:25:59,155 INFO L290 TraceCheckUtils]: 5: Hoare triple {37881#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {37881#true} is VALID [2022-04-28 10:25:59,155 INFO L290 TraceCheckUtils]: 6: Hoare triple {37881#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {37881#true} is VALID [2022-04-28 10:25:59,155 INFO L290 TraceCheckUtils]: 7: Hoare triple {37881#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {37886#(= main_~z~0 0)} is VALID [2022-04-28 10:25:59,156 INFO L290 TraceCheckUtils]: 8: Hoare triple {37886#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37887#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:25:59,156 INFO L290 TraceCheckUtils]: 9: Hoare triple {37887#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37888#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:25:59,157 INFO L290 TraceCheckUtils]: 10: Hoare triple {37888#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37889#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:25:59,157 INFO L290 TraceCheckUtils]: 11: Hoare triple {37889#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37890#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:25:59,158 INFO L290 TraceCheckUtils]: 12: Hoare triple {37890#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37891#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:25:59,158 INFO L290 TraceCheckUtils]: 13: Hoare triple {37891#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37892#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:25:59,158 INFO L290 TraceCheckUtils]: 14: Hoare triple {37892#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37893#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:25:59,159 INFO L290 TraceCheckUtils]: 15: Hoare triple {37893#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37894#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:25:59,159 INFO L290 TraceCheckUtils]: 16: Hoare triple {37894#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37895#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:25:59,160 INFO L290 TraceCheckUtils]: 17: Hoare triple {37895#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37896#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:25:59,160 INFO L290 TraceCheckUtils]: 18: Hoare triple {37896#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37897#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:25:59,161 INFO L290 TraceCheckUtils]: 19: Hoare triple {37897#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37898#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:25:59,161 INFO L290 TraceCheckUtils]: 20: Hoare triple {37898#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37899#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:25:59,162 INFO L290 TraceCheckUtils]: 21: Hoare triple {37899#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37900#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:25:59,162 INFO L290 TraceCheckUtils]: 22: Hoare triple {37900#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37901#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:25:59,163 INFO L290 TraceCheckUtils]: 23: Hoare triple {37901#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37902#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:25:59,163 INFO L290 TraceCheckUtils]: 24: Hoare triple {37902#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37903#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:25:59,164 INFO L290 TraceCheckUtils]: 25: Hoare triple {37903#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37904#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:25:59,164 INFO L290 TraceCheckUtils]: 26: Hoare triple {37904#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37905#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:25:59,165 INFO L290 TraceCheckUtils]: 27: Hoare triple {37905#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37906#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 10:25:59,165 INFO L290 TraceCheckUtils]: 28: Hoare triple {37906#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37907#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 10:25:59,166 INFO L290 TraceCheckUtils]: 29: Hoare triple {37907#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37908#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 10:25:59,166 INFO L290 TraceCheckUtils]: 30: Hoare triple {37908#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37909#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 10:25:59,167 INFO L290 TraceCheckUtils]: 31: Hoare triple {37909#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37910#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 10:25:59,167 INFO L290 TraceCheckUtils]: 32: Hoare triple {37910#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37911#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 10:25:59,168 INFO L290 TraceCheckUtils]: 33: Hoare triple {37911#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37912#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 10:25:59,168 INFO L290 TraceCheckUtils]: 34: Hoare triple {37912#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37913#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 10:25:59,169 INFO L290 TraceCheckUtils]: 35: Hoare triple {37913#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37914#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 10:25:59,169 INFO L290 TraceCheckUtils]: 36: Hoare triple {37914#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37915#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 10:25:59,170 INFO L290 TraceCheckUtils]: 37: Hoare triple {37915#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37916#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 10:25:59,170 INFO L290 TraceCheckUtils]: 38: Hoare triple {37916#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37917#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 10:25:59,171 INFO L290 TraceCheckUtils]: 39: Hoare triple {37917#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37918#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 10:25:59,171 INFO L290 TraceCheckUtils]: 40: Hoare triple {37918#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37919#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 10:25:59,172 INFO L290 TraceCheckUtils]: 41: Hoare triple {37919#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37920#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 10:25:59,172 INFO L290 TraceCheckUtils]: 42: Hoare triple {37920#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37921#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 10:25:59,173 INFO L290 TraceCheckUtils]: 43: Hoare triple {37921#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37922#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 10:25:59,173 INFO L290 TraceCheckUtils]: 44: Hoare triple {37922#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37923#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 10:25:59,174 INFO L290 TraceCheckUtils]: 45: Hoare triple {37923#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37924#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 10:25:59,174 INFO L290 TraceCheckUtils]: 46: Hoare triple {37924#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37925#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 10:25:59,175 INFO L290 TraceCheckUtils]: 47: Hoare triple {37925#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37926#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 10:25:59,175 INFO L290 TraceCheckUtils]: 48: Hoare triple {37926#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37927#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 10:25:59,176 INFO L290 TraceCheckUtils]: 49: Hoare triple {37927#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37928#(and (<= 42 main_~z~0) (<= main_~z~0 42))} is VALID [2022-04-28 10:25:59,176 INFO L290 TraceCheckUtils]: 50: Hoare triple {37928#(and (<= 42 main_~z~0) (<= main_~z~0 42))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37929#(and (<= main_~z~0 43) (<= 43 main_~z~0))} is VALID [2022-04-28 10:25:59,177 INFO L290 TraceCheckUtils]: 51: Hoare triple {37929#(and (<= main_~z~0 43) (<= 43 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37930#(and (<= main_~z~0 44) (<= 44 main_~z~0))} is VALID [2022-04-28 10:25:59,177 INFO L290 TraceCheckUtils]: 52: Hoare triple {37930#(and (<= main_~z~0 44) (<= 44 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37931#(and (<= main_~z~0 45) (<= 45 main_~z~0))} is VALID [2022-04-28 10:25:59,178 INFO L290 TraceCheckUtils]: 53: Hoare triple {37931#(and (<= main_~z~0 45) (<= 45 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37932#(and (<= 46 main_~z~0) (<= main_~z~0 46))} is VALID [2022-04-28 10:25:59,178 INFO L290 TraceCheckUtils]: 54: Hoare triple {37932#(and (<= 46 main_~z~0) (<= main_~z~0 46))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37933#(and (<= main_~z~0 47) (<= 47 main_~z~0))} is VALID [2022-04-28 10:25:59,179 INFO L290 TraceCheckUtils]: 55: Hoare triple {37933#(and (<= main_~z~0 47) (<= 47 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37934#(and (<= 48 main_~z~0) (<= main_~z~0 48))} is VALID [2022-04-28 10:25:59,179 INFO L290 TraceCheckUtils]: 56: Hoare triple {37934#(and (<= 48 main_~z~0) (<= main_~z~0 48))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37935#(and (<= 49 main_~z~0) (<= main_~z~0 49))} is VALID [2022-04-28 10:25:59,180 INFO L290 TraceCheckUtils]: 57: Hoare triple {37935#(and (<= 49 main_~z~0) (<= main_~z~0 49))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37936#(and (<= 50 main_~z~0) (<= main_~z~0 50))} is VALID [2022-04-28 10:25:59,180 INFO L290 TraceCheckUtils]: 58: Hoare triple {37936#(and (<= 50 main_~z~0) (<= main_~z~0 50))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37937#(and (<= main_~z~0 51) (<= 51 main_~z~0))} is VALID [2022-04-28 10:25:59,181 INFO L290 TraceCheckUtils]: 59: Hoare triple {37937#(and (<= main_~z~0 51) (<= 51 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37938#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 52))} is VALID [2022-04-28 10:25:59,181 INFO L290 TraceCheckUtils]: 60: Hoare triple {37938#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 52))} assume !(~z~0 % 4294967296 < 268435455); {37882#false} is VALID [2022-04-28 10:25:59,181 INFO L272 TraceCheckUtils]: 61: Hoare triple {37882#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {37882#false} is VALID [2022-04-28 10:25:59,182 INFO L290 TraceCheckUtils]: 62: Hoare triple {37882#false} ~cond := #in~cond; {37882#false} is VALID [2022-04-28 10:25:59,182 INFO L290 TraceCheckUtils]: 63: Hoare triple {37882#false} assume 0 == ~cond; {37882#false} is VALID [2022-04-28 10:25:59,182 INFO L290 TraceCheckUtils]: 64: Hoare triple {37882#false} assume !false; {37882#false} is VALID [2022-04-28 10:25:59,182 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:25:59,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 10:25:59,182 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798731160] [2022-04-28 10:25:59,182 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798731160] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 10:25:59,182 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [827925973] [2022-04-28 10:25:59,182 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-28 10:25:59,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:25:59,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 10:25:59,183 INFO L229 MonitoredProcess]: Starting monitored process 53 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 10:25:59,185 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Waiting until timeout for monitored process [2022-04-28 10:25:59,318 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-28 10:25:59,318 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 10:25:59,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 107 conjunts are in the unsatisfiable core [2022-04-28 10:25:59,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:25:59,332 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 10:25:59,881 INFO L272 TraceCheckUtils]: 0: Hoare triple {37881#true} call ULTIMATE.init(); {37881#true} is VALID [2022-04-28 10:25:59,881 INFO L290 TraceCheckUtils]: 1: Hoare triple {37881#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {37881#true} is VALID [2022-04-28 10:25:59,881 INFO L290 TraceCheckUtils]: 2: Hoare triple {37881#true} assume true; {37881#true} is VALID [2022-04-28 10:25:59,881 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {37881#true} {37881#true} #63#return; {37881#true} is VALID [2022-04-28 10:25:59,881 INFO L272 TraceCheckUtils]: 4: Hoare triple {37881#true} call #t~ret7 := main(); {37881#true} is VALID [2022-04-28 10:25:59,881 INFO L290 TraceCheckUtils]: 5: Hoare triple {37881#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {37881#true} is VALID [2022-04-28 10:25:59,881 INFO L290 TraceCheckUtils]: 6: Hoare triple {37881#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {37881#true} is VALID [2022-04-28 10:25:59,882 INFO L290 TraceCheckUtils]: 7: Hoare triple {37881#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {37886#(= main_~z~0 0)} is VALID [2022-04-28 10:25:59,882 INFO L290 TraceCheckUtils]: 8: Hoare triple {37886#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37887#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:25:59,882 INFO L290 TraceCheckUtils]: 9: Hoare triple {37887#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37888#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:25:59,883 INFO L290 TraceCheckUtils]: 10: Hoare triple {37888#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37889#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:25:59,883 INFO L290 TraceCheckUtils]: 11: Hoare triple {37889#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37890#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:25:59,884 INFO L290 TraceCheckUtils]: 12: Hoare triple {37890#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37891#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:25:59,884 INFO L290 TraceCheckUtils]: 13: Hoare triple {37891#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37892#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:25:59,885 INFO L290 TraceCheckUtils]: 14: Hoare triple {37892#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37893#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:25:59,885 INFO L290 TraceCheckUtils]: 15: Hoare triple {37893#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37894#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:25:59,886 INFO L290 TraceCheckUtils]: 16: Hoare triple {37894#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37895#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:25:59,886 INFO L290 TraceCheckUtils]: 17: Hoare triple {37895#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37896#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:25:59,886 INFO L290 TraceCheckUtils]: 18: Hoare triple {37896#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37897#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:25:59,887 INFO L290 TraceCheckUtils]: 19: Hoare triple {37897#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37898#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:25:59,887 INFO L290 TraceCheckUtils]: 20: Hoare triple {37898#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37899#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:25:59,888 INFO L290 TraceCheckUtils]: 21: Hoare triple {37899#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37900#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:25:59,888 INFO L290 TraceCheckUtils]: 22: Hoare triple {37900#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37901#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:25:59,889 INFO L290 TraceCheckUtils]: 23: Hoare triple {37901#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37902#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:25:59,889 INFO L290 TraceCheckUtils]: 24: Hoare triple {37902#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37903#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:25:59,890 INFO L290 TraceCheckUtils]: 25: Hoare triple {37903#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37904#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:25:59,890 INFO L290 TraceCheckUtils]: 26: Hoare triple {37904#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37905#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:25:59,891 INFO L290 TraceCheckUtils]: 27: Hoare triple {37905#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37906#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 10:25:59,891 INFO L290 TraceCheckUtils]: 28: Hoare triple {37906#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37907#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 10:25:59,891 INFO L290 TraceCheckUtils]: 29: Hoare triple {37907#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37908#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 10:25:59,892 INFO L290 TraceCheckUtils]: 30: Hoare triple {37908#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37909#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 10:25:59,892 INFO L290 TraceCheckUtils]: 31: Hoare triple {37909#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37910#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 10:25:59,893 INFO L290 TraceCheckUtils]: 32: Hoare triple {37910#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37911#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 10:25:59,893 INFO L290 TraceCheckUtils]: 33: Hoare triple {37911#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37912#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 10:25:59,894 INFO L290 TraceCheckUtils]: 34: Hoare triple {37912#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37913#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 10:25:59,894 INFO L290 TraceCheckUtils]: 35: Hoare triple {37913#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37914#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 10:25:59,895 INFO L290 TraceCheckUtils]: 36: Hoare triple {37914#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37915#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 10:25:59,895 INFO L290 TraceCheckUtils]: 37: Hoare triple {37915#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37916#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 10:25:59,896 INFO L290 TraceCheckUtils]: 38: Hoare triple {37916#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37917#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 10:25:59,896 INFO L290 TraceCheckUtils]: 39: Hoare triple {37917#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37918#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 10:25:59,896 INFO L290 TraceCheckUtils]: 40: Hoare triple {37918#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37919#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 10:25:59,897 INFO L290 TraceCheckUtils]: 41: Hoare triple {37919#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37920#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 10:25:59,897 INFO L290 TraceCheckUtils]: 42: Hoare triple {37920#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37921#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 10:25:59,898 INFO L290 TraceCheckUtils]: 43: Hoare triple {37921#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37922#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 10:25:59,898 INFO L290 TraceCheckUtils]: 44: Hoare triple {37922#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37923#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 10:25:59,899 INFO L290 TraceCheckUtils]: 45: Hoare triple {37923#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37924#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 10:25:59,899 INFO L290 TraceCheckUtils]: 46: Hoare triple {37924#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37925#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 10:25:59,900 INFO L290 TraceCheckUtils]: 47: Hoare triple {37925#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37926#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 10:25:59,900 INFO L290 TraceCheckUtils]: 48: Hoare triple {37926#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37927#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 10:25:59,900 INFO L290 TraceCheckUtils]: 49: Hoare triple {37927#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37928#(and (<= 42 main_~z~0) (<= main_~z~0 42))} is VALID [2022-04-28 10:25:59,901 INFO L290 TraceCheckUtils]: 50: Hoare triple {37928#(and (<= 42 main_~z~0) (<= main_~z~0 42))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37929#(and (<= main_~z~0 43) (<= 43 main_~z~0))} is VALID [2022-04-28 10:25:59,901 INFO L290 TraceCheckUtils]: 51: Hoare triple {37929#(and (<= main_~z~0 43) (<= 43 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37930#(and (<= main_~z~0 44) (<= 44 main_~z~0))} is VALID [2022-04-28 10:25:59,902 INFO L290 TraceCheckUtils]: 52: Hoare triple {37930#(and (<= main_~z~0 44) (<= 44 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37931#(and (<= main_~z~0 45) (<= 45 main_~z~0))} is VALID [2022-04-28 10:25:59,902 INFO L290 TraceCheckUtils]: 53: Hoare triple {37931#(and (<= main_~z~0 45) (<= 45 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37932#(and (<= 46 main_~z~0) (<= main_~z~0 46))} is VALID [2022-04-28 10:25:59,903 INFO L290 TraceCheckUtils]: 54: Hoare triple {37932#(and (<= 46 main_~z~0) (<= main_~z~0 46))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37933#(and (<= main_~z~0 47) (<= 47 main_~z~0))} is VALID [2022-04-28 10:25:59,903 INFO L290 TraceCheckUtils]: 55: Hoare triple {37933#(and (<= main_~z~0 47) (<= 47 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37934#(and (<= 48 main_~z~0) (<= main_~z~0 48))} is VALID [2022-04-28 10:25:59,904 INFO L290 TraceCheckUtils]: 56: Hoare triple {37934#(and (<= 48 main_~z~0) (<= main_~z~0 48))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37935#(and (<= 49 main_~z~0) (<= main_~z~0 49))} is VALID [2022-04-28 10:25:59,904 INFO L290 TraceCheckUtils]: 57: Hoare triple {37935#(and (<= 49 main_~z~0) (<= main_~z~0 49))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37936#(and (<= 50 main_~z~0) (<= main_~z~0 50))} is VALID [2022-04-28 10:25:59,904 INFO L290 TraceCheckUtils]: 58: Hoare triple {37936#(and (<= 50 main_~z~0) (<= main_~z~0 50))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {37937#(and (<= main_~z~0 51) (<= 51 main_~z~0))} is VALID [2022-04-28 10:25:59,905 INFO L290 TraceCheckUtils]: 59: Hoare triple {37937#(and (<= main_~z~0 51) (<= 51 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38120#(and (<= 52 main_~z~0) (<= main_~z~0 52))} is VALID [2022-04-28 10:25:59,905 INFO L290 TraceCheckUtils]: 60: Hoare triple {38120#(and (<= 52 main_~z~0) (<= main_~z~0 52))} assume !(~z~0 % 4294967296 < 268435455); {37882#false} is VALID [2022-04-28 10:25:59,905 INFO L272 TraceCheckUtils]: 61: Hoare triple {37882#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {37882#false} is VALID [2022-04-28 10:25:59,906 INFO L290 TraceCheckUtils]: 62: Hoare triple {37882#false} ~cond := #in~cond; {37882#false} is VALID [2022-04-28 10:25:59,906 INFO L290 TraceCheckUtils]: 63: Hoare triple {37882#false} assume 0 == ~cond; {37882#false} is VALID [2022-04-28 10:25:59,906 INFO L290 TraceCheckUtils]: 64: Hoare triple {37882#false} assume !false; {37882#false} is VALID [2022-04-28 10:25:59,906 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:25:59,906 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 10:26:03,866 INFO L290 TraceCheckUtils]: 64: Hoare triple {37882#false} assume !false; {37882#false} is VALID [2022-04-28 10:26:03,866 INFO L290 TraceCheckUtils]: 63: Hoare triple {37882#false} assume 0 == ~cond; {37882#false} is VALID [2022-04-28 10:26:03,866 INFO L290 TraceCheckUtils]: 62: Hoare triple {37882#false} ~cond := #in~cond; {37882#false} is VALID [2022-04-28 10:26:03,866 INFO L272 TraceCheckUtils]: 61: Hoare triple {37882#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {37882#false} is VALID [2022-04-28 10:26:03,867 INFO L290 TraceCheckUtils]: 60: Hoare triple {38148#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {37882#false} is VALID [2022-04-28 10:26:03,867 INFO L290 TraceCheckUtils]: 59: Hoare triple {38152#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38148#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 10:26:03,868 INFO L290 TraceCheckUtils]: 58: Hoare triple {38156#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38152#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 10:26:03,868 INFO L290 TraceCheckUtils]: 57: Hoare triple {38160#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38156#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 10:26:03,869 INFO L290 TraceCheckUtils]: 56: Hoare triple {38164#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38160#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 10:26:03,869 INFO L290 TraceCheckUtils]: 55: Hoare triple {38168#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38164#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 10:26:03,870 INFO L290 TraceCheckUtils]: 54: Hoare triple {38172#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38168#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:26:03,871 INFO L290 TraceCheckUtils]: 53: Hoare triple {38176#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38172#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} is VALID [2022-04-28 10:26:03,871 INFO L290 TraceCheckUtils]: 52: Hoare triple {38180#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38176#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:26:03,872 INFO L290 TraceCheckUtils]: 51: Hoare triple {38184#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38180#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} is VALID [2022-04-28 10:26:03,872 INFO L290 TraceCheckUtils]: 50: Hoare triple {38188#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38184#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} is VALID [2022-04-28 10:26:03,873 INFO L290 TraceCheckUtils]: 49: Hoare triple {38192#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38188#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} is VALID [2022-04-28 10:26:03,873 INFO L290 TraceCheckUtils]: 48: Hoare triple {38196#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38192#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} is VALID [2022-04-28 10:26:03,874 INFO L290 TraceCheckUtils]: 47: Hoare triple {38200#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38196#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} is VALID [2022-04-28 10:26:03,874 INFO L290 TraceCheckUtils]: 46: Hoare triple {38204#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38200#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} is VALID [2022-04-28 10:26:03,875 INFO L290 TraceCheckUtils]: 45: Hoare triple {38208#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38204#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} is VALID [2022-04-28 10:26:03,876 INFO L290 TraceCheckUtils]: 44: Hoare triple {38212#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38208#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} is VALID [2022-04-28 10:26:03,876 INFO L290 TraceCheckUtils]: 43: Hoare triple {38216#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38212#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} is VALID [2022-04-28 10:26:03,877 INFO L290 TraceCheckUtils]: 42: Hoare triple {38220#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38216#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} is VALID [2022-04-28 10:26:03,877 INFO L290 TraceCheckUtils]: 41: Hoare triple {38224#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38220#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} is VALID [2022-04-28 10:26:03,878 INFO L290 TraceCheckUtils]: 40: Hoare triple {38228#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38224#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:26:03,878 INFO L290 TraceCheckUtils]: 39: Hoare triple {38232#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38228#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} is VALID [2022-04-28 10:26:03,879 INFO L290 TraceCheckUtils]: 38: Hoare triple {38236#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38232#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} is VALID [2022-04-28 10:26:03,879 INFO L290 TraceCheckUtils]: 37: Hoare triple {38240#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38236#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} is VALID [2022-04-28 10:26:03,880 INFO L290 TraceCheckUtils]: 36: Hoare triple {38244#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38240#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:26:03,881 INFO L290 TraceCheckUtils]: 35: Hoare triple {38248#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38244#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} is VALID [2022-04-28 10:26:03,881 INFO L290 TraceCheckUtils]: 34: Hoare triple {38252#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38248#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} is VALID [2022-04-28 10:26:03,882 INFO L290 TraceCheckUtils]: 33: Hoare triple {38256#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38252#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} is VALID [2022-04-28 10:26:03,883 INFO L290 TraceCheckUtils]: 32: Hoare triple {38260#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38256#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} is VALID [2022-04-28 10:26:03,883 INFO L290 TraceCheckUtils]: 31: Hoare triple {38264#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38260#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} is VALID [2022-04-28 10:26:03,884 INFO L290 TraceCheckUtils]: 30: Hoare triple {38268#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38264#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:26:03,884 INFO L290 TraceCheckUtils]: 29: Hoare triple {38272#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38268#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:26:03,885 INFO L290 TraceCheckUtils]: 28: Hoare triple {38276#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38272#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} is VALID [2022-04-28 10:26:03,885 INFO L290 TraceCheckUtils]: 27: Hoare triple {38280#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38276#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:26:03,886 INFO L290 TraceCheckUtils]: 26: Hoare triple {38284#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38280#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} is VALID [2022-04-28 10:26:03,886 INFO L290 TraceCheckUtils]: 25: Hoare triple {38288#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38284#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} is VALID [2022-04-28 10:26:03,887 INFO L290 TraceCheckUtils]: 24: Hoare triple {38292#(< (mod (+ main_~z~0 36) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38288#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:26:03,888 INFO L290 TraceCheckUtils]: 23: Hoare triple {38296#(< (mod (+ main_~z~0 37) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38292#(< (mod (+ main_~z~0 36) 4294967296) 268435455)} is VALID [2022-04-28 10:26:03,888 INFO L290 TraceCheckUtils]: 22: Hoare triple {38300#(< (mod (+ main_~z~0 38) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38296#(< (mod (+ main_~z~0 37) 4294967296) 268435455)} is VALID [2022-04-28 10:26:03,889 INFO L290 TraceCheckUtils]: 21: Hoare triple {38304#(< (mod (+ main_~z~0 39) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38300#(< (mod (+ main_~z~0 38) 4294967296) 268435455)} is VALID [2022-04-28 10:26:03,889 INFO L290 TraceCheckUtils]: 20: Hoare triple {38308#(< (mod (+ 40 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38304#(< (mod (+ main_~z~0 39) 4294967296) 268435455)} is VALID [2022-04-28 10:26:03,890 INFO L290 TraceCheckUtils]: 19: Hoare triple {38312#(< (mod (+ 41 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38308#(< (mod (+ 40 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:26:03,890 INFO L290 TraceCheckUtils]: 18: Hoare triple {38316#(< (mod (+ 42 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38312#(< (mod (+ 41 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:26:03,891 INFO L290 TraceCheckUtils]: 17: Hoare triple {38320#(< (mod (+ main_~z~0 43) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38316#(< (mod (+ 42 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:26:03,891 INFO L290 TraceCheckUtils]: 16: Hoare triple {38324#(< (mod (+ 44 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38320#(< (mod (+ main_~z~0 43) 4294967296) 268435455)} is VALID [2022-04-28 10:26:03,892 INFO L290 TraceCheckUtils]: 15: Hoare triple {38328#(< (mod (+ main_~z~0 45) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38324#(< (mod (+ 44 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:26:03,893 INFO L290 TraceCheckUtils]: 14: Hoare triple {38332#(< (mod (+ main_~z~0 46) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38328#(< (mod (+ main_~z~0 45) 4294967296) 268435455)} is VALID [2022-04-28 10:26:03,893 INFO L290 TraceCheckUtils]: 13: Hoare triple {38336#(< (mod (+ main_~z~0 47) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38332#(< (mod (+ main_~z~0 46) 4294967296) 268435455)} is VALID [2022-04-28 10:26:03,894 INFO L290 TraceCheckUtils]: 12: Hoare triple {38340#(< (mod (+ main_~z~0 48) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38336#(< (mod (+ main_~z~0 47) 4294967296) 268435455)} is VALID [2022-04-28 10:26:03,894 INFO L290 TraceCheckUtils]: 11: Hoare triple {38344#(< (mod (+ 49 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38340#(< (mod (+ main_~z~0 48) 4294967296) 268435455)} is VALID [2022-04-28 10:26:03,895 INFO L290 TraceCheckUtils]: 10: Hoare triple {38348#(< (mod (+ main_~z~0 50) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38344#(< (mod (+ 49 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:26:03,895 INFO L290 TraceCheckUtils]: 9: Hoare triple {38352#(< (mod (+ 51 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38348#(< (mod (+ main_~z~0 50) 4294967296) 268435455)} is VALID [2022-04-28 10:26:03,896 INFO L290 TraceCheckUtils]: 8: Hoare triple {38356#(< (mod (+ main_~z~0 52) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {38352#(< (mod (+ 51 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:26:03,896 INFO L290 TraceCheckUtils]: 7: Hoare triple {37881#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {38356#(< (mod (+ main_~z~0 52) 4294967296) 268435455)} is VALID [2022-04-28 10:26:03,896 INFO L290 TraceCheckUtils]: 6: Hoare triple {37881#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {37881#true} is VALID [2022-04-28 10:26:03,896 INFO L290 TraceCheckUtils]: 5: Hoare triple {37881#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {37881#true} is VALID [2022-04-28 10:26:03,896 INFO L272 TraceCheckUtils]: 4: Hoare triple {37881#true} call #t~ret7 := main(); {37881#true} is VALID [2022-04-28 10:26:03,897 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {37881#true} {37881#true} #63#return; {37881#true} is VALID [2022-04-28 10:26:03,897 INFO L290 TraceCheckUtils]: 2: Hoare triple {37881#true} assume true; {37881#true} is VALID [2022-04-28 10:26:03,897 INFO L290 TraceCheckUtils]: 1: Hoare triple {37881#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {37881#true} is VALID [2022-04-28 10:26:03,897 INFO L272 TraceCheckUtils]: 0: Hoare triple {37881#true} call ULTIMATE.init(); {37881#true} is VALID [2022-04-28 10:26:03,897 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:26:03,897 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [827925973] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 10:26:03,897 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 10:26:03,897 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [56, 55, 55] total 110 [2022-04-28 10:26:03,897 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 10:26:03,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [586768370] [2022-04-28 10:26:03,898 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [586768370] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 10:26:03,898 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 10:26:03,898 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [56] imperfect sequences [] total 56 [2022-04-28 10:26:03,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717751766] [2022-04-28 10:26:03,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 10:26:03,898 INFO L78 Accepts]: Start accepts. Automaton has has 56 states, 56 states have (on average 1.0892857142857142) internal successors, (61), 55 states have internal predecessors, (61), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 65 [2022-04-28 10:26:03,898 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 10:26:03,898 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 56 states, 56 states have (on average 1.0892857142857142) internal successors, (61), 55 states have internal predecessors, (61), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:26:03,930 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 65 edges. 65 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:26:03,931 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2022-04-28 10:26:03,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 10:26:03,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2022-04-28 10:26:03,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3132, Invalid=8858, Unknown=0, NotChecked=0, Total=11990 [2022-04-28 10:26:03,932 INFO L87 Difference]: Start difference. First operand 74 states and 78 transitions. Second operand has 56 states, 56 states have (on average 1.0892857142857142) internal successors, (61), 55 states have internal predecessors, (61), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:26:09,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:26:09,035 INFO L93 Difference]: Finished difference Result 143 states and 152 transitions. [2022-04-28 10:26:09,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-04-28 10:26:09,035 INFO L78 Accepts]: Start accepts. Automaton has has 56 states, 56 states have (on average 1.0892857142857142) internal successors, (61), 55 states have internal predecessors, (61), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 65 [2022-04-28 10:26:09,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 10:26:09,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 56 states have (on average 1.0892857142857142) internal successors, (61), 55 states have internal predecessors, (61), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:26:09,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 98 transitions. [2022-04-28 10:26:09,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 56 states have (on average 1.0892857142857142) internal successors, (61), 55 states have internal predecessors, (61), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:26:09,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 98 transitions. [2022-04-28 10:26:09,037 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 56 states and 98 transitions. [2022-04-28 10:26:09,100 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 98 edges. 98 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:26:09,101 INFO L225 Difference]: With dead ends: 143 [2022-04-28 10:26:09,101 INFO L226 Difference]: Without dead ends: 76 [2022-04-28 10:26:09,103 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 79 SyntacticMatches, 1 SemanticMatches, 161 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1488 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=6257, Invalid=20149, Unknown=0, NotChecked=0, Total=26406 [2022-04-28 10:26:09,103 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 18 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 2908 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 3020 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 2908 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-04-28 10:26:09,103 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 38 Invalid, 3020 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 2908 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-04-28 10:26:09,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-04-28 10:26:09,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 75. [2022-04-28 10:26:09,170 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 10:26:09,170 INFO L82 GeneralOperation]: Start isEquivalent. First operand 76 states. Second operand has 75 states, 67 states have (on average 1.0597014925373134) internal successors, (71), 68 states have internal predecessors, (71), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:26:09,171 INFO L74 IsIncluded]: Start isIncluded. First operand 76 states. Second operand has 75 states, 67 states have (on average 1.0597014925373134) internal successors, (71), 68 states have internal predecessors, (71), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:26:09,171 INFO L87 Difference]: Start difference. First operand 76 states. Second operand has 75 states, 67 states have (on average 1.0597014925373134) internal successors, (71), 68 states have internal predecessors, (71), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:26:09,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:26:09,171 INFO L93 Difference]: Finished difference Result 76 states and 80 transitions. [2022-04-28 10:26:09,171 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 80 transitions. [2022-04-28 10:26:09,172 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:26:09,172 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:26:09,172 INFO L74 IsIncluded]: Start isIncluded. First operand has 75 states, 67 states have (on average 1.0597014925373134) internal successors, (71), 68 states have internal predecessors, (71), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 76 states. [2022-04-28 10:26:09,172 INFO L87 Difference]: Start difference. First operand has 75 states, 67 states have (on average 1.0597014925373134) internal successors, (71), 68 states have internal predecessors, (71), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 76 states. [2022-04-28 10:26:09,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:26:09,172 INFO L93 Difference]: Finished difference Result 76 states and 80 transitions. [2022-04-28 10:26:09,173 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 80 transitions. [2022-04-28 10:26:09,173 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:26:09,173 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:26:09,173 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 10:26:09,173 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 10:26:09,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 67 states have (on average 1.0597014925373134) internal successors, (71), 68 states have internal predecessors, (71), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:26:09,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 79 transitions. [2022-04-28 10:26:09,174 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 79 transitions. Word has length 65 [2022-04-28 10:26:09,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 10:26:09,174 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 79 transitions. [2022-04-28 10:26:09,174 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 1.0892857142857142) internal successors, (61), 55 states have internal predecessors, (61), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:26:09,174 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 75 states and 79 transitions. [2022-04-28 10:26:09,251 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 79 edges. 79 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:26:09,251 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 79 transitions. [2022-04-28 10:26:09,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-04-28 10:26:09,252 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 10:26:09,252 INFO L195 NwaCegarLoop]: trace histogram [53, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 10:26:09,269 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Forceful destruction successful, exit code 0 [2022-04-28 10:26:09,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 53 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable55 [2022-04-28 10:26:09,468 INFO L420 AbstractCegarLoop]: === Iteration 57 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 10:26:09,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 10:26:09,468 INFO L85 PathProgramCache]: Analyzing trace with hash -958745246, now seen corresponding path program 105 times [2022-04-28 10:26:09,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 10:26:09,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [725901140] [2022-04-28 10:26:09,470 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-28 10:26:09,471 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-28 10:26:09,471 INFO L85 PathProgramCache]: Analyzing trace with hash -958745246, now seen corresponding path program 106 times [2022-04-28 10:26:09,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 10:26:09,471 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555767406] [2022-04-28 10:26:09,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 10:26:09,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 10:26:09,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:26:10,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 10:26:10,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:26:10,801 INFO L290 TraceCheckUtils]: 0: Hoare triple {39137#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {39078#true} is VALID [2022-04-28 10:26:10,801 INFO L290 TraceCheckUtils]: 1: Hoare triple {39078#true} assume true; {39078#true} is VALID [2022-04-28 10:26:10,801 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {39078#true} {39078#true} #63#return; {39078#true} is VALID [2022-04-28 10:26:10,801 INFO L272 TraceCheckUtils]: 0: Hoare triple {39078#true} call ULTIMATE.init(); {39137#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 10:26:10,801 INFO L290 TraceCheckUtils]: 1: Hoare triple {39137#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {39078#true} is VALID [2022-04-28 10:26:10,801 INFO L290 TraceCheckUtils]: 2: Hoare triple {39078#true} assume true; {39078#true} is VALID [2022-04-28 10:26:10,802 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {39078#true} {39078#true} #63#return; {39078#true} is VALID [2022-04-28 10:26:10,802 INFO L272 TraceCheckUtils]: 4: Hoare triple {39078#true} call #t~ret7 := main(); {39078#true} is VALID [2022-04-28 10:26:10,802 INFO L290 TraceCheckUtils]: 5: Hoare triple {39078#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {39078#true} is VALID [2022-04-28 10:26:10,802 INFO L290 TraceCheckUtils]: 6: Hoare triple {39078#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {39078#true} is VALID [2022-04-28 10:26:10,802 INFO L290 TraceCheckUtils]: 7: Hoare triple {39078#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {39083#(= main_~z~0 0)} is VALID [2022-04-28 10:26:10,802 INFO L290 TraceCheckUtils]: 8: Hoare triple {39083#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39084#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:26:10,803 INFO L290 TraceCheckUtils]: 9: Hoare triple {39084#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39085#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:26:10,803 INFO L290 TraceCheckUtils]: 10: Hoare triple {39085#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39086#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:26:10,804 INFO L290 TraceCheckUtils]: 11: Hoare triple {39086#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39087#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:26:10,804 INFO L290 TraceCheckUtils]: 12: Hoare triple {39087#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39088#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:26:10,805 INFO L290 TraceCheckUtils]: 13: Hoare triple {39088#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39089#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:26:10,805 INFO L290 TraceCheckUtils]: 14: Hoare triple {39089#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39090#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:26:10,805 INFO L290 TraceCheckUtils]: 15: Hoare triple {39090#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39091#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:26:10,806 INFO L290 TraceCheckUtils]: 16: Hoare triple {39091#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39092#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:26:10,806 INFO L290 TraceCheckUtils]: 17: Hoare triple {39092#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39093#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:26:10,807 INFO L290 TraceCheckUtils]: 18: Hoare triple {39093#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39094#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:26:10,807 INFO L290 TraceCheckUtils]: 19: Hoare triple {39094#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39095#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:26:10,808 INFO L290 TraceCheckUtils]: 20: Hoare triple {39095#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39096#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:26:10,808 INFO L290 TraceCheckUtils]: 21: Hoare triple {39096#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39097#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:26:10,809 INFO L290 TraceCheckUtils]: 22: Hoare triple {39097#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39098#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:26:10,809 INFO L290 TraceCheckUtils]: 23: Hoare triple {39098#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39099#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:26:10,810 INFO L290 TraceCheckUtils]: 24: Hoare triple {39099#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39100#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:26:10,810 INFO L290 TraceCheckUtils]: 25: Hoare triple {39100#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39101#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:26:10,810 INFO L290 TraceCheckUtils]: 26: Hoare triple {39101#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39102#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:26:10,811 INFO L290 TraceCheckUtils]: 27: Hoare triple {39102#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39103#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 10:26:10,811 INFO L290 TraceCheckUtils]: 28: Hoare triple {39103#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39104#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 10:26:10,812 INFO L290 TraceCheckUtils]: 29: Hoare triple {39104#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39105#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 10:26:10,812 INFO L290 TraceCheckUtils]: 30: Hoare triple {39105#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39106#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 10:26:10,813 INFO L290 TraceCheckUtils]: 31: Hoare triple {39106#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39107#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 10:26:10,813 INFO L290 TraceCheckUtils]: 32: Hoare triple {39107#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39108#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 10:26:10,814 INFO L290 TraceCheckUtils]: 33: Hoare triple {39108#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39109#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 10:26:10,814 INFO L290 TraceCheckUtils]: 34: Hoare triple {39109#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39110#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 10:26:10,815 INFO L290 TraceCheckUtils]: 35: Hoare triple {39110#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39111#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 10:26:10,815 INFO L290 TraceCheckUtils]: 36: Hoare triple {39111#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39112#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 10:26:10,815 INFO L290 TraceCheckUtils]: 37: Hoare triple {39112#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39113#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 10:26:10,816 INFO L290 TraceCheckUtils]: 38: Hoare triple {39113#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39114#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 10:26:10,816 INFO L290 TraceCheckUtils]: 39: Hoare triple {39114#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39115#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 10:26:10,817 INFO L290 TraceCheckUtils]: 40: Hoare triple {39115#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39116#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 10:26:10,817 INFO L290 TraceCheckUtils]: 41: Hoare triple {39116#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39117#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 10:26:10,818 INFO L290 TraceCheckUtils]: 42: Hoare triple {39117#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39118#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 10:26:10,818 INFO L290 TraceCheckUtils]: 43: Hoare triple {39118#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39119#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 10:26:10,819 INFO L290 TraceCheckUtils]: 44: Hoare triple {39119#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39120#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 10:26:10,819 INFO L290 TraceCheckUtils]: 45: Hoare triple {39120#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39121#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 10:26:10,819 INFO L290 TraceCheckUtils]: 46: Hoare triple {39121#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39122#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 10:26:10,820 INFO L290 TraceCheckUtils]: 47: Hoare triple {39122#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39123#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 10:26:10,820 INFO L290 TraceCheckUtils]: 48: Hoare triple {39123#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39124#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 10:26:10,821 INFO L290 TraceCheckUtils]: 49: Hoare triple {39124#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39125#(and (<= 42 main_~z~0) (<= main_~z~0 42))} is VALID [2022-04-28 10:26:10,821 INFO L290 TraceCheckUtils]: 50: Hoare triple {39125#(and (<= 42 main_~z~0) (<= main_~z~0 42))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39126#(and (<= main_~z~0 43) (<= 43 main_~z~0))} is VALID [2022-04-28 10:26:10,822 INFO L290 TraceCheckUtils]: 51: Hoare triple {39126#(and (<= main_~z~0 43) (<= 43 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39127#(and (<= main_~z~0 44) (<= 44 main_~z~0))} is VALID [2022-04-28 10:26:10,822 INFO L290 TraceCheckUtils]: 52: Hoare triple {39127#(and (<= main_~z~0 44) (<= 44 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39128#(and (<= main_~z~0 45) (<= 45 main_~z~0))} is VALID [2022-04-28 10:26:10,823 INFO L290 TraceCheckUtils]: 53: Hoare triple {39128#(and (<= main_~z~0 45) (<= 45 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39129#(and (<= 46 main_~z~0) (<= main_~z~0 46))} is VALID [2022-04-28 10:26:10,823 INFO L290 TraceCheckUtils]: 54: Hoare triple {39129#(and (<= 46 main_~z~0) (<= main_~z~0 46))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39130#(and (<= main_~z~0 47) (<= 47 main_~z~0))} is VALID [2022-04-28 10:26:10,824 INFO L290 TraceCheckUtils]: 55: Hoare triple {39130#(and (<= main_~z~0 47) (<= 47 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39131#(and (<= 48 main_~z~0) (<= main_~z~0 48))} is VALID [2022-04-28 10:26:10,824 INFO L290 TraceCheckUtils]: 56: Hoare triple {39131#(and (<= 48 main_~z~0) (<= main_~z~0 48))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39132#(and (<= 49 main_~z~0) (<= main_~z~0 49))} is VALID [2022-04-28 10:26:10,824 INFO L290 TraceCheckUtils]: 57: Hoare triple {39132#(and (<= 49 main_~z~0) (<= main_~z~0 49))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39133#(and (<= 50 main_~z~0) (<= main_~z~0 50))} is VALID [2022-04-28 10:26:10,825 INFO L290 TraceCheckUtils]: 58: Hoare triple {39133#(and (<= 50 main_~z~0) (<= main_~z~0 50))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39134#(and (<= main_~z~0 51) (<= 51 main_~z~0))} is VALID [2022-04-28 10:26:10,825 INFO L290 TraceCheckUtils]: 59: Hoare triple {39134#(and (<= main_~z~0 51) (<= 51 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39135#(and (<= 52 main_~z~0) (<= main_~z~0 52))} is VALID [2022-04-28 10:26:10,826 INFO L290 TraceCheckUtils]: 60: Hoare triple {39135#(and (<= 52 main_~z~0) (<= main_~z~0 52))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39136#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 53))} is VALID [2022-04-28 10:26:10,826 INFO L290 TraceCheckUtils]: 61: Hoare triple {39136#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 53))} assume !(~z~0 % 4294967296 < 268435455); {39079#false} is VALID [2022-04-28 10:26:10,826 INFO L272 TraceCheckUtils]: 62: Hoare triple {39079#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {39079#false} is VALID [2022-04-28 10:26:10,826 INFO L290 TraceCheckUtils]: 63: Hoare triple {39079#false} ~cond := #in~cond; {39079#false} is VALID [2022-04-28 10:26:10,826 INFO L290 TraceCheckUtils]: 64: Hoare triple {39079#false} assume 0 == ~cond; {39079#false} is VALID [2022-04-28 10:26:10,826 INFO L290 TraceCheckUtils]: 65: Hoare triple {39079#false} assume !false; {39079#false} is VALID [2022-04-28 10:26:10,827 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:26:10,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 10:26:10,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555767406] [2022-04-28 10:26:10,827 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555767406] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 10:26:10,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [407336596] [2022-04-28 10:26:10,827 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-28 10:26:10,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:26:10,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 10:26:10,828 INFO L229 MonitoredProcess]: Starting monitored process 54 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 10:26:10,828 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Waiting until timeout for monitored process [2022-04-28 10:26:10,977 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-28 10:26:10,977 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 10:26:10,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 109 conjunts are in the unsatisfiable core [2022-04-28 10:26:10,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:26:10,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 10:26:11,558 INFO L272 TraceCheckUtils]: 0: Hoare triple {39078#true} call ULTIMATE.init(); {39078#true} is VALID [2022-04-28 10:26:11,558 INFO L290 TraceCheckUtils]: 1: Hoare triple {39078#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {39078#true} is VALID [2022-04-28 10:26:11,558 INFO L290 TraceCheckUtils]: 2: Hoare triple {39078#true} assume true; {39078#true} is VALID [2022-04-28 10:26:11,558 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {39078#true} {39078#true} #63#return; {39078#true} is VALID [2022-04-28 10:26:11,558 INFO L272 TraceCheckUtils]: 4: Hoare triple {39078#true} call #t~ret7 := main(); {39078#true} is VALID [2022-04-28 10:26:11,558 INFO L290 TraceCheckUtils]: 5: Hoare triple {39078#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {39078#true} is VALID [2022-04-28 10:26:11,558 INFO L290 TraceCheckUtils]: 6: Hoare triple {39078#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {39078#true} is VALID [2022-04-28 10:26:11,559 INFO L290 TraceCheckUtils]: 7: Hoare triple {39078#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {39083#(= main_~z~0 0)} is VALID [2022-04-28 10:26:11,559 INFO L290 TraceCheckUtils]: 8: Hoare triple {39083#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39084#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:26:11,559 INFO L290 TraceCheckUtils]: 9: Hoare triple {39084#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39085#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:26:11,560 INFO L290 TraceCheckUtils]: 10: Hoare triple {39085#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39086#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:26:11,560 INFO L290 TraceCheckUtils]: 11: Hoare triple {39086#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39087#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:26:11,561 INFO L290 TraceCheckUtils]: 12: Hoare triple {39087#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39088#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:26:11,561 INFO L290 TraceCheckUtils]: 13: Hoare triple {39088#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39089#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:26:11,562 INFO L290 TraceCheckUtils]: 14: Hoare triple {39089#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39090#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:26:11,562 INFO L290 TraceCheckUtils]: 15: Hoare triple {39090#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39091#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:26:11,563 INFO L290 TraceCheckUtils]: 16: Hoare triple {39091#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39092#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:26:11,563 INFO L290 TraceCheckUtils]: 17: Hoare triple {39092#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39093#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:26:11,564 INFO L290 TraceCheckUtils]: 18: Hoare triple {39093#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39094#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:26:11,564 INFO L290 TraceCheckUtils]: 19: Hoare triple {39094#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39095#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:26:11,564 INFO L290 TraceCheckUtils]: 20: Hoare triple {39095#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39096#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:26:11,565 INFO L290 TraceCheckUtils]: 21: Hoare triple {39096#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39097#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:26:11,565 INFO L290 TraceCheckUtils]: 22: Hoare triple {39097#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39098#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:26:11,566 INFO L290 TraceCheckUtils]: 23: Hoare triple {39098#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39099#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:26:11,566 INFO L290 TraceCheckUtils]: 24: Hoare triple {39099#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39100#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:26:11,567 INFO L290 TraceCheckUtils]: 25: Hoare triple {39100#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39101#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:26:11,567 INFO L290 TraceCheckUtils]: 26: Hoare triple {39101#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39102#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:26:11,568 INFO L290 TraceCheckUtils]: 27: Hoare triple {39102#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39103#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 10:26:11,568 INFO L290 TraceCheckUtils]: 28: Hoare triple {39103#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39104#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 10:26:11,569 INFO L290 TraceCheckUtils]: 29: Hoare triple {39104#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39105#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 10:26:11,569 INFO L290 TraceCheckUtils]: 30: Hoare triple {39105#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39106#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 10:26:11,569 INFO L290 TraceCheckUtils]: 31: Hoare triple {39106#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39107#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 10:26:11,570 INFO L290 TraceCheckUtils]: 32: Hoare triple {39107#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39108#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 10:26:11,570 INFO L290 TraceCheckUtils]: 33: Hoare triple {39108#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39109#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 10:26:11,571 INFO L290 TraceCheckUtils]: 34: Hoare triple {39109#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39110#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 10:26:11,571 INFO L290 TraceCheckUtils]: 35: Hoare triple {39110#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39111#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 10:26:11,572 INFO L290 TraceCheckUtils]: 36: Hoare triple {39111#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39112#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 10:26:11,572 INFO L290 TraceCheckUtils]: 37: Hoare triple {39112#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39113#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 10:26:11,573 INFO L290 TraceCheckUtils]: 38: Hoare triple {39113#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39114#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 10:26:11,573 INFO L290 TraceCheckUtils]: 39: Hoare triple {39114#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39115#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 10:26:11,574 INFO L290 TraceCheckUtils]: 40: Hoare triple {39115#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39116#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 10:26:11,574 INFO L290 TraceCheckUtils]: 41: Hoare triple {39116#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39117#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 10:26:11,574 INFO L290 TraceCheckUtils]: 42: Hoare triple {39117#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39118#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 10:26:11,575 INFO L290 TraceCheckUtils]: 43: Hoare triple {39118#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39119#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 10:26:11,575 INFO L290 TraceCheckUtils]: 44: Hoare triple {39119#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39120#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 10:26:11,576 INFO L290 TraceCheckUtils]: 45: Hoare triple {39120#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39121#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 10:26:11,576 INFO L290 TraceCheckUtils]: 46: Hoare triple {39121#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39122#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 10:26:11,577 INFO L290 TraceCheckUtils]: 47: Hoare triple {39122#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39123#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 10:26:11,577 INFO L290 TraceCheckUtils]: 48: Hoare triple {39123#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39124#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 10:26:11,578 INFO L290 TraceCheckUtils]: 49: Hoare triple {39124#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39125#(and (<= 42 main_~z~0) (<= main_~z~0 42))} is VALID [2022-04-28 10:26:11,578 INFO L290 TraceCheckUtils]: 50: Hoare triple {39125#(and (<= 42 main_~z~0) (<= main_~z~0 42))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39126#(and (<= main_~z~0 43) (<= 43 main_~z~0))} is VALID [2022-04-28 10:26:11,578 INFO L290 TraceCheckUtils]: 51: Hoare triple {39126#(and (<= main_~z~0 43) (<= 43 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39127#(and (<= main_~z~0 44) (<= 44 main_~z~0))} is VALID [2022-04-28 10:26:11,579 INFO L290 TraceCheckUtils]: 52: Hoare triple {39127#(and (<= main_~z~0 44) (<= 44 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39128#(and (<= main_~z~0 45) (<= 45 main_~z~0))} is VALID [2022-04-28 10:26:11,579 INFO L290 TraceCheckUtils]: 53: Hoare triple {39128#(and (<= main_~z~0 45) (<= 45 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39129#(and (<= 46 main_~z~0) (<= main_~z~0 46))} is VALID [2022-04-28 10:26:11,580 INFO L290 TraceCheckUtils]: 54: Hoare triple {39129#(and (<= 46 main_~z~0) (<= main_~z~0 46))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39130#(and (<= main_~z~0 47) (<= 47 main_~z~0))} is VALID [2022-04-28 10:26:11,580 INFO L290 TraceCheckUtils]: 55: Hoare triple {39130#(and (<= main_~z~0 47) (<= 47 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39131#(and (<= 48 main_~z~0) (<= main_~z~0 48))} is VALID [2022-04-28 10:26:11,581 INFO L290 TraceCheckUtils]: 56: Hoare triple {39131#(and (<= 48 main_~z~0) (<= main_~z~0 48))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39132#(and (<= 49 main_~z~0) (<= main_~z~0 49))} is VALID [2022-04-28 10:26:11,581 INFO L290 TraceCheckUtils]: 57: Hoare triple {39132#(and (<= 49 main_~z~0) (<= main_~z~0 49))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39133#(and (<= 50 main_~z~0) (<= main_~z~0 50))} is VALID [2022-04-28 10:26:11,582 INFO L290 TraceCheckUtils]: 58: Hoare triple {39133#(and (<= 50 main_~z~0) (<= main_~z~0 50))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39134#(and (<= main_~z~0 51) (<= 51 main_~z~0))} is VALID [2022-04-28 10:26:11,582 INFO L290 TraceCheckUtils]: 59: Hoare triple {39134#(and (<= main_~z~0 51) (<= 51 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39135#(and (<= 52 main_~z~0) (<= main_~z~0 52))} is VALID [2022-04-28 10:26:11,583 INFO L290 TraceCheckUtils]: 60: Hoare triple {39135#(and (<= 52 main_~z~0) (<= main_~z~0 52))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39321#(and (<= 53 main_~z~0) (<= main_~z~0 53))} is VALID [2022-04-28 10:26:11,583 INFO L290 TraceCheckUtils]: 61: Hoare triple {39321#(and (<= 53 main_~z~0) (<= main_~z~0 53))} assume !(~z~0 % 4294967296 < 268435455); {39079#false} is VALID [2022-04-28 10:26:11,583 INFO L272 TraceCheckUtils]: 62: Hoare triple {39079#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {39079#false} is VALID [2022-04-28 10:26:11,583 INFO L290 TraceCheckUtils]: 63: Hoare triple {39079#false} ~cond := #in~cond; {39079#false} is VALID [2022-04-28 10:26:11,583 INFO L290 TraceCheckUtils]: 64: Hoare triple {39079#false} assume 0 == ~cond; {39079#false} is VALID [2022-04-28 10:26:11,583 INFO L290 TraceCheckUtils]: 65: Hoare triple {39079#false} assume !false; {39079#false} is VALID [2022-04-28 10:26:11,584 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:26:11,584 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 10:26:15,662 INFO L290 TraceCheckUtils]: 65: Hoare triple {39079#false} assume !false; {39079#false} is VALID [2022-04-28 10:26:15,662 INFO L290 TraceCheckUtils]: 64: Hoare triple {39079#false} assume 0 == ~cond; {39079#false} is VALID [2022-04-28 10:26:15,662 INFO L290 TraceCheckUtils]: 63: Hoare triple {39079#false} ~cond := #in~cond; {39079#false} is VALID [2022-04-28 10:26:15,662 INFO L272 TraceCheckUtils]: 62: Hoare triple {39079#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {39079#false} is VALID [2022-04-28 10:26:15,663 INFO L290 TraceCheckUtils]: 61: Hoare triple {39349#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {39079#false} is VALID [2022-04-28 10:26:15,663 INFO L290 TraceCheckUtils]: 60: Hoare triple {39353#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39349#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 10:26:15,664 INFO L290 TraceCheckUtils]: 59: Hoare triple {39357#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39353#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 10:26:15,664 INFO L290 TraceCheckUtils]: 58: Hoare triple {39361#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39357#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 10:26:15,665 INFO L290 TraceCheckUtils]: 57: Hoare triple {39365#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39361#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 10:26:15,665 INFO L290 TraceCheckUtils]: 56: Hoare triple {39369#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39365#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 10:26:15,666 INFO L290 TraceCheckUtils]: 55: Hoare triple {39373#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39369#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:26:15,667 INFO L290 TraceCheckUtils]: 54: Hoare triple {39377#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39373#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} is VALID [2022-04-28 10:26:15,667 INFO L290 TraceCheckUtils]: 53: Hoare triple {39381#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39377#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:26:15,668 INFO L290 TraceCheckUtils]: 52: Hoare triple {39385#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39381#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} is VALID [2022-04-28 10:26:15,668 INFO L290 TraceCheckUtils]: 51: Hoare triple {39389#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39385#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} is VALID [2022-04-28 10:26:15,669 INFO L290 TraceCheckUtils]: 50: Hoare triple {39393#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39389#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} is VALID [2022-04-28 10:26:15,669 INFO L290 TraceCheckUtils]: 49: Hoare triple {39397#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39393#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} is VALID [2022-04-28 10:26:15,670 INFO L290 TraceCheckUtils]: 48: Hoare triple {39401#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39397#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} is VALID [2022-04-28 10:26:15,670 INFO L290 TraceCheckUtils]: 47: Hoare triple {39405#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39401#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} is VALID [2022-04-28 10:26:15,671 INFO L290 TraceCheckUtils]: 46: Hoare triple {39409#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39405#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} is VALID [2022-04-28 10:26:15,671 INFO L290 TraceCheckUtils]: 45: Hoare triple {39413#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39409#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} is VALID [2022-04-28 10:26:15,672 INFO L290 TraceCheckUtils]: 44: Hoare triple {39417#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39413#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} is VALID [2022-04-28 10:26:15,673 INFO L290 TraceCheckUtils]: 43: Hoare triple {39421#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39417#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} is VALID [2022-04-28 10:26:15,673 INFO L290 TraceCheckUtils]: 42: Hoare triple {39425#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39421#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} is VALID [2022-04-28 10:26:15,674 INFO L290 TraceCheckUtils]: 41: Hoare triple {39429#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39425#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:26:15,674 INFO L290 TraceCheckUtils]: 40: Hoare triple {39433#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39429#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} is VALID [2022-04-28 10:26:15,675 INFO L290 TraceCheckUtils]: 39: Hoare triple {39437#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39433#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} is VALID [2022-04-28 10:26:15,675 INFO L290 TraceCheckUtils]: 38: Hoare triple {39441#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39437#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} is VALID [2022-04-28 10:26:15,676 INFO L290 TraceCheckUtils]: 37: Hoare triple {39445#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39441#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:26:15,676 INFO L290 TraceCheckUtils]: 36: Hoare triple {39449#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39445#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} is VALID [2022-04-28 10:26:15,677 INFO L290 TraceCheckUtils]: 35: Hoare triple {39453#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39449#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} is VALID [2022-04-28 10:26:15,677 INFO L290 TraceCheckUtils]: 34: Hoare triple {39457#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39453#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} is VALID [2022-04-28 10:26:15,678 INFO L290 TraceCheckUtils]: 33: Hoare triple {39461#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39457#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} is VALID [2022-04-28 10:26:15,679 INFO L290 TraceCheckUtils]: 32: Hoare triple {39465#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39461#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} is VALID [2022-04-28 10:26:15,679 INFO L290 TraceCheckUtils]: 31: Hoare triple {39469#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39465#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:26:15,680 INFO L290 TraceCheckUtils]: 30: Hoare triple {39473#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39469#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:26:15,680 INFO L290 TraceCheckUtils]: 29: Hoare triple {39477#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39473#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} is VALID [2022-04-28 10:26:15,681 INFO L290 TraceCheckUtils]: 28: Hoare triple {39481#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39477#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:26:15,681 INFO L290 TraceCheckUtils]: 27: Hoare triple {39485#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39481#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} is VALID [2022-04-28 10:26:15,682 INFO L290 TraceCheckUtils]: 26: Hoare triple {39489#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39485#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} is VALID [2022-04-28 10:26:15,682 INFO L290 TraceCheckUtils]: 25: Hoare triple {39493#(< (mod (+ main_~z~0 36) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39489#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:26:15,683 INFO L290 TraceCheckUtils]: 24: Hoare triple {39497#(< (mod (+ main_~z~0 37) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39493#(< (mod (+ main_~z~0 36) 4294967296) 268435455)} is VALID [2022-04-28 10:26:15,684 INFO L290 TraceCheckUtils]: 23: Hoare triple {39501#(< (mod (+ main_~z~0 38) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39497#(< (mod (+ main_~z~0 37) 4294967296) 268435455)} is VALID [2022-04-28 10:26:15,684 INFO L290 TraceCheckUtils]: 22: Hoare triple {39505#(< (mod (+ main_~z~0 39) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39501#(< (mod (+ main_~z~0 38) 4294967296) 268435455)} is VALID [2022-04-28 10:26:15,685 INFO L290 TraceCheckUtils]: 21: Hoare triple {39509#(< (mod (+ 40 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39505#(< (mod (+ main_~z~0 39) 4294967296) 268435455)} is VALID [2022-04-28 10:26:15,685 INFO L290 TraceCheckUtils]: 20: Hoare triple {39513#(< (mod (+ 41 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39509#(< (mod (+ 40 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:26:15,686 INFO L290 TraceCheckUtils]: 19: Hoare triple {39517#(< (mod (+ 42 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39513#(< (mod (+ 41 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:26:15,686 INFO L290 TraceCheckUtils]: 18: Hoare triple {39521#(< (mod (+ main_~z~0 43) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39517#(< (mod (+ 42 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:26:15,687 INFO L290 TraceCheckUtils]: 17: Hoare triple {39525#(< (mod (+ 44 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39521#(< (mod (+ main_~z~0 43) 4294967296) 268435455)} is VALID [2022-04-28 10:26:15,687 INFO L290 TraceCheckUtils]: 16: Hoare triple {39529#(< (mod (+ main_~z~0 45) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39525#(< (mod (+ 44 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:26:15,688 INFO L290 TraceCheckUtils]: 15: Hoare triple {39533#(< (mod (+ main_~z~0 46) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39529#(< (mod (+ main_~z~0 45) 4294967296) 268435455)} is VALID [2022-04-28 10:26:15,689 INFO L290 TraceCheckUtils]: 14: Hoare triple {39537#(< (mod (+ main_~z~0 47) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39533#(< (mod (+ main_~z~0 46) 4294967296) 268435455)} is VALID [2022-04-28 10:26:15,689 INFO L290 TraceCheckUtils]: 13: Hoare triple {39541#(< (mod (+ main_~z~0 48) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39537#(< (mod (+ main_~z~0 47) 4294967296) 268435455)} is VALID [2022-04-28 10:26:15,690 INFO L290 TraceCheckUtils]: 12: Hoare triple {39545#(< (mod (+ 49 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39541#(< (mod (+ main_~z~0 48) 4294967296) 268435455)} is VALID [2022-04-28 10:26:15,690 INFO L290 TraceCheckUtils]: 11: Hoare triple {39549#(< (mod (+ main_~z~0 50) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39545#(< (mod (+ 49 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:26:15,691 INFO L290 TraceCheckUtils]: 10: Hoare triple {39553#(< (mod (+ 51 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39549#(< (mod (+ main_~z~0 50) 4294967296) 268435455)} is VALID [2022-04-28 10:26:15,691 INFO L290 TraceCheckUtils]: 9: Hoare triple {39557#(< (mod (+ main_~z~0 52) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39553#(< (mod (+ 51 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:26:15,692 INFO L290 TraceCheckUtils]: 8: Hoare triple {39561#(< (mod (+ 53 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {39557#(< (mod (+ main_~z~0 52) 4294967296) 268435455)} is VALID [2022-04-28 10:26:15,692 INFO L290 TraceCheckUtils]: 7: Hoare triple {39078#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {39561#(< (mod (+ 53 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:26:15,692 INFO L290 TraceCheckUtils]: 6: Hoare triple {39078#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {39078#true} is VALID [2022-04-28 10:26:15,692 INFO L290 TraceCheckUtils]: 5: Hoare triple {39078#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {39078#true} is VALID [2022-04-28 10:26:15,692 INFO L272 TraceCheckUtils]: 4: Hoare triple {39078#true} call #t~ret7 := main(); {39078#true} is VALID [2022-04-28 10:26:15,692 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {39078#true} {39078#true} #63#return; {39078#true} is VALID [2022-04-28 10:26:15,693 INFO L290 TraceCheckUtils]: 2: Hoare triple {39078#true} assume true; {39078#true} is VALID [2022-04-28 10:26:15,693 INFO L290 TraceCheckUtils]: 1: Hoare triple {39078#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {39078#true} is VALID [2022-04-28 10:26:15,693 INFO L272 TraceCheckUtils]: 0: Hoare triple {39078#true} call ULTIMATE.init(); {39078#true} is VALID [2022-04-28 10:26:15,693 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:26:15,693 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [407336596] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 10:26:15,693 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 10:26:15,693 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [57, 56, 56] total 112 [2022-04-28 10:26:15,693 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 10:26:15,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [725901140] [2022-04-28 10:26:15,693 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [725901140] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 10:26:15,694 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 10:26:15,694 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [57] imperfect sequences [] total 57 [2022-04-28 10:26:15,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770480120] [2022-04-28 10:26:15,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 10:26:15,694 INFO L78 Accepts]: Start accepts. Automaton has has 57 states, 57 states have (on average 1.087719298245614) internal successors, (62), 56 states have internal predecessors, (62), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 66 [2022-04-28 10:26:15,694 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 10:26:15,694 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 57 states, 57 states have (on average 1.087719298245614) internal successors, (62), 56 states have internal predecessors, (62), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:26:15,726 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 66 edges. 66 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:26:15,726 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2022-04-28 10:26:15,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 10:26:15,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2022-04-28 10:26:15,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3245, Invalid=9187, Unknown=0, NotChecked=0, Total=12432 [2022-04-28 10:26:15,727 INFO L87 Difference]: Start difference. First operand 75 states and 79 transitions. Second operand has 57 states, 57 states have (on average 1.087719298245614) internal successors, (62), 56 states have internal predecessors, (62), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:26:21,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:26:21,501 INFO L93 Difference]: Finished difference Result 145 states and 154 transitions. [2022-04-28 10:26:21,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-04-28 10:26:21,501 INFO L78 Accepts]: Start accepts. Automaton has has 57 states, 57 states have (on average 1.087719298245614) internal successors, (62), 56 states have internal predecessors, (62), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 66 [2022-04-28 10:26:21,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 10:26:21,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 57 states have (on average 1.087719298245614) internal successors, (62), 56 states have internal predecessors, (62), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:26:21,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 99 transitions. [2022-04-28 10:26:21,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 57 states have (on average 1.087719298245614) internal successors, (62), 56 states have internal predecessors, (62), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:26:21,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 99 transitions. [2022-04-28 10:26:21,503 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 57 states and 99 transitions. [2022-04-28 10:26:21,566 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 99 edges. 99 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:26:21,566 INFO L225 Difference]: With dead ends: 145 [2022-04-28 10:26:21,566 INFO L226 Difference]: Without dead ends: 77 [2022-04-28 10:26:21,568 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 80 SyntacticMatches, 1 SemanticMatches, 164 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1543 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=6483, Invalid=20907, Unknown=0, NotChecked=0, Total=27390 [2022-04-28 10:26:21,568 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 17 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 3422 mSolverCounterSat, 113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 3535 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 113 IncrementalHoareTripleChecker+Valid, 3422 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-04-28 10:26:21,568 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 173 Invalid, 3535 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [113 Valid, 3422 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-04-28 10:26:21,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2022-04-28 10:26:21,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 76. [2022-04-28 10:26:21,664 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 10:26:21,664 INFO L82 GeneralOperation]: Start isEquivalent. First operand 77 states. Second operand has 76 states, 68 states have (on average 1.0588235294117647) internal successors, (72), 69 states have internal predecessors, (72), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:26:21,664 INFO L74 IsIncluded]: Start isIncluded. First operand 77 states. Second operand has 76 states, 68 states have (on average 1.0588235294117647) internal successors, (72), 69 states have internal predecessors, (72), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:26:21,664 INFO L87 Difference]: Start difference. First operand 77 states. Second operand has 76 states, 68 states have (on average 1.0588235294117647) internal successors, (72), 69 states have internal predecessors, (72), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:26:21,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:26:21,665 INFO L93 Difference]: Finished difference Result 77 states and 81 transitions. [2022-04-28 10:26:21,665 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 81 transitions. [2022-04-28 10:26:21,665 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:26:21,665 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:26:21,665 INFO L74 IsIncluded]: Start isIncluded. First operand has 76 states, 68 states have (on average 1.0588235294117647) internal successors, (72), 69 states have internal predecessors, (72), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 77 states. [2022-04-28 10:26:21,665 INFO L87 Difference]: Start difference. First operand has 76 states, 68 states have (on average 1.0588235294117647) internal successors, (72), 69 states have internal predecessors, (72), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 77 states. [2022-04-28 10:26:21,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:26:21,666 INFO L93 Difference]: Finished difference Result 77 states and 81 transitions. [2022-04-28 10:26:21,666 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 81 transitions. [2022-04-28 10:26:21,666 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:26:21,666 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:26:21,666 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 10:26:21,666 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 10:26:21,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 68 states have (on average 1.0588235294117647) internal successors, (72), 69 states have internal predecessors, (72), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:26:21,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 80 transitions. [2022-04-28 10:26:21,667 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 80 transitions. Word has length 66 [2022-04-28 10:26:21,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 10:26:21,667 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 80 transitions. [2022-04-28 10:26:21,667 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 57 states have (on average 1.087719298245614) internal successors, (62), 56 states have internal predecessors, (62), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:26:21,667 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 76 states and 80 transitions. [2022-04-28 10:26:21,742 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 80 edges. 80 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:26:21,743 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 80 transitions. [2022-04-28 10:26:21,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-04-28 10:26:21,743 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 10:26:21,743 INFO L195 NwaCegarLoop]: trace histogram [54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 10:26:21,761 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Forceful destruction successful, exit code 0 [2022-04-28 10:26:21,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 54 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable56 [2022-04-28 10:26:21,951 INFO L420 AbstractCegarLoop]: === Iteration 58 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 10:26:21,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 10:26:21,952 INFO L85 PathProgramCache]: Analyzing trace with hash 369971010, now seen corresponding path program 107 times [2022-04-28 10:26:21,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 10:26:21,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1569437191] [2022-04-28 10:26:21,954 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-28 10:26:21,954 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-28 10:26:21,954 INFO L85 PathProgramCache]: Analyzing trace with hash 369971010, now seen corresponding path program 108 times [2022-04-28 10:26:21,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 10:26:21,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264951297] [2022-04-28 10:26:21,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 10:26:21,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 10:26:21,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:26:23,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 10:26:23,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:26:23,327 INFO L290 TraceCheckUtils]: 0: Hoare triple {40353#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {40293#true} is VALID [2022-04-28 10:26:23,327 INFO L290 TraceCheckUtils]: 1: Hoare triple {40293#true} assume true; {40293#true} is VALID [2022-04-28 10:26:23,327 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {40293#true} {40293#true} #63#return; {40293#true} is VALID [2022-04-28 10:26:23,328 INFO L272 TraceCheckUtils]: 0: Hoare triple {40293#true} call ULTIMATE.init(); {40353#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 10:26:23,328 INFO L290 TraceCheckUtils]: 1: Hoare triple {40353#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {40293#true} is VALID [2022-04-28 10:26:23,328 INFO L290 TraceCheckUtils]: 2: Hoare triple {40293#true} assume true; {40293#true} is VALID [2022-04-28 10:26:23,328 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {40293#true} {40293#true} #63#return; {40293#true} is VALID [2022-04-28 10:26:23,328 INFO L272 TraceCheckUtils]: 4: Hoare triple {40293#true} call #t~ret7 := main(); {40293#true} is VALID [2022-04-28 10:26:23,328 INFO L290 TraceCheckUtils]: 5: Hoare triple {40293#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {40293#true} is VALID [2022-04-28 10:26:23,328 INFO L290 TraceCheckUtils]: 6: Hoare triple {40293#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {40293#true} is VALID [2022-04-28 10:26:23,328 INFO L290 TraceCheckUtils]: 7: Hoare triple {40293#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {40298#(= main_~z~0 0)} is VALID [2022-04-28 10:26:23,329 INFO L290 TraceCheckUtils]: 8: Hoare triple {40298#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40299#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:26:23,329 INFO L290 TraceCheckUtils]: 9: Hoare triple {40299#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40300#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:26:23,330 INFO L290 TraceCheckUtils]: 10: Hoare triple {40300#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40301#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:26:23,330 INFO L290 TraceCheckUtils]: 11: Hoare triple {40301#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40302#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:26:23,330 INFO L290 TraceCheckUtils]: 12: Hoare triple {40302#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40303#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:26:23,331 INFO L290 TraceCheckUtils]: 13: Hoare triple {40303#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40304#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:26:23,331 INFO L290 TraceCheckUtils]: 14: Hoare triple {40304#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40305#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:26:23,332 INFO L290 TraceCheckUtils]: 15: Hoare triple {40305#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40306#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:26:23,332 INFO L290 TraceCheckUtils]: 16: Hoare triple {40306#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40307#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:26:23,333 INFO L290 TraceCheckUtils]: 17: Hoare triple {40307#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40308#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:26:23,333 INFO L290 TraceCheckUtils]: 18: Hoare triple {40308#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40309#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:26:23,334 INFO L290 TraceCheckUtils]: 19: Hoare triple {40309#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40310#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:26:23,334 INFO L290 TraceCheckUtils]: 20: Hoare triple {40310#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40311#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:26:23,335 INFO L290 TraceCheckUtils]: 21: Hoare triple {40311#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40312#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:26:23,335 INFO L290 TraceCheckUtils]: 22: Hoare triple {40312#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40313#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:26:23,335 INFO L290 TraceCheckUtils]: 23: Hoare triple {40313#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40314#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:26:23,336 INFO L290 TraceCheckUtils]: 24: Hoare triple {40314#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40315#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:26:23,336 INFO L290 TraceCheckUtils]: 25: Hoare triple {40315#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40316#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:26:23,337 INFO L290 TraceCheckUtils]: 26: Hoare triple {40316#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40317#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:26:23,337 INFO L290 TraceCheckUtils]: 27: Hoare triple {40317#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40318#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 10:26:23,338 INFO L290 TraceCheckUtils]: 28: Hoare triple {40318#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40319#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 10:26:23,338 INFO L290 TraceCheckUtils]: 29: Hoare triple {40319#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40320#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 10:26:23,339 INFO L290 TraceCheckUtils]: 30: Hoare triple {40320#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40321#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 10:26:23,339 INFO L290 TraceCheckUtils]: 31: Hoare triple {40321#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40322#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 10:26:23,339 INFO L290 TraceCheckUtils]: 32: Hoare triple {40322#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40323#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 10:26:23,340 INFO L290 TraceCheckUtils]: 33: Hoare triple {40323#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40324#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 10:26:23,340 INFO L290 TraceCheckUtils]: 34: Hoare triple {40324#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40325#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 10:26:23,341 INFO L290 TraceCheckUtils]: 35: Hoare triple {40325#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40326#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 10:26:23,341 INFO L290 TraceCheckUtils]: 36: Hoare triple {40326#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40327#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 10:26:23,342 INFO L290 TraceCheckUtils]: 37: Hoare triple {40327#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40328#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 10:26:23,342 INFO L290 TraceCheckUtils]: 38: Hoare triple {40328#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40329#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 10:26:23,343 INFO L290 TraceCheckUtils]: 39: Hoare triple {40329#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40330#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 10:26:23,343 INFO L290 TraceCheckUtils]: 40: Hoare triple {40330#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40331#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 10:26:23,343 INFO L290 TraceCheckUtils]: 41: Hoare triple {40331#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40332#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 10:26:23,344 INFO L290 TraceCheckUtils]: 42: Hoare triple {40332#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40333#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 10:26:23,344 INFO L290 TraceCheckUtils]: 43: Hoare triple {40333#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40334#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 10:26:23,345 INFO L290 TraceCheckUtils]: 44: Hoare triple {40334#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40335#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 10:26:23,345 INFO L290 TraceCheckUtils]: 45: Hoare triple {40335#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40336#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 10:26:23,346 INFO L290 TraceCheckUtils]: 46: Hoare triple {40336#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40337#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 10:26:23,346 INFO L290 TraceCheckUtils]: 47: Hoare triple {40337#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40338#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 10:26:23,347 INFO L290 TraceCheckUtils]: 48: Hoare triple {40338#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40339#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 10:26:23,347 INFO L290 TraceCheckUtils]: 49: Hoare triple {40339#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40340#(and (<= 42 main_~z~0) (<= main_~z~0 42))} is VALID [2022-04-28 10:26:23,347 INFO L290 TraceCheckUtils]: 50: Hoare triple {40340#(and (<= 42 main_~z~0) (<= main_~z~0 42))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40341#(and (<= main_~z~0 43) (<= 43 main_~z~0))} is VALID [2022-04-28 10:26:23,348 INFO L290 TraceCheckUtils]: 51: Hoare triple {40341#(and (<= main_~z~0 43) (<= 43 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40342#(and (<= main_~z~0 44) (<= 44 main_~z~0))} is VALID [2022-04-28 10:26:23,348 INFO L290 TraceCheckUtils]: 52: Hoare triple {40342#(and (<= main_~z~0 44) (<= 44 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40343#(and (<= main_~z~0 45) (<= 45 main_~z~0))} is VALID [2022-04-28 10:26:23,349 INFO L290 TraceCheckUtils]: 53: Hoare triple {40343#(and (<= main_~z~0 45) (<= 45 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40344#(and (<= 46 main_~z~0) (<= main_~z~0 46))} is VALID [2022-04-28 10:26:23,349 INFO L290 TraceCheckUtils]: 54: Hoare triple {40344#(and (<= 46 main_~z~0) (<= main_~z~0 46))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40345#(and (<= main_~z~0 47) (<= 47 main_~z~0))} is VALID [2022-04-28 10:26:23,350 INFO L290 TraceCheckUtils]: 55: Hoare triple {40345#(and (<= main_~z~0 47) (<= 47 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40346#(and (<= 48 main_~z~0) (<= main_~z~0 48))} is VALID [2022-04-28 10:26:23,350 INFO L290 TraceCheckUtils]: 56: Hoare triple {40346#(and (<= 48 main_~z~0) (<= main_~z~0 48))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40347#(and (<= 49 main_~z~0) (<= main_~z~0 49))} is VALID [2022-04-28 10:26:23,351 INFO L290 TraceCheckUtils]: 57: Hoare triple {40347#(and (<= 49 main_~z~0) (<= main_~z~0 49))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40348#(and (<= 50 main_~z~0) (<= main_~z~0 50))} is VALID [2022-04-28 10:26:23,351 INFO L290 TraceCheckUtils]: 58: Hoare triple {40348#(and (<= 50 main_~z~0) (<= main_~z~0 50))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40349#(and (<= main_~z~0 51) (<= 51 main_~z~0))} is VALID [2022-04-28 10:26:23,351 INFO L290 TraceCheckUtils]: 59: Hoare triple {40349#(and (<= main_~z~0 51) (<= 51 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40350#(and (<= 52 main_~z~0) (<= main_~z~0 52))} is VALID [2022-04-28 10:26:23,352 INFO L290 TraceCheckUtils]: 60: Hoare triple {40350#(and (<= 52 main_~z~0) (<= main_~z~0 52))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40351#(and (<= 53 main_~z~0) (<= main_~z~0 53))} is VALID [2022-04-28 10:26:23,352 INFO L290 TraceCheckUtils]: 61: Hoare triple {40351#(and (<= 53 main_~z~0) (<= main_~z~0 53))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40352#(and (<= main_~z~0 54) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} is VALID [2022-04-28 10:26:23,353 INFO L290 TraceCheckUtils]: 62: Hoare triple {40352#(and (<= main_~z~0 54) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} assume !(~z~0 % 4294967296 < 268435455); {40294#false} is VALID [2022-04-28 10:26:23,353 INFO L272 TraceCheckUtils]: 63: Hoare triple {40294#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {40294#false} is VALID [2022-04-28 10:26:23,353 INFO L290 TraceCheckUtils]: 64: Hoare triple {40294#false} ~cond := #in~cond; {40294#false} is VALID [2022-04-28 10:26:23,353 INFO L290 TraceCheckUtils]: 65: Hoare triple {40294#false} assume 0 == ~cond; {40294#false} is VALID [2022-04-28 10:26:23,353 INFO L290 TraceCheckUtils]: 66: Hoare triple {40294#false} assume !false; {40294#false} is VALID [2022-04-28 10:26:23,353 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:26:23,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 10:26:23,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264951297] [2022-04-28 10:26:23,354 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264951297] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 10:26:23,354 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1487752832] [2022-04-28 10:26:23,354 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-04-28 10:26:23,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:26:23,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 10:26:23,355 INFO L229 MonitoredProcess]: Starting monitored process 55 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 10:26:23,356 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (55)] Waiting until timeout for monitored process [2022-04-28 10:26:29,501 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 28 check-sat command(s) [2022-04-28 10:26:29,501 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 10:26:29,510 WARN L261 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 116 conjunts are in the unsatisfiable core [2022-04-28 10:26:29,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:26:29,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 10:26:30,129 INFO L272 TraceCheckUtils]: 0: Hoare triple {40293#true} call ULTIMATE.init(); {40293#true} is VALID [2022-04-28 10:26:30,129 INFO L290 TraceCheckUtils]: 1: Hoare triple {40293#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {40293#true} is VALID [2022-04-28 10:26:30,129 INFO L290 TraceCheckUtils]: 2: Hoare triple {40293#true} assume true; {40293#true} is VALID [2022-04-28 10:26:30,130 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {40293#true} {40293#true} #63#return; {40293#true} is VALID [2022-04-28 10:26:30,130 INFO L272 TraceCheckUtils]: 4: Hoare triple {40293#true} call #t~ret7 := main(); {40293#true} is VALID [2022-04-28 10:26:30,130 INFO L290 TraceCheckUtils]: 5: Hoare triple {40293#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {40293#true} is VALID [2022-04-28 10:26:30,130 INFO L290 TraceCheckUtils]: 6: Hoare triple {40293#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {40293#true} is VALID [2022-04-28 10:26:30,130 INFO L290 TraceCheckUtils]: 7: Hoare triple {40293#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {40298#(= main_~z~0 0)} is VALID [2022-04-28 10:26:30,130 INFO L290 TraceCheckUtils]: 8: Hoare triple {40298#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40299#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:26:30,131 INFO L290 TraceCheckUtils]: 9: Hoare triple {40299#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40300#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:26:30,131 INFO L290 TraceCheckUtils]: 10: Hoare triple {40300#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40301#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:26:30,132 INFO L290 TraceCheckUtils]: 11: Hoare triple {40301#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40302#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:26:30,132 INFO L290 TraceCheckUtils]: 12: Hoare triple {40302#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40303#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:26:30,133 INFO L290 TraceCheckUtils]: 13: Hoare triple {40303#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40304#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:26:30,133 INFO L290 TraceCheckUtils]: 14: Hoare triple {40304#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40305#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:26:30,134 INFO L290 TraceCheckUtils]: 15: Hoare triple {40305#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40306#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:26:30,134 INFO L290 TraceCheckUtils]: 16: Hoare triple {40306#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40307#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:26:30,134 INFO L290 TraceCheckUtils]: 17: Hoare triple {40307#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40308#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:26:30,135 INFO L290 TraceCheckUtils]: 18: Hoare triple {40308#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40309#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:26:30,135 INFO L290 TraceCheckUtils]: 19: Hoare triple {40309#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40310#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:26:30,136 INFO L290 TraceCheckUtils]: 20: Hoare triple {40310#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40311#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:26:30,136 INFO L290 TraceCheckUtils]: 21: Hoare triple {40311#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40312#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:26:30,137 INFO L290 TraceCheckUtils]: 22: Hoare triple {40312#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40313#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:26:30,137 INFO L290 TraceCheckUtils]: 23: Hoare triple {40313#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40314#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:26:30,138 INFO L290 TraceCheckUtils]: 24: Hoare triple {40314#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40315#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:26:30,138 INFO L290 TraceCheckUtils]: 25: Hoare triple {40315#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40316#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:26:30,139 INFO L290 TraceCheckUtils]: 26: Hoare triple {40316#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40317#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:26:30,139 INFO L290 TraceCheckUtils]: 27: Hoare triple {40317#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40318#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 10:26:30,139 INFO L290 TraceCheckUtils]: 28: Hoare triple {40318#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40319#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 10:26:30,140 INFO L290 TraceCheckUtils]: 29: Hoare triple {40319#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40320#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 10:26:30,140 INFO L290 TraceCheckUtils]: 30: Hoare triple {40320#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40321#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 10:26:30,141 INFO L290 TraceCheckUtils]: 31: Hoare triple {40321#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40322#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 10:26:30,141 INFO L290 TraceCheckUtils]: 32: Hoare triple {40322#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40323#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 10:26:30,142 INFO L290 TraceCheckUtils]: 33: Hoare triple {40323#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40324#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 10:26:30,142 INFO L290 TraceCheckUtils]: 34: Hoare triple {40324#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40325#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 10:26:30,143 INFO L290 TraceCheckUtils]: 35: Hoare triple {40325#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40326#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 10:26:30,143 INFO L290 TraceCheckUtils]: 36: Hoare triple {40326#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40327#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 10:26:30,144 INFO L290 TraceCheckUtils]: 37: Hoare triple {40327#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40328#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 10:26:30,144 INFO L290 TraceCheckUtils]: 38: Hoare triple {40328#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40329#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 10:26:30,144 INFO L290 TraceCheckUtils]: 39: Hoare triple {40329#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40330#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 10:26:30,145 INFO L290 TraceCheckUtils]: 40: Hoare triple {40330#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40331#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 10:26:30,145 INFO L290 TraceCheckUtils]: 41: Hoare triple {40331#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40332#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 10:26:30,146 INFO L290 TraceCheckUtils]: 42: Hoare triple {40332#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40333#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 10:26:30,146 INFO L290 TraceCheckUtils]: 43: Hoare triple {40333#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40334#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 10:26:30,147 INFO L290 TraceCheckUtils]: 44: Hoare triple {40334#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40335#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 10:26:30,147 INFO L290 TraceCheckUtils]: 45: Hoare triple {40335#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40336#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 10:26:30,148 INFO L290 TraceCheckUtils]: 46: Hoare triple {40336#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40337#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 10:26:30,148 INFO L290 TraceCheckUtils]: 47: Hoare triple {40337#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40338#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 10:26:30,148 INFO L290 TraceCheckUtils]: 48: Hoare triple {40338#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40339#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 10:26:30,149 INFO L290 TraceCheckUtils]: 49: Hoare triple {40339#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40340#(and (<= 42 main_~z~0) (<= main_~z~0 42))} is VALID [2022-04-28 10:26:30,149 INFO L290 TraceCheckUtils]: 50: Hoare triple {40340#(and (<= 42 main_~z~0) (<= main_~z~0 42))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40341#(and (<= main_~z~0 43) (<= 43 main_~z~0))} is VALID [2022-04-28 10:26:30,150 INFO L290 TraceCheckUtils]: 51: Hoare triple {40341#(and (<= main_~z~0 43) (<= 43 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40342#(and (<= main_~z~0 44) (<= 44 main_~z~0))} is VALID [2022-04-28 10:26:30,150 INFO L290 TraceCheckUtils]: 52: Hoare triple {40342#(and (<= main_~z~0 44) (<= 44 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40343#(and (<= main_~z~0 45) (<= 45 main_~z~0))} is VALID [2022-04-28 10:26:30,151 INFO L290 TraceCheckUtils]: 53: Hoare triple {40343#(and (<= main_~z~0 45) (<= 45 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40344#(and (<= 46 main_~z~0) (<= main_~z~0 46))} is VALID [2022-04-28 10:26:30,151 INFO L290 TraceCheckUtils]: 54: Hoare triple {40344#(and (<= 46 main_~z~0) (<= main_~z~0 46))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40345#(and (<= main_~z~0 47) (<= 47 main_~z~0))} is VALID [2022-04-28 10:26:30,152 INFO L290 TraceCheckUtils]: 55: Hoare triple {40345#(and (<= main_~z~0 47) (<= 47 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40346#(and (<= 48 main_~z~0) (<= main_~z~0 48))} is VALID [2022-04-28 10:26:30,152 INFO L290 TraceCheckUtils]: 56: Hoare triple {40346#(and (<= 48 main_~z~0) (<= main_~z~0 48))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40347#(and (<= 49 main_~z~0) (<= main_~z~0 49))} is VALID [2022-04-28 10:26:30,153 INFO L290 TraceCheckUtils]: 57: Hoare triple {40347#(and (<= 49 main_~z~0) (<= main_~z~0 49))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40348#(and (<= 50 main_~z~0) (<= main_~z~0 50))} is VALID [2022-04-28 10:26:30,153 INFO L290 TraceCheckUtils]: 58: Hoare triple {40348#(and (<= 50 main_~z~0) (<= main_~z~0 50))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40349#(and (<= main_~z~0 51) (<= 51 main_~z~0))} is VALID [2022-04-28 10:26:30,153 INFO L290 TraceCheckUtils]: 59: Hoare triple {40349#(and (<= main_~z~0 51) (<= 51 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40350#(and (<= 52 main_~z~0) (<= main_~z~0 52))} is VALID [2022-04-28 10:26:30,154 INFO L290 TraceCheckUtils]: 60: Hoare triple {40350#(and (<= 52 main_~z~0) (<= main_~z~0 52))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40351#(and (<= 53 main_~z~0) (<= main_~z~0 53))} is VALID [2022-04-28 10:26:30,154 INFO L290 TraceCheckUtils]: 61: Hoare triple {40351#(and (<= 53 main_~z~0) (<= main_~z~0 53))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40540#(and (<= main_~z~0 54) (<= 54 main_~z~0))} is VALID [2022-04-28 10:26:30,155 INFO L290 TraceCheckUtils]: 62: Hoare triple {40540#(and (<= main_~z~0 54) (<= 54 main_~z~0))} assume !(~z~0 % 4294967296 < 268435455); {40294#false} is VALID [2022-04-28 10:26:30,155 INFO L272 TraceCheckUtils]: 63: Hoare triple {40294#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {40294#false} is VALID [2022-04-28 10:26:30,155 INFO L290 TraceCheckUtils]: 64: Hoare triple {40294#false} ~cond := #in~cond; {40294#false} is VALID [2022-04-28 10:26:30,155 INFO L290 TraceCheckUtils]: 65: Hoare triple {40294#false} assume 0 == ~cond; {40294#false} is VALID [2022-04-28 10:26:30,155 INFO L290 TraceCheckUtils]: 66: Hoare triple {40294#false} assume !false; {40294#false} is VALID [2022-04-28 10:26:30,155 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:26:30,156 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 10:26:43,827 INFO L290 TraceCheckUtils]: 66: Hoare triple {40294#false} assume !false; {40294#false} is VALID [2022-04-28 10:26:43,828 INFO L290 TraceCheckUtils]: 65: Hoare triple {40294#false} assume 0 == ~cond; {40294#false} is VALID [2022-04-28 10:26:43,828 INFO L290 TraceCheckUtils]: 64: Hoare triple {40294#false} ~cond := #in~cond; {40294#false} is VALID [2022-04-28 10:26:43,828 INFO L272 TraceCheckUtils]: 63: Hoare triple {40294#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {40294#false} is VALID [2022-04-28 10:26:43,828 INFO L290 TraceCheckUtils]: 62: Hoare triple {40568#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {40294#false} is VALID [2022-04-28 10:26:43,829 INFO L290 TraceCheckUtils]: 61: Hoare triple {40572#(or (< (mod (+ main_~z~0 1) 4294967296) 268435455) (not (< (mod main_~z~0 4294967296) 268435455)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40568#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 10:26:43,829 INFO L290 TraceCheckUtils]: 60: Hoare triple {40576#(or (not (< (mod (+ main_~z~0 1) 4294967296) 268435455)) (< (mod (+ main_~z~0 2) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40572#(or (< (mod (+ main_~z~0 1) 4294967296) 268435455) (not (< (mod main_~z~0 4294967296) 268435455)))} is VALID [2022-04-28 10:26:43,830 INFO L290 TraceCheckUtils]: 59: Hoare triple {40580#(or (not (< (mod (+ main_~z~0 2) 4294967296) 268435455)) (< (mod (+ main_~z~0 3) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40576#(or (not (< (mod (+ main_~z~0 1) 4294967296) 268435455)) (< (mod (+ main_~z~0 2) 4294967296) 268435455))} is VALID [2022-04-28 10:26:43,831 INFO L290 TraceCheckUtils]: 58: Hoare triple {40584#(or (< (mod (+ main_~z~0 4) 4294967296) 268435455) (not (< (mod (+ main_~z~0 3) 4294967296) 268435455)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40580#(or (not (< (mod (+ main_~z~0 2) 4294967296) 268435455)) (< (mod (+ main_~z~0 3) 4294967296) 268435455))} is VALID [2022-04-28 10:26:43,832 INFO L290 TraceCheckUtils]: 57: Hoare triple {40588#(or (< (mod (+ 5 main_~z~0) 4294967296) 268435455) (not (< (mod (+ main_~z~0 4) 4294967296) 268435455)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40584#(or (< (mod (+ main_~z~0 4) 4294967296) 268435455) (not (< (mod (+ main_~z~0 3) 4294967296) 268435455)))} is VALID [2022-04-28 10:26:43,832 INFO L290 TraceCheckUtils]: 56: Hoare triple {40592#(or (< (mod (+ main_~z~0 6) 4294967296) 268435455) (not (< (mod (+ 5 main_~z~0) 4294967296) 268435455)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40588#(or (< (mod (+ 5 main_~z~0) 4294967296) 268435455) (not (< (mod (+ main_~z~0 4) 4294967296) 268435455)))} is VALID [2022-04-28 10:26:43,833 INFO L290 TraceCheckUtils]: 55: Hoare triple {40596#(or (< (mod (+ 7 main_~z~0) 4294967296) 268435455) (not (< (mod (+ main_~z~0 6) 4294967296) 268435455)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40592#(or (< (mod (+ main_~z~0 6) 4294967296) 268435455) (not (< (mod (+ 5 main_~z~0) 4294967296) 268435455)))} is VALID [2022-04-28 10:26:43,834 INFO L290 TraceCheckUtils]: 54: Hoare triple {40600#(or (< (mod (+ main_~z~0 8) 4294967296) 268435455) (not (< (mod (+ 7 main_~z~0) 4294967296) 268435455)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40596#(or (< (mod (+ 7 main_~z~0) 4294967296) 268435455) (not (< (mod (+ main_~z~0 6) 4294967296) 268435455)))} is VALID [2022-04-28 10:26:43,835 INFO L290 TraceCheckUtils]: 53: Hoare triple {40604#(or (not (< (mod (+ main_~z~0 8) 4294967296) 268435455)) (< (mod (+ main_~z~0 9) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40600#(or (< (mod (+ main_~z~0 8) 4294967296) 268435455) (not (< (mod (+ 7 main_~z~0) 4294967296) 268435455)))} is VALID [2022-04-28 10:26:43,835 INFO L290 TraceCheckUtils]: 52: Hoare triple {40608#(or (not (< (mod (+ main_~z~0 9) 4294967296) 268435455)) (< (mod (+ main_~z~0 10) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40604#(or (not (< (mod (+ main_~z~0 8) 4294967296) 268435455)) (< (mod (+ main_~z~0 9) 4294967296) 268435455))} is VALID [2022-04-28 10:26:43,836 INFO L290 TraceCheckUtils]: 51: Hoare triple {40612#(or (< (mod (+ main_~z~0 11) 4294967296) 268435455) (not (< (mod (+ main_~z~0 10) 4294967296) 268435455)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40608#(or (not (< (mod (+ main_~z~0 9) 4294967296) 268435455)) (< (mod (+ main_~z~0 10) 4294967296) 268435455))} is VALID [2022-04-28 10:26:43,837 INFO L290 TraceCheckUtils]: 50: Hoare triple {40616#(or (< (mod (+ main_~z~0 12) 4294967296) 268435455) (not (< (mod (+ main_~z~0 11) 4294967296) 268435455)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40612#(or (< (mod (+ main_~z~0 11) 4294967296) 268435455) (not (< (mod (+ main_~z~0 10) 4294967296) 268435455)))} is VALID [2022-04-28 10:26:43,837 INFO L290 TraceCheckUtils]: 49: Hoare triple {40620#(or (< (mod (+ main_~z~0 13) 4294967296) 268435455) (not (< (mod (+ main_~z~0 12) 4294967296) 268435455)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40616#(or (< (mod (+ main_~z~0 12) 4294967296) 268435455) (not (< (mod (+ main_~z~0 11) 4294967296) 268435455)))} is VALID [2022-04-28 10:26:43,838 INFO L290 TraceCheckUtils]: 48: Hoare triple {40624#(or (< (mod (+ main_~z~0 14) 4294967296) 268435455) (not (< (mod (+ main_~z~0 13) 4294967296) 268435455)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40620#(or (< (mod (+ main_~z~0 13) 4294967296) 268435455) (not (< (mod (+ main_~z~0 12) 4294967296) 268435455)))} is VALID [2022-04-28 10:26:43,839 INFO L290 TraceCheckUtils]: 47: Hoare triple {40628#(or (< (mod (+ main_~z~0 15) 4294967296) 268435455) (not (< (mod (+ main_~z~0 14) 4294967296) 268435455)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40624#(or (< (mod (+ main_~z~0 14) 4294967296) 268435455) (not (< (mod (+ main_~z~0 13) 4294967296) 268435455)))} is VALID [2022-04-28 10:26:43,840 INFO L290 TraceCheckUtils]: 46: Hoare triple {40632#(or (< (mod (+ main_~z~0 16) 4294967296) 268435455) (not (< (mod (+ main_~z~0 15) 4294967296) 268435455)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40628#(or (< (mod (+ main_~z~0 15) 4294967296) 268435455) (not (< (mod (+ main_~z~0 14) 4294967296) 268435455)))} is VALID [2022-04-28 10:26:43,840 INFO L290 TraceCheckUtils]: 45: Hoare triple {40636#(or (< (mod (+ main_~z~0 17) 4294967296) 268435455) (not (< (mod (+ main_~z~0 16) 4294967296) 268435455)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40632#(or (< (mod (+ main_~z~0 16) 4294967296) 268435455) (not (< (mod (+ main_~z~0 15) 4294967296) 268435455)))} is VALID [2022-04-28 10:26:43,841 INFO L290 TraceCheckUtils]: 44: Hoare triple {40640#(or (not (< (mod (+ main_~z~0 17) 4294967296) 268435455)) (< (mod (+ main_~z~0 18) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40636#(or (< (mod (+ main_~z~0 17) 4294967296) 268435455) (not (< (mod (+ main_~z~0 16) 4294967296) 268435455)))} is VALID [2022-04-28 10:26:43,842 INFO L290 TraceCheckUtils]: 43: Hoare triple {40644#(or (not (< (mod (+ main_~z~0 18) 4294967296) 268435455)) (< (mod (+ 19 main_~z~0) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40640#(or (not (< (mod (+ main_~z~0 17) 4294967296) 268435455)) (< (mod (+ main_~z~0 18) 4294967296) 268435455))} is VALID [2022-04-28 10:26:43,842 INFO L290 TraceCheckUtils]: 42: Hoare triple {40648#(or (< (mod (+ main_~z~0 20) 4294967296) 268435455) (not (< (mod (+ 19 main_~z~0) 4294967296) 268435455)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40644#(or (not (< (mod (+ main_~z~0 18) 4294967296) 268435455)) (< (mod (+ 19 main_~z~0) 4294967296) 268435455))} is VALID [2022-04-28 10:26:43,843 INFO L290 TraceCheckUtils]: 41: Hoare triple {40652#(or (< (mod (+ main_~z~0 21) 4294967296) 268435455) (not (< (mod (+ main_~z~0 20) 4294967296) 268435455)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40648#(or (< (mod (+ main_~z~0 20) 4294967296) 268435455) (not (< (mod (+ 19 main_~z~0) 4294967296) 268435455)))} is VALID [2022-04-28 10:26:43,844 INFO L290 TraceCheckUtils]: 40: Hoare triple {40656#(or (< (mod (+ main_~z~0 22) 4294967296) 268435455) (not (< (mod (+ main_~z~0 21) 4294967296) 268435455)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40652#(or (< (mod (+ main_~z~0 21) 4294967296) 268435455) (not (< (mod (+ main_~z~0 20) 4294967296) 268435455)))} is VALID [2022-04-28 10:26:43,845 INFO L290 TraceCheckUtils]: 39: Hoare triple {40660#(or (not (< (mod (+ main_~z~0 22) 4294967296) 268435455)) (< (mod (+ 23 main_~z~0) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40656#(or (< (mod (+ main_~z~0 22) 4294967296) 268435455) (not (< (mod (+ main_~z~0 21) 4294967296) 268435455)))} is VALID [2022-04-28 10:26:43,845 INFO L290 TraceCheckUtils]: 38: Hoare triple {40664#(or (not (< (mod (+ 23 main_~z~0) 4294967296) 268435455)) (< (mod (+ main_~z~0 24) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40660#(or (not (< (mod (+ main_~z~0 22) 4294967296) 268435455)) (< (mod (+ 23 main_~z~0) 4294967296) 268435455))} is VALID [2022-04-28 10:26:43,846 INFO L290 TraceCheckUtils]: 37: Hoare triple {40668#(or (<= 268435455 (mod (+ main_~z~0 24) 4294967296)) (< (mod (+ main_~z~0 25) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40664#(or (not (< (mod (+ 23 main_~z~0) 4294967296) 268435455)) (< (mod (+ main_~z~0 24) 4294967296) 268435455))} is VALID [2022-04-28 10:26:43,847 INFO L290 TraceCheckUtils]: 36: Hoare triple {40672#(or (<= 268435455 (mod (+ main_~z~0 25) 4294967296)) (< (mod (+ main_~z~0 26) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40668#(or (<= 268435455 (mod (+ main_~z~0 24) 4294967296)) (< (mod (+ main_~z~0 25) 4294967296) 268435455))} is VALID [2022-04-28 10:26:43,847 INFO L290 TraceCheckUtils]: 35: Hoare triple {40676#(or (< (mod (+ main_~z~0 27) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 26) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40672#(or (<= 268435455 (mod (+ main_~z~0 25) 4294967296)) (< (mod (+ main_~z~0 26) 4294967296) 268435455))} is VALID [2022-04-28 10:26:43,848 INFO L290 TraceCheckUtils]: 34: Hoare triple {40680#(or (< (mod (+ main_~z~0 28) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 27) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40676#(or (< (mod (+ main_~z~0 27) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 26) 4294967296)))} is VALID [2022-04-28 10:26:43,849 INFO L290 TraceCheckUtils]: 33: Hoare triple {40684#(or (<= 268435455 (mod (+ main_~z~0 28) 4294967296)) (< (mod (+ 29 main_~z~0) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40680#(or (< (mod (+ main_~z~0 28) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 27) 4294967296)))} is VALID [2022-04-28 10:26:43,850 INFO L290 TraceCheckUtils]: 32: Hoare triple {40688#(or (< (mod (+ 30 main_~z~0) 4294967296) 268435455) (<= 268435455 (mod (+ 29 main_~z~0) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40684#(or (<= 268435455 (mod (+ main_~z~0 28) 4294967296)) (< (mod (+ 29 main_~z~0) 4294967296) 268435455))} is VALID [2022-04-28 10:26:43,850 INFO L290 TraceCheckUtils]: 31: Hoare triple {40692#(or (<= 268435455 (mod (+ 30 main_~z~0) 4294967296)) (< (mod (+ main_~z~0 31) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40688#(or (< (mod (+ 30 main_~z~0) 4294967296) 268435455) (<= 268435455 (mod (+ 29 main_~z~0) 4294967296)))} is VALID [2022-04-28 10:26:43,851 INFO L290 TraceCheckUtils]: 30: Hoare triple {40696#(or (<= 268435455 (mod (+ main_~z~0 31) 4294967296)) (< (mod (+ 32 main_~z~0) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40692#(or (<= 268435455 (mod (+ 30 main_~z~0) 4294967296)) (< (mod (+ main_~z~0 31) 4294967296) 268435455))} is VALID [2022-04-28 10:26:43,852 INFO L290 TraceCheckUtils]: 29: Hoare triple {40700#(or (< (mod (+ main_~z~0 33) 4294967296) 268435455) (<= 268435455 (mod (+ 32 main_~z~0) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40696#(or (<= 268435455 (mod (+ main_~z~0 31) 4294967296)) (< (mod (+ 32 main_~z~0) 4294967296) 268435455))} is VALID [2022-04-28 10:26:43,852 INFO L290 TraceCheckUtils]: 28: Hoare triple {40704#(or (<= 268435455 (mod (+ main_~z~0 33) 4294967296)) (< (mod (+ main_~z~0 34) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40700#(or (< (mod (+ main_~z~0 33) 4294967296) 268435455) (<= 268435455 (mod (+ 32 main_~z~0) 4294967296)))} is VALID [2022-04-28 10:26:43,853 INFO L290 TraceCheckUtils]: 27: Hoare triple {40708#(or (<= 268435455 (mod (+ main_~z~0 34) 4294967296)) (< (mod (+ 35 main_~z~0) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40704#(or (<= 268435455 (mod (+ main_~z~0 33) 4294967296)) (< (mod (+ main_~z~0 34) 4294967296) 268435455))} is VALID [2022-04-28 10:26:43,854 INFO L290 TraceCheckUtils]: 26: Hoare triple {40712#(or (< (mod (+ main_~z~0 36) 4294967296) 268435455) (<= 268435455 (mod (+ 35 main_~z~0) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40708#(or (<= 268435455 (mod (+ main_~z~0 34) 4294967296)) (< (mod (+ 35 main_~z~0) 4294967296) 268435455))} is VALID [2022-04-28 10:26:43,855 INFO L290 TraceCheckUtils]: 25: Hoare triple {40716#(or (< (mod (+ main_~z~0 37) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 36) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40712#(or (< (mod (+ main_~z~0 36) 4294967296) 268435455) (<= 268435455 (mod (+ 35 main_~z~0) 4294967296)))} is VALID [2022-04-28 10:26:43,855 INFO L290 TraceCheckUtils]: 24: Hoare triple {40720#(or (< (mod (+ main_~z~0 38) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 37) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40716#(or (< (mod (+ main_~z~0 37) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 36) 4294967296)))} is VALID [2022-04-28 10:26:43,856 INFO L290 TraceCheckUtils]: 23: Hoare triple {40724#(or (< (mod (+ main_~z~0 39) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 38) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40720#(or (< (mod (+ main_~z~0 38) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 37) 4294967296)))} is VALID [2022-04-28 10:26:43,857 INFO L290 TraceCheckUtils]: 22: Hoare triple {40728#(or (< (mod (+ 40 main_~z~0) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 39) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40724#(or (< (mod (+ main_~z~0 39) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 38) 4294967296)))} is VALID [2022-04-28 10:26:43,857 INFO L290 TraceCheckUtils]: 21: Hoare triple {40732#(or (<= 268435455 (mod (+ 40 main_~z~0) 4294967296)) (< (mod (+ 41 main_~z~0) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40728#(or (< (mod (+ 40 main_~z~0) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 39) 4294967296)))} is VALID [2022-04-28 10:26:43,858 INFO L290 TraceCheckUtils]: 20: Hoare triple {40736#(or (< (mod (+ 42 main_~z~0) 4294967296) 268435455) (<= 268435455 (mod (+ 41 main_~z~0) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40732#(or (<= 268435455 (mod (+ 40 main_~z~0) 4294967296)) (< (mod (+ 41 main_~z~0) 4294967296) 268435455))} is VALID [2022-04-28 10:26:43,859 INFO L290 TraceCheckUtils]: 19: Hoare triple {40740#(or (< (mod (+ main_~z~0 43) 4294967296) 268435455) (<= 268435455 (mod (+ 42 main_~z~0) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40736#(or (< (mod (+ 42 main_~z~0) 4294967296) 268435455) (<= 268435455 (mod (+ 41 main_~z~0) 4294967296)))} is VALID [2022-04-28 10:26:43,860 INFO L290 TraceCheckUtils]: 18: Hoare triple {40744#(or (< (mod (+ 44 main_~z~0) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 43) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40740#(or (< (mod (+ main_~z~0 43) 4294967296) 268435455) (<= 268435455 (mod (+ 42 main_~z~0) 4294967296)))} is VALID [2022-04-28 10:26:43,860 INFO L290 TraceCheckUtils]: 17: Hoare triple {40748#(or (< (mod (+ main_~z~0 45) 4294967296) 268435455) (<= 268435455 (mod (+ 44 main_~z~0) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40744#(or (< (mod (+ 44 main_~z~0) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 43) 4294967296)))} is VALID [2022-04-28 10:26:43,861 INFO L290 TraceCheckUtils]: 16: Hoare triple {40752#(or (< (mod (+ main_~z~0 46) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 45) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40748#(or (< (mod (+ main_~z~0 45) 4294967296) 268435455) (<= 268435455 (mod (+ 44 main_~z~0) 4294967296)))} is VALID [2022-04-28 10:26:43,862 INFO L290 TraceCheckUtils]: 15: Hoare triple {40756#(or (< (mod (+ main_~z~0 47) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 46) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40752#(or (< (mod (+ main_~z~0 46) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 45) 4294967296)))} is VALID [2022-04-28 10:26:43,862 INFO L290 TraceCheckUtils]: 14: Hoare triple {40760#(or (<= 268435455 (mod (+ main_~z~0 47) 4294967296)) (< (mod (+ main_~z~0 48) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40756#(or (< (mod (+ main_~z~0 47) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 46) 4294967296)))} is VALID [2022-04-28 10:26:43,863 INFO L290 TraceCheckUtils]: 13: Hoare triple {40764#(or (<= 268435455 (mod (+ main_~z~0 48) 4294967296)) (< (mod (+ 49 main_~z~0) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40760#(or (<= 268435455 (mod (+ main_~z~0 47) 4294967296)) (< (mod (+ main_~z~0 48) 4294967296) 268435455))} is VALID [2022-04-28 10:26:43,864 INFO L290 TraceCheckUtils]: 12: Hoare triple {40768#(or (< (mod (+ main_~z~0 50) 4294967296) 268435455) (<= 268435455 (mod (+ 49 main_~z~0) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40764#(or (<= 268435455 (mod (+ main_~z~0 48) 4294967296)) (< (mod (+ 49 main_~z~0) 4294967296) 268435455))} is VALID [2022-04-28 10:26:43,865 INFO L290 TraceCheckUtils]: 11: Hoare triple {40772#(or (< (mod (+ 51 main_~z~0) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 50) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40768#(or (< (mod (+ main_~z~0 50) 4294967296) 268435455) (<= 268435455 (mod (+ 49 main_~z~0) 4294967296)))} is VALID [2022-04-28 10:26:43,865 INFO L290 TraceCheckUtils]: 10: Hoare triple {40776#(or (<= 268435455 (mod (+ 51 main_~z~0) 4294967296)) (< (mod (+ main_~z~0 52) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40772#(or (< (mod (+ 51 main_~z~0) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 50) 4294967296)))} is VALID [2022-04-28 10:26:43,866 INFO L290 TraceCheckUtils]: 9: Hoare triple {40780#(or (< (mod (+ 53 main_~z~0) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 52) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40776#(or (<= 268435455 (mod (+ 51 main_~z~0) 4294967296)) (< (mod (+ main_~z~0 52) 4294967296) 268435455))} is VALID [2022-04-28 10:26:43,867 INFO L290 TraceCheckUtils]: 8: Hoare triple {40784#(or (< (mod (+ main_~z~0 54) 4294967296) 268435455) (<= 268435455 (mod (+ 53 main_~z~0) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {40780#(or (< (mod (+ 53 main_~z~0) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 52) 4294967296)))} is VALID [2022-04-28 10:26:43,867 INFO L290 TraceCheckUtils]: 7: Hoare triple {40293#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {40784#(or (< (mod (+ main_~z~0 54) 4294967296) 268435455) (<= 268435455 (mod (+ 53 main_~z~0) 4294967296)))} is VALID [2022-04-28 10:26:43,867 INFO L290 TraceCheckUtils]: 6: Hoare triple {40293#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {40293#true} is VALID [2022-04-28 10:26:43,867 INFO L290 TraceCheckUtils]: 5: Hoare triple {40293#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {40293#true} is VALID [2022-04-28 10:26:43,867 INFO L272 TraceCheckUtils]: 4: Hoare triple {40293#true} call #t~ret7 := main(); {40293#true} is VALID [2022-04-28 10:26:43,867 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {40293#true} {40293#true} #63#return; {40293#true} is VALID [2022-04-28 10:26:43,868 INFO L290 TraceCheckUtils]: 2: Hoare triple {40293#true} assume true; {40293#true} is VALID [2022-04-28 10:26:43,868 INFO L290 TraceCheckUtils]: 1: Hoare triple {40293#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {40293#true} is VALID [2022-04-28 10:26:43,868 INFO L272 TraceCheckUtils]: 0: Hoare triple {40293#true} call ULTIMATE.init(); {40293#true} is VALID [2022-04-28 10:26:43,868 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:26:43,868 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1487752832] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 10:26:43,868 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 10:26:43,868 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [58, 57, 57] total 114 [2022-04-28 10:26:43,868 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 10:26:43,868 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1569437191] [2022-04-28 10:26:43,869 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1569437191] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 10:26:43,869 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 10:26:43,869 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [58] imperfect sequences [] total 58 [2022-04-28 10:26:43,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156970044] [2022-04-28 10:26:43,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 10:26:43,869 INFO L78 Accepts]: Start accepts. Automaton has has 58 states, 58 states have (on average 1.0862068965517242) internal successors, (63), 57 states have internal predecessors, (63), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 67 [2022-04-28 10:26:43,869 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 10:26:43,869 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 58 states, 58 states have (on average 1.0862068965517242) internal successors, (63), 57 states have internal predecessors, (63), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:26:43,901 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 67 edges. 67 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:26:43,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2022-04-28 10:26:43,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 10:26:43,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2022-04-28 10:26:43,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3360, Invalid=9522, Unknown=0, NotChecked=0, Total=12882 [2022-04-28 10:26:43,903 INFO L87 Difference]: Start difference. First operand 76 states and 80 transitions. Second operand has 58 states, 58 states have (on average 1.0862068965517242) internal successors, (63), 57 states have internal predecessors, (63), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:26:49,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:26:49,573 INFO L93 Difference]: Finished difference Result 147 states and 156 transitions. [2022-04-28 10:26:49,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-04-28 10:26:49,573 INFO L78 Accepts]: Start accepts. Automaton has has 58 states, 58 states have (on average 1.0862068965517242) internal successors, (63), 57 states have internal predecessors, (63), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 67 [2022-04-28 10:26:49,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 10:26:49,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 58 states have (on average 1.0862068965517242) internal successors, (63), 57 states have internal predecessors, (63), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:26:49,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 100 transitions. [2022-04-28 10:26:49,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 58 states have (on average 1.0862068965517242) internal successors, (63), 57 states have internal predecessors, (63), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:26:49,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 100 transitions. [2022-04-28 10:26:49,575 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 58 states and 100 transitions. [2022-04-28 10:26:49,640 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 100 edges. 100 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:26:49,641 INFO L225 Difference]: With dead ends: 147 [2022-04-28 10:26:49,641 INFO L226 Difference]: Without dead ends: 78 [2022-04-28 10:26:49,643 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 81 SyntacticMatches, 1 SemanticMatches, 167 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1599 ImplicationChecksByTransitivity, 15.6s TimeCoverageRelationStatistics Valid=6713, Invalid=21679, Unknown=0, NotChecked=0, Total=28392 [2022-04-28 10:26:49,643 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 18 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 3306 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 3422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 3306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-04-28 10:26:49,643 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 98 Invalid, 3422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [116 Valid, 3306 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-04-28 10:26:49,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2022-04-28 10:26:49,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 77. [2022-04-28 10:26:49,720 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 10:26:49,720 INFO L82 GeneralOperation]: Start isEquivalent. First operand 78 states. Second operand has 77 states, 69 states have (on average 1.0579710144927537) internal successors, (73), 70 states have internal predecessors, (73), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:26:49,720 INFO L74 IsIncluded]: Start isIncluded. First operand 78 states. Second operand has 77 states, 69 states have (on average 1.0579710144927537) internal successors, (73), 70 states have internal predecessors, (73), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:26:49,720 INFO L87 Difference]: Start difference. First operand 78 states. Second operand has 77 states, 69 states have (on average 1.0579710144927537) internal successors, (73), 70 states have internal predecessors, (73), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:26:49,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:26:49,723 INFO L93 Difference]: Finished difference Result 78 states and 82 transitions. [2022-04-28 10:26:49,723 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 82 transitions. [2022-04-28 10:26:49,723 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:26:49,723 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:26:49,723 INFO L74 IsIncluded]: Start isIncluded. First operand has 77 states, 69 states have (on average 1.0579710144927537) internal successors, (73), 70 states have internal predecessors, (73), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 78 states. [2022-04-28 10:26:49,723 INFO L87 Difference]: Start difference. First operand has 77 states, 69 states have (on average 1.0579710144927537) internal successors, (73), 70 states have internal predecessors, (73), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 78 states. [2022-04-28 10:26:49,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:26:49,724 INFO L93 Difference]: Finished difference Result 78 states and 82 transitions. [2022-04-28 10:26:49,724 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 82 transitions. [2022-04-28 10:26:49,724 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:26:49,724 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:26:49,724 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 10:26:49,724 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 10:26:49,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 69 states have (on average 1.0579710144927537) internal successors, (73), 70 states have internal predecessors, (73), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:26:49,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 81 transitions. [2022-04-28 10:26:49,725 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 81 transitions. Word has length 67 [2022-04-28 10:26:49,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 10:26:49,725 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 81 transitions. [2022-04-28 10:26:49,725 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 58 states have (on average 1.0862068965517242) internal successors, (63), 57 states have internal predecessors, (63), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:26:49,725 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 77 states and 81 transitions. [2022-04-28 10:26:49,792 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 81 edges. 81 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:26:49,793 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 81 transitions. [2022-04-28 10:26:49,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-04-28 10:26:49,793 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 10:26:49,793 INFO L195 NwaCegarLoop]: trace histogram [55, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 10:26:49,800 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (55)] Forceful destruction successful, exit code 0 [2022-04-28 10:26:49,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57,55 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:26:49,993 INFO L420 AbstractCegarLoop]: === Iteration 59 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 10:26:49,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 10:26:49,993 INFO L85 PathProgramCache]: Analyzing trace with hash -1389498014, now seen corresponding path program 109 times [2022-04-28 10:26:49,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 10:26:49,994 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1893308349] [2022-04-28 10:26:49,995 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-28 10:26:49,996 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-28 10:26:49,996 INFO L85 PathProgramCache]: Analyzing trace with hash -1389498014, now seen corresponding path program 110 times [2022-04-28 10:26:49,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 10:26:49,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246875988] [2022-04-28 10:26:49,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 10:26:49,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 10:26:50,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:26:51,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 10:26:51,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:26:51,423 INFO L290 TraceCheckUtils]: 0: Hoare triple {41587#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {41526#true} is VALID [2022-04-28 10:26:51,423 INFO L290 TraceCheckUtils]: 1: Hoare triple {41526#true} assume true; {41526#true} is VALID [2022-04-28 10:26:51,423 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {41526#true} {41526#true} #63#return; {41526#true} is VALID [2022-04-28 10:26:51,423 INFO L272 TraceCheckUtils]: 0: Hoare triple {41526#true} call ULTIMATE.init(); {41587#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 10:26:51,423 INFO L290 TraceCheckUtils]: 1: Hoare triple {41587#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {41526#true} is VALID [2022-04-28 10:26:51,423 INFO L290 TraceCheckUtils]: 2: Hoare triple {41526#true} assume true; {41526#true} is VALID [2022-04-28 10:26:51,424 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {41526#true} {41526#true} #63#return; {41526#true} is VALID [2022-04-28 10:26:51,424 INFO L272 TraceCheckUtils]: 4: Hoare triple {41526#true} call #t~ret7 := main(); {41526#true} is VALID [2022-04-28 10:26:51,424 INFO L290 TraceCheckUtils]: 5: Hoare triple {41526#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {41526#true} is VALID [2022-04-28 10:26:51,424 INFO L290 TraceCheckUtils]: 6: Hoare triple {41526#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {41526#true} is VALID [2022-04-28 10:26:51,424 INFO L290 TraceCheckUtils]: 7: Hoare triple {41526#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {41531#(= main_~z~0 0)} is VALID [2022-04-28 10:26:51,424 INFO L290 TraceCheckUtils]: 8: Hoare triple {41531#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41532#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:26:51,425 INFO L290 TraceCheckUtils]: 9: Hoare triple {41532#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41533#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:26:51,425 INFO L290 TraceCheckUtils]: 10: Hoare triple {41533#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41534#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:26:51,426 INFO L290 TraceCheckUtils]: 11: Hoare triple {41534#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41535#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:26:51,426 INFO L290 TraceCheckUtils]: 12: Hoare triple {41535#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41536#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:26:51,427 INFO L290 TraceCheckUtils]: 13: Hoare triple {41536#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41537#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:26:51,427 INFO L290 TraceCheckUtils]: 14: Hoare triple {41537#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41538#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:26:51,427 INFO L290 TraceCheckUtils]: 15: Hoare triple {41538#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41539#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:26:51,428 INFO L290 TraceCheckUtils]: 16: Hoare triple {41539#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41540#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:26:51,428 INFO L290 TraceCheckUtils]: 17: Hoare triple {41540#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41541#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:26:51,429 INFO L290 TraceCheckUtils]: 18: Hoare triple {41541#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41542#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:26:51,429 INFO L290 TraceCheckUtils]: 19: Hoare triple {41542#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41543#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:26:51,440 INFO L290 TraceCheckUtils]: 20: Hoare triple {41543#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41544#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:26:51,440 INFO L290 TraceCheckUtils]: 21: Hoare triple {41544#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41545#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:26:51,441 INFO L290 TraceCheckUtils]: 22: Hoare triple {41545#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41546#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:26:51,441 INFO L290 TraceCheckUtils]: 23: Hoare triple {41546#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41547#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:26:51,442 INFO L290 TraceCheckUtils]: 24: Hoare triple {41547#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41548#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:26:51,442 INFO L290 TraceCheckUtils]: 25: Hoare triple {41548#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41549#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:26:51,443 INFO L290 TraceCheckUtils]: 26: Hoare triple {41549#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41550#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:26:51,443 INFO L290 TraceCheckUtils]: 27: Hoare triple {41550#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41551#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 10:26:51,444 INFO L290 TraceCheckUtils]: 28: Hoare triple {41551#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41552#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 10:26:51,444 INFO L290 TraceCheckUtils]: 29: Hoare triple {41552#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41553#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 10:26:51,445 INFO L290 TraceCheckUtils]: 30: Hoare triple {41553#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41554#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 10:26:51,445 INFO L290 TraceCheckUtils]: 31: Hoare triple {41554#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41555#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 10:26:51,445 INFO L290 TraceCheckUtils]: 32: Hoare triple {41555#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41556#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 10:26:51,446 INFO L290 TraceCheckUtils]: 33: Hoare triple {41556#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41557#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 10:26:51,446 INFO L290 TraceCheckUtils]: 34: Hoare triple {41557#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41558#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 10:26:51,447 INFO L290 TraceCheckUtils]: 35: Hoare triple {41558#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41559#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 10:26:51,447 INFO L290 TraceCheckUtils]: 36: Hoare triple {41559#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41560#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 10:26:51,448 INFO L290 TraceCheckUtils]: 37: Hoare triple {41560#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41561#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 10:26:51,448 INFO L290 TraceCheckUtils]: 38: Hoare triple {41561#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41562#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 10:26:51,449 INFO L290 TraceCheckUtils]: 39: Hoare triple {41562#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41563#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 10:26:51,449 INFO L290 TraceCheckUtils]: 40: Hoare triple {41563#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41564#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 10:26:51,450 INFO L290 TraceCheckUtils]: 41: Hoare triple {41564#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41565#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 10:26:51,450 INFO L290 TraceCheckUtils]: 42: Hoare triple {41565#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41566#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 10:26:51,450 INFO L290 TraceCheckUtils]: 43: Hoare triple {41566#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41567#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 10:26:51,451 INFO L290 TraceCheckUtils]: 44: Hoare triple {41567#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41568#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 10:26:51,451 INFO L290 TraceCheckUtils]: 45: Hoare triple {41568#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41569#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 10:26:51,452 INFO L290 TraceCheckUtils]: 46: Hoare triple {41569#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41570#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 10:26:51,452 INFO L290 TraceCheckUtils]: 47: Hoare triple {41570#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41571#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 10:26:51,453 INFO L290 TraceCheckUtils]: 48: Hoare triple {41571#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41572#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 10:26:51,453 INFO L290 TraceCheckUtils]: 49: Hoare triple {41572#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41573#(and (<= 42 main_~z~0) (<= main_~z~0 42))} is VALID [2022-04-28 10:26:51,455 INFO L290 TraceCheckUtils]: 50: Hoare triple {41573#(and (<= 42 main_~z~0) (<= main_~z~0 42))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41574#(and (<= main_~z~0 43) (<= 43 main_~z~0))} is VALID [2022-04-28 10:26:51,455 INFO L290 TraceCheckUtils]: 51: Hoare triple {41574#(and (<= main_~z~0 43) (<= 43 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41575#(and (<= main_~z~0 44) (<= 44 main_~z~0))} is VALID [2022-04-28 10:26:51,456 INFO L290 TraceCheckUtils]: 52: Hoare triple {41575#(and (<= main_~z~0 44) (<= 44 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41576#(and (<= main_~z~0 45) (<= 45 main_~z~0))} is VALID [2022-04-28 10:26:51,456 INFO L290 TraceCheckUtils]: 53: Hoare triple {41576#(and (<= main_~z~0 45) (<= 45 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41577#(and (<= 46 main_~z~0) (<= main_~z~0 46))} is VALID [2022-04-28 10:26:51,457 INFO L290 TraceCheckUtils]: 54: Hoare triple {41577#(and (<= 46 main_~z~0) (<= main_~z~0 46))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41578#(and (<= main_~z~0 47) (<= 47 main_~z~0))} is VALID [2022-04-28 10:26:51,457 INFO L290 TraceCheckUtils]: 55: Hoare triple {41578#(and (<= main_~z~0 47) (<= 47 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41579#(and (<= 48 main_~z~0) (<= main_~z~0 48))} is VALID [2022-04-28 10:26:51,458 INFO L290 TraceCheckUtils]: 56: Hoare triple {41579#(and (<= 48 main_~z~0) (<= main_~z~0 48))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41580#(and (<= 49 main_~z~0) (<= main_~z~0 49))} is VALID [2022-04-28 10:26:51,458 INFO L290 TraceCheckUtils]: 57: Hoare triple {41580#(and (<= 49 main_~z~0) (<= main_~z~0 49))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41581#(and (<= 50 main_~z~0) (<= main_~z~0 50))} is VALID [2022-04-28 10:26:51,459 INFO L290 TraceCheckUtils]: 58: Hoare triple {41581#(and (<= 50 main_~z~0) (<= main_~z~0 50))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41582#(and (<= main_~z~0 51) (<= 51 main_~z~0))} is VALID [2022-04-28 10:26:51,459 INFO L290 TraceCheckUtils]: 59: Hoare triple {41582#(and (<= main_~z~0 51) (<= 51 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41583#(and (<= 52 main_~z~0) (<= main_~z~0 52))} is VALID [2022-04-28 10:26:51,459 INFO L290 TraceCheckUtils]: 60: Hoare triple {41583#(and (<= 52 main_~z~0) (<= main_~z~0 52))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41584#(and (<= 53 main_~z~0) (<= main_~z~0 53))} is VALID [2022-04-28 10:26:51,460 INFO L290 TraceCheckUtils]: 61: Hoare triple {41584#(and (<= 53 main_~z~0) (<= main_~z~0 53))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41585#(and (<= main_~z~0 54) (<= 54 main_~z~0))} is VALID [2022-04-28 10:26:51,460 INFO L290 TraceCheckUtils]: 62: Hoare triple {41585#(and (<= main_~z~0 54) (<= 54 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41586#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 55))} is VALID [2022-04-28 10:26:51,461 INFO L290 TraceCheckUtils]: 63: Hoare triple {41586#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 55))} assume !(~z~0 % 4294967296 < 268435455); {41527#false} is VALID [2022-04-28 10:26:51,461 INFO L272 TraceCheckUtils]: 64: Hoare triple {41527#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {41527#false} is VALID [2022-04-28 10:26:51,461 INFO L290 TraceCheckUtils]: 65: Hoare triple {41527#false} ~cond := #in~cond; {41527#false} is VALID [2022-04-28 10:26:51,461 INFO L290 TraceCheckUtils]: 66: Hoare triple {41527#false} assume 0 == ~cond; {41527#false} is VALID [2022-04-28 10:26:51,461 INFO L290 TraceCheckUtils]: 67: Hoare triple {41527#false} assume !false; {41527#false} is VALID [2022-04-28 10:26:51,461 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:26:51,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 10:26:51,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246875988] [2022-04-28 10:26:51,462 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246875988] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 10:26:51,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [767708942] [2022-04-28 10:26:51,462 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-28 10:26:51,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:26:51,462 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 10:26:51,463 INFO L229 MonitoredProcess]: Starting monitored process 56 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 10:26:51,463 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (56)] Waiting until timeout for monitored process [2022-04-28 10:26:51,542 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-28 10:26:51,542 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 10:26:51,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 113 conjunts are in the unsatisfiable core [2022-04-28 10:26:51,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:26:51,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 10:26:52,596 INFO L272 TraceCheckUtils]: 0: Hoare triple {41526#true} call ULTIMATE.init(); {41526#true} is VALID [2022-04-28 10:26:52,596 INFO L290 TraceCheckUtils]: 1: Hoare triple {41526#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {41526#true} is VALID [2022-04-28 10:26:52,597 INFO L290 TraceCheckUtils]: 2: Hoare triple {41526#true} assume true; {41526#true} is VALID [2022-04-28 10:26:52,597 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {41526#true} {41526#true} #63#return; {41526#true} is VALID [2022-04-28 10:26:52,597 INFO L272 TraceCheckUtils]: 4: Hoare triple {41526#true} call #t~ret7 := main(); {41526#true} is VALID [2022-04-28 10:26:52,597 INFO L290 TraceCheckUtils]: 5: Hoare triple {41526#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {41526#true} is VALID [2022-04-28 10:26:52,597 INFO L290 TraceCheckUtils]: 6: Hoare triple {41526#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {41526#true} is VALID [2022-04-28 10:26:52,597 INFO L290 TraceCheckUtils]: 7: Hoare triple {41526#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {41531#(= main_~z~0 0)} is VALID [2022-04-28 10:26:52,597 INFO L290 TraceCheckUtils]: 8: Hoare triple {41531#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41532#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:26:52,598 INFO L290 TraceCheckUtils]: 9: Hoare triple {41532#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41533#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:26:52,598 INFO L290 TraceCheckUtils]: 10: Hoare triple {41533#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41534#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:26:52,599 INFO L290 TraceCheckUtils]: 11: Hoare triple {41534#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41535#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:26:52,599 INFO L290 TraceCheckUtils]: 12: Hoare triple {41535#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41536#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:26:52,600 INFO L290 TraceCheckUtils]: 13: Hoare triple {41536#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41537#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:26:52,600 INFO L290 TraceCheckUtils]: 14: Hoare triple {41537#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41538#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:26:52,601 INFO L290 TraceCheckUtils]: 15: Hoare triple {41538#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41539#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:26:52,601 INFO L290 TraceCheckUtils]: 16: Hoare triple {41539#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41540#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:26:52,602 INFO L290 TraceCheckUtils]: 17: Hoare triple {41540#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41541#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:26:52,602 INFO L290 TraceCheckUtils]: 18: Hoare triple {41541#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41542#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:26:52,603 INFO L290 TraceCheckUtils]: 19: Hoare triple {41542#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41543#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:26:52,603 INFO L290 TraceCheckUtils]: 20: Hoare triple {41543#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41544#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:26:52,603 INFO L290 TraceCheckUtils]: 21: Hoare triple {41544#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41545#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:26:52,604 INFO L290 TraceCheckUtils]: 22: Hoare triple {41545#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41546#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:26:52,604 INFO L290 TraceCheckUtils]: 23: Hoare triple {41546#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41547#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:26:52,605 INFO L290 TraceCheckUtils]: 24: Hoare triple {41547#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41548#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:26:52,605 INFO L290 TraceCheckUtils]: 25: Hoare triple {41548#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41549#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:26:52,606 INFO L290 TraceCheckUtils]: 26: Hoare triple {41549#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41550#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:26:52,606 INFO L290 TraceCheckUtils]: 27: Hoare triple {41550#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41551#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 10:26:52,607 INFO L290 TraceCheckUtils]: 28: Hoare triple {41551#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41552#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 10:26:52,607 INFO L290 TraceCheckUtils]: 29: Hoare triple {41552#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41553#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 10:26:52,608 INFO L290 TraceCheckUtils]: 30: Hoare triple {41553#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41554#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 10:26:52,608 INFO L290 TraceCheckUtils]: 31: Hoare triple {41554#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41555#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 10:26:52,608 INFO L290 TraceCheckUtils]: 32: Hoare triple {41555#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41556#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 10:26:52,609 INFO L290 TraceCheckUtils]: 33: Hoare triple {41556#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41557#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 10:26:52,609 INFO L290 TraceCheckUtils]: 34: Hoare triple {41557#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41558#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 10:26:52,610 INFO L290 TraceCheckUtils]: 35: Hoare triple {41558#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41559#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 10:26:52,610 INFO L290 TraceCheckUtils]: 36: Hoare triple {41559#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41560#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 10:26:52,611 INFO L290 TraceCheckUtils]: 37: Hoare triple {41560#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41561#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 10:26:52,611 INFO L290 TraceCheckUtils]: 38: Hoare triple {41561#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41562#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 10:26:52,612 INFO L290 TraceCheckUtils]: 39: Hoare triple {41562#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41563#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 10:26:52,612 INFO L290 TraceCheckUtils]: 40: Hoare triple {41563#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41564#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 10:26:52,613 INFO L290 TraceCheckUtils]: 41: Hoare triple {41564#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41565#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 10:26:52,613 INFO L290 TraceCheckUtils]: 42: Hoare triple {41565#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41566#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 10:26:52,613 INFO L290 TraceCheckUtils]: 43: Hoare triple {41566#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41567#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 10:26:52,614 INFO L290 TraceCheckUtils]: 44: Hoare triple {41567#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41568#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 10:26:52,614 INFO L290 TraceCheckUtils]: 45: Hoare triple {41568#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41569#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 10:26:52,615 INFO L290 TraceCheckUtils]: 46: Hoare triple {41569#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41570#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 10:26:52,615 INFO L290 TraceCheckUtils]: 47: Hoare triple {41570#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41571#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 10:26:52,616 INFO L290 TraceCheckUtils]: 48: Hoare triple {41571#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41572#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 10:26:52,616 INFO L290 TraceCheckUtils]: 49: Hoare triple {41572#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41573#(and (<= 42 main_~z~0) (<= main_~z~0 42))} is VALID [2022-04-28 10:26:52,617 INFO L290 TraceCheckUtils]: 50: Hoare triple {41573#(and (<= 42 main_~z~0) (<= main_~z~0 42))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41574#(and (<= main_~z~0 43) (<= 43 main_~z~0))} is VALID [2022-04-28 10:26:52,617 INFO L290 TraceCheckUtils]: 51: Hoare triple {41574#(and (<= main_~z~0 43) (<= 43 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41575#(and (<= main_~z~0 44) (<= 44 main_~z~0))} is VALID [2022-04-28 10:26:52,618 INFO L290 TraceCheckUtils]: 52: Hoare triple {41575#(and (<= main_~z~0 44) (<= 44 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41576#(and (<= main_~z~0 45) (<= 45 main_~z~0))} is VALID [2022-04-28 10:26:52,618 INFO L290 TraceCheckUtils]: 53: Hoare triple {41576#(and (<= main_~z~0 45) (<= 45 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41577#(and (<= 46 main_~z~0) (<= main_~z~0 46))} is VALID [2022-04-28 10:26:52,619 INFO L290 TraceCheckUtils]: 54: Hoare triple {41577#(and (<= 46 main_~z~0) (<= main_~z~0 46))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41578#(and (<= main_~z~0 47) (<= 47 main_~z~0))} is VALID [2022-04-28 10:26:52,619 INFO L290 TraceCheckUtils]: 55: Hoare triple {41578#(and (<= main_~z~0 47) (<= 47 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41579#(and (<= 48 main_~z~0) (<= main_~z~0 48))} is VALID [2022-04-28 10:26:52,619 INFO L290 TraceCheckUtils]: 56: Hoare triple {41579#(and (<= 48 main_~z~0) (<= main_~z~0 48))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41580#(and (<= 49 main_~z~0) (<= main_~z~0 49))} is VALID [2022-04-28 10:26:52,620 INFO L290 TraceCheckUtils]: 57: Hoare triple {41580#(and (<= 49 main_~z~0) (<= main_~z~0 49))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41581#(and (<= 50 main_~z~0) (<= main_~z~0 50))} is VALID [2022-04-28 10:26:52,620 INFO L290 TraceCheckUtils]: 58: Hoare triple {41581#(and (<= 50 main_~z~0) (<= main_~z~0 50))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41582#(and (<= main_~z~0 51) (<= 51 main_~z~0))} is VALID [2022-04-28 10:26:52,621 INFO L290 TraceCheckUtils]: 59: Hoare triple {41582#(and (<= main_~z~0 51) (<= 51 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41583#(and (<= 52 main_~z~0) (<= main_~z~0 52))} is VALID [2022-04-28 10:26:52,621 INFO L290 TraceCheckUtils]: 60: Hoare triple {41583#(and (<= 52 main_~z~0) (<= main_~z~0 52))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41584#(and (<= 53 main_~z~0) (<= main_~z~0 53))} is VALID [2022-04-28 10:26:52,622 INFO L290 TraceCheckUtils]: 61: Hoare triple {41584#(and (<= 53 main_~z~0) (<= main_~z~0 53))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41585#(and (<= main_~z~0 54) (<= 54 main_~z~0))} is VALID [2022-04-28 10:26:52,622 INFO L290 TraceCheckUtils]: 62: Hoare triple {41585#(and (<= main_~z~0 54) (<= 54 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41777#(and (<= 55 main_~z~0) (<= main_~z~0 55))} is VALID [2022-04-28 10:26:52,623 INFO L290 TraceCheckUtils]: 63: Hoare triple {41777#(and (<= 55 main_~z~0) (<= main_~z~0 55))} assume !(~z~0 % 4294967296 < 268435455); {41527#false} is VALID [2022-04-28 10:26:52,623 INFO L272 TraceCheckUtils]: 64: Hoare triple {41527#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {41527#false} is VALID [2022-04-28 10:26:52,623 INFO L290 TraceCheckUtils]: 65: Hoare triple {41527#false} ~cond := #in~cond; {41527#false} is VALID [2022-04-28 10:26:52,623 INFO L290 TraceCheckUtils]: 66: Hoare triple {41527#false} assume 0 == ~cond; {41527#false} is VALID [2022-04-28 10:26:52,623 INFO L290 TraceCheckUtils]: 67: Hoare triple {41527#false} assume !false; {41527#false} is VALID [2022-04-28 10:26:52,623 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:26:52,623 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 10:26:56,972 INFO L290 TraceCheckUtils]: 67: Hoare triple {41527#false} assume !false; {41527#false} is VALID [2022-04-28 10:26:56,972 INFO L290 TraceCheckUtils]: 66: Hoare triple {41527#false} assume 0 == ~cond; {41527#false} is VALID [2022-04-28 10:26:56,972 INFO L290 TraceCheckUtils]: 65: Hoare triple {41527#false} ~cond := #in~cond; {41527#false} is VALID [2022-04-28 10:26:56,972 INFO L272 TraceCheckUtils]: 64: Hoare triple {41527#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {41527#false} is VALID [2022-04-28 10:26:56,973 INFO L290 TraceCheckUtils]: 63: Hoare triple {41805#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {41527#false} is VALID [2022-04-28 10:26:56,973 INFO L290 TraceCheckUtils]: 62: Hoare triple {41809#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41805#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 10:26:56,974 INFO L290 TraceCheckUtils]: 61: Hoare triple {41813#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41809#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 10:26:56,975 INFO L290 TraceCheckUtils]: 60: Hoare triple {41817#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41813#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 10:26:56,976 INFO L290 TraceCheckUtils]: 59: Hoare triple {41821#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41817#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 10:26:56,976 INFO L290 TraceCheckUtils]: 58: Hoare triple {41825#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41821#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 10:26:56,977 INFO L290 TraceCheckUtils]: 57: Hoare triple {41829#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41825#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:26:56,977 INFO L290 TraceCheckUtils]: 56: Hoare triple {41833#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41829#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} is VALID [2022-04-28 10:26:56,978 INFO L290 TraceCheckUtils]: 55: Hoare triple {41837#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41833#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:26:56,979 INFO L290 TraceCheckUtils]: 54: Hoare triple {41841#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41837#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} is VALID [2022-04-28 10:26:56,979 INFO L290 TraceCheckUtils]: 53: Hoare triple {41845#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41841#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} is VALID [2022-04-28 10:26:56,980 INFO L290 TraceCheckUtils]: 52: Hoare triple {41849#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41845#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} is VALID [2022-04-28 10:26:56,981 INFO L290 TraceCheckUtils]: 51: Hoare triple {41853#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41849#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} is VALID [2022-04-28 10:26:56,981 INFO L290 TraceCheckUtils]: 50: Hoare triple {41857#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41853#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} is VALID [2022-04-28 10:26:56,982 INFO L290 TraceCheckUtils]: 49: Hoare triple {41861#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41857#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} is VALID [2022-04-28 10:26:56,982 INFO L290 TraceCheckUtils]: 48: Hoare triple {41865#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41861#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} is VALID [2022-04-28 10:26:56,983 INFO L290 TraceCheckUtils]: 47: Hoare triple {41869#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41865#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} is VALID [2022-04-28 10:26:56,983 INFO L290 TraceCheckUtils]: 46: Hoare triple {41873#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41869#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} is VALID [2022-04-28 10:26:56,984 INFO L290 TraceCheckUtils]: 45: Hoare triple {41877#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41873#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} is VALID [2022-04-28 10:26:56,984 INFO L290 TraceCheckUtils]: 44: Hoare triple {41881#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41877#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} is VALID [2022-04-28 10:26:56,985 INFO L290 TraceCheckUtils]: 43: Hoare triple {41885#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41881#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:26:56,986 INFO L290 TraceCheckUtils]: 42: Hoare triple {41889#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41885#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} is VALID [2022-04-28 10:26:56,986 INFO L290 TraceCheckUtils]: 41: Hoare triple {41893#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41889#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} is VALID [2022-04-28 10:26:56,987 INFO L290 TraceCheckUtils]: 40: Hoare triple {41897#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41893#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} is VALID [2022-04-28 10:26:56,987 INFO L290 TraceCheckUtils]: 39: Hoare triple {41901#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41897#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:26:56,988 INFO L290 TraceCheckUtils]: 38: Hoare triple {41905#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41901#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} is VALID [2022-04-28 10:26:56,988 INFO L290 TraceCheckUtils]: 37: Hoare triple {41909#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41905#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} is VALID [2022-04-28 10:26:56,989 INFO L290 TraceCheckUtils]: 36: Hoare triple {41913#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41909#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} is VALID [2022-04-28 10:26:56,990 INFO L290 TraceCheckUtils]: 35: Hoare triple {41917#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41913#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} is VALID [2022-04-28 10:26:56,990 INFO L290 TraceCheckUtils]: 34: Hoare triple {41921#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41917#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} is VALID [2022-04-28 10:26:56,991 INFO L290 TraceCheckUtils]: 33: Hoare triple {41925#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41921#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:26:56,991 INFO L290 TraceCheckUtils]: 32: Hoare triple {41929#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41925#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:26:56,992 INFO L290 TraceCheckUtils]: 31: Hoare triple {41933#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41929#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} is VALID [2022-04-28 10:26:56,992 INFO L290 TraceCheckUtils]: 30: Hoare triple {41937#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41933#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:26:56,993 INFO L290 TraceCheckUtils]: 29: Hoare triple {41941#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41937#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} is VALID [2022-04-28 10:26:56,993 INFO L290 TraceCheckUtils]: 28: Hoare triple {41945#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41941#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} is VALID [2022-04-28 10:26:56,994 INFO L290 TraceCheckUtils]: 27: Hoare triple {41949#(< (mod (+ main_~z~0 36) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41945#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:26:56,995 INFO L290 TraceCheckUtils]: 26: Hoare triple {41953#(< (mod (+ main_~z~0 37) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41949#(< (mod (+ main_~z~0 36) 4294967296) 268435455)} is VALID [2022-04-28 10:26:56,995 INFO L290 TraceCheckUtils]: 25: Hoare triple {41957#(< (mod (+ main_~z~0 38) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41953#(< (mod (+ main_~z~0 37) 4294967296) 268435455)} is VALID [2022-04-28 10:26:56,996 INFO L290 TraceCheckUtils]: 24: Hoare triple {41961#(< (mod (+ main_~z~0 39) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41957#(< (mod (+ main_~z~0 38) 4294967296) 268435455)} is VALID [2022-04-28 10:26:56,996 INFO L290 TraceCheckUtils]: 23: Hoare triple {41965#(< (mod (+ 40 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41961#(< (mod (+ main_~z~0 39) 4294967296) 268435455)} is VALID [2022-04-28 10:26:56,997 INFO L290 TraceCheckUtils]: 22: Hoare triple {41969#(< (mod (+ 41 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41965#(< (mod (+ 40 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:26:56,997 INFO L290 TraceCheckUtils]: 21: Hoare triple {41973#(< (mod (+ 42 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41969#(< (mod (+ 41 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:26:56,998 INFO L290 TraceCheckUtils]: 20: Hoare triple {41977#(< (mod (+ main_~z~0 43) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41973#(< (mod (+ 42 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:26:56,999 INFO L290 TraceCheckUtils]: 19: Hoare triple {41981#(< (mod (+ 44 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41977#(< (mod (+ main_~z~0 43) 4294967296) 268435455)} is VALID [2022-04-28 10:26:56,999 INFO L290 TraceCheckUtils]: 18: Hoare triple {41985#(< (mod (+ main_~z~0 45) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41981#(< (mod (+ 44 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:26:57,000 INFO L290 TraceCheckUtils]: 17: Hoare triple {41989#(< (mod (+ main_~z~0 46) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41985#(< (mod (+ main_~z~0 45) 4294967296) 268435455)} is VALID [2022-04-28 10:26:57,000 INFO L290 TraceCheckUtils]: 16: Hoare triple {41993#(< (mod (+ main_~z~0 47) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41989#(< (mod (+ main_~z~0 46) 4294967296) 268435455)} is VALID [2022-04-28 10:26:57,001 INFO L290 TraceCheckUtils]: 15: Hoare triple {41997#(< (mod (+ main_~z~0 48) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41993#(< (mod (+ main_~z~0 47) 4294967296) 268435455)} is VALID [2022-04-28 10:26:57,001 INFO L290 TraceCheckUtils]: 14: Hoare triple {42001#(< (mod (+ 49 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {41997#(< (mod (+ main_~z~0 48) 4294967296) 268435455)} is VALID [2022-04-28 10:26:57,002 INFO L290 TraceCheckUtils]: 13: Hoare triple {42005#(< (mod (+ main_~z~0 50) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42001#(< (mod (+ 49 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:26:57,002 INFO L290 TraceCheckUtils]: 12: Hoare triple {42009#(< (mod (+ 51 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42005#(< (mod (+ main_~z~0 50) 4294967296) 268435455)} is VALID [2022-04-28 10:26:57,003 INFO L290 TraceCheckUtils]: 11: Hoare triple {42013#(< (mod (+ main_~z~0 52) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42009#(< (mod (+ 51 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:26:57,004 INFO L290 TraceCheckUtils]: 10: Hoare triple {42017#(< (mod (+ 53 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42013#(< (mod (+ main_~z~0 52) 4294967296) 268435455)} is VALID [2022-04-28 10:26:57,004 INFO L290 TraceCheckUtils]: 9: Hoare triple {42021#(< (mod (+ main_~z~0 54) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42017#(< (mod (+ 53 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:26:57,005 INFO L290 TraceCheckUtils]: 8: Hoare triple {42025#(< (mod (+ main_~z~0 55) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42021#(< (mod (+ main_~z~0 54) 4294967296) 268435455)} is VALID [2022-04-28 10:26:57,005 INFO L290 TraceCheckUtils]: 7: Hoare triple {41526#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {42025#(< (mod (+ main_~z~0 55) 4294967296) 268435455)} is VALID [2022-04-28 10:26:57,005 INFO L290 TraceCheckUtils]: 6: Hoare triple {41526#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {41526#true} is VALID [2022-04-28 10:26:57,005 INFO L290 TraceCheckUtils]: 5: Hoare triple {41526#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {41526#true} is VALID [2022-04-28 10:26:57,005 INFO L272 TraceCheckUtils]: 4: Hoare triple {41526#true} call #t~ret7 := main(); {41526#true} is VALID [2022-04-28 10:26:57,006 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {41526#true} {41526#true} #63#return; {41526#true} is VALID [2022-04-28 10:26:57,006 INFO L290 TraceCheckUtils]: 2: Hoare triple {41526#true} assume true; {41526#true} is VALID [2022-04-28 10:26:57,006 INFO L290 TraceCheckUtils]: 1: Hoare triple {41526#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {41526#true} is VALID [2022-04-28 10:26:57,006 INFO L272 TraceCheckUtils]: 0: Hoare triple {41526#true} call ULTIMATE.init(); {41526#true} is VALID [2022-04-28 10:26:57,006 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:26:57,006 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [767708942] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 10:26:57,006 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 10:26:57,006 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [59, 58, 58] total 116 [2022-04-28 10:26:57,007 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 10:26:57,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1893308349] [2022-04-28 10:26:57,007 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1893308349] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 10:26:57,007 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 10:26:57,007 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [59] imperfect sequences [] total 59 [2022-04-28 10:26:57,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582232150] [2022-04-28 10:26:57,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 10:26:57,007 INFO L78 Accepts]: Start accepts. Automaton has has 59 states, 59 states have (on average 1.0847457627118644) internal successors, (64), 58 states have internal predecessors, (64), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 68 [2022-04-28 10:26:57,007 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 10:26:57,007 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 59 states, 59 states have (on average 1.0847457627118644) internal successors, (64), 58 states have internal predecessors, (64), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:26:57,040 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 68 edges. 68 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:26:57,040 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 59 states [2022-04-28 10:26:57,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 10:26:57,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2022-04-28 10:26:57,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3477, Invalid=9863, Unknown=0, NotChecked=0, Total=13340 [2022-04-28 10:26:57,042 INFO L87 Difference]: Start difference. First operand 77 states and 81 transitions. Second operand has 59 states, 59 states have (on average 1.0847457627118644) internal successors, (64), 58 states have internal predecessors, (64), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:27:03,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:27:03,679 INFO L93 Difference]: Finished difference Result 149 states and 158 transitions. [2022-04-28 10:27:03,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-04-28 10:27:03,679 INFO L78 Accepts]: Start accepts. Automaton has has 59 states, 59 states have (on average 1.0847457627118644) internal successors, (64), 58 states have internal predecessors, (64), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 68 [2022-04-28 10:27:03,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 10:27:03,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 59 states have (on average 1.0847457627118644) internal successors, (64), 58 states have internal predecessors, (64), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:27:03,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 101 transitions. [2022-04-28 10:27:03,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 59 states have (on average 1.0847457627118644) internal successors, (64), 58 states have internal predecessors, (64), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:27:03,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 101 transitions. [2022-04-28 10:27:03,681 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 59 states and 101 transitions. [2022-04-28 10:27:03,741 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 101 edges. 101 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:27:03,742 INFO L225 Difference]: With dead ends: 149 [2022-04-28 10:27:03,743 INFO L226 Difference]: Without dead ends: 79 [2022-04-28 10:27:03,744 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 82 SyntacticMatches, 1 SemanticMatches, 170 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1656 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=6947, Invalid=22465, Unknown=0, NotChecked=0, Total=29412 [2022-04-28 10:27:03,744 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 17 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 4034 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 303 SdHoareTripleChecker+Invalid, 4151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 4034 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-04-28 10:27:03,744 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 303 Invalid, 4151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 4034 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-04-28 10:27:03,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2022-04-28 10:27:03,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 78. [2022-04-28 10:27:03,831 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 10:27:03,831 INFO L82 GeneralOperation]: Start isEquivalent. First operand 79 states. Second operand has 78 states, 70 states have (on average 1.0571428571428572) internal successors, (74), 71 states have internal predecessors, (74), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:27:03,831 INFO L74 IsIncluded]: Start isIncluded. First operand 79 states. Second operand has 78 states, 70 states have (on average 1.0571428571428572) internal successors, (74), 71 states have internal predecessors, (74), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:27:03,831 INFO L87 Difference]: Start difference. First operand 79 states. Second operand has 78 states, 70 states have (on average 1.0571428571428572) internal successors, (74), 71 states have internal predecessors, (74), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:27:03,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:27:03,832 INFO L93 Difference]: Finished difference Result 79 states and 83 transitions. [2022-04-28 10:27:03,832 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 83 transitions. [2022-04-28 10:27:03,832 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:27:03,832 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:27:03,832 INFO L74 IsIncluded]: Start isIncluded. First operand has 78 states, 70 states have (on average 1.0571428571428572) internal successors, (74), 71 states have internal predecessors, (74), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 79 states. [2022-04-28 10:27:03,832 INFO L87 Difference]: Start difference. First operand has 78 states, 70 states have (on average 1.0571428571428572) internal successors, (74), 71 states have internal predecessors, (74), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 79 states. [2022-04-28 10:27:03,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:27:03,833 INFO L93 Difference]: Finished difference Result 79 states and 83 transitions. [2022-04-28 10:27:03,833 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 83 transitions. [2022-04-28 10:27:03,833 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:27:03,833 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:27:03,833 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 10:27:03,833 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 10:27:03,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 70 states have (on average 1.0571428571428572) internal successors, (74), 71 states have internal predecessors, (74), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:27:03,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 82 transitions. [2022-04-28 10:27:03,834 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 82 transitions. Word has length 68 [2022-04-28 10:27:03,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 10:27:03,834 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 82 transitions. [2022-04-28 10:27:03,834 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 59 states, 59 states have (on average 1.0847457627118644) internal successors, (64), 58 states have internal predecessors, (64), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:27:03,834 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 78 states and 82 transitions. [2022-04-28 10:27:03,917 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 82 edges. 82 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:27:03,917 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 82 transitions. [2022-04-28 10:27:03,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-04-28 10:27:03,917 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 10:27:03,917 INFO L195 NwaCegarLoop]: trace histogram [56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 10:27:03,936 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (56)] Forceful destruction successful, exit code 0 [2022-04-28 10:27:04,118 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58,56 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:27:04,118 INFO L420 AbstractCegarLoop]: === Iteration 60 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 10:27:04,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 10:27:04,118 INFO L85 PathProgramCache]: Analyzing trace with hash -98462910, now seen corresponding path program 111 times [2022-04-28 10:27:04,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 10:27:04,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [96055806] [2022-04-28 10:27:04,120 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-28 10:27:04,120 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-28 10:27:04,121 INFO L85 PathProgramCache]: Analyzing trace with hash -98462910, now seen corresponding path program 112 times [2022-04-28 10:27:04,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 10:27:04,121 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456010312] [2022-04-28 10:27:04,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 10:27:04,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 10:27:04,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:27:05,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 10:27:05,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:27:05,609 INFO L290 TraceCheckUtils]: 0: Hoare triple {42839#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {42777#true} is VALID [2022-04-28 10:27:05,609 INFO L290 TraceCheckUtils]: 1: Hoare triple {42777#true} assume true; {42777#true} is VALID [2022-04-28 10:27:05,609 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {42777#true} {42777#true} #63#return; {42777#true} is VALID [2022-04-28 10:27:05,609 INFO L272 TraceCheckUtils]: 0: Hoare triple {42777#true} call ULTIMATE.init(); {42839#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 10:27:05,609 INFO L290 TraceCheckUtils]: 1: Hoare triple {42839#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {42777#true} is VALID [2022-04-28 10:27:05,609 INFO L290 TraceCheckUtils]: 2: Hoare triple {42777#true} assume true; {42777#true} is VALID [2022-04-28 10:27:05,609 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {42777#true} {42777#true} #63#return; {42777#true} is VALID [2022-04-28 10:27:05,609 INFO L272 TraceCheckUtils]: 4: Hoare triple {42777#true} call #t~ret7 := main(); {42777#true} is VALID [2022-04-28 10:27:05,609 INFO L290 TraceCheckUtils]: 5: Hoare triple {42777#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {42777#true} is VALID [2022-04-28 10:27:05,610 INFO L290 TraceCheckUtils]: 6: Hoare triple {42777#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {42777#true} is VALID [2022-04-28 10:27:05,610 INFO L290 TraceCheckUtils]: 7: Hoare triple {42777#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {42782#(= main_~z~0 0)} is VALID [2022-04-28 10:27:05,610 INFO L290 TraceCheckUtils]: 8: Hoare triple {42782#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42783#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:27:05,611 INFO L290 TraceCheckUtils]: 9: Hoare triple {42783#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42784#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:27:05,611 INFO L290 TraceCheckUtils]: 10: Hoare triple {42784#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42785#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:27:05,612 INFO L290 TraceCheckUtils]: 11: Hoare triple {42785#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42786#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:27:05,612 INFO L290 TraceCheckUtils]: 12: Hoare triple {42786#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42787#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:27:05,612 INFO L290 TraceCheckUtils]: 13: Hoare triple {42787#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42788#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:27:05,613 INFO L290 TraceCheckUtils]: 14: Hoare triple {42788#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42789#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:27:05,613 INFO L290 TraceCheckUtils]: 15: Hoare triple {42789#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42790#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:27:05,614 INFO L290 TraceCheckUtils]: 16: Hoare triple {42790#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42791#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:27:05,614 INFO L290 TraceCheckUtils]: 17: Hoare triple {42791#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42792#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:27:05,615 INFO L290 TraceCheckUtils]: 18: Hoare triple {42792#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42793#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:27:05,615 INFO L290 TraceCheckUtils]: 19: Hoare triple {42793#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42794#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:27:05,616 INFO L290 TraceCheckUtils]: 20: Hoare triple {42794#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42795#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:27:05,616 INFO L290 TraceCheckUtils]: 21: Hoare triple {42795#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42796#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:27:05,617 INFO L290 TraceCheckUtils]: 22: Hoare triple {42796#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42797#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:27:05,617 INFO L290 TraceCheckUtils]: 23: Hoare triple {42797#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42798#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:27:05,617 INFO L290 TraceCheckUtils]: 24: Hoare triple {42798#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42799#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:27:05,618 INFO L290 TraceCheckUtils]: 25: Hoare triple {42799#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42800#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:27:05,618 INFO L290 TraceCheckUtils]: 26: Hoare triple {42800#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42801#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:27:05,619 INFO L290 TraceCheckUtils]: 27: Hoare triple {42801#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42802#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 10:27:05,619 INFO L290 TraceCheckUtils]: 28: Hoare triple {42802#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42803#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 10:27:05,620 INFO L290 TraceCheckUtils]: 29: Hoare triple {42803#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42804#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 10:27:05,620 INFO L290 TraceCheckUtils]: 30: Hoare triple {42804#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42805#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 10:27:05,621 INFO L290 TraceCheckUtils]: 31: Hoare triple {42805#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42806#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 10:27:05,621 INFO L290 TraceCheckUtils]: 32: Hoare triple {42806#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42807#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 10:27:05,622 INFO L290 TraceCheckUtils]: 33: Hoare triple {42807#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42808#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 10:27:05,622 INFO L290 TraceCheckUtils]: 34: Hoare triple {42808#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42809#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 10:27:05,622 INFO L290 TraceCheckUtils]: 35: Hoare triple {42809#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42810#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 10:27:05,623 INFO L290 TraceCheckUtils]: 36: Hoare triple {42810#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42811#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 10:27:05,623 INFO L290 TraceCheckUtils]: 37: Hoare triple {42811#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42812#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 10:27:05,624 INFO L290 TraceCheckUtils]: 38: Hoare triple {42812#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42813#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 10:27:05,624 INFO L290 TraceCheckUtils]: 39: Hoare triple {42813#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42814#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 10:27:05,625 INFO L290 TraceCheckUtils]: 40: Hoare triple {42814#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42815#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 10:27:05,625 INFO L290 TraceCheckUtils]: 41: Hoare triple {42815#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42816#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 10:27:05,626 INFO L290 TraceCheckUtils]: 42: Hoare triple {42816#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42817#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 10:27:05,626 INFO L290 TraceCheckUtils]: 43: Hoare triple {42817#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42818#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 10:27:05,626 INFO L290 TraceCheckUtils]: 44: Hoare triple {42818#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42819#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 10:27:05,627 INFO L290 TraceCheckUtils]: 45: Hoare triple {42819#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42820#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 10:27:05,627 INFO L290 TraceCheckUtils]: 46: Hoare triple {42820#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42821#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 10:27:05,628 INFO L290 TraceCheckUtils]: 47: Hoare triple {42821#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42822#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 10:27:05,628 INFO L290 TraceCheckUtils]: 48: Hoare triple {42822#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42823#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 10:27:05,629 INFO L290 TraceCheckUtils]: 49: Hoare triple {42823#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42824#(and (<= 42 main_~z~0) (<= main_~z~0 42))} is VALID [2022-04-28 10:27:05,629 INFO L290 TraceCheckUtils]: 50: Hoare triple {42824#(and (<= 42 main_~z~0) (<= main_~z~0 42))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42825#(and (<= main_~z~0 43) (<= 43 main_~z~0))} is VALID [2022-04-28 10:27:05,630 INFO L290 TraceCheckUtils]: 51: Hoare triple {42825#(and (<= main_~z~0 43) (<= 43 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42826#(and (<= main_~z~0 44) (<= 44 main_~z~0))} is VALID [2022-04-28 10:27:05,630 INFO L290 TraceCheckUtils]: 52: Hoare triple {42826#(and (<= main_~z~0 44) (<= 44 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42827#(and (<= main_~z~0 45) (<= 45 main_~z~0))} is VALID [2022-04-28 10:27:05,630 INFO L290 TraceCheckUtils]: 53: Hoare triple {42827#(and (<= main_~z~0 45) (<= 45 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42828#(and (<= 46 main_~z~0) (<= main_~z~0 46))} is VALID [2022-04-28 10:27:05,631 INFO L290 TraceCheckUtils]: 54: Hoare triple {42828#(and (<= 46 main_~z~0) (<= main_~z~0 46))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42829#(and (<= main_~z~0 47) (<= 47 main_~z~0))} is VALID [2022-04-28 10:27:05,631 INFO L290 TraceCheckUtils]: 55: Hoare triple {42829#(and (<= main_~z~0 47) (<= 47 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42830#(and (<= 48 main_~z~0) (<= main_~z~0 48))} is VALID [2022-04-28 10:27:05,632 INFO L290 TraceCheckUtils]: 56: Hoare triple {42830#(and (<= 48 main_~z~0) (<= main_~z~0 48))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42831#(and (<= 49 main_~z~0) (<= main_~z~0 49))} is VALID [2022-04-28 10:27:05,632 INFO L290 TraceCheckUtils]: 57: Hoare triple {42831#(and (<= 49 main_~z~0) (<= main_~z~0 49))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42832#(and (<= 50 main_~z~0) (<= main_~z~0 50))} is VALID [2022-04-28 10:27:05,633 INFO L290 TraceCheckUtils]: 58: Hoare triple {42832#(and (<= 50 main_~z~0) (<= main_~z~0 50))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42833#(and (<= main_~z~0 51) (<= 51 main_~z~0))} is VALID [2022-04-28 10:27:05,633 INFO L290 TraceCheckUtils]: 59: Hoare triple {42833#(and (<= main_~z~0 51) (<= 51 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42834#(and (<= 52 main_~z~0) (<= main_~z~0 52))} is VALID [2022-04-28 10:27:05,634 INFO L290 TraceCheckUtils]: 60: Hoare triple {42834#(and (<= 52 main_~z~0) (<= main_~z~0 52))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42835#(and (<= 53 main_~z~0) (<= main_~z~0 53))} is VALID [2022-04-28 10:27:05,634 INFO L290 TraceCheckUtils]: 61: Hoare triple {42835#(and (<= 53 main_~z~0) (<= main_~z~0 53))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42836#(and (<= main_~z~0 54) (<= 54 main_~z~0))} is VALID [2022-04-28 10:27:05,635 INFO L290 TraceCheckUtils]: 62: Hoare triple {42836#(and (<= main_~z~0 54) (<= 54 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42837#(and (<= 55 main_~z~0) (<= main_~z~0 55))} is VALID [2022-04-28 10:27:05,635 INFO L290 TraceCheckUtils]: 63: Hoare triple {42837#(and (<= 55 main_~z~0) (<= main_~z~0 55))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42838#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 56))} is VALID [2022-04-28 10:27:05,635 INFO L290 TraceCheckUtils]: 64: Hoare triple {42838#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 56))} assume !(~z~0 % 4294967296 < 268435455); {42778#false} is VALID [2022-04-28 10:27:05,636 INFO L272 TraceCheckUtils]: 65: Hoare triple {42778#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {42778#false} is VALID [2022-04-28 10:27:05,636 INFO L290 TraceCheckUtils]: 66: Hoare triple {42778#false} ~cond := #in~cond; {42778#false} is VALID [2022-04-28 10:27:05,636 INFO L290 TraceCheckUtils]: 67: Hoare triple {42778#false} assume 0 == ~cond; {42778#false} is VALID [2022-04-28 10:27:05,636 INFO L290 TraceCheckUtils]: 68: Hoare triple {42778#false} assume !false; {42778#false} is VALID [2022-04-28 10:27:05,636 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:27:05,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 10:27:05,636 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456010312] [2022-04-28 10:27:05,636 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456010312] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 10:27:05,636 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [919168309] [2022-04-28 10:27:05,636 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-28 10:27:05,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:27:05,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 10:27:05,638 INFO L229 MonitoredProcess]: Starting monitored process 57 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 10:27:05,638 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (57)] Waiting until timeout for monitored process [2022-04-28 10:27:05,751 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-28 10:27:05,751 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 10:27:05,753 WARN L261 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 117 conjunts are in the unsatisfiable core [2022-04-28 10:27:05,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:27:05,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 10:27:06,451 INFO L272 TraceCheckUtils]: 0: Hoare triple {42777#true} call ULTIMATE.init(); {42777#true} is VALID [2022-04-28 10:27:06,451 INFO L290 TraceCheckUtils]: 1: Hoare triple {42777#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {42777#true} is VALID [2022-04-28 10:27:06,451 INFO L290 TraceCheckUtils]: 2: Hoare triple {42777#true} assume true; {42777#true} is VALID [2022-04-28 10:27:06,451 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {42777#true} {42777#true} #63#return; {42777#true} is VALID [2022-04-28 10:27:06,452 INFO L272 TraceCheckUtils]: 4: Hoare triple {42777#true} call #t~ret7 := main(); {42777#true} is VALID [2022-04-28 10:27:06,452 INFO L290 TraceCheckUtils]: 5: Hoare triple {42777#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {42777#true} is VALID [2022-04-28 10:27:06,452 INFO L290 TraceCheckUtils]: 6: Hoare triple {42777#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {42777#true} is VALID [2022-04-28 10:27:06,452 INFO L290 TraceCheckUtils]: 7: Hoare triple {42777#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {42782#(= main_~z~0 0)} is VALID [2022-04-28 10:27:06,452 INFO L290 TraceCheckUtils]: 8: Hoare triple {42782#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42783#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:27:06,453 INFO L290 TraceCheckUtils]: 9: Hoare triple {42783#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42784#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:27:06,453 INFO L290 TraceCheckUtils]: 10: Hoare triple {42784#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42785#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:27:06,454 INFO L290 TraceCheckUtils]: 11: Hoare triple {42785#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42786#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:27:06,454 INFO L290 TraceCheckUtils]: 12: Hoare triple {42786#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42787#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:27:06,455 INFO L290 TraceCheckUtils]: 13: Hoare triple {42787#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42788#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:27:06,455 INFO L290 TraceCheckUtils]: 14: Hoare triple {42788#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42789#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:27:06,455 INFO L290 TraceCheckUtils]: 15: Hoare triple {42789#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42790#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:27:06,456 INFO L290 TraceCheckUtils]: 16: Hoare triple {42790#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42791#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:27:06,456 INFO L290 TraceCheckUtils]: 17: Hoare triple {42791#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42792#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:27:06,457 INFO L290 TraceCheckUtils]: 18: Hoare triple {42792#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42793#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:27:06,457 INFO L290 TraceCheckUtils]: 19: Hoare triple {42793#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42794#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:27:06,458 INFO L290 TraceCheckUtils]: 20: Hoare triple {42794#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42795#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:27:06,458 INFO L290 TraceCheckUtils]: 21: Hoare triple {42795#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42796#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:27:06,459 INFO L290 TraceCheckUtils]: 22: Hoare triple {42796#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42797#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:27:06,459 INFO L290 TraceCheckUtils]: 23: Hoare triple {42797#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42798#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:27:06,459 INFO L290 TraceCheckUtils]: 24: Hoare triple {42798#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42799#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:27:06,460 INFO L290 TraceCheckUtils]: 25: Hoare triple {42799#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42800#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:27:06,460 INFO L290 TraceCheckUtils]: 26: Hoare triple {42800#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42801#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:27:06,461 INFO L290 TraceCheckUtils]: 27: Hoare triple {42801#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42802#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 10:27:06,461 INFO L290 TraceCheckUtils]: 28: Hoare triple {42802#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42803#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 10:27:06,462 INFO L290 TraceCheckUtils]: 29: Hoare triple {42803#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42804#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 10:27:06,462 INFO L290 TraceCheckUtils]: 30: Hoare triple {42804#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42805#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 10:27:06,463 INFO L290 TraceCheckUtils]: 31: Hoare triple {42805#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42806#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 10:27:06,463 INFO L290 TraceCheckUtils]: 32: Hoare triple {42806#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42807#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 10:27:06,464 INFO L290 TraceCheckUtils]: 33: Hoare triple {42807#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42808#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 10:27:06,464 INFO L290 TraceCheckUtils]: 34: Hoare triple {42808#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42809#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 10:27:06,464 INFO L290 TraceCheckUtils]: 35: Hoare triple {42809#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42810#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 10:27:06,465 INFO L290 TraceCheckUtils]: 36: Hoare triple {42810#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42811#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 10:27:06,465 INFO L290 TraceCheckUtils]: 37: Hoare triple {42811#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42812#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 10:27:06,466 INFO L290 TraceCheckUtils]: 38: Hoare triple {42812#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42813#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 10:27:06,466 INFO L290 TraceCheckUtils]: 39: Hoare triple {42813#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42814#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 10:27:06,467 INFO L290 TraceCheckUtils]: 40: Hoare triple {42814#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42815#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 10:27:06,467 INFO L290 TraceCheckUtils]: 41: Hoare triple {42815#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42816#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 10:27:06,468 INFO L290 TraceCheckUtils]: 42: Hoare triple {42816#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42817#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 10:27:06,468 INFO L290 TraceCheckUtils]: 43: Hoare triple {42817#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42818#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 10:27:06,468 INFO L290 TraceCheckUtils]: 44: Hoare triple {42818#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42819#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 10:27:06,469 INFO L290 TraceCheckUtils]: 45: Hoare triple {42819#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42820#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 10:27:06,469 INFO L290 TraceCheckUtils]: 46: Hoare triple {42820#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42821#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 10:27:06,470 INFO L290 TraceCheckUtils]: 47: Hoare triple {42821#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42822#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 10:27:06,470 INFO L290 TraceCheckUtils]: 48: Hoare triple {42822#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42823#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 10:27:06,471 INFO L290 TraceCheckUtils]: 49: Hoare triple {42823#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42824#(and (<= 42 main_~z~0) (<= main_~z~0 42))} is VALID [2022-04-28 10:27:06,471 INFO L290 TraceCheckUtils]: 50: Hoare triple {42824#(and (<= 42 main_~z~0) (<= main_~z~0 42))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42825#(and (<= main_~z~0 43) (<= 43 main_~z~0))} is VALID [2022-04-28 10:27:06,472 INFO L290 TraceCheckUtils]: 51: Hoare triple {42825#(and (<= main_~z~0 43) (<= 43 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42826#(and (<= main_~z~0 44) (<= 44 main_~z~0))} is VALID [2022-04-28 10:27:06,472 INFO L290 TraceCheckUtils]: 52: Hoare triple {42826#(and (<= main_~z~0 44) (<= 44 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42827#(and (<= main_~z~0 45) (<= 45 main_~z~0))} is VALID [2022-04-28 10:27:06,472 INFO L290 TraceCheckUtils]: 53: Hoare triple {42827#(and (<= main_~z~0 45) (<= 45 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42828#(and (<= 46 main_~z~0) (<= main_~z~0 46))} is VALID [2022-04-28 10:27:06,473 INFO L290 TraceCheckUtils]: 54: Hoare triple {42828#(and (<= 46 main_~z~0) (<= main_~z~0 46))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42829#(and (<= main_~z~0 47) (<= 47 main_~z~0))} is VALID [2022-04-28 10:27:06,473 INFO L290 TraceCheckUtils]: 55: Hoare triple {42829#(and (<= main_~z~0 47) (<= 47 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42830#(and (<= 48 main_~z~0) (<= main_~z~0 48))} is VALID [2022-04-28 10:27:06,474 INFO L290 TraceCheckUtils]: 56: Hoare triple {42830#(and (<= 48 main_~z~0) (<= main_~z~0 48))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42831#(and (<= 49 main_~z~0) (<= main_~z~0 49))} is VALID [2022-04-28 10:27:06,474 INFO L290 TraceCheckUtils]: 57: Hoare triple {42831#(and (<= 49 main_~z~0) (<= main_~z~0 49))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42832#(and (<= 50 main_~z~0) (<= main_~z~0 50))} is VALID [2022-04-28 10:27:06,475 INFO L290 TraceCheckUtils]: 58: Hoare triple {42832#(and (<= 50 main_~z~0) (<= main_~z~0 50))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42833#(and (<= main_~z~0 51) (<= 51 main_~z~0))} is VALID [2022-04-28 10:27:06,475 INFO L290 TraceCheckUtils]: 59: Hoare triple {42833#(and (<= main_~z~0 51) (<= 51 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42834#(and (<= 52 main_~z~0) (<= main_~z~0 52))} is VALID [2022-04-28 10:27:06,476 INFO L290 TraceCheckUtils]: 60: Hoare triple {42834#(and (<= 52 main_~z~0) (<= main_~z~0 52))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42835#(and (<= 53 main_~z~0) (<= main_~z~0 53))} is VALID [2022-04-28 10:27:06,476 INFO L290 TraceCheckUtils]: 61: Hoare triple {42835#(and (<= 53 main_~z~0) (<= main_~z~0 53))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42836#(and (<= main_~z~0 54) (<= 54 main_~z~0))} is VALID [2022-04-28 10:27:06,476 INFO L290 TraceCheckUtils]: 62: Hoare triple {42836#(and (<= main_~z~0 54) (<= 54 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {42837#(and (<= 55 main_~z~0) (<= main_~z~0 55))} is VALID [2022-04-28 10:27:06,477 INFO L290 TraceCheckUtils]: 63: Hoare triple {42837#(and (<= 55 main_~z~0) (<= main_~z~0 55))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43032#(and (<= 56 main_~z~0) (<= main_~z~0 56))} is VALID [2022-04-28 10:27:06,477 INFO L290 TraceCheckUtils]: 64: Hoare triple {43032#(and (<= 56 main_~z~0) (<= main_~z~0 56))} assume !(~z~0 % 4294967296 < 268435455); {43032#(and (<= 56 main_~z~0) (<= main_~z~0 56))} is VALID [2022-04-28 10:27:06,478 INFO L272 TraceCheckUtils]: 65: Hoare triple {43032#(and (<= 56 main_~z~0) (<= main_~z~0 56))} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {43039#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-28 10:27:06,478 INFO L290 TraceCheckUtils]: 66: Hoare triple {43039#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {43043#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-28 10:27:06,478 INFO L290 TraceCheckUtils]: 67: Hoare triple {43043#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {42778#false} is VALID [2022-04-28 10:27:06,479 INFO L290 TraceCheckUtils]: 68: Hoare triple {42778#false} assume !false; {42778#false} is VALID [2022-04-28 10:27:06,479 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:27:06,479 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 10:27:06,880 INFO L290 TraceCheckUtils]: 68: Hoare triple {42778#false} assume !false; {42778#false} is VALID [2022-04-28 10:27:06,880 INFO L290 TraceCheckUtils]: 67: Hoare triple {43043#(<= 1 __VERIFIER_assert_~cond)} assume 0 == ~cond; {42778#false} is VALID [2022-04-28 10:27:06,881 INFO L290 TraceCheckUtils]: 66: Hoare triple {43039#(<= 1 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {43043#(<= 1 __VERIFIER_assert_~cond)} is VALID [2022-04-28 10:27:06,881 INFO L272 TraceCheckUtils]: 65: Hoare triple {43059#(= (mod main_~z~0 4) 0)} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {43039#(<= 1 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-28 10:27:06,881 INFO L290 TraceCheckUtils]: 64: Hoare triple {43059#(= (mod main_~z~0 4) 0)} assume !(~z~0 % 4294967296 < 268435455); {43059#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 10:27:06,882 INFO L290 TraceCheckUtils]: 63: Hoare triple {43066#(= (mod (+ main_~z~0 1) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43059#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 10:27:06,882 INFO L290 TraceCheckUtils]: 62: Hoare triple {43070#(= (mod (+ main_~z~0 2) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43066#(= (mod (+ main_~z~0 1) 4) 0)} is VALID [2022-04-28 10:27:06,883 INFO L290 TraceCheckUtils]: 61: Hoare triple {43074#(= (mod (+ main_~z~0 3) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43070#(= (mod (+ main_~z~0 2) 4) 0)} is VALID [2022-04-28 10:27:06,884 INFO L290 TraceCheckUtils]: 60: Hoare triple {43059#(= (mod main_~z~0 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43074#(= (mod (+ main_~z~0 3) 4) 0)} is VALID [2022-04-28 10:27:06,885 INFO L290 TraceCheckUtils]: 59: Hoare triple {43066#(= (mod (+ main_~z~0 1) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43059#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 10:27:06,885 INFO L290 TraceCheckUtils]: 58: Hoare triple {43070#(= (mod (+ main_~z~0 2) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43066#(= (mod (+ main_~z~0 1) 4) 0)} is VALID [2022-04-28 10:27:06,886 INFO L290 TraceCheckUtils]: 57: Hoare triple {43074#(= (mod (+ main_~z~0 3) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43070#(= (mod (+ main_~z~0 2) 4) 0)} is VALID [2022-04-28 10:27:06,887 INFO L290 TraceCheckUtils]: 56: Hoare triple {43059#(= (mod main_~z~0 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43074#(= (mod (+ main_~z~0 3) 4) 0)} is VALID [2022-04-28 10:27:06,887 INFO L290 TraceCheckUtils]: 55: Hoare triple {43066#(= (mod (+ main_~z~0 1) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43059#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 10:27:06,888 INFO L290 TraceCheckUtils]: 54: Hoare triple {43070#(= (mod (+ main_~z~0 2) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43066#(= (mod (+ main_~z~0 1) 4) 0)} is VALID [2022-04-28 10:27:06,888 INFO L290 TraceCheckUtils]: 53: Hoare triple {43074#(= (mod (+ main_~z~0 3) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43070#(= (mod (+ main_~z~0 2) 4) 0)} is VALID [2022-04-28 10:27:06,889 INFO L290 TraceCheckUtils]: 52: Hoare triple {43059#(= (mod main_~z~0 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43074#(= (mod (+ main_~z~0 3) 4) 0)} is VALID [2022-04-28 10:27:06,889 INFO L290 TraceCheckUtils]: 51: Hoare triple {43066#(= (mod (+ main_~z~0 1) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43059#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 10:27:06,890 INFO L290 TraceCheckUtils]: 50: Hoare triple {43070#(= (mod (+ main_~z~0 2) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43066#(= (mod (+ main_~z~0 1) 4) 0)} is VALID [2022-04-28 10:27:06,890 INFO L290 TraceCheckUtils]: 49: Hoare triple {43074#(= (mod (+ main_~z~0 3) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43070#(= (mod (+ main_~z~0 2) 4) 0)} is VALID [2022-04-28 10:27:06,891 INFO L290 TraceCheckUtils]: 48: Hoare triple {43059#(= (mod main_~z~0 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43074#(= (mod (+ main_~z~0 3) 4) 0)} is VALID [2022-04-28 10:27:06,891 INFO L290 TraceCheckUtils]: 47: Hoare triple {43066#(= (mod (+ main_~z~0 1) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43059#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 10:27:06,892 INFO L290 TraceCheckUtils]: 46: Hoare triple {43070#(= (mod (+ main_~z~0 2) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43066#(= (mod (+ main_~z~0 1) 4) 0)} is VALID [2022-04-28 10:27:06,892 INFO L290 TraceCheckUtils]: 45: Hoare triple {43074#(= (mod (+ main_~z~0 3) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43070#(= (mod (+ main_~z~0 2) 4) 0)} is VALID [2022-04-28 10:27:06,893 INFO L290 TraceCheckUtils]: 44: Hoare triple {43059#(= (mod main_~z~0 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43074#(= (mod (+ main_~z~0 3) 4) 0)} is VALID [2022-04-28 10:27:06,894 INFO L290 TraceCheckUtils]: 43: Hoare triple {43066#(= (mod (+ main_~z~0 1) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43059#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 10:27:06,894 INFO L290 TraceCheckUtils]: 42: Hoare triple {43070#(= (mod (+ main_~z~0 2) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43066#(= (mod (+ main_~z~0 1) 4) 0)} is VALID [2022-04-28 10:27:06,894 INFO L290 TraceCheckUtils]: 41: Hoare triple {43074#(= (mod (+ main_~z~0 3) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43070#(= (mod (+ main_~z~0 2) 4) 0)} is VALID [2022-04-28 10:27:06,895 INFO L290 TraceCheckUtils]: 40: Hoare triple {43059#(= (mod main_~z~0 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43074#(= (mod (+ main_~z~0 3) 4) 0)} is VALID [2022-04-28 10:27:06,896 INFO L290 TraceCheckUtils]: 39: Hoare triple {43066#(= (mod (+ main_~z~0 1) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43059#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 10:27:06,903 INFO L290 TraceCheckUtils]: 38: Hoare triple {43070#(= (mod (+ main_~z~0 2) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43066#(= (mod (+ main_~z~0 1) 4) 0)} is VALID [2022-04-28 10:27:06,904 INFO L290 TraceCheckUtils]: 37: Hoare triple {43074#(= (mod (+ main_~z~0 3) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43070#(= (mod (+ main_~z~0 2) 4) 0)} is VALID [2022-04-28 10:27:06,906 INFO L290 TraceCheckUtils]: 36: Hoare triple {43059#(= (mod main_~z~0 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43074#(= (mod (+ main_~z~0 3) 4) 0)} is VALID [2022-04-28 10:27:06,906 INFO L290 TraceCheckUtils]: 35: Hoare triple {43066#(= (mod (+ main_~z~0 1) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43059#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 10:27:06,907 INFO L290 TraceCheckUtils]: 34: Hoare triple {43070#(= (mod (+ main_~z~0 2) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43066#(= (mod (+ main_~z~0 1) 4) 0)} is VALID [2022-04-28 10:27:06,908 INFO L290 TraceCheckUtils]: 33: Hoare triple {43074#(= (mod (+ main_~z~0 3) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43070#(= (mod (+ main_~z~0 2) 4) 0)} is VALID [2022-04-28 10:27:06,909 INFO L290 TraceCheckUtils]: 32: Hoare triple {43059#(= (mod main_~z~0 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43074#(= (mod (+ main_~z~0 3) 4) 0)} is VALID [2022-04-28 10:27:06,910 INFO L290 TraceCheckUtils]: 31: Hoare triple {43066#(= (mod (+ main_~z~0 1) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43059#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 10:27:06,911 INFO L290 TraceCheckUtils]: 30: Hoare triple {43070#(= (mod (+ main_~z~0 2) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43066#(= (mod (+ main_~z~0 1) 4) 0)} is VALID [2022-04-28 10:27:06,912 INFO L290 TraceCheckUtils]: 29: Hoare triple {43074#(= (mod (+ main_~z~0 3) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43070#(= (mod (+ main_~z~0 2) 4) 0)} is VALID [2022-04-28 10:27:06,913 INFO L290 TraceCheckUtils]: 28: Hoare triple {43059#(= (mod main_~z~0 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43074#(= (mod (+ main_~z~0 3) 4) 0)} is VALID [2022-04-28 10:27:06,913 INFO L290 TraceCheckUtils]: 27: Hoare triple {43066#(= (mod (+ main_~z~0 1) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43059#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 10:27:06,914 INFO L290 TraceCheckUtils]: 26: Hoare triple {43070#(= (mod (+ main_~z~0 2) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43066#(= (mod (+ main_~z~0 1) 4) 0)} is VALID [2022-04-28 10:27:06,915 INFO L290 TraceCheckUtils]: 25: Hoare triple {43074#(= (mod (+ main_~z~0 3) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43070#(= (mod (+ main_~z~0 2) 4) 0)} is VALID [2022-04-28 10:27:06,915 INFO L290 TraceCheckUtils]: 24: Hoare triple {43059#(= (mod main_~z~0 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43074#(= (mod (+ main_~z~0 3) 4) 0)} is VALID [2022-04-28 10:27:06,916 INFO L290 TraceCheckUtils]: 23: Hoare triple {43066#(= (mod (+ main_~z~0 1) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43059#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 10:27:06,916 INFO L290 TraceCheckUtils]: 22: Hoare triple {43070#(= (mod (+ main_~z~0 2) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43066#(= (mod (+ main_~z~0 1) 4) 0)} is VALID [2022-04-28 10:27:06,917 INFO L290 TraceCheckUtils]: 21: Hoare triple {43074#(= (mod (+ main_~z~0 3) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43070#(= (mod (+ main_~z~0 2) 4) 0)} is VALID [2022-04-28 10:27:06,918 INFO L290 TraceCheckUtils]: 20: Hoare triple {43059#(= (mod main_~z~0 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43074#(= (mod (+ main_~z~0 3) 4) 0)} is VALID [2022-04-28 10:27:06,919 INFO L290 TraceCheckUtils]: 19: Hoare triple {43066#(= (mod (+ main_~z~0 1) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43059#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 10:27:06,919 INFO L290 TraceCheckUtils]: 18: Hoare triple {43070#(= (mod (+ main_~z~0 2) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43066#(= (mod (+ main_~z~0 1) 4) 0)} is VALID [2022-04-28 10:27:06,920 INFO L290 TraceCheckUtils]: 17: Hoare triple {43074#(= (mod (+ main_~z~0 3) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43070#(= (mod (+ main_~z~0 2) 4) 0)} is VALID [2022-04-28 10:27:06,921 INFO L290 TraceCheckUtils]: 16: Hoare triple {43059#(= (mod main_~z~0 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43074#(= (mod (+ main_~z~0 3) 4) 0)} is VALID [2022-04-28 10:27:06,921 INFO L290 TraceCheckUtils]: 15: Hoare triple {43066#(= (mod (+ main_~z~0 1) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43059#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 10:27:06,922 INFO L290 TraceCheckUtils]: 14: Hoare triple {43070#(= (mod (+ main_~z~0 2) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43066#(= (mod (+ main_~z~0 1) 4) 0)} is VALID [2022-04-28 10:27:06,922 INFO L290 TraceCheckUtils]: 13: Hoare triple {43074#(= (mod (+ main_~z~0 3) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43070#(= (mod (+ main_~z~0 2) 4) 0)} is VALID [2022-04-28 10:27:06,923 INFO L290 TraceCheckUtils]: 12: Hoare triple {43059#(= (mod main_~z~0 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43074#(= (mod (+ main_~z~0 3) 4) 0)} is VALID [2022-04-28 10:27:06,923 INFO L290 TraceCheckUtils]: 11: Hoare triple {43066#(= (mod (+ main_~z~0 1) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43059#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 10:27:06,924 INFO L290 TraceCheckUtils]: 10: Hoare triple {43070#(= (mod (+ main_~z~0 2) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43066#(= (mod (+ main_~z~0 1) 4) 0)} is VALID [2022-04-28 10:27:06,924 INFO L290 TraceCheckUtils]: 9: Hoare triple {43074#(= (mod (+ main_~z~0 3) 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43070#(= (mod (+ main_~z~0 2) 4) 0)} is VALID [2022-04-28 10:27:06,925 INFO L290 TraceCheckUtils]: 8: Hoare triple {43059#(= (mod main_~z~0 4) 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {43074#(= (mod (+ main_~z~0 3) 4) 0)} is VALID [2022-04-28 10:27:06,925 INFO L290 TraceCheckUtils]: 7: Hoare triple {42777#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {43059#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 10:27:06,925 INFO L290 TraceCheckUtils]: 6: Hoare triple {42777#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {42777#true} is VALID [2022-04-28 10:27:06,925 INFO L290 TraceCheckUtils]: 5: Hoare triple {42777#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {42777#true} is VALID [2022-04-28 10:27:06,925 INFO L272 TraceCheckUtils]: 4: Hoare triple {42777#true} call #t~ret7 := main(); {42777#true} is VALID [2022-04-28 10:27:06,925 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {42777#true} {42777#true} #63#return; {42777#true} is VALID [2022-04-28 10:27:06,925 INFO L290 TraceCheckUtils]: 2: Hoare triple {42777#true} assume true; {42777#true} is VALID [2022-04-28 10:27:06,925 INFO L290 TraceCheckUtils]: 1: Hoare triple {42777#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {42777#true} is VALID [2022-04-28 10:27:06,925 INFO L272 TraceCheckUtils]: 0: Hoare triple {42777#true} call ULTIMATE.init(); {42777#true} is VALID [2022-04-28 10:27:06,926 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 1218 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2022-04-28 10:27:06,926 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [919168309] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 10:27:06,926 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 10:27:06,926 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [60, 61, 8] total 67 [2022-04-28 10:27:06,927 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 10:27:06,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [96055806] [2022-04-28 10:27:06,927 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [96055806] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 10:27:06,927 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 10:27:06,927 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [60] imperfect sequences [] total 60 [2022-04-28 10:27:06,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828114987] [2022-04-28 10:27:06,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 10:27:06,927 INFO L78 Accepts]: Start accepts. Automaton has has 60 states, 60 states have (on average 1.0833333333333333) internal successors, (65), 59 states have internal predecessors, (65), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 69 [2022-04-28 10:27:06,928 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 10:27:06,928 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 60 states, 60 states have (on average 1.0833333333333333) internal successors, (65), 59 states have internal predecessors, (65), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:27:06,961 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 69 edges. 69 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:27:06,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2022-04-28 10:27:06,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 10:27:06,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2022-04-28 10:27:06,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=245, Invalid=4177, Unknown=0, NotChecked=0, Total=4422 [2022-04-28 10:27:06,962 INFO L87 Difference]: Start difference. First operand 78 states and 82 transitions. Second operand has 60 states, 60 states have (on average 1.0833333333333333) internal successors, (65), 59 states have internal predecessors, (65), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:27:12,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:27:12,978 INFO L93 Difference]: Finished difference Result 151 states and 160 transitions. [2022-04-28 10:27:12,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-04-28 10:27:12,978 INFO L78 Accepts]: Start accepts. Automaton has has 60 states, 60 states have (on average 1.0833333333333333) internal successors, (65), 59 states have internal predecessors, (65), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 69 [2022-04-28 10:27:12,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 10:27:12,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 60 states have (on average 1.0833333333333333) internal successors, (65), 59 states have internal predecessors, (65), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:27:12,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 102 transitions. [2022-04-28 10:27:12,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 60 states have (on average 1.0833333333333333) internal successors, (65), 59 states have internal predecessors, (65), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:27:12,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 102 transitions. [2022-04-28 10:27:12,980 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 60 states and 102 transitions. [2022-04-28 10:27:13,045 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 102 edges. 102 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:27:13,046 INFO L225 Difference]: With dead ends: 151 [2022-04-28 10:27:13,046 INFO L226 Difference]: Without dead ends: 80 [2022-04-28 10:27:13,048 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 133 SyntacticMatches, 2 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1620 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=641, Invalid=14611, Unknown=0, NotChecked=0, Total=15252 [2022-04-28 10:27:13,048 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 18 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 3442 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 3562 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 3442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-04-28 10:27:13,048 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 68 Invalid, 3562 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 3442 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-04-28 10:27:13,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2022-04-28 10:27:13,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 79. [2022-04-28 10:27:13,131 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 10:27:13,132 INFO L82 GeneralOperation]: Start isEquivalent. First operand 80 states. Second operand has 79 states, 71 states have (on average 1.056338028169014) internal successors, (75), 72 states have internal predecessors, (75), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:27:13,132 INFO L74 IsIncluded]: Start isIncluded. First operand 80 states. Second operand has 79 states, 71 states have (on average 1.056338028169014) internal successors, (75), 72 states have internal predecessors, (75), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:27:13,132 INFO L87 Difference]: Start difference. First operand 80 states. Second operand has 79 states, 71 states have (on average 1.056338028169014) internal successors, (75), 72 states have internal predecessors, (75), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:27:13,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:27:13,133 INFO L93 Difference]: Finished difference Result 80 states and 84 transitions. [2022-04-28 10:27:13,133 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 84 transitions. [2022-04-28 10:27:13,133 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:27:13,133 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:27:13,133 INFO L74 IsIncluded]: Start isIncluded. First operand has 79 states, 71 states have (on average 1.056338028169014) internal successors, (75), 72 states have internal predecessors, (75), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 80 states. [2022-04-28 10:27:13,133 INFO L87 Difference]: Start difference. First operand has 79 states, 71 states have (on average 1.056338028169014) internal successors, (75), 72 states have internal predecessors, (75), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 80 states. [2022-04-28 10:27:13,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:27:13,134 INFO L93 Difference]: Finished difference Result 80 states and 84 transitions. [2022-04-28 10:27:13,134 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 84 transitions. [2022-04-28 10:27:13,134 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:27:13,134 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:27:13,134 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 10:27:13,134 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 10:27:13,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 71 states have (on average 1.056338028169014) internal successors, (75), 72 states have internal predecessors, (75), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:27:13,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 83 transitions. [2022-04-28 10:27:13,135 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 83 transitions. Word has length 69 [2022-04-28 10:27:13,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 10:27:13,135 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 83 transitions. [2022-04-28 10:27:13,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 60 states have (on average 1.0833333333333333) internal successors, (65), 59 states have internal predecessors, (65), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:27:13,135 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 79 states and 83 transitions. [2022-04-28 10:27:13,207 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 83 edges. 83 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:27:13,207 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 83 transitions. [2022-04-28 10:27:13,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-04-28 10:27:13,207 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 10:27:13,207 INFO L195 NwaCegarLoop]: trace histogram [57, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 10:27:13,223 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (57)] Ended with exit code 0 [2022-04-28 10:27:13,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 57 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable59 [2022-04-28 10:27:13,408 INFO L420 AbstractCegarLoop]: === Iteration 61 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 10:27:13,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 10:27:13,408 INFO L85 PathProgramCache]: Analyzing trace with hash 1268919650, now seen corresponding path program 113 times [2022-04-28 10:27:13,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 10:27:13,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1869080233] [2022-04-28 10:27:13,410 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-28 10:27:13,410 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-28 10:27:13,410 INFO L85 PathProgramCache]: Analyzing trace with hash 1268919650, now seen corresponding path program 114 times [2022-04-28 10:27:13,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 10:27:13,410 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79862667] [2022-04-28 10:27:13,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 10:27:13,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 10:27:13,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:27:14,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 10:27:14,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:27:14,935 INFO L290 TraceCheckUtils]: 0: Hoare triple {44058#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {43995#true} is VALID [2022-04-28 10:27:14,935 INFO L290 TraceCheckUtils]: 1: Hoare triple {43995#true} assume true; {43995#true} is VALID [2022-04-28 10:27:14,935 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {43995#true} {43995#true} #63#return; {43995#true} is VALID [2022-04-28 10:27:14,935 INFO L272 TraceCheckUtils]: 0: Hoare triple {43995#true} call ULTIMATE.init(); {44058#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 10:27:14,935 INFO L290 TraceCheckUtils]: 1: Hoare triple {44058#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {43995#true} is VALID [2022-04-28 10:27:14,936 INFO L290 TraceCheckUtils]: 2: Hoare triple {43995#true} assume true; {43995#true} is VALID [2022-04-28 10:27:14,936 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {43995#true} {43995#true} #63#return; {43995#true} is VALID [2022-04-28 10:27:14,936 INFO L272 TraceCheckUtils]: 4: Hoare triple {43995#true} call #t~ret7 := main(); {43995#true} is VALID [2022-04-28 10:27:14,936 INFO L290 TraceCheckUtils]: 5: Hoare triple {43995#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {43995#true} is VALID [2022-04-28 10:27:14,936 INFO L290 TraceCheckUtils]: 6: Hoare triple {43995#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {43995#true} is VALID [2022-04-28 10:27:14,936 INFO L290 TraceCheckUtils]: 7: Hoare triple {43995#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {44000#(= main_~z~0 0)} is VALID [2022-04-28 10:27:14,937 INFO L290 TraceCheckUtils]: 8: Hoare triple {44000#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44001#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:27:14,937 INFO L290 TraceCheckUtils]: 9: Hoare triple {44001#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44002#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:27:14,938 INFO L290 TraceCheckUtils]: 10: Hoare triple {44002#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44003#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:27:14,938 INFO L290 TraceCheckUtils]: 11: Hoare triple {44003#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44004#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:27:14,939 INFO L290 TraceCheckUtils]: 12: Hoare triple {44004#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44005#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:27:14,939 INFO L290 TraceCheckUtils]: 13: Hoare triple {44005#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44006#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:27:14,939 INFO L290 TraceCheckUtils]: 14: Hoare triple {44006#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44007#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:27:14,940 INFO L290 TraceCheckUtils]: 15: Hoare triple {44007#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44008#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:27:14,940 INFO L290 TraceCheckUtils]: 16: Hoare triple {44008#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44009#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:27:14,941 INFO L290 TraceCheckUtils]: 17: Hoare triple {44009#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44010#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:27:14,941 INFO L290 TraceCheckUtils]: 18: Hoare triple {44010#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44011#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:27:14,942 INFO L290 TraceCheckUtils]: 19: Hoare triple {44011#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44012#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:27:14,942 INFO L290 TraceCheckUtils]: 20: Hoare triple {44012#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44013#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:27:14,943 INFO L290 TraceCheckUtils]: 21: Hoare triple {44013#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44014#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:27:14,943 INFO L290 TraceCheckUtils]: 22: Hoare triple {44014#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44015#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:27:14,944 INFO L290 TraceCheckUtils]: 23: Hoare triple {44015#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44016#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:27:14,944 INFO L290 TraceCheckUtils]: 24: Hoare triple {44016#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44017#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:27:14,944 INFO L290 TraceCheckUtils]: 25: Hoare triple {44017#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44018#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:27:14,945 INFO L290 TraceCheckUtils]: 26: Hoare triple {44018#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44019#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:27:14,945 INFO L290 TraceCheckUtils]: 27: Hoare triple {44019#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44020#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 10:27:14,946 INFO L290 TraceCheckUtils]: 28: Hoare triple {44020#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44021#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 10:27:14,946 INFO L290 TraceCheckUtils]: 29: Hoare triple {44021#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44022#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 10:27:14,947 INFO L290 TraceCheckUtils]: 30: Hoare triple {44022#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44023#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 10:27:14,947 INFO L290 TraceCheckUtils]: 31: Hoare triple {44023#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44024#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 10:27:14,948 INFO L290 TraceCheckUtils]: 32: Hoare triple {44024#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44025#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 10:27:14,948 INFO L290 TraceCheckUtils]: 33: Hoare triple {44025#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44026#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 10:27:14,948 INFO L290 TraceCheckUtils]: 34: Hoare triple {44026#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44027#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 10:27:14,949 INFO L290 TraceCheckUtils]: 35: Hoare triple {44027#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44028#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 10:27:14,949 INFO L290 TraceCheckUtils]: 36: Hoare triple {44028#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44029#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 10:27:14,950 INFO L290 TraceCheckUtils]: 37: Hoare triple {44029#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44030#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 10:27:14,950 INFO L290 TraceCheckUtils]: 38: Hoare triple {44030#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44031#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 10:27:14,951 INFO L290 TraceCheckUtils]: 39: Hoare triple {44031#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44032#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 10:27:14,951 INFO L290 TraceCheckUtils]: 40: Hoare triple {44032#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44033#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 10:27:14,952 INFO L290 TraceCheckUtils]: 41: Hoare triple {44033#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44034#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 10:27:14,952 INFO L290 TraceCheckUtils]: 42: Hoare triple {44034#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44035#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 10:27:14,953 INFO L290 TraceCheckUtils]: 43: Hoare triple {44035#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44036#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 10:27:14,953 INFO L290 TraceCheckUtils]: 44: Hoare triple {44036#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44037#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 10:27:14,953 INFO L290 TraceCheckUtils]: 45: Hoare triple {44037#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44038#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 10:27:14,954 INFO L290 TraceCheckUtils]: 46: Hoare triple {44038#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44039#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 10:27:14,954 INFO L290 TraceCheckUtils]: 47: Hoare triple {44039#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44040#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 10:27:14,956 INFO L290 TraceCheckUtils]: 48: Hoare triple {44040#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44041#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 10:27:14,957 INFO L290 TraceCheckUtils]: 49: Hoare triple {44041#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44042#(and (<= 42 main_~z~0) (<= main_~z~0 42))} is VALID [2022-04-28 10:27:14,957 INFO L290 TraceCheckUtils]: 50: Hoare triple {44042#(and (<= 42 main_~z~0) (<= main_~z~0 42))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44043#(and (<= main_~z~0 43) (<= 43 main_~z~0))} is VALID [2022-04-28 10:27:14,958 INFO L290 TraceCheckUtils]: 51: Hoare triple {44043#(and (<= main_~z~0 43) (<= 43 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44044#(and (<= main_~z~0 44) (<= 44 main_~z~0))} is VALID [2022-04-28 10:27:14,958 INFO L290 TraceCheckUtils]: 52: Hoare triple {44044#(and (<= main_~z~0 44) (<= 44 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44045#(and (<= main_~z~0 45) (<= 45 main_~z~0))} is VALID [2022-04-28 10:27:14,959 INFO L290 TraceCheckUtils]: 53: Hoare triple {44045#(and (<= main_~z~0 45) (<= 45 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44046#(and (<= 46 main_~z~0) (<= main_~z~0 46))} is VALID [2022-04-28 10:27:14,959 INFO L290 TraceCheckUtils]: 54: Hoare triple {44046#(and (<= 46 main_~z~0) (<= main_~z~0 46))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44047#(and (<= main_~z~0 47) (<= 47 main_~z~0))} is VALID [2022-04-28 10:27:14,960 INFO L290 TraceCheckUtils]: 55: Hoare triple {44047#(and (<= main_~z~0 47) (<= 47 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44048#(and (<= 48 main_~z~0) (<= main_~z~0 48))} is VALID [2022-04-28 10:27:14,960 INFO L290 TraceCheckUtils]: 56: Hoare triple {44048#(and (<= 48 main_~z~0) (<= main_~z~0 48))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44049#(and (<= 49 main_~z~0) (<= main_~z~0 49))} is VALID [2022-04-28 10:27:14,961 INFO L290 TraceCheckUtils]: 57: Hoare triple {44049#(and (<= 49 main_~z~0) (<= main_~z~0 49))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44050#(and (<= 50 main_~z~0) (<= main_~z~0 50))} is VALID [2022-04-28 10:27:14,961 INFO L290 TraceCheckUtils]: 58: Hoare triple {44050#(and (<= 50 main_~z~0) (<= main_~z~0 50))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44051#(and (<= main_~z~0 51) (<= 51 main_~z~0))} is VALID [2022-04-28 10:27:14,961 INFO L290 TraceCheckUtils]: 59: Hoare triple {44051#(and (<= main_~z~0 51) (<= 51 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44052#(and (<= 52 main_~z~0) (<= main_~z~0 52))} is VALID [2022-04-28 10:27:14,962 INFO L290 TraceCheckUtils]: 60: Hoare triple {44052#(and (<= 52 main_~z~0) (<= main_~z~0 52))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44053#(and (<= 53 main_~z~0) (<= main_~z~0 53))} is VALID [2022-04-28 10:27:14,962 INFO L290 TraceCheckUtils]: 61: Hoare triple {44053#(and (<= 53 main_~z~0) (<= main_~z~0 53))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44054#(and (<= main_~z~0 54) (<= 54 main_~z~0))} is VALID [2022-04-28 10:27:14,963 INFO L290 TraceCheckUtils]: 62: Hoare triple {44054#(and (<= main_~z~0 54) (<= 54 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44055#(and (<= 55 main_~z~0) (<= main_~z~0 55))} is VALID [2022-04-28 10:27:14,963 INFO L290 TraceCheckUtils]: 63: Hoare triple {44055#(and (<= 55 main_~z~0) (<= main_~z~0 55))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44056#(and (<= 56 main_~z~0) (<= main_~z~0 56))} is VALID [2022-04-28 10:27:14,964 INFO L290 TraceCheckUtils]: 64: Hoare triple {44056#(and (<= 56 main_~z~0) (<= main_~z~0 56))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44057#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 57))} is VALID [2022-04-28 10:27:14,964 INFO L290 TraceCheckUtils]: 65: Hoare triple {44057#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 57))} assume !(~z~0 % 4294967296 < 268435455); {43996#false} is VALID [2022-04-28 10:27:14,964 INFO L272 TraceCheckUtils]: 66: Hoare triple {43996#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {43996#false} is VALID [2022-04-28 10:27:14,964 INFO L290 TraceCheckUtils]: 67: Hoare triple {43996#false} ~cond := #in~cond; {43996#false} is VALID [2022-04-28 10:27:14,964 INFO L290 TraceCheckUtils]: 68: Hoare triple {43996#false} assume 0 == ~cond; {43996#false} is VALID [2022-04-28 10:27:14,964 INFO L290 TraceCheckUtils]: 69: Hoare triple {43996#false} assume !false; {43996#false} is VALID [2022-04-28 10:27:14,965 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 0 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:27:14,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 10:27:14,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79862667] [2022-04-28 10:27:14,965 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79862667] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 10:27:14,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [328146506] [2022-04-28 10:27:14,965 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-04-28 10:27:14,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:27:14,965 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 10:27:14,966 INFO L229 MonitoredProcess]: Starting monitored process 58 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 10:27:14,967 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (58)] Waiting until timeout for monitored process [2022-04-28 10:27:32,324 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 30 check-sat command(s) [2022-04-28 10:27:32,324 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 10:27:32,340 WARN L261 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 117 conjunts are in the unsatisfiable core [2022-04-28 10:27:32,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:27:32,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 10:27:32,947 INFO L272 TraceCheckUtils]: 0: Hoare triple {43995#true} call ULTIMATE.init(); {43995#true} is VALID [2022-04-28 10:27:32,948 INFO L290 TraceCheckUtils]: 1: Hoare triple {43995#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {43995#true} is VALID [2022-04-28 10:27:32,948 INFO L290 TraceCheckUtils]: 2: Hoare triple {43995#true} assume true; {43995#true} is VALID [2022-04-28 10:27:32,948 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {43995#true} {43995#true} #63#return; {43995#true} is VALID [2022-04-28 10:27:32,948 INFO L272 TraceCheckUtils]: 4: Hoare triple {43995#true} call #t~ret7 := main(); {43995#true} is VALID [2022-04-28 10:27:32,948 INFO L290 TraceCheckUtils]: 5: Hoare triple {43995#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {43995#true} is VALID [2022-04-28 10:27:32,948 INFO L290 TraceCheckUtils]: 6: Hoare triple {43995#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {43995#true} is VALID [2022-04-28 10:27:32,948 INFO L290 TraceCheckUtils]: 7: Hoare triple {43995#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {44000#(= main_~z~0 0)} is VALID [2022-04-28 10:27:32,949 INFO L290 TraceCheckUtils]: 8: Hoare triple {44000#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44001#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:27:32,949 INFO L290 TraceCheckUtils]: 9: Hoare triple {44001#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44002#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:27:32,949 INFO L290 TraceCheckUtils]: 10: Hoare triple {44002#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44003#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:27:32,950 INFO L290 TraceCheckUtils]: 11: Hoare triple {44003#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44004#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:27:32,950 INFO L290 TraceCheckUtils]: 12: Hoare triple {44004#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44005#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:27:32,951 INFO L290 TraceCheckUtils]: 13: Hoare triple {44005#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44006#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:27:32,951 INFO L290 TraceCheckUtils]: 14: Hoare triple {44006#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44007#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:27:32,952 INFO L290 TraceCheckUtils]: 15: Hoare triple {44007#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44008#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:27:32,952 INFO L290 TraceCheckUtils]: 16: Hoare triple {44008#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44009#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:27:32,953 INFO L290 TraceCheckUtils]: 17: Hoare triple {44009#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44010#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:27:32,953 INFO L290 TraceCheckUtils]: 18: Hoare triple {44010#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44011#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:27:32,954 INFO L290 TraceCheckUtils]: 19: Hoare triple {44011#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44012#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:27:32,954 INFO L290 TraceCheckUtils]: 20: Hoare triple {44012#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44013#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:27:32,954 INFO L290 TraceCheckUtils]: 21: Hoare triple {44013#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44014#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:27:32,955 INFO L290 TraceCheckUtils]: 22: Hoare triple {44014#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44015#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:27:32,955 INFO L290 TraceCheckUtils]: 23: Hoare triple {44015#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44016#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:27:32,956 INFO L290 TraceCheckUtils]: 24: Hoare triple {44016#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44017#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:27:32,956 INFO L290 TraceCheckUtils]: 25: Hoare triple {44017#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44018#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:27:32,957 INFO L290 TraceCheckUtils]: 26: Hoare triple {44018#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44019#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:27:32,957 INFO L290 TraceCheckUtils]: 27: Hoare triple {44019#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44020#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 10:27:32,958 INFO L290 TraceCheckUtils]: 28: Hoare triple {44020#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44021#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 10:27:32,958 INFO L290 TraceCheckUtils]: 29: Hoare triple {44021#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44022#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 10:27:32,959 INFO L290 TraceCheckUtils]: 30: Hoare triple {44022#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44023#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 10:27:32,959 INFO L290 TraceCheckUtils]: 31: Hoare triple {44023#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44024#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 10:27:32,959 INFO L290 TraceCheckUtils]: 32: Hoare triple {44024#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44025#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 10:27:32,960 INFO L290 TraceCheckUtils]: 33: Hoare triple {44025#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44026#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 10:27:32,960 INFO L290 TraceCheckUtils]: 34: Hoare triple {44026#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44027#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 10:27:32,961 INFO L290 TraceCheckUtils]: 35: Hoare triple {44027#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44028#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 10:27:32,961 INFO L290 TraceCheckUtils]: 36: Hoare triple {44028#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44029#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 10:27:32,962 INFO L290 TraceCheckUtils]: 37: Hoare triple {44029#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44030#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 10:27:32,962 INFO L290 TraceCheckUtils]: 38: Hoare triple {44030#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44031#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 10:27:32,963 INFO L290 TraceCheckUtils]: 39: Hoare triple {44031#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44032#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 10:27:32,963 INFO L290 TraceCheckUtils]: 40: Hoare triple {44032#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44033#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 10:27:32,964 INFO L290 TraceCheckUtils]: 41: Hoare triple {44033#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44034#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 10:27:32,964 INFO L290 TraceCheckUtils]: 42: Hoare triple {44034#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44035#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 10:27:32,964 INFO L290 TraceCheckUtils]: 43: Hoare triple {44035#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44036#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 10:27:32,965 INFO L290 TraceCheckUtils]: 44: Hoare triple {44036#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44037#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 10:27:32,965 INFO L290 TraceCheckUtils]: 45: Hoare triple {44037#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44038#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 10:27:32,966 INFO L290 TraceCheckUtils]: 46: Hoare triple {44038#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44039#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 10:27:32,966 INFO L290 TraceCheckUtils]: 47: Hoare triple {44039#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44040#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 10:27:32,967 INFO L290 TraceCheckUtils]: 48: Hoare triple {44040#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44041#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 10:27:32,967 INFO L290 TraceCheckUtils]: 49: Hoare triple {44041#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44042#(and (<= 42 main_~z~0) (<= main_~z~0 42))} is VALID [2022-04-28 10:27:32,968 INFO L290 TraceCheckUtils]: 50: Hoare triple {44042#(and (<= 42 main_~z~0) (<= main_~z~0 42))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44043#(and (<= main_~z~0 43) (<= 43 main_~z~0))} is VALID [2022-04-28 10:27:32,968 INFO L290 TraceCheckUtils]: 51: Hoare triple {44043#(and (<= main_~z~0 43) (<= 43 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44044#(and (<= main_~z~0 44) (<= 44 main_~z~0))} is VALID [2022-04-28 10:27:32,968 INFO L290 TraceCheckUtils]: 52: Hoare triple {44044#(and (<= main_~z~0 44) (<= 44 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44045#(and (<= main_~z~0 45) (<= 45 main_~z~0))} is VALID [2022-04-28 10:27:32,969 INFO L290 TraceCheckUtils]: 53: Hoare triple {44045#(and (<= main_~z~0 45) (<= 45 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44046#(and (<= 46 main_~z~0) (<= main_~z~0 46))} is VALID [2022-04-28 10:27:32,969 INFO L290 TraceCheckUtils]: 54: Hoare triple {44046#(and (<= 46 main_~z~0) (<= main_~z~0 46))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44047#(and (<= main_~z~0 47) (<= 47 main_~z~0))} is VALID [2022-04-28 10:27:32,970 INFO L290 TraceCheckUtils]: 55: Hoare triple {44047#(and (<= main_~z~0 47) (<= 47 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44048#(and (<= 48 main_~z~0) (<= main_~z~0 48))} is VALID [2022-04-28 10:27:32,970 INFO L290 TraceCheckUtils]: 56: Hoare triple {44048#(and (<= 48 main_~z~0) (<= main_~z~0 48))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44049#(and (<= 49 main_~z~0) (<= main_~z~0 49))} is VALID [2022-04-28 10:27:32,971 INFO L290 TraceCheckUtils]: 57: Hoare triple {44049#(and (<= 49 main_~z~0) (<= main_~z~0 49))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44050#(and (<= 50 main_~z~0) (<= main_~z~0 50))} is VALID [2022-04-28 10:27:32,971 INFO L290 TraceCheckUtils]: 58: Hoare triple {44050#(and (<= 50 main_~z~0) (<= main_~z~0 50))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44051#(and (<= main_~z~0 51) (<= 51 main_~z~0))} is VALID [2022-04-28 10:27:32,972 INFO L290 TraceCheckUtils]: 59: Hoare triple {44051#(and (<= main_~z~0 51) (<= 51 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44052#(and (<= 52 main_~z~0) (<= main_~z~0 52))} is VALID [2022-04-28 10:27:32,972 INFO L290 TraceCheckUtils]: 60: Hoare triple {44052#(and (<= 52 main_~z~0) (<= main_~z~0 52))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44053#(and (<= 53 main_~z~0) (<= main_~z~0 53))} is VALID [2022-04-28 10:27:32,972 INFO L290 TraceCheckUtils]: 61: Hoare triple {44053#(and (<= 53 main_~z~0) (<= main_~z~0 53))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44054#(and (<= main_~z~0 54) (<= 54 main_~z~0))} is VALID [2022-04-28 10:27:32,973 INFO L290 TraceCheckUtils]: 62: Hoare triple {44054#(and (<= main_~z~0 54) (<= 54 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44055#(and (<= 55 main_~z~0) (<= main_~z~0 55))} is VALID [2022-04-28 10:27:32,973 INFO L290 TraceCheckUtils]: 63: Hoare triple {44055#(and (<= 55 main_~z~0) (<= main_~z~0 55))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44056#(and (<= 56 main_~z~0) (<= main_~z~0 56))} is VALID [2022-04-28 10:27:32,974 INFO L290 TraceCheckUtils]: 64: Hoare triple {44056#(and (<= 56 main_~z~0) (<= main_~z~0 56))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44254#(and (<= main_~z~0 57) (<= 57 main_~z~0))} is VALID [2022-04-28 10:27:32,974 INFO L290 TraceCheckUtils]: 65: Hoare triple {44254#(and (<= main_~z~0 57) (<= 57 main_~z~0))} assume !(~z~0 % 4294967296 < 268435455); {43996#false} is VALID [2022-04-28 10:27:32,974 INFO L272 TraceCheckUtils]: 66: Hoare triple {43996#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {43996#false} is VALID [2022-04-28 10:27:32,974 INFO L290 TraceCheckUtils]: 67: Hoare triple {43996#false} ~cond := #in~cond; {43996#false} is VALID [2022-04-28 10:27:32,974 INFO L290 TraceCheckUtils]: 68: Hoare triple {43996#false} assume 0 == ~cond; {43996#false} is VALID [2022-04-28 10:27:32,974 INFO L290 TraceCheckUtils]: 69: Hoare triple {43996#false} assume !false; {43996#false} is VALID [2022-04-28 10:27:32,975 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 0 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:27:32,975 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 10:27:37,613 INFO L290 TraceCheckUtils]: 69: Hoare triple {43996#false} assume !false; {43996#false} is VALID [2022-04-28 10:27:37,613 INFO L290 TraceCheckUtils]: 68: Hoare triple {43996#false} assume 0 == ~cond; {43996#false} is VALID [2022-04-28 10:27:37,613 INFO L290 TraceCheckUtils]: 67: Hoare triple {43996#false} ~cond := #in~cond; {43996#false} is VALID [2022-04-28 10:27:37,614 INFO L272 TraceCheckUtils]: 66: Hoare triple {43996#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {43996#false} is VALID [2022-04-28 10:27:37,614 INFO L290 TraceCheckUtils]: 65: Hoare triple {44282#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {43996#false} is VALID [2022-04-28 10:27:37,614 INFO L290 TraceCheckUtils]: 64: Hoare triple {44286#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44282#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 10:27:37,615 INFO L290 TraceCheckUtils]: 63: Hoare triple {44290#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44286#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 10:27:37,618 INFO L290 TraceCheckUtils]: 62: Hoare triple {44294#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44290#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 10:27:37,619 INFO L290 TraceCheckUtils]: 61: Hoare triple {44298#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44294#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 10:27:37,619 INFO L290 TraceCheckUtils]: 60: Hoare triple {44302#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44298#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 10:27:37,620 INFO L290 TraceCheckUtils]: 59: Hoare triple {44306#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44302#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:27:37,620 INFO L290 TraceCheckUtils]: 58: Hoare triple {44310#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44306#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} is VALID [2022-04-28 10:27:37,621 INFO L290 TraceCheckUtils]: 57: Hoare triple {44314#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44310#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:27:37,621 INFO L290 TraceCheckUtils]: 56: Hoare triple {44318#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44314#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} is VALID [2022-04-28 10:27:37,622 INFO L290 TraceCheckUtils]: 55: Hoare triple {44322#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44318#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} is VALID [2022-04-28 10:27:37,623 INFO L290 TraceCheckUtils]: 54: Hoare triple {44326#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44322#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} is VALID [2022-04-28 10:27:37,623 INFO L290 TraceCheckUtils]: 53: Hoare triple {44330#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44326#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} is VALID [2022-04-28 10:27:37,624 INFO L290 TraceCheckUtils]: 52: Hoare triple {44334#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44330#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} is VALID [2022-04-28 10:27:37,625 INFO L290 TraceCheckUtils]: 51: Hoare triple {44338#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44334#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} is VALID [2022-04-28 10:27:37,625 INFO L290 TraceCheckUtils]: 50: Hoare triple {44342#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44338#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} is VALID [2022-04-28 10:27:37,626 INFO L290 TraceCheckUtils]: 49: Hoare triple {44346#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44342#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} is VALID [2022-04-28 10:27:37,627 INFO L290 TraceCheckUtils]: 48: Hoare triple {44350#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44346#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} is VALID [2022-04-28 10:27:37,627 INFO L290 TraceCheckUtils]: 47: Hoare triple {44354#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44350#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} is VALID [2022-04-28 10:27:37,628 INFO L290 TraceCheckUtils]: 46: Hoare triple {44358#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44354#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} is VALID [2022-04-28 10:27:37,628 INFO L290 TraceCheckUtils]: 45: Hoare triple {44362#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44358#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:27:37,629 INFO L290 TraceCheckUtils]: 44: Hoare triple {44366#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44362#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} is VALID [2022-04-28 10:27:37,630 INFO L290 TraceCheckUtils]: 43: Hoare triple {44370#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44366#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} is VALID [2022-04-28 10:27:37,630 INFO L290 TraceCheckUtils]: 42: Hoare triple {44374#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44370#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} is VALID [2022-04-28 10:27:37,631 INFO L290 TraceCheckUtils]: 41: Hoare triple {44378#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44374#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:27:37,632 INFO L290 TraceCheckUtils]: 40: Hoare triple {44382#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44378#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} is VALID [2022-04-28 10:27:37,632 INFO L290 TraceCheckUtils]: 39: Hoare triple {44386#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44382#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} is VALID [2022-04-28 10:27:37,633 INFO L290 TraceCheckUtils]: 38: Hoare triple {44390#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44386#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} is VALID [2022-04-28 10:27:37,634 INFO L290 TraceCheckUtils]: 37: Hoare triple {44394#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44390#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} is VALID [2022-04-28 10:27:37,634 INFO L290 TraceCheckUtils]: 36: Hoare triple {44398#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44394#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} is VALID [2022-04-28 10:27:37,635 INFO L290 TraceCheckUtils]: 35: Hoare triple {44402#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44398#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:27:37,635 INFO L290 TraceCheckUtils]: 34: Hoare triple {44406#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44402#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:27:37,636 INFO L290 TraceCheckUtils]: 33: Hoare triple {44410#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44406#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} is VALID [2022-04-28 10:27:37,636 INFO L290 TraceCheckUtils]: 32: Hoare triple {44414#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44410#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:27:37,637 INFO L290 TraceCheckUtils]: 31: Hoare triple {44418#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44414#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} is VALID [2022-04-28 10:27:37,638 INFO L290 TraceCheckUtils]: 30: Hoare triple {44422#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44418#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} is VALID [2022-04-28 10:27:37,638 INFO L290 TraceCheckUtils]: 29: Hoare triple {44426#(< (mod (+ main_~z~0 36) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44422#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:27:37,639 INFO L290 TraceCheckUtils]: 28: Hoare triple {44430#(< (mod (+ main_~z~0 37) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44426#(< (mod (+ main_~z~0 36) 4294967296) 268435455)} is VALID [2022-04-28 10:27:37,639 INFO L290 TraceCheckUtils]: 27: Hoare triple {44434#(< (mod (+ main_~z~0 38) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44430#(< (mod (+ main_~z~0 37) 4294967296) 268435455)} is VALID [2022-04-28 10:27:37,640 INFO L290 TraceCheckUtils]: 26: Hoare triple {44438#(< (mod (+ main_~z~0 39) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44434#(< (mod (+ main_~z~0 38) 4294967296) 268435455)} is VALID [2022-04-28 10:27:37,640 INFO L290 TraceCheckUtils]: 25: Hoare triple {44442#(< (mod (+ 40 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44438#(< (mod (+ main_~z~0 39) 4294967296) 268435455)} is VALID [2022-04-28 10:27:37,641 INFO L290 TraceCheckUtils]: 24: Hoare triple {44446#(< (mod (+ 41 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44442#(< (mod (+ 40 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:27:37,641 INFO L290 TraceCheckUtils]: 23: Hoare triple {44450#(< (mod (+ 42 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44446#(< (mod (+ 41 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:27:37,642 INFO L290 TraceCheckUtils]: 22: Hoare triple {44454#(< (mod (+ main_~z~0 43) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44450#(< (mod (+ 42 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:27:37,642 INFO L290 TraceCheckUtils]: 21: Hoare triple {44458#(< (mod (+ 44 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44454#(< (mod (+ main_~z~0 43) 4294967296) 268435455)} is VALID [2022-04-28 10:27:37,643 INFO L290 TraceCheckUtils]: 20: Hoare triple {44462#(< (mod (+ main_~z~0 45) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44458#(< (mod (+ 44 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:27:37,644 INFO L290 TraceCheckUtils]: 19: Hoare triple {44466#(< (mod (+ main_~z~0 46) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44462#(< (mod (+ main_~z~0 45) 4294967296) 268435455)} is VALID [2022-04-28 10:27:37,644 INFO L290 TraceCheckUtils]: 18: Hoare triple {44470#(< (mod (+ main_~z~0 47) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44466#(< (mod (+ main_~z~0 46) 4294967296) 268435455)} is VALID [2022-04-28 10:27:37,645 INFO L290 TraceCheckUtils]: 17: Hoare triple {44474#(< (mod (+ main_~z~0 48) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44470#(< (mod (+ main_~z~0 47) 4294967296) 268435455)} is VALID [2022-04-28 10:27:37,645 INFO L290 TraceCheckUtils]: 16: Hoare triple {44478#(< (mod (+ 49 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44474#(< (mod (+ main_~z~0 48) 4294967296) 268435455)} is VALID [2022-04-28 10:27:37,646 INFO L290 TraceCheckUtils]: 15: Hoare triple {44482#(< (mod (+ main_~z~0 50) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44478#(< (mod (+ 49 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:27:37,646 INFO L290 TraceCheckUtils]: 14: Hoare triple {44486#(< (mod (+ 51 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44482#(< (mod (+ main_~z~0 50) 4294967296) 268435455)} is VALID [2022-04-28 10:27:37,647 INFO L290 TraceCheckUtils]: 13: Hoare triple {44490#(< (mod (+ main_~z~0 52) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44486#(< (mod (+ 51 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:27:37,647 INFO L290 TraceCheckUtils]: 12: Hoare triple {44494#(< (mod (+ 53 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44490#(< (mod (+ main_~z~0 52) 4294967296) 268435455)} is VALID [2022-04-28 10:27:37,648 INFO L290 TraceCheckUtils]: 11: Hoare triple {44498#(< (mod (+ main_~z~0 54) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44494#(< (mod (+ 53 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:27:37,649 INFO L290 TraceCheckUtils]: 10: Hoare triple {44502#(< (mod (+ main_~z~0 55) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44498#(< (mod (+ main_~z~0 54) 4294967296) 268435455)} is VALID [2022-04-28 10:27:37,649 INFO L290 TraceCheckUtils]: 9: Hoare triple {44506#(< (mod (+ 56 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44502#(< (mod (+ main_~z~0 55) 4294967296) 268435455)} is VALID [2022-04-28 10:27:37,650 INFO L290 TraceCheckUtils]: 8: Hoare triple {44510#(< (mod (+ 57 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {44506#(< (mod (+ 56 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:27:37,650 INFO L290 TraceCheckUtils]: 7: Hoare triple {43995#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {44510#(< (mod (+ 57 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:27:37,650 INFO L290 TraceCheckUtils]: 6: Hoare triple {43995#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {43995#true} is VALID [2022-04-28 10:27:37,650 INFO L290 TraceCheckUtils]: 5: Hoare triple {43995#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {43995#true} is VALID [2022-04-28 10:27:37,650 INFO L272 TraceCheckUtils]: 4: Hoare triple {43995#true} call #t~ret7 := main(); {43995#true} is VALID [2022-04-28 10:27:37,650 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {43995#true} {43995#true} #63#return; {43995#true} is VALID [2022-04-28 10:27:37,650 INFO L290 TraceCheckUtils]: 2: Hoare triple {43995#true} assume true; {43995#true} is VALID [2022-04-28 10:27:37,650 INFO L290 TraceCheckUtils]: 1: Hoare triple {43995#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {43995#true} is VALID [2022-04-28 10:27:37,651 INFO L272 TraceCheckUtils]: 0: Hoare triple {43995#true} call ULTIMATE.init(); {43995#true} is VALID [2022-04-28 10:27:37,651 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 0 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:27:37,651 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [328146506] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 10:27:37,651 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 10:27:37,651 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [61, 60, 60] total 120 [2022-04-28 10:27:37,651 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 10:27:37,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1869080233] [2022-04-28 10:27:37,651 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1869080233] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 10:27:37,651 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 10:27:37,652 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [61] imperfect sequences [] total 61 [2022-04-28 10:27:37,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541712230] [2022-04-28 10:27:37,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 10:27:37,652 INFO L78 Accepts]: Start accepts. Automaton has has 61 states, 61 states have (on average 1.0819672131147542) internal successors, (66), 60 states have internal predecessors, (66), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 70 [2022-04-28 10:27:37,652 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 10:27:37,652 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 61 states, 61 states have (on average 1.0819672131147542) internal successors, (66), 60 states have internal predecessors, (66), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:27:37,686 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 70 edges. 70 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:27:37,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2022-04-28 10:27:37,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 10:27:37,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2022-04-28 10:27:37,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3717, Invalid=10563, Unknown=0, NotChecked=0, Total=14280 [2022-04-28 10:27:37,687 INFO L87 Difference]: Start difference. First operand 79 states and 83 transitions. Second operand has 61 states, 61 states have (on average 1.0819672131147542) internal successors, (66), 60 states have internal predecessors, (66), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:27:44,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:27:44,015 INFO L93 Difference]: Finished difference Result 153 states and 162 transitions. [2022-04-28 10:27:44,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-04-28 10:27:44,016 INFO L78 Accepts]: Start accepts. Automaton has has 61 states, 61 states have (on average 1.0819672131147542) internal successors, (66), 60 states have internal predecessors, (66), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 70 [2022-04-28 10:27:44,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 10:27:44,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 61 states have (on average 1.0819672131147542) internal successors, (66), 60 states have internal predecessors, (66), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:27:44,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 103 transitions. [2022-04-28 10:27:44,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 61 states have (on average 1.0819672131147542) internal successors, (66), 60 states have internal predecessors, (66), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:27:44,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 103 transitions. [2022-04-28 10:27:44,017 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 61 states and 103 transitions. [2022-04-28 10:27:44,078 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 103 edges. 103 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:27:44,078 INFO L225 Difference]: With dead ends: 153 [2022-04-28 10:27:44,078 INFO L226 Difference]: Without dead ends: 81 [2022-04-28 10:27:44,080 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 84 SyntacticMatches, 1 SemanticMatches, 176 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1773 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=7427, Invalid=24079, Unknown=0, NotChecked=0, Total=31506 [2022-04-28 10:27:44,080 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 17 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 3709 mSolverCounterSat, 121 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 3830 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 121 IncrementalHoareTripleChecker+Valid, 3709 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-04-28 10:27:44,080 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 118 Invalid, 3830 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [121 Valid, 3709 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-04-28 10:27:44,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2022-04-28 10:27:44,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 80. [2022-04-28 10:27:44,151 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 10:27:44,151 INFO L82 GeneralOperation]: Start isEquivalent. First operand 81 states. Second operand has 80 states, 72 states have (on average 1.0555555555555556) internal successors, (76), 73 states have internal predecessors, (76), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:27:44,151 INFO L74 IsIncluded]: Start isIncluded. First operand 81 states. Second operand has 80 states, 72 states have (on average 1.0555555555555556) internal successors, (76), 73 states have internal predecessors, (76), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:27:44,151 INFO L87 Difference]: Start difference. First operand 81 states. Second operand has 80 states, 72 states have (on average 1.0555555555555556) internal successors, (76), 73 states have internal predecessors, (76), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:27:44,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:27:44,152 INFO L93 Difference]: Finished difference Result 81 states and 85 transitions. [2022-04-28 10:27:44,152 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 85 transitions. [2022-04-28 10:27:44,152 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:27:44,152 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:27:44,152 INFO L74 IsIncluded]: Start isIncluded. First operand has 80 states, 72 states have (on average 1.0555555555555556) internal successors, (76), 73 states have internal predecessors, (76), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 81 states. [2022-04-28 10:27:44,152 INFO L87 Difference]: Start difference. First operand has 80 states, 72 states have (on average 1.0555555555555556) internal successors, (76), 73 states have internal predecessors, (76), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 81 states. [2022-04-28 10:27:44,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:27:44,153 INFO L93 Difference]: Finished difference Result 81 states and 85 transitions. [2022-04-28 10:27:44,153 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 85 transitions. [2022-04-28 10:27:44,153 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:27:44,153 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:27:44,153 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 10:27:44,153 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 10:27:44,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 72 states have (on average 1.0555555555555556) internal successors, (76), 73 states have internal predecessors, (76), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:27:44,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 84 transitions. [2022-04-28 10:27:44,154 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 84 transitions. Word has length 70 [2022-04-28 10:27:44,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 10:27:44,154 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 84 transitions. [2022-04-28 10:27:44,154 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 61 states have (on average 1.0819672131147542) internal successors, (66), 60 states have internal predecessors, (66), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:27:44,154 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 80 states and 84 transitions. [2022-04-28 10:27:44,223 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 84 edges. 84 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:27:44,223 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 84 transitions. [2022-04-28 10:27:44,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-04-28 10:27:44,223 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 10:27:44,224 INFO L195 NwaCegarLoop]: trace histogram [58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 10:27:44,230 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (58)] Ended with exit code 0 [2022-04-28 10:27:44,424 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,58 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:27:44,424 INFO L420 AbstractCegarLoop]: === Iteration 62 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 10:27:44,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 10:27:44,424 INFO L85 PathProgramCache]: Analyzing trace with hash 708106050, now seen corresponding path program 115 times [2022-04-28 10:27:44,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 10:27:44,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [76560090] [2022-04-28 10:27:44,426 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-28 10:27:44,426 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-28 10:27:44,426 INFO L85 PathProgramCache]: Analyzing trace with hash 708106050, now seen corresponding path program 116 times [2022-04-28 10:27:44,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 10:27:44,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273168764] [2022-04-28 10:27:44,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 10:27:44,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 10:27:44,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:27:46,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 10:27:46,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:27:46,029 INFO L290 TraceCheckUtils]: 0: Hoare triple {45346#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {45282#true} is VALID [2022-04-28 10:27:46,029 INFO L290 TraceCheckUtils]: 1: Hoare triple {45282#true} assume true; {45282#true} is VALID [2022-04-28 10:27:46,030 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {45282#true} {45282#true} #63#return; {45282#true} is VALID [2022-04-28 10:27:46,030 INFO L272 TraceCheckUtils]: 0: Hoare triple {45282#true} call ULTIMATE.init(); {45346#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 10:27:46,030 INFO L290 TraceCheckUtils]: 1: Hoare triple {45346#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {45282#true} is VALID [2022-04-28 10:27:46,030 INFO L290 TraceCheckUtils]: 2: Hoare triple {45282#true} assume true; {45282#true} is VALID [2022-04-28 10:27:46,030 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {45282#true} {45282#true} #63#return; {45282#true} is VALID [2022-04-28 10:27:46,030 INFO L272 TraceCheckUtils]: 4: Hoare triple {45282#true} call #t~ret7 := main(); {45282#true} is VALID [2022-04-28 10:27:46,030 INFO L290 TraceCheckUtils]: 5: Hoare triple {45282#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {45282#true} is VALID [2022-04-28 10:27:46,030 INFO L290 TraceCheckUtils]: 6: Hoare triple {45282#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {45282#true} is VALID [2022-04-28 10:27:46,031 INFO L290 TraceCheckUtils]: 7: Hoare triple {45282#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {45287#(= main_~z~0 0)} is VALID [2022-04-28 10:27:46,031 INFO L290 TraceCheckUtils]: 8: Hoare triple {45287#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45288#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:27:46,031 INFO L290 TraceCheckUtils]: 9: Hoare triple {45288#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45289#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:27:46,032 INFO L290 TraceCheckUtils]: 10: Hoare triple {45289#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45290#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:27:46,032 INFO L290 TraceCheckUtils]: 11: Hoare triple {45290#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45291#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:27:46,033 INFO L290 TraceCheckUtils]: 12: Hoare triple {45291#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45292#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:27:46,033 INFO L290 TraceCheckUtils]: 13: Hoare triple {45292#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45293#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:27:46,034 INFO L290 TraceCheckUtils]: 14: Hoare triple {45293#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45294#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:27:46,034 INFO L290 TraceCheckUtils]: 15: Hoare triple {45294#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45295#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:27:46,035 INFO L290 TraceCheckUtils]: 16: Hoare triple {45295#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45296#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:27:46,035 INFO L290 TraceCheckUtils]: 17: Hoare triple {45296#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45297#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:27:46,036 INFO L290 TraceCheckUtils]: 18: Hoare triple {45297#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45298#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:27:46,036 INFO L290 TraceCheckUtils]: 19: Hoare triple {45298#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45299#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:27:46,036 INFO L290 TraceCheckUtils]: 20: Hoare triple {45299#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45300#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:27:46,037 INFO L290 TraceCheckUtils]: 21: Hoare triple {45300#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45301#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:27:46,037 INFO L290 TraceCheckUtils]: 22: Hoare triple {45301#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45302#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:27:46,038 INFO L290 TraceCheckUtils]: 23: Hoare triple {45302#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45303#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:27:46,038 INFO L290 TraceCheckUtils]: 24: Hoare triple {45303#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45304#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:27:46,039 INFO L290 TraceCheckUtils]: 25: Hoare triple {45304#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45305#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:27:46,039 INFO L290 TraceCheckUtils]: 26: Hoare triple {45305#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45306#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:27:46,040 INFO L290 TraceCheckUtils]: 27: Hoare triple {45306#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45307#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 10:27:46,040 INFO L290 TraceCheckUtils]: 28: Hoare triple {45307#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45308#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 10:27:46,040 INFO L290 TraceCheckUtils]: 29: Hoare triple {45308#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45309#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 10:27:46,041 INFO L290 TraceCheckUtils]: 30: Hoare triple {45309#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45310#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 10:27:46,041 INFO L290 TraceCheckUtils]: 31: Hoare triple {45310#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45311#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 10:27:46,042 INFO L290 TraceCheckUtils]: 32: Hoare triple {45311#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45312#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 10:27:46,042 INFO L290 TraceCheckUtils]: 33: Hoare triple {45312#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45313#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 10:27:46,043 INFO L290 TraceCheckUtils]: 34: Hoare triple {45313#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45314#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 10:27:46,043 INFO L290 TraceCheckUtils]: 35: Hoare triple {45314#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45315#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 10:27:46,044 INFO L290 TraceCheckUtils]: 36: Hoare triple {45315#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45316#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 10:27:46,044 INFO L290 TraceCheckUtils]: 37: Hoare triple {45316#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45317#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 10:27:46,045 INFO L290 TraceCheckUtils]: 38: Hoare triple {45317#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45318#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 10:27:46,045 INFO L290 TraceCheckUtils]: 39: Hoare triple {45318#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45319#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 10:27:46,045 INFO L290 TraceCheckUtils]: 40: Hoare triple {45319#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45320#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 10:27:46,046 INFO L290 TraceCheckUtils]: 41: Hoare triple {45320#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45321#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 10:27:46,046 INFO L290 TraceCheckUtils]: 42: Hoare triple {45321#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45322#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 10:27:46,047 INFO L290 TraceCheckUtils]: 43: Hoare triple {45322#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45323#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 10:27:46,047 INFO L290 TraceCheckUtils]: 44: Hoare triple {45323#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45324#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 10:27:46,048 INFO L290 TraceCheckUtils]: 45: Hoare triple {45324#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45325#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 10:27:46,048 INFO L290 TraceCheckUtils]: 46: Hoare triple {45325#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45326#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 10:27:46,049 INFO L290 TraceCheckUtils]: 47: Hoare triple {45326#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45327#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 10:27:46,049 INFO L290 TraceCheckUtils]: 48: Hoare triple {45327#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45328#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 10:27:46,049 INFO L290 TraceCheckUtils]: 49: Hoare triple {45328#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45329#(and (<= 42 main_~z~0) (<= main_~z~0 42))} is VALID [2022-04-28 10:27:46,050 INFO L290 TraceCheckUtils]: 50: Hoare triple {45329#(and (<= 42 main_~z~0) (<= main_~z~0 42))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45330#(and (<= main_~z~0 43) (<= 43 main_~z~0))} is VALID [2022-04-28 10:27:46,050 INFO L290 TraceCheckUtils]: 51: Hoare triple {45330#(and (<= main_~z~0 43) (<= 43 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45331#(and (<= main_~z~0 44) (<= 44 main_~z~0))} is VALID [2022-04-28 10:27:46,051 INFO L290 TraceCheckUtils]: 52: Hoare triple {45331#(and (<= main_~z~0 44) (<= 44 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45332#(and (<= main_~z~0 45) (<= 45 main_~z~0))} is VALID [2022-04-28 10:27:46,051 INFO L290 TraceCheckUtils]: 53: Hoare triple {45332#(and (<= main_~z~0 45) (<= 45 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45333#(and (<= 46 main_~z~0) (<= main_~z~0 46))} is VALID [2022-04-28 10:27:46,052 INFO L290 TraceCheckUtils]: 54: Hoare triple {45333#(and (<= 46 main_~z~0) (<= main_~z~0 46))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45334#(and (<= main_~z~0 47) (<= 47 main_~z~0))} is VALID [2022-04-28 10:27:46,052 INFO L290 TraceCheckUtils]: 55: Hoare triple {45334#(and (<= main_~z~0 47) (<= 47 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45335#(and (<= 48 main_~z~0) (<= main_~z~0 48))} is VALID [2022-04-28 10:27:46,053 INFO L290 TraceCheckUtils]: 56: Hoare triple {45335#(and (<= 48 main_~z~0) (<= main_~z~0 48))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45336#(and (<= 49 main_~z~0) (<= main_~z~0 49))} is VALID [2022-04-28 10:27:46,053 INFO L290 TraceCheckUtils]: 57: Hoare triple {45336#(and (<= 49 main_~z~0) (<= main_~z~0 49))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45337#(and (<= 50 main_~z~0) (<= main_~z~0 50))} is VALID [2022-04-28 10:27:46,054 INFO L290 TraceCheckUtils]: 58: Hoare triple {45337#(and (<= 50 main_~z~0) (<= main_~z~0 50))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45338#(and (<= main_~z~0 51) (<= 51 main_~z~0))} is VALID [2022-04-28 10:27:46,054 INFO L290 TraceCheckUtils]: 59: Hoare triple {45338#(and (<= main_~z~0 51) (<= 51 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45339#(and (<= 52 main_~z~0) (<= main_~z~0 52))} is VALID [2022-04-28 10:27:46,054 INFO L290 TraceCheckUtils]: 60: Hoare triple {45339#(and (<= 52 main_~z~0) (<= main_~z~0 52))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45340#(and (<= 53 main_~z~0) (<= main_~z~0 53))} is VALID [2022-04-28 10:27:46,055 INFO L290 TraceCheckUtils]: 61: Hoare triple {45340#(and (<= 53 main_~z~0) (<= main_~z~0 53))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45341#(and (<= main_~z~0 54) (<= 54 main_~z~0))} is VALID [2022-04-28 10:27:46,055 INFO L290 TraceCheckUtils]: 62: Hoare triple {45341#(and (<= main_~z~0 54) (<= 54 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45342#(and (<= 55 main_~z~0) (<= main_~z~0 55))} is VALID [2022-04-28 10:27:46,056 INFO L290 TraceCheckUtils]: 63: Hoare triple {45342#(and (<= 55 main_~z~0) (<= main_~z~0 55))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45343#(and (<= 56 main_~z~0) (<= main_~z~0 56))} is VALID [2022-04-28 10:27:46,056 INFO L290 TraceCheckUtils]: 64: Hoare triple {45343#(and (<= 56 main_~z~0) (<= main_~z~0 56))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45344#(and (<= main_~z~0 57) (<= 57 main_~z~0))} is VALID [2022-04-28 10:27:46,057 INFO L290 TraceCheckUtils]: 65: Hoare triple {45344#(and (<= main_~z~0 57) (<= 57 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45345#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 58))} is VALID [2022-04-28 10:27:46,057 INFO L290 TraceCheckUtils]: 66: Hoare triple {45345#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 58))} assume !(~z~0 % 4294967296 < 268435455); {45283#false} is VALID [2022-04-28 10:27:46,057 INFO L272 TraceCheckUtils]: 67: Hoare triple {45283#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {45283#false} is VALID [2022-04-28 10:27:46,057 INFO L290 TraceCheckUtils]: 68: Hoare triple {45283#false} ~cond := #in~cond; {45283#false} is VALID [2022-04-28 10:27:46,057 INFO L290 TraceCheckUtils]: 69: Hoare triple {45283#false} assume 0 == ~cond; {45283#false} is VALID [2022-04-28 10:27:46,057 INFO L290 TraceCheckUtils]: 70: Hoare triple {45283#false} assume !false; {45283#false} is VALID [2022-04-28 10:27:46,058 INFO L134 CoverageAnalysis]: Checked inductivity of 1711 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:27:46,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 10:27:46,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273168764] [2022-04-28 10:27:46,058 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273168764] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 10:27:46,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1862210964] [2022-04-28 10:27:46,058 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-28 10:27:46,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:27:46,058 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 10:27:46,059 INFO L229 MonitoredProcess]: Starting monitored process 59 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 10:27:46,060 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (59)] Waiting until timeout for monitored process [2022-04-28 10:27:46,209 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-28 10:27:46,210 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 10:27:46,211 WARN L261 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 119 conjunts are in the unsatisfiable core [2022-04-28 10:27:46,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:27:46,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 10:27:46,895 INFO L272 TraceCheckUtils]: 0: Hoare triple {45282#true} call ULTIMATE.init(); {45282#true} is VALID [2022-04-28 10:27:46,895 INFO L290 TraceCheckUtils]: 1: Hoare triple {45282#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {45282#true} is VALID [2022-04-28 10:27:46,895 INFO L290 TraceCheckUtils]: 2: Hoare triple {45282#true} assume true; {45282#true} is VALID [2022-04-28 10:27:46,895 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {45282#true} {45282#true} #63#return; {45282#true} is VALID [2022-04-28 10:27:46,895 INFO L272 TraceCheckUtils]: 4: Hoare triple {45282#true} call #t~ret7 := main(); {45282#true} is VALID [2022-04-28 10:27:46,895 INFO L290 TraceCheckUtils]: 5: Hoare triple {45282#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {45282#true} is VALID [2022-04-28 10:27:46,895 INFO L290 TraceCheckUtils]: 6: Hoare triple {45282#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {45282#true} is VALID [2022-04-28 10:27:46,896 INFO L290 TraceCheckUtils]: 7: Hoare triple {45282#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {45287#(= main_~z~0 0)} is VALID [2022-04-28 10:27:46,896 INFO L290 TraceCheckUtils]: 8: Hoare triple {45287#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45288#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:27:46,896 INFO L290 TraceCheckUtils]: 9: Hoare triple {45288#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45289#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:27:46,897 INFO L290 TraceCheckUtils]: 10: Hoare triple {45289#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45290#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:27:46,897 INFO L290 TraceCheckUtils]: 11: Hoare triple {45290#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45291#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:27:46,898 INFO L290 TraceCheckUtils]: 12: Hoare triple {45291#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45292#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:27:46,898 INFO L290 TraceCheckUtils]: 13: Hoare triple {45292#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45293#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:27:46,899 INFO L290 TraceCheckUtils]: 14: Hoare triple {45293#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45294#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:27:46,899 INFO L290 TraceCheckUtils]: 15: Hoare triple {45294#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45295#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:27:46,900 INFO L290 TraceCheckUtils]: 16: Hoare triple {45295#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45296#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:27:46,900 INFO L290 TraceCheckUtils]: 17: Hoare triple {45296#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45297#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:27:46,900 INFO L290 TraceCheckUtils]: 18: Hoare triple {45297#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45298#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:27:46,901 INFO L290 TraceCheckUtils]: 19: Hoare triple {45298#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45299#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:27:46,901 INFO L290 TraceCheckUtils]: 20: Hoare triple {45299#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45300#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:27:46,902 INFO L290 TraceCheckUtils]: 21: Hoare triple {45300#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45301#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:27:46,902 INFO L290 TraceCheckUtils]: 22: Hoare triple {45301#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45302#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:27:46,903 INFO L290 TraceCheckUtils]: 23: Hoare triple {45302#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45303#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:27:46,903 INFO L290 TraceCheckUtils]: 24: Hoare triple {45303#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45304#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:27:46,904 INFO L290 TraceCheckUtils]: 25: Hoare triple {45304#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45305#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:27:46,904 INFO L290 TraceCheckUtils]: 26: Hoare triple {45305#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45306#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:27:46,904 INFO L290 TraceCheckUtils]: 27: Hoare triple {45306#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45307#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 10:27:46,905 INFO L290 TraceCheckUtils]: 28: Hoare triple {45307#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45308#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 10:27:46,905 INFO L290 TraceCheckUtils]: 29: Hoare triple {45308#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45309#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 10:27:46,906 INFO L290 TraceCheckUtils]: 30: Hoare triple {45309#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45310#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 10:27:46,906 INFO L290 TraceCheckUtils]: 31: Hoare triple {45310#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45311#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 10:27:46,907 INFO L290 TraceCheckUtils]: 32: Hoare triple {45311#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45312#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 10:27:46,907 INFO L290 TraceCheckUtils]: 33: Hoare triple {45312#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45313#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 10:27:46,908 INFO L290 TraceCheckUtils]: 34: Hoare triple {45313#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45314#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 10:27:46,908 INFO L290 TraceCheckUtils]: 35: Hoare triple {45314#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45315#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 10:27:46,909 INFO L290 TraceCheckUtils]: 36: Hoare triple {45315#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45316#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 10:27:46,909 INFO L290 TraceCheckUtils]: 37: Hoare triple {45316#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45317#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 10:27:46,909 INFO L290 TraceCheckUtils]: 38: Hoare triple {45317#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45318#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 10:27:46,910 INFO L290 TraceCheckUtils]: 39: Hoare triple {45318#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45319#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 10:27:46,910 INFO L290 TraceCheckUtils]: 40: Hoare triple {45319#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45320#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 10:27:46,911 INFO L290 TraceCheckUtils]: 41: Hoare triple {45320#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45321#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 10:27:46,911 INFO L290 TraceCheckUtils]: 42: Hoare triple {45321#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45322#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 10:27:46,912 INFO L290 TraceCheckUtils]: 43: Hoare triple {45322#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45323#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 10:27:46,912 INFO L290 TraceCheckUtils]: 44: Hoare triple {45323#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45324#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 10:27:46,913 INFO L290 TraceCheckUtils]: 45: Hoare triple {45324#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45325#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 10:27:46,913 INFO L290 TraceCheckUtils]: 46: Hoare triple {45325#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45326#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 10:27:46,913 INFO L290 TraceCheckUtils]: 47: Hoare triple {45326#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45327#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 10:27:46,914 INFO L290 TraceCheckUtils]: 48: Hoare triple {45327#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45328#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 10:27:46,914 INFO L290 TraceCheckUtils]: 49: Hoare triple {45328#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45329#(and (<= 42 main_~z~0) (<= main_~z~0 42))} is VALID [2022-04-28 10:27:46,915 INFO L290 TraceCheckUtils]: 50: Hoare triple {45329#(and (<= 42 main_~z~0) (<= main_~z~0 42))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45330#(and (<= main_~z~0 43) (<= 43 main_~z~0))} is VALID [2022-04-28 10:27:46,915 INFO L290 TraceCheckUtils]: 51: Hoare triple {45330#(and (<= main_~z~0 43) (<= 43 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45331#(and (<= main_~z~0 44) (<= 44 main_~z~0))} is VALID [2022-04-28 10:27:46,916 INFO L290 TraceCheckUtils]: 52: Hoare triple {45331#(and (<= main_~z~0 44) (<= 44 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45332#(and (<= main_~z~0 45) (<= 45 main_~z~0))} is VALID [2022-04-28 10:27:46,916 INFO L290 TraceCheckUtils]: 53: Hoare triple {45332#(and (<= main_~z~0 45) (<= 45 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45333#(and (<= 46 main_~z~0) (<= main_~z~0 46))} is VALID [2022-04-28 10:27:46,917 INFO L290 TraceCheckUtils]: 54: Hoare triple {45333#(and (<= 46 main_~z~0) (<= main_~z~0 46))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45334#(and (<= main_~z~0 47) (<= 47 main_~z~0))} is VALID [2022-04-28 10:27:46,917 INFO L290 TraceCheckUtils]: 55: Hoare triple {45334#(and (<= main_~z~0 47) (<= 47 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45335#(and (<= 48 main_~z~0) (<= main_~z~0 48))} is VALID [2022-04-28 10:27:46,917 INFO L290 TraceCheckUtils]: 56: Hoare triple {45335#(and (<= 48 main_~z~0) (<= main_~z~0 48))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45336#(and (<= 49 main_~z~0) (<= main_~z~0 49))} is VALID [2022-04-28 10:27:46,918 INFO L290 TraceCheckUtils]: 57: Hoare triple {45336#(and (<= 49 main_~z~0) (<= main_~z~0 49))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45337#(and (<= 50 main_~z~0) (<= main_~z~0 50))} is VALID [2022-04-28 10:27:46,918 INFO L290 TraceCheckUtils]: 58: Hoare triple {45337#(and (<= 50 main_~z~0) (<= main_~z~0 50))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45338#(and (<= main_~z~0 51) (<= 51 main_~z~0))} is VALID [2022-04-28 10:27:46,919 INFO L290 TraceCheckUtils]: 59: Hoare triple {45338#(and (<= main_~z~0 51) (<= 51 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45339#(and (<= 52 main_~z~0) (<= main_~z~0 52))} is VALID [2022-04-28 10:27:46,919 INFO L290 TraceCheckUtils]: 60: Hoare triple {45339#(and (<= 52 main_~z~0) (<= main_~z~0 52))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45340#(and (<= 53 main_~z~0) (<= main_~z~0 53))} is VALID [2022-04-28 10:27:46,920 INFO L290 TraceCheckUtils]: 61: Hoare triple {45340#(and (<= 53 main_~z~0) (<= main_~z~0 53))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45341#(and (<= main_~z~0 54) (<= 54 main_~z~0))} is VALID [2022-04-28 10:27:46,920 INFO L290 TraceCheckUtils]: 62: Hoare triple {45341#(and (<= main_~z~0 54) (<= 54 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45342#(and (<= 55 main_~z~0) (<= main_~z~0 55))} is VALID [2022-04-28 10:27:46,921 INFO L290 TraceCheckUtils]: 63: Hoare triple {45342#(and (<= 55 main_~z~0) (<= main_~z~0 55))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45343#(and (<= 56 main_~z~0) (<= main_~z~0 56))} is VALID [2022-04-28 10:27:46,921 INFO L290 TraceCheckUtils]: 64: Hoare triple {45343#(and (<= 56 main_~z~0) (<= main_~z~0 56))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45344#(and (<= main_~z~0 57) (<= 57 main_~z~0))} is VALID [2022-04-28 10:27:46,922 INFO L290 TraceCheckUtils]: 65: Hoare triple {45344#(and (<= main_~z~0 57) (<= 57 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45545#(and (<= 58 main_~z~0) (<= main_~z~0 58))} is VALID [2022-04-28 10:27:46,922 INFO L290 TraceCheckUtils]: 66: Hoare triple {45545#(and (<= 58 main_~z~0) (<= main_~z~0 58))} assume !(~z~0 % 4294967296 < 268435455); {45283#false} is VALID [2022-04-28 10:27:46,922 INFO L272 TraceCheckUtils]: 67: Hoare triple {45283#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {45283#false} is VALID [2022-04-28 10:27:46,922 INFO L290 TraceCheckUtils]: 68: Hoare triple {45283#false} ~cond := #in~cond; {45283#false} is VALID [2022-04-28 10:27:46,922 INFO L290 TraceCheckUtils]: 69: Hoare triple {45283#false} assume 0 == ~cond; {45283#false} is VALID [2022-04-28 10:27:46,922 INFO L290 TraceCheckUtils]: 70: Hoare triple {45283#false} assume !false; {45283#false} is VALID [2022-04-28 10:27:46,923 INFO L134 CoverageAnalysis]: Checked inductivity of 1711 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:27:46,923 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 10:27:51,823 INFO L290 TraceCheckUtils]: 70: Hoare triple {45283#false} assume !false; {45283#false} is VALID [2022-04-28 10:27:51,823 INFO L290 TraceCheckUtils]: 69: Hoare triple {45283#false} assume 0 == ~cond; {45283#false} is VALID [2022-04-28 10:27:51,823 INFO L290 TraceCheckUtils]: 68: Hoare triple {45283#false} ~cond := #in~cond; {45283#false} is VALID [2022-04-28 10:27:51,823 INFO L272 TraceCheckUtils]: 67: Hoare triple {45283#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {45283#false} is VALID [2022-04-28 10:27:51,824 INFO L290 TraceCheckUtils]: 66: Hoare triple {45573#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {45283#false} is VALID [2022-04-28 10:27:51,824 INFO L290 TraceCheckUtils]: 65: Hoare triple {45577#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45573#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 10:27:51,825 INFO L290 TraceCheckUtils]: 64: Hoare triple {45581#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45577#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 10:27:51,825 INFO L290 TraceCheckUtils]: 63: Hoare triple {45585#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45581#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 10:27:51,826 INFO L290 TraceCheckUtils]: 62: Hoare triple {45589#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45585#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 10:27:51,826 INFO L290 TraceCheckUtils]: 61: Hoare triple {45593#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45589#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 10:27:51,827 INFO L290 TraceCheckUtils]: 60: Hoare triple {45597#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45593#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:27:51,828 INFO L290 TraceCheckUtils]: 59: Hoare triple {45601#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45597#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} is VALID [2022-04-28 10:27:51,828 INFO L290 TraceCheckUtils]: 58: Hoare triple {45605#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45601#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:27:51,829 INFO L290 TraceCheckUtils]: 57: Hoare triple {45609#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45605#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} is VALID [2022-04-28 10:27:51,829 INFO L290 TraceCheckUtils]: 56: Hoare triple {45613#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45609#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} is VALID [2022-04-28 10:27:51,830 INFO L290 TraceCheckUtils]: 55: Hoare triple {45617#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45613#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} is VALID [2022-04-28 10:27:51,831 INFO L290 TraceCheckUtils]: 54: Hoare triple {45621#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45617#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} is VALID [2022-04-28 10:27:51,831 INFO L290 TraceCheckUtils]: 53: Hoare triple {45625#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45621#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} is VALID [2022-04-28 10:27:51,832 INFO L290 TraceCheckUtils]: 52: Hoare triple {45629#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45625#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} is VALID [2022-04-28 10:27:51,832 INFO L290 TraceCheckUtils]: 51: Hoare triple {45633#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45629#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} is VALID [2022-04-28 10:27:51,833 INFO L290 TraceCheckUtils]: 50: Hoare triple {45637#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45633#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} is VALID [2022-04-28 10:27:51,833 INFO L290 TraceCheckUtils]: 49: Hoare triple {45641#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45637#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} is VALID [2022-04-28 10:27:51,834 INFO L290 TraceCheckUtils]: 48: Hoare triple {45645#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45641#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} is VALID [2022-04-28 10:27:51,835 INFO L290 TraceCheckUtils]: 47: Hoare triple {45649#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45645#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} is VALID [2022-04-28 10:27:51,835 INFO L290 TraceCheckUtils]: 46: Hoare triple {45653#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45649#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:27:51,836 INFO L290 TraceCheckUtils]: 45: Hoare triple {45657#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45653#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} is VALID [2022-04-28 10:27:51,836 INFO L290 TraceCheckUtils]: 44: Hoare triple {45661#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45657#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} is VALID [2022-04-28 10:27:51,837 INFO L290 TraceCheckUtils]: 43: Hoare triple {45665#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45661#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} is VALID [2022-04-28 10:27:51,837 INFO L290 TraceCheckUtils]: 42: Hoare triple {45669#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45665#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:27:51,838 INFO L290 TraceCheckUtils]: 41: Hoare triple {45673#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45669#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} is VALID [2022-04-28 10:27:51,839 INFO L290 TraceCheckUtils]: 40: Hoare triple {45677#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45673#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} is VALID [2022-04-28 10:27:51,839 INFO L290 TraceCheckUtils]: 39: Hoare triple {45681#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45677#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} is VALID [2022-04-28 10:27:51,840 INFO L290 TraceCheckUtils]: 38: Hoare triple {45685#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45681#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} is VALID [2022-04-28 10:27:51,840 INFO L290 TraceCheckUtils]: 37: Hoare triple {45689#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45685#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} is VALID [2022-04-28 10:27:51,841 INFO L290 TraceCheckUtils]: 36: Hoare triple {45693#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45689#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:27:51,841 INFO L290 TraceCheckUtils]: 35: Hoare triple {45697#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45693#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:27:51,842 INFO L290 TraceCheckUtils]: 34: Hoare triple {45701#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45697#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} is VALID [2022-04-28 10:27:51,842 INFO L290 TraceCheckUtils]: 33: Hoare triple {45705#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45701#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:27:51,843 INFO L290 TraceCheckUtils]: 32: Hoare triple {45709#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45705#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} is VALID [2022-04-28 10:27:51,844 INFO L290 TraceCheckUtils]: 31: Hoare triple {45713#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45709#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} is VALID [2022-04-28 10:27:51,844 INFO L290 TraceCheckUtils]: 30: Hoare triple {45717#(< (mod (+ main_~z~0 36) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45713#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:27:51,845 INFO L290 TraceCheckUtils]: 29: Hoare triple {45721#(< (mod (+ main_~z~0 37) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45717#(< (mod (+ main_~z~0 36) 4294967296) 268435455)} is VALID [2022-04-28 10:27:51,845 INFO L290 TraceCheckUtils]: 28: Hoare triple {45725#(< (mod (+ main_~z~0 38) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45721#(< (mod (+ main_~z~0 37) 4294967296) 268435455)} is VALID [2022-04-28 10:27:51,846 INFO L290 TraceCheckUtils]: 27: Hoare triple {45729#(< (mod (+ main_~z~0 39) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45725#(< (mod (+ main_~z~0 38) 4294967296) 268435455)} is VALID [2022-04-28 10:27:51,846 INFO L290 TraceCheckUtils]: 26: Hoare triple {45733#(< (mod (+ 40 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45729#(< (mod (+ main_~z~0 39) 4294967296) 268435455)} is VALID [2022-04-28 10:27:51,847 INFO L290 TraceCheckUtils]: 25: Hoare triple {45737#(< (mod (+ 41 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45733#(< (mod (+ 40 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:27:51,847 INFO L290 TraceCheckUtils]: 24: Hoare triple {45741#(< (mod (+ 42 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45737#(< (mod (+ 41 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:27:51,848 INFO L290 TraceCheckUtils]: 23: Hoare triple {45745#(< (mod (+ main_~z~0 43) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45741#(< (mod (+ 42 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:27:51,849 INFO L290 TraceCheckUtils]: 22: Hoare triple {45749#(< (mod (+ 44 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45745#(< (mod (+ main_~z~0 43) 4294967296) 268435455)} is VALID [2022-04-28 10:27:51,849 INFO L290 TraceCheckUtils]: 21: Hoare triple {45753#(< (mod (+ main_~z~0 45) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45749#(< (mod (+ 44 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:27:51,850 INFO L290 TraceCheckUtils]: 20: Hoare triple {45757#(< (mod (+ main_~z~0 46) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45753#(< (mod (+ main_~z~0 45) 4294967296) 268435455)} is VALID [2022-04-28 10:27:51,850 INFO L290 TraceCheckUtils]: 19: Hoare triple {45761#(< (mod (+ main_~z~0 47) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45757#(< (mod (+ main_~z~0 46) 4294967296) 268435455)} is VALID [2022-04-28 10:27:51,851 INFO L290 TraceCheckUtils]: 18: Hoare triple {45765#(< (mod (+ main_~z~0 48) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45761#(< (mod (+ main_~z~0 47) 4294967296) 268435455)} is VALID [2022-04-28 10:27:51,851 INFO L290 TraceCheckUtils]: 17: Hoare triple {45769#(< (mod (+ 49 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45765#(< (mod (+ main_~z~0 48) 4294967296) 268435455)} is VALID [2022-04-28 10:27:51,852 INFO L290 TraceCheckUtils]: 16: Hoare triple {45773#(< (mod (+ main_~z~0 50) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45769#(< (mod (+ 49 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:27:51,852 INFO L290 TraceCheckUtils]: 15: Hoare triple {45777#(< (mod (+ 51 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45773#(< (mod (+ main_~z~0 50) 4294967296) 268435455)} is VALID [2022-04-28 10:27:51,853 INFO L290 TraceCheckUtils]: 14: Hoare triple {45781#(< (mod (+ main_~z~0 52) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45777#(< (mod (+ 51 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:27:51,854 INFO L290 TraceCheckUtils]: 13: Hoare triple {45785#(< (mod (+ 53 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45781#(< (mod (+ main_~z~0 52) 4294967296) 268435455)} is VALID [2022-04-28 10:27:51,854 INFO L290 TraceCheckUtils]: 12: Hoare triple {45789#(< (mod (+ main_~z~0 54) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45785#(< (mod (+ 53 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:27:51,855 INFO L290 TraceCheckUtils]: 11: Hoare triple {45793#(< (mod (+ main_~z~0 55) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45789#(< (mod (+ main_~z~0 54) 4294967296) 268435455)} is VALID [2022-04-28 10:27:51,856 INFO L290 TraceCheckUtils]: 10: Hoare triple {45797#(< (mod (+ 56 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45793#(< (mod (+ main_~z~0 55) 4294967296) 268435455)} is VALID [2022-04-28 10:27:51,856 INFO L290 TraceCheckUtils]: 9: Hoare triple {45801#(< (mod (+ 57 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45797#(< (mod (+ 56 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:27:51,857 INFO L290 TraceCheckUtils]: 8: Hoare triple {45805#(< (mod (+ main_~z~0 58) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {45801#(< (mod (+ 57 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:27:51,857 INFO L290 TraceCheckUtils]: 7: Hoare triple {45282#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {45805#(< (mod (+ main_~z~0 58) 4294967296) 268435455)} is VALID [2022-04-28 10:27:51,857 INFO L290 TraceCheckUtils]: 6: Hoare triple {45282#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {45282#true} is VALID [2022-04-28 10:27:51,857 INFO L290 TraceCheckUtils]: 5: Hoare triple {45282#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {45282#true} is VALID [2022-04-28 10:27:51,857 INFO L272 TraceCheckUtils]: 4: Hoare triple {45282#true} call #t~ret7 := main(); {45282#true} is VALID [2022-04-28 10:27:51,857 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {45282#true} {45282#true} #63#return; {45282#true} is VALID [2022-04-28 10:27:51,857 INFO L290 TraceCheckUtils]: 2: Hoare triple {45282#true} assume true; {45282#true} is VALID [2022-04-28 10:27:51,857 INFO L290 TraceCheckUtils]: 1: Hoare triple {45282#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {45282#true} is VALID [2022-04-28 10:27:51,857 INFO L272 TraceCheckUtils]: 0: Hoare triple {45282#true} call ULTIMATE.init(); {45282#true} is VALID [2022-04-28 10:27:51,858 INFO L134 CoverageAnalysis]: Checked inductivity of 1711 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:27:51,858 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1862210964] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 10:27:51,858 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 10:27:51,858 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [62, 61, 61] total 122 [2022-04-28 10:27:51,858 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 10:27:51,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [76560090] [2022-04-28 10:27:51,858 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [76560090] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 10:27:51,858 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 10:27:51,858 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [62] imperfect sequences [] total 62 [2022-04-28 10:27:51,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872634072] [2022-04-28 10:27:51,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 10:27:51,859 INFO L78 Accepts]: Start accepts. Automaton has has 62 states, 62 states have (on average 1.0806451612903225) internal successors, (67), 61 states have internal predecessors, (67), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 71 [2022-04-28 10:27:51,859 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 10:27:51,859 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 62 states, 62 states have (on average 1.0806451612903225) internal successors, (67), 61 states have internal predecessors, (67), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:27:51,893 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 71 edges. 71 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:27:51,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2022-04-28 10:27:51,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 10:27:51,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2022-04-28 10:27:51,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3840, Invalid=10922, Unknown=0, NotChecked=0, Total=14762 [2022-04-28 10:27:51,894 INFO L87 Difference]: Start difference. First operand 80 states and 84 transitions. Second operand has 62 states, 62 states have (on average 1.0806451612903225) internal successors, (67), 61 states have internal predecessors, (67), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:27:59,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:27:59,520 INFO L93 Difference]: Finished difference Result 155 states and 164 transitions. [2022-04-28 10:27:59,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-04-28 10:27:59,521 INFO L78 Accepts]: Start accepts. Automaton has has 62 states, 62 states have (on average 1.0806451612903225) internal successors, (67), 61 states have internal predecessors, (67), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 71 [2022-04-28 10:27:59,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 10:27:59,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 62 states have (on average 1.0806451612903225) internal successors, (67), 61 states have internal predecessors, (67), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:27:59,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 104 transitions. [2022-04-28 10:27:59,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 62 states have (on average 1.0806451612903225) internal successors, (67), 61 states have internal predecessors, (67), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:27:59,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 104 transitions. [2022-04-28 10:27:59,529 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 62 states and 104 transitions. [2022-04-28 10:27:59,597 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 104 edges. 104 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:27:59,597 INFO L225 Difference]: With dead ends: 155 [2022-04-28 10:27:59,597 INFO L226 Difference]: Without dead ends: 82 [2022-04-28 10:27:59,599 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 265 GetRequests, 85 SyntacticMatches, 1 SemanticMatches, 179 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1833 ImplicationChecksByTransitivity, 7.6s TimeCoverageRelationStatistics Valid=7673, Invalid=24907, Unknown=0, NotChecked=0, Total=32580 [2022-04-28 10:27:59,599 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 17 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 4427 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 4550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 4427 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-04-28 10:27:59,599 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 318 Invalid, 4550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 4427 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-04-28 10:27:59,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2022-04-28 10:27:59,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 81. [2022-04-28 10:27:59,699 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 10:27:59,700 INFO L82 GeneralOperation]: Start isEquivalent. First operand 82 states. Second operand has 81 states, 73 states have (on average 1.0547945205479452) internal successors, (77), 74 states have internal predecessors, (77), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:27:59,700 INFO L74 IsIncluded]: Start isIncluded. First operand 82 states. Second operand has 81 states, 73 states have (on average 1.0547945205479452) internal successors, (77), 74 states have internal predecessors, (77), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:27:59,700 INFO L87 Difference]: Start difference. First operand 82 states. Second operand has 81 states, 73 states have (on average 1.0547945205479452) internal successors, (77), 74 states have internal predecessors, (77), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:27:59,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:27:59,706 INFO L93 Difference]: Finished difference Result 82 states and 86 transitions. [2022-04-28 10:27:59,706 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 86 transitions. [2022-04-28 10:27:59,706 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:27:59,706 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:27:59,706 INFO L74 IsIncluded]: Start isIncluded. First operand has 81 states, 73 states have (on average 1.0547945205479452) internal successors, (77), 74 states have internal predecessors, (77), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 82 states. [2022-04-28 10:27:59,706 INFO L87 Difference]: Start difference. First operand has 81 states, 73 states have (on average 1.0547945205479452) internal successors, (77), 74 states have internal predecessors, (77), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 82 states. [2022-04-28 10:27:59,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:27:59,707 INFO L93 Difference]: Finished difference Result 82 states and 86 transitions. [2022-04-28 10:27:59,707 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 86 transitions. [2022-04-28 10:27:59,707 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:27:59,707 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:27:59,707 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 10:27:59,708 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 10:27:59,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 73 states have (on average 1.0547945205479452) internal successors, (77), 74 states have internal predecessors, (77), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:27:59,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 85 transitions. [2022-04-28 10:27:59,708 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 85 transitions. Word has length 71 [2022-04-28 10:27:59,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 10:27:59,708 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 85 transitions. [2022-04-28 10:27:59,709 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 62 states have (on average 1.0806451612903225) internal successors, (67), 61 states have internal predecessors, (67), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:27:59,709 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 81 states and 85 transitions. [2022-04-28 10:27:59,784 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 85 edges. 85 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:27:59,785 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 85 transitions. [2022-04-28 10:27:59,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-04-28 10:27:59,785 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 10:27:59,785 INFO L195 NwaCegarLoop]: trace histogram [59, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 10:27:59,802 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (59)] Ended with exit code 0 [2022-04-28 10:27:59,985 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 59 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable61 [2022-04-28 10:27:59,985 INFO L420 AbstractCegarLoop]: === Iteration 63 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 10:27:59,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 10:27:59,986 INFO L85 PathProgramCache]: Analyzing trace with hash 502753634, now seen corresponding path program 117 times [2022-04-28 10:27:59,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 10:27:59,986 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [753245248] [2022-04-28 10:27:59,988 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-28 10:27:59,988 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-28 10:27:59,988 INFO L85 PathProgramCache]: Analyzing trace with hash 502753634, now seen corresponding path program 118 times [2022-04-28 10:27:59,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 10:27:59,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349405518] [2022-04-28 10:27:59,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 10:27:59,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 10:28:00,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:28:01,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 10:28:01,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:28:01,584 INFO L290 TraceCheckUtils]: 0: Hoare triple {46652#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {46587#true} is VALID [2022-04-28 10:28:01,584 INFO L290 TraceCheckUtils]: 1: Hoare triple {46587#true} assume true; {46587#true} is VALID [2022-04-28 10:28:01,584 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {46587#true} {46587#true} #63#return; {46587#true} is VALID [2022-04-28 10:28:01,584 INFO L272 TraceCheckUtils]: 0: Hoare triple {46587#true} call ULTIMATE.init(); {46652#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 10:28:01,585 INFO L290 TraceCheckUtils]: 1: Hoare triple {46652#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {46587#true} is VALID [2022-04-28 10:28:01,585 INFO L290 TraceCheckUtils]: 2: Hoare triple {46587#true} assume true; {46587#true} is VALID [2022-04-28 10:28:01,585 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {46587#true} {46587#true} #63#return; {46587#true} is VALID [2022-04-28 10:28:01,585 INFO L272 TraceCheckUtils]: 4: Hoare triple {46587#true} call #t~ret7 := main(); {46587#true} is VALID [2022-04-28 10:28:01,585 INFO L290 TraceCheckUtils]: 5: Hoare triple {46587#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {46587#true} is VALID [2022-04-28 10:28:01,585 INFO L290 TraceCheckUtils]: 6: Hoare triple {46587#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {46587#true} is VALID [2022-04-28 10:28:01,585 INFO L290 TraceCheckUtils]: 7: Hoare triple {46587#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {46592#(= main_~z~0 0)} is VALID [2022-04-28 10:28:01,586 INFO L290 TraceCheckUtils]: 8: Hoare triple {46592#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46593#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:28:01,586 INFO L290 TraceCheckUtils]: 9: Hoare triple {46593#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46594#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:28:01,587 INFO L290 TraceCheckUtils]: 10: Hoare triple {46594#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46595#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:28:01,587 INFO L290 TraceCheckUtils]: 11: Hoare triple {46595#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46596#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:28:01,588 INFO L290 TraceCheckUtils]: 12: Hoare triple {46596#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46597#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:28:01,588 INFO L290 TraceCheckUtils]: 13: Hoare triple {46597#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46598#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:28:01,589 INFO L290 TraceCheckUtils]: 14: Hoare triple {46598#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46599#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:28:01,589 INFO L290 TraceCheckUtils]: 15: Hoare triple {46599#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46600#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:28:01,590 INFO L290 TraceCheckUtils]: 16: Hoare triple {46600#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46601#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:28:01,590 INFO L290 TraceCheckUtils]: 17: Hoare triple {46601#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46602#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:28:01,591 INFO L290 TraceCheckUtils]: 18: Hoare triple {46602#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46603#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:28:01,591 INFO L290 TraceCheckUtils]: 19: Hoare triple {46603#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46604#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:28:01,592 INFO L290 TraceCheckUtils]: 20: Hoare triple {46604#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46605#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:28:01,592 INFO L290 TraceCheckUtils]: 21: Hoare triple {46605#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46606#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:28:01,592 INFO L290 TraceCheckUtils]: 22: Hoare triple {46606#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46607#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:28:01,593 INFO L290 TraceCheckUtils]: 23: Hoare triple {46607#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46608#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:28:01,593 INFO L290 TraceCheckUtils]: 24: Hoare triple {46608#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46609#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:28:01,594 INFO L290 TraceCheckUtils]: 25: Hoare triple {46609#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46610#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:28:01,594 INFO L290 TraceCheckUtils]: 26: Hoare triple {46610#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46611#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:28:01,595 INFO L290 TraceCheckUtils]: 27: Hoare triple {46611#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46612#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 10:28:01,595 INFO L290 TraceCheckUtils]: 28: Hoare triple {46612#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46613#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 10:28:01,596 INFO L290 TraceCheckUtils]: 29: Hoare triple {46613#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46614#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 10:28:01,596 INFO L290 TraceCheckUtils]: 30: Hoare triple {46614#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46615#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 10:28:01,597 INFO L290 TraceCheckUtils]: 31: Hoare triple {46615#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46616#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 10:28:01,597 INFO L290 TraceCheckUtils]: 32: Hoare triple {46616#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46617#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 10:28:01,597 INFO L290 TraceCheckUtils]: 33: Hoare triple {46617#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46618#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 10:28:01,598 INFO L290 TraceCheckUtils]: 34: Hoare triple {46618#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46619#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 10:28:01,598 INFO L290 TraceCheckUtils]: 35: Hoare triple {46619#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46620#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 10:28:01,599 INFO L290 TraceCheckUtils]: 36: Hoare triple {46620#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46621#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 10:28:01,599 INFO L290 TraceCheckUtils]: 37: Hoare triple {46621#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46622#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 10:28:01,600 INFO L290 TraceCheckUtils]: 38: Hoare triple {46622#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46623#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 10:28:01,600 INFO L290 TraceCheckUtils]: 39: Hoare triple {46623#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46624#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 10:28:01,601 INFO L290 TraceCheckUtils]: 40: Hoare triple {46624#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46625#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 10:28:01,601 INFO L290 TraceCheckUtils]: 41: Hoare triple {46625#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46626#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 10:28:01,602 INFO L290 TraceCheckUtils]: 42: Hoare triple {46626#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46627#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 10:28:01,602 INFO L290 TraceCheckUtils]: 43: Hoare triple {46627#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46628#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 10:28:01,603 INFO L290 TraceCheckUtils]: 44: Hoare triple {46628#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46629#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 10:28:01,603 INFO L290 TraceCheckUtils]: 45: Hoare triple {46629#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46630#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 10:28:01,603 INFO L290 TraceCheckUtils]: 46: Hoare triple {46630#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46631#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 10:28:01,604 INFO L290 TraceCheckUtils]: 47: Hoare triple {46631#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46632#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 10:28:01,604 INFO L290 TraceCheckUtils]: 48: Hoare triple {46632#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46633#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 10:28:01,605 INFO L290 TraceCheckUtils]: 49: Hoare triple {46633#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46634#(and (<= 42 main_~z~0) (<= main_~z~0 42))} is VALID [2022-04-28 10:28:01,605 INFO L290 TraceCheckUtils]: 50: Hoare triple {46634#(and (<= 42 main_~z~0) (<= main_~z~0 42))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46635#(and (<= main_~z~0 43) (<= 43 main_~z~0))} is VALID [2022-04-28 10:28:01,606 INFO L290 TraceCheckUtils]: 51: Hoare triple {46635#(and (<= main_~z~0 43) (<= 43 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46636#(and (<= main_~z~0 44) (<= 44 main_~z~0))} is VALID [2022-04-28 10:28:01,606 INFO L290 TraceCheckUtils]: 52: Hoare triple {46636#(and (<= main_~z~0 44) (<= 44 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46637#(and (<= main_~z~0 45) (<= 45 main_~z~0))} is VALID [2022-04-28 10:28:01,607 INFO L290 TraceCheckUtils]: 53: Hoare triple {46637#(and (<= main_~z~0 45) (<= 45 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46638#(and (<= 46 main_~z~0) (<= main_~z~0 46))} is VALID [2022-04-28 10:28:01,607 INFO L290 TraceCheckUtils]: 54: Hoare triple {46638#(and (<= 46 main_~z~0) (<= main_~z~0 46))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46639#(and (<= main_~z~0 47) (<= 47 main_~z~0))} is VALID [2022-04-28 10:28:01,608 INFO L290 TraceCheckUtils]: 55: Hoare triple {46639#(and (<= main_~z~0 47) (<= 47 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46640#(and (<= 48 main_~z~0) (<= main_~z~0 48))} is VALID [2022-04-28 10:28:01,608 INFO L290 TraceCheckUtils]: 56: Hoare triple {46640#(and (<= 48 main_~z~0) (<= main_~z~0 48))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46641#(and (<= 49 main_~z~0) (<= main_~z~0 49))} is VALID [2022-04-28 10:28:01,608 INFO L290 TraceCheckUtils]: 57: Hoare triple {46641#(and (<= 49 main_~z~0) (<= main_~z~0 49))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46642#(and (<= 50 main_~z~0) (<= main_~z~0 50))} is VALID [2022-04-28 10:28:01,609 INFO L290 TraceCheckUtils]: 58: Hoare triple {46642#(and (<= 50 main_~z~0) (<= main_~z~0 50))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46643#(and (<= main_~z~0 51) (<= 51 main_~z~0))} is VALID [2022-04-28 10:28:01,609 INFO L290 TraceCheckUtils]: 59: Hoare triple {46643#(and (<= main_~z~0 51) (<= 51 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46644#(and (<= 52 main_~z~0) (<= main_~z~0 52))} is VALID [2022-04-28 10:28:01,610 INFO L290 TraceCheckUtils]: 60: Hoare triple {46644#(and (<= 52 main_~z~0) (<= main_~z~0 52))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46645#(and (<= 53 main_~z~0) (<= main_~z~0 53))} is VALID [2022-04-28 10:28:01,610 INFO L290 TraceCheckUtils]: 61: Hoare triple {46645#(and (<= 53 main_~z~0) (<= main_~z~0 53))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46646#(and (<= main_~z~0 54) (<= 54 main_~z~0))} is VALID [2022-04-28 10:28:01,611 INFO L290 TraceCheckUtils]: 62: Hoare triple {46646#(and (<= main_~z~0 54) (<= 54 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46647#(and (<= 55 main_~z~0) (<= main_~z~0 55))} is VALID [2022-04-28 10:28:01,611 INFO L290 TraceCheckUtils]: 63: Hoare triple {46647#(and (<= 55 main_~z~0) (<= main_~z~0 55))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46648#(and (<= 56 main_~z~0) (<= main_~z~0 56))} is VALID [2022-04-28 10:28:01,612 INFO L290 TraceCheckUtils]: 64: Hoare triple {46648#(and (<= 56 main_~z~0) (<= main_~z~0 56))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46649#(and (<= main_~z~0 57) (<= 57 main_~z~0))} is VALID [2022-04-28 10:28:01,612 INFO L290 TraceCheckUtils]: 65: Hoare triple {46649#(and (<= main_~z~0 57) (<= 57 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46650#(and (<= 58 main_~z~0) (<= main_~z~0 58))} is VALID [2022-04-28 10:28:01,613 INFO L290 TraceCheckUtils]: 66: Hoare triple {46650#(and (<= 58 main_~z~0) (<= main_~z~0 58))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46651#(and (<= main_~z~0 59) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} is VALID [2022-04-28 10:28:01,613 INFO L290 TraceCheckUtils]: 67: Hoare triple {46651#(and (<= main_~z~0 59) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} assume !(~z~0 % 4294967296 < 268435455); {46588#false} is VALID [2022-04-28 10:28:01,613 INFO L272 TraceCheckUtils]: 68: Hoare triple {46588#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {46588#false} is VALID [2022-04-28 10:28:01,613 INFO L290 TraceCheckUtils]: 69: Hoare triple {46588#false} ~cond := #in~cond; {46588#false} is VALID [2022-04-28 10:28:01,613 INFO L290 TraceCheckUtils]: 70: Hoare triple {46588#false} assume 0 == ~cond; {46588#false} is VALID [2022-04-28 10:28:01,613 INFO L290 TraceCheckUtils]: 71: Hoare triple {46588#false} assume !false; {46588#false} is VALID [2022-04-28 10:28:01,614 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:28:01,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 10:28:01,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349405518] [2022-04-28 10:28:01,614 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349405518] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 10:28:01,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1781303076] [2022-04-28 10:28:01,614 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-28 10:28:01,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:28:01,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 10:28:01,615 INFO L229 MonitoredProcess]: Starting monitored process 60 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 10:28:01,616 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (60)] Waiting until timeout for monitored process [2022-04-28 10:28:01,755 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-28 10:28:01,755 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 10:28:01,757 WARN L261 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 121 conjunts are in the unsatisfiable core [2022-04-28 10:28:01,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:28:01,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 10:28:02,429 INFO L272 TraceCheckUtils]: 0: Hoare triple {46587#true} call ULTIMATE.init(); {46587#true} is VALID [2022-04-28 10:28:02,429 INFO L290 TraceCheckUtils]: 1: Hoare triple {46587#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {46587#true} is VALID [2022-04-28 10:28:02,429 INFO L290 TraceCheckUtils]: 2: Hoare triple {46587#true} assume true; {46587#true} is VALID [2022-04-28 10:28:02,429 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {46587#true} {46587#true} #63#return; {46587#true} is VALID [2022-04-28 10:28:02,429 INFO L272 TraceCheckUtils]: 4: Hoare triple {46587#true} call #t~ret7 := main(); {46587#true} is VALID [2022-04-28 10:28:02,429 INFO L290 TraceCheckUtils]: 5: Hoare triple {46587#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {46587#true} is VALID [2022-04-28 10:28:02,430 INFO L290 TraceCheckUtils]: 6: Hoare triple {46587#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {46587#true} is VALID [2022-04-28 10:28:02,430 INFO L290 TraceCheckUtils]: 7: Hoare triple {46587#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {46592#(= main_~z~0 0)} is VALID [2022-04-28 10:28:02,430 INFO L290 TraceCheckUtils]: 8: Hoare triple {46592#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46593#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:28:02,431 INFO L290 TraceCheckUtils]: 9: Hoare triple {46593#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46594#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:28:02,431 INFO L290 TraceCheckUtils]: 10: Hoare triple {46594#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46595#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:28:02,432 INFO L290 TraceCheckUtils]: 11: Hoare triple {46595#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46596#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:28:02,432 INFO L290 TraceCheckUtils]: 12: Hoare triple {46596#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46597#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:28:02,433 INFO L290 TraceCheckUtils]: 13: Hoare triple {46597#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46598#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:28:02,433 INFO L290 TraceCheckUtils]: 14: Hoare triple {46598#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46599#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:28:02,434 INFO L290 TraceCheckUtils]: 15: Hoare triple {46599#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46600#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:28:02,435 INFO L290 TraceCheckUtils]: 16: Hoare triple {46600#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46601#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:28:02,435 INFO L290 TraceCheckUtils]: 17: Hoare triple {46601#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46602#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:28:02,436 INFO L290 TraceCheckUtils]: 18: Hoare triple {46602#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46603#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:28:02,436 INFO L290 TraceCheckUtils]: 19: Hoare triple {46603#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46604#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:28:02,437 INFO L290 TraceCheckUtils]: 20: Hoare triple {46604#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46605#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:28:02,437 INFO L290 TraceCheckUtils]: 21: Hoare triple {46605#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46606#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:28:02,438 INFO L290 TraceCheckUtils]: 22: Hoare triple {46606#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46607#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:28:02,438 INFO L290 TraceCheckUtils]: 23: Hoare triple {46607#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46608#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:28:02,439 INFO L290 TraceCheckUtils]: 24: Hoare triple {46608#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46609#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:28:02,439 INFO L290 TraceCheckUtils]: 25: Hoare triple {46609#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46610#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:28:02,440 INFO L290 TraceCheckUtils]: 26: Hoare triple {46610#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46611#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:28:02,440 INFO L290 TraceCheckUtils]: 27: Hoare triple {46611#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46612#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 10:28:02,441 INFO L290 TraceCheckUtils]: 28: Hoare triple {46612#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46613#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 10:28:02,441 INFO L290 TraceCheckUtils]: 29: Hoare triple {46613#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46614#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 10:28:02,442 INFO L290 TraceCheckUtils]: 30: Hoare triple {46614#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46615#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 10:28:02,443 INFO L290 TraceCheckUtils]: 31: Hoare triple {46615#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46616#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 10:28:02,444 INFO L290 TraceCheckUtils]: 32: Hoare triple {46616#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46617#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 10:28:02,445 INFO L290 TraceCheckUtils]: 33: Hoare triple {46617#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46618#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 10:28:02,446 INFO L290 TraceCheckUtils]: 34: Hoare triple {46618#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46619#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 10:28:02,446 INFO L290 TraceCheckUtils]: 35: Hoare triple {46619#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46620#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 10:28:02,447 INFO L290 TraceCheckUtils]: 36: Hoare triple {46620#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46621#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 10:28:02,447 INFO L290 TraceCheckUtils]: 37: Hoare triple {46621#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46622#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 10:28:02,448 INFO L290 TraceCheckUtils]: 38: Hoare triple {46622#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46623#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 10:28:02,448 INFO L290 TraceCheckUtils]: 39: Hoare triple {46623#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46624#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 10:28:02,449 INFO L290 TraceCheckUtils]: 40: Hoare triple {46624#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46625#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 10:28:02,449 INFO L290 TraceCheckUtils]: 41: Hoare triple {46625#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46626#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 10:28:02,450 INFO L290 TraceCheckUtils]: 42: Hoare triple {46626#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46627#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 10:28:02,450 INFO L290 TraceCheckUtils]: 43: Hoare triple {46627#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46628#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 10:28:02,451 INFO L290 TraceCheckUtils]: 44: Hoare triple {46628#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46629#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 10:28:02,451 INFO L290 TraceCheckUtils]: 45: Hoare triple {46629#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46630#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 10:28:02,452 INFO L290 TraceCheckUtils]: 46: Hoare triple {46630#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46631#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 10:28:02,452 INFO L290 TraceCheckUtils]: 47: Hoare triple {46631#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46632#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 10:28:02,453 INFO L290 TraceCheckUtils]: 48: Hoare triple {46632#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46633#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 10:28:02,453 INFO L290 TraceCheckUtils]: 49: Hoare triple {46633#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46634#(and (<= 42 main_~z~0) (<= main_~z~0 42))} is VALID [2022-04-28 10:28:02,454 INFO L290 TraceCheckUtils]: 50: Hoare triple {46634#(and (<= 42 main_~z~0) (<= main_~z~0 42))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46635#(and (<= main_~z~0 43) (<= 43 main_~z~0))} is VALID [2022-04-28 10:28:02,454 INFO L290 TraceCheckUtils]: 51: Hoare triple {46635#(and (<= main_~z~0 43) (<= 43 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46636#(and (<= main_~z~0 44) (<= 44 main_~z~0))} is VALID [2022-04-28 10:28:02,455 INFO L290 TraceCheckUtils]: 52: Hoare triple {46636#(and (<= main_~z~0 44) (<= 44 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46637#(and (<= main_~z~0 45) (<= 45 main_~z~0))} is VALID [2022-04-28 10:28:02,456 INFO L290 TraceCheckUtils]: 53: Hoare triple {46637#(and (<= main_~z~0 45) (<= 45 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46638#(and (<= 46 main_~z~0) (<= main_~z~0 46))} is VALID [2022-04-28 10:28:02,456 INFO L290 TraceCheckUtils]: 54: Hoare triple {46638#(and (<= 46 main_~z~0) (<= main_~z~0 46))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46639#(and (<= main_~z~0 47) (<= 47 main_~z~0))} is VALID [2022-04-28 10:28:02,457 INFO L290 TraceCheckUtils]: 55: Hoare triple {46639#(and (<= main_~z~0 47) (<= 47 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46640#(and (<= 48 main_~z~0) (<= main_~z~0 48))} is VALID [2022-04-28 10:28:02,457 INFO L290 TraceCheckUtils]: 56: Hoare triple {46640#(and (<= 48 main_~z~0) (<= main_~z~0 48))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46641#(and (<= 49 main_~z~0) (<= main_~z~0 49))} is VALID [2022-04-28 10:28:02,458 INFO L290 TraceCheckUtils]: 57: Hoare triple {46641#(and (<= 49 main_~z~0) (<= main_~z~0 49))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46642#(and (<= 50 main_~z~0) (<= main_~z~0 50))} is VALID [2022-04-28 10:28:02,458 INFO L290 TraceCheckUtils]: 58: Hoare triple {46642#(and (<= 50 main_~z~0) (<= main_~z~0 50))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46643#(and (<= main_~z~0 51) (<= 51 main_~z~0))} is VALID [2022-04-28 10:28:02,459 INFO L290 TraceCheckUtils]: 59: Hoare triple {46643#(and (<= main_~z~0 51) (<= 51 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46644#(and (<= 52 main_~z~0) (<= main_~z~0 52))} is VALID [2022-04-28 10:28:02,459 INFO L290 TraceCheckUtils]: 60: Hoare triple {46644#(and (<= 52 main_~z~0) (<= main_~z~0 52))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46645#(and (<= 53 main_~z~0) (<= main_~z~0 53))} is VALID [2022-04-28 10:28:02,460 INFO L290 TraceCheckUtils]: 61: Hoare triple {46645#(and (<= 53 main_~z~0) (<= main_~z~0 53))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46646#(and (<= main_~z~0 54) (<= 54 main_~z~0))} is VALID [2022-04-28 10:28:02,460 INFO L290 TraceCheckUtils]: 62: Hoare triple {46646#(and (<= main_~z~0 54) (<= 54 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46647#(and (<= 55 main_~z~0) (<= main_~z~0 55))} is VALID [2022-04-28 10:28:02,461 INFO L290 TraceCheckUtils]: 63: Hoare triple {46647#(and (<= 55 main_~z~0) (<= main_~z~0 55))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46648#(and (<= 56 main_~z~0) (<= main_~z~0 56))} is VALID [2022-04-28 10:28:02,461 INFO L290 TraceCheckUtils]: 64: Hoare triple {46648#(and (<= 56 main_~z~0) (<= main_~z~0 56))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46649#(and (<= main_~z~0 57) (<= 57 main_~z~0))} is VALID [2022-04-28 10:28:02,462 INFO L290 TraceCheckUtils]: 65: Hoare triple {46649#(and (<= main_~z~0 57) (<= 57 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46650#(and (<= 58 main_~z~0) (<= main_~z~0 58))} is VALID [2022-04-28 10:28:02,462 INFO L290 TraceCheckUtils]: 66: Hoare triple {46650#(and (<= 58 main_~z~0) (<= main_~z~0 58))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46854#(and (<= main_~z~0 59) (<= 59 main_~z~0))} is VALID [2022-04-28 10:28:02,463 INFO L290 TraceCheckUtils]: 67: Hoare triple {46854#(and (<= main_~z~0 59) (<= 59 main_~z~0))} assume !(~z~0 % 4294967296 < 268435455); {46588#false} is VALID [2022-04-28 10:28:02,463 INFO L272 TraceCheckUtils]: 68: Hoare triple {46588#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {46588#false} is VALID [2022-04-28 10:28:02,463 INFO L290 TraceCheckUtils]: 69: Hoare triple {46588#false} ~cond := #in~cond; {46588#false} is VALID [2022-04-28 10:28:02,463 INFO L290 TraceCheckUtils]: 70: Hoare triple {46588#false} assume 0 == ~cond; {46588#false} is VALID [2022-04-28 10:28:02,463 INFO L290 TraceCheckUtils]: 71: Hoare triple {46588#false} assume !false; {46588#false} is VALID [2022-04-28 10:28:02,464 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:28:02,464 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 10:28:07,542 INFO L290 TraceCheckUtils]: 71: Hoare triple {46588#false} assume !false; {46588#false} is VALID [2022-04-28 10:28:07,542 INFO L290 TraceCheckUtils]: 70: Hoare triple {46588#false} assume 0 == ~cond; {46588#false} is VALID [2022-04-28 10:28:07,542 INFO L290 TraceCheckUtils]: 69: Hoare triple {46588#false} ~cond := #in~cond; {46588#false} is VALID [2022-04-28 10:28:07,543 INFO L272 TraceCheckUtils]: 68: Hoare triple {46588#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {46588#false} is VALID [2022-04-28 10:28:07,543 INFO L290 TraceCheckUtils]: 67: Hoare triple {46882#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {46588#false} is VALID [2022-04-28 10:28:07,543 INFO L290 TraceCheckUtils]: 66: Hoare triple {46886#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46882#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 10:28:07,544 INFO L290 TraceCheckUtils]: 65: Hoare triple {46890#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46886#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 10:28:07,545 INFO L290 TraceCheckUtils]: 64: Hoare triple {46894#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46890#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 10:28:07,545 INFO L290 TraceCheckUtils]: 63: Hoare triple {46898#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46894#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 10:28:07,546 INFO L290 TraceCheckUtils]: 62: Hoare triple {46902#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46898#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 10:28:07,546 INFO L290 TraceCheckUtils]: 61: Hoare triple {46906#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46902#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:28:07,547 INFO L290 TraceCheckUtils]: 60: Hoare triple {46910#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46906#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} is VALID [2022-04-28 10:28:07,547 INFO L290 TraceCheckUtils]: 59: Hoare triple {46914#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46910#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:28:07,548 INFO L290 TraceCheckUtils]: 58: Hoare triple {46918#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46914#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} is VALID [2022-04-28 10:28:07,548 INFO L290 TraceCheckUtils]: 57: Hoare triple {46922#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46918#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} is VALID [2022-04-28 10:28:07,549 INFO L290 TraceCheckUtils]: 56: Hoare triple {46926#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46922#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} is VALID [2022-04-28 10:28:07,550 INFO L290 TraceCheckUtils]: 55: Hoare triple {46930#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46926#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} is VALID [2022-04-28 10:28:07,550 INFO L290 TraceCheckUtils]: 54: Hoare triple {46934#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46930#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} is VALID [2022-04-28 10:28:07,551 INFO L290 TraceCheckUtils]: 53: Hoare triple {46938#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46934#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} is VALID [2022-04-28 10:28:07,551 INFO L290 TraceCheckUtils]: 52: Hoare triple {46942#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46938#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} is VALID [2022-04-28 10:28:07,552 INFO L290 TraceCheckUtils]: 51: Hoare triple {46946#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46942#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} is VALID [2022-04-28 10:28:07,552 INFO L290 TraceCheckUtils]: 50: Hoare triple {46950#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46946#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} is VALID [2022-04-28 10:28:07,553 INFO L290 TraceCheckUtils]: 49: Hoare triple {46954#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46950#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} is VALID [2022-04-28 10:28:07,554 INFO L290 TraceCheckUtils]: 48: Hoare triple {46958#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46954#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} is VALID [2022-04-28 10:28:07,554 INFO L290 TraceCheckUtils]: 47: Hoare triple {46962#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46958#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:28:07,555 INFO L290 TraceCheckUtils]: 46: Hoare triple {46966#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46962#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} is VALID [2022-04-28 10:28:07,555 INFO L290 TraceCheckUtils]: 45: Hoare triple {46970#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46966#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} is VALID [2022-04-28 10:28:07,556 INFO L290 TraceCheckUtils]: 44: Hoare triple {46974#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46970#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} is VALID [2022-04-28 10:28:07,556 INFO L290 TraceCheckUtils]: 43: Hoare triple {46978#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46974#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:28:07,557 INFO L290 TraceCheckUtils]: 42: Hoare triple {46982#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46978#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} is VALID [2022-04-28 10:28:07,557 INFO L290 TraceCheckUtils]: 41: Hoare triple {46986#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46982#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} is VALID [2022-04-28 10:28:07,558 INFO L290 TraceCheckUtils]: 40: Hoare triple {46990#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46986#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} is VALID [2022-04-28 10:28:07,559 INFO L290 TraceCheckUtils]: 39: Hoare triple {46994#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46990#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} is VALID [2022-04-28 10:28:07,559 INFO L290 TraceCheckUtils]: 38: Hoare triple {46998#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46994#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} is VALID [2022-04-28 10:28:07,560 INFO L290 TraceCheckUtils]: 37: Hoare triple {47002#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {46998#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:28:07,563 INFO L290 TraceCheckUtils]: 36: Hoare triple {47006#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47002#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:28:07,563 INFO L290 TraceCheckUtils]: 35: Hoare triple {47010#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47006#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} is VALID [2022-04-28 10:28:07,564 INFO L290 TraceCheckUtils]: 34: Hoare triple {47014#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47010#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:28:07,569 INFO L290 TraceCheckUtils]: 33: Hoare triple {47018#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47014#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} is VALID [2022-04-28 10:28:07,570 INFO L290 TraceCheckUtils]: 32: Hoare triple {47022#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47018#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} is VALID [2022-04-28 10:28:07,571 INFO L290 TraceCheckUtils]: 31: Hoare triple {47026#(< (mod (+ main_~z~0 36) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47022#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:28:07,572 INFO L290 TraceCheckUtils]: 30: Hoare triple {47030#(< (mod (+ main_~z~0 37) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47026#(< (mod (+ main_~z~0 36) 4294967296) 268435455)} is VALID [2022-04-28 10:28:07,572 INFO L290 TraceCheckUtils]: 29: Hoare triple {47034#(< (mod (+ main_~z~0 38) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47030#(< (mod (+ main_~z~0 37) 4294967296) 268435455)} is VALID [2022-04-28 10:28:07,573 INFO L290 TraceCheckUtils]: 28: Hoare triple {47038#(< (mod (+ main_~z~0 39) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47034#(< (mod (+ main_~z~0 38) 4294967296) 268435455)} is VALID [2022-04-28 10:28:07,573 INFO L290 TraceCheckUtils]: 27: Hoare triple {47042#(< (mod (+ 40 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47038#(< (mod (+ main_~z~0 39) 4294967296) 268435455)} is VALID [2022-04-28 10:28:07,574 INFO L290 TraceCheckUtils]: 26: Hoare triple {47046#(< (mod (+ 41 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47042#(< (mod (+ 40 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:28:07,574 INFO L290 TraceCheckUtils]: 25: Hoare triple {47050#(< (mod (+ 42 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47046#(< (mod (+ 41 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:28:07,575 INFO L290 TraceCheckUtils]: 24: Hoare triple {47054#(< (mod (+ main_~z~0 43) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47050#(< (mod (+ 42 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:28:07,576 INFO L290 TraceCheckUtils]: 23: Hoare triple {47058#(< (mod (+ 44 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47054#(< (mod (+ main_~z~0 43) 4294967296) 268435455)} is VALID [2022-04-28 10:28:07,576 INFO L290 TraceCheckUtils]: 22: Hoare triple {47062#(< (mod (+ main_~z~0 45) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47058#(< (mod (+ 44 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:28:07,577 INFO L290 TraceCheckUtils]: 21: Hoare triple {47066#(< (mod (+ main_~z~0 46) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47062#(< (mod (+ main_~z~0 45) 4294967296) 268435455)} is VALID [2022-04-28 10:28:07,577 INFO L290 TraceCheckUtils]: 20: Hoare triple {47070#(< (mod (+ main_~z~0 47) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47066#(< (mod (+ main_~z~0 46) 4294967296) 268435455)} is VALID [2022-04-28 10:28:07,578 INFO L290 TraceCheckUtils]: 19: Hoare triple {47074#(< (mod (+ main_~z~0 48) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47070#(< (mod (+ main_~z~0 47) 4294967296) 268435455)} is VALID [2022-04-28 10:28:07,578 INFO L290 TraceCheckUtils]: 18: Hoare triple {47078#(< (mod (+ 49 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47074#(< (mod (+ main_~z~0 48) 4294967296) 268435455)} is VALID [2022-04-28 10:28:07,579 INFO L290 TraceCheckUtils]: 17: Hoare triple {47082#(< (mod (+ main_~z~0 50) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47078#(< (mod (+ 49 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:28:07,579 INFO L290 TraceCheckUtils]: 16: Hoare triple {47086#(< (mod (+ 51 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47082#(< (mod (+ main_~z~0 50) 4294967296) 268435455)} is VALID [2022-04-28 10:28:07,580 INFO L290 TraceCheckUtils]: 15: Hoare triple {47090#(< (mod (+ main_~z~0 52) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47086#(< (mod (+ 51 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:28:07,581 INFO L290 TraceCheckUtils]: 14: Hoare triple {47094#(< (mod (+ 53 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47090#(< (mod (+ main_~z~0 52) 4294967296) 268435455)} is VALID [2022-04-28 10:28:07,581 INFO L290 TraceCheckUtils]: 13: Hoare triple {47098#(< (mod (+ main_~z~0 54) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47094#(< (mod (+ 53 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:28:07,582 INFO L290 TraceCheckUtils]: 12: Hoare triple {47102#(< (mod (+ main_~z~0 55) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47098#(< (mod (+ main_~z~0 54) 4294967296) 268435455)} is VALID [2022-04-28 10:28:07,582 INFO L290 TraceCheckUtils]: 11: Hoare triple {47106#(< (mod (+ 56 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47102#(< (mod (+ main_~z~0 55) 4294967296) 268435455)} is VALID [2022-04-28 10:28:07,583 INFO L290 TraceCheckUtils]: 10: Hoare triple {47110#(< (mod (+ 57 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47106#(< (mod (+ 56 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:28:07,583 INFO L290 TraceCheckUtils]: 9: Hoare triple {47114#(< (mod (+ main_~z~0 58) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47110#(< (mod (+ 57 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:28:07,584 INFO L290 TraceCheckUtils]: 8: Hoare triple {47118#(< (mod (+ 59 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47114#(< (mod (+ main_~z~0 58) 4294967296) 268435455)} is VALID [2022-04-28 10:28:07,584 INFO L290 TraceCheckUtils]: 7: Hoare triple {46587#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {47118#(< (mod (+ 59 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:28:07,584 INFO L290 TraceCheckUtils]: 6: Hoare triple {46587#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {46587#true} is VALID [2022-04-28 10:28:07,584 INFO L290 TraceCheckUtils]: 5: Hoare triple {46587#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {46587#true} is VALID [2022-04-28 10:28:07,584 INFO L272 TraceCheckUtils]: 4: Hoare triple {46587#true} call #t~ret7 := main(); {46587#true} is VALID [2022-04-28 10:28:07,585 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {46587#true} {46587#true} #63#return; {46587#true} is VALID [2022-04-28 10:28:07,585 INFO L290 TraceCheckUtils]: 2: Hoare triple {46587#true} assume true; {46587#true} is VALID [2022-04-28 10:28:07,585 INFO L290 TraceCheckUtils]: 1: Hoare triple {46587#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {46587#true} is VALID [2022-04-28 10:28:07,585 INFO L272 TraceCheckUtils]: 0: Hoare triple {46587#true} call ULTIMATE.init(); {46587#true} is VALID [2022-04-28 10:28:07,585 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:28:07,586 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1781303076] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 10:28:07,586 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 10:28:07,586 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [63, 62, 62] total 124 [2022-04-28 10:28:07,586 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 10:28:07,586 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [753245248] [2022-04-28 10:28:07,586 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [753245248] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 10:28:07,586 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 10:28:07,586 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [63] imperfect sequences [] total 63 [2022-04-28 10:28:07,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028040320] [2022-04-28 10:28:07,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 10:28:07,586 INFO L78 Accepts]: Start accepts. Automaton has has 63 states, 63 states have (on average 1.0793650793650793) internal successors, (68), 62 states have internal predecessors, (68), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 72 [2022-04-28 10:28:07,587 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 10:28:07,587 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 63 states, 63 states have (on average 1.0793650793650793) internal successors, (68), 62 states have internal predecessors, (68), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:28:07,622 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 72 edges. 72 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:28:07,622 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2022-04-28 10:28:07,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 10:28:07,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2022-04-28 10:28:07,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3965, Invalid=11287, Unknown=0, NotChecked=0, Total=15252 [2022-04-28 10:28:07,623 INFO L87 Difference]: Start difference. First operand 81 states and 85 transitions. Second operand has 63 states, 63 states have (on average 1.0793650793650793) internal successors, (68), 62 states have internal predecessors, (68), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:28:15,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:28:15,145 INFO L93 Difference]: Finished difference Result 157 states and 166 transitions. [2022-04-28 10:28:15,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-04-28 10:28:15,145 INFO L78 Accepts]: Start accepts. Automaton has has 63 states, 63 states have (on average 1.0793650793650793) internal successors, (68), 62 states have internal predecessors, (68), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 72 [2022-04-28 10:28:15,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 10:28:15,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 63 states have (on average 1.0793650793650793) internal successors, (68), 62 states have internal predecessors, (68), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:28:15,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 105 transitions. [2022-04-28 10:28:15,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 63 states have (on average 1.0793650793650793) internal successors, (68), 62 states have internal predecessors, (68), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:28:15,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 105 transitions. [2022-04-28 10:28:15,147 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 63 states and 105 transitions. [2022-04-28 10:28:15,210 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 105 edges. 105 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:28:15,210 INFO L225 Difference]: With dead ends: 157 [2022-04-28 10:28:15,210 INFO L226 Difference]: Without dead ends: 83 [2022-04-28 10:28:15,212 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 269 GetRequests, 86 SyntacticMatches, 1 SemanticMatches, 182 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1894 ImplicationChecksByTransitivity, 7.8s TimeCoverageRelationStatistics Valid=7923, Invalid=25749, Unknown=0, NotChecked=0, Total=33672 [2022-04-28 10:28:15,212 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 17 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 4292 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 4417 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 4292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-04-28 10:28:15,212 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 233 Invalid, 4417 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 4292 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-04-28 10:28:15,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2022-04-28 10:28:15,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 82. [2022-04-28 10:28:15,288 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 10:28:15,288 INFO L82 GeneralOperation]: Start isEquivalent. First operand 83 states. Second operand has 82 states, 74 states have (on average 1.054054054054054) internal successors, (78), 75 states have internal predecessors, (78), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:28:15,289 INFO L74 IsIncluded]: Start isIncluded. First operand 83 states. Second operand has 82 states, 74 states have (on average 1.054054054054054) internal successors, (78), 75 states have internal predecessors, (78), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:28:15,289 INFO L87 Difference]: Start difference. First operand 83 states. Second operand has 82 states, 74 states have (on average 1.054054054054054) internal successors, (78), 75 states have internal predecessors, (78), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:28:15,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:28:15,289 INFO L93 Difference]: Finished difference Result 83 states and 87 transitions. [2022-04-28 10:28:15,289 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 87 transitions. [2022-04-28 10:28:15,290 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:28:15,290 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:28:15,290 INFO L74 IsIncluded]: Start isIncluded. First operand has 82 states, 74 states have (on average 1.054054054054054) internal successors, (78), 75 states have internal predecessors, (78), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 83 states. [2022-04-28 10:28:15,290 INFO L87 Difference]: Start difference. First operand has 82 states, 74 states have (on average 1.054054054054054) internal successors, (78), 75 states have internal predecessors, (78), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 83 states. [2022-04-28 10:28:15,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:28:15,290 INFO L93 Difference]: Finished difference Result 83 states and 87 transitions. [2022-04-28 10:28:15,290 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 87 transitions. [2022-04-28 10:28:15,291 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:28:15,291 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:28:15,291 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 10:28:15,291 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 10:28:15,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 74 states have (on average 1.054054054054054) internal successors, (78), 75 states have internal predecessors, (78), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:28:15,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 86 transitions. [2022-04-28 10:28:15,292 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 86 transitions. Word has length 72 [2022-04-28 10:28:15,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 10:28:15,292 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 86 transitions. [2022-04-28 10:28:15,292 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 1.0793650793650793) internal successors, (68), 62 states have internal predecessors, (68), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:28:15,292 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 82 states and 86 transitions. [2022-04-28 10:28:15,374 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 86 edges. 86 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:28:15,375 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 86 transitions. [2022-04-28 10:28:15,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-04-28 10:28:15,375 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 10:28:15,375 INFO L195 NwaCegarLoop]: trace histogram [60, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 10:28:15,391 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (60)] Forceful destruction successful, exit code 0 [2022-04-28 10:28:15,581 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 60 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable62 [2022-04-28 10:28:15,582 INFO L420 AbstractCegarLoop]: === Iteration 64 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 10:28:15,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 10:28:15,582 INFO L85 PathProgramCache]: Analyzing trace with hash -1568203966, now seen corresponding path program 119 times [2022-04-28 10:28:15,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 10:28:15,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [182972781] [2022-04-28 10:28:15,585 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-28 10:28:15,585 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-28 10:28:15,585 INFO L85 PathProgramCache]: Analyzing trace with hash -1568203966, now seen corresponding path program 120 times [2022-04-28 10:28:15,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 10:28:15,585 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113681713] [2022-04-28 10:28:15,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 10:28:15,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 10:28:15,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:28:17,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 10:28:17,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:28:17,251 INFO L290 TraceCheckUtils]: 0: Hoare triple {47976#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {47910#true} is VALID [2022-04-28 10:28:17,251 INFO L290 TraceCheckUtils]: 1: Hoare triple {47910#true} assume true; {47910#true} is VALID [2022-04-28 10:28:17,251 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {47910#true} {47910#true} #63#return; {47910#true} is VALID [2022-04-28 10:28:17,251 INFO L272 TraceCheckUtils]: 0: Hoare triple {47910#true} call ULTIMATE.init(); {47976#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 10:28:17,251 INFO L290 TraceCheckUtils]: 1: Hoare triple {47976#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {47910#true} is VALID [2022-04-28 10:28:17,251 INFO L290 TraceCheckUtils]: 2: Hoare triple {47910#true} assume true; {47910#true} is VALID [2022-04-28 10:28:17,251 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {47910#true} {47910#true} #63#return; {47910#true} is VALID [2022-04-28 10:28:17,252 INFO L272 TraceCheckUtils]: 4: Hoare triple {47910#true} call #t~ret7 := main(); {47910#true} is VALID [2022-04-28 10:28:17,252 INFO L290 TraceCheckUtils]: 5: Hoare triple {47910#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {47910#true} is VALID [2022-04-28 10:28:17,252 INFO L290 TraceCheckUtils]: 6: Hoare triple {47910#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {47910#true} is VALID [2022-04-28 10:28:17,252 INFO L290 TraceCheckUtils]: 7: Hoare triple {47910#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {47915#(= main_~z~0 0)} is VALID [2022-04-28 10:28:17,252 INFO L290 TraceCheckUtils]: 8: Hoare triple {47915#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47916#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:28:17,253 INFO L290 TraceCheckUtils]: 9: Hoare triple {47916#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47917#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:28:17,253 INFO L290 TraceCheckUtils]: 10: Hoare triple {47917#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47918#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:28:17,254 INFO L290 TraceCheckUtils]: 11: Hoare triple {47918#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47919#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:28:17,254 INFO L290 TraceCheckUtils]: 12: Hoare triple {47919#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47920#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:28:17,255 INFO L290 TraceCheckUtils]: 13: Hoare triple {47920#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47921#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:28:17,255 INFO L290 TraceCheckUtils]: 14: Hoare triple {47921#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47922#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:28:17,256 INFO L290 TraceCheckUtils]: 15: Hoare triple {47922#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47923#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:28:17,276 INFO L290 TraceCheckUtils]: 16: Hoare triple {47923#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47924#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:28:17,277 INFO L290 TraceCheckUtils]: 17: Hoare triple {47924#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47925#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:28:17,277 INFO L290 TraceCheckUtils]: 18: Hoare triple {47925#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47926#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:28:17,278 INFO L290 TraceCheckUtils]: 19: Hoare triple {47926#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47927#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:28:17,278 INFO L290 TraceCheckUtils]: 20: Hoare triple {47927#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47928#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:28:17,279 INFO L290 TraceCheckUtils]: 21: Hoare triple {47928#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47929#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:28:17,279 INFO L290 TraceCheckUtils]: 22: Hoare triple {47929#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47930#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:28:17,280 INFO L290 TraceCheckUtils]: 23: Hoare triple {47930#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47931#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:28:17,280 INFO L290 TraceCheckUtils]: 24: Hoare triple {47931#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47932#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:28:17,281 INFO L290 TraceCheckUtils]: 25: Hoare triple {47932#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47933#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:28:17,281 INFO L290 TraceCheckUtils]: 26: Hoare triple {47933#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47934#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:28:17,281 INFO L290 TraceCheckUtils]: 27: Hoare triple {47934#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47935#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 10:28:17,282 INFO L290 TraceCheckUtils]: 28: Hoare triple {47935#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47936#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 10:28:17,282 INFO L290 TraceCheckUtils]: 29: Hoare triple {47936#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47937#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 10:28:17,283 INFO L290 TraceCheckUtils]: 30: Hoare triple {47937#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47938#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 10:28:17,283 INFO L290 TraceCheckUtils]: 31: Hoare triple {47938#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47939#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 10:28:17,284 INFO L290 TraceCheckUtils]: 32: Hoare triple {47939#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47940#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 10:28:17,284 INFO L290 TraceCheckUtils]: 33: Hoare triple {47940#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47941#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 10:28:17,285 INFO L290 TraceCheckUtils]: 34: Hoare triple {47941#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47942#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 10:28:17,285 INFO L290 TraceCheckUtils]: 35: Hoare triple {47942#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47943#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 10:28:17,286 INFO L290 TraceCheckUtils]: 36: Hoare triple {47943#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47944#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 10:28:17,286 INFO L290 TraceCheckUtils]: 37: Hoare triple {47944#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47945#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 10:28:17,287 INFO L290 TraceCheckUtils]: 38: Hoare triple {47945#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47946#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 10:28:17,287 INFO L290 TraceCheckUtils]: 39: Hoare triple {47946#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47947#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 10:28:17,288 INFO L290 TraceCheckUtils]: 40: Hoare triple {47947#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47948#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 10:28:17,288 INFO L290 TraceCheckUtils]: 41: Hoare triple {47948#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47949#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 10:28:17,288 INFO L290 TraceCheckUtils]: 42: Hoare triple {47949#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47950#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 10:28:17,289 INFO L290 TraceCheckUtils]: 43: Hoare triple {47950#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47951#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 10:28:17,289 INFO L290 TraceCheckUtils]: 44: Hoare triple {47951#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47952#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 10:28:17,290 INFO L290 TraceCheckUtils]: 45: Hoare triple {47952#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47953#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 10:28:17,290 INFO L290 TraceCheckUtils]: 46: Hoare triple {47953#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47954#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 10:28:17,291 INFO L290 TraceCheckUtils]: 47: Hoare triple {47954#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47955#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 10:28:17,291 INFO L290 TraceCheckUtils]: 48: Hoare triple {47955#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47956#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 10:28:17,292 INFO L290 TraceCheckUtils]: 49: Hoare triple {47956#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47957#(and (<= 42 main_~z~0) (<= main_~z~0 42))} is VALID [2022-04-28 10:28:17,292 INFO L290 TraceCheckUtils]: 50: Hoare triple {47957#(and (<= 42 main_~z~0) (<= main_~z~0 42))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47958#(and (<= main_~z~0 43) (<= 43 main_~z~0))} is VALID [2022-04-28 10:28:17,293 INFO L290 TraceCheckUtils]: 51: Hoare triple {47958#(and (<= main_~z~0 43) (<= 43 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47959#(and (<= main_~z~0 44) (<= 44 main_~z~0))} is VALID [2022-04-28 10:28:17,293 INFO L290 TraceCheckUtils]: 52: Hoare triple {47959#(and (<= main_~z~0 44) (<= 44 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47960#(and (<= main_~z~0 45) (<= 45 main_~z~0))} is VALID [2022-04-28 10:28:17,293 INFO L290 TraceCheckUtils]: 53: Hoare triple {47960#(and (<= main_~z~0 45) (<= 45 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47961#(and (<= 46 main_~z~0) (<= main_~z~0 46))} is VALID [2022-04-28 10:28:17,294 INFO L290 TraceCheckUtils]: 54: Hoare triple {47961#(and (<= 46 main_~z~0) (<= main_~z~0 46))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47962#(and (<= main_~z~0 47) (<= 47 main_~z~0))} is VALID [2022-04-28 10:28:17,294 INFO L290 TraceCheckUtils]: 55: Hoare triple {47962#(and (<= main_~z~0 47) (<= 47 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47963#(and (<= 48 main_~z~0) (<= main_~z~0 48))} is VALID [2022-04-28 10:28:17,295 INFO L290 TraceCheckUtils]: 56: Hoare triple {47963#(and (<= 48 main_~z~0) (<= main_~z~0 48))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47964#(and (<= 49 main_~z~0) (<= main_~z~0 49))} is VALID [2022-04-28 10:28:17,295 INFO L290 TraceCheckUtils]: 57: Hoare triple {47964#(and (<= 49 main_~z~0) (<= main_~z~0 49))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47965#(and (<= 50 main_~z~0) (<= main_~z~0 50))} is VALID [2022-04-28 10:28:17,296 INFO L290 TraceCheckUtils]: 58: Hoare triple {47965#(and (<= 50 main_~z~0) (<= main_~z~0 50))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47966#(and (<= main_~z~0 51) (<= 51 main_~z~0))} is VALID [2022-04-28 10:28:17,315 INFO L290 TraceCheckUtils]: 59: Hoare triple {47966#(and (<= main_~z~0 51) (<= 51 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47967#(and (<= 52 main_~z~0) (<= main_~z~0 52))} is VALID [2022-04-28 10:28:17,316 INFO L290 TraceCheckUtils]: 60: Hoare triple {47967#(and (<= 52 main_~z~0) (<= main_~z~0 52))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47968#(and (<= 53 main_~z~0) (<= main_~z~0 53))} is VALID [2022-04-28 10:28:17,316 INFO L290 TraceCheckUtils]: 61: Hoare triple {47968#(and (<= 53 main_~z~0) (<= main_~z~0 53))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47969#(and (<= main_~z~0 54) (<= 54 main_~z~0))} is VALID [2022-04-28 10:28:17,317 INFO L290 TraceCheckUtils]: 62: Hoare triple {47969#(and (<= main_~z~0 54) (<= 54 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47970#(and (<= 55 main_~z~0) (<= main_~z~0 55))} is VALID [2022-04-28 10:28:17,317 INFO L290 TraceCheckUtils]: 63: Hoare triple {47970#(and (<= 55 main_~z~0) (<= main_~z~0 55))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47971#(and (<= 56 main_~z~0) (<= main_~z~0 56))} is VALID [2022-04-28 10:28:17,318 INFO L290 TraceCheckUtils]: 64: Hoare triple {47971#(and (<= 56 main_~z~0) (<= main_~z~0 56))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47972#(and (<= main_~z~0 57) (<= 57 main_~z~0))} is VALID [2022-04-28 10:28:17,318 INFO L290 TraceCheckUtils]: 65: Hoare triple {47972#(and (<= main_~z~0 57) (<= 57 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47973#(and (<= 58 main_~z~0) (<= main_~z~0 58))} is VALID [2022-04-28 10:28:17,319 INFO L290 TraceCheckUtils]: 66: Hoare triple {47973#(and (<= 58 main_~z~0) (<= main_~z~0 58))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47974#(and (<= main_~z~0 59) (<= 59 main_~z~0))} is VALID [2022-04-28 10:28:17,319 INFO L290 TraceCheckUtils]: 67: Hoare triple {47974#(and (<= main_~z~0 59) (<= 59 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47975#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 60))} is VALID [2022-04-28 10:28:17,320 INFO L290 TraceCheckUtils]: 68: Hoare triple {47975#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 60))} assume !(~z~0 % 4294967296 < 268435455); {47911#false} is VALID [2022-04-28 10:28:17,320 INFO L272 TraceCheckUtils]: 69: Hoare triple {47911#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {47911#false} is VALID [2022-04-28 10:28:17,320 INFO L290 TraceCheckUtils]: 70: Hoare triple {47911#false} ~cond := #in~cond; {47911#false} is VALID [2022-04-28 10:28:17,320 INFO L290 TraceCheckUtils]: 71: Hoare triple {47911#false} assume 0 == ~cond; {47911#false} is VALID [2022-04-28 10:28:17,320 INFO L290 TraceCheckUtils]: 72: Hoare triple {47911#false} assume !false; {47911#false} is VALID [2022-04-28 10:28:17,320 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:28:17,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 10:28:17,320 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113681713] [2022-04-28 10:28:17,321 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113681713] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 10:28:17,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [262742553] [2022-04-28 10:28:17,321 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-04-28 10:28:17,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:28:17,321 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 10:28:17,324 INFO L229 MonitoredProcess]: Starting monitored process 61 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 10:28:17,324 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (61)] Waiting until timeout for monitored process [2022-04-28 10:28:54,148 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 31 check-sat command(s) [2022-04-28 10:28:54,148 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 10:28:54,170 WARN L261 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 128 conjunts are in the unsatisfiable core [2022-04-28 10:28:54,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:28:54,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 10:28:54,790 INFO L272 TraceCheckUtils]: 0: Hoare triple {47910#true} call ULTIMATE.init(); {47910#true} is VALID [2022-04-28 10:28:54,790 INFO L290 TraceCheckUtils]: 1: Hoare triple {47910#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {47910#true} is VALID [2022-04-28 10:28:54,791 INFO L290 TraceCheckUtils]: 2: Hoare triple {47910#true} assume true; {47910#true} is VALID [2022-04-28 10:28:54,791 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {47910#true} {47910#true} #63#return; {47910#true} is VALID [2022-04-28 10:28:54,791 INFO L272 TraceCheckUtils]: 4: Hoare triple {47910#true} call #t~ret7 := main(); {47910#true} is VALID [2022-04-28 10:28:54,791 INFO L290 TraceCheckUtils]: 5: Hoare triple {47910#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {47910#true} is VALID [2022-04-28 10:28:54,791 INFO L290 TraceCheckUtils]: 6: Hoare triple {47910#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {47910#true} is VALID [2022-04-28 10:28:54,791 INFO L290 TraceCheckUtils]: 7: Hoare triple {47910#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {47915#(= main_~z~0 0)} is VALID [2022-04-28 10:28:54,792 INFO L290 TraceCheckUtils]: 8: Hoare triple {47915#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47916#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:28:54,792 INFO L290 TraceCheckUtils]: 9: Hoare triple {47916#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47917#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:28:54,793 INFO L290 TraceCheckUtils]: 10: Hoare triple {47917#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47918#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:28:54,793 INFO L290 TraceCheckUtils]: 11: Hoare triple {47918#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47919#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:28:54,794 INFO L290 TraceCheckUtils]: 12: Hoare triple {47919#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47920#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:28:54,794 INFO L290 TraceCheckUtils]: 13: Hoare triple {47920#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47921#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:28:54,795 INFO L290 TraceCheckUtils]: 14: Hoare triple {47921#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47922#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:28:54,795 INFO L290 TraceCheckUtils]: 15: Hoare triple {47922#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47923#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:28:54,796 INFO L290 TraceCheckUtils]: 16: Hoare triple {47923#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47924#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:28:54,796 INFO L290 TraceCheckUtils]: 17: Hoare triple {47924#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47925#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:28:54,796 INFO L290 TraceCheckUtils]: 18: Hoare triple {47925#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47926#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:28:54,797 INFO L290 TraceCheckUtils]: 19: Hoare triple {47926#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47927#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:28:54,797 INFO L290 TraceCheckUtils]: 20: Hoare triple {47927#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47928#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:28:54,798 INFO L290 TraceCheckUtils]: 21: Hoare triple {47928#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47929#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:28:54,798 INFO L290 TraceCheckUtils]: 22: Hoare triple {47929#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47930#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:28:54,799 INFO L290 TraceCheckUtils]: 23: Hoare triple {47930#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47931#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:28:54,799 INFO L290 TraceCheckUtils]: 24: Hoare triple {47931#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47932#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:28:54,800 INFO L290 TraceCheckUtils]: 25: Hoare triple {47932#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47933#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:28:54,800 INFO L290 TraceCheckUtils]: 26: Hoare triple {47933#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47934#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:28:54,801 INFO L290 TraceCheckUtils]: 27: Hoare triple {47934#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47935#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 10:28:54,801 INFO L290 TraceCheckUtils]: 28: Hoare triple {47935#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47936#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 10:28:54,802 INFO L290 TraceCheckUtils]: 29: Hoare triple {47936#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47937#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 10:28:54,802 INFO L290 TraceCheckUtils]: 30: Hoare triple {47937#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47938#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 10:28:54,802 INFO L290 TraceCheckUtils]: 31: Hoare triple {47938#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47939#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 10:28:54,803 INFO L290 TraceCheckUtils]: 32: Hoare triple {47939#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47940#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 10:28:54,804 INFO L290 TraceCheckUtils]: 33: Hoare triple {47940#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47941#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 10:28:54,804 INFO L290 TraceCheckUtils]: 34: Hoare triple {47941#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47942#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 10:28:54,805 INFO L290 TraceCheckUtils]: 35: Hoare triple {47942#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47943#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 10:28:54,805 INFO L290 TraceCheckUtils]: 36: Hoare triple {47943#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47944#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 10:28:54,806 INFO L290 TraceCheckUtils]: 37: Hoare triple {47944#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47945#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 10:28:54,806 INFO L290 TraceCheckUtils]: 38: Hoare triple {47945#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47946#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 10:28:54,807 INFO L290 TraceCheckUtils]: 39: Hoare triple {47946#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47947#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 10:28:54,807 INFO L290 TraceCheckUtils]: 40: Hoare triple {47947#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47948#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 10:28:54,808 INFO L290 TraceCheckUtils]: 41: Hoare triple {47948#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47949#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 10:28:54,808 INFO L290 TraceCheckUtils]: 42: Hoare triple {47949#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47950#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 10:28:54,809 INFO L290 TraceCheckUtils]: 43: Hoare triple {47950#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47951#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 10:28:54,809 INFO L290 TraceCheckUtils]: 44: Hoare triple {47951#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47952#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 10:28:54,809 INFO L290 TraceCheckUtils]: 45: Hoare triple {47952#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47953#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 10:28:54,810 INFO L290 TraceCheckUtils]: 46: Hoare triple {47953#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47954#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 10:28:54,810 INFO L290 TraceCheckUtils]: 47: Hoare triple {47954#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47955#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 10:28:54,811 INFO L290 TraceCheckUtils]: 48: Hoare triple {47955#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47956#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 10:28:54,811 INFO L290 TraceCheckUtils]: 49: Hoare triple {47956#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47957#(and (<= 42 main_~z~0) (<= main_~z~0 42))} is VALID [2022-04-28 10:28:54,812 INFO L290 TraceCheckUtils]: 50: Hoare triple {47957#(and (<= 42 main_~z~0) (<= main_~z~0 42))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47958#(and (<= main_~z~0 43) (<= 43 main_~z~0))} is VALID [2022-04-28 10:28:54,813 INFO L290 TraceCheckUtils]: 51: Hoare triple {47958#(and (<= main_~z~0 43) (<= 43 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47959#(and (<= main_~z~0 44) (<= 44 main_~z~0))} is VALID [2022-04-28 10:28:54,813 INFO L290 TraceCheckUtils]: 52: Hoare triple {47959#(and (<= main_~z~0 44) (<= 44 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47960#(and (<= main_~z~0 45) (<= 45 main_~z~0))} is VALID [2022-04-28 10:28:54,814 INFO L290 TraceCheckUtils]: 53: Hoare triple {47960#(and (<= main_~z~0 45) (<= 45 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47961#(and (<= 46 main_~z~0) (<= main_~z~0 46))} is VALID [2022-04-28 10:28:54,814 INFO L290 TraceCheckUtils]: 54: Hoare triple {47961#(and (<= 46 main_~z~0) (<= main_~z~0 46))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47962#(and (<= main_~z~0 47) (<= 47 main_~z~0))} is VALID [2022-04-28 10:28:54,815 INFO L290 TraceCheckUtils]: 55: Hoare triple {47962#(and (<= main_~z~0 47) (<= 47 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47963#(and (<= 48 main_~z~0) (<= main_~z~0 48))} is VALID [2022-04-28 10:28:54,815 INFO L290 TraceCheckUtils]: 56: Hoare triple {47963#(and (<= 48 main_~z~0) (<= main_~z~0 48))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47964#(and (<= 49 main_~z~0) (<= main_~z~0 49))} is VALID [2022-04-28 10:28:54,816 INFO L290 TraceCheckUtils]: 57: Hoare triple {47964#(and (<= 49 main_~z~0) (<= main_~z~0 49))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47965#(and (<= 50 main_~z~0) (<= main_~z~0 50))} is VALID [2022-04-28 10:28:54,816 INFO L290 TraceCheckUtils]: 58: Hoare triple {47965#(and (<= 50 main_~z~0) (<= main_~z~0 50))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47966#(and (<= main_~z~0 51) (<= 51 main_~z~0))} is VALID [2022-04-28 10:28:54,817 INFO L290 TraceCheckUtils]: 59: Hoare triple {47966#(and (<= main_~z~0 51) (<= 51 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47967#(and (<= 52 main_~z~0) (<= main_~z~0 52))} is VALID [2022-04-28 10:28:54,817 INFO L290 TraceCheckUtils]: 60: Hoare triple {47967#(and (<= 52 main_~z~0) (<= main_~z~0 52))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47968#(and (<= 53 main_~z~0) (<= main_~z~0 53))} is VALID [2022-04-28 10:28:54,818 INFO L290 TraceCheckUtils]: 61: Hoare triple {47968#(and (<= 53 main_~z~0) (<= main_~z~0 53))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47969#(and (<= main_~z~0 54) (<= 54 main_~z~0))} is VALID [2022-04-28 10:28:54,818 INFO L290 TraceCheckUtils]: 62: Hoare triple {47969#(and (<= main_~z~0 54) (<= 54 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47970#(and (<= 55 main_~z~0) (<= main_~z~0 55))} is VALID [2022-04-28 10:28:54,819 INFO L290 TraceCheckUtils]: 63: Hoare triple {47970#(and (<= 55 main_~z~0) (<= main_~z~0 55))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47971#(and (<= 56 main_~z~0) (<= main_~z~0 56))} is VALID [2022-04-28 10:28:54,819 INFO L290 TraceCheckUtils]: 64: Hoare triple {47971#(and (<= 56 main_~z~0) (<= main_~z~0 56))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47972#(and (<= main_~z~0 57) (<= 57 main_~z~0))} is VALID [2022-04-28 10:28:54,820 INFO L290 TraceCheckUtils]: 65: Hoare triple {47972#(and (<= main_~z~0 57) (<= 57 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47973#(and (<= 58 main_~z~0) (<= main_~z~0 58))} is VALID [2022-04-28 10:28:54,820 INFO L290 TraceCheckUtils]: 66: Hoare triple {47973#(and (<= 58 main_~z~0) (<= main_~z~0 58))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {47974#(and (<= main_~z~0 59) (<= 59 main_~z~0))} is VALID [2022-04-28 10:28:54,821 INFO L290 TraceCheckUtils]: 67: Hoare triple {47974#(and (<= main_~z~0 59) (<= 59 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48181#(and (<= main_~z~0 60) (<= 60 main_~z~0))} is VALID [2022-04-28 10:28:54,821 INFO L290 TraceCheckUtils]: 68: Hoare triple {48181#(and (<= main_~z~0 60) (<= 60 main_~z~0))} assume !(~z~0 % 4294967296 < 268435455); {47911#false} is VALID [2022-04-28 10:28:54,821 INFO L272 TraceCheckUtils]: 69: Hoare triple {47911#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {47911#false} is VALID [2022-04-28 10:28:54,822 INFO L290 TraceCheckUtils]: 70: Hoare triple {47911#false} ~cond := #in~cond; {47911#false} is VALID [2022-04-28 10:28:54,822 INFO L290 TraceCheckUtils]: 71: Hoare triple {47911#false} assume 0 == ~cond; {47911#false} is VALID [2022-04-28 10:28:54,822 INFO L290 TraceCheckUtils]: 72: Hoare triple {47911#false} assume !false; {47911#false} is VALID [2022-04-28 10:28:54,822 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:28:54,822 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 10:29:14,549 INFO L290 TraceCheckUtils]: 72: Hoare triple {47911#false} assume !false; {47911#false} is VALID [2022-04-28 10:29:14,550 INFO L290 TraceCheckUtils]: 71: Hoare triple {48200#(not (<= __VERIFIER_assert_~cond 0))} assume 0 == ~cond; {47911#false} is VALID [2022-04-28 10:29:14,550 INFO L290 TraceCheckUtils]: 70: Hoare triple {48204#(< 0 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {48200#(not (<= __VERIFIER_assert_~cond 0))} is VALID [2022-04-28 10:29:14,551 INFO L272 TraceCheckUtils]: 69: Hoare triple {48208#(= (mod main_~z~0 4) 0)} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {48204#(< 0 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-28 10:29:14,551 INFO L290 TraceCheckUtils]: 68: Hoare triple {48212#(or (< (mod main_~z~0 4294967296) 268435455) (= (mod main_~z~0 4) 0))} assume !(~z~0 % 4294967296 < 268435455); {48208#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 10:29:14,552 INFO L290 TraceCheckUtils]: 67: Hoare triple {48216#(or (< (mod (+ main_~z~0 1) 4294967296) 268435455) (<= 268435455 (mod main_~z~0 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48212#(or (< (mod main_~z~0 4294967296) 268435455) (= (mod main_~z~0 4) 0))} is VALID [2022-04-28 10:29:14,552 INFO L290 TraceCheckUtils]: 66: Hoare triple {48220#(or (< (mod (+ main_~z~0 2) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 1) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48216#(or (< (mod (+ main_~z~0 1) 4294967296) 268435455) (<= 268435455 (mod main_~z~0 4294967296)))} is VALID [2022-04-28 10:29:14,553 INFO L290 TraceCheckUtils]: 65: Hoare triple {48224#(or (<= 268435455 (mod (+ main_~z~0 2) 4294967296)) (< (mod (+ main_~z~0 3) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48220#(or (< (mod (+ main_~z~0 2) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 1) 4294967296)))} is VALID [2022-04-28 10:29:14,554 INFO L290 TraceCheckUtils]: 64: Hoare triple {48228#(or (<= 268435455 (mod (+ main_~z~0 3) 4294967296)) (< (mod (+ main_~z~0 4) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48224#(or (<= 268435455 (mod (+ main_~z~0 2) 4294967296)) (< (mod (+ main_~z~0 3) 4294967296) 268435455))} is VALID [2022-04-28 10:29:14,555 INFO L290 TraceCheckUtils]: 63: Hoare triple {48232#(or (< (mod (+ 5 main_~z~0) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 4) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48228#(or (<= 268435455 (mod (+ main_~z~0 3) 4294967296)) (< (mod (+ main_~z~0 4) 4294967296) 268435455))} is VALID [2022-04-28 10:29:14,555 INFO L290 TraceCheckUtils]: 62: Hoare triple {48236#(or (< (mod (+ main_~z~0 6) 4294967296) 268435455) (<= 268435455 (mod (+ 5 main_~z~0) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48232#(or (< (mod (+ 5 main_~z~0) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 4) 4294967296)))} is VALID [2022-04-28 10:29:14,556 INFO L290 TraceCheckUtils]: 61: Hoare triple {48240#(or (< (mod (+ 7 main_~z~0) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 6) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48236#(or (< (mod (+ main_~z~0 6) 4294967296) 268435455) (<= 268435455 (mod (+ 5 main_~z~0) 4294967296)))} is VALID [2022-04-28 10:29:14,557 INFO L290 TraceCheckUtils]: 60: Hoare triple {48244#(or (< (mod (+ main_~z~0 8) 4294967296) 268435455) (<= 268435455 (mod (+ 7 main_~z~0) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48240#(or (< (mod (+ 7 main_~z~0) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 6) 4294967296)))} is VALID [2022-04-28 10:29:14,558 INFO L290 TraceCheckUtils]: 59: Hoare triple {48248#(or (<= 268435455 (mod (+ main_~z~0 8) 4294967296)) (< (mod (+ main_~z~0 9) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48244#(or (< (mod (+ main_~z~0 8) 4294967296) 268435455) (<= 268435455 (mod (+ 7 main_~z~0) 4294967296)))} is VALID [2022-04-28 10:29:14,559 INFO L290 TraceCheckUtils]: 58: Hoare triple {48252#(or (<= 268435455 (mod (+ main_~z~0 9) 4294967296)) (< (mod (+ main_~z~0 10) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48248#(or (<= 268435455 (mod (+ main_~z~0 8) 4294967296)) (< (mod (+ main_~z~0 9) 4294967296) 268435455))} is VALID [2022-04-28 10:29:14,559 INFO L290 TraceCheckUtils]: 57: Hoare triple {48256#(or (< (mod (+ main_~z~0 11) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 10) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48252#(or (<= 268435455 (mod (+ main_~z~0 9) 4294967296)) (< (mod (+ main_~z~0 10) 4294967296) 268435455))} is VALID [2022-04-28 10:29:14,560 INFO L290 TraceCheckUtils]: 56: Hoare triple {48260#(or (<= 268435455 (mod (+ main_~z~0 11) 4294967296)) (< (mod (+ main_~z~0 12) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48256#(or (< (mod (+ main_~z~0 11) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 10) 4294967296)))} is VALID [2022-04-28 10:29:14,561 INFO L290 TraceCheckUtils]: 55: Hoare triple {48264#(or (< (mod (+ main_~z~0 13) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 12) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48260#(or (<= 268435455 (mod (+ main_~z~0 11) 4294967296)) (< (mod (+ main_~z~0 12) 4294967296) 268435455))} is VALID [2022-04-28 10:29:14,562 INFO L290 TraceCheckUtils]: 54: Hoare triple {48268#(or (< (mod (+ main_~z~0 14) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 13) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48264#(or (< (mod (+ main_~z~0 13) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 12) 4294967296)))} is VALID [2022-04-28 10:29:14,562 INFO L290 TraceCheckUtils]: 53: Hoare triple {48272#(or (< (mod (+ main_~z~0 15) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 14) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48268#(or (< (mod (+ main_~z~0 14) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 13) 4294967296)))} is VALID [2022-04-28 10:29:14,563 INFO L290 TraceCheckUtils]: 52: Hoare triple {48276#(or (< (mod (+ main_~z~0 16) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 15) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48272#(or (< (mod (+ main_~z~0 15) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 14) 4294967296)))} is VALID [2022-04-28 10:29:14,564 INFO L290 TraceCheckUtils]: 51: Hoare triple {48280#(or (< (mod (+ main_~z~0 17) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 16) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48276#(or (< (mod (+ main_~z~0 16) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 15) 4294967296)))} is VALID [2022-04-28 10:29:14,565 INFO L290 TraceCheckUtils]: 50: Hoare triple {48284#(or (<= 268435455 (mod (+ main_~z~0 17) 4294967296)) (< (mod (+ main_~z~0 18) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48280#(or (< (mod (+ main_~z~0 17) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 16) 4294967296)))} is VALID [2022-04-28 10:29:14,565 INFO L290 TraceCheckUtils]: 49: Hoare triple {48288#(or (<= 268435455 (mod (+ main_~z~0 18) 4294967296)) (< (mod (+ 19 main_~z~0) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48284#(or (<= 268435455 (mod (+ main_~z~0 17) 4294967296)) (< (mod (+ main_~z~0 18) 4294967296) 268435455))} is VALID [2022-04-28 10:29:14,566 INFO L290 TraceCheckUtils]: 48: Hoare triple {48292#(or (< (mod (+ main_~z~0 20) 4294967296) 268435455) (<= 268435455 (mod (+ 19 main_~z~0) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48288#(or (<= 268435455 (mod (+ main_~z~0 18) 4294967296)) (< (mod (+ 19 main_~z~0) 4294967296) 268435455))} is VALID [2022-04-28 10:29:14,567 INFO L290 TraceCheckUtils]: 47: Hoare triple {48296#(or (< (mod (+ main_~z~0 21) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 20) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48292#(or (< (mod (+ main_~z~0 20) 4294967296) 268435455) (<= 268435455 (mod (+ 19 main_~z~0) 4294967296)))} is VALID [2022-04-28 10:29:14,567 INFO L290 TraceCheckUtils]: 46: Hoare triple {48300#(or (<= 268435455 (mod (+ main_~z~0 21) 4294967296)) (< (mod (+ main_~z~0 22) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48296#(or (< (mod (+ main_~z~0 21) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 20) 4294967296)))} is VALID [2022-04-28 10:29:14,568 INFO L290 TraceCheckUtils]: 45: Hoare triple {48304#(or (<= 268435455 (mod (+ main_~z~0 22) 4294967296)) (< (mod (+ 23 main_~z~0) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48300#(or (<= 268435455 (mod (+ main_~z~0 21) 4294967296)) (< (mod (+ main_~z~0 22) 4294967296) 268435455))} is VALID [2022-04-28 10:29:14,569 INFO L290 TraceCheckUtils]: 44: Hoare triple {48308#(or (< (mod (+ main_~z~0 24) 4294967296) 268435455) (<= 268435455 (mod (+ 23 main_~z~0) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48304#(or (<= 268435455 (mod (+ main_~z~0 22) 4294967296)) (< (mod (+ 23 main_~z~0) 4294967296) 268435455))} is VALID [2022-04-28 10:29:14,570 INFO L290 TraceCheckUtils]: 43: Hoare triple {48312#(or (<= 268435455 (mod (+ main_~z~0 24) 4294967296)) (< (mod (+ main_~z~0 25) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48308#(or (< (mod (+ main_~z~0 24) 4294967296) 268435455) (<= 268435455 (mod (+ 23 main_~z~0) 4294967296)))} is VALID [2022-04-28 10:29:14,570 INFO L290 TraceCheckUtils]: 42: Hoare triple {48316#(or (<= 268435455 (mod (+ main_~z~0 25) 4294967296)) (< (mod (+ main_~z~0 26) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48312#(or (<= 268435455 (mod (+ main_~z~0 24) 4294967296)) (< (mod (+ main_~z~0 25) 4294967296) 268435455))} is VALID [2022-04-28 10:29:14,575 INFO L290 TraceCheckUtils]: 41: Hoare triple {48320#(or (< (mod (+ main_~z~0 27) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 26) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48316#(or (<= 268435455 (mod (+ main_~z~0 25) 4294967296)) (< (mod (+ main_~z~0 26) 4294967296) 268435455))} is VALID [2022-04-28 10:29:14,576 INFO L290 TraceCheckUtils]: 40: Hoare triple {48324#(or (< (mod (+ main_~z~0 28) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 27) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48320#(or (< (mod (+ main_~z~0 27) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 26) 4294967296)))} is VALID [2022-04-28 10:29:14,577 INFO L290 TraceCheckUtils]: 39: Hoare triple {48328#(or (<= 268435455 (mod (+ main_~z~0 28) 4294967296)) (< (mod (+ 29 main_~z~0) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48324#(or (< (mod (+ main_~z~0 28) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 27) 4294967296)))} is VALID [2022-04-28 10:29:14,577 INFO L290 TraceCheckUtils]: 38: Hoare triple {48332#(or (< (mod (+ 30 main_~z~0) 4294967296) 268435455) (<= 268435455 (mod (+ 29 main_~z~0) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48328#(or (<= 268435455 (mod (+ main_~z~0 28) 4294967296)) (< (mod (+ 29 main_~z~0) 4294967296) 268435455))} is VALID [2022-04-28 10:29:14,578 INFO L290 TraceCheckUtils]: 37: Hoare triple {48336#(or (<= 268435455 (mod (+ 30 main_~z~0) 4294967296)) (< (mod (+ main_~z~0 31) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48332#(or (< (mod (+ 30 main_~z~0) 4294967296) 268435455) (<= 268435455 (mod (+ 29 main_~z~0) 4294967296)))} is VALID [2022-04-28 10:29:14,579 INFO L290 TraceCheckUtils]: 36: Hoare triple {48340#(or (<= 268435455 (mod (+ main_~z~0 31) 4294967296)) (< (mod (+ 32 main_~z~0) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48336#(or (<= 268435455 (mod (+ 30 main_~z~0) 4294967296)) (< (mod (+ main_~z~0 31) 4294967296) 268435455))} is VALID [2022-04-28 10:29:14,580 INFO L290 TraceCheckUtils]: 35: Hoare triple {48344#(or (< (mod (+ main_~z~0 33) 4294967296) 268435455) (<= 268435455 (mod (+ 32 main_~z~0) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48340#(or (<= 268435455 (mod (+ main_~z~0 31) 4294967296)) (< (mod (+ 32 main_~z~0) 4294967296) 268435455))} is VALID [2022-04-28 10:29:14,580 INFO L290 TraceCheckUtils]: 34: Hoare triple {48348#(or (<= 268435455 (mod (+ main_~z~0 33) 4294967296)) (< (mod (+ main_~z~0 34) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48344#(or (< (mod (+ main_~z~0 33) 4294967296) 268435455) (<= 268435455 (mod (+ 32 main_~z~0) 4294967296)))} is VALID [2022-04-28 10:29:14,581 INFO L290 TraceCheckUtils]: 33: Hoare triple {48352#(or (<= 268435455 (mod (+ main_~z~0 34) 4294967296)) (< (mod (+ 35 main_~z~0) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48348#(or (<= 268435455 (mod (+ main_~z~0 33) 4294967296)) (< (mod (+ main_~z~0 34) 4294967296) 268435455))} is VALID [2022-04-28 10:29:14,582 INFO L290 TraceCheckUtils]: 32: Hoare triple {48356#(or (< (mod (+ main_~z~0 36) 4294967296) 268435455) (<= 268435455 (mod (+ 35 main_~z~0) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48352#(or (<= 268435455 (mod (+ main_~z~0 34) 4294967296)) (< (mod (+ 35 main_~z~0) 4294967296) 268435455))} is VALID [2022-04-28 10:29:14,582 INFO L290 TraceCheckUtils]: 31: Hoare triple {48360#(or (< (mod (+ main_~z~0 37) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 36) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48356#(or (< (mod (+ main_~z~0 36) 4294967296) 268435455) (<= 268435455 (mod (+ 35 main_~z~0) 4294967296)))} is VALID [2022-04-28 10:29:14,583 INFO L290 TraceCheckUtils]: 30: Hoare triple {48364#(or (< (mod (+ main_~z~0 38) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 37) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48360#(or (< (mod (+ main_~z~0 37) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 36) 4294967296)))} is VALID [2022-04-28 10:29:14,584 INFO L290 TraceCheckUtils]: 29: Hoare triple {48368#(or (< (mod (+ main_~z~0 39) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 38) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48364#(or (< (mod (+ main_~z~0 38) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 37) 4294967296)))} is VALID [2022-04-28 10:29:14,585 INFO L290 TraceCheckUtils]: 28: Hoare triple {48372#(or (< (mod (+ 40 main_~z~0) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 39) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48368#(or (< (mod (+ main_~z~0 39) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 38) 4294967296)))} is VALID [2022-04-28 10:29:14,586 INFO L290 TraceCheckUtils]: 27: Hoare triple {48376#(or (<= 268435455 (mod (+ 40 main_~z~0) 4294967296)) (< (mod (+ 41 main_~z~0) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48372#(or (< (mod (+ 40 main_~z~0) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 39) 4294967296)))} is VALID [2022-04-28 10:29:14,586 INFO L290 TraceCheckUtils]: 26: Hoare triple {48380#(or (< (mod (+ 42 main_~z~0) 4294967296) 268435455) (<= 268435455 (mod (+ 41 main_~z~0) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48376#(or (<= 268435455 (mod (+ 40 main_~z~0) 4294967296)) (< (mod (+ 41 main_~z~0) 4294967296) 268435455))} is VALID [2022-04-28 10:29:14,587 INFO L290 TraceCheckUtils]: 25: Hoare triple {48384#(or (< (mod (+ main_~z~0 43) 4294967296) 268435455) (<= 268435455 (mod (+ 42 main_~z~0) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48380#(or (< (mod (+ 42 main_~z~0) 4294967296) 268435455) (<= 268435455 (mod (+ 41 main_~z~0) 4294967296)))} is VALID [2022-04-28 10:29:14,588 INFO L290 TraceCheckUtils]: 24: Hoare triple {48388#(or (< (mod (+ 44 main_~z~0) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 43) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48384#(or (< (mod (+ main_~z~0 43) 4294967296) 268435455) (<= 268435455 (mod (+ 42 main_~z~0) 4294967296)))} is VALID [2022-04-28 10:29:14,588 INFO L290 TraceCheckUtils]: 23: Hoare triple {48392#(or (< (mod (+ main_~z~0 45) 4294967296) 268435455) (<= 268435455 (mod (+ 44 main_~z~0) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48388#(or (< (mod (+ 44 main_~z~0) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 43) 4294967296)))} is VALID [2022-04-28 10:29:14,589 INFO L290 TraceCheckUtils]: 22: Hoare triple {48396#(or (< (mod (+ main_~z~0 46) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 45) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48392#(or (< (mod (+ main_~z~0 45) 4294967296) 268435455) (<= 268435455 (mod (+ 44 main_~z~0) 4294967296)))} is VALID [2022-04-28 10:29:14,590 INFO L290 TraceCheckUtils]: 21: Hoare triple {48400#(or (< (mod (+ main_~z~0 47) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 46) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48396#(or (< (mod (+ main_~z~0 46) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 45) 4294967296)))} is VALID [2022-04-28 10:29:14,591 INFO L290 TraceCheckUtils]: 20: Hoare triple {48404#(or (<= 268435455 (mod (+ main_~z~0 47) 4294967296)) (< (mod (+ main_~z~0 48) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48400#(or (< (mod (+ main_~z~0 47) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 46) 4294967296)))} is VALID [2022-04-28 10:29:14,591 INFO L290 TraceCheckUtils]: 19: Hoare triple {48408#(or (<= 268435455 (mod (+ main_~z~0 48) 4294967296)) (< (mod (+ 49 main_~z~0) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48404#(or (<= 268435455 (mod (+ main_~z~0 47) 4294967296)) (< (mod (+ main_~z~0 48) 4294967296) 268435455))} is VALID [2022-04-28 10:29:14,592 INFO L290 TraceCheckUtils]: 18: Hoare triple {48412#(or (< (mod (+ main_~z~0 50) 4294967296) 268435455) (<= 268435455 (mod (+ 49 main_~z~0) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48408#(or (<= 268435455 (mod (+ main_~z~0 48) 4294967296)) (< (mod (+ 49 main_~z~0) 4294967296) 268435455))} is VALID [2022-04-28 10:29:14,593 INFO L290 TraceCheckUtils]: 17: Hoare triple {48416#(or (< (mod (+ 51 main_~z~0) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 50) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48412#(or (< (mod (+ main_~z~0 50) 4294967296) 268435455) (<= 268435455 (mod (+ 49 main_~z~0) 4294967296)))} is VALID [2022-04-28 10:29:14,594 INFO L290 TraceCheckUtils]: 16: Hoare triple {48420#(or (<= 268435455 (mod (+ 51 main_~z~0) 4294967296)) (< (mod (+ main_~z~0 52) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48416#(or (< (mod (+ 51 main_~z~0) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 50) 4294967296)))} is VALID [2022-04-28 10:29:14,594 INFO L290 TraceCheckUtils]: 15: Hoare triple {48424#(or (< (mod (+ 53 main_~z~0) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 52) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48420#(or (<= 268435455 (mod (+ 51 main_~z~0) 4294967296)) (< (mod (+ main_~z~0 52) 4294967296) 268435455))} is VALID [2022-04-28 10:29:14,595 INFO L290 TraceCheckUtils]: 14: Hoare triple {48428#(or (< (mod (+ main_~z~0 54) 4294967296) 268435455) (<= 268435455 (mod (+ 53 main_~z~0) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48424#(or (< (mod (+ 53 main_~z~0) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 52) 4294967296)))} is VALID [2022-04-28 10:29:14,596 INFO L290 TraceCheckUtils]: 13: Hoare triple {48432#(or (< (mod (+ main_~z~0 55) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 54) 4294967296)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48428#(or (< (mod (+ main_~z~0 54) 4294967296) 268435455) (<= 268435455 (mod (+ 53 main_~z~0) 4294967296)))} is VALID [2022-04-28 10:29:14,596 INFO L290 TraceCheckUtils]: 12: Hoare triple {48436#(or (<= 268435455 (mod (+ main_~z~0 55) 4294967296)) (< (mod (+ 56 main_~z~0) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48432#(or (< (mod (+ main_~z~0 55) 4294967296) 268435455) (<= 268435455 (mod (+ main_~z~0 54) 4294967296)))} is VALID [2022-04-28 10:29:14,597 INFO L290 TraceCheckUtils]: 11: Hoare triple {48440#(or (<= 268435455 (mod (+ 56 main_~z~0) 4294967296)) (< (mod (+ 57 main_~z~0) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48436#(or (<= 268435455 (mod (+ main_~z~0 55) 4294967296)) (< (mod (+ 56 main_~z~0) 4294967296) 268435455))} is VALID [2022-04-28 10:29:14,598 INFO L290 TraceCheckUtils]: 10: Hoare triple {48444#(or (<= 268435455 (mod (+ 57 main_~z~0) 4294967296)) (< (mod (+ main_~z~0 58) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48440#(or (<= 268435455 (mod (+ 56 main_~z~0) 4294967296)) (< (mod (+ 57 main_~z~0) 4294967296) 268435455))} is VALID [2022-04-28 10:29:14,599 INFO L290 TraceCheckUtils]: 9: Hoare triple {48448#(or (<= 268435455 (mod (+ main_~z~0 58) 4294967296)) (< (mod (+ 59 main_~z~0) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48444#(or (<= 268435455 (mod (+ 57 main_~z~0) 4294967296)) (< (mod (+ main_~z~0 58) 4294967296) 268435455))} is VALID [2022-04-28 10:29:14,599 INFO L290 TraceCheckUtils]: 8: Hoare triple {48452#(or (<= 268435455 (mod (+ 59 main_~z~0) 4294967296)) (< (mod (+ main_~z~0 60) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {48448#(or (<= 268435455 (mod (+ main_~z~0 58) 4294967296)) (< (mod (+ 59 main_~z~0) 4294967296) 268435455))} is VALID [2022-04-28 10:29:14,600 INFO L290 TraceCheckUtils]: 7: Hoare triple {47910#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {48452#(or (<= 268435455 (mod (+ 59 main_~z~0) 4294967296)) (< (mod (+ main_~z~0 60) 4294967296) 268435455))} is VALID [2022-04-28 10:29:14,600 INFO L290 TraceCheckUtils]: 6: Hoare triple {47910#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {47910#true} is VALID [2022-04-28 10:29:14,600 INFO L290 TraceCheckUtils]: 5: Hoare triple {47910#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {47910#true} is VALID [2022-04-28 10:29:14,600 INFO L272 TraceCheckUtils]: 4: Hoare triple {47910#true} call #t~ret7 := main(); {47910#true} is VALID [2022-04-28 10:29:14,600 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {47910#true} {47910#true} #63#return; {47910#true} is VALID [2022-04-28 10:29:14,600 INFO L290 TraceCheckUtils]: 2: Hoare triple {47910#true} assume true; {47910#true} is VALID [2022-04-28 10:29:14,600 INFO L290 TraceCheckUtils]: 1: Hoare triple {47910#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {47910#true} is VALID [2022-04-28 10:29:14,600 INFO L272 TraceCheckUtils]: 0: Hoare triple {47910#true} call ULTIMATE.init(); {47910#true} is VALID [2022-04-28 10:29:14,601 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:29:14,601 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [262742553] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 10:29:14,601 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 10:29:14,601 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [64, 63, 66] total 129 [2022-04-28 10:29:14,601 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 10:29:14,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [182972781] [2022-04-28 10:29:14,601 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [182972781] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 10:29:14,601 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 10:29:14,601 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [64] imperfect sequences [] total 64 [2022-04-28 10:29:14,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877409901] [2022-04-28 10:29:14,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 10:29:14,602 INFO L78 Accepts]: Start accepts. Automaton has has 64 states, 64 states have (on average 1.078125) internal successors, (69), 63 states have internal predecessors, (69), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 73 [2022-04-28 10:29:14,602 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 10:29:14,602 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 64 states, 64 states have (on average 1.078125) internal successors, (69), 63 states have internal predecessors, (69), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:29:14,640 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 73 edges. 73 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:29:14,640 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2022-04-28 10:29:14,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 10:29:14,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2022-04-28 10:29:14,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4159, Invalid=12352, Unknown=1, NotChecked=0, Total=16512 [2022-04-28 10:29:14,642 INFO L87 Difference]: Start difference. First operand 82 states and 86 transitions. Second operand has 64 states, 64 states have (on average 1.078125) internal successors, (69), 63 states have internal predecessors, (69), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:29:21,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:29:21,690 INFO L93 Difference]: Finished difference Result 159 states and 168 transitions. [2022-04-28 10:29:21,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2022-04-28 10:29:21,690 INFO L78 Accepts]: Start accepts. Automaton has has 64 states, 64 states have (on average 1.078125) internal successors, (69), 63 states have internal predecessors, (69), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 73 [2022-04-28 10:29:21,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 10:29:21,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 64 states have (on average 1.078125) internal successors, (69), 63 states have internal predecessors, (69), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:29:21,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 106 transitions. [2022-04-28 10:29:21,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 64 states have (on average 1.078125) internal successors, (69), 63 states have internal predecessors, (69), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:29:21,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 106 transitions. [2022-04-28 10:29:21,693 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 64 states and 106 transitions. [2022-04-28 10:29:21,759 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 106 edges. 106 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:29:21,760 INFO L225 Difference]: With dead ends: 159 [2022-04-28 10:29:21,760 INFO L226 Difference]: Without dead ends: 84 [2022-04-28 10:29:21,763 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 84 SyntacticMatches, 1 SemanticMatches, 188 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2314 ImplicationChecksByTransitivity, 22.3s TimeCoverageRelationStatistics Valid=8259, Invalid=27650, Unknown=1, NotChecked=0, Total=35910 [2022-04-28 10:29:21,764 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 17 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 3949 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 4076 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 3949 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-04-28 10:29:21,764 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 78 Invalid, 4076 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 3949 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-04-28 10:29:21,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2022-04-28 10:29:21,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 83. [2022-04-28 10:29:21,878 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 10:29:21,878 INFO L82 GeneralOperation]: Start isEquivalent. First operand 84 states. Second operand has 83 states, 75 states have (on average 1.0533333333333332) internal successors, (79), 76 states have internal predecessors, (79), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:29:21,878 INFO L74 IsIncluded]: Start isIncluded. First operand 84 states. Second operand has 83 states, 75 states have (on average 1.0533333333333332) internal successors, (79), 76 states have internal predecessors, (79), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:29:21,878 INFO L87 Difference]: Start difference. First operand 84 states. Second operand has 83 states, 75 states have (on average 1.0533333333333332) internal successors, (79), 76 states have internal predecessors, (79), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:29:21,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:29:21,879 INFO L93 Difference]: Finished difference Result 84 states and 88 transitions. [2022-04-28 10:29:21,879 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 88 transitions. [2022-04-28 10:29:21,879 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:29:21,879 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:29:21,879 INFO L74 IsIncluded]: Start isIncluded. First operand has 83 states, 75 states have (on average 1.0533333333333332) internal successors, (79), 76 states have internal predecessors, (79), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 84 states. [2022-04-28 10:29:21,879 INFO L87 Difference]: Start difference. First operand has 83 states, 75 states have (on average 1.0533333333333332) internal successors, (79), 76 states have internal predecessors, (79), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 84 states. [2022-04-28 10:29:21,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:29:21,880 INFO L93 Difference]: Finished difference Result 84 states and 88 transitions. [2022-04-28 10:29:21,880 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 88 transitions. [2022-04-28 10:29:21,880 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:29:21,880 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:29:21,880 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 10:29:21,880 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 10:29:21,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 75 states have (on average 1.0533333333333332) internal successors, (79), 76 states have internal predecessors, (79), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:29:21,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 87 transitions. [2022-04-28 10:29:21,881 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 87 transitions. Word has length 73 [2022-04-28 10:29:21,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 10:29:21,881 INFO L495 AbstractCegarLoop]: Abstraction has 83 states and 87 transitions. [2022-04-28 10:29:21,881 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 64 states have (on average 1.078125) internal successors, (69), 63 states have internal predecessors, (69), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:29:21,881 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 83 states and 87 transitions. [2022-04-28 10:29:21,969 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 87 edges. 87 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:29:21,969 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 87 transitions. [2022-04-28 10:29:21,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-04-28 10:29:21,969 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 10:29:21,970 INFO L195 NwaCegarLoop]: trace histogram [61, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 10:29:21,977 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (61)] Forceful destruction successful, exit code 0 [2022-04-28 10:29:22,170 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63,61 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:29:22,170 INFO L420 AbstractCegarLoop]: === Iteration 65 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 10:29:22,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 10:29:22,170 INFO L85 PathProgramCache]: Analyzing trace with hash -1343380126, now seen corresponding path program 121 times [2022-04-28 10:29:22,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 10:29:22,170 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [37625896] [2022-04-28 10:29:22,172 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-28 10:29:22,173 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-28 10:29:22,173 INFO L85 PathProgramCache]: Analyzing trace with hash -1343380126, now seen corresponding path program 122 times [2022-04-28 10:29:22,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 10:29:22,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499923588] [2022-04-28 10:29:22,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 10:29:22,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 10:29:22,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:29:23,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 10:29:23,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:29:23,930 INFO L290 TraceCheckUtils]: 0: Hoare triple {49321#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {49254#true} is VALID [2022-04-28 10:29:23,930 INFO L290 TraceCheckUtils]: 1: Hoare triple {49254#true} assume true; {49254#true} is VALID [2022-04-28 10:29:23,930 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {49254#true} {49254#true} #63#return; {49254#true} is VALID [2022-04-28 10:29:23,931 INFO L272 TraceCheckUtils]: 0: Hoare triple {49254#true} call ULTIMATE.init(); {49321#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 10:29:23,931 INFO L290 TraceCheckUtils]: 1: Hoare triple {49321#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {49254#true} is VALID [2022-04-28 10:29:23,931 INFO L290 TraceCheckUtils]: 2: Hoare triple {49254#true} assume true; {49254#true} is VALID [2022-04-28 10:29:23,931 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {49254#true} {49254#true} #63#return; {49254#true} is VALID [2022-04-28 10:29:23,931 INFO L272 TraceCheckUtils]: 4: Hoare triple {49254#true} call #t~ret7 := main(); {49254#true} is VALID [2022-04-28 10:29:23,931 INFO L290 TraceCheckUtils]: 5: Hoare triple {49254#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {49254#true} is VALID [2022-04-28 10:29:23,931 INFO L290 TraceCheckUtils]: 6: Hoare triple {49254#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {49254#true} is VALID [2022-04-28 10:29:23,932 INFO L290 TraceCheckUtils]: 7: Hoare triple {49254#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {49259#(= main_~z~0 0)} is VALID [2022-04-28 10:29:23,932 INFO L290 TraceCheckUtils]: 8: Hoare triple {49259#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49260#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:29:23,933 INFO L290 TraceCheckUtils]: 9: Hoare triple {49260#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49261#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:29:23,933 INFO L290 TraceCheckUtils]: 10: Hoare triple {49261#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49262#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:29:23,934 INFO L290 TraceCheckUtils]: 11: Hoare triple {49262#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49263#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:29:23,934 INFO L290 TraceCheckUtils]: 12: Hoare triple {49263#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49264#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:29:23,935 INFO L290 TraceCheckUtils]: 13: Hoare triple {49264#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49265#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:29:23,935 INFO L290 TraceCheckUtils]: 14: Hoare triple {49265#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49266#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:29:23,936 INFO L290 TraceCheckUtils]: 15: Hoare triple {49266#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49267#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:29:23,936 INFO L290 TraceCheckUtils]: 16: Hoare triple {49267#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49268#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:29:23,937 INFO L290 TraceCheckUtils]: 17: Hoare triple {49268#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49269#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:29:23,937 INFO L290 TraceCheckUtils]: 18: Hoare triple {49269#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49270#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:29:23,938 INFO L290 TraceCheckUtils]: 19: Hoare triple {49270#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49271#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:29:23,939 INFO L290 TraceCheckUtils]: 20: Hoare triple {49271#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49272#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:29:23,939 INFO L290 TraceCheckUtils]: 21: Hoare triple {49272#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49273#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:29:23,940 INFO L290 TraceCheckUtils]: 22: Hoare triple {49273#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49274#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:29:23,940 INFO L290 TraceCheckUtils]: 23: Hoare triple {49274#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49275#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:29:23,941 INFO L290 TraceCheckUtils]: 24: Hoare triple {49275#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49276#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:29:23,941 INFO L290 TraceCheckUtils]: 25: Hoare triple {49276#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49277#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:29:23,942 INFO L290 TraceCheckUtils]: 26: Hoare triple {49277#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49278#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:29:23,942 INFO L290 TraceCheckUtils]: 27: Hoare triple {49278#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49279#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 10:29:23,943 INFO L290 TraceCheckUtils]: 28: Hoare triple {49279#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49280#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 10:29:23,943 INFO L290 TraceCheckUtils]: 29: Hoare triple {49280#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49281#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 10:29:23,944 INFO L290 TraceCheckUtils]: 30: Hoare triple {49281#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49282#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 10:29:23,944 INFO L290 TraceCheckUtils]: 31: Hoare triple {49282#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49283#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 10:29:23,945 INFO L290 TraceCheckUtils]: 32: Hoare triple {49283#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49284#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 10:29:23,945 INFO L290 TraceCheckUtils]: 33: Hoare triple {49284#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49285#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 10:29:23,946 INFO L290 TraceCheckUtils]: 34: Hoare triple {49285#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49286#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 10:29:23,946 INFO L290 TraceCheckUtils]: 35: Hoare triple {49286#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49287#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 10:29:23,947 INFO L290 TraceCheckUtils]: 36: Hoare triple {49287#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49288#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 10:29:23,948 INFO L290 TraceCheckUtils]: 37: Hoare triple {49288#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49289#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 10:29:23,948 INFO L290 TraceCheckUtils]: 38: Hoare triple {49289#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49290#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 10:29:23,949 INFO L290 TraceCheckUtils]: 39: Hoare triple {49290#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49291#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 10:29:23,949 INFO L290 TraceCheckUtils]: 40: Hoare triple {49291#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49292#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 10:29:23,950 INFO L290 TraceCheckUtils]: 41: Hoare triple {49292#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49293#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 10:29:23,950 INFO L290 TraceCheckUtils]: 42: Hoare triple {49293#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49294#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 10:29:23,951 INFO L290 TraceCheckUtils]: 43: Hoare triple {49294#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49295#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 10:29:23,951 INFO L290 TraceCheckUtils]: 44: Hoare triple {49295#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49296#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 10:29:23,952 INFO L290 TraceCheckUtils]: 45: Hoare triple {49296#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49297#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 10:29:23,952 INFO L290 TraceCheckUtils]: 46: Hoare triple {49297#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49298#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 10:29:23,953 INFO L290 TraceCheckUtils]: 47: Hoare triple {49298#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49299#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 10:29:23,953 INFO L290 TraceCheckUtils]: 48: Hoare triple {49299#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49300#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 10:29:23,954 INFO L290 TraceCheckUtils]: 49: Hoare triple {49300#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49301#(and (<= 42 main_~z~0) (<= main_~z~0 42))} is VALID [2022-04-28 10:29:23,954 INFO L290 TraceCheckUtils]: 50: Hoare triple {49301#(and (<= 42 main_~z~0) (<= main_~z~0 42))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49302#(and (<= main_~z~0 43) (<= 43 main_~z~0))} is VALID [2022-04-28 10:29:23,955 INFO L290 TraceCheckUtils]: 51: Hoare triple {49302#(and (<= main_~z~0 43) (<= 43 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49303#(and (<= main_~z~0 44) (<= 44 main_~z~0))} is VALID [2022-04-28 10:29:23,955 INFO L290 TraceCheckUtils]: 52: Hoare triple {49303#(and (<= main_~z~0 44) (<= 44 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49304#(and (<= main_~z~0 45) (<= 45 main_~z~0))} is VALID [2022-04-28 10:29:23,956 INFO L290 TraceCheckUtils]: 53: Hoare triple {49304#(and (<= main_~z~0 45) (<= 45 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49305#(and (<= 46 main_~z~0) (<= main_~z~0 46))} is VALID [2022-04-28 10:29:23,956 INFO L290 TraceCheckUtils]: 54: Hoare triple {49305#(and (<= 46 main_~z~0) (<= main_~z~0 46))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49306#(and (<= main_~z~0 47) (<= 47 main_~z~0))} is VALID [2022-04-28 10:29:23,957 INFO L290 TraceCheckUtils]: 55: Hoare triple {49306#(and (<= main_~z~0 47) (<= 47 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49307#(and (<= 48 main_~z~0) (<= main_~z~0 48))} is VALID [2022-04-28 10:29:23,958 INFO L290 TraceCheckUtils]: 56: Hoare triple {49307#(and (<= 48 main_~z~0) (<= main_~z~0 48))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49308#(and (<= 49 main_~z~0) (<= main_~z~0 49))} is VALID [2022-04-28 10:29:23,958 INFO L290 TraceCheckUtils]: 57: Hoare triple {49308#(and (<= 49 main_~z~0) (<= main_~z~0 49))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49309#(and (<= 50 main_~z~0) (<= main_~z~0 50))} is VALID [2022-04-28 10:29:23,959 INFO L290 TraceCheckUtils]: 58: Hoare triple {49309#(and (<= 50 main_~z~0) (<= main_~z~0 50))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49310#(and (<= main_~z~0 51) (<= 51 main_~z~0))} is VALID [2022-04-28 10:29:23,959 INFO L290 TraceCheckUtils]: 59: Hoare triple {49310#(and (<= main_~z~0 51) (<= 51 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49311#(and (<= 52 main_~z~0) (<= main_~z~0 52))} is VALID [2022-04-28 10:29:23,960 INFO L290 TraceCheckUtils]: 60: Hoare triple {49311#(and (<= 52 main_~z~0) (<= main_~z~0 52))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49312#(and (<= 53 main_~z~0) (<= main_~z~0 53))} is VALID [2022-04-28 10:29:23,960 INFO L290 TraceCheckUtils]: 61: Hoare triple {49312#(and (<= 53 main_~z~0) (<= main_~z~0 53))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49313#(and (<= main_~z~0 54) (<= 54 main_~z~0))} is VALID [2022-04-28 10:29:23,961 INFO L290 TraceCheckUtils]: 62: Hoare triple {49313#(and (<= main_~z~0 54) (<= 54 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49314#(and (<= 55 main_~z~0) (<= main_~z~0 55))} is VALID [2022-04-28 10:29:23,961 INFO L290 TraceCheckUtils]: 63: Hoare triple {49314#(and (<= 55 main_~z~0) (<= main_~z~0 55))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49315#(and (<= 56 main_~z~0) (<= main_~z~0 56))} is VALID [2022-04-28 10:29:23,962 INFO L290 TraceCheckUtils]: 64: Hoare triple {49315#(and (<= 56 main_~z~0) (<= main_~z~0 56))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49316#(and (<= main_~z~0 57) (<= 57 main_~z~0))} is VALID [2022-04-28 10:29:23,962 INFO L290 TraceCheckUtils]: 65: Hoare triple {49316#(and (<= main_~z~0 57) (<= 57 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49317#(and (<= 58 main_~z~0) (<= main_~z~0 58))} is VALID [2022-04-28 10:29:23,963 INFO L290 TraceCheckUtils]: 66: Hoare triple {49317#(and (<= 58 main_~z~0) (<= main_~z~0 58))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49318#(and (<= main_~z~0 59) (<= 59 main_~z~0))} is VALID [2022-04-28 10:29:23,963 INFO L290 TraceCheckUtils]: 67: Hoare triple {49318#(and (<= main_~z~0 59) (<= 59 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49319#(and (<= main_~z~0 60) (<= 60 main_~z~0))} is VALID [2022-04-28 10:29:23,964 INFO L290 TraceCheckUtils]: 68: Hoare triple {49319#(and (<= main_~z~0 60) (<= 60 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49320#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 61))} is VALID [2022-04-28 10:29:23,964 INFO L290 TraceCheckUtils]: 69: Hoare triple {49320#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 61))} assume !(~z~0 % 4294967296 < 268435455); {49255#false} is VALID [2022-04-28 10:29:23,964 INFO L272 TraceCheckUtils]: 70: Hoare triple {49255#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {49255#false} is VALID [2022-04-28 10:29:23,965 INFO L290 TraceCheckUtils]: 71: Hoare triple {49255#false} ~cond := #in~cond; {49255#false} is VALID [2022-04-28 10:29:23,965 INFO L290 TraceCheckUtils]: 72: Hoare triple {49255#false} assume 0 == ~cond; {49255#false} is VALID [2022-04-28 10:29:23,965 INFO L290 TraceCheckUtils]: 73: Hoare triple {49255#false} assume !false; {49255#false} is VALID [2022-04-28 10:29:23,965 INFO L134 CoverageAnalysis]: Checked inductivity of 1891 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:29:23,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 10:29:23,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499923588] [2022-04-28 10:29:23,965 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499923588] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 10:29:23,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1815741167] [2022-04-28 10:29:23,966 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-28 10:29:23,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:29:23,966 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 10:29:23,967 INFO L229 MonitoredProcess]: Starting monitored process 62 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 10:29:23,967 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (62)] Waiting until timeout for monitored process [2022-04-28 10:29:24,232 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-28 10:29:24,232 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 10:29:24,235 WARN L261 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 125 conjunts are in the unsatisfiable core [2022-04-28 10:29:24,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:29:24,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 10:29:24,934 INFO L272 TraceCheckUtils]: 0: Hoare triple {49254#true} call ULTIMATE.init(); {49254#true} is VALID [2022-04-28 10:29:24,934 INFO L290 TraceCheckUtils]: 1: Hoare triple {49254#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {49254#true} is VALID [2022-04-28 10:29:24,934 INFO L290 TraceCheckUtils]: 2: Hoare triple {49254#true} assume true; {49254#true} is VALID [2022-04-28 10:29:24,934 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {49254#true} {49254#true} #63#return; {49254#true} is VALID [2022-04-28 10:29:24,934 INFO L272 TraceCheckUtils]: 4: Hoare triple {49254#true} call #t~ret7 := main(); {49254#true} is VALID [2022-04-28 10:29:24,934 INFO L290 TraceCheckUtils]: 5: Hoare triple {49254#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {49254#true} is VALID [2022-04-28 10:29:24,934 INFO L290 TraceCheckUtils]: 6: Hoare triple {49254#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {49254#true} is VALID [2022-04-28 10:29:24,935 INFO L290 TraceCheckUtils]: 7: Hoare triple {49254#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {49259#(= main_~z~0 0)} is VALID [2022-04-28 10:29:24,935 INFO L290 TraceCheckUtils]: 8: Hoare triple {49259#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49260#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:29:24,936 INFO L290 TraceCheckUtils]: 9: Hoare triple {49260#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49261#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:29:24,936 INFO L290 TraceCheckUtils]: 10: Hoare triple {49261#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49262#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:29:24,936 INFO L290 TraceCheckUtils]: 11: Hoare triple {49262#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49263#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:29:24,937 INFO L290 TraceCheckUtils]: 12: Hoare triple {49263#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49264#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:29:24,937 INFO L290 TraceCheckUtils]: 13: Hoare triple {49264#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49265#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:29:24,938 INFO L290 TraceCheckUtils]: 14: Hoare triple {49265#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49266#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:29:24,938 INFO L290 TraceCheckUtils]: 15: Hoare triple {49266#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49267#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:29:24,939 INFO L290 TraceCheckUtils]: 16: Hoare triple {49267#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49268#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:29:24,939 INFO L290 TraceCheckUtils]: 17: Hoare triple {49268#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49269#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:29:24,940 INFO L290 TraceCheckUtils]: 18: Hoare triple {49269#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49270#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:29:24,941 INFO L290 TraceCheckUtils]: 19: Hoare triple {49270#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49271#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:29:24,941 INFO L290 TraceCheckUtils]: 20: Hoare triple {49271#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49272#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:29:24,942 INFO L290 TraceCheckUtils]: 21: Hoare triple {49272#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49273#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:29:24,942 INFO L290 TraceCheckUtils]: 22: Hoare triple {49273#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49274#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:29:24,943 INFO L290 TraceCheckUtils]: 23: Hoare triple {49274#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49275#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:29:24,943 INFO L290 TraceCheckUtils]: 24: Hoare triple {49275#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49276#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:29:24,944 INFO L290 TraceCheckUtils]: 25: Hoare triple {49276#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49277#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:29:24,944 INFO L290 TraceCheckUtils]: 26: Hoare triple {49277#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49278#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:29:24,945 INFO L290 TraceCheckUtils]: 27: Hoare triple {49278#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49279#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 10:29:24,945 INFO L290 TraceCheckUtils]: 28: Hoare triple {49279#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49280#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 10:29:24,946 INFO L290 TraceCheckUtils]: 29: Hoare triple {49280#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49281#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 10:29:24,946 INFO L290 TraceCheckUtils]: 30: Hoare triple {49281#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49282#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 10:29:24,947 INFO L290 TraceCheckUtils]: 31: Hoare triple {49282#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49283#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 10:29:24,947 INFO L290 TraceCheckUtils]: 32: Hoare triple {49283#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49284#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 10:29:24,948 INFO L290 TraceCheckUtils]: 33: Hoare triple {49284#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49285#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 10:29:24,948 INFO L290 TraceCheckUtils]: 34: Hoare triple {49285#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49286#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 10:29:24,949 INFO L290 TraceCheckUtils]: 35: Hoare triple {49286#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49287#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 10:29:24,949 INFO L290 TraceCheckUtils]: 36: Hoare triple {49287#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49288#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 10:29:24,950 INFO L290 TraceCheckUtils]: 37: Hoare triple {49288#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49289#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 10:29:24,950 INFO L290 TraceCheckUtils]: 38: Hoare triple {49289#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49290#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 10:29:24,951 INFO L290 TraceCheckUtils]: 39: Hoare triple {49290#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49291#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 10:29:24,951 INFO L290 TraceCheckUtils]: 40: Hoare triple {49291#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49292#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 10:29:24,952 INFO L290 TraceCheckUtils]: 41: Hoare triple {49292#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49293#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 10:29:24,952 INFO L290 TraceCheckUtils]: 42: Hoare triple {49293#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49294#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 10:29:24,953 INFO L290 TraceCheckUtils]: 43: Hoare triple {49294#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49295#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 10:29:24,953 INFO L290 TraceCheckUtils]: 44: Hoare triple {49295#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49296#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 10:29:24,954 INFO L290 TraceCheckUtils]: 45: Hoare triple {49296#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49297#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 10:29:24,954 INFO L290 TraceCheckUtils]: 46: Hoare triple {49297#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49298#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 10:29:24,955 INFO L290 TraceCheckUtils]: 47: Hoare triple {49298#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49299#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 10:29:24,955 INFO L290 TraceCheckUtils]: 48: Hoare triple {49299#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49300#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 10:29:24,956 INFO L290 TraceCheckUtils]: 49: Hoare triple {49300#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49301#(and (<= 42 main_~z~0) (<= main_~z~0 42))} is VALID [2022-04-28 10:29:24,956 INFO L290 TraceCheckUtils]: 50: Hoare triple {49301#(and (<= 42 main_~z~0) (<= main_~z~0 42))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49302#(and (<= main_~z~0 43) (<= 43 main_~z~0))} is VALID [2022-04-28 10:29:24,957 INFO L290 TraceCheckUtils]: 51: Hoare triple {49302#(and (<= main_~z~0 43) (<= 43 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49303#(and (<= main_~z~0 44) (<= 44 main_~z~0))} is VALID [2022-04-28 10:29:24,957 INFO L290 TraceCheckUtils]: 52: Hoare triple {49303#(and (<= main_~z~0 44) (<= 44 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49304#(and (<= main_~z~0 45) (<= 45 main_~z~0))} is VALID [2022-04-28 10:29:24,957 INFO L290 TraceCheckUtils]: 53: Hoare triple {49304#(and (<= main_~z~0 45) (<= 45 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49305#(and (<= 46 main_~z~0) (<= main_~z~0 46))} is VALID [2022-04-28 10:29:24,958 INFO L290 TraceCheckUtils]: 54: Hoare triple {49305#(and (<= 46 main_~z~0) (<= main_~z~0 46))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49306#(and (<= main_~z~0 47) (<= 47 main_~z~0))} is VALID [2022-04-28 10:29:24,958 INFO L290 TraceCheckUtils]: 55: Hoare triple {49306#(and (<= main_~z~0 47) (<= 47 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49307#(and (<= 48 main_~z~0) (<= main_~z~0 48))} is VALID [2022-04-28 10:29:24,959 INFO L290 TraceCheckUtils]: 56: Hoare triple {49307#(and (<= 48 main_~z~0) (<= main_~z~0 48))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49308#(and (<= 49 main_~z~0) (<= main_~z~0 49))} is VALID [2022-04-28 10:29:24,959 INFO L290 TraceCheckUtils]: 57: Hoare triple {49308#(and (<= 49 main_~z~0) (<= main_~z~0 49))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49309#(and (<= 50 main_~z~0) (<= main_~z~0 50))} is VALID [2022-04-28 10:29:24,960 INFO L290 TraceCheckUtils]: 58: Hoare triple {49309#(and (<= 50 main_~z~0) (<= main_~z~0 50))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49310#(and (<= main_~z~0 51) (<= 51 main_~z~0))} is VALID [2022-04-28 10:29:24,960 INFO L290 TraceCheckUtils]: 59: Hoare triple {49310#(and (<= main_~z~0 51) (<= 51 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49311#(and (<= 52 main_~z~0) (<= main_~z~0 52))} is VALID [2022-04-28 10:29:24,961 INFO L290 TraceCheckUtils]: 60: Hoare triple {49311#(and (<= 52 main_~z~0) (<= main_~z~0 52))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49312#(and (<= 53 main_~z~0) (<= main_~z~0 53))} is VALID [2022-04-28 10:29:24,961 INFO L290 TraceCheckUtils]: 61: Hoare triple {49312#(and (<= 53 main_~z~0) (<= main_~z~0 53))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49313#(and (<= main_~z~0 54) (<= 54 main_~z~0))} is VALID [2022-04-28 10:29:24,962 INFO L290 TraceCheckUtils]: 62: Hoare triple {49313#(and (<= main_~z~0 54) (<= 54 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49314#(and (<= 55 main_~z~0) (<= main_~z~0 55))} is VALID [2022-04-28 10:29:24,962 INFO L290 TraceCheckUtils]: 63: Hoare triple {49314#(and (<= 55 main_~z~0) (<= main_~z~0 55))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49315#(and (<= 56 main_~z~0) (<= main_~z~0 56))} is VALID [2022-04-28 10:29:24,963 INFO L290 TraceCheckUtils]: 64: Hoare triple {49315#(and (<= 56 main_~z~0) (<= main_~z~0 56))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49316#(and (<= main_~z~0 57) (<= 57 main_~z~0))} is VALID [2022-04-28 10:29:24,963 INFO L290 TraceCheckUtils]: 65: Hoare triple {49316#(and (<= main_~z~0 57) (<= 57 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49317#(and (<= 58 main_~z~0) (<= main_~z~0 58))} is VALID [2022-04-28 10:29:24,963 INFO L290 TraceCheckUtils]: 66: Hoare triple {49317#(and (<= 58 main_~z~0) (<= main_~z~0 58))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49318#(and (<= main_~z~0 59) (<= 59 main_~z~0))} is VALID [2022-04-28 10:29:24,964 INFO L290 TraceCheckUtils]: 67: Hoare triple {49318#(and (<= main_~z~0 59) (<= 59 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49319#(and (<= main_~z~0 60) (<= 60 main_~z~0))} is VALID [2022-04-28 10:29:24,964 INFO L290 TraceCheckUtils]: 68: Hoare triple {49319#(and (<= main_~z~0 60) (<= 60 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49529#(and (<= 61 main_~z~0) (<= main_~z~0 61))} is VALID [2022-04-28 10:29:24,965 INFO L290 TraceCheckUtils]: 69: Hoare triple {49529#(and (<= 61 main_~z~0) (<= main_~z~0 61))} assume !(~z~0 % 4294967296 < 268435455); {49255#false} is VALID [2022-04-28 10:29:24,965 INFO L272 TraceCheckUtils]: 70: Hoare triple {49255#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {49255#false} is VALID [2022-04-28 10:29:24,965 INFO L290 TraceCheckUtils]: 71: Hoare triple {49255#false} ~cond := #in~cond; {49255#false} is VALID [2022-04-28 10:29:24,965 INFO L290 TraceCheckUtils]: 72: Hoare triple {49255#false} assume 0 == ~cond; {49255#false} is VALID [2022-04-28 10:29:24,965 INFO L290 TraceCheckUtils]: 73: Hoare triple {49255#false} assume !false; {49255#false} is VALID [2022-04-28 10:29:24,965 INFO L134 CoverageAnalysis]: Checked inductivity of 1891 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:29:24,966 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 10:29:30,380 INFO L290 TraceCheckUtils]: 73: Hoare triple {49255#false} assume !false; {49255#false} is VALID [2022-04-28 10:29:30,381 INFO L290 TraceCheckUtils]: 72: Hoare triple {49255#false} assume 0 == ~cond; {49255#false} is VALID [2022-04-28 10:29:30,381 INFO L290 TraceCheckUtils]: 71: Hoare triple {49255#false} ~cond := #in~cond; {49255#false} is VALID [2022-04-28 10:29:30,381 INFO L272 TraceCheckUtils]: 70: Hoare triple {49255#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {49255#false} is VALID [2022-04-28 10:29:30,381 INFO L290 TraceCheckUtils]: 69: Hoare triple {49557#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {49255#false} is VALID [2022-04-28 10:29:30,382 INFO L290 TraceCheckUtils]: 68: Hoare triple {49561#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49557#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 10:29:30,382 INFO L290 TraceCheckUtils]: 67: Hoare triple {49565#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49561#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 10:29:30,383 INFO L290 TraceCheckUtils]: 66: Hoare triple {49569#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49565#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 10:29:30,384 INFO L290 TraceCheckUtils]: 65: Hoare triple {49573#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49569#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 10:29:30,384 INFO L290 TraceCheckUtils]: 64: Hoare triple {49577#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49573#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 10:29:30,385 INFO L290 TraceCheckUtils]: 63: Hoare triple {49581#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49577#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:29:30,386 INFO L290 TraceCheckUtils]: 62: Hoare triple {49585#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49581#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} is VALID [2022-04-28 10:29:30,386 INFO L290 TraceCheckUtils]: 61: Hoare triple {49589#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49585#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:29:30,387 INFO L290 TraceCheckUtils]: 60: Hoare triple {49593#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49589#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} is VALID [2022-04-28 10:29:30,389 INFO L290 TraceCheckUtils]: 59: Hoare triple {49597#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49593#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} is VALID [2022-04-28 10:29:30,389 INFO L290 TraceCheckUtils]: 58: Hoare triple {49601#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49597#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} is VALID [2022-04-28 10:29:30,390 INFO L290 TraceCheckUtils]: 57: Hoare triple {49605#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49601#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} is VALID [2022-04-28 10:29:30,391 INFO L290 TraceCheckUtils]: 56: Hoare triple {49609#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49605#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} is VALID [2022-04-28 10:29:30,391 INFO L290 TraceCheckUtils]: 55: Hoare triple {49613#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49609#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} is VALID [2022-04-28 10:29:30,392 INFO L290 TraceCheckUtils]: 54: Hoare triple {49617#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49613#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} is VALID [2022-04-28 10:29:30,392 INFO L290 TraceCheckUtils]: 53: Hoare triple {49621#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49617#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} is VALID [2022-04-28 10:29:30,393 INFO L290 TraceCheckUtils]: 52: Hoare triple {49625#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49621#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} is VALID [2022-04-28 10:29:30,394 INFO L290 TraceCheckUtils]: 51: Hoare triple {49629#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49625#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} is VALID [2022-04-28 10:29:30,394 INFO L290 TraceCheckUtils]: 50: Hoare triple {49633#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49629#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} is VALID [2022-04-28 10:29:30,395 INFO L290 TraceCheckUtils]: 49: Hoare triple {49637#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49633#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:29:30,395 INFO L290 TraceCheckUtils]: 48: Hoare triple {49641#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49637#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} is VALID [2022-04-28 10:29:30,396 INFO L290 TraceCheckUtils]: 47: Hoare triple {49645#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49641#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} is VALID [2022-04-28 10:29:30,396 INFO L290 TraceCheckUtils]: 46: Hoare triple {49649#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49645#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} is VALID [2022-04-28 10:29:30,397 INFO L290 TraceCheckUtils]: 45: Hoare triple {49653#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49649#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:29:30,398 INFO L290 TraceCheckUtils]: 44: Hoare triple {49657#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49653#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} is VALID [2022-04-28 10:29:30,398 INFO L290 TraceCheckUtils]: 43: Hoare triple {49661#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49657#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} is VALID [2022-04-28 10:29:30,399 INFO L290 TraceCheckUtils]: 42: Hoare triple {49665#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49661#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} is VALID [2022-04-28 10:29:30,399 INFO L290 TraceCheckUtils]: 41: Hoare triple {49669#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49665#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} is VALID [2022-04-28 10:29:30,400 INFO L290 TraceCheckUtils]: 40: Hoare triple {49673#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49669#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} is VALID [2022-04-28 10:29:30,401 INFO L290 TraceCheckUtils]: 39: Hoare triple {49677#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49673#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:29:30,401 INFO L290 TraceCheckUtils]: 38: Hoare triple {49681#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49677#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:29:30,402 INFO L290 TraceCheckUtils]: 37: Hoare triple {49685#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49681#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} is VALID [2022-04-28 10:29:30,402 INFO L290 TraceCheckUtils]: 36: Hoare triple {49689#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49685#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:29:30,403 INFO L290 TraceCheckUtils]: 35: Hoare triple {49693#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49689#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} is VALID [2022-04-28 10:29:30,403 INFO L290 TraceCheckUtils]: 34: Hoare triple {49697#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49693#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} is VALID [2022-04-28 10:29:30,404 INFO L290 TraceCheckUtils]: 33: Hoare triple {49701#(< (mod (+ main_~z~0 36) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49697#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:29:30,404 INFO L290 TraceCheckUtils]: 32: Hoare triple {49705#(< (mod (+ main_~z~0 37) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49701#(< (mod (+ main_~z~0 36) 4294967296) 268435455)} is VALID [2022-04-28 10:29:30,405 INFO L290 TraceCheckUtils]: 31: Hoare triple {49709#(< (mod (+ main_~z~0 38) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49705#(< (mod (+ main_~z~0 37) 4294967296) 268435455)} is VALID [2022-04-28 10:29:30,406 INFO L290 TraceCheckUtils]: 30: Hoare triple {49713#(< (mod (+ main_~z~0 39) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49709#(< (mod (+ main_~z~0 38) 4294967296) 268435455)} is VALID [2022-04-28 10:29:30,406 INFO L290 TraceCheckUtils]: 29: Hoare triple {49717#(< (mod (+ 40 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49713#(< (mod (+ main_~z~0 39) 4294967296) 268435455)} is VALID [2022-04-28 10:29:30,407 INFO L290 TraceCheckUtils]: 28: Hoare triple {49721#(< (mod (+ 41 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49717#(< (mod (+ 40 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:29:30,407 INFO L290 TraceCheckUtils]: 27: Hoare triple {49725#(< (mod (+ 42 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49721#(< (mod (+ 41 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:29:30,408 INFO L290 TraceCheckUtils]: 26: Hoare triple {49729#(< (mod (+ main_~z~0 43) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49725#(< (mod (+ 42 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:29:30,408 INFO L290 TraceCheckUtils]: 25: Hoare triple {49733#(< (mod (+ 44 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49729#(< (mod (+ main_~z~0 43) 4294967296) 268435455)} is VALID [2022-04-28 10:29:30,409 INFO L290 TraceCheckUtils]: 24: Hoare triple {49737#(< (mod (+ main_~z~0 45) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49733#(< (mod (+ 44 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:29:30,409 INFO L290 TraceCheckUtils]: 23: Hoare triple {49741#(< (mod (+ main_~z~0 46) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49737#(< (mod (+ main_~z~0 45) 4294967296) 268435455)} is VALID [2022-04-28 10:29:30,410 INFO L290 TraceCheckUtils]: 22: Hoare triple {49745#(< (mod (+ main_~z~0 47) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49741#(< (mod (+ main_~z~0 46) 4294967296) 268435455)} is VALID [2022-04-28 10:29:30,411 INFO L290 TraceCheckUtils]: 21: Hoare triple {49749#(< (mod (+ main_~z~0 48) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49745#(< (mod (+ main_~z~0 47) 4294967296) 268435455)} is VALID [2022-04-28 10:29:30,411 INFO L290 TraceCheckUtils]: 20: Hoare triple {49753#(< (mod (+ 49 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49749#(< (mod (+ main_~z~0 48) 4294967296) 268435455)} is VALID [2022-04-28 10:29:30,412 INFO L290 TraceCheckUtils]: 19: Hoare triple {49757#(< (mod (+ main_~z~0 50) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49753#(< (mod (+ 49 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:29:30,412 INFO L290 TraceCheckUtils]: 18: Hoare triple {49761#(< (mod (+ 51 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49757#(< (mod (+ main_~z~0 50) 4294967296) 268435455)} is VALID [2022-04-28 10:29:30,413 INFO L290 TraceCheckUtils]: 17: Hoare triple {49765#(< (mod (+ main_~z~0 52) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49761#(< (mod (+ 51 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:29:30,413 INFO L290 TraceCheckUtils]: 16: Hoare triple {49769#(< (mod (+ 53 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49765#(< (mod (+ main_~z~0 52) 4294967296) 268435455)} is VALID [2022-04-28 10:29:30,414 INFO L290 TraceCheckUtils]: 15: Hoare triple {49773#(< (mod (+ main_~z~0 54) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49769#(< (mod (+ 53 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:29:30,415 INFO L290 TraceCheckUtils]: 14: Hoare triple {49777#(< (mod (+ main_~z~0 55) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49773#(< (mod (+ main_~z~0 54) 4294967296) 268435455)} is VALID [2022-04-28 10:29:30,415 INFO L290 TraceCheckUtils]: 13: Hoare triple {49781#(< (mod (+ 56 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49777#(< (mod (+ main_~z~0 55) 4294967296) 268435455)} is VALID [2022-04-28 10:29:30,416 INFO L290 TraceCheckUtils]: 12: Hoare triple {49785#(< (mod (+ 57 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49781#(< (mod (+ 56 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:29:30,416 INFO L290 TraceCheckUtils]: 11: Hoare triple {49789#(< (mod (+ main_~z~0 58) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49785#(< (mod (+ 57 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:29:30,417 INFO L290 TraceCheckUtils]: 10: Hoare triple {49793#(< (mod (+ 59 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49789#(< (mod (+ main_~z~0 58) 4294967296) 268435455)} is VALID [2022-04-28 10:29:30,417 INFO L290 TraceCheckUtils]: 9: Hoare triple {49797#(< (mod (+ main_~z~0 60) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49793#(< (mod (+ 59 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:29:30,419 INFO L290 TraceCheckUtils]: 8: Hoare triple {49801#(< (mod (+ main_~z~0 61) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {49797#(< (mod (+ main_~z~0 60) 4294967296) 268435455)} is VALID [2022-04-28 10:29:30,419 INFO L290 TraceCheckUtils]: 7: Hoare triple {49254#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {49801#(< (mod (+ main_~z~0 61) 4294967296) 268435455)} is VALID [2022-04-28 10:29:30,419 INFO L290 TraceCheckUtils]: 6: Hoare triple {49254#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {49254#true} is VALID [2022-04-28 10:29:30,419 INFO L290 TraceCheckUtils]: 5: Hoare triple {49254#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {49254#true} is VALID [2022-04-28 10:29:30,419 INFO L272 TraceCheckUtils]: 4: Hoare triple {49254#true} call #t~ret7 := main(); {49254#true} is VALID [2022-04-28 10:29:30,419 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {49254#true} {49254#true} #63#return; {49254#true} is VALID [2022-04-28 10:29:30,419 INFO L290 TraceCheckUtils]: 2: Hoare triple {49254#true} assume true; {49254#true} is VALID [2022-04-28 10:29:30,419 INFO L290 TraceCheckUtils]: 1: Hoare triple {49254#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {49254#true} is VALID [2022-04-28 10:29:30,419 INFO L272 TraceCheckUtils]: 0: Hoare triple {49254#true} call ULTIMATE.init(); {49254#true} is VALID [2022-04-28 10:29:30,420 INFO L134 CoverageAnalysis]: Checked inductivity of 1891 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:29:30,420 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1815741167] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 10:29:30,420 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 10:29:30,420 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [65, 64, 64] total 128 [2022-04-28 10:29:30,420 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 10:29:30,420 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [37625896] [2022-04-28 10:29:30,420 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [37625896] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 10:29:30,421 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 10:29:30,421 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [65] imperfect sequences [] total 65 [2022-04-28 10:29:30,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787618613] [2022-04-28 10:29:30,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 10:29:30,421 INFO L78 Accepts]: Start accepts. Automaton has has 65 states, 65 states have (on average 1.0769230769230769) internal successors, (70), 64 states have internal predecessors, (70), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 74 [2022-04-28 10:29:30,421 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 10:29:30,421 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 65 states, 65 states have (on average 1.0769230769230769) internal successors, (70), 64 states have internal predecessors, (70), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:29:30,456 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 74 edges. 74 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:29:30,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2022-04-28 10:29:30,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 10:29:30,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2022-04-28 10:29:30,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4221, Invalid=12035, Unknown=0, NotChecked=0, Total=16256 [2022-04-28 10:29:30,458 INFO L87 Difference]: Start difference. First operand 83 states and 87 transitions. Second operand has 65 states, 65 states have (on average 1.0769230769230769) internal successors, (70), 64 states have internal predecessors, (70), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:29:38,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:29:38,740 INFO L93 Difference]: Finished difference Result 161 states and 170 transitions. [2022-04-28 10:29:38,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-04-28 10:29:38,740 INFO L78 Accepts]: Start accepts. Automaton has has 65 states, 65 states have (on average 1.0769230769230769) internal successors, (70), 64 states have internal predecessors, (70), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 74 [2022-04-28 10:29:38,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 10:29:38,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 65 states have (on average 1.0769230769230769) internal successors, (70), 64 states have internal predecessors, (70), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:29:38,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 107 transitions. [2022-04-28 10:29:38,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 65 states have (on average 1.0769230769230769) internal successors, (70), 64 states have internal predecessors, (70), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:29:38,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 107 transitions. [2022-04-28 10:29:38,743 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 65 states and 107 transitions. [2022-04-28 10:29:38,824 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 107 edges. 107 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:29:38,825 INFO L225 Difference]: With dead ends: 161 [2022-04-28 10:29:38,825 INFO L226 Difference]: Without dead ends: 85 [2022-04-28 10:29:38,828 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 277 GetRequests, 88 SyntacticMatches, 1 SemanticMatches, 188 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2019 ImplicationChecksByTransitivity, 8.3s TimeCoverageRelationStatistics Valid=8435, Invalid=27475, Unknown=0, NotChecked=0, Total=35910 [2022-04-28 10:29:38,828 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 17 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 4808 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 4937 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 4808 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-04-28 10:29:38,828 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 323 Invalid, 4937 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 4808 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-04-28 10:29:38,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2022-04-28 10:29:38,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 84. [2022-04-28 10:29:38,921 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 10:29:38,921 INFO L82 GeneralOperation]: Start isEquivalent. First operand 85 states. Second operand has 84 states, 76 states have (on average 1.0526315789473684) internal successors, (80), 77 states have internal predecessors, (80), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:29:38,921 INFO L74 IsIncluded]: Start isIncluded. First operand 85 states. Second operand has 84 states, 76 states have (on average 1.0526315789473684) internal successors, (80), 77 states have internal predecessors, (80), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:29:38,922 INFO L87 Difference]: Start difference. First operand 85 states. Second operand has 84 states, 76 states have (on average 1.0526315789473684) internal successors, (80), 77 states have internal predecessors, (80), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:29:38,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:29:38,923 INFO L93 Difference]: Finished difference Result 85 states and 89 transitions. [2022-04-28 10:29:38,923 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 89 transitions. [2022-04-28 10:29:38,923 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:29:38,923 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:29:38,923 INFO L74 IsIncluded]: Start isIncluded. First operand has 84 states, 76 states have (on average 1.0526315789473684) internal successors, (80), 77 states have internal predecessors, (80), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 85 states. [2022-04-28 10:29:38,923 INFO L87 Difference]: Start difference. First operand has 84 states, 76 states have (on average 1.0526315789473684) internal successors, (80), 77 states have internal predecessors, (80), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 85 states. [2022-04-28 10:29:38,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:29:38,924 INFO L93 Difference]: Finished difference Result 85 states and 89 transitions. [2022-04-28 10:29:38,924 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 89 transitions. [2022-04-28 10:29:38,924 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:29:38,924 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:29:38,924 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 10:29:38,924 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 10:29:38,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 76 states have (on average 1.0526315789473684) internal successors, (80), 77 states have internal predecessors, (80), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:29:38,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 88 transitions. [2022-04-28 10:29:38,926 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 88 transitions. Word has length 74 [2022-04-28 10:29:38,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 10:29:38,926 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 88 transitions. [2022-04-28 10:29:38,926 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 65 states have (on average 1.0769230769230769) internal successors, (70), 64 states have internal predecessors, (70), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:29:38,926 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 84 states and 88 transitions. [2022-04-28 10:29:39,015 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 88 edges. 88 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:29:39,015 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 88 transitions. [2022-04-28 10:29:39,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-04-28 10:29:39,016 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 10:29:39,016 INFO L195 NwaCegarLoop]: trace histogram [62, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 10:29:39,032 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (62)] Forceful destruction successful, exit code 0 [2022-04-28 10:29:39,216 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64,62 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:29:39,216 INFO L420 AbstractCegarLoop]: === Iteration 66 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 10:29:39,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 10:29:39,216 INFO L85 PathProgramCache]: Analyzing trace with hash 1331191618, now seen corresponding path program 123 times [2022-04-28 10:29:39,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 10:29:39,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1492269151] [2022-04-28 10:29:39,218 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-28 10:29:39,218 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-28 10:29:39,219 INFO L85 PathProgramCache]: Analyzing trace with hash 1331191618, now seen corresponding path program 124 times [2022-04-28 10:29:39,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 10:29:39,219 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723535406] [2022-04-28 10:29:39,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 10:29:39,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 10:29:39,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:29:40,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 10:29:40,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:29:40,937 INFO L290 TraceCheckUtils]: 0: Hoare triple {50681#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {50613#true} is VALID [2022-04-28 10:29:40,937 INFO L290 TraceCheckUtils]: 1: Hoare triple {50613#true} assume true; {50613#true} is VALID [2022-04-28 10:29:40,937 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {50613#true} {50613#true} #63#return; {50613#true} is VALID [2022-04-28 10:29:40,937 INFO L272 TraceCheckUtils]: 0: Hoare triple {50613#true} call ULTIMATE.init(); {50681#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 10:29:40,937 INFO L290 TraceCheckUtils]: 1: Hoare triple {50681#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {50613#true} is VALID [2022-04-28 10:29:40,937 INFO L290 TraceCheckUtils]: 2: Hoare triple {50613#true} assume true; {50613#true} is VALID [2022-04-28 10:29:40,938 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {50613#true} {50613#true} #63#return; {50613#true} is VALID [2022-04-28 10:29:40,938 INFO L272 TraceCheckUtils]: 4: Hoare triple {50613#true} call #t~ret7 := main(); {50613#true} is VALID [2022-04-28 10:29:40,938 INFO L290 TraceCheckUtils]: 5: Hoare triple {50613#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {50613#true} is VALID [2022-04-28 10:29:40,938 INFO L290 TraceCheckUtils]: 6: Hoare triple {50613#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {50613#true} is VALID [2022-04-28 10:29:40,938 INFO L290 TraceCheckUtils]: 7: Hoare triple {50613#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {50618#(= main_~z~0 0)} is VALID [2022-04-28 10:29:40,939 INFO L290 TraceCheckUtils]: 8: Hoare triple {50618#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50619#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:29:40,939 INFO L290 TraceCheckUtils]: 9: Hoare triple {50619#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50620#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:29:40,940 INFO L290 TraceCheckUtils]: 10: Hoare triple {50620#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50621#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:29:40,940 INFO L290 TraceCheckUtils]: 11: Hoare triple {50621#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50622#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:29:40,941 INFO L290 TraceCheckUtils]: 12: Hoare triple {50622#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50623#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:29:40,941 INFO L290 TraceCheckUtils]: 13: Hoare triple {50623#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50624#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:29:40,942 INFO L290 TraceCheckUtils]: 14: Hoare triple {50624#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50625#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:29:40,942 INFO L290 TraceCheckUtils]: 15: Hoare triple {50625#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50626#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:29:40,943 INFO L290 TraceCheckUtils]: 16: Hoare triple {50626#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50627#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:29:40,943 INFO L290 TraceCheckUtils]: 17: Hoare triple {50627#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50628#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:29:40,943 INFO L290 TraceCheckUtils]: 18: Hoare triple {50628#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50629#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:29:40,944 INFO L290 TraceCheckUtils]: 19: Hoare triple {50629#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50630#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:29:40,944 INFO L290 TraceCheckUtils]: 20: Hoare triple {50630#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50631#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:29:40,945 INFO L290 TraceCheckUtils]: 21: Hoare triple {50631#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50632#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:29:40,945 INFO L290 TraceCheckUtils]: 22: Hoare triple {50632#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50633#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:29:40,946 INFO L290 TraceCheckUtils]: 23: Hoare triple {50633#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50634#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:29:40,946 INFO L290 TraceCheckUtils]: 24: Hoare triple {50634#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50635#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:29:40,947 INFO L290 TraceCheckUtils]: 25: Hoare triple {50635#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50636#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:29:40,947 INFO L290 TraceCheckUtils]: 26: Hoare triple {50636#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50637#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:29:40,948 INFO L290 TraceCheckUtils]: 27: Hoare triple {50637#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50638#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 10:29:40,948 INFO L290 TraceCheckUtils]: 28: Hoare triple {50638#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50639#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 10:29:40,948 INFO L290 TraceCheckUtils]: 29: Hoare triple {50639#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50640#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 10:29:40,949 INFO L290 TraceCheckUtils]: 30: Hoare triple {50640#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50641#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 10:29:40,949 INFO L290 TraceCheckUtils]: 31: Hoare triple {50641#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50642#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 10:29:40,950 INFO L290 TraceCheckUtils]: 32: Hoare triple {50642#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50643#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 10:29:40,950 INFO L290 TraceCheckUtils]: 33: Hoare triple {50643#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50644#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 10:29:40,951 INFO L290 TraceCheckUtils]: 34: Hoare triple {50644#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50645#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 10:29:40,951 INFO L290 TraceCheckUtils]: 35: Hoare triple {50645#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50646#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 10:29:40,952 INFO L290 TraceCheckUtils]: 36: Hoare triple {50646#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50647#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 10:29:40,952 INFO L290 TraceCheckUtils]: 37: Hoare triple {50647#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50648#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 10:29:40,953 INFO L290 TraceCheckUtils]: 38: Hoare triple {50648#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50649#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 10:29:40,953 INFO L290 TraceCheckUtils]: 39: Hoare triple {50649#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50650#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 10:29:40,953 INFO L290 TraceCheckUtils]: 40: Hoare triple {50650#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50651#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 10:29:40,954 INFO L290 TraceCheckUtils]: 41: Hoare triple {50651#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50652#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 10:29:40,954 INFO L290 TraceCheckUtils]: 42: Hoare triple {50652#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50653#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 10:29:40,955 INFO L290 TraceCheckUtils]: 43: Hoare triple {50653#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50654#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 10:29:40,955 INFO L290 TraceCheckUtils]: 44: Hoare triple {50654#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50655#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 10:29:40,956 INFO L290 TraceCheckUtils]: 45: Hoare triple {50655#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50656#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 10:29:40,956 INFO L290 TraceCheckUtils]: 46: Hoare triple {50656#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50657#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 10:29:40,957 INFO L290 TraceCheckUtils]: 47: Hoare triple {50657#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50658#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 10:29:40,957 INFO L290 TraceCheckUtils]: 48: Hoare triple {50658#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50659#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 10:29:40,958 INFO L290 TraceCheckUtils]: 49: Hoare triple {50659#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50660#(and (<= 42 main_~z~0) (<= main_~z~0 42))} is VALID [2022-04-28 10:29:40,958 INFO L290 TraceCheckUtils]: 50: Hoare triple {50660#(and (<= 42 main_~z~0) (<= main_~z~0 42))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50661#(and (<= main_~z~0 43) (<= 43 main_~z~0))} is VALID [2022-04-28 10:29:40,959 INFO L290 TraceCheckUtils]: 51: Hoare triple {50661#(and (<= main_~z~0 43) (<= 43 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50662#(and (<= main_~z~0 44) (<= 44 main_~z~0))} is VALID [2022-04-28 10:29:40,959 INFO L290 TraceCheckUtils]: 52: Hoare triple {50662#(and (<= main_~z~0 44) (<= 44 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50663#(and (<= main_~z~0 45) (<= 45 main_~z~0))} is VALID [2022-04-28 10:29:40,960 INFO L290 TraceCheckUtils]: 53: Hoare triple {50663#(and (<= main_~z~0 45) (<= 45 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50664#(and (<= 46 main_~z~0) (<= main_~z~0 46))} is VALID [2022-04-28 10:29:40,960 INFO L290 TraceCheckUtils]: 54: Hoare triple {50664#(and (<= 46 main_~z~0) (<= main_~z~0 46))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50665#(and (<= main_~z~0 47) (<= 47 main_~z~0))} is VALID [2022-04-28 10:29:40,961 INFO L290 TraceCheckUtils]: 55: Hoare triple {50665#(and (<= main_~z~0 47) (<= 47 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50666#(and (<= 48 main_~z~0) (<= main_~z~0 48))} is VALID [2022-04-28 10:29:40,961 INFO L290 TraceCheckUtils]: 56: Hoare triple {50666#(and (<= 48 main_~z~0) (<= main_~z~0 48))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50667#(and (<= 49 main_~z~0) (<= main_~z~0 49))} is VALID [2022-04-28 10:29:40,962 INFO L290 TraceCheckUtils]: 57: Hoare triple {50667#(and (<= 49 main_~z~0) (<= main_~z~0 49))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50668#(and (<= 50 main_~z~0) (<= main_~z~0 50))} is VALID [2022-04-28 10:29:40,962 INFO L290 TraceCheckUtils]: 58: Hoare triple {50668#(and (<= 50 main_~z~0) (<= main_~z~0 50))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50669#(and (<= main_~z~0 51) (<= 51 main_~z~0))} is VALID [2022-04-28 10:29:40,963 INFO L290 TraceCheckUtils]: 59: Hoare triple {50669#(and (<= main_~z~0 51) (<= 51 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50670#(and (<= 52 main_~z~0) (<= main_~z~0 52))} is VALID [2022-04-28 10:29:40,963 INFO L290 TraceCheckUtils]: 60: Hoare triple {50670#(and (<= 52 main_~z~0) (<= main_~z~0 52))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50671#(and (<= 53 main_~z~0) (<= main_~z~0 53))} is VALID [2022-04-28 10:29:40,964 INFO L290 TraceCheckUtils]: 61: Hoare triple {50671#(and (<= 53 main_~z~0) (<= main_~z~0 53))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50672#(and (<= main_~z~0 54) (<= 54 main_~z~0))} is VALID [2022-04-28 10:29:40,964 INFO L290 TraceCheckUtils]: 62: Hoare triple {50672#(and (<= main_~z~0 54) (<= 54 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50673#(and (<= 55 main_~z~0) (<= main_~z~0 55))} is VALID [2022-04-28 10:29:40,965 INFO L290 TraceCheckUtils]: 63: Hoare triple {50673#(and (<= 55 main_~z~0) (<= main_~z~0 55))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50674#(and (<= 56 main_~z~0) (<= main_~z~0 56))} is VALID [2022-04-28 10:29:40,965 INFO L290 TraceCheckUtils]: 64: Hoare triple {50674#(and (<= 56 main_~z~0) (<= main_~z~0 56))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50675#(and (<= main_~z~0 57) (<= 57 main_~z~0))} is VALID [2022-04-28 10:29:40,966 INFO L290 TraceCheckUtils]: 65: Hoare triple {50675#(and (<= main_~z~0 57) (<= 57 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50676#(and (<= 58 main_~z~0) (<= main_~z~0 58))} is VALID [2022-04-28 10:29:40,966 INFO L290 TraceCheckUtils]: 66: Hoare triple {50676#(and (<= 58 main_~z~0) (<= main_~z~0 58))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50677#(and (<= main_~z~0 59) (<= 59 main_~z~0))} is VALID [2022-04-28 10:29:40,967 INFO L290 TraceCheckUtils]: 67: Hoare triple {50677#(and (<= main_~z~0 59) (<= 59 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50678#(and (<= main_~z~0 60) (<= 60 main_~z~0))} is VALID [2022-04-28 10:29:40,967 INFO L290 TraceCheckUtils]: 68: Hoare triple {50678#(and (<= main_~z~0 60) (<= 60 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50679#(and (<= 61 main_~z~0) (<= main_~z~0 61))} is VALID [2022-04-28 10:29:40,968 INFO L290 TraceCheckUtils]: 69: Hoare triple {50679#(and (<= 61 main_~z~0) (<= main_~z~0 61))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50680#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 62))} is VALID [2022-04-28 10:29:40,968 INFO L290 TraceCheckUtils]: 70: Hoare triple {50680#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 62))} assume !(~z~0 % 4294967296 < 268435455); {50614#false} is VALID [2022-04-28 10:29:40,968 INFO L272 TraceCheckUtils]: 71: Hoare triple {50614#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {50614#false} is VALID [2022-04-28 10:29:40,968 INFO L290 TraceCheckUtils]: 72: Hoare triple {50614#false} ~cond := #in~cond; {50614#false} is VALID [2022-04-28 10:29:40,968 INFO L290 TraceCheckUtils]: 73: Hoare triple {50614#false} assume 0 == ~cond; {50614#false} is VALID [2022-04-28 10:29:40,969 INFO L290 TraceCheckUtils]: 74: Hoare triple {50614#false} assume !false; {50614#false} is VALID [2022-04-28 10:29:40,969 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:29:40,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 10:29:40,969 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723535406] [2022-04-28 10:29:40,969 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723535406] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 10:29:40,969 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1978708083] [2022-04-28 10:29:40,969 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-28 10:29:40,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:29:40,970 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 10:29:40,970 INFO L229 MonitoredProcess]: Starting monitored process 63 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 10:29:40,971 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (63)] Waiting until timeout for monitored process [2022-04-28 10:29:41,112 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-28 10:29:41,112 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 10:29:41,114 WARN L261 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 127 conjunts are in the unsatisfiable core [2022-04-28 10:29:41,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:29:41,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 10:29:41,823 INFO L272 TraceCheckUtils]: 0: Hoare triple {50613#true} call ULTIMATE.init(); {50613#true} is VALID [2022-04-28 10:29:41,823 INFO L290 TraceCheckUtils]: 1: Hoare triple {50613#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {50613#true} is VALID [2022-04-28 10:29:41,823 INFO L290 TraceCheckUtils]: 2: Hoare triple {50613#true} assume true; {50613#true} is VALID [2022-04-28 10:29:41,823 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {50613#true} {50613#true} #63#return; {50613#true} is VALID [2022-04-28 10:29:41,823 INFO L272 TraceCheckUtils]: 4: Hoare triple {50613#true} call #t~ret7 := main(); {50613#true} is VALID [2022-04-28 10:29:41,824 INFO L290 TraceCheckUtils]: 5: Hoare triple {50613#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {50613#true} is VALID [2022-04-28 10:29:41,824 INFO L290 TraceCheckUtils]: 6: Hoare triple {50613#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {50613#true} is VALID [2022-04-28 10:29:41,824 INFO L290 TraceCheckUtils]: 7: Hoare triple {50613#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {50618#(= main_~z~0 0)} is VALID [2022-04-28 10:29:41,824 INFO L290 TraceCheckUtils]: 8: Hoare triple {50618#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50619#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:29:41,825 INFO L290 TraceCheckUtils]: 9: Hoare triple {50619#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50620#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:29:41,825 INFO L290 TraceCheckUtils]: 10: Hoare triple {50620#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50621#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:29:41,826 INFO L290 TraceCheckUtils]: 11: Hoare triple {50621#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50622#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:29:41,826 INFO L290 TraceCheckUtils]: 12: Hoare triple {50622#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50623#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:29:41,826 INFO L290 TraceCheckUtils]: 13: Hoare triple {50623#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50624#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:29:41,827 INFO L290 TraceCheckUtils]: 14: Hoare triple {50624#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50625#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:29:41,827 INFO L290 TraceCheckUtils]: 15: Hoare triple {50625#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50626#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:29:41,828 INFO L290 TraceCheckUtils]: 16: Hoare triple {50626#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50627#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:29:41,828 INFO L290 TraceCheckUtils]: 17: Hoare triple {50627#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50628#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:29:41,829 INFO L290 TraceCheckUtils]: 18: Hoare triple {50628#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50629#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:29:41,829 INFO L290 TraceCheckUtils]: 19: Hoare triple {50629#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50630#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:29:41,830 INFO L290 TraceCheckUtils]: 20: Hoare triple {50630#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50631#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:29:41,830 INFO L290 TraceCheckUtils]: 21: Hoare triple {50631#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50632#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:29:41,831 INFO L290 TraceCheckUtils]: 22: Hoare triple {50632#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50633#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:29:41,831 INFO L290 TraceCheckUtils]: 23: Hoare triple {50633#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50634#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:29:41,832 INFO L290 TraceCheckUtils]: 24: Hoare triple {50634#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50635#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:29:41,832 INFO L290 TraceCheckUtils]: 25: Hoare triple {50635#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50636#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:29:41,833 INFO L290 TraceCheckUtils]: 26: Hoare triple {50636#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50637#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:29:41,833 INFO L290 TraceCheckUtils]: 27: Hoare triple {50637#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50638#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 10:29:41,834 INFO L290 TraceCheckUtils]: 28: Hoare triple {50638#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50639#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 10:29:41,834 INFO L290 TraceCheckUtils]: 29: Hoare triple {50639#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50640#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 10:29:41,835 INFO L290 TraceCheckUtils]: 30: Hoare triple {50640#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50641#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 10:29:41,835 INFO L290 TraceCheckUtils]: 31: Hoare triple {50641#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50642#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 10:29:41,835 INFO L290 TraceCheckUtils]: 32: Hoare triple {50642#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50643#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 10:29:41,836 INFO L290 TraceCheckUtils]: 33: Hoare triple {50643#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50644#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 10:29:41,836 INFO L290 TraceCheckUtils]: 34: Hoare triple {50644#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50645#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 10:29:41,837 INFO L290 TraceCheckUtils]: 35: Hoare triple {50645#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50646#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 10:29:41,837 INFO L290 TraceCheckUtils]: 36: Hoare triple {50646#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50647#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 10:29:41,838 INFO L290 TraceCheckUtils]: 37: Hoare triple {50647#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50648#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 10:29:41,838 INFO L290 TraceCheckUtils]: 38: Hoare triple {50648#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50649#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 10:29:41,839 INFO L290 TraceCheckUtils]: 39: Hoare triple {50649#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50650#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 10:29:41,839 INFO L290 TraceCheckUtils]: 40: Hoare triple {50650#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50651#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 10:29:41,840 INFO L290 TraceCheckUtils]: 41: Hoare triple {50651#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50652#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 10:29:41,840 INFO L290 TraceCheckUtils]: 42: Hoare triple {50652#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50653#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 10:29:41,841 INFO L290 TraceCheckUtils]: 43: Hoare triple {50653#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50654#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 10:29:41,841 INFO L290 TraceCheckUtils]: 44: Hoare triple {50654#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50655#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 10:29:41,842 INFO L290 TraceCheckUtils]: 45: Hoare triple {50655#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50656#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 10:29:41,842 INFO L290 TraceCheckUtils]: 46: Hoare triple {50656#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50657#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 10:29:41,843 INFO L290 TraceCheckUtils]: 47: Hoare triple {50657#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50658#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 10:29:41,843 INFO L290 TraceCheckUtils]: 48: Hoare triple {50658#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50659#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 10:29:41,844 INFO L290 TraceCheckUtils]: 49: Hoare triple {50659#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50660#(and (<= 42 main_~z~0) (<= main_~z~0 42))} is VALID [2022-04-28 10:29:41,844 INFO L290 TraceCheckUtils]: 50: Hoare triple {50660#(and (<= 42 main_~z~0) (<= main_~z~0 42))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50661#(and (<= main_~z~0 43) (<= 43 main_~z~0))} is VALID [2022-04-28 10:29:41,845 INFO L290 TraceCheckUtils]: 51: Hoare triple {50661#(and (<= main_~z~0 43) (<= 43 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50662#(and (<= main_~z~0 44) (<= 44 main_~z~0))} is VALID [2022-04-28 10:29:41,845 INFO L290 TraceCheckUtils]: 52: Hoare triple {50662#(and (<= main_~z~0 44) (<= 44 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50663#(and (<= main_~z~0 45) (<= 45 main_~z~0))} is VALID [2022-04-28 10:29:41,846 INFO L290 TraceCheckUtils]: 53: Hoare triple {50663#(and (<= main_~z~0 45) (<= 45 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50664#(and (<= 46 main_~z~0) (<= main_~z~0 46))} is VALID [2022-04-28 10:29:41,846 INFO L290 TraceCheckUtils]: 54: Hoare triple {50664#(and (<= 46 main_~z~0) (<= main_~z~0 46))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50665#(and (<= main_~z~0 47) (<= 47 main_~z~0))} is VALID [2022-04-28 10:29:41,847 INFO L290 TraceCheckUtils]: 55: Hoare triple {50665#(and (<= main_~z~0 47) (<= 47 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50666#(and (<= 48 main_~z~0) (<= main_~z~0 48))} is VALID [2022-04-28 10:29:41,847 INFO L290 TraceCheckUtils]: 56: Hoare triple {50666#(and (<= 48 main_~z~0) (<= main_~z~0 48))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50667#(and (<= 49 main_~z~0) (<= main_~z~0 49))} is VALID [2022-04-28 10:29:41,848 INFO L290 TraceCheckUtils]: 57: Hoare triple {50667#(and (<= 49 main_~z~0) (<= main_~z~0 49))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50668#(and (<= 50 main_~z~0) (<= main_~z~0 50))} is VALID [2022-04-28 10:29:41,848 INFO L290 TraceCheckUtils]: 58: Hoare triple {50668#(and (<= 50 main_~z~0) (<= main_~z~0 50))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50669#(and (<= main_~z~0 51) (<= 51 main_~z~0))} is VALID [2022-04-28 10:29:41,849 INFO L290 TraceCheckUtils]: 59: Hoare triple {50669#(and (<= main_~z~0 51) (<= 51 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50670#(and (<= 52 main_~z~0) (<= main_~z~0 52))} is VALID [2022-04-28 10:29:41,849 INFO L290 TraceCheckUtils]: 60: Hoare triple {50670#(and (<= 52 main_~z~0) (<= main_~z~0 52))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50671#(and (<= 53 main_~z~0) (<= main_~z~0 53))} is VALID [2022-04-28 10:29:41,850 INFO L290 TraceCheckUtils]: 61: Hoare triple {50671#(and (<= 53 main_~z~0) (<= main_~z~0 53))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50672#(and (<= main_~z~0 54) (<= 54 main_~z~0))} is VALID [2022-04-28 10:29:41,850 INFO L290 TraceCheckUtils]: 62: Hoare triple {50672#(and (<= main_~z~0 54) (<= 54 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50673#(and (<= 55 main_~z~0) (<= main_~z~0 55))} is VALID [2022-04-28 10:29:41,851 INFO L290 TraceCheckUtils]: 63: Hoare triple {50673#(and (<= 55 main_~z~0) (<= main_~z~0 55))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50674#(and (<= 56 main_~z~0) (<= main_~z~0 56))} is VALID [2022-04-28 10:29:41,851 INFO L290 TraceCheckUtils]: 64: Hoare triple {50674#(and (<= 56 main_~z~0) (<= main_~z~0 56))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50675#(and (<= main_~z~0 57) (<= 57 main_~z~0))} is VALID [2022-04-28 10:29:41,852 INFO L290 TraceCheckUtils]: 65: Hoare triple {50675#(and (<= main_~z~0 57) (<= 57 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50676#(and (<= 58 main_~z~0) (<= main_~z~0 58))} is VALID [2022-04-28 10:29:41,852 INFO L290 TraceCheckUtils]: 66: Hoare triple {50676#(and (<= 58 main_~z~0) (<= main_~z~0 58))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50677#(and (<= main_~z~0 59) (<= 59 main_~z~0))} is VALID [2022-04-28 10:29:41,853 INFO L290 TraceCheckUtils]: 67: Hoare triple {50677#(and (<= main_~z~0 59) (<= 59 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50678#(and (<= main_~z~0 60) (<= 60 main_~z~0))} is VALID [2022-04-28 10:29:41,853 INFO L290 TraceCheckUtils]: 68: Hoare triple {50678#(and (<= main_~z~0 60) (<= 60 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50679#(and (<= 61 main_~z~0) (<= main_~z~0 61))} is VALID [2022-04-28 10:29:41,854 INFO L290 TraceCheckUtils]: 69: Hoare triple {50679#(and (<= 61 main_~z~0) (<= main_~z~0 61))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50892#(and (<= 62 main_~z~0) (<= main_~z~0 62))} is VALID [2022-04-28 10:29:41,854 INFO L290 TraceCheckUtils]: 70: Hoare triple {50892#(and (<= 62 main_~z~0) (<= main_~z~0 62))} assume !(~z~0 % 4294967296 < 268435455); {50614#false} is VALID [2022-04-28 10:29:41,854 INFO L272 TraceCheckUtils]: 71: Hoare triple {50614#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {50614#false} is VALID [2022-04-28 10:29:41,854 INFO L290 TraceCheckUtils]: 72: Hoare triple {50614#false} ~cond := #in~cond; {50614#false} is VALID [2022-04-28 10:29:41,854 INFO L290 TraceCheckUtils]: 73: Hoare triple {50614#false} assume 0 == ~cond; {50614#false} is VALID [2022-04-28 10:29:41,854 INFO L290 TraceCheckUtils]: 74: Hoare triple {50614#false} assume !false; {50614#false} is VALID [2022-04-28 10:29:41,855 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:29:41,855 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 10:29:47,502 INFO L290 TraceCheckUtils]: 74: Hoare triple {50614#false} assume !false; {50614#false} is VALID [2022-04-28 10:29:47,503 INFO L290 TraceCheckUtils]: 73: Hoare triple {50614#false} assume 0 == ~cond; {50614#false} is VALID [2022-04-28 10:29:47,503 INFO L290 TraceCheckUtils]: 72: Hoare triple {50614#false} ~cond := #in~cond; {50614#false} is VALID [2022-04-28 10:29:47,503 INFO L272 TraceCheckUtils]: 71: Hoare triple {50614#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {50614#false} is VALID [2022-04-28 10:29:47,503 INFO L290 TraceCheckUtils]: 70: Hoare triple {50920#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {50614#false} is VALID [2022-04-28 10:29:47,504 INFO L290 TraceCheckUtils]: 69: Hoare triple {50924#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50920#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 10:29:47,504 INFO L290 TraceCheckUtils]: 68: Hoare triple {50928#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50924#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 10:29:47,505 INFO L290 TraceCheckUtils]: 67: Hoare triple {50932#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50928#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 10:29:47,505 INFO L290 TraceCheckUtils]: 66: Hoare triple {50936#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50932#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 10:29:47,506 INFO L290 TraceCheckUtils]: 65: Hoare triple {50940#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50936#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 10:29:47,506 INFO L290 TraceCheckUtils]: 64: Hoare triple {50944#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50940#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:29:47,507 INFO L290 TraceCheckUtils]: 63: Hoare triple {50948#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50944#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} is VALID [2022-04-28 10:29:47,508 INFO L290 TraceCheckUtils]: 62: Hoare triple {50952#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50948#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:29:47,508 INFO L290 TraceCheckUtils]: 61: Hoare triple {50956#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50952#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} is VALID [2022-04-28 10:29:47,509 INFO L290 TraceCheckUtils]: 60: Hoare triple {50960#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50956#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} is VALID [2022-04-28 10:29:47,509 INFO L290 TraceCheckUtils]: 59: Hoare triple {50964#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50960#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} is VALID [2022-04-28 10:29:47,510 INFO L290 TraceCheckUtils]: 58: Hoare triple {50968#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50964#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} is VALID [2022-04-28 10:29:47,510 INFO L290 TraceCheckUtils]: 57: Hoare triple {50972#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50968#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} is VALID [2022-04-28 10:29:47,511 INFO L290 TraceCheckUtils]: 56: Hoare triple {50976#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50972#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} is VALID [2022-04-28 10:29:47,511 INFO L290 TraceCheckUtils]: 55: Hoare triple {50980#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50976#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} is VALID [2022-04-28 10:29:47,512 INFO L290 TraceCheckUtils]: 54: Hoare triple {50984#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50980#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} is VALID [2022-04-28 10:29:47,512 INFO L290 TraceCheckUtils]: 53: Hoare triple {50988#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50984#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} is VALID [2022-04-28 10:29:47,513 INFO L290 TraceCheckUtils]: 52: Hoare triple {50992#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50988#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} is VALID [2022-04-28 10:29:47,514 INFO L290 TraceCheckUtils]: 51: Hoare triple {50996#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50992#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} is VALID [2022-04-28 10:29:47,514 INFO L290 TraceCheckUtils]: 50: Hoare triple {51000#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {50996#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:29:47,515 INFO L290 TraceCheckUtils]: 49: Hoare triple {51004#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51000#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} is VALID [2022-04-28 10:29:47,515 INFO L290 TraceCheckUtils]: 48: Hoare triple {51008#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51004#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} is VALID [2022-04-28 10:29:47,516 INFO L290 TraceCheckUtils]: 47: Hoare triple {51012#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51008#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} is VALID [2022-04-28 10:29:47,516 INFO L290 TraceCheckUtils]: 46: Hoare triple {51016#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51012#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:29:47,517 INFO L290 TraceCheckUtils]: 45: Hoare triple {51020#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51016#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} is VALID [2022-04-28 10:29:47,517 INFO L290 TraceCheckUtils]: 44: Hoare triple {51024#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51020#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} is VALID [2022-04-28 10:29:47,518 INFO L290 TraceCheckUtils]: 43: Hoare triple {51028#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51024#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} is VALID [2022-04-28 10:29:47,519 INFO L290 TraceCheckUtils]: 42: Hoare triple {51032#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51028#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} is VALID [2022-04-28 10:29:47,519 INFO L290 TraceCheckUtils]: 41: Hoare triple {51036#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51032#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} is VALID [2022-04-28 10:29:47,520 INFO L290 TraceCheckUtils]: 40: Hoare triple {51040#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51036#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:29:47,520 INFO L290 TraceCheckUtils]: 39: Hoare triple {51044#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51040#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:29:47,521 INFO L290 TraceCheckUtils]: 38: Hoare triple {51048#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51044#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} is VALID [2022-04-28 10:29:47,522 INFO L290 TraceCheckUtils]: 37: Hoare triple {51052#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51048#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:29:47,522 INFO L290 TraceCheckUtils]: 36: Hoare triple {51056#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51052#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} is VALID [2022-04-28 10:29:47,523 INFO L290 TraceCheckUtils]: 35: Hoare triple {51060#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51056#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} is VALID [2022-04-28 10:29:47,523 INFO L290 TraceCheckUtils]: 34: Hoare triple {51064#(< (mod (+ main_~z~0 36) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51060#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:29:47,524 INFO L290 TraceCheckUtils]: 33: Hoare triple {51068#(< (mod (+ main_~z~0 37) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51064#(< (mod (+ main_~z~0 36) 4294967296) 268435455)} is VALID [2022-04-28 10:29:47,524 INFO L290 TraceCheckUtils]: 32: Hoare triple {51072#(< (mod (+ main_~z~0 38) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51068#(< (mod (+ main_~z~0 37) 4294967296) 268435455)} is VALID [2022-04-28 10:29:47,525 INFO L290 TraceCheckUtils]: 31: Hoare triple {51076#(< (mod (+ main_~z~0 39) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51072#(< (mod (+ main_~z~0 38) 4294967296) 268435455)} is VALID [2022-04-28 10:29:47,526 INFO L290 TraceCheckUtils]: 30: Hoare triple {51080#(< (mod (+ 40 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51076#(< (mod (+ main_~z~0 39) 4294967296) 268435455)} is VALID [2022-04-28 10:29:47,526 INFO L290 TraceCheckUtils]: 29: Hoare triple {51084#(< (mod (+ 41 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51080#(< (mod (+ 40 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:29:47,527 INFO L290 TraceCheckUtils]: 28: Hoare triple {51088#(< (mod (+ 42 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51084#(< (mod (+ 41 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:29:47,527 INFO L290 TraceCheckUtils]: 27: Hoare triple {51092#(< (mod (+ main_~z~0 43) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51088#(< (mod (+ 42 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:29:47,528 INFO L290 TraceCheckUtils]: 26: Hoare triple {51096#(< (mod (+ 44 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51092#(< (mod (+ main_~z~0 43) 4294967296) 268435455)} is VALID [2022-04-28 10:29:47,528 INFO L290 TraceCheckUtils]: 25: Hoare triple {51100#(< (mod (+ main_~z~0 45) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51096#(< (mod (+ 44 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:29:47,529 INFO L290 TraceCheckUtils]: 24: Hoare triple {51104#(< (mod (+ main_~z~0 46) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51100#(< (mod (+ main_~z~0 45) 4294967296) 268435455)} is VALID [2022-04-28 10:29:47,529 INFO L290 TraceCheckUtils]: 23: Hoare triple {51108#(< (mod (+ main_~z~0 47) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51104#(< (mod (+ main_~z~0 46) 4294967296) 268435455)} is VALID [2022-04-28 10:29:47,530 INFO L290 TraceCheckUtils]: 22: Hoare triple {51112#(< (mod (+ main_~z~0 48) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51108#(< (mod (+ main_~z~0 47) 4294967296) 268435455)} is VALID [2022-04-28 10:29:47,531 INFO L290 TraceCheckUtils]: 21: Hoare triple {51116#(< (mod (+ 49 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51112#(< (mod (+ main_~z~0 48) 4294967296) 268435455)} is VALID [2022-04-28 10:29:47,531 INFO L290 TraceCheckUtils]: 20: Hoare triple {51120#(< (mod (+ main_~z~0 50) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51116#(< (mod (+ 49 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:29:47,532 INFO L290 TraceCheckUtils]: 19: Hoare triple {51124#(< (mod (+ 51 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51120#(< (mod (+ main_~z~0 50) 4294967296) 268435455)} is VALID [2022-04-28 10:29:47,532 INFO L290 TraceCheckUtils]: 18: Hoare triple {51128#(< (mod (+ main_~z~0 52) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51124#(< (mod (+ 51 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:29:47,533 INFO L290 TraceCheckUtils]: 17: Hoare triple {51132#(< (mod (+ 53 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51128#(< (mod (+ main_~z~0 52) 4294967296) 268435455)} is VALID [2022-04-28 10:29:47,533 INFO L290 TraceCheckUtils]: 16: Hoare triple {51136#(< (mod (+ main_~z~0 54) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51132#(< (mod (+ 53 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:29:47,534 INFO L290 TraceCheckUtils]: 15: Hoare triple {51140#(< (mod (+ main_~z~0 55) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51136#(< (mod (+ main_~z~0 54) 4294967296) 268435455)} is VALID [2022-04-28 10:29:47,534 INFO L290 TraceCheckUtils]: 14: Hoare triple {51144#(< (mod (+ 56 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51140#(< (mod (+ main_~z~0 55) 4294967296) 268435455)} is VALID [2022-04-28 10:29:47,535 INFO L290 TraceCheckUtils]: 13: Hoare triple {51148#(< (mod (+ 57 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51144#(< (mod (+ 56 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:29:47,536 INFO L290 TraceCheckUtils]: 12: Hoare triple {51152#(< (mod (+ main_~z~0 58) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51148#(< (mod (+ 57 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:29:47,536 INFO L290 TraceCheckUtils]: 11: Hoare triple {51156#(< (mod (+ 59 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51152#(< (mod (+ main_~z~0 58) 4294967296) 268435455)} is VALID [2022-04-28 10:29:47,537 INFO L290 TraceCheckUtils]: 10: Hoare triple {51160#(< (mod (+ main_~z~0 60) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51156#(< (mod (+ 59 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:29:47,537 INFO L290 TraceCheckUtils]: 9: Hoare triple {51164#(< (mod (+ main_~z~0 61) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51160#(< (mod (+ main_~z~0 60) 4294967296) 268435455)} is VALID [2022-04-28 10:29:47,538 INFO L290 TraceCheckUtils]: 8: Hoare triple {51168#(< (mod (+ main_~z~0 62) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51164#(< (mod (+ main_~z~0 61) 4294967296) 268435455)} is VALID [2022-04-28 10:29:47,538 INFO L290 TraceCheckUtils]: 7: Hoare triple {50613#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {51168#(< (mod (+ main_~z~0 62) 4294967296) 268435455)} is VALID [2022-04-28 10:29:47,538 INFO L290 TraceCheckUtils]: 6: Hoare triple {50613#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {50613#true} is VALID [2022-04-28 10:29:47,539 INFO L290 TraceCheckUtils]: 5: Hoare triple {50613#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {50613#true} is VALID [2022-04-28 10:29:47,539 INFO L272 TraceCheckUtils]: 4: Hoare triple {50613#true} call #t~ret7 := main(); {50613#true} is VALID [2022-04-28 10:29:47,539 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {50613#true} {50613#true} #63#return; {50613#true} is VALID [2022-04-28 10:29:47,539 INFO L290 TraceCheckUtils]: 2: Hoare triple {50613#true} assume true; {50613#true} is VALID [2022-04-28 10:29:47,539 INFO L290 TraceCheckUtils]: 1: Hoare triple {50613#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {50613#true} is VALID [2022-04-28 10:29:47,539 INFO L272 TraceCheckUtils]: 0: Hoare triple {50613#true} call ULTIMATE.init(); {50613#true} is VALID [2022-04-28 10:29:47,539 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:29:47,539 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1978708083] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 10:29:47,539 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 10:29:47,540 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [66, 65, 65] total 130 [2022-04-28 10:29:47,540 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 10:29:47,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1492269151] [2022-04-28 10:29:47,540 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1492269151] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 10:29:47,540 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 10:29:47,540 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [66] imperfect sequences [] total 66 [2022-04-28 10:29:47,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907234301] [2022-04-28 10:29:47,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 10:29:47,540 INFO L78 Accepts]: Start accepts. Automaton has has 66 states, 66 states have (on average 1.0757575757575757) internal successors, (71), 65 states have internal predecessors, (71), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 75 [2022-04-28 10:29:47,540 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 10:29:47,541 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 66 states, 66 states have (on average 1.0757575757575757) internal successors, (71), 65 states have internal predecessors, (71), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:29:47,576 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 75 edges. 75 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:29:47,576 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2022-04-28 10:29:47,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 10:29:47,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2022-04-28 10:29:47,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4352, Invalid=12418, Unknown=0, NotChecked=0, Total=16770 [2022-04-28 10:29:47,578 INFO L87 Difference]: Start difference. First operand 84 states and 88 transitions. Second operand has 66 states, 66 states have (on average 1.0757575757575757) internal successors, (71), 65 states have internal predecessors, (71), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:29:55,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:29:55,169 INFO L93 Difference]: Finished difference Result 163 states and 172 transitions. [2022-04-28 10:29:55,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-04-28 10:29:55,169 INFO L78 Accepts]: Start accepts. Automaton has has 66 states, 66 states have (on average 1.0757575757575757) internal successors, (71), 65 states have internal predecessors, (71), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 75 [2022-04-28 10:29:55,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 10:29:55,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 66 states have (on average 1.0757575757575757) internal successors, (71), 65 states have internal predecessors, (71), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:29:55,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 108 transitions. [2022-04-28 10:29:55,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 66 states have (on average 1.0757575757575757) internal successors, (71), 65 states have internal predecessors, (71), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:29:55,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 108 transitions. [2022-04-28 10:29:55,171 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 66 states and 108 transitions. [2022-04-28 10:29:55,242 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 108 edges. 108 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:29:55,243 INFO L225 Difference]: With dead ends: 163 [2022-04-28 10:29:55,243 INFO L226 Difference]: Without dead ends: 86 [2022-04-28 10:29:55,246 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 89 SyntacticMatches, 1 SemanticMatches, 191 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2083 ImplicationChecksByTransitivity, 8.6s TimeCoverageRelationStatistics Valid=8697, Invalid=28359, Unknown=0, NotChecked=0, Total=37056 [2022-04-28 10:29:55,246 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 18 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 4318 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 4450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 4318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-04-28 10:29:55,246 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 118 Invalid, 4450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 4318 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-04-28 10:29:55,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2022-04-28 10:29:55,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 85. [2022-04-28 10:29:55,330 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 10:29:55,330 INFO L82 GeneralOperation]: Start isEquivalent. First operand 86 states. Second operand has 85 states, 77 states have (on average 1.051948051948052) internal successors, (81), 78 states have internal predecessors, (81), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:29:55,330 INFO L74 IsIncluded]: Start isIncluded. First operand 86 states. Second operand has 85 states, 77 states have (on average 1.051948051948052) internal successors, (81), 78 states have internal predecessors, (81), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:29:55,330 INFO L87 Difference]: Start difference. First operand 86 states. Second operand has 85 states, 77 states have (on average 1.051948051948052) internal successors, (81), 78 states have internal predecessors, (81), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:29:55,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:29:55,331 INFO L93 Difference]: Finished difference Result 86 states and 90 transitions. [2022-04-28 10:29:55,331 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 90 transitions. [2022-04-28 10:29:55,331 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:29:55,331 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:29:55,331 INFO L74 IsIncluded]: Start isIncluded. First operand has 85 states, 77 states have (on average 1.051948051948052) internal successors, (81), 78 states have internal predecessors, (81), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 86 states. [2022-04-28 10:29:55,331 INFO L87 Difference]: Start difference. First operand has 85 states, 77 states have (on average 1.051948051948052) internal successors, (81), 78 states have internal predecessors, (81), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 86 states. [2022-04-28 10:29:55,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:29:55,332 INFO L93 Difference]: Finished difference Result 86 states and 90 transitions. [2022-04-28 10:29:55,332 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 90 transitions. [2022-04-28 10:29:55,332 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:29:55,332 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:29:55,332 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 10:29:55,332 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 10:29:55,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 77 states have (on average 1.051948051948052) internal successors, (81), 78 states have internal predecessors, (81), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:29:55,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 89 transitions. [2022-04-28 10:29:55,333 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 89 transitions. Word has length 75 [2022-04-28 10:29:55,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 10:29:55,333 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 89 transitions. [2022-04-28 10:29:55,333 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 66 states have (on average 1.0757575757575757) internal successors, (71), 65 states have internal predecessors, (71), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:29:55,333 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 85 states and 89 transitions. [2022-04-28 10:29:55,410 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 89 edges. 89 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:29:55,410 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 89 transitions. [2022-04-28 10:29:55,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-04-28 10:29:55,411 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 10:29:55,411 INFO L195 NwaCegarLoop]: trace histogram [63, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 10:29:55,427 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (63)] Ended with exit code 0 [2022-04-28 10:29:55,611 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 63 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable65 [2022-04-28 10:29:55,612 INFO L420 AbstractCegarLoop]: === Iteration 67 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 10:29:55,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 10:29:55,612 INFO L85 PathProgramCache]: Analyzing trace with hash -1656430238, now seen corresponding path program 125 times [2022-04-28 10:29:55,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 10:29:55,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [490703405] [2022-04-28 10:29:55,614 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-28 10:29:55,614 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-28 10:29:55,614 INFO L85 PathProgramCache]: Analyzing trace with hash -1656430238, now seen corresponding path program 126 times [2022-04-28 10:29:55,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 10:29:55,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106943984] [2022-04-28 10:29:55,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 10:29:55,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 10:29:55,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:29:57,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 10:29:57,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:29:57,413 INFO L290 TraceCheckUtils]: 0: Hoare triple {52059#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {51990#true} is VALID [2022-04-28 10:29:57,413 INFO L290 TraceCheckUtils]: 1: Hoare triple {51990#true} assume true; {51990#true} is VALID [2022-04-28 10:29:57,413 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {51990#true} {51990#true} #63#return; {51990#true} is VALID [2022-04-28 10:29:57,414 INFO L272 TraceCheckUtils]: 0: Hoare triple {51990#true} call ULTIMATE.init(); {52059#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 10:29:57,414 INFO L290 TraceCheckUtils]: 1: Hoare triple {52059#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {51990#true} is VALID [2022-04-28 10:29:57,414 INFO L290 TraceCheckUtils]: 2: Hoare triple {51990#true} assume true; {51990#true} is VALID [2022-04-28 10:29:57,414 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {51990#true} {51990#true} #63#return; {51990#true} is VALID [2022-04-28 10:29:57,414 INFO L272 TraceCheckUtils]: 4: Hoare triple {51990#true} call #t~ret7 := main(); {51990#true} is VALID [2022-04-28 10:29:57,414 INFO L290 TraceCheckUtils]: 5: Hoare triple {51990#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {51990#true} is VALID [2022-04-28 10:29:57,414 INFO L290 TraceCheckUtils]: 6: Hoare triple {51990#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {51990#true} is VALID [2022-04-28 10:29:57,414 INFO L290 TraceCheckUtils]: 7: Hoare triple {51990#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {51995#(= main_~z~0 0)} is VALID [2022-04-28 10:29:57,415 INFO L290 TraceCheckUtils]: 8: Hoare triple {51995#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51996#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:29:57,415 INFO L290 TraceCheckUtils]: 9: Hoare triple {51996#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51997#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:29:57,416 INFO L290 TraceCheckUtils]: 10: Hoare triple {51997#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51998#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:29:57,416 INFO L290 TraceCheckUtils]: 11: Hoare triple {51998#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51999#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:29:57,417 INFO L290 TraceCheckUtils]: 12: Hoare triple {51999#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52000#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:29:57,417 INFO L290 TraceCheckUtils]: 13: Hoare triple {52000#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52001#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:29:57,418 INFO L290 TraceCheckUtils]: 14: Hoare triple {52001#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52002#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:29:57,418 INFO L290 TraceCheckUtils]: 15: Hoare triple {52002#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52003#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:29:57,419 INFO L290 TraceCheckUtils]: 16: Hoare triple {52003#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52004#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:29:57,419 INFO L290 TraceCheckUtils]: 17: Hoare triple {52004#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52005#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:29:57,419 INFO L290 TraceCheckUtils]: 18: Hoare triple {52005#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52006#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:29:57,420 INFO L290 TraceCheckUtils]: 19: Hoare triple {52006#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52007#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:29:57,420 INFO L290 TraceCheckUtils]: 20: Hoare triple {52007#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52008#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:29:57,421 INFO L290 TraceCheckUtils]: 21: Hoare triple {52008#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52009#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:29:57,421 INFO L290 TraceCheckUtils]: 22: Hoare triple {52009#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52010#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:29:57,422 INFO L290 TraceCheckUtils]: 23: Hoare triple {52010#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52011#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:29:57,422 INFO L290 TraceCheckUtils]: 24: Hoare triple {52011#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52012#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:29:57,423 INFO L290 TraceCheckUtils]: 25: Hoare triple {52012#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52013#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:29:57,423 INFO L290 TraceCheckUtils]: 26: Hoare triple {52013#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52014#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:29:57,424 INFO L290 TraceCheckUtils]: 27: Hoare triple {52014#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52015#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 10:29:57,424 INFO L290 TraceCheckUtils]: 28: Hoare triple {52015#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52016#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 10:29:57,425 INFO L290 TraceCheckUtils]: 29: Hoare triple {52016#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52017#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 10:29:57,425 INFO L290 TraceCheckUtils]: 30: Hoare triple {52017#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52018#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 10:29:57,425 INFO L290 TraceCheckUtils]: 31: Hoare triple {52018#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52019#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 10:29:57,426 INFO L290 TraceCheckUtils]: 32: Hoare triple {52019#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52020#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 10:29:57,426 INFO L290 TraceCheckUtils]: 33: Hoare triple {52020#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52021#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 10:29:57,427 INFO L290 TraceCheckUtils]: 34: Hoare triple {52021#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52022#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 10:29:57,427 INFO L290 TraceCheckUtils]: 35: Hoare triple {52022#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52023#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 10:29:57,428 INFO L290 TraceCheckUtils]: 36: Hoare triple {52023#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52024#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 10:29:57,429 INFO L290 TraceCheckUtils]: 37: Hoare triple {52024#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52025#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 10:29:57,429 INFO L290 TraceCheckUtils]: 38: Hoare triple {52025#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52026#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 10:29:57,430 INFO L290 TraceCheckUtils]: 39: Hoare triple {52026#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52027#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 10:29:57,430 INFO L290 TraceCheckUtils]: 40: Hoare triple {52027#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52028#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 10:29:57,431 INFO L290 TraceCheckUtils]: 41: Hoare triple {52028#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52029#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 10:29:57,431 INFO L290 TraceCheckUtils]: 42: Hoare triple {52029#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52030#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 10:29:57,432 INFO L290 TraceCheckUtils]: 43: Hoare triple {52030#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52031#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 10:29:57,432 INFO L290 TraceCheckUtils]: 44: Hoare triple {52031#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52032#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 10:29:57,433 INFO L290 TraceCheckUtils]: 45: Hoare triple {52032#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52033#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 10:29:57,433 INFO L290 TraceCheckUtils]: 46: Hoare triple {52033#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52034#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 10:29:57,434 INFO L290 TraceCheckUtils]: 47: Hoare triple {52034#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52035#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 10:29:57,434 INFO L290 TraceCheckUtils]: 48: Hoare triple {52035#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52036#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 10:29:57,435 INFO L290 TraceCheckUtils]: 49: Hoare triple {52036#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52037#(and (<= 42 main_~z~0) (<= main_~z~0 42))} is VALID [2022-04-28 10:29:57,435 INFO L290 TraceCheckUtils]: 50: Hoare triple {52037#(and (<= 42 main_~z~0) (<= main_~z~0 42))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52038#(and (<= main_~z~0 43) (<= 43 main_~z~0))} is VALID [2022-04-28 10:29:57,436 INFO L290 TraceCheckUtils]: 51: Hoare triple {52038#(and (<= main_~z~0 43) (<= 43 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52039#(and (<= main_~z~0 44) (<= 44 main_~z~0))} is VALID [2022-04-28 10:29:57,436 INFO L290 TraceCheckUtils]: 52: Hoare triple {52039#(and (<= main_~z~0 44) (<= 44 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52040#(and (<= main_~z~0 45) (<= 45 main_~z~0))} is VALID [2022-04-28 10:29:57,437 INFO L290 TraceCheckUtils]: 53: Hoare triple {52040#(and (<= main_~z~0 45) (<= 45 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52041#(and (<= 46 main_~z~0) (<= main_~z~0 46))} is VALID [2022-04-28 10:29:57,437 INFO L290 TraceCheckUtils]: 54: Hoare triple {52041#(and (<= 46 main_~z~0) (<= main_~z~0 46))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52042#(and (<= main_~z~0 47) (<= 47 main_~z~0))} is VALID [2022-04-28 10:29:57,438 INFO L290 TraceCheckUtils]: 55: Hoare triple {52042#(and (<= main_~z~0 47) (<= 47 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52043#(and (<= 48 main_~z~0) (<= main_~z~0 48))} is VALID [2022-04-28 10:29:57,438 INFO L290 TraceCheckUtils]: 56: Hoare triple {52043#(and (<= 48 main_~z~0) (<= main_~z~0 48))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52044#(and (<= 49 main_~z~0) (<= main_~z~0 49))} is VALID [2022-04-28 10:29:57,439 INFO L290 TraceCheckUtils]: 57: Hoare triple {52044#(and (<= 49 main_~z~0) (<= main_~z~0 49))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52045#(and (<= 50 main_~z~0) (<= main_~z~0 50))} is VALID [2022-04-28 10:29:57,439 INFO L290 TraceCheckUtils]: 58: Hoare triple {52045#(and (<= 50 main_~z~0) (<= main_~z~0 50))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52046#(and (<= main_~z~0 51) (<= 51 main_~z~0))} is VALID [2022-04-28 10:29:57,440 INFO L290 TraceCheckUtils]: 59: Hoare triple {52046#(and (<= main_~z~0 51) (<= 51 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52047#(and (<= 52 main_~z~0) (<= main_~z~0 52))} is VALID [2022-04-28 10:29:57,440 INFO L290 TraceCheckUtils]: 60: Hoare triple {52047#(and (<= 52 main_~z~0) (<= main_~z~0 52))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52048#(and (<= 53 main_~z~0) (<= main_~z~0 53))} is VALID [2022-04-28 10:29:57,441 INFO L290 TraceCheckUtils]: 61: Hoare triple {52048#(and (<= 53 main_~z~0) (<= main_~z~0 53))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52049#(and (<= main_~z~0 54) (<= 54 main_~z~0))} is VALID [2022-04-28 10:29:57,441 INFO L290 TraceCheckUtils]: 62: Hoare triple {52049#(and (<= main_~z~0 54) (<= 54 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52050#(and (<= 55 main_~z~0) (<= main_~z~0 55))} is VALID [2022-04-28 10:29:57,442 INFO L290 TraceCheckUtils]: 63: Hoare triple {52050#(and (<= 55 main_~z~0) (<= main_~z~0 55))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52051#(and (<= 56 main_~z~0) (<= main_~z~0 56))} is VALID [2022-04-28 10:29:57,442 INFO L290 TraceCheckUtils]: 64: Hoare triple {52051#(and (<= 56 main_~z~0) (<= main_~z~0 56))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52052#(and (<= main_~z~0 57) (<= 57 main_~z~0))} is VALID [2022-04-28 10:29:57,443 INFO L290 TraceCheckUtils]: 65: Hoare triple {52052#(and (<= main_~z~0 57) (<= 57 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52053#(and (<= 58 main_~z~0) (<= main_~z~0 58))} is VALID [2022-04-28 10:29:57,443 INFO L290 TraceCheckUtils]: 66: Hoare triple {52053#(and (<= 58 main_~z~0) (<= main_~z~0 58))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52054#(and (<= main_~z~0 59) (<= 59 main_~z~0))} is VALID [2022-04-28 10:29:57,444 INFO L290 TraceCheckUtils]: 67: Hoare triple {52054#(and (<= main_~z~0 59) (<= 59 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52055#(and (<= main_~z~0 60) (<= 60 main_~z~0))} is VALID [2022-04-28 10:29:57,444 INFO L290 TraceCheckUtils]: 68: Hoare triple {52055#(and (<= main_~z~0 60) (<= 60 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52056#(and (<= 61 main_~z~0) (<= main_~z~0 61))} is VALID [2022-04-28 10:29:57,445 INFO L290 TraceCheckUtils]: 69: Hoare triple {52056#(and (<= 61 main_~z~0) (<= main_~z~0 61))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52057#(and (<= 62 main_~z~0) (<= main_~z~0 62))} is VALID [2022-04-28 10:29:57,445 INFO L290 TraceCheckUtils]: 70: Hoare triple {52057#(and (<= 62 main_~z~0) (<= main_~z~0 62))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52058#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 63))} is VALID [2022-04-28 10:29:57,446 INFO L290 TraceCheckUtils]: 71: Hoare triple {52058#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 63))} assume !(~z~0 % 4294967296 < 268435455); {51991#false} is VALID [2022-04-28 10:29:57,446 INFO L272 TraceCheckUtils]: 72: Hoare triple {51991#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {51991#false} is VALID [2022-04-28 10:29:57,446 INFO L290 TraceCheckUtils]: 73: Hoare triple {51991#false} ~cond := #in~cond; {51991#false} is VALID [2022-04-28 10:29:57,446 INFO L290 TraceCheckUtils]: 74: Hoare triple {51991#false} assume 0 == ~cond; {51991#false} is VALID [2022-04-28 10:29:57,446 INFO L290 TraceCheckUtils]: 75: Hoare triple {51991#false} assume !false; {51991#false} is VALID [2022-04-28 10:29:57,447 INFO L134 CoverageAnalysis]: Checked inductivity of 2016 backedges. 0 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:29:57,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 10:29:57,447 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106943984] [2022-04-28 10:29:57,447 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106943984] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 10:29:57,447 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1706229406] [2022-04-28 10:29:57,447 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-04-28 10:29:57,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:29:57,447 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 10:29:57,448 INFO L229 MonitoredProcess]: Starting monitored process 64 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 10:29:57,449 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (64)] Waiting until timeout for monitored process [2022-04-28 10:30:32,625 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 33 check-sat command(s) [2022-04-28 10:30:32,625 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 10:30:32,647 WARN L261 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 133 conjunts are in the unsatisfiable core [2022-04-28 10:30:32,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:30:32,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 10:30:33,265 INFO L272 TraceCheckUtils]: 0: Hoare triple {51990#true} call ULTIMATE.init(); {51990#true} is VALID [2022-04-28 10:30:33,266 INFO L290 TraceCheckUtils]: 1: Hoare triple {51990#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {51990#true} is VALID [2022-04-28 10:30:33,266 INFO L290 TraceCheckUtils]: 2: Hoare triple {51990#true} assume true; {51990#true} is VALID [2022-04-28 10:30:33,266 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {51990#true} {51990#true} #63#return; {51990#true} is VALID [2022-04-28 10:30:33,266 INFO L272 TraceCheckUtils]: 4: Hoare triple {51990#true} call #t~ret7 := main(); {51990#true} is VALID [2022-04-28 10:30:33,266 INFO L290 TraceCheckUtils]: 5: Hoare triple {51990#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {51990#true} is VALID [2022-04-28 10:30:33,266 INFO L290 TraceCheckUtils]: 6: Hoare triple {51990#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {51990#true} is VALID [2022-04-28 10:30:33,266 INFO L290 TraceCheckUtils]: 7: Hoare triple {51990#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {51995#(= main_~z~0 0)} is VALID [2022-04-28 10:30:33,267 INFO L290 TraceCheckUtils]: 8: Hoare triple {51995#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51996#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:30:33,267 INFO L290 TraceCheckUtils]: 9: Hoare triple {51996#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51997#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:30:33,268 INFO L290 TraceCheckUtils]: 10: Hoare triple {51997#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51998#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:30:33,268 INFO L290 TraceCheckUtils]: 11: Hoare triple {51998#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {51999#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:30:33,268 INFO L290 TraceCheckUtils]: 12: Hoare triple {51999#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52000#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:30:33,269 INFO L290 TraceCheckUtils]: 13: Hoare triple {52000#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52001#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:30:33,269 INFO L290 TraceCheckUtils]: 14: Hoare triple {52001#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52002#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:30:33,270 INFO L290 TraceCheckUtils]: 15: Hoare triple {52002#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52003#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:30:33,270 INFO L290 TraceCheckUtils]: 16: Hoare triple {52003#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52004#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:30:33,271 INFO L290 TraceCheckUtils]: 17: Hoare triple {52004#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52005#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:30:33,271 INFO L290 TraceCheckUtils]: 18: Hoare triple {52005#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52006#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:30:33,272 INFO L290 TraceCheckUtils]: 19: Hoare triple {52006#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52007#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:30:33,272 INFO L290 TraceCheckUtils]: 20: Hoare triple {52007#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52008#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:30:33,272 INFO L290 TraceCheckUtils]: 21: Hoare triple {52008#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52009#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:30:33,273 INFO L290 TraceCheckUtils]: 22: Hoare triple {52009#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52010#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:30:33,273 INFO L290 TraceCheckUtils]: 23: Hoare triple {52010#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52011#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:30:33,274 INFO L290 TraceCheckUtils]: 24: Hoare triple {52011#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52012#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:30:33,274 INFO L290 TraceCheckUtils]: 25: Hoare triple {52012#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52013#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:30:33,275 INFO L290 TraceCheckUtils]: 26: Hoare triple {52013#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52014#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:30:33,275 INFO L290 TraceCheckUtils]: 27: Hoare triple {52014#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52015#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 10:30:33,276 INFO L290 TraceCheckUtils]: 28: Hoare triple {52015#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52016#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 10:30:33,276 INFO L290 TraceCheckUtils]: 29: Hoare triple {52016#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52017#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 10:30:33,277 INFO L290 TraceCheckUtils]: 30: Hoare triple {52017#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52018#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 10:30:33,277 INFO L290 TraceCheckUtils]: 31: Hoare triple {52018#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52019#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 10:30:33,277 INFO L290 TraceCheckUtils]: 32: Hoare triple {52019#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52020#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 10:30:33,278 INFO L290 TraceCheckUtils]: 33: Hoare triple {52020#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52021#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 10:30:33,278 INFO L290 TraceCheckUtils]: 34: Hoare triple {52021#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52022#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 10:30:33,279 INFO L290 TraceCheckUtils]: 35: Hoare triple {52022#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52023#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 10:30:33,279 INFO L290 TraceCheckUtils]: 36: Hoare triple {52023#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52024#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 10:30:33,280 INFO L290 TraceCheckUtils]: 37: Hoare triple {52024#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52025#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 10:30:33,280 INFO L290 TraceCheckUtils]: 38: Hoare triple {52025#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52026#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 10:30:33,281 INFO L290 TraceCheckUtils]: 39: Hoare triple {52026#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52027#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 10:30:33,281 INFO L290 TraceCheckUtils]: 40: Hoare triple {52027#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52028#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 10:30:33,282 INFO L290 TraceCheckUtils]: 41: Hoare triple {52028#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52029#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 10:30:33,282 INFO L290 TraceCheckUtils]: 42: Hoare triple {52029#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52030#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 10:30:33,282 INFO L290 TraceCheckUtils]: 43: Hoare triple {52030#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52031#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 10:30:33,283 INFO L290 TraceCheckUtils]: 44: Hoare triple {52031#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52032#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 10:30:33,283 INFO L290 TraceCheckUtils]: 45: Hoare triple {52032#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52033#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 10:30:33,284 INFO L290 TraceCheckUtils]: 46: Hoare triple {52033#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52034#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 10:30:33,284 INFO L290 TraceCheckUtils]: 47: Hoare triple {52034#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52035#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 10:30:33,285 INFO L290 TraceCheckUtils]: 48: Hoare triple {52035#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52036#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 10:30:33,285 INFO L290 TraceCheckUtils]: 49: Hoare triple {52036#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52037#(and (<= 42 main_~z~0) (<= main_~z~0 42))} is VALID [2022-04-28 10:30:33,286 INFO L290 TraceCheckUtils]: 50: Hoare triple {52037#(and (<= 42 main_~z~0) (<= main_~z~0 42))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52038#(and (<= main_~z~0 43) (<= 43 main_~z~0))} is VALID [2022-04-28 10:30:33,286 INFO L290 TraceCheckUtils]: 51: Hoare triple {52038#(and (<= main_~z~0 43) (<= 43 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52039#(and (<= main_~z~0 44) (<= 44 main_~z~0))} is VALID [2022-04-28 10:30:33,287 INFO L290 TraceCheckUtils]: 52: Hoare triple {52039#(and (<= main_~z~0 44) (<= 44 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52040#(and (<= main_~z~0 45) (<= 45 main_~z~0))} is VALID [2022-04-28 10:30:33,287 INFO L290 TraceCheckUtils]: 53: Hoare triple {52040#(and (<= main_~z~0 45) (<= 45 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52041#(and (<= 46 main_~z~0) (<= main_~z~0 46))} is VALID [2022-04-28 10:30:33,287 INFO L290 TraceCheckUtils]: 54: Hoare triple {52041#(and (<= 46 main_~z~0) (<= main_~z~0 46))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52042#(and (<= main_~z~0 47) (<= 47 main_~z~0))} is VALID [2022-04-28 10:30:33,288 INFO L290 TraceCheckUtils]: 55: Hoare triple {52042#(and (<= main_~z~0 47) (<= 47 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52043#(and (<= 48 main_~z~0) (<= main_~z~0 48))} is VALID [2022-04-28 10:30:33,288 INFO L290 TraceCheckUtils]: 56: Hoare triple {52043#(and (<= 48 main_~z~0) (<= main_~z~0 48))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52044#(and (<= 49 main_~z~0) (<= main_~z~0 49))} is VALID [2022-04-28 10:30:33,289 INFO L290 TraceCheckUtils]: 57: Hoare triple {52044#(and (<= 49 main_~z~0) (<= main_~z~0 49))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52045#(and (<= 50 main_~z~0) (<= main_~z~0 50))} is VALID [2022-04-28 10:30:33,289 INFO L290 TraceCheckUtils]: 58: Hoare triple {52045#(and (<= 50 main_~z~0) (<= main_~z~0 50))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52046#(and (<= main_~z~0 51) (<= 51 main_~z~0))} is VALID [2022-04-28 10:30:33,290 INFO L290 TraceCheckUtils]: 59: Hoare triple {52046#(and (<= main_~z~0 51) (<= 51 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52047#(and (<= 52 main_~z~0) (<= main_~z~0 52))} is VALID [2022-04-28 10:30:33,290 INFO L290 TraceCheckUtils]: 60: Hoare triple {52047#(and (<= 52 main_~z~0) (<= main_~z~0 52))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52048#(and (<= 53 main_~z~0) (<= main_~z~0 53))} is VALID [2022-04-28 10:30:33,291 INFO L290 TraceCheckUtils]: 61: Hoare triple {52048#(and (<= 53 main_~z~0) (<= main_~z~0 53))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52049#(and (<= main_~z~0 54) (<= 54 main_~z~0))} is VALID [2022-04-28 10:30:33,291 INFO L290 TraceCheckUtils]: 62: Hoare triple {52049#(and (<= main_~z~0 54) (<= 54 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52050#(and (<= 55 main_~z~0) (<= main_~z~0 55))} is VALID [2022-04-28 10:30:33,291 INFO L290 TraceCheckUtils]: 63: Hoare triple {52050#(and (<= 55 main_~z~0) (<= main_~z~0 55))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52051#(and (<= 56 main_~z~0) (<= main_~z~0 56))} is VALID [2022-04-28 10:30:33,292 INFO L290 TraceCheckUtils]: 64: Hoare triple {52051#(and (<= 56 main_~z~0) (<= main_~z~0 56))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52052#(and (<= main_~z~0 57) (<= 57 main_~z~0))} is VALID [2022-04-28 10:30:33,292 INFO L290 TraceCheckUtils]: 65: Hoare triple {52052#(and (<= main_~z~0 57) (<= 57 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52053#(and (<= 58 main_~z~0) (<= main_~z~0 58))} is VALID [2022-04-28 10:30:33,293 INFO L290 TraceCheckUtils]: 66: Hoare triple {52053#(and (<= 58 main_~z~0) (<= main_~z~0 58))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52054#(and (<= main_~z~0 59) (<= 59 main_~z~0))} is VALID [2022-04-28 10:30:33,293 INFO L290 TraceCheckUtils]: 67: Hoare triple {52054#(and (<= main_~z~0 59) (<= 59 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52055#(and (<= main_~z~0 60) (<= 60 main_~z~0))} is VALID [2022-04-28 10:30:33,294 INFO L290 TraceCheckUtils]: 68: Hoare triple {52055#(and (<= main_~z~0 60) (<= 60 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52056#(and (<= 61 main_~z~0) (<= main_~z~0 61))} is VALID [2022-04-28 10:30:33,294 INFO L290 TraceCheckUtils]: 69: Hoare triple {52056#(and (<= 61 main_~z~0) (<= main_~z~0 61))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52057#(and (<= 62 main_~z~0) (<= main_~z~0 62))} is VALID [2022-04-28 10:30:33,295 INFO L290 TraceCheckUtils]: 70: Hoare triple {52057#(and (<= 62 main_~z~0) (<= main_~z~0 62))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52273#(and (<= 63 main_~z~0) (<= main_~z~0 63))} is VALID [2022-04-28 10:30:33,295 INFO L290 TraceCheckUtils]: 71: Hoare triple {52273#(and (<= 63 main_~z~0) (<= main_~z~0 63))} assume !(~z~0 % 4294967296 < 268435455); {51991#false} is VALID [2022-04-28 10:30:33,295 INFO L272 TraceCheckUtils]: 72: Hoare triple {51991#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {51991#false} is VALID [2022-04-28 10:30:33,295 INFO L290 TraceCheckUtils]: 73: Hoare triple {51991#false} ~cond := #in~cond; {51991#false} is VALID [2022-04-28 10:30:33,295 INFO L290 TraceCheckUtils]: 74: Hoare triple {51991#false} assume 0 == ~cond; {51991#false} is VALID [2022-04-28 10:30:33,295 INFO L290 TraceCheckUtils]: 75: Hoare triple {51991#false} assume !false; {51991#false} is VALID [2022-04-28 10:30:33,296 INFO L134 CoverageAnalysis]: Checked inductivity of 2016 backedges. 0 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:30:33,296 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 10:31:23,036 INFO L290 TraceCheckUtils]: 75: Hoare triple {51991#false} assume !false; {51991#false} is VALID [2022-04-28 10:31:23,037 INFO L290 TraceCheckUtils]: 74: Hoare triple {52292#(not (<= __VERIFIER_assert_~cond 0))} assume 0 == ~cond; {51991#false} is VALID [2022-04-28 10:31:23,037 INFO L290 TraceCheckUtils]: 73: Hoare triple {52296#(< 0 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {52292#(not (<= __VERIFIER_assert_~cond 0))} is VALID [2022-04-28 10:31:23,038 INFO L272 TraceCheckUtils]: 72: Hoare triple {52300#(= (mod main_~z~0 4) 0)} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {52296#(< 0 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-28 10:31:23,038 INFO L290 TraceCheckUtils]: 71: Hoare triple {52304#(or (< (mod main_~z~0 4294967296) 268435455) (= (mod main_~z~0 4) 0))} assume !(~z~0 % 4294967296 < 268435455); {52300#(= (mod main_~z~0 4) 0)} is VALID [2022-04-28 10:31:23,039 INFO L290 TraceCheckUtils]: 70: Hoare triple {52308#(or (< (mod (+ main_~z~0 1) 4294967296) 268435455) (= (mod (+ main_~z~0 1) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52304#(or (< (mod main_~z~0 4294967296) 268435455) (= (mod main_~z~0 4) 0))} is VALID [2022-04-28 10:31:23,040 INFO L290 TraceCheckUtils]: 69: Hoare triple {52312#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 2) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52308#(or (< (mod (+ main_~z~0 1) 4294967296) 268435455) (= (mod (+ main_~z~0 1) 4) 0))} is VALID [2022-04-28 10:31:23,040 INFO L290 TraceCheckUtils]: 68: Hoare triple {52316#(or (< (mod (+ main_~z~0 3) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52312#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 2) 4294967296) 268435455))} is VALID [2022-04-28 10:31:23,042 INFO L290 TraceCheckUtils]: 67: Hoare triple {52320#(or (not (< (mod main_~z~0 4294967296) 268435455)) (= (mod main_~z~0 4) 0) (< (mod (+ main_~z~0 4) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52316#(or (< (mod (+ main_~z~0 3) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} is VALID [2022-04-28 10:31:23,043 INFO L290 TraceCheckUtils]: 66: Hoare triple {52324#(or (not (< (mod (+ main_~z~0 1) 4294967296) 268435455)) (< (mod (+ 5 main_~z~0) 4294967296) 268435455) (= (mod (+ main_~z~0 1) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52320#(or (not (< (mod main_~z~0 4294967296) 268435455)) (= (mod main_~z~0 4) 0) (< (mod (+ main_~z~0 4) 4294967296) 268435455))} is VALID [2022-04-28 10:31:23,044 INFO L290 TraceCheckUtils]: 65: Hoare triple {52328#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 6) 4294967296) 268435455) (not (< (mod (+ main_~z~0 2) 4294967296) 268435455)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52324#(or (not (< (mod (+ main_~z~0 1) 4294967296) 268435455)) (< (mod (+ 5 main_~z~0) 4294967296) 268435455) (= (mod (+ main_~z~0 1) 4) 0))} is VALID [2022-04-28 10:31:23,045 INFO L290 TraceCheckUtils]: 64: Hoare triple {52332#(or (< (mod (+ 7 main_~z~0) 4294967296) 268435455) (not (< (mod (+ main_~z~0 3) 4294967296) 268435455)) (= (mod (+ main_~z~0 3) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52328#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 6) 4294967296) 268435455) (not (< (mod (+ main_~z~0 2) 4294967296) 268435455)))} is VALID [2022-04-28 10:31:23,054 INFO L290 TraceCheckUtils]: 63: Hoare triple {52336#(or (< (mod (+ main_~z~0 8) 4294967296) 268435455) (not (< (mod (+ main_~z~0 4) 4294967296) 268435455)) (= (mod main_~z~0 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52332#(or (< (mod (+ 7 main_~z~0) 4294967296) 268435455) (not (< (mod (+ main_~z~0 3) 4294967296) 268435455)) (= (mod (+ main_~z~0 3) 4) 0))} is VALID [2022-04-28 10:31:23,069 INFO L290 TraceCheckUtils]: 62: Hoare triple {52340#(or (not (< (mod (+ 5 main_~z~0) 4294967296) 268435455)) (= (mod (+ main_~z~0 1) 4) 0) (< (mod (+ main_~z~0 9) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52336#(or (< (mod (+ main_~z~0 8) 4294967296) 268435455) (not (< (mod (+ main_~z~0 4) 4294967296) 268435455)) (= (mod main_~z~0 4) 0))} is VALID [2022-04-28 10:31:23,070 INFO L290 TraceCheckUtils]: 61: Hoare triple {52344#(or (= (mod (+ main_~z~0 2) 4) 0) (not (< (mod (+ main_~z~0 6) 4294967296) 268435455)) (< (mod (+ main_~z~0 10) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52340#(or (not (< (mod (+ 5 main_~z~0) 4294967296) 268435455)) (= (mod (+ main_~z~0 1) 4) 0) (< (mod (+ main_~z~0 9) 4294967296) 268435455))} is VALID [2022-04-28 10:31:23,070 INFO L290 TraceCheckUtils]: 60: Hoare triple {52348#(or (< (mod (+ main_~z~0 11) 4294967296) 268435455) (not (< (mod (+ 7 main_~z~0) 4294967296) 268435455)) (= (mod (+ main_~z~0 3) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52344#(or (= (mod (+ main_~z~0 2) 4) 0) (not (< (mod (+ main_~z~0 6) 4294967296) 268435455)) (< (mod (+ main_~z~0 10) 4294967296) 268435455))} is VALID [2022-04-28 10:31:23,088 INFO L290 TraceCheckUtils]: 59: Hoare triple {52352#(or (not (< (mod (+ main_~z~0 8) 4294967296) 268435455)) (= (mod main_~z~0 4) 0) (< (mod (+ main_~z~0 12) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52348#(or (< (mod (+ main_~z~0 11) 4294967296) 268435455) (not (< (mod (+ 7 main_~z~0) 4294967296) 268435455)) (= (mod (+ main_~z~0 3) 4) 0))} is VALID [2022-04-28 10:31:23,089 INFO L290 TraceCheckUtils]: 58: Hoare triple {52356#(or (< (mod (+ main_~z~0 13) 4294967296) 268435455) (not (< (mod (+ main_~z~0 9) 4294967296) 268435455)) (= (mod (+ main_~z~0 1) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52352#(or (not (< (mod (+ main_~z~0 8) 4294967296) 268435455)) (= (mod main_~z~0 4) 0) (< (mod (+ main_~z~0 12) 4294967296) 268435455))} is VALID [2022-04-28 10:31:23,090 INFO L290 TraceCheckUtils]: 57: Hoare triple {52360#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 14) 4294967296) 268435455) (not (< (mod (+ main_~z~0 10) 4294967296) 268435455)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52356#(or (< (mod (+ main_~z~0 13) 4294967296) 268435455) (not (< (mod (+ main_~z~0 9) 4294967296) 268435455)) (= (mod (+ main_~z~0 1) 4) 0))} is VALID [2022-04-28 10:31:23,091 INFO L290 TraceCheckUtils]: 56: Hoare triple {52364#(or (< (mod (+ main_~z~0 15) 4294967296) 268435455) (not (< (mod (+ main_~z~0 11) 4294967296) 268435455)) (= (mod (+ main_~z~0 3) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52360#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 14) 4294967296) 268435455) (not (< (mod (+ main_~z~0 10) 4294967296) 268435455)))} is VALID [2022-04-28 10:31:23,098 INFO L290 TraceCheckUtils]: 55: Hoare triple {52368#(or (< (mod (+ main_~z~0 16) 4294967296) 268435455) (not (< (mod (+ main_~z~0 12) 4294967296) 268435455)) (= (mod main_~z~0 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52364#(or (< (mod (+ main_~z~0 15) 4294967296) 268435455) (not (< (mod (+ main_~z~0 11) 4294967296) 268435455)) (= (mod (+ main_~z~0 3) 4) 0))} is VALID [2022-04-28 10:31:23,099 INFO L290 TraceCheckUtils]: 54: Hoare triple {52372#(or (< (mod (+ main_~z~0 17) 4294967296) 268435455) (= (mod (+ main_~z~0 1) 4) 0) (not (< (mod (+ main_~z~0 13) 4294967296) 268435455)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52368#(or (< (mod (+ main_~z~0 16) 4294967296) 268435455) (not (< (mod (+ main_~z~0 12) 4294967296) 268435455)) (= (mod main_~z~0 4) 0))} is VALID [2022-04-28 10:31:23,100 INFO L290 TraceCheckUtils]: 53: Hoare triple {52376#(or (= (mod (+ main_~z~0 2) 4) 0) (not (< (mod (+ main_~z~0 14) 4294967296) 268435455)) (< (mod (+ main_~z~0 18) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52372#(or (< (mod (+ main_~z~0 17) 4294967296) 268435455) (= (mod (+ main_~z~0 1) 4) 0) (not (< (mod (+ main_~z~0 13) 4294967296) 268435455)))} is VALID [2022-04-28 10:31:23,101 INFO L290 TraceCheckUtils]: 52: Hoare triple {52380#(or (not (< (mod (+ main_~z~0 15) 4294967296) 268435455)) (< (mod (+ 19 main_~z~0) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52376#(or (= (mod (+ main_~z~0 2) 4) 0) (not (< (mod (+ main_~z~0 14) 4294967296) 268435455)) (< (mod (+ main_~z~0 18) 4294967296) 268435455))} is VALID [2022-04-28 10:31:23,135 INFO L290 TraceCheckUtils]: 51: Hoare triple {52384#(or (< (mod (+ main_~z~0 20) 4294967296) 268435455) (not (< (mod (+ main_~z~0 16) 4294967296) 268435455)) (= (mod main_~z~0 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52380#(or (not (< (mod (+ main_~z~0 15) 4294967296) 268435455)) (< (mod (+ 19 main_~z~0) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} is VALID [2022-04-28 10:31:23,136 INFO L290 TraceCheckUtils]: 50: Hoare triple {52388#(or (< (mod (+ main_~z~0 21) 4294967296) 268435455) (not (< (mod (+ main_~z~0 17) 4294967296) 268435455)) (= (mod (+ main_~z~0 1) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52384#(or (< (mod (+ main_~z~0 20) 4294967296) 268435455) (not (< (mod (+ main_~z~0 16) 4294967296) 268435455)) (= (mod main_~z~0 4) 0))} is VALID [2022-04-28 10:31:23,136 INFO L290 TraceCheckUtils]: 49: Hoare triple {52392#(or (= (mod (+ main_~z~0 2) 4) 0) (not (< (mod (+ main_~z~0 18) 4294967296) 268435455)) (< (mod (+ main_~z~0 22) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52388#(or (< (mod (+ main_~z~0 21) 4294967296) 268435455) (not (< (mod (+ main_~z~0 17) 4294967296) 268435455)) (= (mod (+ main_~z~0 1) 4) 0))} is VALID [2022-04-28 10:31:23,137 INFO L290 TraceCheckUtils]: 48: Hoare triple {52396#(or (not (< (mod (+ 19 main_~z~0) 4294967296) 268435455)) (< (mod (+ 23 main_~z~0) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52392#(or (= (mod (+ main_~z~0 2) 4) 0) (not (< (mod (+ main_~z~0 18) 4294967296) 268435455)) (< (mod (+ main_~z~0 22) 4294967296) 268435455))} is VALID [2022-04-28 10:31:23,160 INFO L290 TraceCheckUtils]: 47: Hoare triple {52400#(or (not (< (mod (+ main_~z~0 20) 4294967296) 268435455)) (< (mod (+ main_~z~0 24) 4294967296) 268435455) (= (mod main_~z~0 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52396#(or (not (< (mod (+ 19 main_~z~0) 4294967296) 268435455)) (< (mod (+ 23 main_~z~0) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} is VALID [2022-04-28 10:31:23,161 INFO L290 TraceCheckUtils]: 46: Hoare triple {52404#(or (not (< (mod (+ main_~z~0 21) 4294967296) 268435455)) (= (mod (+ main_~z~0 1) 4) 0) (< (mod (+ main_~z~0 25) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52400#(or (not (< (mod (+ main_~z~0 20) 4294967296) 268435455)) (< (mod (+ main_~z~0 24) 4294967296) 268435455) (= (mod main_~z~0 4) 0))} is VALID [2022-04-28 10:31:23,162 INFO L290 TraceCheckUtils]: 45: Hoare triple {52408#(or (= (mod (+ main_~z~0 2) 4) 0) (not (< (mod (+ main_~z~0 22) 4294967296) 268435455)) (< (mod (+ main_~z~0 26) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52404#(or (not (< (mod (+ main_~z~0 21) 4294967296) 268435455)) (= (mod (+ main_~z~0 1) 4) 0) (< (mod (+ main_~z~0 25) 4294967296) 268435455))} is VALID [2022-04-28 10:31:23,163 INFO L290 TraceCheckUtils]: 44: Hoare triple {52412#(or (not (< (mod (+ 23 main_~z~0) 4294967296) 268435455)) (< (mod (+ main_~z~0 27) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52408#(or (= (mod (+ main_~z~0 2) 4) 0) (not (< (mod (+ main_~z~0 22) 4294967296) 268435455)) (< (mod (+ main_~z~0 26) 4294967296) 268435455))} is VALID [2022-04-28 10:31:23,166 INFO L290 TraceCheckUtils]: 43: Hoare triple {52416#(or (< (mod (+ main_~z~0 28) 4294967296) 268435455) (not (< (mod (+ main_~z~0 24) 4294967296) 268435455)) (= (mod main_~z~0 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52412#(or (not (< (mod (+ 23 main_~z~0) 4294967296) 268435455)) (< (mod (+ main_~z~0 27) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} is VALID [2022-04-28 10:31:23,167 INFO L290 TraceCheckUtils]: 42: Hoare triple {52420#(or (= (mod (+ main_~z~0 1) 4) 0) (< (mod (+ 29 main_~z~0) 4294967296) 268435455) (not (< (mod (+ main_~z~0 25) 4294967296) 268435455)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52416#(or (< (mod (+ main_~z~0 28) 4294967296) 268435455) (not (< (mod (+ main_~z~0 24) 4294967296) 268435455)) (= (mod main_~z~0 4) 0))} is VALID [2022-04-28 10:31:23,168 INFO L290 TraceCheckUtils]: 41: Hoare triple {52424#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ 30 main_~z~0) 4294967296) 268435455) (not (< (mod (+ main_~z~0 26) 4294967296) 268435455)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52420#(or (= (mod (+ main_~z~0 1) 4) 0) (< (mod (+ 29 main_~z~0) 4294967296) 268435455) (not (< (mod (+ main_~z~0 25) 4294967296) 268435455)))} is VALID [2022-04-28 10:31:23,169 INFO L290 TraceCheckUtils]: 40: Hoare triple {52428#(or (< (mod (+ main_~z~0 31) 4294967296) 268435455) (not (< (mod (+ main_~z~0 27) 4294967296) 268435455)) (= (mod (+ main_~z~0 3) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52424#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ 30 main_~z~0) 4294967296) 268435455) (not (< (mod (+ main_~z~0 26) 4294967296) 268435455)))} is VALID [2022-04-28 10:31:23,180 INFO L290 TraceCheckUtils]: 39: Hoare triple {52432#(or (not (< (mod (+ main_~z~0 28) 4294967296) 268435455)) (< (mod (+ 32 main_~z~0) 4294967296) 268435455) (= (mod main_~z~0 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52428#(or (< (mod (+ main_~z~0 31) 4294967296) 268435455) (not (< (mod (+ main_~z~0 27) 4294967296) 268435455)) (= (mod (+ main_~z~0 3) 4) 0))} is VALID [2022-04-28 10:31:23,181 INFO L290 TraceCheckUtils]: 38: Hoare triple {52436#(or (not (< (mod (+ 29 main_~z~0) 4294967296) 268435455)) (< (mod (+ main_~z~0 33) 4294967296) 268435455) (= (mod (+ main_~z~0 1) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52432#(or (not (< (mod (+ main_~z~0 28) 4294967296) 268435455)) (< (mod (+ 32 main_~z~0) 4294967296) 268435455) (= (mod main_~z~0 4) 0))} is VALID [2022-04-28 10:31:23,181 INFO L290 TraceCheckUtils]: 37: Hoare triple {52440#(or (= (mod (+ main_~z~0 2) 4) 0) (not (< (mod (+ 30 main_~z~0) 4294967296) 268435455)) (< (mod (+ main_~z~0 34) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52436#(or (not (< (mod (+ 29 main_~z~0) 4294967296) 268435455)) (< (mod (+ main_~z~0 33) 4294967296) 268435455) (= (mod (+ main_~z~0 1) 4) 0))} is VALID [2022-04-28 10:31:23,182 INFO L290 TraceCheckUtils]: 36: Hoare triple {52444#(or (< (mod (+ 35 main_~z~0) 4294967296) 268435455) (not (< (mod (+ main_~z~0 31) 4294967296) 268435455)) (= (mod (+ main_~z~0 3) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52440#(or (= (mod (+ main_~z~0 2) 4) 0) (not (< (mod (+ 30 main_~z~0) 4294967296) 268435455)) (< (mod (+ main_~z~0 34) 4294967296) 268435455))} is VALID [2022-04-28 10:31:23,186 INFO L290 TraceCheckUtils]: 35: Hoare triple {52448#(or (< (mod (+ main_~z~0 36) 4294967296) 268435455) (not (< (mod (+ 32 main_~z~0) 4294967296) 268435455)) (= (mod main_~z~0 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52444#(or (< (mod (+ 35 main_~z~0) 4294967296) 268435455) (not (< (mod (+ main_~z~0 31) 4294967296) 268435455)) (= (mod (+ main_~z~0 3) 4) 0))} is VALID [2022-04-28 10:31:23,187 INFO L290 TraceCheckUtils]: 34: Hoare triple {52452#(or (< (mod (+ main_~z~0 37) 4294967296) 268435455) (= (mod (+ main_~z~0 1) 4) 0) (not (< (mod (+ main_~z~0 33) 4294967296) 268435455)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52448#(or (< (mod (+ main_~z~0 36) 4294967296) 268435455) (not (< (mod (+ 32 main_~z~0) 4294967296) 268435455)) (= (mod main_~z~0 4) 0))} is VALID [2022-04-28 10:31:23,188 INFO L290 TraceCheckUtils]: 33: Hoare triple {52456#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 38) 4294967296) 268435455) (not (< (mod (+ main_~z~0 34) 4294967296) 268435455)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52452#(or (< (mod (+ main_~z~0 37) 4294967296) 268435455) (= (mod (+ main_~z~0 1) 4) 0) (not (< (mod (+ main_~z~0 33) 4294967296) 268435455)))} is VALID [2022-04-28 10:31:23,189 INFO L290 TraceCheckUtils]: 32: Hoare triple {52460#(or (< (mod (+ main_~z~0 39) 4294967296) 268435455) (not (< (mod (+ 35 main_~z~0) 4294967296) 268435455)) (= (mod (+ main_~z~0 3) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52456#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 38) 4294967296) 268435455) (not (< (mod (+ main_~z~0 34) 4294967296) 268435455)))} is VALID [2022-04-28 10:31:23,192 INFO L290 TraceCheckUtils]: 31: Hoare triple {52464#(or (< (mod (+ 40 main_~z~0) 4294967296) 268435455) (not (< (mod (+ main_~z~0 36) 4294967296) 268435455)) (= (mod main_~z~0 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52460#(or (< (mod (+ main_~z~0 39) 4294967296) 268435455) (not (< (mod (+ 35 main_~z~0) 4294967296) 268435455)) (= (mod (+ main_~z~0 3) 4) 0))} is VALID [2022-04-28 10:31:23,221 INFO L290 TraceCheckUtils]: 30: Hoare triple {52468#(or (= (mod (+ main_~z~0 1) 4) 0) (< (mod (+ 41 main_~z~0) 4294967296) 268435455) (not (< (mod (+ main_~z~0 37) 4294967296) 268435455)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52464#(or (< (mod (+ 40 main_~z~0) 4294967296) 268435455) (not (< (mod (+ main_~z~0 36) 4294967296) 268435455)) (= (mod main_~z~0 4) 0))} is VALID [2022-04-28 10:31:23,222 INFO L290 TraceCheckUtils]: 29: Hoare triple {52472#(or (= (mod (+ main_~z~0 2) 4) 0) (not (< (mod (+ main_~z~0 38) 4294967296) 268435455)) (< (mod (+ 42 main_~z~0) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52468#(or (= (mod (+ main_~z~0 1) 4) 0) (< (mod (+ 41 main_~z~0) 4294967296) 268435455) (not (< (mod (+ main_~z~0 37) 4294967296) 268435455)))} is VALID [2022-04-28 10:31:23,223 INFO L290 TraceCheckUtils]: 28: Hoare triple {52476#(or (< (mod (+ main_~z~0 43) 4294967296) 268435455) (not (< (mod (+ main_~z~0 39) 4294967296) 268435455)) (= (mod (+ main_~z~0 3) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52472#(or (= (mod (+ main_~z~0 2) 4) 0) (not (< (mod (+ main_~z~0 38) 4294967296) 268435455)) (< (mod (+ 42 main_~z~0) 4294967296) 268435455))} is VALID [2022-04-28 10:31:23,229 INFO L290 TraceCheckUtils]: 27: Hoare triple {52480#(or (not (< (mod (+ 40 main_~z~0) 4294967296) 268435455)) (< (mod (+ 44 main_~z~0) 4294967296) 268435455) (= (mod main_~z~0 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52476#(or (< (mod (+ main_~z~0 43) 4294967296) 268435455) (not (< (mod (+ main_~z~0 39) 4294967296) 268435455)) (= (mod (+ main_~z~0 3) 4) 0))} is VALID [2022-04-28 10:31:23,230 INFO L290 TraceCheckUtils]: 26: Hoare triple {52484#(or (< (mod (+ main_~z~0 45) 4294967296) 268435455) (= (mod (+ main_~z~0 1) 4) 0) (not (< (mod (+ 41 main_~z~0) 4294967296) 268435455)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52480#(or (not (< (mod (+ 40 main_~z~0) 4294967296) 268435455)) (< (mod (+ 44 main_~z~0) 4294967296) 268435455) (= (mod main_~z~0 4) 0))} is VALID [2022-04-28 10:31:23,231 INFO L290 TraceCheckUtils]: 25: Hoare triple {52488#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 46) 4294967296) 268435455) (not (< (mod (+ 42 main_~z~0) 4294967296) 268435455)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52484#(or (< (mod (+ main_~z~0 45) 4294967296) 268435455) (= (mod (+ main_~z~0 1) 4) 0) (not (< (mod (+ 41 main_~z~0) 4294967296) 268435455)))} is VALID [2022-04-28 10:31:23,232 INFO L290 TraceCheckUtils]: 24: Hoare triple {52492#(or (< (mod (+ main_~z~0 47) 4294967296) 268435455) (not (< (mod (+ main_~z~0 43) 4294967296) 268435455)) (= (mod (+ main_~z~0 3) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52488#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 46) 4294967296) 268435455) (not (< (mod (+ 42 main_~z~0) 4294967296) 268435455)))} is VALID [2022-04-28 10:31:23,245 INFO L290 TraceCheckUtils]: 23: Hoare triple {52496#(or (not (< (mod (+ 44 main_~z~0) 4294967296) 268435455)) (= (mod main_~z~0 4) 0) (< (mod (+ main_~z~0 48) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52492#(or (< (mod (+ main_~z~0 47) 4294967296) 268435455) (not (< (mod (+ main_~z~0 43) 4294967296) 268435455)) (= (mod (+ main_~z~0 3) 4) 0))} is VALID [2022-04-28 10:31:23,246 INFO L290 TraceCheckUtils]: 22: Hoare triple {52500#(or (< (mod (+ 49 main_~z~0) 4294967296) 268435455) (= (mod (+ main_~z~0 1) 4) 0) (not (< (mod (+ main_~z~0 45) 4294967296) 268435455)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52496#(or (not (< (mod (+ 44 main_~z~0) 4294967296) 268435455)) (= (mod main_~z~0 4) 0) (< (mod (+ main_~z~0 48) 4294967296) 268435455))} is VALID [2022-04-28 10:31:23,247 INFO L290 TraceCheckUtils]: 21: Hoare triple {52504#(or (= (mod (+ main_~z~0 2) 4) 0) (not (< (mod (+ main_~z~0 46) 4294967296) 268435455)) (< (mod (+ main_~z~0 50) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52500#(or (< (mod (+ 49 main_~z~0) 4294967296) 268435455) (= (mod (+ main_~z~0 1) 4) 0) (not (< (mod (+ main_~z~0 45) 4294967296) 268435455)))} is VALID [2022-04-28 10:31:23,248 INFO L290 TraceCheckUtils]: 20: Hoare triple {52508#(or (< (mod (+ 51 main_~z~0) 4294967296) 268435455) (not (< (mod (+ main_~z~0 47) 4294967296) 268435455)) (= (mod (+ main_~z~0 3) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52504#(or (= (mod (+ main_~z~0 2) 4) 0) (not (< (mod (+ main_~z~0 46) 4294967296) 268435455)) (< (mod (+ main_~z~0 50) 4294967296) 268435455))} is VALID [2022-04-28 10:31:23,253 INFO L290 TraceCheckUtils]: 19: Hoare triple {52512#(or (< (mod (+ main_~z~0 52) 4294967296) 268435455) (not (< (mod (+ main_~z~0 48) 4294967296) 268435455)) (= (mod main_~z~0 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52508#(or (< (mod (+ 51 main_~z~0) 4294967296) 268435455) (not (< (mod (+ main_~z~0 47) 4294967296) 268435455)) (= (mod (+ main_~z~0 3) 4) 0))} is VALID [2022-04-28 10:31:23,313 INFO L290 TraceCheckUtils]: 18: Hoare triple {52516#(or (< (mod (+ 53 main_~z~0) 4294967296) 268435455) (= (mod (+ main_~z~0 1) 4) 0) (not (< (mod (+ 49 main_~z~0) 4294967296) 268435455)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52512#(or (< (mod (+ main_~z~0 52) 4294967296) 268435455) (not (< (mod (+ main_~z~0 48) 4294967296) 268435455)) (= (mod main_~z~0 4) 0))} is VALID [2022-04-28 10:31:23,314 INFO L290 TraceCheckUtils]: 17: Hoare triple {52520#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 54) 4294967296) 268435455) (not (< (mod (+ main_~z~0 50) 4294967296) 268435455)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52516#(or (< (mod (+ 53 main_~z~0) 4294967296) 268435455) (= (mod (+ main_~z~0 1) 4) 0) (not (< (mod (+ 49 main_~z~0) 4294967296) 268435455)))} is VALID [2022-04-28 10:31:23,315 INFO L290 TraceCheckUtils]: 16: Hoare triple {52524#(or (< (mod (+ main_~z~0 55) 4294967296) 268435455) (not (< (mod (+ 51 main_~z~0) 4294967296) 268435455)) (= (mod (+ main_~z~0 3) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52520#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 54) 4294967296) 268435455) (not (< (mod (+ main_~z~0 50) 4294967296) 268435455)))} is VALID [2022-04-28 10:31:23,329 INFO L290 TraceCheckUtils]: 15: Hoare triple {52528#(or (< (mod (+ 56 main_~z~0) 4294967296) 268435455) (= (mod main_~z~0 4) 0) (not (< (mod (+ main_~z~0 52) 4294967296) 268435455)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52524#(or (< (mod (+ main_~z~0 55) 4294967296) 268435455) (not (< (mod (+ 51 main_~z~0) 4294967296) 268435455)) (= (mod (+ main_~z~0 3) 4) 0))} is VALID [2022-04-28 10:31:23,330 INFO L290 TraceCheckUtils]: 14: Hoare triple {52532#(or (= (mod (+ main_~z~0 1) 4) 0) (< (mod (+ 57 main_~z~0) 4294967296) 268435455) (not (< (mod (+ 53 main_~z~0) 4294967296) 268435455)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52528#(or (< (mod (+ 56 main_~z~0) 4294967296) 268435455) (= (mod main_~z~0 4) 0) (not (< (mod (+ main_~z~0 52) 4294967296) 268435455)))} is VALID [2022-04-28 10:31:23,331 INFO L290 TraceCheckUtils]: 13: Hoare triple {52536#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 58) 4294967296) 268435455) (not (< (mod (+ main_~z~0 54) 4294967296) 268435455)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52532#(or (= (mod (+ main_~z~0 1) 4) 0) (< (mod (+ 57 main_~z~0) 4294967296) 268435455) (not (< (mod (+ 53 main_~z~0) 4294967296) 268435455)))} is VALID [2022-04-28 10:31:23,332 INFO L290 TraceCheckUtils]: 12: Hoare triple {52540#(or (not (< (mod (+ main_~z~0 55) 4294967296) 268435455)) (< (mod (+ 59 main_~z~0) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52536#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 58) 4294967296) 268435455) (not (< (mod (+ main_~z~0 54) 4294967296) 268435455)))} is VALID [2022-04-28 10:31:23,339 INFO L290 TraceCheckUtils]: 11: Hoare triple {52544#(or (= (mod main_~z~0 4) 0) (< (mod (+ main_~z~0 60) 4294967296) 268435455) (not (< (mod (+ 56 main_~z~0) 4294967296) 268435455)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52540#(or (not (< (mod (+ main_~z~0 55) 4294967296) 268435455)) (< (mod (+ 59 main_~z~0) 4294967296) 268435455) (= (mod (+ main_~z~0 3) 4) 0))} is VALID [2022-04-28 10:31:23,340 INFO L290 TraceCheckUtils]: 10: Hoare triple {52548#(or (not (< (mod (+ 57 main_~z~0) 4294967296) 268435455)) (= (mod (+ main_~z~0 1) 4) 0) (< (mod (+ main_~z~0 61) 4294967296) 268435455))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52544#(or (= (mod main_~z~0 4) 0) (< (mod (+ main_~z~0 60) 4294967296) 268435455) (not (< (mod (+ 56 main_~z~0) 4294967296) 268435455)))} is VALID [2022-04-28 10:31:23,341 INFO L290 TraceCheckUtils]: 9: Hoare triple {52552#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 62) 4294967296) 268435455) (not (< (mod (+ main_~z~0 58) 4294967296) 268435455)))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52548#(or (not (< (mod (+ 57 main_~z~0) 4294967296) 268435455)) (= (mod (+ main_~z~0 1) 4) 0) (< (mod (+ main_~z~0 61) 4294967296) 268435455))} is VALID [2022-04-28 10:31:23,342 INFO L290 TraceCheckUtils]: 8: Hoare triple {52556#(or (< (mod (+ main_~z~0 63) 4294967296) 268435455) (not (< (mod (+ 59 main_~z~0) 4294967296) 268435455)) (= (mod (+ main_~z~0 3) 4) 0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {52552#(or (= (mod (+ main_~z~0 2) 4) 0) (< (mod (+ main_~z~0 62) 4294967296) 268435455) (not (< (mod (+ main_~z~0 58) 4294967296) 268435455)))} is VALID [2022-04-28 10:31:23,342 INFO L290 TraceCheckUtils]: 7: Hoare triple {51990#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {52556#(or (< (mod (+ main_~z~0 63) 4294967296) 268435455) (not (< (mod (+ 59 main_~z~0) 4294967296) 268435455)) (= (mod (+ main_~z~0 3) 4) 0))} is VALID [2022-04-28 10:31:23,342 INFO L290 TraceCheckUtils]: 6: Hoare triple {51990#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {51990#true} is VALID [2022-04-28 10:31:23,342 INFO L290 TraceCheckUtils]: 5: Hoare triple {51990#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {51990#true} is VALID [2022-04-28 10:31:23,342 INFO L272 TraceCheckUtils]: 4: Hoare triple {51990#true} call #t~ret7 := main(); {51990#true} is VALID [2022-04-28 10:31:23,343 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {51990#true} {51990#true} #63#return; {51990#true} is VALID [2022-04-28 10:31:23,343 INFO L290 TraceCheckUtils]: 2: Hoare triple {51990#true} assume true; {51990#true} is VALID [2022-04-28 10:31:23,343 INFO L290 TraceCheckUtils]: 1: Hoare triple {51990#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {51990#true} is VALID [2022-04-28 10:31:23,343 INFO L272 TraceCheckUtils]: 0: Hoare triple {51990#true} call ULTIMATE.init(); {51990#true} is VALID [2022-04-28 10:31:23,344 INFO L134 CoverageAnalysis]: Checked inductivity of 2016 backedges. 0 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:31:23,344 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1706229406] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 10:31:23,344 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 10:31:23,344 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [67, 66, 69] total 135 [2022-04-28 10:31:23,344 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 10:31:23,344 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [490703405] [2022-04-28 10:31:23,344 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [490703405] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 10:31:23,344 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 10:31:23,344 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [67] imperfect sequences [] total 67 [2022-04-28 10:31:23,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395296027] [2022-04-28 10:31:23,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 10:31:23,345 INFO L78 Accepts]: Start accepts. Automaton has has 67 states, 67 states have (on average 1.0746268656716418) internal successors, (72), 66 states have internal predecessors, (72), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 76 [2022-04-28 10:31:23,345 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 10:31:23,345 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 67 states, 67 states have (on average 1.0746268656716418) internal successors, (72), 66 states have internal predecessors, (72), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:31:23,382 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 76 edges. 76 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:31:23,382 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2022-04-28 10:31:23,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 10:31:23,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2022-04-28 10:31:23,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4523, Invalid=13567, Unknown=0, NotChecked=0, Total=18090 [2022-04-28 10:31:23,384 INFO L87 Difference]: Start difference. First operand 85 states and 89 transitions. Second operand has 67 states, 67 states have (on average 1.0746268656716418) internal successors, (72), 66 states have internal predecessors, (72), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:31:31,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:31:31,893 INFO L93 Difference]: Finished difference Result 165 states and 174 transitions. [2022-04-28 10:31:31,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2022-04-28 10:31:31,893 INFO L78 Accepts]: Start accepts. Automaton has has 67 states, 67 states have (on average 1.0746268656716418) internal successors, (72), 66 states have internal predecessors, (72), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 76 [2022-04-28 10:31:31,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 10:31:31,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 67 states have (on average 1.0746268656716418) internal successors, (72), 66 states have internal predecessors, (72), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:31:31,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 109 transitions. [2022-04-28 10:31:31,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 67 states have (on average 1.0746268656716418) internal successors, (72), 66 states have internal predecessors, (72), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:31:31,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 109 transitions. [2022-04-28 10:31:31,895 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 67 states and 109 transitions. [2022-04-28 10:31:31,960 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 109 edges. 109 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:31:31,961 INFO L225 Difference]: With dead ends: 165 [2022-04-28 10:31:31,961 INFO L226 Difference]: Without dead ends: 87 [2022-04-28 10:31:31,963 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 87 SyntacticMatches, 1 SemanticMatches, 197 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2562 ImplicationChecksByTransitivity, 52.2s TimeCoverageRelationStatistics Valid=9017, Invalid=30385, Unknown=0, NotChecked=0, Total=39402 [2022-04-28 10:31:31,963 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 17 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 5092 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 5225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 5092 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-04-28 10:31:31,963 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 333 Invalid, 5225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 5092 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-04-28 10:31:31,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2022-04-28 10:31:32,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 86. [2022-04-28 10:31:32,048 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 10:31:32,049 INFO L82 GeneralOperation]: Start isEquivalent. First operand 87 states. Second operand has 86 states, 78 states have (on average 1.0512820512820513) internal successors, (82), 79 states have internal predecessors, (82), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:31:32,049 INFO L74 IsIncluded]: Start isIncluded. First operand 87 states. Second operand has 86 states, 78 states have (on average 1.0512820512820513) internal successors, (82), 79 states have internal predecessors, (82), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:31:32,049 INFO L87 Difference]: Start difference. First operand 87 states. Second operand has 86 states, 78 states have (on average 1.0512820512820513) internal successors, (82), 79 states have internal predecessors, (82), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:31:32,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:31:32,050 INFO L93 Difference]: Finished difference Result 87 states and 91 transitions. [2022-04-28 10:31:32,050 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 91 transitions. [2022-04-28 10:31:32,050 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:31:32,050 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:31:32,050 INFO L74 IsIncluded]: Start isIncluded. First operand has 86 states, 78 states have (on average 1.0512820512820513) internal successors, (82), 79 states have internal predecessors, (82), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 87 states. [2022-04-28 10:31:32,050 INFO L87 Difference]: Start difference. First operand has 86 states, 78 states have (on average 1.0512820512820513) internal successors, (82), 79 states have internal predecessors, (82), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 87 states. [2022-04-28 10:31:32,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:31:32,051 INFO L93 Difference]: Finished difference Result 87 states and 91 transitions. [2022-04-28 10:31:32,051 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 91 transitions. [2022-04-28 10:31:32,051 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:31:32,051 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:31:32,051 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 10:31:32,051 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 10:31:32,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 78 states have (on average 1.0512820512820513) internal successors, (82), 79 states have internal predecessors, (82), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:31:32,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 90 transitions. [2022-04-28 10:31:32,052 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 90 transitions. Word has length 76 [2022-04-28 10:31:32,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 10:31:32,052 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 90 transitions. [2022-04-28 10:31:32,052 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 67 states have (on average 1.0746268656716418) internal successors, (72), 66 states have internal predecessors, (72), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:31:32,052 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 86 states and 90 transitions. [2022-04-28 10:31:32,128 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 90 edges. 90 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:31:32,129 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 90 transitions. [2022-04-28 10:31:32,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-04-28 10:31:32,129 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 10:31:32,129 INFO L195 NwaCegarLoop]: trace histogram [64, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 10:31:32,139 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (64)] Forceful destruction successful, exit code 0 [2022-04-28 10:31:32,329 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 64 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable66 [2022-04-28 10:31:32,329 INFO L420 AbstractCegarLoop]: === Iteration 68 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 10:31:32,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 10:31:32,330 INFO L85 PathProgramCache]: Analyzing trace with hash 216572738, now seen corresponding path program 127 times [2022-04-28 10:31:32,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 10:31:32,330 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [2112295349] [2022-04-28 10:31:32,333 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-28 10:31:32,333 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-28 10:31:32,333 INFO L85 PathProgramCache]: Analyzing trace with hash 216572738, now seen corresponding path program 128 times [2022-04-28 10:31:32,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 10:31:32,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576525153] [2022-04-28 10:31:32,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 10:31:32,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 10:31:32,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:31:34,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 10:31:34,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:31:34,189 INFO L290 TraceCheckUtils]: 0: Hoare triple {53458#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {53388#true} is VALID [2022-04-28 10:31:34,189 INFO L290 TraceCheckUtils]: 1: Hoare triple {53388#true} assume true; {53388#true} is VALID [2022-04-28 10:31:34,189 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {53388#true} {53388#true} #63#return; {53388#true} is VALID [2022-04-28 10:31:34,189 INFO L272 TraceCheckUtils]: 0: Hoare triple {53388#true} call ULTIMATE.init(); {53458#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 10:31:34,189 INFO L290 TraceCheckUtils]: 1: Hoare triple {53458#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {53388#true} is VALID [2022-04-28 10:31:34,189 INFO L290 TraceCheckUtils]: 2: Hoare triple {53388#true} assume true; {53388#true} is VALID [2022-04-28 10:31:34,190 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {53388#true} {53388#true} #63#return; {53388#true} is VALID [2022-04-28 10:31:34,190 INFO L272 TraceCheckUtils]: 4: Hoare triple {53388#true} call #t~ret7 := main(); {53388#true} is VALID [2022-04-28 10:31:34,190 INFO L290 TraceCheckUtils]: 5: Hoare triple {53388#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {53388#true} is VALID [2022-04-28 10:31:34,190 INFO L290 TraceCheckUtils]: 6: Hoare triple {53388#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {53388#true} is VALID [2022-04-28 10:31:34,190 INFO L290 TraceCheckUtils]: 7: Hoare triple {53388#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {53393#(= main_~z~0 0)} is VALID [2022-04-28 10:31:34,190 INFO L290 TraceCheckUtils]: 8: Hoare triple {53393#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53394#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:31:34,191 INFO L290 TraceCheckUtils]: 9: Hoare triple {53394#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53395#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:31:34,191 INFO L290 TraceCheckUtils]: 10: Hoare triple {53395#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53396#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:31:34,192 INFO L290 TraceCheckUtils]: 11: Hoare triple {53396#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53397#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:31:34,192 INFO L290 TraceCheckUtils]: 12: Hoare triple {53397#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53398#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:31:34,193 INFO L290 TraceCheckUtils]: 13: Hoare triple {53398#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53399#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:31:34,193 INFO L290 TraceCheckUtils]: 14: Hoare triple {53399#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53400#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:31:34,194 INFO L290 TraceCheckUtils]: 15: Hoare triple {53400#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53401#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:31:34,194 INFO L290 TraceCheckUtils]: 16: Hoare triple {53401#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53402#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:31:34,195 INFO L290 TraceCheckUtils]: 17: Hoare triple {53402#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53403#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:31:34,195 INFO L290 TraceCheckUtils]: 18: Hoare triple {53403#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53404#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:31:34,196 INFO L290 TraceCheckUtils]: 19: Hoare triple {53404#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53405#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:31:34,196 INFO L290 TraceCheckUtils]: 20: Hoare triple {53405#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53406#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:31:34,197 INFO L290 TraceCheckUtils]: 21: Hoare triple {53406#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53407#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:31:34,197 INFO L290 TraceCheckUtils]: 22: Hoare triple {53407#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53408#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:31:34,198 INFO L290 TraceCheckUtils]: 23: Hoare triple {53408#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53409#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:31:34,198 INFO L290 TraceCheckUtils]: 24: Hoare triple {53409#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53410#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:31:34,199 INFO L290 TraceCheckUtils]: 25: Hoare triple {53410#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53411#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:31:34,199 INFO L290 TraceCheckUtils]: 26: Hoare triple {53411#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53412#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:31:34,199 INFO L290 TraceCheckUtils]: 27: Hoare triple {53412#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53413#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 10:31:34,200 INFO L290 TraceCheckUtils]: 28: Hoare triple {53413#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53414#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 10:31:34,200 INFO L290 TraceCheckUtils]: 29: Hoare triple {53414#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53415#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 10:31:34,201 INFO L290 TraceCheckUtils]: 30: Hoare triple {53415#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53416#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 10:31:34,201 INFO L290 TraceCheckUtils]: 31: Hoare triple {53416#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53417#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 10:31:34,202 INFO L290 TraceCheckUtils]: 32: Hoare triple {53417#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53418#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 10:31:34,202 INFO L290 TraceCheckUtils]: 33: Hoare triple {53418#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53419#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 10:31:34,203 INFO L290 TraceCheckUtils]: 34: Hoare triple {53419#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53420#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 10:31:34,203 INFO L290 TraceCheckUtils]: 35: Hoare triple {53420#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53421#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 10:31:34,204 INFO L290 TraceCheckUtils]: 36: Hoare triple {53421#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53422#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 10:31:34,204 INFO L290 TraceCheckUtils]: 37: Hoare triple {53422#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53423#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 10:31:34,204 INFO L290 TraceCheckUtils]: 38: Hoare triple {53423#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53424#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 10:31:34,205 INFO L290 TraceCheckUtils]: 39: Hoare triple {53424#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53425#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 10:31:34,205 INFO L290 TraceCheckUtils]: 40: Hoare triple {53425#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53426#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 10:31:34,206 INFO L290 TraceCheckUtils]: 41: Hoare triple {53426#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53427#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 10:31:34,206 INFO L290 TraceCheckUtils]: 42: Hoare triple {53427#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53428#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 10:31:34,207 INFO L290 TraceCheckUtils]: 43: Hoare triple {53428#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53429#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 10:31:34,207 INFO L290 TraceCheckUtils]: 44: Hoare triple {53429#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53430#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 10:31:34,208 INFO L290 TraceCheckUtils]: 45: Hoare triple {53430#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53431#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 10:31:34,208 INFO L290 TraceCheckUtils]: 46: Hoare triple {53431#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53432#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 10:31:34,209 INFO L290 TraceCheckUtils]: 47: Hoare triple {53432#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53433#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 10:31:34,209 INFO L290 TraceCheckUtils]: 48: Hoare triple {53433#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53434#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 10:31:34,210 INFO L290 TraceCheckUtils]: 49: Hoare triple {53434#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53435#(and (<= 42 main_~z~0) (<= main_~z~0 42))} is VALID [2022-04-28 10:31:34,210 INFO L290 TraceCheckUtils]: 50: Hoare triple {53435#(and (<= 42 main_~z~0) (<= main_~z~0 42))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53436#(and (<= main_~z~0 43) (<= 43 main_~z~0))} is VALID [2022-04-28 10:31:34,211 INFO L290 TraceCheckUtils]: 51: Hoare triple {53436#(and (<= main_~z~0 43) (<= 43 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53437#(and (<= main_~z~0 44) (<= 44 main_~z~0))} is VALID [2022-04-28 10:31:34,211 INFO L290 TraceCheckUtils]: 52: Hoare triple {53437#(and (<= main_~z~0 44) (<= 44 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53438#(and (<= main_~z~0 45) (<= 45 main_~z~0))} is VALID [2022-04-28 10:31:34,211 INFO L290 TraceCheckUtils]: 53: Hoare triple {53438#(and (<= main_~z~0 45) (<= 45 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53439#(and (<= 46 main_~z~0) (<= main_~z~0 46))} is VALID [2022-04-28 10:31:34,212 INFO L290 TraceCheckUtils]: 54: Hoare triple {53439#(and (<= 46 main_~z~0) (<= main_~z~0 46))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53440#(and (<= main_~z~0 47) (<= 47 main_~z~0))} is VALID [2022-04-28 10:31:34,212 INFO L290 TraceCheckUtils]: 55: Hoare triple {53440#(and (<= main_~z~0 47) (<= 47 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53441#(and (<= 48 main_~z~0) (<= main_~z~0 48))} is VALID [2022-04-28 10:31:34,213 INFO L290 TraceCheckUtils]: 56: Hoare triple {53441#(and (<= 48 main_~z~0) (<= main_~z~0 48))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53442#(and (<= 49 main_~z~0) (<= main_~z~0 49))} is VALID [2022-04-28 10:31:34,213 INFO L290 TraceCheckUtils]: 57: Hoare triple {53442#(and (<= 49 main_~z~0) (<= main_~z~0 49))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53443#(and (<= 50 main_~z~0) (<= main_~z~0 50))} is VALID [2022-04-28 10:31:34,214 INFO L290 TraceCheckUtils]: 58: Hoare triple {53443#(and (<= 50 main_~z~0) (<= main_~z~0 50))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53444#(and (<= main_~z~0 51) (<= 51 main_~z~0))} is VALID [2022-04-28 10:31:34,214 INFO L290 TraceCheckUtils]: 59: Hoare triple {53444#(and (<= main_~z~0 51) (<= 51 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53445#(and (<= 52 main_~z~0) (<= main_~z~0 52))} is VALID [2022-04-28 10:31:34,215 INFO L290 TraceCheckUtils]: 60: Hoare triple {53445#(and (<= 52 main_~z~0) (<= main_~z~0 52))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53446#(and (<= 53 main_~z~0) (<= main_~z~0 53))} is VALID [2022-04-28 10:31:34,215 INFO L290 TraceCheckUtils]: 61: Hoare triple {53446#(and (<= 53 main_~z~0) (<= main_~z~0 53))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53447#(and (<= main_~z~0 54) (<= 54 main_~z~0))} is VALID [2022-04-28 10:31:34,216 INFO L290 TraceCheckUtils]: 62: Hoare triple {53447#(and (<= main_~z~0 54) (<= 54 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53448#(and (<= 55 main_~z~0) (<= main_~z~0 55))} is VALID [2022-04-28 10:31:34,216 INFO L290 TraceCheckUtils]: 63: Hoare triple {53448#(and (<= 55 main_~z~0) (<= main_~z~0 55))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53449#(and (<= 56 main_~z~0) (<= main_~z~0 56))} is VALID [2022-04-28 10:31:34,217 INFO L290 TraceCheckUtils]: 64: Hoare triple {53449#(and (<= 56 main_~z~0) (<= main_~z~0 56))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53450#(and (<= main_~z~0 57) (<= 57 main_~z~0))} is VALID [2022-04-28 10:31:34,217 INFO L290 TraceCheckUtils]: 65: Hoare triple {53450#(and (<= main_~z~0 57) (<= 57 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53451#(and (<= 58 main_~z~0) (<= main_~z~0 58))} is VALID [2022-04-28 10:31:34,218 INFO L290 TraceCheckUtils]: 66: Hoare triple {53451#(and (<= 58 main_~z~0) (<= main_~z~0 58))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53452#(and (<= main_~z~0 59) (<= 59 main_~z~0))} is VALID [2022-04-28 10:31:34,218 INFO L290 TraceCheckUtils]: 67: Hoare triple {53452#(and (<= main_~z~0 59) (<= 59 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53453#(and (<= main_~z~0 60) (<= 60 main_~z~0))} is VALID [2022-04-28 10:31:34,219 INFO L290 TraceCheckUtils]: 68: Hoare triple {53453#(and (<= main_~z~0 60) (<= 60 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53454#(and (<= 61 main_~z~0) (<= main_~z~0 61))} is VALID [2022-04-28 10:31:34,219 INFO L290 TraceCheckUtils]: 69: Hoare triple {53454#(and (<= 61 main_~z~0) (<= main_~z~0 61))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53455#(and (<= 62 main_~z~0) (<= main_~z~0 62))} is VALID [2022-04-28 10:31:34,220 INFO L290 TraceCheckUtils]: 70: Hoare triple {53455#(and (<= 62 main_~z~0) (<= main_~z~0 62))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53456#(and (<= 63 main_~z~0) (<= main_~z~0 63))} is VALID [2022-04-28 10:31:34,220 INFO L290 TraceCheckUtils]: 71: Hoare triple {53456#(and (<= 63 main_~z~0) (<= main_~z~0 63))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53457#(and (<= main_~z~0 64) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} is VALID [2022-04-28 10:31:34,221 INFO L290 TraceCheckUtils]: 72: Hoare triple {53457#(and (<= main_~z~0 64) (not (<= (+ (div main_~z~0 4294967296) 1) 0)))} assume !(~z~0 % 4294967296 < 268435455); {53389#false} is VALID [2022-04-28 10:31:34,221 INFO L272 TraceCheckUtils]: 73: Hoare triple {53389#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {53389#false} is VALID [2022-04-28 10:31:34,221 INFO L290 TraceCheckUtils]: 74: Hoare triple {53389#false} ~cond := #in~cond; {53389#false} is VALID [2022-04-28 10:31:34,221 INFO L290 TraceCheckUtils]: 75: Hoare triple {53389#false} assume 0 == ~cond; {53389#false} is VALID [2022-04-28 10:31:34,221 INFO L290 TraceCheckUtils]: 76: Hoare triple {53389#false} assume !false; {53389#false} is VALID [2022-04-28 10:31:34,221 INFO L134 CoverageAnalysis]: Checked inductivity of 2080 backedges. 0 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:31:34,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 10:31:34,221 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576525153] [2022-04-28 10:31:34,222 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576525153] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 10:31:34,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1207376676] [2022-04-28 10:31:34,222 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-28 10:31:34,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:31:34,222 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 10:31:34,223 INFO L229 MonitoredProcess]: Starting monitored process 65 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 10:31:34,223 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (65)] Waiting until timeout for monitored process [2022-04-28 10:31:34,339 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-28 10:31:34,339 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 10:31:34,341 WARN L261 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 131 conjunts are in the unsatisfiable core [2022-04-28 10:31:34,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:31:34,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 10:31:35,026 INFO L272 TraceCheckUtils]: 0: Hoare triple {53388#true} call ULTIMATE.init(); {53388#true} is VALID [2022-04-28 10:31:35,026 INFO L290 TraceCheckUtils]: 1: Hoare triple {53388#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {53388#true} is VALID [2022-04-28 10:31:35,026 INFO L290 TraceCheckUtils]: 2: Hoare triple {53388#true} assume true; {53388#true} is VALID [2022-04-28 10:31:35,026 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {53388#true} {53388#true} #63#return; {53388#true} is VALID [2022-04-28 10:31:35,027 INFO L272 TraceCheckUtils]: 4: Hoare triple {53388#true} call #t~ret7 := main(); {53388#true} is VALID [2022-04-28 10:31:35,027 INFO L290 TraceCheckUtils]: 5: Hoare triple {53388#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {53388#true} is VALID [2022-04-28 10:31:35,027 INFO L290 TraceCheckUtils]: 6: Hoare triple {53388#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {53388#true} is VALID [2022-04-28 10:31:35,027 INFO L290 TraceCheckUtils]: 7: Hoare triple {53388#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {53393#(= main_~z~0 0)} is VALID [2022-04-28 10:31:35,027 INFO L290 TraceCheckUtils]: 8: Hoare triple {53393#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53394#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:31:35,028 INFO L290 TraceCheckUtils]: 9: Hoare triple {53394#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53395#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:31:35,029 INFO L290 TraceCheckUtils]: 10: Hoare triple {53395#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53396#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:31:35,029 INFO L290 TraceCheckUtils]: 11: Hoare triple {53396#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53397#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:31:35,030 INFO L290 TraceCheckUtils]: 12: Hoare triple {53397#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53398#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:31:35,030 INFO L290 TraceCheckUtils]: 13: Hoare triple {53398#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53399#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:31:35,030 INFO L290 TraceCheckUtils]: 14: Hoare triple {53399#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53400#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:31:35,031 INFO L290 TraceCheckUtils]: 15: Hoare triple {53400#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53401#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:31:35,031 INFO L290 TraceCheckUtils]: 16: Hoare triple {53401#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53402#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:31:35,032 INFO L290 TraceCheckUtils]: 17: Hoare triple {53402#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53403#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:31:35,032 INFO L290 TraceCheckUtils]: 18: Hoare triple {53403#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53404#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:31:35,033 INFO L290 TraceCheckUtils]: 19: Hoare triple {53404#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53405#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:31:35,033 INFO L290 TraceCheckUtils]: 20: Hoare triple {53405#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53406#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:31:35,034 INFO L290 TraceCheckUtils]: 21: Hoare triple {53406#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53407#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:31:35,034 INFO L290 TraceCheckUtils]: 22: Hoare triple {53407#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53408#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:31:35,035 INFO L290 TraceCheckUtils]: 23: Hoare triple {53408#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53409#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:31:35,035 INFO L290 TraceCheckUtils]: 24: Hoare triple {53409#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53410#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:31:35,036 INFO L290 TraceCheckUtils]: 25: Hoare triple {53410#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53411#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:31:35,036 INFO L290 TraceCheckUtils]: 26: Hoare triple {53411#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53412#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:31:35,036 INFO L290 TraceCheckUtils]: 27: Hoare triple {53412#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53413#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 10:31:35,037 INFO L290 TraceCheckUtils]: 28: Hoare triple {53413#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53414#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 10:31:35,037 INFO L290 TraceCheckUtils]: 29: Hoare triple {53414#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53415#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 10:31:35,038 INFO L290 TraceCheckUtils]: 30: Hoare triple {53415#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53416#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 10:31:35,038 INFO L290 TraceCheckUtils]: 31: Hoare triple {53416#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53417#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 10:31:35,039 INFO L290 TraceCheckUtils]: 32: Hoare triple {53417#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53418#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 10:31:35,039 INFO L290 TraceCheckUtils]: 33: Hoare triple {53418#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53419#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 10:31:35,040 INFO L290 TraceCheckUtils]: 34: Hoare triple {53419#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53420#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 10:31:35,040 INFO L290 TraceCheckUtils]: 35: Hoare triple {53420#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53421#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 10:31:35,041 INFO L290 TraceCheckUtils]: 36: Hoare triple {53421#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53422#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 10:31:35,041 INFO L290 TraceCheckUtils]: 37: Hoare triple {53422#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53423#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 10:31:35,042 INFO L290 TraceCheckUtils]: 38: Hoare triple {53423#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53424#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 10:31:35,042 INFO L290 TraceCheckUtils]: 39: Hoare triple {53424#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53425#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 10:31:35,042 INFO L290 TraceCheckUtils]: 40: Hoare triple {53425#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53426#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 10:31:35,043 INFO L290 TraceCheckUtils]: 41: Hoare triple {53426#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53427#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 10:31:35,043 INFO L290 TraceCheckUtils]: 42: Hoare triple {53427#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53428#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 10:31:35,044 INFO L290 TraceCheckUtils]: 43: Hoare triple {53428#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53429#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 10:31:35,044 INFO L290 TraceCheckUtils]: 44: Hoare triple {53429#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53430#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 10:31:35,045 INFO L290 TraceCheckUtils]: 45: Hoare triple {53430#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53431#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 10:31:35,045 INFO L290 TraceCheckUtils]: 46: Hoare triple {53431#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53432#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 10:31:35,046 INFO L290 TraceCheckUtils]: 47: Hoare triple {53432#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53433#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 10:31:35,046 INFO L290 TraceCheckUtils]: 48: Hoare triple {53433#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53434#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 10:31:35,047 INFO L290 TraceCheckUtils]: 49: Hoare triple {53434#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53435#(and (<= 42 main_~z~0) (<= main_~z~0 42))} is VALID [2022-04-28 10:31:35,047 INFO L290 TraceCheckUtils]: 50: Hoare triple {53435#(and (<= 42 main_~z~0) (<= main_~z~0 42))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53436#(and (<= main_~z~0 43) (<= 43 main_~z~0))} is VALID [2022-04-28 10:31:35,048 INFO L290 TraceCheckUtils]: 51: Hoare triple {53436#(and (<= main_~z~0 43) (<= 43 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53437#(and (<= main_~z~0 44) (<= 44 main_~z~0))} is VALID [2022-04-28 10:31:35,048 INFO L290 TraceCheckUtils]: 52: Hoare triple {53437#(and (<= main_~z~0 44) (<= 44 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53438#(and (<= main_~z~0 45) (<= 45 main_~z~0))} is VALID [2022-04-28 10:31:35,048 INFO L290 TraceCheckUtils]: 53: Hoare triple {53438#(and (<= main_~z~0 45) (<= 45 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53439#(and (<= 46 main_~z~0) (<= main_~z~0 46))} is VALID [2022-04-28 10:31:35,049 INFO L290 TraceCheckUtils]: 54: Hoare triple {53439#(and (<= 46 main_~z~0) (<= main_~z~0 46))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53440#(and (<= main_~z~0 47) (<= 47 main_~z~0))} is VALID [2022-04-28 10:31:35,049 INFO L290 TraceCheckUtils]: 55: Hoare triple {53440#(and (<= main_~z~0 47) (<= 47 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53441#(and (<= 48 main_~z~0) (<= main_~z~0 48))} is VALID [2022-04-28 10:31:35,050 INFO L290 TraceCheckUtils]: 56: Hoare triple {53441#(and (<= 48 main_~z~0) (<= main_~z~0 48))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53442#(and (<= 49 main_~z~0) (<= main_~z~0 49))} is VALID [2022-04-28 10:31:35,050 INFO L290 TraceCheckUtils]: 57: Hoare triple {53442#(and (<= 49 main_~z~0) (<= main_~z~0 49))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53443#(and (<= 50 main_~z~0) (<= main_~z~0 50))} is VALID [2022-04-28 10:31:35,051 INFO L290 TraceCheckUtils]: 58: Hoare triple {53443#(and (<= 50 main_~z~0) (<= main_~z~0 50))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53444#(and (<= main_~z~0 51) (<= 51 main_~z~0))} is VALID [2022-04-28 10:31:35,051 INFO L290 TraceCheckUtils]: 59: Hoare triple {53444#(and (<= main_~z~0 51) (<= 51 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53445#(and (<= 52 main_~z~0) (<= main_~z~0 52))} is VALID [2022-04-28 10:31:35,052 INFO L290 TraceCheckUtils]: 60: Hoare triple {53445#(and (<= 52 main_~z~0) (<= main_~z~0 52))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53446#(and (<= 53 main_~z~0) (<= main_~z~0 53))} is VALID [2022-04-28 10:31:35,052 INFO L290 TraceCheckUtils]: 61: Hoare triple {53446#(and (<= 53 main_~z~0) (<= main_~z~0 53))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53447#(and (<= main_~z~0 54) (<= 54 main_~z~0))} is VALID [2022-04-28 10:31:35,053 INFO L290 TraceCheckUtils]: 62: Hoare triple {53447#(and (<= main_~z~0 54) (<= 54 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53448#(and (<= 55 main_~z~0) (<= main_~z~0 55))} is VALID [2022-04-28 10:31:35,053 INFO L290 TraceCheckUtils]: 63: Hoare triple {53448#(and (<= 55 main_~z~0) (<= main_~z~0 55))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53449#(and (<= 56 main_~z~0) (<= main_~z~0 56))} is VALID [2022-04-28 10:31:35,054 INFO L290 TraceCheckUtils]: 64: Hoare triple {53449#(and (<= 56 main_~z~0) (<= main_~z~0 56))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53450#(and (<= main_~z~0 57) (<= 57 main_~z~0))} is VALID [2022-04-28 10:31:35,054 INFO L290 TraceCheckUtils]: 65: Hoare triple {53450#(and (<= main_~z~0 57) (<= 57 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53451#(and (<= 58 main_~z~0) (<= main_~z~0 58))} is VALID [2022-04-28 10:31:35,054 INFO L290 TraceCheckUtils]: 66: Hoare triple {53451#(and (<= 58 main_~z~0) (<= main_~z~0 58))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53452#(and (<= main_~z~0 59) (<= 59 main_~z~0))} is VALID [2022-04-28 10:31:35,055 INFO L290 TraceCheckUtils]: 67: Hoare triple {53452#(and (<= main_~z~0 59) (<= 59 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53453#(and (<= main_~z~0 60) (<= 60 main_~z~0))} is VALID [2022-04-28 10:31:35,055 INFO L290 TraceCheckUtils]: 68: Hoare triple {53453#(and (<= main_~z~0 60) (<= 60 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53454#(and (<= 61 main_~z~0) (<= main_~z~0 61))} is VALID [2022-04-28 10:31:35,056 INFO L290 TraceCheckUtils]: 69: Hoare triple {53454#(and (<= 61 main_~z~0) (<= main_~z~0 61))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53455#(and (<= 62 main_~z~0) (<= main_~z~0 62))} is VALID [2022-04-28 10:31:35,056 INFO L290 TraceCheckUtils]: 70: Hoare triple {53455#(and (<= 62 main_~z~0) (<= main_~z~0 62))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53456#(and (<= 63 main_~z~0) (<= main_~z~0 63))} is VALID [2022-04-28 10:31:35,057 INFO L290 TraceCheckUtils]: 71: Hoare triple {53456#(and (<= 63 main_~z~0) (<= main_~z~0 63))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53675#(and (<= main_~z~0 64) (<= 64 main_~z~0))} is VALID [2022-04-28 10:31:35,057 INFO L290 TraceCheckUtils]: 72: Hoare triple {53675#(and (<= main_~z~0 64) (<= 64 main_~z~0))} assume !(~z~0 % 4294967296 < 268435455); {53389#false} is VALID [2022-04-28 10:31:35,057 INFO L272 TraceCheckUtils]: 73: Hoare triple {53389#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {53389#false} is VALID [2022-04-28 10:31:35,057 INFO L290 TraceCheckUtils]: 74: Hoare triple {53389#false} ~cond := #in~cond; {53389#false} is VALID [2022-04-28 10:31:35,057 INFO L290 TraceCheckUtils]: 75: Hoare triple {53389#false} assume 0 == ~cond; {53389#false} is VALID [2022-04-28 10:31:35,057 INFO L290 TraceCheckUtils]: 76: Hoare triple {53389#false} assume !false; {53389#false} is VALID [2022-04-28 10:31:35,058 INFO L134 CoverageAnalysis]: Checked inductivity of 2080 backedges. 0 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:31:35,058 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 10:31:40,953 INFO L290 TraceCheckUtils]: 76: Hoare triple {53389#false} assume !false; {53389#false} is VALID [2022-04-28 10:31:40,953 INFO L290 TraceCheckUtils]: 75: Hoare triple {53389#false} assume 0 == ~cond; {53389#false} is VALID [2022-04-28 10:31:40,954 INFO L290 TraceCheckUtils]: 74: Hoare triple {53389#false} ~cond := #in~cond; {53389#false} is VALID [2022-04-28 10:31:40,954 INFO L272 TraceCheckUtils]: 73: Hoare triple {53389#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {53389#false} is VALID [2022-04-28 10:31:40,954 INFO L290 TraceCheckUtils]: 72: Hoare triple {53703#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {53389#false} is VALID [2022-04-28 10:31:40,955 INFO L290 TraceCheckUtils]: 71: Hoare triple {53707#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53703#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 10:31:40,955 INFO L290 TraceCheckUtils]: 70: Hoare triple {53711#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53707#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 10:31:40,957 INFO L290 TraceCheckUtils]: 69: Hoare triple {53715#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53711#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 10:31:40,957 INFO L290 TraceCheckUtils]: 68: Hoare triple {53719#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53715#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 10:31:40,958 INFO L290 TraceCheckUtils]: 67: Hoare triple {53723#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53719#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 10:31:40,959 INFO L290 TraceCheckUtils]: 66: Hoare triple {53727#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53723#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:31:40,959 INFO L290 TraceCheckUtils]: 65: Hoare triple {53731#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53727#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} is VALID [2022-04-28 10:31:40,960 INFO L290 TraceCheckUtils]: 64: Hoare triple {53735#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53731#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:31:40,961 INFO L290 TraceCheckUtils]: 63: Hoare triple {53739#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53735#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} is VALID [2022-04-28 10:31:40,961 INFO L290 TraceCheckUtils]: 62: Hoare triple {53743#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53739#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} is VALID [2022-04-28 10:31:40,962 INFO L290 TraceCheckUtils]: 61: Hoare triple {53747#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53743#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} is VALID [2022-04-28 10:31:40,963 INFO L290 TraceCheckUtils]: 60: Hoare triple {53751#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53747#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} is VALID [2022-04-28 10:31:40,963 INFO L290 TraceCheckUtils]: 59: Hoare triple {53755#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53751#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} is VALID [2022-04-28 10:31:40,964 INFO L290 TraceCheckUtils]: 58: Hoare triple {53759#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53755#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} is VALID [2022-04-28 10:31:40,965 INFO L290 TraceCheckUtils]: 57: Hoare triple {53763#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53759#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} is VALID [2022-04-28 10:31:40,965 INFO L290 TraceCheckUtils]: 56: Hoare triple {53767#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53763#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} is VALID [2022-04-28 10:31:40,966 INFO L290 TraceCheckUtils]: 55: Hoare triple {53771#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53767#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} is VALID [2022-04-28 10:31:40,966 INFO L290 TraceCheckUtils]: 54: Hoare triple {53775#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53771#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} is VALID [2022-04-28 10:31:40,967 INFO L290 TraceCheckUtils]: 53: Hoare triple {53779#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53775#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} is VALID [2022-04-28 10:31:40,968 INFO L290 TraceCheckUtils]: 52: Hoare triple {53783#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53779#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:31:40,968 INFO L290 TraceCheckUtils]: 51: Hoare triple {53787#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53783#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} is VALID [2022-04-28 10:31:40,969 INFO L290 TraceCheckUtils]: 50: Hoare triple {53791#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53787#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} is VALID [2022-04-28 10:31:40,969 INFO L290 TraceCheckUtils]: 49: Hoare triple {53795#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53791#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} is VALID [2022-04-28 10:31:40,970 INFO L290 TraceCheckUtils]: 48: Hoare triple {53799#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53795#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:31:40,971 INFO L290 TraceCheckUtils]: 47: Hoare triple {53803#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53799#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} is VALID [2022-04-28 10:31:40,971 INFO L290 TraceCheckUtils]: 46: Hoare triple {53807#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53803#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} is VALID [2022-04-28 10:31:40,972 INFO L290 TraceCheckUtils]: 45: Hoare triple {53811#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53807#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} is VALID [2022-04-28 10:31:40,972 INFO L290 TraceCheckUtils]: 44: Hoare triple {53815#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53811#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} is VALID [2022-04-28 10:31:40,973 INFO L290 TraceCheckUtils]: 43: Hoare triple {53819#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53815#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} is VALID [2022-04-28 10:31:40,973 INFO L290 TraceCheckUtils]: 42: Hoare triple {53823#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53819#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:31:40,974 INFO L290 TraceCheckUtils]: 41: Hoare triple {53827#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53823#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:31:40,975 INFO L290 TraceCheckUtils]: 40: Hoare triple {53831#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53827#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} is VALID [2022-04-28 10:31:40,975 INFO L290 TraceCheckUtils]: 39: Hoare triple {53835#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53831#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:31:40,976 INFO L290 TraceCheckUtils]: 38: Hoare triple {53839#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53835#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} is VALID [2022-04-28 10:31:40,976 INFO L290 TraceCheckUtils]: 37: Hoare triple {53843#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53839#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} is VALID [2022-04-28 10:31:40,977 INFO L290 TraceCheckUtils]: 36: Hoare triple {53847#(< (mod (+ main_~z~0 36) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53843#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:31:40,977 INFO L290 TraceCheckUtils]: 35: Hoare triple {53851#(< (mod (+ main_~z~0 37) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53847#(< (mod (+ main_~z~0 36) 4294967296) 268435455)} is VALID [2022-04-28 10:31:40,978 INFO L290 TraceCheckUtils]: 34: Hoare triple {53855#(< (mod (+ main_~z~0 38) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53851#(< (mod (+ main_~z~0 37) 4294967296) 268435455)} is VALID [2022-04-28 10:31:40,979 INFO L290 TraceCheckUtils]: 33: Hoare triple {53859#(< (mod (+ main_~z~0 39) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53855#(< (mod (+ main_~z~0 38) 4294967296) 268435455)} is VALID [2022-04-28 10:31:40,979 INFO L290 TraceCheckUtils]: 32: Hoare triple {53863#(< (mod (+ 40 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53859#(< (mod (+ main_~z~0 39) 4294967296) 268435455)} is VALID [2022-04-28 10:31:40,980 INFO L290 TraceCheckUtils]: 31: Hoare triple {53867#(< (mod (+ 41 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53863#(< (mod (+ 40 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:31:40,980 INFO L290 TraceCheckUtils]: 30: Hoare triple {53871#(< (mod (+ 42 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53867#(< (mod (+ 41 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:31:40,981 INFO L290 TraceCheckUtils]: 29: Hoare triple {53875#(< (mod (+ main_~z~0 43) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53871#(< (mod (+ 42 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:31:40,982 INFO L290 TraceCheckUtils]: 28: Hoare triple {53879#(< (mod (+ 44 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53875#(< (mod (+ main_~z~0 43) 4294967296) 268435455)} is VALID [2022-04-28 10:31:40,982 INFO L290 TraceCheckUtils]: 27: Hoare triple {53883#(< (mod (+ main_~z~0 45) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53879#(< (mod (+ 44 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:31:40,983 INFO L290 TraceCheckUtils]: 26: Hoare triple {53887#(< (mod (+ main_~z~0 46) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53883#(< (mod (+ main_~z~0 45) 4294967296) 268435455)} is VALID [2022-04-28 10:31:40,984 INFO L290 TraceCheckUtils]: 25: Hoare triple {53891#(< (mod (+ main_~z~0 47) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53887#(< (mod (+ main_~z~0 46) 4294967296) 268435455)} is VALID [2022-04-28 10:31:40,984 INFO L290 TraceCheckUtils]: 24: Hoare triple {53895#(< (mod (+ main_~z~0 48) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53891#(< (mod (+ main_~z~0 47) 4294967296) 268435455)} is VALID [2022-04-28 10:31:40,985 INFO L290 TraceCheckUtils]: 23: Hoare triple {53899#(< (mod (+ 49 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53895#(< (mod (+ main_~z~0 48) 4294967296) 268435455)} is VALID [2022-04-28 10:31:40,985 INFO L290 TraceCheckUtils]: 22: Hoare triple {53903#(< (mod (+ main_~z~0 50) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53899#(< (mod (+ 49 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:31:40,986 INFO L290 TraceCheckUtils]: 21: Hoare triple {53907#(< (mod (+ 51 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53903#(< (mod (+ main_~z~0 50) 4294967296) 268435455)} is VALID [2022-04-28 10:31:40,987 INFO L290 TraceCheckUtils]: 20: Hoare triple {53911#(< (mod (+ main_~z~0 52) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53907#(< (mod (+ 51 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:31:40,987 INFO L290 TraceCheckUtils]: 19: Hoare triple {53915#(< (mod (+ 53 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53911#(< (mod (+ main_~z~0 52) 4294967296) 268435455)} is VALID [2022-04-28 10:31:40,989 INFO L290 TraceCheckUtils]: 18: Hoare triple {53919#(< (mod (+ main_~z~0 54) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53915#(< (mod (+ 53 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:31:40,990 INFO L290 TraceCheckUtils]: 17: Hoare triple {53923#(< (mod (+ main_~z~0 55) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53919#(< (mod (+ main_~z~0 54) 4294967296) 268435455)} is VALID [2022-04-28 10:31:40,991 INFO L290 TraceCheckUtils]: 16: Hoare triple {53927#(< (mod (+ 56 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53923#(< (mod (+ main_~z~0 55) 4294967296) 268435455)} is VALID [2022-04-28 10:31:40,991 INFO L290 TraceCheckUtils]: 15: Hoare triple {53931#(< (mod (+ 57 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53927#(< (mod (+ 56 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:31:40,992 INFO L290 TraceCheckUtils]: 14: Hoare triple {53935#(< (mod (+ main_~z~0 58) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53931#(< (mod (+ 57 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:31:40,993 INFO L290 TraceCheckUtils]: 13: Hoare triple {53939#(< (mod (+ 59 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53935#(< (mod (+ main_~z~0 58) 4294967296) 268435455)} is VALID [2022-04-28 10:31:40,993 INFO L290 TraceCheckUtils]: 12: Hoare triple {53943#(< (mod (+ main_~z~0 60) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53939#(< (mod (+ 59 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:31:40,994 INFO L290 TraceCheckUtils]: 11: Hoare triple {53947#(< (mod (+ main_~z~0 61) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53943#(< (mod (+ main_~z~0 60) 4294967296) 268435455)} is VALID [2022-04-28 10:31:40,994 INFO L290 TraceCheckUtils]: 10: Hoare triple {53951#(< (mod (+ main_~z~0 62) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53947#(< (mod (+ main_~z~0 61) 4294967296) 268435455)} is VALID [2022-04-28 10:31:40,996 INFO L290 TraceCheckUtils]: 9: Hoare triple {53955#(< (mod (+ main_~z~0 63) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53951#(< (mod (+ main_~z~0 62) 4294967296) 268435455)} is VALID [2022-04-28 10:31:40,996 INFO L290 TraceCheckUtils]: 8: Hoare triple {53959#(< (mod (+ 64 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {53955#(< (mod (+ main_~z~0 63) 4294967296) 268435455)} is VALID [2022-04-28 10:31:40,997 INFO L290 TraceCheckUtils]: 7: Hoare triple {53388#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {53959#(< (mod (+ 64 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:31:40,997 INFO L290 TraceCheckUtils]: 6: Hoare triple {53388#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {53388#true} is VALID [2022-04-28 10:31:40,997 INFO L290 TraceCheckUtils]: 5: Hoare triple {53388#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {53388#true} is VALID [2022-04-28 10:31:40,997 INFO L272 TraceCheckUtils]: 4: Hoare triple {53388#true} call #t~ret7 := main(); {53388#true} is VALID [2022-04-28 10:31:40,997 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {53388#true} {53388#true} #63#return; {53388#true} is VALID [2022-04-28 10:31:40,997 INFO L290 TraceCheckUtils]: 2: Hoare triple {53388#true} assume true; {53388#true} is VALID [2022-04-28 10:31:40,997 INFO L290 TraceCheckUtils]: 1: Hoare triple {53388#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {53388#true} is VALID [2022-04-28 10:31:40,997 INFO L272 TraceCheckUtils]: 0: Hoare triple {53388#true} call ULTIMATE.init(); {53388#true} is VALID [2022-04-28 10:31:40,998 INFO L134 CoverageAnalysis]: Checked inductivity of 2080 backedges. 0 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:31:40,998 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1207376676] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 10:31:40,998 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 10:31:40,998 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [68, 67, 67] total 134 [2022-04-28 10:31:40,998 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 10:31:40,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [2112295349] [2022-04-28 10:31:40,998 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [2112295349] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 10:31:40,998 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 10:31:40,998 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [68] imperfect sequences [] total 68 [2022-04-28 10:31:40,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572368182] [2022-04-28 10:31:40,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 10:31:40,999 INFO L78 Accepts]: Start accepts. Automaton has has 68 states, 68 states have (on average 1.0735294117647058) internal successors, (73), 67 states have internal predecessors, (73), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 77 [2022-04-28 10:31:40,999 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 10:31:40,999 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 68 states, 68 states have (on average 1.0735294117647058) internal successors, (73), 67 states have internal predecessors, (73), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:31:41,037 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 77 edges. 77 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:31:41,038 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 68 states [2022-04-28 10:31:41,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 10:31:41,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2022-04-28 10:31:41,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4620, Invalid=13202, Unknown=0, NotChecked=0, Total=17822 [2022-04-28 10:31:41,039 INFO L87 Difference]: Start difference. First operand 86 states and 90 transitions. Second operand has 68 states, 68 states have (on average 1.0735294117647058) internal successors, (73), 67 states have internal predecessors, (73), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:31:48,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:31:48,605 INFO L93 Difference]: Finished difference Result 167 states and 176 transitions. [2022-04-28 10:31:48,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-04-28 10:31:48,605 INFO L78 Accepts]: Start accepts. Automaton has has 68 states, 68 states have (on average 1.0735294117647058) internal successors, (73), 67 states have internal predecessors, (73), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 77 [2022-04-28 10:31:48,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 10:31:48,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 68 states have (on average 1.0735294117647058) internal successors, (73), 67 states have internal predecessors, (73), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:31:48,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 110 transitions. [2022-04-28 10:31:48,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 68 states have (on average 1.0735294117647058) internal successors, (73), 67 states have internal predecessors, (73), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:31:48,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 110 transitions. [2022-04-28 10:31:48,607 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 68 states and 110 transitions. [2022-04-28 10:31:48,681 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 110 edges. 110 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:31:48,681 INFO L225 Difference]: With dead ends: 167 [2022-04-28 10:31:48,682 INFO L226 Difference]: Without dead ends: 88 [2022-04-28 10:31:48,684 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 289 GetRequests, 91 SyntacticMatches, 1 SemanticMatches, 197 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2214 ImplicationChecksByTransitivity, 9.1s TimeCoverageRelationStatistics Valid=9233, Invalid=30169, Unknown=0, NotChecked=0, Total=39402 [2022-04-28 10:31:48,684 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 17 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 4382 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 4517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 4382 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-04-28 10:31:48,684 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 53 Invalid, 4517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [135 Valid, 4382 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-04-28 10:31:48,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2022-04-28 10:31:48,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 87. [2022-04-28 10:31:48,766 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 10:31:48,766 INFO L82 GeneralOperation]: Start isEquivalent. First operand 88 states. Second operand has 87 states, 79 states have (on average 1.0506329113924051) internal successors, (83), 80 states have internal predecessors, (83), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:31:48,766 INFO L74 IsIncluded]: Start isIncluded. First operand 88 states. Second operand has 87 states, 79 states have (on average 1.0506329113924051) internal successors, (83), 80 states have internal predecessors, (83), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:31:48,766 INFO L87 Difference]: Start difference. First operand 88 states. Second operand has 87 states, 79 states have (on average 1.0506329113924051) internal successors, (83), 80 states have internal predecessors, (83), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:31:48,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:31:48,767 INFO L93 Difference]: Finished difference Result 88 states and 92 transitions. [2022-04-28 10:31:48,767 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 92 transitions. [2022-04-28 10:31:48,767 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:31:48,767 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:31:48,768 INFO L74 IsIncluded]: Start isIncluded. First operand has 87 states, 79 states have (on average 1.0506329113924051) internal successors, (83), 80 states have internal predecessors, (83), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 88 states. [2022-04-28 10:31:48,768 INFO L87 Difference]: Start difference. First operand has 87 states, 79 states have (on average 1.0506329113924051) internal successors, (83), 80 states have internal predecessors, (83), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 88 states. [2022-04-28 10:31:48,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:31:48,768 INFO L93 Difference]: Finished difference Result 88 states and 92 transitions. [2022-04-28 10:31:48,768 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 92 transitions. [2022-04-28 10:31:48,769 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:31:48,769 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:31:48,769 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 10:31:48,769 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 10:31:48,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 79 states have (on average 1.0506329113924051) internal successors, (83), 80 states have internal predecessors, (83), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:31:48,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 91 transitions. [2022-04-28 10:31:48,770 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 91 transitions. Word has length 77 [2022-04-28 10:31:48,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 10:31:48,770 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 91 transitions. [2022-04-28 10:31:48,770 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 68 states, 68 states have (on average 1.0735294117647058) internal successors, (73), 67 states have internal predecessors, (73), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:31:48,770 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 87 states and 91 transitions. [2022-04-28 10:31:48,854 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 91 edges. 91 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:31:48,854 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 91 transitions. [2022-04-28 10:31:48,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-04-28 10:31:48,855 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 10:31:48,855 INFO L195 NwaCegarLoop]: trace histogram [65, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 10:31:48,878 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (65)] Ended with exit code 0 [2022-04-28 10:31:49,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67,65 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:31:49,055 INFO L420 AbstractCegarLoop]: === Iteration 69 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 10:31:49,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 10:31:49,055 INFO L85 PathProgramCache]: Analyzing trace with hash -1849877150, now seen corresponding path program 129 times [2022-04-28 10:31:49,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 10:31:49,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1057097730] [2022-04-28 10:31:49,058 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-28 10:31:49,058 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-28 10:31:49,058 INFO L85 PathProgramCache]: Analyzing trace with hash -1849877150, now seen corresponding path program 130 times [2022-04-28 10:31:49,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 10:31:49,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93351357] [2022-04-28 10:31:49,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 10:31:49,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 10:31:49,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:31:50,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 10:31:50,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:31:50,939 INFO L290 TraceCheckUtils]: 0: Hoare triple {54872#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {54801#true} is VALID [2022-04-28 10:31:50,939 INFO L290 TraceCheckUtils]: 1: Hoare triple {54801#true} assume true; {54801#true} is VALID [2022-04-28 10:31:50,939 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {54801#true} {54801#true} #63#return; {54801#true} is VALID [2022-04-28 10:31:50,939 INFO L272 TraceCheckUtils]: 0: Hoare triple {54801#true} call ULTIMATE.init(); {54872#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 10:31:50,939 INFO L290 TraceCheckUtils]: 1: Hoare triple {54872#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {54801#true} is VALID [2022-04-28 10:31:50,939 INFO L290 TraceCheckUtils]: 2: Hoare triple {54801#true} assume true; {54801#true} is VALID [2022-04-28 10:31:50,939 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {54801#true} {54801#true} #63#return; {54801#true} is VALID [2022-04-28 10:31:50,940 INFO L272 TraceCheckUtils]: 4: Hoare triple {54801#true} call #t~ret7 := main(); {54801#true} is VALID [2022-04-28 10:31:50,940 INFO L290 TraceCheckUtils]: 5: Hoare triple {54801#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {54801#true} is VALID [2022-04-28 10:31:50,940 INFO L290 TraceCheckUtils]: 6: Hoare triple {54801#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {54801#true} is VALID [2022-04-28 10:31:50,940 INFO L290 TraceCheckUtils]: 7: Hoare triple {54801#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {54806#(= main_~z~0 0)} is VALID [2022-04-28 10:31:50,940 INFO L290 TraceCheckUtils]: 8: Hoare triple {54806#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54807#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:31:50,941 INFO L290 TraceCheckUtils]: 9: Hoare triple {54807#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54808#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:31:50,941 INFO L290 TraceCheckUtils]: 10: Hoare triple {54808#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54809#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:31:50,942 INFO L290 TraceCheckUtils]: 11: Hoare triple {54809#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54810#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:31:50,942 INFO L290 TraceCheckUtils]: 12: Hoare triple {54810#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54811#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:31:50,943 INFO L290 TraceCheckUtils]: 13: Hoare triple {54811#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54812#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:31:50,943 INFO L290 TraceCheckUtils]: 14: Hoare triple {54812#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54813#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:31:50,944 INFO L290 TraceCheckUtils]: 15: Hoare triple {54813#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54814#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:31:50,944 INFO L290 TraceCheckUtils]: 16: Hoare triple {54814#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54815#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:31:50,945 INFO L290 TraceCheckUtils]: 17: Hoare triple {54815#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54816#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:31:50,945 INFO L290 TraceCheckUtils]: 18: Hoare triple {54816#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54817#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:31:50,946 INFO L290 TraceCheckUtils]: 19: Hoare triple {54817#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54818#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:31:50,946 INFO L290 TraceCheckUtils]: 20: Hoare triple {54818#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54819#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:31:50,947 INFO L290 TraceCheckUtils]: 21: Hoare triple {54819#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54820#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:31:50,947 INFO L290 TraceCheckUtils]: 22: Hoare triple {54820#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54821#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:31:50,948 INFO L290 TraceCheckUtils]: 23: Hoare triple {54821#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54822#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:31:50,948 INFO L290 TraceCheckUtils]: 24: Hoare triple {54822#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54823#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:31:50,949 INFO L290 TraceCheckUtils]: 25: Hoare triple {54823#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54824#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:31:50,949 INFO L290 TraceCheckUtils]: 26: Hoare triple {54824#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54825#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:31:50,950 INFO L290 TraceCheckUtils]: 27: Hoare triple {54825#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54826#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 10:31:50,950 INFO L290 TraceCheckUtils]: 28: Hoare triple {54826#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54827#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 10:31:50,951 INFO L290 TraceCheckUtils]: 29: Hoare triple {54827#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54828#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 10:31:50,951 INFO L290 TraceCheckUtils]: 30: Hoare triple {54828#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54829#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 10:31:50,952 INFO L290 TraceCheckUtils]: 31: Hoare triple {54829#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54830#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 10:31:50,952 INFO L290 TraceCheckUtils]: 32: Hoare triple {54830#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54831#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 10:31:50,953 INFO L290 TraceCheckUtils]: 33: Hoare triple {54831#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54832#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 10:31:50,953 INFO L290 TraceCheckUtils]: 34: Hoare triple {54832#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54833#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 10:31:50,954 INFO L290 TraceCheckUtils]: 35: Hoare triple {54833#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54834#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 10:31:50,954 INFO L290 TraceCheckUtils]: 36: Hoare triple {54834#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54835#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 10:31:50,955 INFO L290 TraceCheckUtils]: 37: Hoare triple {54835#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54836#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 10:31:50,956 INFO L290 TraceCheckUtils]: 38: Hoare triple {54836#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54837#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 10:31:50,956 INFO L290 TraceCheckUtils]: 39: Hoare triple {54837#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54838#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 10:31:50,957 INFO L290 TraceCheckUtils]: 40: Hoare triple {54838#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54839#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 10:31:50,957 INFO L290 TraceCheckUtils]: 41: Hoare triple {54839#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54840#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 10:31:50,958 INFO L290 TraceCheckUtils]: 42: Hoare triple {54840#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54841#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 10:31:50,958 INFO L290 TraceCheckUtils]: 43: Hoare triple {54841#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54842#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 10:31:50,959 INFO L290 TraceCheckUtils]: 44: Hoare triple {54842#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54843#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 10:31:50,959 INFO L290 TraceCheckUtils]: 45: Hoare triple {54843#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54844#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 10:31:50,960 INFO L290 TraceCheckUtils]: 46: Hoare triple {54844#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54845#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 10:31:50,960 INFO L290 TraceCheckUtils]: 47: Hoare triple {54845#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54846#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 10:31:50,961 INFO L290 TraceCheckUtils]: 48: Hoare triple {54846#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54847#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 10:31:50,961 INFO L290 TraceCheckUtils]: 49: Hoare triple {54847#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54848#(and (<= 42 main_~z~0) (<= main_~z~0 42))} is VALID [2022-04-28 10:31:50,962 INFO L290 TraceCheckUtils]: 50: Hoare triple {54848#(and (<= 42 main_~z~0) (<= main_~z~0 42))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54849#(and (<= main_~z~0 43) (<= 43 main_~z~0))} is VALID [2022-04-28 10:31:50,962 INFO L290 TraceCheckUtils]: 51: Hoare triple {54849#(and (<= main_~z~0 43) (<= 43 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54850#(and (<= main_~z~0 44) (<= 44 main_~z~0))} is VALID [2022-04-28 10:31:50,963 INFO L290 TraceCheckUtils]: 52: Hoare triple {54850#(and (<= main_~z~0 44) (<= 44 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54851#(and (<= main_~z~0 45) (<= 45 main_~z~0))} is VALID [2022-04-28 10:31:50,963 INFO L290 TraceCheckUtils]: 53: Hoare triple {54851#(and (<= main_~z~0 45) (<= 45 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54852#(and (<= 46 main_~z~0) (<= main_~z~0 46))} is VALID [2022-04-28 10:31:50,964 INFO L290 TraceCheckUtils]: 54: Hoare triple {54852#(and (<= 46 main_~z~0) (<= main_~z~0 46))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54853#(and (<= main_~z~0 47) (<= 47 main_~z~0))} is VALID [2022-04-28 10:31:50,964 INFO L290 TraceCheckUtils]: 55: Hoare triple {54853#(and (<= main_~z~0 47) (<= 47 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54854#(and (<= 48 main_~z~0) (<= main_~z~0 48))} is VALID [2022-04-28 10:31:50,965 INFO L290 TraceCheckUtils]: 56: Hoare triple {54854#(and (<= 48 main_~z~0) (<= main_~z~0 48))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54855#(and (<= 49 main_~z~0) (<= main_~z~0 49))} is VALID [2022-04-28 10:31:50,965 INFO L290 TraceCheckUtils]: 57: Hoare triple {54855#(and (<= 49 main_~z~0) (<= main_~z~0 49))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54856#(and (<= 50 main_~z~0) (<= main_~z~0 50))} is VALID [2022-04-28 10:31:50,966 INFO L290 TraceCheckUtils]: 58: Hoare triple {54856#(and (<= 50 main_~z~0) (<= main_~z~0 50))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54857#(and (<= main_~z~0 51) (<= 51 main_~z~0))} is VALID [2022-04-28 10:31:50,966 INFO L290 TraceCheckUtils]: 59: Hoare triple {54857#(and (<= main_~z~0 51) (<= 51 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54858#(and (<= 52 main_~z~0) (<= main_~z~0 52))} is VALID [2022-04-28 10:31:50,967 INFO L290 TraceCheckUtils]: 60: Hoare triple {54858#(and (<= 52 main_~z~0) (<= main_~z~0 52))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54859#(and (<= 53 main_~z~0) (<= main_~z~0 53))} is VALID [2022-04-28 10:31:50,967 INFO L290 TraceCheckUtils]: 61: Hoare triple {54859#(and (<= 53 main_~z~0) (<= main_~z~0 53))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54860#(and (<= main_~z~0 54) (<= 54 main_~z~0))} is VALID [2022-04-28 10:31:50,968 INFO L290 TraceCheckUtils]: 62: Hoare triple {54860#(and (<= main_~z~0 54) (<= 54 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54861#(and (<= 55 main_~z~0) (<= main_~z~0 55))} is VALID [2022-04-28 10:31:50,968 INFO L290 TraceCheckUtils]: 63: Hoare triple {54861#(and (<= 55 main_~z~0) (<= main_~z~0 55))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54862#(and (<= 56 main_~z~0) (<= main_~z~0 56))} is VALID [2022-04-28 10:31:50,969 INFO L290 TraceCheckUtils]: 64: Hoare triple {54862#(and (<= 56 main_~z~0) (<= main_~z~0 56))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54863#(and (<= main_~z~0 57) (<= 57 main_~z~0))} is VALID [2022-04-28 10:31:50,969 INFO L290 TraceCheckUtils]: 65: Hoare triple {54863#(and (<= main_~z~0 57) (<= 57 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54864#(and (<= 58 main_~z~0) (<= main_~z~0 58))} is VALID [2022-04-28 10:31:50,970 INFO L290 TraceCheckUtils]: 66: Hoare triple {54864#(and (<= 58 main_~z~0) (<= main_~z~0 58))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54865#(and (<= main_~z~0 59) (<= 59 main_~z~0))} is VALID [2022-04-28 10:31:50,970 INFO L290 TraceCheckUtils]: 67: Hoare triple {54865#(and (<= main_~z~0 59) (<= 59 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54866#(and (<= main_~z~0 60) (<= 60 main_~z~0))} is VALID [2022-04-28 10:31:50,971 INFO L290 TraceCheckUtils]: 68: Hoare triple {54866#(and (<= main_~z~0 60) (<= 60 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54867#(and (<= 61 main_~z~0) (<= main_~z~0 61))} is VALID [2022-04-28 10:31:50,971 INFO L290 TraceCheckUtils]: 69: Hoare triple {54867#(and (<= 61 main_~z~0) (<= main_~z~0 61))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54868#(and (<= 62 main_~z~0) (<= main_~z~0 62))} is VALID [2022-04-28 10:31:50,972 INFO L290 TraceCheckUtils]: 70: Hoare triple {54868#(and (<= 62 main_~z~0) (<= main_~z~0 62))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54869#(and (<= 63 main_~z~0) (<= main_~z~0 63))} is VALID [2022-04-28 10:31:50,972 INFO L290 TraceCheckUtils]: 71: Hoare triple {54869#(and (<= 63 main_~z~0) (<= main_~z~0 63))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54870#(and (<= main_~z~0 64) (<= 64 main_~z~0))} is VALID [2022-04-28 10:31:50,973 INFO L290 TraceCheckUtils]: 72: Hoare triple {54870#(and (<= main_~z~0 64) (<= 64 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54871#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 65))} is VALID [2022-04-28 10:31:50,974 INFO L290 TraceCheckUtils]: 73: Hoare triple {54871#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 65))} assume !(~z~0 % 4294967296 < 268435455); {54802#false} is VALID [2022-04-28 10:31:50,974 INFO L272 TraceCheckUtils]: 74: Hoare triple {54802#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {54802#false} is VALID [2022-04-28 10:31:50,974 INFO L290 TraceCheckUtils]: 75: Hoare triple {54802#false} ~cond := #in~cond; {54802#false} is VALID [2022-04-28 10:31:50,974 INFO L290 TraceCheckUtils]: 76: Hoare triple {54802#false} assume 0 == ~cond; {54802#false} is VALID [2022-04-28 10:31:50,974 INFO L290 TraceCheckUtils]: 77: Hoare triple {54802#false} assume !false; {54802#false} is VALID [2022-04-28 10:31:50,974 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:31:50,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 10:31:50,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93351357] [2022-04-28 10:31:50,975 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93351357] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 10:31:50,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [825717326] [2022-04-28 10:31:50,975 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-28 10:31:50,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:31:50,975 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 10:31:50,976 INFO L229 MonitoredProcess]: Starting monitored process 66 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 10:31:50,977 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (66)] Waiting until timeout for monitored process [2022-04-28 10:31:51,132 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-28 10:31:51,133 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 10:31:51,135 WARN L261 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 133 conjunts are in the unsatisfiable core [2022-04-28 10:31:51,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:31:51,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 10:31:51,803 INFO L272 TraceCheckUtils]: 0: Hoare triple {54801#true} call ULTIMATE.init(); {54801#true} is VALID [2022-04-28 10:31:51,803 INFO L290 TraceCheckUtils]: 1: Hoare triple {54801#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {54801#true} is VALID [2022-04-28 10:31:51,804 INFO L290 TraceCheckUtils]: 2: Hoare triple {54801#true} assume true; {54801#true} is VALID [2022-04-28 10:31:51,804 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {54801#true} {54801#true} #63#return; {54801#true} is VALID [2022-04-28 10:31:51,804 INFO L272 TraceCheckUtils]: 4: Hoare triple {54801#true} call #t~ret7 := main(); {54801#true} is VALID [2022-04-28 10:31:51,804 INFO L290 TraceCheckUtils]: 5: Hoare triple {54801#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {54801#true} is VALID [2022-04-28 10:31:51,804 INFO L290 TraceCheckUtils]: 6: Hoare triple {54801#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {54801#true} is VALID [2022-04-28 10:31:51,804 INFO L290 TraceCheckUtils]: 7: Hoare triple {54801#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {54806#(= main_~z~0 0)} is VALID [2022-04-28 10:31:51,804 INFO L290 TraceCheckUtils]: 8: Hoare triple {54806#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54807#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:31:51,805 INFO L290 TraceCheckUtils]: 9: Hoare triple {54807#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54808#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:31:51,805 INFO L290 TraceCheckUtils]: 10: Hoare triple {54808#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54809#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:31:51,806 INFO L290 TraceCheckUtils]: 11: Hoare triple {54809#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54810#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:31:51,806 INFO L290 TraceCheckUtils]: 12: Hoare triple {54810#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54811#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:31:51,807 INFO L290 TraceCheckUtils]: 13: Hoare triple {54811#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54812#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:31:51,807 INFO L290 TraceCheckUtils]: 14: Hoare triple {54812#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54813#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:31:51,808 INFO L290 TraceCheckUtils]: 15: Hoare triple {54813#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54814#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:31:51,808 INFO L290 TraceCheckUtils]: 16: Hoare triple {54814#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54815#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:31:51,809 INFO L290 TraceCheckUtils]: 17: Hoare triple {54815#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54816#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:31:51,809 INFO L290 TraceCheckUtils]: 18: Hoare triple {54816#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54817#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:31:51,809 INFO L290 TraceCheckUtils]: 19: Hoare triple {54817#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54818#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:31:51,810 INFO L290 TraceCheckUtils]: 20: Hoare triple {54818#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54819#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:31:51,810 INFO L290 TraceCheckUtils]: 21: Hoare triple {54819#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54820#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:31:51,811 INFO L290 TraceCheckUtils]: 22: Hoare triple {54820#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54821#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:31:51,811 INFO L290 TraceCheckUtils]: 23: Hoare triple {54821#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54822#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:31:51,812 INFO L290 TraceCheckUtils]: 24: Hoare triple {54822#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54823#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:31:51,812 INFO L290 TraceCheckUtils]: 25: Hoare triple {54823#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54824#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:31:51,813 INFO L290 TraceCheckUtils]: 26: Hoare triple {54824#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54825#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:31:51,813 INFO L290 TraceCheckUtils]: 27: Hoare triple {54825#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54826#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 10:31:51,814 INFO L290 TraceCheckUtils]: 28: Hoare triple {54826#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54827#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 10:31:51,814 INFO L290 TraceCheckUtils]: 29: Hoare triple {54827#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54828#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 10:31:51,814 INFO L290 TraceCheckUtils]: 30: Hoare triple {54828#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54829#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 10:31:51,815 INFO L290 TraceCheckUtils]: 31: Hoare triple {54829#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54830#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 10:31:51,815 INFO L290 TraceCheckUtils]: 32: Hoare triple {54830#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54831#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 10:31:51,816 INFO L290 TraceCheckUtils]: 33: Hoare triple {54831#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54832#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 10:31:51,816 INFO L290 TraceCheckUtils]: 34: Hoare triple {54832#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54833#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 10:31:51,817 INFO L290 TraceCheckUtils]: 35: Hoare triple {54833#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54834#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 10:31:51,817 INFO L290 TraceCheckUtils]: 36: Hoare triple {54834#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54835#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 10:31:51,818 INFO L290 TraceCheckUtils]: 37: Hoare triple {54835#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54836#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 10:31:51,818 INFO L290 TraceCheckUtils]: 38: Hoare triple {54836#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54837#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 10:31:51,818 INFO L290 TraceCheckUtils]: 39: Hoare triple {54837#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54838#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 10:31:51,819 INFO L290 TraceCheckUtils]: 40: Hoare triple {54838#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54839#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 10:31:51,819 INFO L290 TraceCheckUtils]: 41: Hoare triple {54839#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54840#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 10:31:51,820 INFO L290 TraceCheckUtils]: 42: Hoare triple {54840#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54841#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 10:31:51,820 INFO L290 TraceCheckUtils]: 43: Hoare triple {54841#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54842#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 10:31:51,821 INFO L290 TraceCheckUtils]: 44: Hoare triple {54842#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54843#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 10:31:51,821 INFO L290 TraceCheckUtils]: 45: Hoare triple {54843#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54844#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 10:31:51,822 INFO L290 TraceCheckUtils]: 46: Hoare triple {54844#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54845#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 10:31:51,822 INFO L290 TraceCheckUtils]: 47: Hoare triple {54845#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54846#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 10:31:51,823 INFO L290 TraceCheckUtils]: 48: Hoare triple {54846#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54847#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 10:31:51,823 INFO L290 TraceCheckUtils]: 49: Hoare triple {54847#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54848#(and (<= 42 main_~z~0) (<= main_~z~0 42))} is VALID [2022-04-28 10:31:51,823 INFO L290 TraceCheckUtils]: 50: Hoare triple {54848#(and (<= 42 main_~z~0) (<= main_~z~0 42))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54849#(and (<= main_~z~0 43) (<= 43 main_~z~0))} is VALID [2022-04-28 10:31:51,824 INFO L290 TraceCheckUtils]: 51: Hoare triple {54849#(and (<= main_~z~0 43) (<= 43 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54850#(and (<= main_~z~0 44) (<= 44 main_~z~0))} is VALID [2022-04-28 10:31:51,824 INFO L290 TraceCheckUtils]: 52: Hoare triple {54850#(and (<= main_~z~0 44) (<= 44 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54851#(and (<= main_~z~0 45) (<= 45 main_~z~0))} is VALID [2022-04-28 10:31:51,825 INFO L290 TraceCheckUtils]: 53: Hoare triple {54851#(and (<= main_~z~0 45) (<= 45 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54852#(and (<= 46 main_~z~0) (<= main_~z~0 46))} is VALID [2022-04-28 10:31:51,825 INFO L290 TraceCheckUtils]: 54: Hoare triple {54852#(and (<= 46 main_~z~0) (<= main_~z~0 46))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54853#(and (<= main_~z~0 47) (<= 47 main_~z~0))} is VALID [2022-04-28 10:31:51,826 INFO L290 TraceCheckUtils]: 55: Hoare triple {54853#(and (<= main_~z~0 47) (<= 47 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54854#(and (<= 48 main_~z~0) (<= main_~z~0 48))} is VALID [2022-04-28 10:31:51,826 INFO L290 TraceCheckUtils]: 56: Hoare triple {54854#(and (<= 48 main_~z~0) (<= main_~z~0 48))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54855#(and (<= 49 main_~z~0) (<= main_~z~0 49))} is VALID [2022-04-28 10:31:51,827 INFO L290 TraceCheckUtils]: 57: Hoare triple {54855#(and (<= 49 main_~z~0) (<= main_~z~0 49))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54856#(and (<= 50 main_~z~0) (<= main_~z~0 50))} is VALID [2022-04-28 10:31:51,827 INFO L290 TraceCheckUtils]: 58: Hoare triple {54856#(and (<= 50 main_~z~0) (<= main_~z~0 50))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54857#(and (<= main_~z~0 51) (<= 51 main_~z~0))} is VALID [2022-04-28 10:31:51,828 INFO L290 TraceCheckUtils]: 59: Hoare triple {54857#(and (<= main_~z~0 51) (<= 51 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54858#(and (<= 52 main_~z~0) (<= main_~z~0 52))} is VALID [2022-04-28 10:31:51,828 INFO L290 TraceCheckUtils]: 60: Hoare triple {54858#(and (<= 52 main_~z~0) (<= main_~z~0 52))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54859#(and (<= 53 main_~z~0) (<= main_~z~0 53))} is VALID [2022-04-28 10:31:51,828 INFO L290 TraceCheckUtils]: 61: Hoare triple {54859#(and (<= 53 main_~z~0) (<= main_~z~0 53))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54860#(and (<= main_~z~0 54) (<= 54 main_~z~0))} is VALID [2022-04-28 10:31:51,829 INFO L290 TraceCheckUtils]: 62: Hoare triple {54860#(and (<= main_~z~0 54) (<= 54 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54861#(and (<= 55 main_~z~0) (<= main_~z~0 55))} is VALID [2022-04-28 10:31:51,829 INFO L290 TraceCheckUtils]: 63: Hoare triple {54861#(and (<= 55 main_~z~0) (<= main_~z~0 55))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54862#(and (<= 56 main_~z~0) (<= main_~z~0 56))} is VALID [2022-04-28 10:31:51,830 INFO L290 TraceCheckUtils]: 64: Hoare triple {54862#(and (<= 56 main_~z~0) (<= main_~z~0 56))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54863#(and (<= main_~z~0 57) (<= 57 main_~z~0))} is VALID [2022-04-28 10:31:51,830 INFO L290 TraceCheckUtils]: 65: Hoare triple {54863#(and (<= main_~z~0 57) (<= 57 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54864#(and (<= 58 main_~z~0) (<= main_~z~0 58))} is VALID [2022-04-28 10:31:51,831 INFO L290 TraceCheckUtils]: 66: Hoare triple {54864#(and (<= 58 main_~z~0) (<= main_~z~0 58))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54865#(and (<= main_~z~0 59) (<= 59 main_~z~0))} is VALID [2022-04-28 10:31:51,831 INFO L290 TraceCheckUtils]: 67: Hoare triple {54865#(and (<= main_~z~0 59) (<= 59 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54866#(and (<= main_~z~0 60) (<= 60 main_~z~0))} is VALID [2022-04-28 10:31:51,832 INFO L290 TraceCheckUtils]: 68: Hoare triple {54866#(and (<= main_~z~0 60) (<= 60 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54867#(and (<= 61 main_~z~0) (<= main_~z~0 61))} is VALID [2022-04-28 10:31:51,832 INFO L290 TraceCheckUtils]: 69: Hoare triple {54867#(and (<= 61 main_~z~0) (<= main_~z~0 61))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54868#(and (<= 62 main_~z~0) (<= main_~z~0 62))} is VALID [2022-04-28 10:31:51,833 INFO L290 TraceCheckUtils]: 70: Hoare triple {54868#(and (<= 62 main_~z~0) (<= main_~z~0 62))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54869#(and (<= 63 main_~z~0) (<= main_~z~0 63))} is VALID [2022-04-28 10:31:51,833 INFO L290 TraceCheckUtils]: 71: Hoare triple {54869#(and (<= 63 main_~z~0) (<= main_~z~0 63))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {54870#(and (<= main_~z~0 64) (<= 64 main_~z~0))} is VALID [2022-04-28 10:31:51,833 INFO L290 TraceCheckUtils]: 72: Hoare triple {54870#(and (<= main_~z~0 64) (<= 64 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {55092#(and (<= 65 main_~z~0) (<= main_~z~0 65))} is VALID [2022-04-28 10:31:51,834 INFO L290 TraceCheckUtils]: 73: Hoare triple {55092#(and (<= 65 main_~z~0) (<= main_~z~0 65))} assume !(~z~0 % 4294967296 < 268435455); {54802#false} is VALID [2022-04-28 10:31:51,834 INFO L272 TraceCheckUtils]: 74: Hoare triple {54802#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {54802#false} is VALID [2022-04-28 10:31:51,834 INFO L290 TraceCheckUtils]: 75: Hoare triple {54802#false} ~cond := #in~cond; {54802#false} is VALID [2022-04-28 10:31:51,834 INFO L290 TraceCheckUtils]: 76: Hoare triple {54802#false} assume 0 == ~cond; {54802#false} is VALID [2022-04-28 10:31:51,834 INFO L290 TraceCheckUtils]: 77: Hoare triple {54802#false} assume !false; {54802#false} is VALID [2022-04-28 10:31:51,834 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:31:51,835 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-28 10:31:57,903 INFO L290 TraceCheckUtils]: 77: Hoare triple {54802#false} assume !false; {54802#false} is VALID [2022-04-28 10:31:57,903 INFO L290 TraceCheckUtils]: 76: Hoare triple {54802#false} assume 0 == ~cond; {54802#false} is VALID [2022-04-28 10:31:57,904 INFO L290 TraceCheckUtils]: 75: Hoare triple {54802#false} ~cond := #in~cond; {54802#false} is VALID [2022-04-28 10:31:57,904 INFO L272 TraceCheckUtils]: 74: Hoare triple {54802#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {54802#false} is VALID [2022-04-28 10:31:57,904 INFO L290 TraceCheckUtils]: 73: Hoare triple {55120#(< (mod main_~z~0 4294967296) 268435455)} assume !(~z~0 % 4294967296 < 268435455); {54802#false} is VALID [2022-04-28 10:31:57,904 INFO L290 TraceCheckUtils]: 72: Hoare triple {55124#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {55120#(< (mod main_~z~0 4294967296) 268435455)} is VALID [2022-04-28 10:31:57,905 INFO L290 TraceCheckUtils]: 71: Hoare triple {55128#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {55124#(< (mod (+ main_~z~0 1) 4294967296) 268435455)} is VALID [2022-04-28 10:31:57,906 INFO L290 TraceCheckUtils]: 70: Hoare triple {55132#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {55128#(< (mod (+ main_~z~0 2) 4294967296) 268435455)} is VALID [2022-04-28 10:31:57,906 INFO L290 TraceCheckUtils]: 69: Hoare triple {55136#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {55132#(< (mod (+ main_~z~0 3) 4294967296) 268435455)} is VALID [2022-04-28 10:31:57,907 INFO L290 TraceCheckUtils]: 68: Hoare triple {55140#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {55136#(< (mod (+ main_~z~0 4) 4294967296) 268435455)} is VALID [2022-04-28 10:31:57,907 INFO L290 TraceCheckUtils]: 67: Hoare triple {55144#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {55140#(< (mod (+ 5 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:31:57,908 INFO L290 TraceCheckUtils]: 66: Hoare triple {55148#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {55144#(< (mod (+ main_~z~0 6) 4294967296) 268435455)} is VALID [2022-04-28 10:31:57,908 INFO L290 TraceCheckUtils]: 65: Hoare triple {55152#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {55148#(< (mod (+ 7 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:31:57,909 INFO L290 TraceCheckUtils]: 64: Hoare triple {55156#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {55152#(< (mod (+ main_~z~0 8) 4294967296) 268435455)} is VALID [2022-04-28 10:31:57,910 INFO L290 TraceCheckUtils]: 63: Hoare triple {55160#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {55156#(< (mod (+ main_~z~0 9) 4294967296) 268435455)} is VALID [2022-04-28 10:31:57,910 INFO L290 TraceCheckUtils]: 62: Hoare triple {55164#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {55160#(< (mod (+ main_~z~0 10) 4294967296) 268435455)} is VALID [2022-04-28 10:31:57,911 INFO L290 TraceCheckUtils]: 61: Hoare triple {55168#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {55164#(< (mod (+ main_~z~0 11) 4294967296) 268435455)} is VALID [2022-04-28 10:31:57,911 INFO L290 TraceCheckUtils]: 60: Hoare triple {55172#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {55168#(< (mod (+ main_~z~0 12) 4294967296) 268435455)} is VALID [2022-04-28 10:31:57,912 INFO L290 TraceCheckUtils]: 59: Hoare triple {55176#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {55172#(< (mod (+ main_~z~0 13) 4294967296) 268435455)} is VALID [2022-04-28 10:31:57,912 INFO L290 TraceCheckUtils]: 58: Hoare triple {55180#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {55176#(< (mod (+ main_~z~0 14) 4294967296) 268435455)} is VALID [2022-04-28 10:31:57,913 INFO L290 TraceCheckUtils]: 57: Hoare triple {55184#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {55180#(< (mod (+ main_~z~0 15) 4294967296) 268435455)} is VALID [2022-04-28 10:31:57,914 INFO L290 TraceCheckUtils]: 56: Hoare triple {55188#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {55184#(< (mod (+ main_~z~0 16) 4294967296) 268435455)} is VALID [2022-04-28 10:31:57,915 INFO L290 TraceCheckUtils]: 55: Hoare triple {55192#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {55188#(< (mod (+ main_~z~0 17) 4294967296) 268435455)} is VALID [2022-04-28 10:31:57,915 INFO L290 TraceCheckUtils]: 54: Hoare triple {55196#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {55192#(< (mod (+ main_~z~0 18) 4294967296) 268435455)} is VALID [2022-04-28 10:31:57,916 INFO L290 TraceCheckUtils]: 53: Hoare triple {55200#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {55196#(< (mod (+ 19 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:31:57,916 INFO L290 TraceCheckUtils]: 52: Hoare triple {55204#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {55200#(< (mod (+ main_~z~0 20) 4294967296) 268435455)} is VALID [2022-04-28 10:31:57,917 INFO L290 TraceCheckUtils]: 51: Hoare triple {55208#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {55204#(< (mod (+ main_~z~0 21) 4294967296) 268435455)} is VALID [2022-04-28 10:31:57,917 INFO L290 TraceCheckUtils]: 50: Hoare triple {55212#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {55208#(< (mod (+ main_~z~0 22) 4294967296) 268435455)} is VALID [2022-04-28 10:31:57,918 INFO L290 TraceCheckUtils]: 49: Hoare triple {55216#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {55212#(< (mod (+ 23 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:31:57,918 INFO L290 TraceCheckUtils]: 48: Hoare triple {55220#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {55216#(< (mod (+ main_~z~0 24) 4294967296) 268435455)} is VALID [2022-04-28 10:31:57,919 INFO L290 TraceCheckUtils]: 47: Hoare triple {55224#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {55220#(< (mod (+ main_~z~0 25) 4294967296) 268435455)} is VALID [2022-04-28 10:31:57,920 INFO L290 TraceCheckUtils]: 46: Hoare triple {55228#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {55224#(< (mod (+ main_~z~0 26) 4294967296) 268435455)} is VALID [2022-04-28 10:31:57,920 INFO L290 TraceCheckUtils]: 45: Hoare triple {55232#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {55228#(< (mod (+ main_~z~0 27) 4294967296) 268435455)} is VALID [2022-04-28 10:31:57,921 INFO L290 TraceCheckUtils]: 44: Hoare triple {55236#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {55232#(< (mod (+ main_~z~0 28) 4294967296) 268435455)} is VALID [2022-04-28 10:31:57,921 INFO L290 TraceCheckUtils]: 43: Hoare triple {55240#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {55236#(< (mod (+ 29 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:31:57,922 INFO L290 TraceCheckUtils]: 42: Hoare triple {55244#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {55240#(< (mod (+ 30 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:31:57,922 INFO L290 TraceCheckUtils]: 41: Hoare triple {55248#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {55244#(< (mod (+ main_~z~0 31) 4294967296) 268435455)} is VALID [2022-04-28 10:31:57,923 INFO L290 TraceCheckUtils]: 40: Hoare triple {55252#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {55248#(< (mod (+ 32 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:31:57,924 INFO L290 TraceCheckUtils]: 39: Hoare triple {55256#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {55252#(< (mod (+ main_~z~0 33) 4294967296) 268435455)} is VALID [2022-04-28 10:31:57,924 INFO L290 TraceCheckUtils]: 38: Hoare triple {55260#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {55256#(< (mod (+ main_~z~0 34) 4294967296) 268435455)} is VALID [2022-04-28 10:31:57,925 INFO L290 TraceCheckUtils]: 37: Hoare triple {55264#(< (mod (+ main_~z~0 36) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {55260#(< (mod (+ 35 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:31:57,925 INFO L290 TraceCheckUtils]: 36: Hoare triple {55268#(< (mod (+ main_~z~0 37) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {55264#(< (mod (+ main_~z~0 36) 4294967296) 268435455)} is VALID [2022-04-28 10:31:57,926 INFO L290 TraceCheckUtils]: 35: Hoare triple {55272#(< (mod (+ main_~z~0 38) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {55268#(< (mod (+ main_~z~0 37) 4294967296) 268435455)} is VALID [2022-04-28 10:31:57,926 INFO L290 TraceCheckUtils]: 34: Hoare triple {55276#(< (mod (+ main_~z~0 39) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {55272#(< (mod (+ main_~z~0 38) 4294967296) 268435455)} is VALID [2022-04-28 10:31:57,927 INFO L290 TraceCheckUtils]: 33: Hoare triple {55280#(< (mod (+ 40 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {55276#(< (mod (+ main_~z~0 39) 4294967296) 268435455)} is VALID [2022-04-28 10:31:57,927 INFO L290 TraceCheckUtils]: 32: Hoare triple {55284#(< (mod (+ 41 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {55280#(< (mod (+ 40 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:31:57,928 INFO L290 TraceCheckUtils]: 31: Hoare triple {55288#(< (mod (+ 42 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {55284#(< (mod (+ 41 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:31:57,929 INFO L290 TraceCheckUtils]: 30: Hoare triple {55292#(< (mod (+ main_~z~0 43) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {55288#(< (mod (+ 42 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:31:57,929 INFO L290 TraceCheckUtils]: 29: Hoare triple {55296#(< (mod (+ 44 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {55292#(< (mod (+ main_~z~0 43) 4294967296) 268435455)} is VALID [2022-04-28 10:31:57,930 INFO L290 TraceCheckUtils]: 28: Hoare triple {55300#(< (mod (+ main_~z~0 45) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {55296#(< (mod (+ 44 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:31:57,930 INFO L290 TraceCheckUtils]: 27: Hoare triple {55304#(< (mod (+ main_~z~0 46) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {55300#(< (mod (+ main_~z~0 45) 4294967296) 268435455)} is VALID [2022-04-28 10:31:57,931 INFO L290 TraceCheckUtils]: 26: Hoare triple {55308#(< (mod (+ main_~z~0 47) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {55304#(< (mod (+ main_~z~0 46) 4294967296) 268435455)} is VALID [2022-04-28 10:31:57,931 INFO L290 TraceCheckUtils]: 25: Hoare triple {55312#(< (mod (+ main_~z~0 48) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {55308#(< (mod (+ main_~z~0 47) 4294967296) 268435455)} is VALID [2022-04-28 10:31:57,932 INFO L290 TraceCheckUtils]: 24: Hoare triple {55316#(< (mod (+ 49 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {55312#(< (mod (+ main_~z~0 48) 4294967296) 268435455)} is VALID [2022-04-28 10:31:57,932 INFO L290 TraceCheckUtils]: 23: Hoare triple {55320#(< (mod (+ main_~z~0 50) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {55316#(< (mod (+ 49 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:31:57,933 INFO L290 TraceCheckUtils]: 22: Hoare triple {55324#(< (mod (+ 51 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {55320#(< (mod (+ main_~z~0 50) 4294967296) 268435455)} is VALID [2022-04-28 10:31:57,934 INFO L290 TraceCheckUtils]: 21: Hoare triple {55328#(< (mod (+ main_~z~0 52) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {55324#(< (mod (+ 51 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:31:57,934 INFO L290 TraceCheckUtils]: 20: Hoare triple {55332#(< (mod (+ 53 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {55328#(< (mod (+ main_~z~0 52) 4294967296) 268435455)} is VALID [2022-04-28 10:31:57,935 INFO L290 TraceCheckUtils]: 19: Hoare triple {55336#(< (mod (+ main_~z~0 54) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {55332#(< (mod (+ 53 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:31:57,935 INFO L290 TraceCheckUtils]: 18: Hoare triple {55340#(< (mod (+ main_~z~0 55) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {55336#(< (mod (+ main_~z~0 54) 4294967296) 268435455)} is VALID [2022-04-28 10:31:57,936 INFO L290 TraceCheckUtils]: 17: Hoare triple {55344#(< (mod (+ 56 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {55340#(< (mod (+ main_~z~0 55) 4294967296) 268435455)} is VALID [2022-04-28 10:31:57,936 INFO L290 TraceCheckUtils]: 16: Hoare triple {55348#(< (mod (+ 57 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {55344#(< (mod (+ 56 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:31:57,937 INFO L290 TraceCheckUtils]: 15: Hoare triple {55352#(< (mod (+ main_~z~0 58) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {55348#(< (mod (+ 57 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:31:57,937 INFO L290 TraceCheckUtils]: 14: Hoare triple {55356#(< (mod (+ 59 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {55352#(< (mod (+ main_~z~0 58) 4294967296) 268435455)} is VALID [2022-04-28 10:31:57,938 INFO L290 TraceCheckUtils]: 13: Hoare triple {55360#(< (mod (+ main_~z~0 60) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {55356#(< (mod (+ 59 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:31:57,939 INFO L290 TraceCheckUtils]: 12: Hoare triple {55364#(< (mod (+ main_~z~0 61) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {55360#(< (mod (+ main_~z~0 60) 4294967296) 268435455)} is VALID [2022-04-28 10:31:57,939 INFO L290 TraceCheckUtils]: 11: Hoare triple {55368#(< (mod (+ main_~z~0 62) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {55364#(< (mod (+ main_~z~0 61) 4294967296) 268435455)} is VALID [2022-04-28 10:31:57,940 INFO L290 TraceCheckUtils]: 10: Hoare triple {55372#(< (mod (+ main_~z~0 63) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {55368#(< (mod (+ main_~z~0 62) 4294967296) 268435455)} is VALID [2022-04-28 10:31:57,940 INFO L290 TraceCheckUtils]: 9: Hoare triple {55376#(< (mod (+ 64 main_~z~0) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {55372#(< (mod (+ main_~z~0 63) 4294967296) 268435455)} is VALID [2022-04-28 10:31:57,941 INFO L290 TraceCheckUtils]: 8: Hoare triple {55380#(< (mod (+ main_~z~0 65) 4294967296) 268435455)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {55376#(< (mod (+ 64 main_~z~0) 4294967296) 268435455)} is VALID [2022-04-28 10:31:57,941 INFO L290 TraceCheckUtils]: 7: Hoare triple {54801#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {55380#(< (mod (+ main_~z~0 65) 4294967296) 268435455)} is VALID [2022-04-28 10:31:57,941 INFO L290 TraceCheckUtils]: 6: Hoare triple {54801#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {54801#true} is VALID [2022-04-28 10:31:57,941 INFO L290 TraceCheckUtils]: 5: Hoare triple {54801#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {54801#true} is VALID [2022-04-28 10:31:57,941 INFO L272 TraceCheckUtils]: 4: Hoare triple {54801#true} call #t~ret7 := main(); {54801#true} is VALID [2022-04-28 10:31:57,941 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {54801#true} {54801#true} #63#return; {54801#true} is VALID [2022-04-28 10:31:57,942 INFO L290 TraceCheckUtils]: 2: Hoare triple {54801#true} assume true; {54801#true} is VALID [2022-04-28 10:31:57,942 INFO L290 TraceCheckUtils]: 1: Hoare triple {54801#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {54801#true} is VALID [2022-04-28 10:31:57,942 INFO L272 TraceCheckUtils]: 0: Hoare triple {54801#true} call ULTIMATE.init(); {54801#true} is VALID [2022-04-28 10:31:57,942 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:31:57,942 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [825717326] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-28 10:31:57,942 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-28 10:31:57,942 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [69, 68, 68] total 136 [2022-04-28 10:31:57,942 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-28 10:31:57,943 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1057097730] [2022-04-28 10:31:57,943 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1057097730] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-28 10:31:57,943 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-28 10:31:57,943 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [69] imperfect sequences [] total 69 [2022-04-28 10:31:57,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776992469] [2022-04-28 10:31:57,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-28 10:31:57,943 INFO L78 Accepts]: Start accepts. Automaton has has 69 states, 69 states have (on average 1.0724637681159421) internal successors, (74), 68 states have internal predecessors, (74), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 78 [2022-04-28 10:31:57,943 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-28 10:31:57,943 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 69 states, 69 states have (on average 1.0724637681159421) internal successors, (74), 68 states have internal predecessors, (74), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:31:57,981 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 78 edges. 78 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:31:57,981 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 69 states [2022-04-28 10:31:57,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-28 10:31:57,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2022-04-28 10:31:57,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4757, Invalid=13603, Unknown=0, NotChecked=0, Total=18360 [2022-04-28 10:31:57,983 INFO L87 Difference]: Start difference. First operand 87 states and 91 transitions. Second operand has 69 states, 69 states have (on average 1.0724637681159421) internal successors, (74), 68 states have internal predecessors, (74), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:32:06,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:32:06,790 INFO L93 Difference]: Finished difference Result 169 states and 178 transitions. [2022-04-28 10:32:06,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2022-04-28 10:32:06,790 INFO L78 Accepts]: Start accepts. Automaton has has 69 states, 69 states have (on average 1.0724637681159421) internal successors, (74), 68 states have internal predecessors, (74), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 78 [2022-04-28 10:32:06,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-28 10:32:06,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 69 states have (on average 1.0724637681159421) internal successors, (74), 68 states have internal predecessors, (74), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:32:06,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 111 transitions. [2022-04-28 10:32:06,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 69 states have (on average 1.0724637681159421) internal successors, (74), 68 states have internal predecessors, (74), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:32:06,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 111 transitions. [2022-04-28 10:32:06,792 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 69 states and 111 transitions. [2022-04-28 10:32:06,863 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 111 edges. 111 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:32:06,864 INFO L225 Difference]: With dead ends: 169 [2022-04-28 10:32:06,864 INFO L226 Difference]: Without dead ends: 89 [2022-04-28 10:32:06,866 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 92 SyntacticMatches, 1 SemanticMatches, 200 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2281 ImplicationChecksByTransitivity, 9.3s TimeCoverageRelationStatistics Valid=9507, Invalid=31095, Unknown=0, NotChecked=0, Total=40602 [2022-04-28 10:32:06,866 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 17 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 5309 mSolverCounterSat, 137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 5446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 5309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-04-28 10:32:06,866 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 318 Invalid, 5446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [137 Valid, 5309 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-04-28 10:32:06,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2022-04-28 10:32:06,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 88. [2022-04-28 10:32:06,947 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-28 10:32:06,947 INFO L82 GeneralOperation]: Start isEquivalent. First operand 89 states. Second operand has 88 states, 80 states have (on average 1.05) internal successors, (84), 81 states have internal predecessors, (84), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:32:06,947 INFO L74 IsIncluded]: Start isIncluded. First operand 89 states. Second operand has 88 states, 80 states have (on average 1.05) internal successors, (84), 81 states have internal predecessors, (84), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:32:06,948 INFO L87 Difference]: Start difference. First operand 89 states. Second operand has 88 states, 80 states have (on average 1.05) internal successors, (84), 81 states have internal predecessors, (84), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:32:06,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:32:06,948 INFO L93 Difference]: Finished difference Result 89 states and 93 transitions. [2022-04-28 10:32:06,948 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 93 transitions. [2022-04-28 10:32:06,948 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:32:06,948 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:32:06,949 INFO L74 IsIncluded]: Start isIncluded. First operand has 88 states, 80 states have (on average 1.05) internal successors, (84), 81 states have internal predecessors, (84), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 89 states. [2022-04-28 10:32:06,949 INFO L87 Difference]: Start difference. First operand has 88 states, 80 states have (on average 1.05) internal successors, (84), 81 states have internal predecessors, (84), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 89 states. [2022-04-28 10:32:06,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-28 10:32:06,949 INFO L93 Difference]: Finished difference Result 89 states and 93 transitions. [2022-04-28 10:32:06,949 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 93 transitions. [2022-04-28 10:32:06,949 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-28 10:32:06,950 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-28 10:32:06,950 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-28 10:32:06,950 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-28 10:32:06,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 80 states have (on average 1.05) internal successors, (84), 81 states have internal predecessors, (84), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-28 10:32:06,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 92 transitions. [2022-04-28 10:32:06,950 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 92 transitions. Word has length 78 [2022-04-28 10:32:06,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-28 10:32:06,951 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 92 transitions. [2022-04-28 10:32:06,951 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 69 states, 69 states have (on average 1.0724637681159421) internal successors, (74), 68 states have internal predecessors, (74), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-28 10:32:06,951 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 88 states and 92 transitions. [2022-04-28 10:32:07,029 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 92 edges. 92 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-28 10:32:07,029 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 92 transitions. [2022-04-28 10:32:07,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-04-28 10:32:07,030 INFO L187 NwaCegarLoop]: Found error trace [2022-04-28 10:32:07,030 INFO L195 NwaCegarLoop]: trace histogram [66, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-28 10:32:07,048 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (66)] Forceful destruction successful, exit code 0 [2022-04-28 10:32:07,242 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 66 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable68 [2022-04-28 10:32:07,242 INFO L420 AbstractCegarLoop]: === Iteration 70 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-28 10:32:07,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-28 10:32:07,242 INFO L85 PathProgramCache]: Analyzing trace with hash -1485314238, now seen corresponding path program 131 times [2022-04-28 10:32:07,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-28 10:32:07,242 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1649834891] [2022-04-28 10:32:07,244 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-28 10:32:07,244 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-28 10:32:07,245 INFO L85 PathProgramCache]: Analyzing trace with hash -1485314238, now seen corresponding path program 132 times [2022-04-28 10:32:07,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-28 10:32:07,245 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102295561] [2022-04-28 10:32:07,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-28 10:32:07,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-28 10:32:07,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:32:09,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-28 10:32:09,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:32:09,178 INFO L290 TraceCheckUtils]: 0: Hoare triple {56304#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {56232#true} is VALID [2022-04-28 10:32:09,178 INFO L290 TraceCheckUtils]: 1: Hoare triple {56232#true} assume true; {56232#true} is VALID [2022-04-28 10:32:09,178 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {56232#true} {56232#true} #63#return; {56232#true} is VALID [2022-04-28 10:32:09,179 INFO L272 TraceCheckUtils]: 0: Hoare triple {56232#true} call ULTIMATE.init(); {56304#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-28 10:32:09,179 INFO L290 TraceCheckUtils]: 1: Hoare triple {56304#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {56232#true} is VALID [2022-04-28 10:32:09,179 INFO L290 TraceCheckUtils]: 2: Hoare triple {56232#true} assume true; {56232#true} is VALID [2022-04-28 10:32:09,179 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {56232#true} {56232#true} #63#return; {56232#true} is VALID [2022-04-28 10:32:09,179 INFO L272 TraceCheckUtils]: 4: Hoare triple {56232#true} call #t~ret7 := main(); {56232#true} is VALID [2022-04-28 10:32:09,179 INFO L290 TraceCheckUtils]: 5: Hoare triple {56232#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {56232#true} is VALID [2022-04-28 10:32:09,179 INFO L290 TraceCheckUtils]: 6: Hoare triple {56232#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {56232#true} is VALID [2022-04-28 10:32:09,179 INFO L290 TraceCheckUtils]: 7: Hoare triple {56232#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {56237#(= main_~z~0 0)} is VALID [2022-04-28 10:32:09,180 INFO L290 TraceCheckUtils]: 8: Hoare triple {56237#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56238#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:32:09,180 INFO L290 TraceCheckUtils]: 9: Hoare triple {56238#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56239#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:32:09,181 INFO L290 TraceCheckUtils]: 10: Hoare triple {56239#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56240#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:32:09,181 INFO L290 TraceCheckUtils]: 11: Hoare triple {56240#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56241#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:32:09,182 INFO L290 TraceCheckUtils]: 12: Hoare triple {56241#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56242#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:32:09,182 INFO L290 TraceCheckUtils]: 13: Hoare triple {56242#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56243#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:32:09,183 INFO L290 TraceCheckUtils]: 14: Hoare triple {56243#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56244#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:32:09,183 INFO L290 TraceCheckUtils]: 15: Hoare triple {56244#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56245#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:32:09,183 INFO L290 TraceCheckUtils]: 16: Hoare triple {56245#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56246#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:32:09,184 INFO L290 TraceCheckUtils]: 17: Hoare triple {56246#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56247#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:32:09,184 INFO L290 TraceCheckUtils]: 18: Hoare triple {56247#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56248#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:32:09,185 INFO L290 TraceCheckUtils]: 19: Hoare triple {56248#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56249#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:32:09,185 INFO L290 TraceCheckUtils]: 20: Hoare triple {56249#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56250#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:32:09,186 INFO L290 TraceCheckUtils]: 21: Hoare triple {56250#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56251#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:32:09,186 INFO L290 TraceCheckUtils]: 22: Hoare triple {56251#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56252#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:32:09,187 INFO L290 TraceCheckUtils]: 23: Hoare triple {56252#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56253#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:32:09,187 INFO L290 TraceCheckUtils]: 24: Hoare triple {56253#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56254#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:32:09,188 INFO L290 TraceCheckUtils]: 25: Hoare triple {56254#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56255#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:32:09,188 INFO L290 TraceCheckUtils]: 26: Hoare triple {56255#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56256#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:32:09,188 INFO L290 TraceCheckUtils]: 27: Hoare triple {56256#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56257#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 10:32:09,189 INFO L290 TraceCheckUtils]: 28: Hoare triple {56257#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56258#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 10:32:09,189 INFO L290 TraceCheckUtils]: 29: Hoare triple {56258#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56259#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 10:32:09,190 INFO L290 TraceCheckUtils]: 30: Hoare triple {56259#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56260#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 10:32:09,190 INFO L290 TraceCheckUtils]: 31: Hoare triple {56260#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56261#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 10:32:09,191 INFO L290 TraceCheckUtils]: 32: Hoare triple {56261#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56262#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 10:32:09,191 INFO L290 TraceCheckUtils]: 33: Hoare triple {56262#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56263#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 10:32:09,192 INFO L290 TraceCheckUtils]: 34: Hoare triple {56263#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56264#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 10:32:09,192 INFO L290 TraceCheckUtils]: 35: Hoare triple {56264#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56265#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 10:32:09,192 INFO L290 TraceCheckUtils]: 36: Hoare triple {56265#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56266#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 10:32:09,193 INFO L290 TraceCheckUtils]: 37: Hoare triple {56266#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56267#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 10:32:09,193 INFO L290 TraceCheckUtils]: 38: Hoare triple {56267#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56268#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 10:32:09,194 INFO L290 TraceCheckUtils]: 39: Hoare triple {56268#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56269#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 10:32:09,194 INFO L290 TraceCheckUtils]: 40: Hoare triple {56269#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56270#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 10:32:09,195 INFO L290 TraceCheckUtils]: 41: Hoare triple {56270#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56271#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 10:32:09,195 INFO L290 TraceCheckUtils]: 42: Hoare triple {56271#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56272#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 10:32:09,196 INFO L290 TraceCheckUtils]: 43: Hoare triple {56272#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56273#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 10:32:09,196 INFO L290 TraceCheckUtils]: 44: Hoare triple {56273#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56274#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 10:32:09,197 INFO L290 TraceCheckUtils]: 45: Hoare triple {56274#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56275#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 10:32:09,197 INFO L290 TraceCheckUtils]: 46: Hoare triple {56275#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56276#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 10:32:09,197 INFO L290 TraceCheckUtils]: 47: Hoare triple {56276#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56277#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 10:32:09,198 INFO L290 TraceCheckUtils]: 48: Hoare triple {56277#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56278#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 10:32:09,198 INFO L290 TraceCheckUtils]: 49: Hoare triple {56278#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56279#(and (<= 42 main_~z~0) (<= main_~z~0 42))} is VALID [2022-04-28 10:32:09,199 INFO L290 TraceCheckUtils]: 50: Hoare triple {56279#(and (<= 42 main_~z~0) (<= main_~z~0 42))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56280#(and (<= main_~z~0 43) (<= 43 main_~z~0))} is VALID [2022-04-28 10:32:09,199 INFO L290 TraceCheckUtils]: 51: Hoare triple {56280#(and (<= main_~z~0 43) (<= 43 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56281#(and (<= main_~z~0 44) (<= 44 main_~z~0))} is VALID [2022-04-28 10:32:09,200 INFO L290 TraceCheckUtils]: 52: Hoare triple {56281#(and (<= main_~z~0 44) (<= 44 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56282#(and (<= main_~z~0 45) (<= 45 main_~z~0))} is VALID [2022-04-28 10:32:09,200 INFO L290 TraceCheckUtils]: 53: Hoare triple {56282#(and (<= main_~z~0 45) (<= 45 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56283#(and (<= 46 main_~z~0) (<= main_~z~0 46))} is VALID [2022-04-28 10:32:09,201 INFO L290 TraceCheckUtils]: 54: Hoare triple {56283#(and (<= 46 main_~z~0) (<= main_~z~0 46))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56284#(and (<= main_~z~0 47) (<= 47 main_~z~0))} is VALID [2022-04-28 10:32:09,201 INFO L290 TraceCheckUtils]: 55: Hoare triple {56284#(and (<= main_~z~0 47) (<= 47 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56285#(and (<= 48 main_~z~0) (<= main_~z~0 48))} is VALID [2022-04-28 10:32:09,201 INFO L290 TraceCheckUtils]: 56: Hoare triple {56285#(and (<= 48 main_~z~0) (<= main_~z~0 48))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56286#(and (<= 49 main_~z~0) (<= main_~z~0 49))} is VALID [2022-04-28 10:32:09,202 INFO L290 TraceCheckUtils]: 57: Hoare triple {56286#(and (<= 49 main_~z~0) (<= main_~z~0 49))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56287#(and (<= 50 main_~z~0) (<= main_~z~0 50))} is VALID [2022-04-28 10:32:09,202 INFO L290 TraceCheckUtils]: 58: Hoare triple {56287#(and (<= 50 main_~z~0) (<= main_~z~0 50))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56288#(and (<= main_~z~0 51) (<= 51 main_~z~0))} is VALID [2022-04-28 10:32:09,203 INFO L290 TraceCheckUtils]: 59: Hoare triple {56288#(and (<= main_~z~0 51) (<= 51 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56289#(and (<= 52 main_~z~0) (<= main_~z~0 52))} is VALID [2022-04-28 10:32:09,203 INFO L290 TraceCheckUtils]: 60: Hoare triple {56289#(and (<= 52 main_~z~0) (<= main_~z~0 52))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56290#(and (<= 53 main_~z~0) (<= main_~z~0 53))} is VALID [2022-04-28 10:32:09,204 INFO L290 TraceCheckUtils]: 61: Hoare triple {56290#(and (<= 53 main_~z~0) (<= main_~z~0 53))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56291#(and (<= main_~z~0 54) (<= 54 main_~z~0))} is VALID [2022-04-28 10:32:09,204 INFO L290 TraceCheckUtils]: 62: Hoare triple {56291#(and (<= main_~z~0 54) (<= 54 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56292#(and (<= 55 main_~z~0) (<= main_~z~0 55))} is VALID [2022-04-28 10:32:09,205 INFO L290 TraceCheckUtils]: 63: Hoare triple {56292#(and (<= 55 main_~z~0) (<= main_~z~0 55))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56293#(and (<= 56 main_~z~0) (<= main_~z~0 56))} is VALID [2022-04-28 10:32:09,205 INFO L290 TraceCheckUtils]: 64: Hoare triple {56293#(and (<= 56 main_~z~0) (<= main_~z~0 56))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56294#(and (<= main_~z~0 57) (<= 57 main_~z~0))} is VALID [2022-04-28 10:32:09,205 INFO L290 TraceCheckUtils]: 65: Hoare triple {56294#(and (<= main_~z~0 57) (<= 57 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56295#(and (<= 58 main_~z~0) (<= main_~z~0 58))} is VALID [2022-04-28 10:32:09,206 INFO L290 TraceCheckUtils]: 66: Hoare triple {56295#(and (<= 58 main_~z~0) (<= main_~z~0 58))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56296#(and (<= main_~z~0 59) (<= 59 main_~z~0))} is VALID [2022-04-28 10:32:09,206 INFO L290 TraceCheckUtils]: 67: Hoare triple {56296#(and (<= main_~z~0 59) (<= 59 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56297#(and (<= main_~z~0 60) (<= 60 main_~z~0))} is VALID [2022-04-28 10:32:09,207 INFO L290 TraceCheckUtils]: 68: Hoare triple {56297#(and (<= main_~z~0 60) (<= 60 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56298#(and (<= 61 main_~z~0) (<= main_~z~0 61))} is VALID [2022-04-28 10:32:09,207 INFO L290 TraceCheckUtils]: 69: Hoare triple {56298#(and (<= 61 main_~z~0) (<= main_~z~0 61))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56299#(and (<= 62 main_~z~0) (<= main_~z~0 62))} is VALID [2022-04-28 10:32:09,208 INFO L290 TraceCheckUtils]: 70: Hoare triple {56299#(and (<= 62 main_~z~0) (<= main_~z~0 62))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56300#(and (<= 63 main_~z~0) (<= main_~z~0 63))} is VALID [2022-04-28 10:32:09,208 INFO L290 TraceCheckUtils]: 71: Hoare triple {56300#(and (<= 63 main_~z~0) (<= main_~z~0 63))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56301#(and (<= main_~z~0 64) (<= 64 main_~z~0))} is VALID [2022-04-28 10:32:09,209 INFO L290 TraceCheckUtils]: 72: Hoare triple {56301#(and (<= main_~z~0 64) (<= 64 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56302#(and (<= 65 main_~z~0) (<= main_~z~0 65))} is VALID [2022-04-28 10:32:09,209 INFO L290 TraceCheckUtils]: 73: Hoare triple {56302#(and (<= 65 main_~z~0) (<= main_~z~0 65))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56303#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 66))} is VALID [2022-04-28 10:32:09,210 INFO L290 TraceCheckUtils]: 74: Hoare triple {56303#(and (not (<= (+ (div main_~z~0 4294967296) 1) 0)) (<= main_~z~0 66))} assume !(~z~0 % 4294967296 < 268435455); {56233#false} is VALID [2022-04-28 10:32:09,210 INFO L272 TraceCheckUtils]: 75: Hoare triple {56233#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {56233#false} is VALID [2022-04-28 10:32:09,210 INFO L290 TraceCheckUtils]: 76: Hoare triple {56233#false} ~cond := #in~cond; {56233#false} is VALID [2022-04-28 10:32:09,210 INFO L290 TraceCheckUtils]: 77: Hoare triple {56233#false} assume 0 == ~cond; {56233#false} is VALID [2022-04-28 10:32:09,210 INFO L290 TraceCheckUtils]: 78: Hoare triple {56233#false} assume !false; {56233#false} is VALID [2022-04-28 10:32:09,210 INFO L134 CoverageAnalysis]: Checked inductivity of 2211 backedges. 0 proven. 2211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:32:09,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-28 10:32:09,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102295561] [2022-04-28 10:32:09,210 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102295561] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-28 10:32:09,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1464845829] [2022-04-28 10:32:09,210 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-04-28 10:32:09,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-28 10:32:09,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-28 10:32:09,211 INFO L229 MonitoredProcess]: Starting monitored process 67 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-04-28 10:32:09,212 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (67)] Waiting until timeout for monitored process [2022-04-28 10:33:38,355 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 34 check-sat command(s) [2022-04-28 10:33:38,355 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-28 10:33:38,386 WARN L261 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 150 conjunts are in the unsatisfiable core [2022-04-28 10:33:38,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-28 10:33:38,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-28 10:33:39,051 INFO L272 TraceCheckUtils]: 0: Hoare triple {56232#true} call ULTIMATE.init(); {56232#true} is VALID [2022-04-28 10:33:39,051 INFO L290 TraceCheckUtils]: 1: Hoare triple {56232#true} #NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);call #Ultimate.allocInit(12, 3); {56232#true} is VALID [2022-04-28 10:33:39,052 INFO L290 TraceCheckUtils]: 2: Hoare triple {56232#true} assume true; {56232#true} is VALID [2022-04-28 10:33:39,052 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {56232#true} {56232#true} #63#return; {56232#true} is VALID [2022-04-28 10:33:39,052 INFO L272 TraceCheckUtils]: 4: Hoare triple {56232#true} call #t~ret7 := main(); {56232#true} is VALID [2022-04-28 10:33:39,052 INFO L290 TraceCheckUtils]: 5: Hoare triple {56232#true} ~x~0 := 0;~y~0 := 0;~z~0 := 0;~w~0 := 0; {56232#true} is VALID [2022-04-28 10:33:39,052 INFO L290 TraceCheckUtils]: 6: Hoare triple {56232#true} assume !!(~x~0 % 4294967296 < 268435455);~y~0 := 0; {56232#true} is VALID [2022-04-28 10:33:39,052 INFO L290 TraceCheckUtils]: 7: Hoare triple {56232#true} assume !!(~y~0 % 4294967296 < 268435455);~z~0 := 0; {56237#(= main_~z~0 0)} is VALID [2022-04-28 10:33:39,052 INFO L290 TraceCheckUtils]: 8: Hoare triple {56237#(= main_~z~0 0)} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56238#(and (<= main_~z~0 1) (<= 1 main_~z~0))} is VALID [2022-04-28 10:33:39,053 INFO L290 TraceCheckUtils]: 9: Hoare triple {56238#(and (<= main_~z~0 1) (<= 1 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56239#(and (<= main_~z~0 2) (<= 2 main_~z~0))} is VALID [2022-04-28 10:33:39,053 INFO L290 TraceCheckUtils]: 10: Hoare triple {56239#(and (<= main_~z~0 2) (<= 2 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56240#(and (<= main_~z~0 3) (<= 3 main_~z~0))} is VALID [2022-04-28 10:33:39,054 INFO L290 TraceCheckUtils]: 11: Hoare triple {56240#(and (<= main_~z~0 3) (<= 3 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56241#(and (<= 4 main_~z~0) (<= main_~z~0 4))} is VALID [2022-04-28 10:33:39,054 INFO L290 TraceCheckUtils]: 12: Hoare triple {56241#(and (<= 4 main_~z~0) (<= main_~z~0 4))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56242#(and (<= main_~z~0 5) (<= 5 main_~z~0))} is VALID [2022-04-28 10:33:39,055 INFO L290 TraceCheckUtils]: 13: Hoare triple {56242#(and (<= main_~z~0 5) (<= 5 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56243#(and (<= main_~z~0 6) (<= 6 main_~z~0))} is VALID [2022-04-28 10:33:39,055 INFO L290 TraceCheckUtils]: 14: Hoare triple {56243#(and (<= main_~z~0 6) (<= 6 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56244#(and (<= main_~z~0 7) (<= 7 main_~z~0))} is VALID [2022-04-28 10:33:39,056 INFO L290 TraceCheckUtils]: 15: Hoare triple {56244#(and (<= main_~z~0 7) (<= 7 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56245#(and (<= 8 main_~z~0) (<= main_~z~0 8))} is VALID [2022-04-28 10:33:39,056 INFO L290 TraceCheckUtils]: 16: Hoare triple {56245#(and (<= 8 main_~z~0) (<= main_~z~0 8))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56246#(and (<= 9 main_~z~0) (<= main_~z~0 9))} is VALID [2022-04-28 10:33:39,056 INFO L290 TraceCheckUtils]: 17: Hoare triple {56246#(and (<= 9 main_~z~0) (<= main_~z~0 9))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56247#(and (<= main_~z~0 10) (<= 10 main_~z~0))} is VALID [2022-04-28 10:33:39,057 INFO L290 TraceCheckUtils]: 18: Hoare triple {56247#(and (<= main_~z~0 10) (<= 10 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56248#(and (<= main_~z~0 11) (<= 11 main_~z~0))} is VALID [2022-04-28 10:33:39,057 INFO L290 TraceCheckUtils]: 19: Hoare triple {56248#(and (<= main_~z~0 11) (<= 11 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56249#(and (<= main_~z~0 12) (<= 12 main_~z~0))} is VALID [2022-04-28 10:33:39,058 INFO L290 TraceCheckUtils]: 20: Hoare triple {56249#(and (<= main_~z~0 12) (<= 12 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56250#(and (<= 13 main_~z~0) (<= main_~z~0 13))} is VALID [2022-04-28 10:33:39,058 INFO L290 TraceCheckUtils]: 21: Hoare triple {56250#(and (<= 13 main_~z~0) (<= main_~z~0 13))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56251#(and (<= 14 main_~z~0) (<= main_~z~0 14))} is VALID [2022-04-28 10:33:39,059 INFO L290 TraceCheckUtils]: 22: Hoare triple {56251#(and (<= 14 main_~z~0) (<= main_~z~0 14))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56252#(and (<= main_~z~0 15) (<= 15 main_~z~0))} is VALID [2022-04-28 10:33:39,059 INFO L290 TraceCheckUtils]: 23: Hoare triple {56252#(and (<= main_~z~0 15) (<= 15 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56253#(and (<= 16 main_~z~0) (<= main_~z~0 16))} is VALID [2022-04-28 10:33:39,060 INFO L290 TraceCheckUtils]: 24: Hoare triple {56253#(and (<= 16 main_~z~0) (<= main_~z~0 16))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56254#(and (<= 17 main_~z~0) (<= main_~z~0 17))} is VALID [2022-04-28 10:33:39,060 INFO L290 TraceCheckUtils]: 25: Hoare triple {56254#(and (<= 17 main_~z~0) (<= main_~z~0 17))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56255#(and (<= 18 main_~z~0) (<= main_~z~0 18))} is VALID [2022-04-28 10:33:39,061 INFO L290 TraceCheckUtils]: 26: Hoare triple {56255#(and (<= 18 main_~z~0) (<= main_~z~0 18))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56256#(and (<= 19 main_~z~0) (<= main_~z~0 19))} is VALID [2022-04-28 10:33:39,061 INFO L290 TraceCheckUtils]: 27: Hoare triple {56256#(and (<= 19 main_~z~0) (<= main_~z~0 19))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56257#(and (<= main_~z~0 20) (<= 20 main_~z~0))} is VALID [2022-04-28 10:33:39,061 INFO L290 TraceCheckUtils]: 28: Hoare triple {56257#(and (<= main_~z~0 20) (<= 20 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56258#(and (<= main_~z~0 21) (<= 21 main_~z~0))} is VALID [2022-04-28 10:33:39,062 INFO L290 TraceCheckUtils]: 29: Hoare triple {56258#(and (<= main_~z~0 21) (<= 21 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56259#(and (<= 22 main_~z~0) (<= main_~z~0 22))} is VALID [2022-04-28 10:33:39,062 INFO L290 TraceCheckUtils]: 30: Hoare triple {56259#(and (<= 22 main_~z~0) (<= main_~z~0 22))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56260#(and (<= 23 main_~z~0) (<= main_~z~0 23))} is VALID [2022-04-28 10:33:39,063 INFO L290 TraceCheckUtils]: 31: Hoare triple {56260#(and (<= 23 main_~z~0) (<= main_~z~0 23))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56261#(and (<= main_~z~0 24) (<= 24 main_~z~0))} is VALID [2022-04-28 10:33:39,063 INFO L290 TraceCheckUtils]: 32: Hoare triple {56261#(and (<= main_~z~0 24) (<= 24 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56262#(and (<= 25 main_~z~0) (<= main_~z~0 25))} is VALID [2022-04-28 10:33:39,064 INFO L290 TraceCheckUtils]: 33: Hoare triple {56262#(and (<= 25 main_~z~0) (<= main_~z~0 25))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56263#(and (<= main_~z~0 26) (<= 26 main_~z~0))} is VALID [2022-04-28 10:33:39,064 INFO L290 TraceCheckUtils]: 34: Hoare triple {56263#(and (<= main_~z~0 26) (<= 26 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56264#(and (<= main_~z~0 27) (<= 27 main_~z~0))} is VALID [2022-04-28 10:33:39,065 INFO L290 TraceCheckUtils]: 35: Hoare triple {56264#(and (<= main_~z~0 27) (<= 27 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56265#(and (<= 28 main_~z~0) (<= main_~z~0 28))} is VALID [2022-04-28 10:33:39,065 INFO L290 TraceCheckUtils]: 36: Hoare triple {56265#(and (<= 28 main_~z~0) (<= main_~z~0 28))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56266#(and (<= main_~z~0 29) (<= 29 main_~z~0))} is VALID [2022-04-28 10:33:39,065 INFO L290 TraceCheckUtils]: 37: Hoare triple {56266#(and (<= main_~z~0 29) (<= 29 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56267#(and (<= 30 main_~z~0) (<= main_~z~0 30))} is VALID [2022-04-28 10:33:39,066 INFO L290 TraceCheckUtils]: 38: Hoare triple {56267#(and (<= 30 main_~z~0) (<= main_~z~0 30))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56268#(and (<= 31 main_~z~0) (<= main_~z~0 31))} is VALID [2022-04-28 10:33:39,066 INFO L290 TraceCheckUtils]: 39: Hoare triple {56268#(and (<= 31 main_~z~0) (<= main_~z~0 31))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56269#(and (<= 32 main_~z~0) (<= main_~z~0 32))} is VALID [2022-04-28 10:33:39,067 INFO L290 TraceCheckUtils]: 40: Hoare triple {56269#(and (<= 32 main_~z~0) (<= main_~z~0 32))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56270#(and (<= 33 main_~z~0) (<= main_~z~0 33))} is VALID [2022-04-28 10:33:39,067 INFO L290 TraceCheckUtils]: 41: Hoare triple {56270#(and (<= 33 main_~z~0) (<= main_~z~0 33))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56271#(and (<= main_~z~0 34) (<= 34 main_~z~0))} is VALID [2022-04-28 10:33:39,068 INFO L290 TraceCheckUtils]: 42: Hoare triple {56271#(and (<= main_~z~0 34) (<= 34 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56272#(and (<= main_~z~0 35) (<= 35 main_~z~0))} is VALID [2022-04-28 10:33:39,068 INFO L290 TraceCheckUtils]: 43: Hoare triple {56272#(and (<= main_~z~0 35) (<= 35 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56273#(and (<= 36 main_~z~0) (<= main_~z~0 36))} is VALID [2022-04-28 10:33:39,069 INFO L290 TraceCheckUtils]: 44: Hoare triple {56273#(and (<= 36 main_~z~0) (<= main_~z~0 36))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56274#(and (<= 37 main_~z~0) (<= main_~z~0 37))} is VALID [2022-04-28 10:33:39,069 INFO L290 TraceCheckUtils]: 45: Hoare triple {56274#(and (<= 37 main_~z~0) (<= main_~z~0 37))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56275#(and (<= main_~z~0 38) (<= 38 main_~z~0))} is VALID [2022-04-28 10:33:39,070 INFO L290 TraceCheckUtils]: 46: Hoare triple {56275#(and (<= main_~z~0 38) (<= 38 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56276#(and (<= main_~z~0 39) (<= 39 main_~z~0))} is VALID [2022-04-28 10:33:39,070 INFO L290 TraceCheckUtils]: 47: Hoare triple {56276#(and (<= main_~z~0 39) (<= 39 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56277#(and (<= main_~z~0 40) (<= 40 main_~z~0))} is VALID [2022-04-28 10:33:39,070 INFO L290 TraceCheckUtils]: 48: Hoare triple {56277#(and (<= main_~z~0 40) (<= 40 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56278#(and (<= main_~z~0 41) (<= 41 main_~z~0))} is VALID [2022-04-28 10:33:39,071 INFO L290 TraceCheckUtils]: 49: Hoare triple {56278#(and (<= main_~z~0 41) (<= 41 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56279#(and (<= 42 main_~z~0) (<= main_~z~0 42))} is VALID [2022-04-28 10:33:39,071 INFO L290 TraceCheckUtils]: 50: Hoare triple {56279#(and (<= 42 main_~z~0) (<= main_~z~0 42))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56280#(and (<= main_~z~0 43) (<= 43 main_~z~0))} is VALID [2022-04-28 10:33:39,072 INFO L290 TraceCheckUtils]: 51: Hoare triple {56280#(and (<= main_~z~0 43) (<= 43 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56281#(and (<= main_~z~0 44) (<= 44 main_~z~0))} is VALID [2022-04-28 10:33:39,072 INFO L290 TraceCheckUtils]: 52: Hoare triple {56281#(and (<= main_~z~0 44) (<= 44 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56282#(and (<= main_~z~0 45) (<= 45 main_~z~0))} is VALID [2022-04-28 10:33:39,073 INFO L290 TraceCheckUtils]: 53: Hoare triple {56282#(and (<= main_~z~0 45) (<= 45 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56283#(and (<= 46 main_~z~0) (<= main_~z~0 46))} is VALID [2022-04-28 10:33:39,073 INFO L290 TraceCheckUtils]: 54: Hoare triple {56283#(and (<= 46 main_~z~0) (<= main_~z~0 46))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56284#(and (<= main_~z~0 47) (<= 47 main_~z~0))} is VALID [2022-04-28 10:33:39,074 INFO L290 TraceCheckUtils]: 55: Hoare triple {56284#(and (<= main_~z~0 47) (<= 47 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56285#(and (<= 48 main_~z~0) (<= main_~z~0 48))} is VALID [2022-04-28 10:33:39,074 INFO L290 TraceCheckUtils]: 56: Hoare triple {56285#(and (<= 48 main_~z~0) (<= main_~z~0 48))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56286#(and (<= 49 main_~z~0) (<= main_~z~0 49))} is VALID [2022-04-28 10:33:39,074 INFO L290 TraceCheckUtils]: 57: Hoare triple {56286#(and (<= 49 main_~z~0) (<= main_~z~0 49))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56287#(and (<= 50 main_~z~0) (<= main_~z~0 50))} is VALID [2022-04-28 10:33:39,075 INFO L290 TraceCheckUtils]: 58: Hoare triple {56287#(and (<= 50 main_~z~0) (<= main_~z~0 50))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56288#(and (<= main_~z~0 51) (<= 51 main_~z~0))} is VALID [2022-04-28 10:33:39,075 INFO L290 TraceCheckUtils]: 59: Hoare triple {56288#(and (<= main_~z~0 51) (<= 51 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56289#(and (<= 52 main_~z~0) (<= main_~z~0 52))} is VALID [2022-04-28 10:33:39,076 INFO L290 TraceCheckUtils]: 60: Hoare triple {56289#(and (<= 52 main_~z~0) (<= main_~z~0 52))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56290#(and (<= 53 main_~z~0) (<= main_~z~0 53))} is VALID [2022-04-28 10:33:39,076 INFO L290 TraceCheckUtils]: 61: Hoare triple {56290#(and (<= 53 main_~z~0) (<= main_~z~0 53))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56291#(and (<= main_~z~0 54) (<= 54 main_~z~0))} is VALID [2022-04-28 10:33:39,077 INFO L290 TraceCheckUtils]: 62: Hoare triple {56291#(and (<= main_~z~0 54) (<= 54 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56292#(and (<= 55 main_~z~0) (<= main_~z~0 55))} is VALID [2022-04-28 10:33:39,077 INFO L290 TraceCheckUtils]: 63: Hoare triple {56292#(and (<= 55 main_~z~0) (<= main_~z~0 55))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56293#(and (<= 56 main_~z~0) (<= main_~z~0 56))} is VALID [2022-04-28 10:33:39,078 INFO L290 TraceCheckUtils]: 64: Hoare triple {56293#(and (<= 56 main_~z~0) (<= main_~z~0 56))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56294#(and (<= main_~z~0 57) (<= 57 main_~z~0))} is VALID [2022-04-28 10:33:39,078 INFO L290 TraceCheckUtils]: 65: Hoare triple {56294#(and (<= main_~z~0 57) (<= 57 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56295#(and (<= 58 main_~z~0) (<= main_~z~0 58))} is VALID [2022-04-28 10:33:39,079 INFO L290 TraceCheckUtils]: 66: Hoare triple {56295#(and (<= 58 main_~z~0) (<= main_~z~0 58))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56296#(and (<= main_~z~0 59) (<= 59 main_~z~0))} is VALID [2022-04-28 10:33:39,079 INFO L290 TraceCheckUtils]: 67: Hoare triple {56296#(and (<= main_~z~0 59) (<= 59 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56297#(and (<= main_~z~0 60) (<= 60 main_~z~0))} is VALID [2022-04-28 10:33:39,079 INFO L290 TraceCheckUtils]: 68: Hoare triple {56297#(and (<= main_~z~0 60) (<= 60 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56298#(and (<= 61 main_~z~0) (<= main_~z~0 61))} is VALID [2022-04-28 10:33:39,080 INFO L290 TraceCheckUtils]: 69: Hoare triple {56298#(and (<= 61 main_~z~0) (<= main_~z~0 61))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56299#(and (<= 62 main_~z~0) (<= main_~z~0 62))} is VALID [2022-04-28 10:33:39,080 INFO L290 TraceCheckUtils]: 70: Hoare triple {56299#(and (<= 62 main_~z~0) (<= main_~z~0 62))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56300#(and (<= 63 main_~z~0) (<= main_~z~0 63))} is VALID [2022-04-28 10:33:39,081 INFO L290 TraceCheckUtils]: 71: Hoare triple {56300#(and (<= 63 main_~z~0) (<= main_~z~0 63))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56301#(and (<= main_~z~0 64) (<= 64 main_~z~0))} is VALID [2022-04-28 10:33:39,081 INFO L290 TraceCheckUtils]: 72: Hoare triple {56301#(and (<= main_~z~0 64) (<= 64 main_~z~0))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56302#(and (<= 65 main_~z~0) (<= main_~z~0 65))} is VALID [2022-04-28 10:33:39,082 INFO L290 TraceCheckUtils]: 73: Hoare triple {56302#(and (<= 65 main_~z~0) (<= main_~z~0 65))} assume !!(~z~0 % 4294967296 < 268435455);#t~post4 := ~z~0;~z~0 := 1 + #t~post4;havoc #t~post4; {56527#(and (<= 66 main_~z~0) (<= main_~z~0 66))} is VALID [2022-04-28 10:33:39,082 INFO L290 TraceCheckUtils]: 74: Hoare triple {56527#(and (<= 66 main_~z~0) (<= main_~z~0 66))} assume !(~z~0 % 4294967296 < 268435455); {56233#false} is VALID [2022-04-28 10:33:39,082 INFO L272 TraceCheckUtils]: 75: Hoare triple {56233#false} call __VERIFIER_assert((if 0 == (if ~z~0 % 4294967296 < 0 && 0 != ~z~0 % 4294967296 % 4 then ~z~0 % 4294967296 % 4 - 4 else ~z~0 % 4294967296 % 4) % 4294967296 then 1 else 0)); {56233#false} is VALID [2022-04-28 10:33:39,082 INFO L290 TraceCheckUtils]: 76: Hoare triple {56233#false} ~cond := #in~cond; {56233#false} is VALID [2022-04-28 10:33:39,082 INFO L290 TraceCheckUtils]: 77: Hoare triple {56233#false} assume 0 == ~cond; {56233#false} is VALID [2022-04-28 10:33:39,082 INFO L290 TraceCheckUtils]: 78: Hoare triple {56233#false} assume !false; {56233#false} is VALID [2022-04-28 10:33:39,083 INFO L134 CoverageAnalysis]: Checked inductivity of 2211 backedges. 0 proven. 2211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-28 10:33:39,083 INFO L328 TraceCheckSpWp]: Computing backward predicates...