/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/loop-acceleration/simple_4-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-34549b5 [2022-04-08 09:25:01,080 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-08 09:25:01,082 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-08 09:25:01,105 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-04-08 09:25:01,113 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-08 09:25:01,114 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-08 09:25:01,114 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-08 09:25:01,115 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-08 09:25:01,116 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-08 09:25:01,117 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-08 09:25:01,118 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-08 09:25:01,119 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-08 09:25:01,120 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-08 09:25:01,125 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-08 09:25:01,126 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-08 09:25:01,127 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-08 09:25:01,128 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-08 09:25:01,130 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-04-08 09:25:01,136 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-08 09:25:01,136 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-08 09:25:01,144 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-08 09:25:01,145 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationQvasr_64.epf [2022-04-08 09:25:01,151 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-08 09:25:01,152 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-08 09:25:01,153 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-08 09:25:01,153 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-08 09:25:01,153 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-08 09:25:01,153 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-08 09:25:01,153 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-08 09:25:01,153 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-08 09:25:01,154 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-08 09:25:01,154 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-08 09:25:01,154 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-08 09:25:01,154 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-08 09:25:01,154 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-08 09:25:01,154 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-04-08 09:25:01,155 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-08 09:25:01,155 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-08 09:25:01,158 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-08 09:25:01,159 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2022-04-08 09:25:01,159 INFO L138 SettingsManager]: * Trace refinement strategy=ACCELERATED_INTERPOLATION [2022-04-08 09:25:01,159 INFO L138 SettingsManager]: * Trace refinement strategy used in Accelerated Interpolation=CAMEL [2022-04-08 09:25:01,159 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-08 09:25:01,159 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=QVASR [2022-04-08 09:25:01,160 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-08 09:25:01,399 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-08 09:25:01,431 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-08 09:25:01,433 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-08 09:25:01,434 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-08 09:25:01,434 INFO L275 PluginConnector]: CDTParser initialized [2022-04-08 09:25:01,436 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/simple_4-1.c [2022-04-08 09:25:01,493 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc64002df/29b411ae26084c1e8c2a57831e370d8b/FLAGfb577e76f [2022-04-08 09:25:01,861 INFO L306 CDTParser]: Found 1 translation units. [2022-04-08 09:25:01,862 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/simple_4-1.c [2022-04-08 09:25:01,868 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc64002df/29b411ae26084c1e8c2a57831e370d8b/FLAGfb577e76f [2022-04-08 09:25:01,884 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc64002df/29b411ae26084c1e8c2a57831e370d8b [2022-04-08 09:25:01,889 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-08 09:25:01,890 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-04-08 09:25:01,895 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-08 09:25:01,895 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-08 09:25:01,901 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-08 09:25:01,902 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.04 09:25:01" (1/1) ... [2022-04-08 09:25:01,903 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64da905 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 09:25:01, skipping insertion in model container [2022-04-08 09:25:01,903 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.04 09:25:01" (1/1) ... [2022-04-08 09:25:01,909 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-08 09:25:01,920 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-08 09:25:02,086 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/simple_4-1.c[322,335] [2022-04-08 09:25:02,107 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-08 09:25:02,123 INFO L203 MainTranslator]: Completed pre-run [2022-04-08 09:25:02,176 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/simple_4-1.c[322,335] [2022-04-08 09:25:02,178 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-08 09:25:02,189 INFO L208 MainTranslator]: Completed translation [2022-04-08 09:25:02,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 09:25:02 WrapperNode [2022-04-08 09:25:02,190 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-08 09:25:02,191 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-08 09:25:02,191 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-08 09:25:02,191 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-08 09:25:02,201 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 09:25:02" (1/1) ... [2022-04-08 09:25:02,201 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 09:25:02" (1/1) ... [2022-04-08 09:25:02,207 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 09:25:02" (1/1) ... [2022-04-08 09:25:02,207 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 09:25:02" (1/1) ... [2022-04-08 09:25:02,213 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 09:25:02" (1/1) ... [2022-04-08 09:25:02,217 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 09:25:02" (1/1) ... [2022-04-08 09:25:02,221 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 09:25:02" (1/1) ... [2022-04-08 09:25:02,224 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-08 09:25:02,225 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-08 09:25:02,225 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-08 09:25:02,225 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-08 09:25:02,226 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 09:25:02" (1/1) ... [2022-04-08 09:25:02,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-08 09:25:02,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 09:25:02,257 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) [2022-04-08 09:25:02,270 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 [2022-04-08 09:25:02,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-08 09:25:02,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-08 09:25:02,293 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-08 09:25:02,293 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-04-08 09:25:02,293 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-08 09:25:02,294 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-08 09:25:02,294 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-08 09:25:02,294 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-08 09:25:02,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-08 09:25:02,294 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-04-08 09:25:02,294 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-08 09:25:02,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-08 09:25:02,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-08 09:25:02,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-08 09:25:02,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-08 09:25:02,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-08 09:25:02,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-08 09:25:02,354 INFO L234 CfgBuilder]: Building ICFG [2022-04-08 09:25:02,356 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-08 09:25:02,484 INFO L275 CfgBuilder]: Performing block encoding [2022-04-08 09:25:02,489 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-08 09:25:02,490 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-04-08 09:25:02,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.04 09:25:02 BoogieIcfgContainer [2022-04-08 09:25:02,491 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-08 09:25:02,493 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-08 09:25:02,493 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-08 09:25:02,520 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-08 09:25:02,520 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.04 09:25:01" (1/3) ... [2022-04-08 09:25:02,521 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dd4b661 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.04 09:25:02, skipping insertion in model container [2022-04-08 09:25:02,521 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.04 09:25:02" (2/3) ... [2022-04-08 09:25:02,522 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dd4b661 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.04 09:25:02, skipping insertion in model container [2022-04-08 09:25:02,522 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.04 09:25:02" (3/3) ... [2022-04-08 09:25:02,523 INFO L111 eAbstractionObserver]: Analyzing ICFG simple_4-1.c [2022-04-08 09:25:02,527 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-04-08 09:25:02,527 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-08 09:25:02,561 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-08 09:25:02,567 INFO L340 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 [2022-04-08 09:25:02,567 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-08 09:25:02,581 INFO L276 IsEmpty]: Start isEmpty. Operand has 18 states, 10 states have (on average 1.4) internal successors, (14), 11 states have internal predecessors, (14), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-04-08 09:25:02,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-04-08 09:25:02,587 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 09:25:02,587 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 09:25:02,588 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 09:25:02,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 09:25:02,592 INFO L85 PathProgramCache]: Analyzing trace with hash -219174432, now seen corresponding path program 1 times [2022-04-08 09:25:02,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 09:25:02,599 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1565286712] [2022-04-08 09:25:02,625 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-08 09:25:02,625 INFO L85 PathProgramCache]: Analyzing trace with hash -219174432, now seen corresponding path program 2 times [2022-04-08 09:25:02,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 09:25:02,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880393184] [2022-04-08 09:25:02,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 09:25:02,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 09:25:02,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:25:02,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-08 09:25:02,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:25:02,827 INFO L290 TraceCheckUtils]: 0: Hoare triple {26#(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(13, 2);call #Ultimate.allocInit(12, 3); {21#true} is VALID [2022-04-08 09:25:02,828 INFO L290 TraceCheckUtils]: 1: Hoare triple {21#true} assume true; {21#true} is VALID [2022-04-08 09:25:02,828 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {21#true} {21#true} #34#return; {21#true} is VALID [2022-04-08 09:25:02,830 INFO L272 TraceCheckUtils]: 0: Hoare triple {21#true} call ULTIMATE.init(); {26#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-08 09:25:02,831 INFO L290 TraceCheckUtils]: 1: Hoare triple {26#(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(13, 2);call #Ultimate.allocInit(12, 3); {21#true} is VALID [2022-04-08 09:25:02,831 INFO L290 TraceCheckUtils]: 2: Hoare triple {21#true} assume true; {21#true} is VALID [2022-04-08 09:25:02,831 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {21#true} {21#true} #34#return; {21#true} is VALID [2022-04-08 09:25:02,831 INFO L272 TraceCheckUtils]: 4: Hoare triple {21#true} call #t~ret4 := main(); {21#true} is VALID [2022-04-08 09:25:02,832 INFO L290 TraceCheckUtils]: 5: Hoare triple {21#true} ~x~0 := 268435441; {21#true} is VALID [2022-04-08 09:25:02,833 INFO L290 TraceCheckUtils]: 6: Hoare triple {21#true} assume !true; {22#false} is VALID [2022-04-08 09:25:02,834 INFO L272 TraceCheckUtils]: 7: Hoare triple {22#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)); {22#false} is VALID [2022-04-08 09:25:02,834 INFO L290 TraceCheckUtils]: 8: Hoare triple {22#false} ~cond := #in~cond; {22#false} is VALID [2022-04-08 09:25:02,834 INFO L290 TraceCheckUtils]: 9: Hoare triple {22#false} assume 0 == ~cond; {22#false} is VALID [2022-04-08 09:25:02,834 INFO L290 TraceCheckUtils]: 10: Hoare triple {22#false} assume !false; {22#false} is VALID [2022-04-08 09:25:02,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:25:02,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 09:25:02,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880393184] [2022-04-08 09:25:02,838 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880393184] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 09:25:02,838 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 09:25:02,838 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-08 09:25:02,840 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 09:25:02,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1565286712] [2022-04-08 09:25:02,842 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1565286712] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 09:25:02,842 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 09:25:02,842 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-08 09:25:02,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472643853] [2022-04-08 09:25:02,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 09:25:02,848 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 [2022-04-08 09:25:02,850 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 09:25:02,852 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) [2022-04-08 09:25:02,874 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 11 edges. 11 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:25:02,875 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-08 09:25:02,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 09:25:02,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-08 09:25:02,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-08 09:25:02,901 INFO L87 Difference]: Start difference. First operand has 18 states, 10 states have (on average 1.4) internal successors, (14), 11 states have internal predecessors, (14), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) 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) [2022-04-08 09:25:02,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:25:02,985 INFO L93 Difference]: Finished difference Result 29 states and 32 transitions. [2022-04-08 09:25:02,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-08 09:25:02,986 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 [2022-04-08 09:25:02,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 09:25:02,987 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) [2022-04-08 09:25:02,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 32 transitions. [2022-04-08 09:25:02,997 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) [2022-04-08 09:25:03,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 32 transitions. [2022-04-08 09:25:03,003 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 3 states and 32 transitions. [2022-04-08 09:25:03,052 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 32 edges. 32 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:25:03,058 INFO L225 Difference]: With dead ends: 29 [2022-04-08 09:25:03,058 INFO L226 Difference]: Without dead ends: 12 [2022-04-08 09:25:03,061 INFO L912 BasicCegarLoop]: 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 [2022-04-08 09:25:03,064 INFO L913 BasicCegarLoop]: 17 mSDtfsCounter, 9 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-08 09:25:03,064 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 20 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-08 09:25:03,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2022-04-08 09:25:03,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2022-04-08 09:25:03,090 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 09:25:03,091 INFO L82 GeneralOperation]: Start isEquivalent. First operand 12 states. Second operand has 12 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:03,092 INFO L74 IsIncluded]: Start isIncluded. First operand 12 states. Second operand has 12 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:03,092 INFO L87 Difference]: Start difference. First operand 12 states. Second operand has 12 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:03,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:25:03,100 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2022-04-08 09:25:03,100 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-04-08 09:25:03,100 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:25:03,101 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:25:03,102 INFO L74 IsIncluded]: Start isIncluded. First operand has 12 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 12 states. [2022-04-08 09:25:03,102 INFO L87 Difference]: Start difference. First operand has 12 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 12 states. [2022-04-08 09:25:03,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:25:03,104 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2022-04-08 09:25:03,104 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-04-08 09:25:03,105 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:25:03,105 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:25:03,105 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 09:25:03,105 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 09:25:03,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:03,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-04-08 09:25:03,110 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 11 [2022-04-08 09:25:03,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 09:25:03,110 INFO L478 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2022-04-08 09:25:03,111 INFO L479 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) [2022-04-08 09:25:03,111 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 12 states and 12 transitions. [2022-04-08 09:25:03,128 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 12 edges. 12 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:25:03,128 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-04-08 09:25:03,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-04-08 09:25:03,128 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 09:25:03,129 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 09:25:03,129 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-08 09:25:03,129 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 09:25:03,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 09:25:03,130 INFO L85 PathProgramCache]: Analyzing trace with hash -222868516, now seen corresponding path program 1 times [2022-04-08 09:25:03,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 09:25:03,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1774813728] [2022-04-08 09:25:03,131 INFO L202 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-04-08 09:25:03,131 INFO L85 PathProgramCache]: Analyzing trace with hash -222868516, now seen corresponding path program 2 times [2022-04-08 09:25:03,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 09:25:03,131 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622144142] [2022-04-08 09:25:03,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 09:25:03,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 09:25:03,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:25:03,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-08 09:25:03,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:25:03,267 INFO L290 TraceCheckUtils]: 0: Hoare triple {141#(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(13, 2);call #Ultimate.allocInit(12, 3); {135#true} is VALID [2022-04-08 09:25:03,268 INFO L290 TraceCheckUtils]: 1: Hoare triple {135#true} assume true; {135#true} is VALID [2022-04-08 09:25:03,269 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {135#true} {135#true} #34#return; {135#true} is VALID [2022-04-08 09:25:03,270 INFO L272 TraceCheckUtils]: 0: Hoare triple {135#true} call ULTIMATE.init(); {141#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-08 09:25:03,270 INFO L290 TraceCheckUtils]: 1: Hoare triple {141#(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(13, 2);call #Ultimate.allocInit(12, 3); {135#true} is VALID [2022-04-08 09:25:03,270 INFO L290 TraceCheckUtils]: 2: Hoare triple {135#true} assume true; {135#true} is VALID [2022-04-08 09:25:03,270 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {135#true} {135#true} #34#return; {135#true} is VALID [2022-04-08 09:25:03,271 INFO L272 TraceCheckUtils]: 4: Hoare triple {135#true} call #t~ret4 := main(); {135#true} is VALID [2022-04-08 09:25:03,272 INFO L290 TraceCheckUtils]: 5: Hoare triple {135#true} ~x~0 := 268435441; {140#(and (<= (div main_~x~0 4294967296) 0) (<= 268435441 main_~x~0))} is VALID [2022-04-08 09:25:03,273 INFO L290 TraceCheckUtils]: 6: Hoare triple {140#(and (<= (div main_~x~0 4294967296) 0) (<= 268435441 main_~x~0))} assume !(~x~0 % 4294967296 > 1); {136#false} is VALID [2022-04-08 09:25:03,273 INFO L272 TraceCheckUtils]: 7: Hoare triple {136#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)); {136#false} is VALID [2022-04-08 09:25:03,273 INFO L290 TraceCheckUtils]: 8: Hoare triple {136#false} ~cond := #in~cond; {136#false} is VALID [2022-04-08 09:25:03,273 INFO L290 TraceCheckUtils]: 9: Hoare triple {136#false} assume 0 == ~cond; {136#false} is VALID [2022-04-08 09:25:03,274 INFO L290 TraceCheckUtils]: 10: Hoare triple {136#false} assume !false; {136#false} is VALID [2022-04-08 09:25:03,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:25:03,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 09:25:03,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622144142] [2022-04-08 09:25:03,278 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1622144142] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 09:25:03,278 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 09:25:03,278 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-08 09:25:03,279 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 09:25:03,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1774813728] [2022-04-08 09:25:03,280 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1774813728] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 09:25:03,280 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 09:25:03,280 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-08 09:25:03,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901539831] [2022-04-08 09:25:03,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 09:25:03,281 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 [2022-04-08 09:25:03,282 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 09:25:03,282 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) [2022-04-08 09:25:03,292 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 11 edges. 11 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:25:03,293 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-08 09:25:03,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 09:25:03,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-08 09:25:03,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-08 09:25:03,294 INFO L87 Difference]: Start difference. First operand 12 states and 12 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) [2022-04-08 09:25:03,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:25:03,343 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2022-04-08 09:25:03,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-08 09:25:03,344 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 [2022-04-08 09:25:03,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 09:25:03,344 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) [2022-04-08 09:25:03,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2022-04-08 09:25:03,345 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) [2022-04-08 09:25:03,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2022-04-08 09:25:03,347 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 4 states and 18 transitions. [2022-04-08 09:25:03,364 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:25:03,365 INFO L225 Difference]: With dead ends: 18 [2022-04-08 09:25:03,365 INFO L226 Difference]: Without dead ends: 13 [2022-04-08 09:25:03,365 INFO L912 BasicCegarLoop]: 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 [2022-04-08 09:25:03,366 INFO L913 BasicCegarLoop]: 11 mSDtfsCounter, 6 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-08 09:25:03,367 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 18 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-08 09:25:03,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2022-04-08 09:25:03,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-04-08 09:25:03,372 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 09:25:03,372 INFO L82 GeneralOperation]: Start isEquivalent. First operand 13 states. Second operand has 13 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:03,372 INFO L74 IsIncluded]: Start isIncluded. First operand 13 states. Second operand has 13 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:03,373 INFO L87 Difference]: Start difference. First operand 13 states. Second operand has 13 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:03,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:25:03,375 INFO L93 Difference]: Finished difference Result 13 states and 13 transitions. [2022-04-08 09:25:03,375 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2022-04-08 09:25:03,375 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:25:03,375 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:25:03,375 INFO L74 IsIncluded]: Start isIncluded. First operand has 13 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 13 states. [2022-04-08 09:25:03,376 INFO L87 Difference]: Start difference. First operand has 13 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 13 states. [2022-04-08 09:25:03,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:25:03,377 INFO L93 Difference]: Finished difference Result 13 states and 13 transitions. [2022-04-08 09:25:03,377 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2022-04-08 09:25:03,377 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:25:03,377 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:25:03,377 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 09:25:03,377 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 09:25:03,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:03,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2022-04-08 09:25:03,378 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 11 [2022-04-08 09:25:03,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 09:25:03,379 INFO L478 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2022-04-08 09:25:03,379 INFO L479 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) [2022-04-08 09:25:03,379 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 13 states and 13 transitions. [2022-04-08 09:25:03,392 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 13 edges. 13 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:25:03,393 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2022-04-08 09:25:03,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-04-08 09:25:03,393 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 09:25:03,393 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 09:25:03,393 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-08 09:25:03,394 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 09:25:03,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 09:25:03,394 INFO L85 PathProgramCache]: Analyzing trace with hash 1717471862, now seen corresponding path program 1 times [2022-04-08 09:25:03,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 09:25:03,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [746874694] [2022-04-08 09:25:03,408 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-08 09:25:03,409 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-08 09:25:03,409 INFO L85 PathProgramCache]: Analyzing trace with hash 1717471862, now seen corresponding path program 2 times [2022-04-08 09:25:03,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 09:25:03,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396611691] [2022-04-08 09:25:03,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 09:25:03,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 09:25:03,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:25:03,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-08 09:25:03,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:25:03,494 INFO L290 TraceCheckUtils]: 0: Hoare triple {241#(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(13, 2);call #Ultimate.allocInit(12, 3); {234#true} is VALID [2022-04-08 09:25:03,494 INFO L290 TraceCheckUtils]: 1: Hoare triple {234#true} assume true; {234#true} is VALID [2022-04-08 09:25:03,495 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {234#true} {234#true} #34#return; {234#true} is VALID [2022-04-08 09:25:03,495 INFO L272 TraceCheckUtils]: 0: Hoare triple {234#true} call ULTIMATE.init(); {241#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-08 09:25:03,496 INFO L290 TraceCheckUtils]: 1: Hoare triple {241#(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(13, 2);call #Ultimate.allocInit(12, 3); {234#true} is VALID [2022-04-08 09:25:03,496 INFO L290 TraceCheckUtils]: 2: Hoare triple {234#true} assume true; {234#true} is VALID [2022-04-08 09:25:03,496 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {234#true} {234#true} #34#return; {234#true} is VALID [2022-04-08 09:25:03,496 INFO L272 TraceCheckUtils]: 4: Hoare triple {234#true} call #t~ret4 := main(); {234#true} is VALID [2022-04-08 09:25:03,497 INFO L290 TraceCheckUtils]: 5: Hoare triple {234#true} ~x~0 := 268435441; {239#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:25:03,498 INFO L290 TraceCheckUtils]: 6: Hoare triple {239#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {240#(and (<= 268435439 main_~x~0) (<= (div main_~x~0 4294967296) 0))} is VALID [2022-04-08 09:25:03,498 INFO L290 TraceCheckUtils]: 7: Hoare triple {240#(and (<= 268435439 main_~x~0) (<= (div main_~x~0 4294967296) 0))} assume !(~x~0 % 4294967296 > 1); {235#false} is VALID [2022-04-08 09:25:03,499 INFO L272 TraceCheckUtils]: 8: Hoare triple {235#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)); {235#false} is VALID [2022-04-08 09:25:03,499 INFO L290 TraceCheckUtils]: 9: Hoare triple {235#false} ~cond := #in~cond; {235#false} is VALID [2022-04-08 09:25:03,499 INFO L290 TraceCheckUtils]: 10: Hoare triple {235#false} assume 0 == ~cond; {235#false} is VALID [2022-04-08 09:25:03,499 INFO L290 TraceCheckUtils]: 11: Hoare triple {235#false} assume !false; {235#false} is VALID [2022-04-08 09:25:03,500 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:25:03,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 09:25:03,500 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396611691] [2022-04-08 09:25:03,500 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396611691] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-08 09:25:03,500 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [195126718] [2022-04-08 09:25:03,500 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-08 09:25:03,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 09:25:03,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 09:25:03,502 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) [2022-04-08 09:25:03,503 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-04-08 09:25:03,539 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-08 09:25:03,539 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 09:25:03,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 8 conjunts are in the unsatisfiable core [2022-04-08 09:25:03,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:25:03,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 09:25:03,631 INFO L272 TraceCheckUtils]: 0: Hoare triple {234#true} call ULTIMATE.init(); {234#true} is VALID [2022-04-08 09:25:03,632 INFO L290 TraceCheckUtils]: 1: Hoare triple {234#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(13, 2);call #Ultimate.allocInit(12, 3); {234#true} is VALID [2022-04-08 09:25:03,632 INFO L290 TraceCheckUtils]: 2: Hoare triple {234#true} assume true; {234#true} is VALID [2022-04-08 09:25:03,632 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {234#true} {234#true} #34#return; {234#true} is VALID [2022-04-08 09:25:03,632 INFO L272 TraceCheckUtils]: 4: Hoare triple {234#true} call #t~ret4 := main(); {234#true} is VALID [2022-04-08 09:25:03,633 INFO L290 TraceCheckUtils]: 5: Hoare triple {234#true} ~x~0 := 268435441; {239#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:25:03,634 INFO L290 TraceCheckUtils]: 6: Hoare triple {239#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {263#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:25:03,635 INFO L290 TraceCheckUtils]: 7: Hoare triple {263#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !(~x~0 % 4294967296 > 1); {235#false} is VALID [2022-04-08 09:25:03,635 INFO L272 TraceCheckUtils]: 8: Hoare triple {235#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)); {235#false} is VALID [2022-04-08 09:25:03,635 INFO L290 TraceCheckUtils]: 9: Hoare triple {235#false} ~cond := #in~cond; {235#false} is VALID [2022-04-08 09:25:03,635 INFO L290 TraceCheckUtils]: 10: Hoare triple {235#false} assume 0 == ~cond; {235#false} is VALID [2022-04-08 09:25:03,636 INFO L290 TraceCheckUtils]: 11: Hoare triple {235#false} assume !false; {235#false} is VALID [2022-04-08 09:25:03,636 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:25:03,636 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 09:25:03,831 INFO L290 TraceCheckUtils]: 11: Hoare triple {235#false} assume !false; {235#false} is VALID [2022-04-08 09:25:03,833 INFO L290 TraceCheckUtils]: 10: Hoare triple {282#(not (<= __VERIFIER_assert_~cond 0))} assume 0 == ~cond; {235#false} is VALID [2022-04-08 09:25:03,835 INFO L290 TraceCheckUtils]: 9: Hoare triple {286#(< 0 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {282#(not (<= __VERIFIER_assert_~cond 0))} is VALID [2022-04-08 09:25:03,836 INFO L272 TraceCheckUtils]: 8: Hoare triple {290#(= (mod main_~x~0 2) 0)} 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)); {286#(< 0 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-08 09:25:03,837 INFO L290 TraceCheckUtils]: 7: Hoare triple {294#(or (< 1 (mod main_~x~0 4294967296)) (= (mod main_~x~0 2) 0))} assume !(~x~0 % 4294967296 > 1); {290#(= (mod main_~x~0 2) 0)} is VALID [2022-04-08 09:25:03,852 INFO L290 TraceCheckUtils]: 6: Hoare triple {298#(or (< 1 (mod (+ main_~x~0 4294967294) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {294#(or (< 1 (mod main_~x~0 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:03,853 INFO L290 TraceCheckUtils]: 5: Hoare triple {234#true} ~x~0 := 268435441; {298#(or (< 1 (mod (+ main_~x~0 4294967294) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:03,853 INFO L272 TraceCheckUtils]: 4: Hoare triple {234#true} call #t~ret4 := main(); {234#true} is VALID [2022-04-08 09:25:03,853 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {234#true} {234#true} #34#return; {234#true} is VALID [2022-04-08 09:25:03,853 INFO L290 TraceCheckUtils]: 2: Hoare triple {234#true} assume true; {234#true} is VALID [2022-04-08 09:25:03,853 INFO L290 TraceCheckUtils]: 1: Hoare triple {234#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(13, 2);call #Ultimate.allocInit(12, 3); {234#true} is VALID [2022-04-08 09:25:03,854 INFO L272 TraceCheckUtils]: 0: Hoare triple {234#true} call ULTIMATE.init(); {234#true} is VALID [2022-04-08 09:25:03,854 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:25:03,854 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [195126718] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-08 09:25:03,854 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-08 09:25:03,854 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 7] total 11 [2022-04-08 09:25:03,855 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 09:25:03,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [746874694] [2022-04-08 09:25:03,855 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [746874694] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 09:25:03,855 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 09:25:03,855 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-08 09:25:03,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251203258] [2022-04-08 09:25:03,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 09:25:03,856 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.6) internal successors, (8), 4 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 [2022-04-08 09:25:03,856 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 09:25:03,857 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 1.6) internal successors, (8), 4 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) [2022-04-08 09:25:03,877 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 12 edges. 12 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:25:03,877 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-04-08 09:25:03,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 09:25:03,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-04-08 09:25:03,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-04-08 09:25:03,879 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 4 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) [2022-04-08 09:25:03,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:25:03,984 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2022-04-08 09:25:03,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-08 09:25:03,984 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.6) internal successors, (8), 4 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 [2022-04-08 09:25:03,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 09:25:03,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 4 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) [2022-04-08 09:25:03,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 19 transitions. [2022-04-08 09:25:03,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 4 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) [2022-04-08 09:25:03,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 19 transitions. [2022-04-08 09:25:03,998 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 5 states and 19 transitions. [2022-04-08 09:25:04,015 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 19 edges. 19 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:25:04,017 INFO L225 Difference]: With dead ends: 19 [2022-04-08 09:25:04,017 INFO L226 Difference]: Without dead ends: 14 [2022-04-08 09:25:04,017 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2022-04-08 09:25:04,026 INFO L913 BasicCegarLoop]: 11 mSDtfsCounter, 6 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-08 09:25:04,027 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 18 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-08 09:25:04,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-04-08 09:25:04,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-04-08 09:25:04,038 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 09:25:04,038 INFO L82 GeneralOperation]: Start isEquivalent. First operand 14 states. Second operand has 14 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 9 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:04,038 INFO L74 IsIncluded]: Start isIncluded. First operand 14 states. Second operand has 14 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 9 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:04,038 INFO L87 Difference]: Start difference. First operand 14 states. Second operand has 14 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 9 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:04,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:25:04,040 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2022-04-08 09:25:04,040 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2022-04-08 09:25:04,040 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:25:04,040 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:25:04,040 INFO L74 IsIncluded]: Start isIncluded. First operand has 14 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 9 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 14 states. [2022-04-08 09:25:04,041 INFO L87 Difference]: Start difference. First operand has 14 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 9 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 14 states. [2022-04-08 09:25:04,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:25:04,042 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2022-04-08 09:25:04,042 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2022-04-08 09:25:04,042 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:25:04,042 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:25:04,042 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 09:25:04,043 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 09:25:04,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 9 states have internal predecessors, (10), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:04,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2022-04-08 09:25:04,044 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 12 [2022-04-08 09:25:04,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 09:25:04,044 INFO L478 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2022-04-08 09:25:04,044 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.6) internal successors, (8), 4 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) [2022-04-08 09:25:04,045 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 14 states and 14 transitions. [2022-04-08 09:25:04,063 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 14 edges. 14 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:25:04,063 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2022-04-08 09:25:04,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-04-08 09:25:04,065 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 09:25:04,065 INFO L499 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 09:25:04,082 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-04-08 09:25:04,267 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 09:25:04,268 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 09:25:04,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 09:25:04,268 INFO L85 PathProgramCache]: Analyzing trace with hash 1738481436, now seen corresponding path program 3 times [2022-04-08 09:25:04,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 09:25:04,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1312938172] [2022-04-08 09:25:04,278 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-08 09:25:04,278 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-08 09:25:04,279 INFO L85 PathProgramCache]: Analyzing trace with hash 1738481436, now seen corresponding path program 4 times [2022-04-08 09:25:04,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 09:25:04,279 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027928362] [2022-04-08 09:25:04,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 09:25:04,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 09:25:04,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:25:04,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-08 09:25:04,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:25:04,375 INFO L290 TraceCheckUtils]: 0: Hoare triple {425#(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(13, 2);call #Ultimate.allocInit(12, 3); {417#true} is VALID [2022-04-08 09:25:04,376 INFO L290 TraceCheckUtils]: 1: Hoare triple {417#true} assume true; {417#true} is VALID [2022-04-08 09:25:04,376 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {417#true} {417#true} #34#return; {417#true} is VALID [2022-04-08 09:25:04,377 INFO L272 TraceCheckUtils]: 0: Hoare triple {417#true} call ULTIMATE.init(); {425#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-08 09:25:04,377 INFO L290 TraceCheckUtils]: 1: Hoare triple {425#(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(13, 2);call #Ultimate.allocInit(12, 3); {417#true} is VALID [2022-04-08 09:25:04,377 INFO L290 TraceCheckUtils]: 2: Hoare triple {417#true} assume true; {417#true} is VALID [2022-04-08 09:25:04,378 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {417#true} {417#true} #34#return; {417#true} is VALID [2022-04-08 09:25:04,378 INFO L272 TraceCheckUtils]: 4: Hoare triple {417#true} call #t~ret4 := main(); {417#true} is VALID [2022-04-08 09:25:04,378 INFO L290 TraceCheckUtils]: 5: Hoare triple {417#true} ~x~0 := 268435441; {422#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:25:04,379 INFO L290 TraceCheckUtils]: 6: Hoare triple {422#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {423#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:25:04,380 INFO L290 TraceCheckUtils]: 7: Hoare triple {423#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {424#(and (<= (div main_~x~0 4294967296) 0) (<= 268435437 main_~x~0))} is VALID [2022-04-08 09:25:04,381 INFO L290 TraceCheckUtils]: 8: Hoare triple {424#(and (<= (div main_~x~0 4294967296) 0) (<= 268435437 main_~x~0))} assume !(~x~0 % 4294967296 > 1); {418#false} is VALID [2022-04-08 09:25:04,381 INFO L272 TraceCheckUtils]: 9: Hoare triple {418#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)); {418#false} is VALID [2022-04-08 09:25:04,381 INFO L290 TraceCheckUtils]: 10: Hoare triple {418#false} ~cond := #in~cond; {418#false} is VALID [2022-04-08 09:25:04,381 INFO L290 TraceCheckUtils]: 11: Hoare triple {418#false} assume 0 == ~cond; {418#false} is VALID [2022-04-08 09:25:04,382 INFO L290 TraceCheckUtils]: 12: Hoare triple {418#false} assume !false; {418#false} is VALID [2022-04-08 09:25:04,382 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:25:04,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 09:25:04,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027928362] [2022-04-08 09:25:04,382 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027928362] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-08 09:25:04,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [776227955] [2022-04-08 09:25:04,383 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-08 09:25:04,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 09:25:04,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 09:25:04,384 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) [2022-04-08 09:25:04,385 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-04-08 09:25:04,434 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-08 09:25:04,434 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 09:25:04,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2022-04-08 09:25:04,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:25:04,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 09:25:04,686 INFO L272 TraceCheckUtils]: 0: Hoare triple {417#true} call ULTIMATE.init(); {417#true} is VALID [2022-04-08 09:25:04,688 INFO L290 TraceCheckUtils]: 1: Hoare triple {417#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(13, 2);call #Ultimate.allocInit(12, 3); {417#true} is VALID [2022-04-08 09:25:04,689 INFO L290 TraceCheckUtils]: 2: Hoare triple {417#true} assume true; {417#true} is VALID [2022-04-08 09:25:04,689 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {417#true} {417#true} #34#return; {417#true} is VALID [2022-04-08 09:25:04,689 INFO L272 TraceCheckUtils]: 4: Hoare triple {417#true} call #t~ret4 := main(); {417#true} is VALID [2022-04-08 09:25:04,690 INFO L290 TraceCheckUtils]: 5: Hoare triple {417#true} ~x~0 := 268435441; {422#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:25:04,691 INFO L290 TraceCheckUtils]: 6: Hoare triple {422#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {423#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:25:04,692 INFO L290 TraceCheckUtils]: 7: Hoare triple {423#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {450#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:25:04,692 INFO L290 TraceCheckUtils]: 8: Hoare triple {450#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !(~x~0 % 4294967296 > 1); {418#false} is VALID [2022-04-08 09:25:04,693 INFO L272 TraceCheckUtils]: 9: Hoare triple {418#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)); {418#false} is VALID [2022-04-08 09:25:04,693 INFO L290 TraceCheckUtils]: 10: Hoare triple {418#false} ~cond := #in~cond; {418#false} is VALID [2022-04-08 09:25:04,693 INFO L290 TraceCheckUtils]: 11: Hoare triple {418#false} assume 0 == ~cond; {418#false} is VALID [2022-04-08 09:25:04,694 INFO L290 TraceCheckUtils]: 12: Hoare triple {418#false} assume !false; {418#false} is VALID [2022-04-08 09:25:04,694 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:25:04,694 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 09:25:04,782 INFO L290 TraceCheckUtils]: 12: Hoare triple {418#false} assume !false; {418#false} is VALID [2022-04-08 09:25:04,782 INFO L290 TraceCheckUtils]: 11: Hoare triple {418#false} assume 0 == ~cond; {418#false} is VALID [2022-04-08 09:25:04,786 INFO L290 TraceCheckUtils]: 10: Hoare triple {418#false} ~cond := #in~cond; {418#false} is VALID [2022-04-08 09:25:04,786 INFO L272 TraceCheckUtils]: 9: Hoare triple {418#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)); {418#false} is VALID [2022-04-08 09:25:04,787 INFO L290 TraceCheckUtils]: 8: Hoare triple {478#(< 1 (mod main_~x~0 4294967296))} assume !(~x~0 % 4294967296 > 1); {418#false} is VALID [2022-04-08 09:25:04,789 INFO L290 TraceCheckUtils]: 7: Hoare triple {482#(< 1 (mod (+ main_~x~0 4294967294) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {478#(< 1 (mod main_~x~0 4294967296))} is VALID [2022-04-08 09:25:04,792 INFO L290 TraceCheckUtils]: 6: Hoare triple {486#(< 1 (mod (+ 4294967292 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {482#(< 1 (mod (+ main_~x~0 4294967294) 4294967296))} is VALID [2022-04-08 09:25:04,793 INFO L290 TraceCheckUtils]: 5: Hoare triple {417#true} ~x~0 := 268435441; {486#(< 1 (mod (+ 4294967292 main_~x~0) 4294967296))} is VALID [2022-04-08 09:25:04,793 INFO L272 TraceCheckUtils]: 4: Hoare triple {417#true} call #t~ret4 := main(); {417#true} is VALID [2022-04-08 09:25:04,793 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {417#true} {417#true} #34#return; {417#true} is VALID [2022-04-08 09:25:04,794 INFO L290 TraceCheckUtils]: 2: Hoare triple {417#true} assume true; {417#true} is VALID [2022-04-08 09:25:04,794 INFO L290 TraceCheckUtils]: 1: Hoare triple {417#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(13, 2);call #Ultimate.allocInit(12, 3); {417#true} is VALID [2022-04-08 09:25:04,794 INFO L272 TraceCheckUtils]: 0: Hoare triple {417#true} call ULTIMATE.init(); {417#true} is VALID [2022-04-08 09:25:04,794 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:25:04,795 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [776227955] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-08 09:25:04,795 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-08 09:25:04,795 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2022-04-08 09:25:04,795 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 09:25:04,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1312938172] [2022-04-08 09:25:04,795 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1312938172] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 09:25:04,796 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 09:25:04,796 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-08 09:25:04,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363573578] [2022-04-08 09:25:04,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 09:25:04,797 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.5) internal successors, (9), 5 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 [2022-04-08 09:25:04,797 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 09:25:04,799 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 6 states, 6 states have (on average 1.5) internal successors, (9), 5 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) [2022-04-08 09:25:04,809 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 13 edges. 13 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:25:04,809 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-08 09:25:04,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 09:25:04,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-08 09:25:04,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-04-08 09:25:04,812 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand has 6 states, 6 states have (on average 1.5) internal successors, (9), 5 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) [2022-04-08 09:25:04,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:25:04,896 INFO L93 Difference]: Finished difference Result 20 states and 20 transitions. [2022-04-08 09:25:04,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-08 09:25:04,897 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.5) internal successors, (9), 5 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 [2022-04-08 09:25:04,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 09:25:04,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.5) internal successors, (9), 5 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) [2022-04-08 09:25:04,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 20 transitions. [2022-04-08 09:25:04,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.5) internal successors, (9), 5 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) [2022-04-08 09:25:04,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 20 transitions. [2022-04-08 09:25:04,900 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 6 states and 20 transitions. [2022-04-08 09:25:04,917 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:25:04,917 INFO L225 Difference]: With dead ends: 20 [2022-04-08 09:25:04,918 INFO L226 Difference]: Without dead ends: 15 [2022-04-08 09:25:04,918 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 24 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156 [2022-04-08 09:25:04,919 INFO L913 BasicCegarLoop]: 11 mSDtfsCounter, 6 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-08 09:25:04,919 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 18 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-08 09:25:04,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2022-04-08 09:25:04,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2022-04-08 09:25:04,927 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 09:25:04,927 INFO L82 GeneralOperation]: Start isEquivalent. First operand 15 states. Second operand has 15 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:04,927 INFO L74 IsIncluded]: Start isIncluded. First operand 15 states. Second operand has 15 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:04,928 INFO L87 Difference]: Start difference. First operand 15 states. Second operand has 15 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:04,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:25:04,929 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2022-04-08 09:25:04,929 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2022-04-08 09:25:04,929 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:25:04,930 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:25:04,930 INFO L74 IsIncluded]: Start isIncluded. First operand has 15 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 15 states. [2022-04-08 09:25:04,930 INFO L87 Difference]: Start difference. First operand has 15 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 15 states. [2022-04-08 09:25:04,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:25:04,931 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2022-04-08 09:25:04,931 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2022-04-08 09:25:04,932 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:25:04,932 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:25:04,932 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 09:25:04,932 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 09:25:04,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:04,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2022-04-08 09:25:04,933 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 13 [2022-04-08 09:25:04,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 09:25:04,934 INFO L478 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2022-04-08 09:25:04,934 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.5) internal successors, (9), 5 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) [2022-04-08 09:25:04,934 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 15 states and 15 transitions. [2022-04-08 09:25:04,947 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 15 edges. 15 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:25:04,947 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2022-04-08 09:25:04,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-04-08 09:25:04,948 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 09:25:04,948 INFO L499 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 09:25:04,978 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-04-08 09:25:05,167 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2022-04-08 09:25:05,168 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 09:25:05,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 09:25:05,168 INFO L85 PathProgramCache]: Analyzing trace with hash -1905189066, now seen corresponding path program 5 times [2022-04-08 09:25:05,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 09:25:05,169 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [901216053] [2022-04-08 09:25:05,173 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-08 09:25:05,173 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-08 09:25:05,174 INFO L85 PathProgramCache]: Analyzing trace with hash -1905189066, now seen corresponding path program 6 times [2022-04-08 09:25:05,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 09:25:05,174 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039245251] [2022-04-08 09:25:05,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 09:25:05,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 09:25:05,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:25:05,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-08 09:25:05,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:25:05,292 INFO L290 TraceCheckUtils]: 0: Hoare triple {622#(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(13, 2);call #Ultimate.allocInit(12, 3); {613#true} is VALID [2022-04-08 09:25:05,293 INFO L290 TraceCheckUtils]: 1: Hoare triple {613#true} assume true; {613#true} is VALID [2022-04-08 09:25:05,293 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {613#true} {613#true} #34#return; {613#true} is VALID [2022-04-08 09:25:05,294 INFO L272 TraceCheckUtils]: 0: Hoare triple {613#true} call ULTIMATE.init(); {622#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-08 09:25:05,294 INFO L290 TraceCheckUtils]: 1: Hoare triple {622#(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(13, 2);call #Ultimate.allocInit(12, 3); {613#true} is VALID [2022-04-08 09:25:05,296 INFO L290 TraceCheckUtils]: 2: Hoare triple {613#true} assume true; {613#true} is VALID [2022-04-08 09:25:05,296 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {613#true} {613#true} #34#return; {613#true} is VALID [2022-04-08 09:25:05,296 INFO L272 TraceCheckUtils]: 4: Hoare triple {613#true} call #t~ret4 := main(); {613#true} is VALID [2022-04-08 09:25:05,304 INFO L290 TraceCheckUtils]: 5: Hoare triple {613#true} ~x~0 := 268435441; {618#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:25:05,305 INFO L290 TraceCheckUtils]: 6: Hoare triple {618#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {619#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:25:05,306 INFO L290 TraceCheckUtils]: 7: Hoare triple {619#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {620#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:25:05,306 INFO L290 TraceCheckUtils]: 8: Hoare triple {620#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {621#(and (<= (div main_~x~0 4294967296) 0) (<= 268435435 main_~x~0))} is VALID [2022-04-08 09:25:05,307 INFO L290 TraceCheckUtils]: 9: Hoare triple {621#(and (<= (div main_~x~0 4294967296) 0) (<= 268435435 main_~x~0))} assume !(~x~0 % 4294967296 > 1); {614#false} is VALID [2022-04-08 09:25:05,307 INFO L272 TraceCheckUtils]: 10: Hoare triple {614#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)); {614#false} is VALID [2022-04-08 09:25:05,307 INFO L290 TraceCheckUtils]: 11: Hoare triple {614#false} ~cond := #in~cond; {614#false} is VALID [2022-04-08 09:25:05,308 INFO L290 TraceCheckUtils]: 12: Hoare triple {614#false} assume 0 == ~cond; {614#false} is VALID [2022-04-08 09:25:05,308 INFO L290 TraceCheckUtils]: 13: Hoare triple {614#false} assume !false; {614#false} is VALID [2022-04-08 09:25:05,308 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:25:05,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 09:25:05,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039245251] [2022-04-08 09:25:05,309 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039245251] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-08 09:25:05,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1232634773] [2022-04-08 09:25:05,309 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-04-08 09:25:05,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 09:25:05,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 09:25:05,320 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) [2022-04-08 09:25:05,330 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-04-08 09:25:05,364 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2022-04-08 09:25:05,365 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 09:25:05,365 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 12 conjunts are in the unsatisfiable core [2022-04-08 09:25:05,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:25:05,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 09:25:05,462 INFO L272 TraceCheckUtils]: 0: Hoare triple {613#true} call ULTIMATE.init(); {613#true} is VALID [2022-04-08 09:25:05,463 INFO L290 TraceCheckUtils]: 1: Hoare triple {613#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(13, 2);call #Ultimate.allocInit(12, 3); {613#true} is VALID [2022-04-08 09:25:05,463 INFO L290 TraceCheckUtils]: 2: Hoare triple {613#true} assume true; {613#true} is VALID [2022-04-08 09:25:05,463 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {613#true} {613#true} #34#return; {613#true} is VALID [2022-04-08 09:25:05,463 INFO L272 TraceCheckUtils]: 4: Hoare triple {613#true} call #t~ret4 := main(); {613#true} is VALID [2022-04-08 09:25:05,464 INFO L290 TraceCheckUtils]: 5: Hoare triple {613#true} ~x~0 := 268435441; {618#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:25:05,465 INFO L290 TraceCheckUtils]: 6: Hoare triple {618#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {619#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:25:05,466 INFO L290 TraceCheckUtils]: 7: Hoare triple {619#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {620#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:25:05,466 INFO L290 TraceCheckUtils]: 8: Hoare triple {620#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {650#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:25:05,467 INFO L290 TraceCheckUtils]: 9: Hoare triple {650#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !(~x~0 % 4294967296 > 1); {614#false} is VALID [2022-04-08 09:25:05,467 INFO L272 TraceCheckUtils]: 10: Hoare triple {614#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)); {614#false} is VALID [2022-04-08 09:25:05,467 INFO L290 TraceCheckUtils]: 11: Hoare triple {614#false} ~cond := #in~cond; {614#false} is VALID [2022-04-08 09:25:05,467 INFO L290 TraceCheckUtils]: 12: Hoare triple {614#false} assume 0 == ~cond; {614#false} is VALID [2022-04-08 09:25:05,468 INFO L290 TraceCheckUtils]: 13: Hoare triple {614#false} assume !false; {614#false} is VALID [2022-04-08 09:25:05,468 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:25:05,468 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 09:25:05,694 INFO L290 TraceCheckUtils]: 13: Hoare triple {614#false} assume !false; {614#false} is VALID [2022-04-08 09:25:05,694 INFO L290 TraceCheckUtils]: 12: Hoare triple {669#(not (<= __VERIFIER_assert_~cond 0))} assume 0 == ~cond; {614#false} is VALID [2022-04-08 09:25:05,695 INFO L290 TraceCheckUtils]: 11: Hoare triple {673#(< 0 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {669#(not (<= __VERIFIER_assert_~cond 0))} is VALID [2022-04-08 09:25:05,695 INFO L272 TraceCheckUtils]: 10: Hoare triple {677#(= (mod main_~x~0 2) 0)} 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)); {673#(< 0 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-08 09:25:05,696 INFO L290 TraceCheckUtils]: 9: Hoare triple {681#(or (< 1 (mod main_~x~0 4294967296)) (= (mod main_~x~0 2) 0))} assume !(~x~0 % 4294967296 > 1); {677#(= (mod main_~x~0 2) 0)} is VALID [2022-04-08 09:25:05,698 INFO L290 TraceCheckUtils]: 8: Hoare triple {685#(or (< 1 (mod (+ main_~x~0 4294967294) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {681#(or (< 1 (mod main_~x~0 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:05,700 INFO L290 TraceCheckUtils]: 7: Hoare triple {689#(or (< 1 (mod (+ 4294967292 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {685#(or (< 1 (mod (+ main_~x~0 4294967294) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:05,701 INFO L290 TraceCheckUtils]: 6: Hoare triple {693#(or (< 1 (mod (+ 4294967290 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {689#(or (< 1 (mod (+ 4294967292 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:05,702 INFO L290 TraceCheckUtils]: 5: Hoare triple {613#true} ~x~0 := 268435441; {693#(or (< 1 (mod (+ 4294967290 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:05,702 INFO L272 TraceCheckUtils]: 4: Hoare triple {613#true} call #t~ret4 := main(); {613#true} is VALID [2022-04-08 09:25:05,703 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {613#true} {613#true} #34#return; {613#true} is VALID [2022-04-08 09:25:05,703 INFO L290 TraceCheckUtils]: 2: Hoare triple {613#true} assume true; {613#true} is VALID [2022-04-08 09:25:05,703 INFO L290 TraceCheckUtils]: 1: Hoare triple {613#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(13, 2);call #Ultimate.allocInit(12, 3); {613#true} is VALID [2022-04-08 09:25:05,703 INFO L272 TraceCheckUtils]: 0: Hoare triple {613#true} call ULTIMATE.init(); {613#true} is VALID [2022-04-08 09:25:05,703 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:25:05,704 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1232634773] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-08 09:25:05,704 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-08 09:25:05,705 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 9] total 15 [2022-04-08 09:25:05,705 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 09:25:05,705 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [901216053] [2022-04-08 09:25:05,705 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [901216053] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 09:25:05,705 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 09:25:05,705 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-04-08 09:25:05,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454022503] [2022-04-08 09:25:05,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 09:25:05,706 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 6 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 [2022-04-08 09:25:05,706 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 09:25:05,707 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 6 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) [2022-04-08 09:25:05,719 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 14 edges. 14 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:25:05,721 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-04-08 09:25:05,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 09:25:05,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-04-08 09:25:05,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2022-04-08 09:25:05,722 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 6 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) [2022-04-08 09:25:05,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:25:05,868 INFO L93 Difference]: Finished difference Result 21 states and 21 transitions. [2022-04-08 09:25:05,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-04-08 09:25:05,869 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 6 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 [2022-04-08 09:25:05,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 09:25:05,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 6 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) [2022-04-08 09:25:05,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 21 transitions. [2022-04-08 09:25:05,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 6 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) [2022-04-08 09:25:05,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 21 transitions. [2022-04-08 09:25:05,872 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 7 states and 21 transitions. [2022-04-08 09:25:05,890 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 21 edges. 21 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:25:05,891 INFO L225 Difference]: With dead ends: 21 [2022-04-08 09:25:05,891 INFO L226 Difference]: Without dead ends: 16 [2022-04-08 09:25:05,892 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2022-04-08 09:25:05,893 INFO L913 BasicCegarLoop]: 11 mSDtfsCounter, 6 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-08 09:25:05,893 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 23 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-08 09:25:05,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2022-04-08 09:25:05,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2022-04-08 09:25:05,903 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 09:25:05,903 INFO L82 GeneralOperation]: Start isEquivalent. First operand 16 states. Second operand has 16 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:05,903 INFO L74 IsIncluded]: Start isIncluded. First operand 16 states. Second operand has 16 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:05,903 INFO L87 Difference]: Start difference. First operand 16 states. Second operand has 16 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:05,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:25:05,905 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2022-04-08 09:25:05,905 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2022-04-08 09:25:05,905 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:25:05,905 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:25:05,905 INFO L74 IsIncluded]: Start isIncluded. First operand has 16 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 16 states. [2022-04-08 09:25:05,906 INFO L87 Difference]: Start difference. First operand has 16 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 16 states. [2022-04-08 09:25:05,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:25:05,907 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2022-04-08 09:25:05,907 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2022-04-08 09:25:05,907 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:25:05,907 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:25:05,908 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 09:25:05,908 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 09:25:05,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:05,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2022-04-08 09:25:05,909 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 14 [2022-04-08 09:25:05,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 09:25:05,909 INFO L478 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2022-04-08 09:25:05,909 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 6 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) [2022-04-08 09:25:05,910 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 16 states and 16 transitions. [2022-04-08 09:25:05,932 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:25:05,933 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2022-04-08 09:25:05,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-04-08 09:25:05,933 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 09:25:05,933 INFO L499 BasicCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 09:25:05,960 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-04-08 09:25:06,139 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 09:25:06,140 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 09:25:06,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 09:25:06,140 INFO L85 PathProgramCache]: Analyzing trace with hash 1105142364, now seen corresponding path program 7 times [2022-04-08 09:25:06,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 09:25:06,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1225197468] [2022-04-08 09:25:06,144 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-08 09:25:06,144 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-08 09:25:06,144 INFO L85 PathProgramCache]: Analyzing trace with hash 1105142364, now seen corresponding path program 8 times [2022-04-08 09:25:06,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 09:25:06,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163824739] [2022-04-08 09:25:06,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 09:25:06,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 09:25:06,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:25:06,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-08 09:25:06,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:25:06,273 INFO L290 TraceCheckUtils]: 0: Hoare triple {838#(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(13, 2);call #Ultimate.allocInit(12, 3); {828#true} is VALID [2022-04-08 09:25:06,274 INFO L290 TraceCheckUtils]: 1: Hoare triple {828#true} assume true; {828#true} is VALID [2022-04-08 09:25:06,274 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {828#true} {828#true} #34#return; {828#true} is VALID [2022-04-08 09:25:06,275 INFO L272 TraceCheckUtils]: 0: Hoare triple {828#true} call ULTIMATE.init(); {838#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-08 09:25:06,275 INFO L290 TraceCheckUtils]: 1: Hoare triple {838#(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(13, 2);call #Ultimate.allocInit(12, 3); {828#true} is VALID [2022-04-08 09:25:06,275 INFO L290 TraceCheckUtils]: 2: Hoare triple {828#true} assume true; {828#true} is VALID [2022-04-08 09:25:06,275 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {828#true} {828#true} #34#return; {828#true} is VALID [2022-04-08 09:25:06,276 INFO L272 TraceCheckUtils]: 4: Hoare triple {828#true} call #t~ret4 := main(); {828#true} is VALID [2022-04-08 09:25:06,276 INFO L290 TraceCheckUtils]: 5: Hoare triple {828#true} ~x~0 := 268435441; {833#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:25:06,277 INFO L290 TraceCheckUtils]: 6: Hoare triple {833#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {834#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:25:06,278 INFO L290 TraceCheckUtils]: 7: Hoare triple {834#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {835#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:25:06,278 INFO L290 TraceCheckUtils]: 8: Hoare triple {835#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {836#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:25:06,279 INFO L290 TraceCheckUtils]: 9: Hoare triple {836#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {837#(and (<= (div main_~x~0 4294967296) 0) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:25:06,280 INFO L290 TraceCheckUtils]: 10: Hoare triple {837#(and (<= (div main_~x~0 4294967296) 0) (<= 268435433 main_~x~0))} assume !(~x~0 % 4294967296 > 1); {829#false} is VALID [2022-04-08 09:25:06,280 INFO L272 TraceCheckUtils]: 11: Hoare triple {829#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)); {829#false} is VALID [2022-04-08 09:25:06,280 INFO L290 TraceCheckUtils]: 12: Hoare triple {829#false} ~cond := #in~cond; {829#false} is VALID [2022-04-08 09:25:06,280 INFO L290 TraceCheckUtils]: 13: Hoare triple {829#false} assume 0 == ~cond; {829#false} is VALID [2022-04-08 09:25:06,280 INFO L290 TraceCheckUtils]: 14: Hoare triple {829#false} assume !false; {829#false} is VALID [2022-04-08 09:25:06,281 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:25:06,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 09:25:06,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163824739] [2022-04-08 09:25:06,281 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163824739] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-08 09:25:06,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1415913447] [2022-04-08 09:25:06,282 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-08 09:25:06,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 09:25:06,282 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 09:25:06,283 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) [2022-04-08 09:25:06,284 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-04-08 09:25:06,325 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-08 09:25:06,325 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 09:25:06,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 14 conjunts are in the unsatisfiable core [2022-04-08 09:25:06,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:25:06,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 09:25:06,443 INFO L272 TraceCheckUtils]: 0: Hoare triple {828#true} call ULTIMATE.init(); {828#true} is VALID [2022-04-08 09:25:06,444 INFO L290 TraceCheckUtils]: 1: Hoare triple {828#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(13, 2);call #Ultimate.allocInit(12, 3); {828#true} is VALID [2022-04-08 09:25:06,444 INFO L290 TraceCheckUtils]: 2: Hoare triple {828#true} assume true; {828#true} is VALID [2022-04-08 09:25:06,444 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {828#true} {828#true} #34#return; {828#true} is VALID [2022-04-08 09:25:06,444 INFO L272 TraceCheckUtils]: 4: Hoare triple {828#true} call #t~ret4 := main(); {828#true} is VALID [2022-04-08 09:25:06,445 INFO L290 TraceCheckUtils]: 5: Hoare triple {828#true} ~x~0 := 268435441; {833#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:25:06,446 INFO L290 TraceCheckUtils]: 6: Hoare triple {833#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {834#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:25:06,451 INFO L290 TraceCheckUtils]: 7: Hoare triple {834#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {835#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:25:06,452 INFO L290 TraceCheckUtils]: 8: Hoare triple {835#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {836#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:25:06,452 INFO L290 TraceCheckUtils]: 9: Hoare triple {836#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {869#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:25:06,453 INFO L290 TraceCheckUtils]: 10: Hoare triple {869#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !(~x~0 % 4294967296 > 1); {829#false} is VALID [2022-04-08 09:25:06,453 INFO L272 TraceCheckUtils]: 11: Hoare triple {829#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)); {829#false} is VALID [2022-04-08 09:25:06,453 INFO L290 TraceCheckUtils]: 12: Hoare triple {829#false} ~cond := #in~cond; {829#false} is VALID [2022-04-08 09:25:06,454 INFO L290 TraceCheckUtils]: 13: Hoare triple {829#false} assume 0 == ~cond; {829#false} is VALID [2022-04-08 09:25:06,454 INFO L290 TraceCheckUtils]: 14: Hoare triple {829#false} assume !false; {829#false} is VALID [2022-04-08 09:25:06,455 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:25:06,455 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 09:25:06,723 INFO L290 TraceCheckUtils]: 14: Hoare triple {829#false} assume !false; {829#false} is VALID [2022-04-08 09:25:06,723 INFO L290 TraceCheckUtils]: 13: Hoare triple {888#(not (<= __VERIFIER_assert_~cond 0))} assume 0 == ~cond; {829#false} is VALID [2022-04-08 09:25:06,724 INFO L290 TraceCheckUtils]: 12: Hoare triple {892#(< 0 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {888#(not (<= __VERIFIER_assert_~cond 0))} is VALID [2022-04-08 09:25:06,725 INFO L272 TraceCheckUtils]: 11: Hoare triple {896#(= (mod main_~x~0 2) 0)} 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)); {892#(< 0 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-08 09:25:06,725 INFO L290 TraceCheckUtils]: 10: Hoare triple {900#(or (< 1 (mod main_~x~0 4294967296)) (= (mod main_~x~0 2) 0))} assume !(~x~0 % 4294967296 > 1); {896#(= (mod main_~x~0 2) 0)} is VALID [2022-04-08 09:25:06,727 INFO L290 TraceCheckUtils]: 9: Hoare triple {904#(or (< 1 (mod (+ main_~x~0 4294967294) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {900#(or (< 1 (mod main_~x~0 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:06,731 INFO L290 TraceCheckUtils]: 8: Hoare triple {908#(or (< 1 (mod (+ 4294967292 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {904#(or (< 1 (mod (+ main_~x~0 4294967294) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:06,732 INFO L290 TraceCheckUtils]: 7: Hoare triple {912#(or (< 1 (mod (+ 4294967290 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {908#(or (< 1 (mod (+ 4294967292 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:06,733 INFO L290 TraceCheckUtils]: 6: Hoare triple {916#(or (< 1 (mod (+ 4294967288 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {912#(or (< 1 (mod (+ 4294967290 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:06,734 INFO L290 TraceCheckUtils]: 5: Hoare triple {828#true} ~x~0 := 268435441; {916#(or (< 1 (mod (+ 4294967288 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:06,734 INFO L272 TraceCheckUtils]: 4: Hoare triple {828#true} call #t~ret4 := main(); {828#true} is VALID [2022-04-08 09:25:06,734 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {828#true} {828#true} #34#return; {828#true} is VALID [2022-04-08 09:25:06,734 INFO L290 TraceCheckUtils]: 2: Hoare triple {828#true} assume true; {828#true} is VALID [2022-04-08 09:25:06,735 INFO L290 TraceCheckUtils]: 1: Hoare triple {828#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(13, 2);call #Ultimate.allocInit(12, 3); {828#true} is VALID [2022-04-08 09:25:06,735 INFO L272 TraceCheckUtils]: 0: Hoare triple {828#true} call ULTIMATE.init(); {828#true} is VALID [2022-04-08 09:25:06,735 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:25:06,735 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1415913447] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-08 09:25:06,735 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-08 09:25:06,736 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 10] total 17 [2022-04-08 09:25:06,736 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 09:25:06,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1225197468] [2022-04-08 09:25:06,736 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1225197468] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 09:25:06,736 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 09:25:06,736 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-04-08 09:25:06,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195804564] [2022-04-08 09:25:06,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 09:25:06,737 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.375) internal successors, (11), 7 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 [2022-04-08 09:25:06,737 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 09:25:06,737 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 8 states, 8 states have (on average 1.375) internal successors, (11), 7 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) [2022-04-08 09:25:06,750 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 15 edges. 15 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:25:06,751 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-04-08 09:25:06,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 09:25:06,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-04-08 09:25:06,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2022-04-08 09:25:06,752 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand has 8 states, 8 states have (on average 1.375) internal successors, (11), 7 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) [2022-04-08 09:25:06,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:25:06,926 INFO L93 Difference]: Finished difference Result 22 states and 22 transitions. [2022-04-08 09:25:06,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-04-08 09:25:06,926 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.375) internal successors, (11), 7 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 [2022-04-08 09:25:06,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 09:25:06,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.375) internal successors, (11), 7 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) [2022-04-08 09:25:06,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 22 transitions. [2022-04-08 09:25:06,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.375) internal successors, (11), 7 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) [2022-04-08 09:25:06,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 22 transitions. [2022-04-08 09:25:06,929 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 8 states and 22 transitions. [2022-04-08 09:25:06,954 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 22 edges. 22 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:25:06,954 INFO L225 Difference]: With dead ends: 22 [2022-04-08 09:25:06,954 INFO L226 Difference]: Without dead ends: 17 [2022-04-08 09:25:06,955 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 23 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=338, Unknown=0, NotChecked=0, Total=462 [2022-04-08 09:25:06,956 INFO L913 BasicCegarLoop]: 11 mSDtfsCounter, 6 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-04-08 09:25:06,956 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 18 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-04-08 09:25:06,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-04-08 09:25:06,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2022-04-08 09:25:06,967 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 09:25:06,967 INFO L82 GeneralOperation]: Start isEquivalent. First operand 17 states. Second operand has 17 states, 12 states have (on average 1.0833333333333333) internal successors, (13), 12 states have internal predecessors, (13), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:06,967 INFO L74 IsIncluded]: Start isIncluded. First operand 17 states. Second operand has 17 states, 12 states have (on average 1.0833333333333333) internal successors, (13), 12 states have internal predecessors, (13), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:06,967 INFO L87 Difference]: Start difference. First operand 17 states. Second operand has 17 states, 12 states have (on average 1.0833333333333333) internal successors, (13), 12 states have internal predecessors, (13), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:06,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:25:06,968 INFO L93 Difference]: Finished difference Result 17 states and 17 transitions. [2022-04-08 09:25:06,968 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2022-04-08 09:25:06,969 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:25:06,969 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:25:06,969 INFO L74 IsIncluded]: Start isIncluded. First operand has 17 states, 12 states have (on average 1.0833333333333333) internal successors, (13), 12 states have internal predecessors, (13), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 17 states. [2022-04-08 09:25:06,969 INFO L87 Difference]: Start difference. First operand has 17 states, 12 states have (on average 1.0833333333333333) internal successors, (13), 12 states have internal predecessors, (13), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 17 states. [2022-04-08 09:25:06,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:25:06,970 INFO L93 Difference]: Finished difference Result 17 states and 17 transitions. [2022-04-08 09:25:06,970 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2022-04-08 09:25:06,970 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:25:06,970 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:25:06,971 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 09:25:06,971 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 09:25:06,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 12 states have (on average 1.0833333333333333) internal successors, (13), 12 states have internal predecessors, (13), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:06,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2022-04-08 09:25:06,972 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 15 [2022-04-08 09:25:06,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 09:25:06,972 INFO L478 AbstractCegarLoop]: Abstraction has 17 states and 17 transitions. [2022-04-08 09:25:06,972 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.375) internal successors, (11), 7 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) [2022-04-08 09:25:06,972 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 17 states and 17 transitions. [2022-04-08 09:25:06,989 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:25:06,989 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2022-04-08 09:25:06,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-04-08 09:25:06,990 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 09:25:06,990 INFO L499 BasicCegarLoop]: trace histogram [5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 09:25:07,016 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-04-08 09:25:07,211 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 09:25:07,211 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 09:25:07,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 09:25:07,212 INFO L85 PathProgramCache]: Analyzing trace with hash -63863818, now seen corresponding path program 9 times [2022-04-08 09:25:07,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 09:25:07,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [647770485] [2022-04-08 09:25:07,215 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-08 09:25:07,215 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-08 09:25:07,215 INFO L85 PathProgramCache]: Analyzing trace with hash -63863818, now seen corresponding path program 10 times [2022-04-08 09:25:07,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 09:25:07,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640810340] [2022-04-08 09:25:07,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 09:25:07,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 09:25:07,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:25:07,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-08 09:25:07,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:25:07,342 INFO L290 TraceCheckUtils]: 0: Hoare triple {1070#(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(13, 2);call #Ultimate.allocInit(12, 3); {1059#true} is VALID [2022-04-08 09:25:07,343 INFO L290 TraceCheckUtils]: 1: Hoare triple {1059#true} assume true; {1059#true} is VALID [2022-04-08 09:25:07,343 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {1059#true} {1059#true} #34#return; {1059#true} is VALID [2022-04-08 09:25:07,344 INFO L272 TraceCheckUtils]: 0: Hoare triple {1059#true} call ULTIMATE.init(); {1070#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-08 09:25:07,344 INFO L290 TraceCheckUtils]: 1: Hoare triple {1070#(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(13, 2);call #Ultimate.allocInit(12, 3); {1059#true} is VALID [2022-04-08 09:25:07,344 INFO L290 TraceCheckUtils]: 2: Hoare triple {1059#true} assume true; {1059#true} is VALID [2022-04-08 09:25:07,344 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1059#true} {1059#true} #34#return; {1059#true} is VALID [2022-04-08 09:25:07,344 INFO L272 TraceCheckUtils]: 4: Hoare triple {1059#true} call #t~ret4 := main(); {1059#true} is VALID [2022-04-08 09:25:07,345 INFO L290 TraceCheckUtils]: 5: Hoare triple {1059#true} ~x~0 := 268435441; {1064#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:25:07,346 INFO L290 TraceCheckUtils]: 6: Hoare triple {1064#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {1065#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:25:07,346 INFO L290 TraceCheckUtils]: 7: Hoare triple {1065#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {1066#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:25:07,347 INFO L290 TraceCheckUtils]: 8: Hoare triple {1066#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {1067#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:25:07,348 INFO L290 TraceCheckUtils]: 9: Hoare triple {1067#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {1068#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:25:07,348 INFO L290 TraceCheckUtils]: 10: Hoare triple {1068#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {1069#(and (<= 268435431 main_~x~0) (<= (div main_~x~0 4294967296) 0))} is VALID [2022-04-08 09:25:07,349 INFO L290 TraceCheckUtils]: 11: Hoare triple {1069#(and (<= 268435431 main_~x~0) (<= (div main_~x~0 4294967296) 0))} assume !(~x~0 % 4294967296 > 1); {1060#false} is VALID [2022-04-08 09:25:07,349 INFO L272 TraceCheckUtils]: 12: Hoare triple {1060#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)); {1060#false} is VALID [2022-04-08 09:25:07,349 INFO L290 TraceCheckUtils]: 13: Hoare triple {1060#false} ~cond := #in~cond; {1060#false} is VALID [2022-04-08 09:25:07,349 INFO L290 TraceCheckUtils]: 14: Hoare triple {1060#false} assume 0 == ~cond; {1060#false} is VALID [2022-04-08 09:25:07,350 INFO L290 TraceCheckUtils]: 15: Hoare triple {1060#false} assume !false; {1060#false} is VALID [2022-04-08 09:25:07,350 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:25:07,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 09:25:07,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640810340] [2022-04-08 09:25:07,350 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640810340] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-08 09:25:07,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1925428788] [2022-04-08 09:25:07,350 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-08 09:25:07,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 09:25:07,351 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 09:25:07,352 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) [2022-04-08 09:25:07,363 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-04-08 09:25:07,416 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-08 09:25:07,416 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 09:25:07,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 13 conjunts are in the unsatisfiable core [2022-04-08 09:25:07,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:25:07,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 09:25:07,647 INFO L272 TraceCheckUtils]: 0: Hoare triple {1059#true} call ULTIMATE.init(); {1059#true} is VALID [2022-04-08 09:25:07,647 INFO L290 TraceCheckUtils]: 1: Hoare triple {1059#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(13, 2);call #Ultimate.allocInit(12, 3); {1059#true} is VALID [2022-04-08 09:25:07,648 INFO L290 TraceCheckUtils]: 2: Hoare triple {1059#true} assume true; {1059#true} is VALID [2022-04-08 09:25:07,648 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1059#true} {1059#true} #34#return; {1059#true} is VALID [2022-04-08 09:25:07,649 INFO L272 TraceCheckUtils]: 4: Hoare triple {1059#true} call #t~ret4 := main(); {1059#true} is VALID [2022-04-08 09:25:07,649 INFO L290 TraceCheckUtils]: 5: Hoare triple {1059#true} ~x~0 := 268435441; {1064#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:25:07,650 INFO L290 TraceCheckUtils]: 6: Hoare triple {1064#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {1065#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:25:07,651 INFO L290 TraceCheckUtils]: 7: Hoare triple {1065#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {1066#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:25:07,652 INFO L290 TraceCheckUtils]: 8: Hoare triple {1066#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {1067#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:25:07,652 INFO L290 TraceCheckUtils]: 9: Hoare triple {1067#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {1068#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:25:07,653 INFO L290 TraceCheckUtils]: 10: Hoare triple {1068#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {1104#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:25:07,654 INFO L290 TraceCheckUtils]: 11: Hoare triple {1104#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !(~x~0 % 4294967296 > 1); {1060#false} is VALID [2022-04-08 09:25:07,654 INFO L272 TraceCheckUtils]: 12: Hoare triple {1060#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)); {1060#false} is VALID [2022-04-08 09:25:07,654 INFO L290 TraceCheckUtils]: 13: Hoare triple {1060#false} ~cond := #in~cond; {1060#false} is VALID [2022-04-08 09:25:07,654 INFO L290 TraceCheckUtils]: 14: Hoare triple {1060#false} assume 0 == ~cond; {1060#false} is VALID [2022-04-08 09:25:07,654 INFO L290 TraceCheckUtils]: 15: Hoare triple {1060#false} assume !false; {1060#false} is VALID [2022-04-08 09:25:07,655 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:25:07,655 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 09:25:07,803 INFO L290 TraceCheckUtils]: 15: Hoare triple {1060#false} assume !false; {1060#false} is VALID [2022-04-08 09:25:07,804 INFO L290 TraceCheckUtils]: 14: Hoare triple {1060#false} assume 0 == ~cond; {1060#false} is VALID [2022-04-08 09:25:07,804 INFO L290 TraceCheckUtils]: 13: Hoare triple {1060#false} ~cond := #in~cond; {1060#false} is VALID [2022-04-08 09:25:07,804 INFO L272 TraceCheckUtils]: 12: Hoare triple {1060#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)); {1060#false} is VALID [2022-04-08 09:25:07,812 INFO L290 TraceCheckUtils]: 11: Hoare triple {1132#(< 1 (mod main_~x~0 4294967296))} assume !(~x~0 % 4294967296 > 1); {1060#false} is VALID [2022-04-08 09:25:07,814 INFO L290 TraceCheckUtils]: 10: Hoare triple {1136#(< 1 (mod (+ main_~x~0 4294967294) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {1132#(< 1 (mod main_~x~0 4294967296))} is VALID [2022-04-08 09:25:07,818 INFO L290 TraceCheckUtils]: 9: Hoare triple {1140#(< 1 (mod (+ 4294967292 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {1136#(< 1 (mod (+ main_~x~0 4294967294) 4294967296))} is VALID [2022-04-08 09:25:07,819 INFO L290 TraceCheckUtils]: 8: Hoare triple {1144#(< 1 (mod (+ 4294967290 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {1140#(< 1 (mod (+ 4294967292 main_~x~0) 4294967296))} is VALID [2022-04-08 09:25:07,820 INFO L290 TraceCheckUtils]: 7: Hoare triple {1148#(< 1 (mod (+ 4294967288 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {1144#(< 1 (mod (+ 4294967290 main_~x~0) 4294967296))} is VALID [2022-04-08 09:25:07,821 INFO L290 TraceCheckUtils]: 6: Hoare triple {1152#(< 1 (mod (+ main_~x~0 4294967286) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {1148#(< 1 (mod (+ 4294967288 main_~x~0) 4294967296))} is VALID [2022-04-08 09:25:07,821 INFO L290 TraceCheckUtils]: 5: Hoare triple {1059#true} ~x~0 := 268435441; {1152#(< 1 (mod (+ main_~x~0 4294967286) 4294967296))} is VALID [2022-04-08 09:25:07,822 INFO L272 TraceCheckUtils]: 4: Hoare triple {1059#true} call #t~ret4 := main(); {1059#true} is VALID [2022-04-08 09:25:07,822 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1059#true} {1059#true} #34#return; {1059#true} is VALID [2022-04-08 09:25:07,822 INFO L290 TraceCheckUtils]: 2: Hoare triple {1059#true} assume true; {1059#true} is VALID [2022-04-08 09:25:07,822 INFO L290 TraceCheckUtils]: 1: Hoare triple {1059#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(13, 2);call #Ultimate.allocInit(12, 3); {1059#true} is VALID [2022-04-08 09:25:07,822 INFO L272 TraceCheckUtils]: 0: Hoare triple {1059#true} call ULTIMATE.init(); {1059#true} is VALID [2022-04-08 09:25:07,822 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:25:07,823 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1925428788] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-08 09:25:07,823 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-08 09:25:07,823 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 16 [2022-04-08 09:25:07,823 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 09:25:07,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [647770485] [2022-04-08 09:25:07,824 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [647770485] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 09:25:07,824 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 09:25:07,824 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-04-08 09:25:07,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077517187] [2022-04-08 09:25:07,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 09:25:07,824 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 8 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 [2022-04-08 09:25:07,825 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 09:25:07,825 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 9 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 8 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) [2022-04-08 09:25:07,836 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:25:07,836 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-04-08 09:25:07,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 09:25:07,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-04-08 09:25:07,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2022-04-08 09:25:07,837 INFO L87 Difference]: Start difference. First operand 17 states and 17 transitions. Second operand has 9 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 8 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) [2022-04-08 09:25:08,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:25:08,067 INFO L93 Difference]: Finished difference Result 23 states and 23 transitions. [2022-04-08 09:25:08,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-04-08 09:25:08,067 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 8 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 [2022-04-08 09:25:08,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 09:25:08,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 8 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) [2022-04-08 09:25:08,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 23 transitions. [2022-04-08 09:25:08,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 8 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) [2022-04-08 09:25:08,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 23 transitions. [2022-04-08 09:25:08,070 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 9 states and 23 transitions. [2022-04-08 09:25:08,089 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 23 edges. 23 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:25:08,090 INFO L225 Difference]: With dead ends: 23 [2022-04-08 09:25:08,090 INFO L226 Difference]: Without dead ends: 18 [2022-04-08 09:25:08,091 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 27 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=147, Invalid=315, Unknown=0, NotChecked=0, Total=462 [2022-04-08 09:25:08,092 INFO L913 BasicCegarLoop]: 11 mSDtfsCounter, 6 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-08 09:25:08,092 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 43 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-08 09:25:08,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2022-04-08 09:25:08,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2022-04-08 09:25:08,104 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 09:25:08,104 INFO L82 GeneralOperation]: Start isEquivalent. First operand 18 states. Second operand has 18 states, 13 states have (on average 1.0769230769230769) internal successors, (14), 13 states have internal predecessors, (14), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:08,104 INFO L74 IsIncluded]: Start isIncluded. First operand 18 states. Second operand has 18 states, 13 states have (on average 1.0769230769230769) internal successors, (14), 13 states have internal predecessors, (14), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:08,105 INFO L87 Difference]: Start difference. First operand 18 states. Second operand has 18 states, 13 states have (on average 1.0769230769230769) internal successors, (14), 13 states have internal predecessors, (14), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:08,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:25:08,106 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2022-04-08 09:25:08,106 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2022-04-08 09:25:08,106 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:25:08,106 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:25:08,106 INFO L74 IsIncluded]: Start isIncluded. First operand has 18 states, 13 states have (on average 1.0769230769230769) internal successors, (14), 13 states have internal predecessors, (14), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 18 states. [2022-04-08 09:25:08,107 INFO L87 Difference]: Start difference. First operand has 18 states, 13 states have (on average 1.0769230769230769) internal successors, (14), 13 states have internal predecessors, (14), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 18 states. [2022-04-08 09:25:08,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:25:08,107 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2022-04-08 09:25:08,108 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2022-04-08 09:25:08,108 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:25:08,108 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:25:08,108 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 09:25:08,108 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 09:25:08,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 13 states have (on average 1.0769230769230769) internal successors, (14), 13 states have internal predecessors, (14), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:08,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2022-04-08 09:25:08,109 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 16 [2022-04-08 09:25:08,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 09:25:08,109 INFO L478 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2022-04-08 09:25:08,110 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 8 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) [2022-04-08 09:25:08,110 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 18 states and 18 transitions. [2022-04-08 09:25:08,127 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:25:08,127 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2022-04-08 09:25:08,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-04-08 09:25:08,128 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 09:25:08,128 INFO L499 BasicCegarLoop]: trace histogram [6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 09:25:08,152 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-04-08 09:25:08,344 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 09:25:08,345 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 09:25:08,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 09:25:08,345 INFO L85 PathProgramCache]: Analyzing trace with hash -1943317092, now seen corresponding path program 11 times [2022-04-08 09:25:08,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 09:25:08,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [717471482] [2022-04-08 09:25:08,348 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-08 09:25:08,348 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-08 09:25:08,348 INFO L85 PathProgramCache]: Analyzing trace with hash -1943317092, now seen corresponding path program 12 times [2022-04-08 09:25:08,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 09:25:08,348 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703385454] [2022-04-08 09:25:08,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 09:25:08,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 09:25:08,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:25:08,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-08 09:25:08,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:25:08,504 INFO L290 TraceCheckUtils]: 0: Hoare triple {1315#(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(13, 2);call #Ultimate.allocInit(12, 3); {1303#true} is VALID [2022-04-08 09:25:08,504 INFO L290 TraceCheckUtils]: 1: Hoare triple {1303#true} assume true; {1303#true} is VALID [2022-04-08 09:25:08,506 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {1303#true} {1303#true} #34#return; {1303#true} is VALID [2022-04-08 09:25:08,507 INFO L272 TraceCheckUtils]: 0: Hoare triple {1303#true} call ULTIMATE.init(); {1315#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-08 09:25:08,507 INFO L290 TraceCheckUtils]: 1: Hoare triple {1315#(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(13, 2);call #Ultimate.allocInit(12, 3); {1303#true} is VALID [2022-04-08 09:25:08,507 INFO L290 TraceCheckUtils]: 2: Hoare triple {1303#true} assume true; {1303#true} is VALID [2022-04-08 09:25:08,507 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1303#true} {1303#true} #34#return; {1303#true} is VALID [2022-04-08 09:25:08,508 INFO L272 TraceCheckUtils]: 4: Hoare triple {1303#true} call #t~ret4 := main(); {1303#true} is VALID [2022-04-08 09:25:08,508 INFO L290 TraceCheckUtils]: 5: Hoare triple {1303#true} ~x~0 := 268435441; {1308#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:25:08,509 INFO L290 TraceCheckUtils]: 6: Hoare triple {1308#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {1309#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:25:08,510 INFO L290 TraceCheckUtils]: 7: Hoare triple {1309#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {1310#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:25:08,510 INFO L290 TraceCheckUtils]: 8: Hoare triple {1310#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {1311#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:25:08,511 INFO L290 TraceCheckUtils]: 9: Hoare triple {1311#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {1312#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:25:08,512 INFO L290 TraceCheckUtils]: 10: Hoare triple {1312#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {1313#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:25:08,512 INFO L290 TraceCheckUtils]: 11: Hoare triple {1313#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {1314#(and (<= (div main_~x~0 4294967296) 0) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:25:08,513 INFO L290 TraceCheckUtils]: 12: Hoare triple {1314#(and (<= (div main_~x~0 4294967296) 0) (<= 268435429 main_~x~0))} assume !(~x~0 % 4294967296 > 1); {1304#false} is VALID [2022-04-08 09:25:08,513 INFO L272 TraceCheckUtils]: 13: Hoare triple {1304#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)); {1304#false} is VALID [2022-04-08 09:25:08,513 INFO L290 TraceCheckUtils]: 14: Hoare triple {1304#false} ~cond := #in~cond; {1304#false} is VALID [2022-04-08 09:25:08,514 INFO L290 TraceCheckUtils]: 15: Hoare triple {1304#false} assume 0 == ~cond; {1304#false} is VALID [2022-04-08 09:25:08,514 INFO L290 TraceCheckUtils]: 16: Hoare triple {1304#false} assume !false; {1304#false} is VALID [2022-04-08 09:25:08,514 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:25:08,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 09:25:08,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703385454] [2022-04-08 09:25:08,514 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [703385454] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-08 09:25:08,515 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1827986272] [2022-04-08 09:25:08,515 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-04-08 09:25:08,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 09:25:08,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 09:25:08,516 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) [2022-04-08 09:25:08,517 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-04-08 09:25:08,580 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2022-04-08 09:25:08,581 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 09:25:08,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 18 conjunts are in the unsatisfiable core [2022-04-08 09:25:08,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:25:08,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 09:25:08,698 INFO L272 TraceCheckUtils]: 0: Hoare triple {1303#true} call ULTIMATE.init(); {1303#true} is VALID [2022-04-08 09:25:08,699 INFO L290 TraceCheckUtils]: 1: Hoare triple {1303#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(13, 2);call #Ultimate.allocInit(12, 3); {1303#true} is VALID [2022-04-08 09:25:08,699 INFO L290 TraceCheckUtils]: 2: Hoare triple {1303#true} assume true; {1303#true} is VALID [2022-04-08 09:25:08,699 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1303#true} {1303#true} #34#return; {1303#true} is VALID [2022-04-08 09:25:08,699 INFO L272 TraceCheckUtils]: 4: Hoare triple {1303#true} call #t~ret4 := main(); {1303#true} is VALID [2022-04-08 09:25:08,700 INFO L290 TraceCheckUtils]: 5: Hoare triple {1303#true} ~x~0 := 268435441; {1308#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:25:08,700 INFO L290 TraceCheckUtils]: 6: Hoare triple {1308#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {1309#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:25:08,701 INFO L290 TraceCheckUtils]: 7: Hoare triple {1309#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {1310#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:25:08,702 INFO L290 TraceCheckUtils]: 8: Hoare triple {1310#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {1311#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:25:08,702 INFO L290 TraceCheckUtils]: 9: Hoare triple {1311#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {1312#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:25:08,703 INFO L290 TraceCheckUtils]: 10: Hoare triple {1312#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {1313#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:25:08,704 INFO L290 TraceCheckUtils]: 11: Hoare triple {1313#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {1352#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:25:08,704 INFO L290 TraceCheckUtils]: 12: Hoare triple {1352#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !(~x~0 % 4294967296 > 1); {1304#false} is VALID [2022-04-08 09:25:08,705 INFO L272 TraceCheckUtils]: 13: Hoare triple {1304#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)); {1304#false} is VALID [2022-04-08 09:25:08,705 INFO L290 TraceCheckUtils]: 14: Hoare triple {1304#false} ~cond := #in~cond; {1304#false} is VALID [2022-04-08 09:25:08,705 INFO L290 TraceCheckUtils]: 15: Hoare triple {1304#false} assume 0 == ~cond; {1304#false} is VALID [2022-04-08 09:25:08,705 INFO L290 TraceCheckUtils]: 16: Hoare triple {1304#false} assume !false; {1304#false} is VALID [2022-04-08 09:25:08,705 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:25:08,706 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 09:25:09,068 INFO L290 TraceCheckUtils]: 16: Hoare triple {1304#false} assume !false; {1304#false} is VALID [2022-04-08 09:25:09,074 INFO L290 TraceCheckUtils]: 15: Hoare triple {1371#(not (<= __VERIFIER_assert_~cond 0))} assume 0 == ~cond; {1304#false} is VALID [2022-04-08 09:25:09,074 INFO L290 TraceCheckUtils]: 14: Hoare triple {1375#(< 0 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {1371#(not (<= __VERIFIER_assert_~cond 0))} is VALID [2022-04-08 09:25:09,077 INFO L272 TraceCheckUtils]: 13: Hoare triple {1379#(= (mod main_~x~0 2) 0)} 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)); {1375#(< 0 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-08 09:25:09,078 INFO L290 TraceCheckUtils]: 12: Hoare triple {1383#(or (< 1 (mod main_~x~0 4294967296)) (= (mod main_~x~0 2) 0))} assume !(~x~0 % 4294967296 > 1); {1379#(= (mod main_~x~0 2) 0)} is VALID [2022-04-08 09:25:09,080 INFO L290 TraceCheckUtils]: 11: Hoare triple {1387#(or (< 1 (mod (+ main_~x~0 4294967294) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {1383#(or (< 1 (mod main_~x~0 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:09,082 INFO L290 TraceCheckUtils]: 10: Hoare triple {1391#(or (< 1 (mod (+ 4294967292 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {1387#(or (< 1 (mod (+ main_~x~0 4294967294) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:09,083 INFO L290 TraceCheckUtils]: 9: Hoare triple {1395#(or (< 1 (mod (+ 4294967290 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {1391#(or (< 1 (mod (+ 4294967292 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:09,085 INFO L290 TraceCheckUtils]: 8: Hoare triple {1399#(or (< 1 (mod (+ 4294967288 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {1395#(or (< 1 (mod (+ 4294967290 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:09,087 INFO L290 TraceCheckUtils]: 7: Hoare triple {1403#(or (< 1 (mod (+ main_~x~0 4294967286) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {1399#(or (< 1 (mod (+ 4294967288 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:09,088 INFO L290 TraceCheckUtils]: 6: Hoare triple {1407#(or (< 1 (mod (+ main_~x~0 4294967284) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {1403#(or (< 1 (mod (+ main_~x~0 4294967286) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:09,088 INFO L290 TraceCheckUtils]: 5: Hoare triple {1303#true} ~x~0 := 268435441; {1407#(or (< 1 (mod (+ main_~x~0 4294967284) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:09,088 INFO L272 TraceCheckUtils]: 4: Hoare triple {1303#true} call #t~ret4 := main(); {1303#true} is VALID [2022-04-08 09:25:09,089 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1303#true} {1303#true} #34#return; {1303#true} is VALID [2022-04-08 09:25:09,089 INFO L290 TraceCheckUtils]: 2: Hoare triple {1303#true} assume true; {1303#true} is VALID [2022-04-08 09:25:09,089 INFO L290 TraceCheckUtils]: 1: Hoare triple {1303#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(13, 2);call #Ultimate.allocInit(12, 3); {1303#true} is VALID [2022-04-08 09:25:09,089 INFO L272 TraceCheckUtils]: 0: Hoare triple {1303#true} call ULTIMATE.init(); {1303#true} is VALID [2022-04-08 09:25:09,090 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:25:09,090 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1827986272] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-08 09:25:09,090 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-08 09:25:09,090 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 12] total 21 [2022-04-08 09:25:09,090 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 09:25:09,090 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [717471482] [2022-04-08 09:25:09,091 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [717471482] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 09:25:09,091 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 09:25:09,091 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-04-08 09:25:09,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417921441] [2022-04-08 09:25:09,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 09:25:09,092 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.3) internal successors, (13), 9 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 [2022-04-08 09:25:09,092 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 09:25:09,092 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 10 states, 10 states have (on average 1.3) internal successors, (13), 9 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) [2022-04-08 09:25:09,111 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:25:09,112 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-04-08 09:25:09,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 09:25:09,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-04-08 09:25:09,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=311, Unknown=0, NotChecked=0, Total=420 [2022-04-08 09:25:09,113 INFO L87 Difference]: Start difference. First operand 18 states and 18 transitions. Second operand has 10 states, 10 states have (on average 1.3) internal successors, (13), 9 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) [2022-04-08 09:25:09,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:25:09,398 INFO L93 Difference]: Finished difference Result 24 states and 24 transitions. [2022-04-08 09:25:09,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-04-08 09:25:09,399 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.3) internal successors, (13), 9 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 [2022-04-08 09:25:09,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 09:25:09,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.3) internal successors, (13), 9 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) [2022-04-08 09:25:09,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 24 transitions. [2022-04-08 09:25:09,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.3) internal successors, (13), 9 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) [2022-04-08 09:25:09,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 24 transitions. [2022-04-08 09:25:09,402 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 10 states and 24 transitions. [2022-04-08 09:25:09,423 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:25:09,424 INFO L225 Difference]: With dead ends: 24 [2022-04-08 09:25:09,424 INFO L226 Difference]: Without dead ends: 19 [2022-04-08 09:25:09,424 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 25 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=198, Invalid=558, Unknown=0, NotChecked=0, Total=756 [2022-04-08 09:25:09,425 INFO L913 BasicCegarLoop]: 11 mSDtfsCounter, 6 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-08 09:25:09,425 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 38 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-08 09:25:09,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2022-04-08 09:25:09,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2022-04-08 09:25:09,440 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 09:25:09,441 INFO L82 GeneralOperation]: Start isEquivalent. First operand 19 states. Second operand has 19 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 14 states have internal predecessors, (15), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:09,441 INFO L74 IsIncluded]: Start isIncluded. First operand 19 states. Second operand has 19 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 14 states have internal predecessors, (15), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:09,441 INFO L87 Difference]: Start difference. First operand 19 states. Second operand has 19 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 14 states have internal predecessors, (15), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:09,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:25:09,442 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2022-04-08 09:25:09,442 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2022-04-08 09:25:09,442 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:25:09,443 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:25:09,443 INFO L74 IsIncluded]: Start isIncluded. First operand has 19 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 14 states have internal predecessors, (15), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 19 states. [2022-04-08 09:25:09,443 INFO L87 Difference]: Start difference. First operand has 19 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 14 states have internal predecessors, (15), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 19 states. [2022-04-08 09:25:09,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:25:09,444 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2022-04-08 09:25:09,444 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2022-04-08 09:25:09,444 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:25:09,445 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:25:09,445 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 09:25:09,445 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 09:25:09,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 14 states have internal predecessors, (15), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:09,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2022-04-08 09:25:09,446 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 17 [2022-04-08 09:25:09,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 09:25:09,446 INFO L478 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2022-04-08 09:25:09,446 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.3) internal successors, (13), 9 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) [2022-04-08 09:25:09,446 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 19 states and 19 transitions. [2022-04-08 09:25:09,465 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 19 edges. 19 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:25:09,466 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2022-04-08 09:25:09,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-04-08 09:25:09,466 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 09:25:09,466 INFO L499 BasicCegarLoop]: trace histogram [7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 09:25:09,474 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-04-08 09:25:09,671 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 09:25:09,672 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 09:25:09,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 09:25:09,672 INFO L85 PathProgramCache]: Analyzing trace with hash -76826442, now seen corresponding path program 13 times [2022-04-08 09:25:09,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 09:25:09,672 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [854063179] [2022-04-08 09:25:09,676 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-08 09:25:09,676 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-08 09:25:09,676 INFO L85 PathProgramCache]: Analyzing trace with hash -76826442, now seen corresponding path program 14 times [2022-04-08 09:25:09,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 09:25:09,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388604030] [2022-04-08 09:25:09,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 09:25:09,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 09:25:09,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:25:09,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-08 09:25:09,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:25:09,853 INFO L290 TraceCheckUtils]: 0: Hoare triple {1579#(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(13, 2);call #Ultimate.allocInit(12, 3); {1566#true} is VALID [2022-04-08 09:25:09,853 INFO L290 TraceCheckUtils]: 1: Hoare triple {1566#true} assume true; {1566#true} is VALID [2022-04-08 09:25:09,854 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {1566#true} {1566#true} #34#return; {1566#true} is VALID [2022-04-08 09:25:09,855 INFO L272 TraceCheckUtils]: 0: Hoare triple {1566#true} call ULTIMATE.init(); {1579#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-08 09:25:09,855 INFO L290 TraceCheckUtils]: 1: Hoare triple {1579#(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(13, 2);call #Ultimate.allocInit(12, 3); {1566#true} is VALID [2022-04-08 09:25:09,855 INFO L290 TraceCheckUtils]: 2: Hoare triple {1566#true} assume true; {1566#true} is VALID [2022-04-08 09:25:09,855 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1566#true} {1566#true} #34#return; {1566#true} is VALID [2022-04-08 09:25:09,856 INFO L272 TraceCheckUtils]: 4: Hoare triple {1566#true} call #t~ret4 := main(); {1566#true} is VALID [2022-04-08 09:25:09,856 INFO L290 TraceCheckUtils]: 5: Hoare triple {1566#true} ~x~0 := 268435441; {1571#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:25:09,857 INFO L290 TraceCheckUtils]: 6: Hoare triple {1571#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {1572#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:25:09,858 INFO L290 TraceCheckUtils]: 7: Hoare triple {1572#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {1573#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:25:09,858 INFO L290 TraceCheckUtils]: 8: Hoare triple {1573#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {1574#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:25:09,859 INFO L290 TraceCheckUtils]: 9: Hoare triple {1574#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {1575#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:25:09,859 INFO L290 TraceCheckUtils]: 10: Hoare triple {1575#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {1576#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:25:09,860 INFO L290 TraceCheckUtils]: 11: Hoare triple {1576#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {1577#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:25:09,861 INFO L290 TraceCheckUtils]: 12: Hoare triple {1577#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {1578#(and (<= (div main_~x~0 4294967296) 0) (<= 268435427 main_~x~0))} is VALID [2022-04-08 09:25:09,861 INFO L290 TraceCheckUtils]: 13: Hoare triple {1578#(and (<= (div main_~x~0 4294967296) 0) (<= 268435427 main_~x~0))} assume !(~x~0 % 4294967296 > 1); {1567#false} is VALID [2022-04-08 09:25:09,862 INFO L272 TraceCheckUtils]: 14: Hoare triple {1567#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)); {1567#false} is VALID [2022-04-08 09:25:09,862 INFO L290 TraceCheckUtils]: 15: Hoare triple {1567#false} ~cond := #in~cond; {1567#false} is VALID [2022-04-08 09:25:09,862 INFO L290 TraceCheckUtils]: 16: Hoare triple {1567#false} assume 0 == ~cond; {1567#false} is VALID [2022-04-08 09:25:09,862 INFO L290 TraceCheckUtils]: 17: Hoare triple {1567#false} assume !false; {1567#false} is VALID [2022-04-08 09:25:09,862 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:25:09,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 09:25:09,863 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388604030] [2022-04-08 09:25:09,863 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [388604030] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-08 09:25:09,863 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1568621110] [2022-04-08 09:25:09,863 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-08 09:25:09,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 09:25:09,864 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 09:25:09,864 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) [2022-04-08 09:25:09,890 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-04-08 09:25:09,909 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-08 09:25:09,910 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 09:25:09,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 20 conjunts are in the unsatisfiable core [2022-04-08 09:25:09,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:25:09,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 09:25:10,056 INFO L272 TraceCheckUtils]: 0: Hoare triple {1566#true} call ULTIMATE.init(); {1566#true} is VALID [2022-04-08 09:25:10,056 INFO L290 TraceCheckUtils]: 1: Hoare triple {1566#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(13, 2);call #Ultimate.allocInit(12, 3); {1566#true} is VALID [2022-04-08 09:25:10,056 INFO L290 TraceCheckUtils]: 2: Hoare triple {1566#true} assume true; {1566#true} is VALID [2022-04-08 09:25:10,056 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1566#true} {1566#true} #34#return; {1566#true} is VALID [2022-04-08 09:25:10,056 INFO L272 TraceCheckUtils]: 4: Hoare triple {1566#true} call #t~ret4 := main(); {1566#true} is VALID [2022-04-08 09:25:10,057 INFO L290 TraceCheckUtils]: 5: Hoare triple {1566#true} ~x~0 := 268435441; {1571#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:25:10,058 INFO L290 TraceCheckUtils]: 6: Hoare triple {1571#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {1572#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:25:10,058 INFO L290 TraceCheckUtils]: 7: Hoare triple {1572#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {1573#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:25:10,059 INFO L290 TraceCheckUtils]: 8: Hoare triple {1573#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {1574#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:25:10,060 INFO L290 TraceCheckUtils]: 9: Hoare triple {1574#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {1575#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:25:10,061 INFO L290 TraceCheckUtils]: 10: Hoare triple {1575#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {1576#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:25:10,061 INFO L290 TraceCheckUtils]: 11: Hoare triple {1576#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {1577#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:25:10,062 INFO L290 TraceCheckUtils]: 12: Hoare triple {1577#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {1619#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:25:10,063 INFO L290 TraceCheckUtils]: 13: Hoare triple {1619#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !(~x~0 % 4294967296 > 1); {1567#false} is VALID [2022-04-08 09:25:10,063 INFO L272 TraceCheckUtils]: 14: Hoare triple {1567#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)); {1567#false} is VALID [2022-04-08 09:25:10,063 INFO L290 TraceCheckUtils]: 15: Hoare triple {1567#false} ~cond := #in~cond; {1567#false} is VALID [2022-04-08 09:25:10,063 INFO L290 TraceCheckUtils]: 16: Hoare triple {1567#false} assume 0 == ~cond; {1567#false} is VALID [2022-04-08 09:25:10,063 INFO L290 TraceCheckUtils]: 17: Hoare triple {1567#false} assume !false; {1567#false} is VALID [2022-04-08 09:25:10,064 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:25:10,064 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 09:25:10,459 INFO L290 TraceCheckUtils]: 17: Hoare triple {1567#false} assume !false; {1567#false} is VALID [2022-04-08 09:25:10,459 INFO L290 TraceCheckUtils]: 16: Hoare triple {1638#(not (<= __VERIFIER_assert_~cond 0))} assume 0 == ~cond; {1567#false} is VALID [2022-04-08 09:25:10,460 INFO L290 TraceCheckUtils]: 15: Hoare triple {1642#(< 0 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {1638#(not (<= __VERIFIER_assert_~cond 0))} is VALID [2022-04-08 09:25:10,460 INFO L272 TraceCheckUtils]: 14: Hoare triple {1646#(= (mod main_~x~0 2) 0)} 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)); {1642#(< 0 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-08 09:25:10,461 INFO L290 TraceCheckUtils]: 13: Hoare triple {1650#(or (< 1 (mod main_~x~0 4294967296)) (= (mod main_~x~0 2) 0))} assume !(~x~0 % 4294967296 > 1); {1646#(= (mod main_~x~0 2) 0)} is VALID [2022-04-08 09:25:10,464 INFO L290 TraceCheckUtils]: 12: Hoare triple {1654#(or (< 1 (mod (+ main_~x~0 4294967294) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {1650#(or (< 1 (mod main_~x~0 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:10,465 INFO L290 TraceCheckUtils]: 11: Hoare triple {1658#(or (< 1 (mod (+ 4294967292 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {1654#(or (< 1 (mod (+ main_~x~0 4294967294) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:10,466 INFO L290 TraceCheckUtils]: 10: Hoare triple {1662#(or (< 1 (mod (+ 4294967290 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {1658#(or (< 1 (mod (+ 4294967292 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:10,469 INFO L290 TraceCheckUtils]: 9: Hoare triple {1666#(or (< 1 (mod (+ 4294967288 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {1662#(or (< 1 (mod (+ 4294967290 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:10,470 INFO L290 TraceCheckUtils]: 8: Hoare triple {1670#(or (< 1 (mod (+ main_~x~0 4294967286) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {1666#(or (< 1 (mod (+ 4294967288 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:10,471 INFO L290 TraceCheckUtils]: 7: Hoare triple {1674#(or (< 1 (mod (+ main_~x~0 4294967284) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {1670#(or (< 1 (mod (+ main_~x~0 4294967286) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:10,472 INFO L290 TraceCheckUtils]: 6: Hoare triple {1678#(or (< 1 (mod (+ 4294967282 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {1674#(or (< 1 (mod (+ main_~x~0 4294967284) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:10,473 INFO L290 TraceCheckUtils]: 5: Hoare triple {1566#true} ~x~0 := 268435441; {1678#(or (< 1 (mod (+ 4294967282 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:10,473 INFO L272 TraceCheckUtils]: 4: Hoare triple {1566#true} call #t~ret4 := main(); {1566#true} is VALID [2022-04-08 09:25:10,473 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1566#true} {1566#true} #34#return; {1566#true} is VALID [2022-04-08 09:25:10,474 INFO L290 TraceCheckUtils]: 2: Hoare triple {1566#true} assume true; {1566#true} is VALID [2022-04-08 09:25:10,474 INFO L290 TraceCheckUtils]: 1: Hoare triple {1566#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(13, 2);call #Ultimate.allocInit(12, 3); {1566#true} is VALID [2022-04-08 09:25:10,474 INFO L272 TraceCheckUtils]: 0: Hoare triple {1566#true} call ULTIMATE.init(); {1566#true} is VALID [2022-04-08 09:25:10,474 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:25:10,474 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1568621110] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-08 09:25:10,474 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-08 09:25:10,475 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 13] total 23 [2022-04-08 09:25:10,475 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 09:25:10,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [854063179] [2022-04-08 09:25:10,475 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [854063179] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 09:25:10,475 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 09:25:10,475 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-04-08 09:25:10,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889779933] [2022-04-08 09:25:10,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 09:25:10,476 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 10 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 [2022-04-08 09:25:10,477 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 09:25:10,477 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 11 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 10 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) [2022-04-08 09:25:10,493 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:25:10,493 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-04-08 09:25:10,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 09:25:10,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-04-08 09:25:10,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=375, Unknown=0, NotChecked=0, Total=506 [2022-04-08 09:25:10,494 INFO L87 Difference]: Start difference. First operand 19 states and 19 transitions. Second operand has 11 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 10 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) [2022-04-08 09:25:10,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:25:10,788 INFO L93 Difference]: Finished difference Result 25 states and 25 transitions. [2022-04-08 09:25:10,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-04-08 09:25:10,789 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 10 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 [2022-04-08 09:25:10,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 09:25:10,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 10 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) [2022-04-08 09:25:10,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 25 transitions. [2022-04-08 09:25:10,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 10 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) [2022-04-08 09:25:10,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 25 transitions. [2022-04-08 09:25:10,791 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 11 states and 25 transitions. [2022-04-08 09:25:10,812 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 25 edges. 25 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:25:10,812 INFO L225 Difference]: With dead ends: 25 [2022-04-08 09:25:10,812 INFO L226 Difference]: Without dead ends: 20 [2022-04-08 09:25:10,813 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 26 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=241, Invalid=689, Unknown=0, NotChecked=0, Total=930 [2022-04-08 09:25:10,814 INFO L913 BasicCegarLoop]: 11 mSDtfsCounter, 6 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-08 09:25:10,814 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 38 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-08 09:25:10,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2022-04-08 09:25:10,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2022-04-08 09:25:10,833 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 09:25:10,833 INFO L82 GeneralOperation]: Start isEquivalent. First operand 20 states. Second operand has 20 states, 15 states have (on average 1.0666666666666667) internal successors, (16), 15 states have internal predecessors, (16), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:10,833 INFO L74 IsIncluded]: Start isIncluded. First operand 20 states. Second operand has 20 states, 15 states have (on average 1.0666666666666667) internal successors, (16), 15 states have internal predecessors, (16), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:10,833 INFO L87 Difference]: Start difference. First operand 20 states. Second operand has 20 states, 15 states have (on average 1.0666666666666667) internal successors, (16), 15 states have internal predecessors, (16), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:10,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:25:10,834 INFO L93 Difference]: Finished difference Result 20 states and 20 transitions. [2022-04-08 09:25:10,834 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2022-04-08 09:25:10,835 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:25:10,835 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:25:10,835 INFO L74 IsIncluded]: Start isIncluded. First operand has 20 states, 15 states have (on average 1.0666666666666667) internal successors, (16), 15 states have internal predecessors, (16), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 20 states. [2022-04-08 09:25:10,835 INFO L87 Difference]: Start difference. First operand has 20 states, 15 states have (on average 1.0666666666666667) internal successors, (16), 15 states have internal predecessors, (16), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 20 states. [2022-04-08 09:25:10,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:25:10,836 INFO L93 Difference]: Finished difference Result 20 states and 20 transitions. [2022-04-08 09:25:10,836 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2022-04-08 09:25:10,836 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:25:10,836 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:25:10,837 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 09:25:10,837 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 09:25:10,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 15 states have (on average 1.0666666666666667) internal successors, (16), 15 states have internal predecessors, (16), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:10,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2022-04-08 09:25:10,838 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 20 transitions. Word has length 18 [2022-04-08 09:25:10,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 09:25:10,838 INFO L478 AbstractCegarLoop]: Abstraction has 20 states and 20 transitions. [2022-04-08 09:25:10,838 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 10 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) [2022-04-08 09:25:10,838 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 20 states and 20 transitions. [2022-04-08 09:25:10,855 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:25:10,856 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2022-04-08 09:25:10,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-04-08 09:25:10,856 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 09:25:10,856 INFO L499 BasicCegarLoop]: trace histogram [8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 09:25:10,872 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-04-08 09:25:11,057 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 09:25:11,057 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 09:25:11,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 09:25:11,058 INFO L85 PathProgramCache]: Analyzing trace with hash 1949808860, now seen corresponding path program 15 times [2022-04-08 09:25:11,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 09:25:11,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [118719987] [2022-04-08 09:25:11,061 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-08 09:25:11,061 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-08 09:25:11,061 INFO L85 PathProgramCache]: Analyzing trace with hash 1949808860, now seen corresponding path program 16 times [2022-04-08 09:25:11,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 09:25:11,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145851354] [2022-04-08 09:25:11,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 09:25:11,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 09:25:11,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:25:11,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-08 09:25:11,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:25:11,255 INFO L290 TraceCheckUtils]: 0: Hoare triple {1859#(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(13, 2);call #Ultimate.allocInit(12, 3); {1845#true} is VALID [2022-04-08 09:25:11,255 INFO L290 TraceCheckUtils]: 1: Hoare triple {1845#true} assume true; {1845#true} is VALID [2022-04-08 09:25:11,255 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {1845#true} {1845#true} #34#return; {1845#true} is VALID [2022-04-08 09:25:11,256 INFO L272 TraceCheckUtils]: 0: Hoare triple {1845#true} call ULTIMATE.init(); {1859#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-08 09:25:11,256 INFO L290 TraceCheckUtils]: 1: Hoare triple {1859#(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(13, 2);call #Ultimate.allocInit(12, 3); {1845#true} is VALID [2022-04-08 09:25:11,256 INFO L290 TraceCheckUtils]: 2: Hoare triple {1845#true} assume true; {1845#true} is VALID [2022-04-08 09:25:11,256 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1845#true} {1845#true} #34#return; {1845#true} is VALID [2022-04-08 09:25:11,256 INFO L272 TraceCheckUtils]: 4: Hoare triple {1845#true} call #t~ret4 := main(); {1845#true} is VALID [2022-04-08 09:25:11,257 INFO L290 TraceCheckUtils]: 5: Hoare triple {1845#true} ~x~0 := 268435441; {1850#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:25:11,258 INFO L290 TraceCheckUtils]: 6: Hoare triple {1850#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {1851#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:25:11,258 INFO L290 TraceCheckUtils]: 7: Hoare triple {1851#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {1852#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:25:11,259 INFO L290 TraceCheckUtils]: 8: Hoare triple {1852#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {1853#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:25:11,260 INFO L290 TraceCheckUtils]: 9: Hoare triple {1853#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {1854#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:25:11,261 INFO L290 TraceCheckUtils]: 10: Hoare triple {1854#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {1855#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:25:11,261 INFO L290 TraceCheckUtils]: 11: Hoare triple {1855#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {1856#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:25:11,262 INFO L290 TraceCheckUtils]: 12: Hoare triple {1856#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {1857#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:25:11,262 INFO L290 TraceCheckUtils]: 13: Hoare triple {1857#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {1858#(and (<= (div main_~x~0 4294967296) 0) (<= 268435425 main_~x~0))} is VALID [2022-04-08 09:25:11,267 INFO L290 TraceCheckUtils]: 14: Hoare triple {1858#(and (<= (div main_~x~0 4294967296) 0) (<= 268435425 main_~x~0))} assume !(~x~0 % 4294967296 > 1); {1846#false} is VALID [2022-04-08 09:25:11,267 INFO L272 TraceCheckUtils]: 15: Hoare triple {1846#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)); {1846#false} is VALID [2022-04-08 09:25:11,267 INFO L290 TraceCheckUtils]: 16: Hoare triple {1846#false} ~cond := #in~cond; {1846#false} is VALID [2022-04-08 09:25:11,268 INFO L290 TraceCheckUtils]: 17: Hoare triple {1846#false} assume 0 == ~cond; {1846#false} is VALID [2022-04-08 09:25:11,268 INFO L290 TraceCheckUtils]: 18: Hoare triple {1846#false} assume !false; {1846#false} is VALID [2022-04-08 09:25:11,268 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:25:11,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 09:25:11,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145851354] [2022-04-08 09:25:11,269 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [145851354] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-08 09:25:11,269 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [112101055] [2022-04-08 09:25:11,269 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-08 09:25:11,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 09:25:11,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 09:25:11,270 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) [2022-04-08 09:25:11,271 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-04-08 09:25:11,311 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-08 09:25:11,312 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 09:25:11,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 19 conjunts are in the unsatisfiable core [2022-04-08 09:25:11,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:25:11,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 09:25:11,552 INFO L272 TraceCheckUtils]: 0: Hoare triple {1845#true} call ULTIMATE.init(); {1845#true} is VALID [2022-04-08 09:25:11,552 INFO L290 TraceCheckUtils]: 1: Hoare triple {1845#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(13, 2);call #Ultimate.allocInit(12, 3); {1845#true} is VALID [2022-04-08 09:25:11,552 INFO L290 TraceCheckUtils]: 2: Hoare triple {1845#true} assume true; {1845#true} is VALID [2022-04-08 09:25:11,553 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1845#true} {1845#true} #34#return; {1845#true} is VALID [2022-04-08 09:25:11,553 INFO L272 TraceCheckUtils]: 4: Hoare triple {1845#true} call #t~ret4 := main(); {1845#true} is VALID [2022-04-08 09:25:11,553 INFO L290 TraceCheckUtils]: 5: Hoare triple {1845#true} ~x~0 := 268435441; {1850#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:25:11,554 INFO L290 TraceCheckUtils]: 6: Hoare triple {1850#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {1851#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:25:11,555 INFO L290 TraceCheckUtils]: 7: Hoare triple {1851#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {1852#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:25:11,555 INFO L290 TraceCheckUtils]: 8: Hoare triple {1852#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {1853#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:25:11,556 INFO L290 TraceCheckUtils]: 9: Hoare triple {1853#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {1854#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:25:11,557 INFO L290 TraceCheckUtils]: 10: Hoare triple {1854#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {1855#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:25:11,557 INFO L290 TraceCheckUtils]: 11: Hoare triple {1855#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {1856#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:25:11,558 INFO L290 TraceCheckUtils]: 12: Hoare triple {1856#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {1857#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:25:11,559 INFO L290 TraceCheckUtils]: 13: Hoare triple {1857#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {1902#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:25:11,559 INFO L290 TraceCheckUtils]: 14: Hoare triple {1902#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !(~x~0 % 4294967296 > 1); {1846#false} is VALID [2022-04-08 09:25:11,559 INFO L272 TraceCheckUtils]: 15: Hoare triple {1846#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)); {1846#false} is VALID [2022-04-08 09:25:11,560 INFO L290 TraceCheckUtils]: 16: Hoare triple {1846#false} ~cond := #in~cond; {1846#false} is VALID [2022-04-08 09:25:11,560 INFO L290 TraceCheckUtils]: 17: Hoare triple {1846#false} assume 0 == ~cond; {1846#false} is VALID [2022-04-08 09:25:11,560 INFO L290 TraceCheckUtils]: 18: Hoare triple {1846#false} assume !false; {1846#false} is VALID [2022-04-08 09:25:11,560 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:25:11,560 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 09:25:11,832 INFO L290 TraceCheckUtils]: 18: Hoare triple {1846#false} assume !false; {1846#false} is VALID [2022-04-08 09:25:11,832 INFO L290 TraceCheckUtils]: 17: Hoare triple {1846#false} assume 0 == ~cond; {1846#false} is VALID [2022-04-08 09:25:11,832 INFO L290 TraceCheckUtils]: 16: Hoare triple {1846#false} ~cond := #in~cond; {1846#false} is VALID [2022-04-08 09:25:11,833 INFO L272 TraceCheckUtils]: 15: Hoare triple {1846#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)); {1846#false} is VALID [2022-04-08 09:25:11,833 INFO L290 TraceCheckUtils]: 14: Hoare triple {1930#(< 1 (mod main_~x~0 4294967296))} assume !(~x~0 % 4294967296 > 1); {1846#false} is VALID [2022-04-08 09:25:11,834 INFO L290 TraceCheckUtils]: 13: Hoare triple {1934#(< 1 (mod (+ main_~x~0 4294967294) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {1930#(< 1 (mod main_~x~0 4294967296))} is VALID [2022-04-08 09:25:11,835 INFO L290 TraceCheckUtils]: 12: Hoare triple {1938#(< 1 (mod (+ 4294967292 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {1934#(< 1 (mod (+ main_~x~0 4294967294) 4294967296))} is VALID [2022-04-08 09:25:11,836 INFO L290 TraceCheckUtils]: 11: Hoare triple {1942#(< 1 (mod (+ 4294967290 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {1938#(< 1 (mod (+ 4294967292 main_~x~0) 4294967296))} is VALID [2022-04-08 09:25:11,837 INFO L290 TraceCheckUtils]: 10: Hoare triple {1946#(< 1 (mod (+ 4294967288 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {1942#(< 1 (mod (+ 4294967290 main_~x~0) 4294967296))} is VALID [2022-04-08 09:25:11,838 INFO L290 TraceCheckUtils]: 9: Hoare triple {1950#(< 1 (mod (+ main_~x~0 4294967286) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {1946#(< 1 (mod (+ 4294967288 main_~x~0) 4294967296))} is VALID [2022-04-08 09:25:11,839 INFO L290 TraceCheckUtils]: 8: Hoare triple {1954#(< 1 (mod (+ main_~x~0 4294967284) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {1950#(< 1 (mod (+ main_~x~0 4294967286) 4294967296))} is VALID [2022-04-08 09:25:11,839 INFO L290 TraceCheckUtils]: 7: Hoare triple {1958#(< 1 (mod (+ 4294967282 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {1954#(< 1 (mod (+ main_~x~0 4294967284) 4294967296))} is VALID [2022-04-08 09:25:11,841 INFO L290 TraceCheckUtils]: 6: Hoare triple {1962#(< 1 (mod (+ main_~x~0 4294967280) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {1958#(< 1 (mod (+ 4294967282 main_~x~0) 4294967296))} is VALID [2022-04-08 09:25:11,841 INFO L290 TraceCheckUtils]: 5: Hoare triple {1845#true} ~x~0 := 268435441; {1962#(< 1 (mod (+ main_~x~0 4294967280) 4294967296))} is VALID [2022-04-08 09:25:11,842 INFO L272 TraceCheckUtils]: 4: Hoare triple {1845#true} call #t~ret4 := main(); {1845#true} is VALID [2022-04-08 09:25:11,842 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {1845#true} {1845#true} #34#return; {1845#true} is VALID [2022-04-08 09:25:11,842 INFO L290 TraceCheckUtils]: 2: Hoare triple {1845#true} assume true; {1845#true} is VALID [2022-04-08 09:25:11,842 INFO L290 TraceCheckUtils]: 1: Hoare triple {1845#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(13, 2);call #Ultimate.allocInit(12, 3); {1845#true} is VALID [2022-04-08 09:25:11,842 INFO L272 TraceCheckUtils]: 0: Hoare triple {1845#true} call ULTIMATE.init(); {1845#true} is VALID [2022-04-08 09:25:11,842 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:25:11,843 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [112101055] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-08 09:25:11,843 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-08 09:25:11,843 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 22 [2022-04-08 09:25:11,843 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 09:25:11,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [118719987] [2022-04-08 09:25:11,843 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [118719987] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 09:25:11,844 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 09:25:11,844 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-04-08 09:25:11,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298249874] [2022-04-08 09:25:11,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 09:25:11,844 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 1.25) internal successors, (15), 11 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 [2022-04-08 09:25:11,844 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 09:25:11,845 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 12 states, 12 states have (on average 1.25) internal successors, (15), 11 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) [2022-04-08 09:25:11,865 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 19 edges. 19 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:25:11,865 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-04-08 09:25:11,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 09:25:11,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-04-08 09:25:11,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=322, Unknown=0, NotChecked=0, Total=462 [2022-04-08 09:25:11,866 INFO L87 Difference]: Start difference. First operand 20 states and 20 transitions. Second operand has 12 states, 12 states have (on average 1.25) internal successors, (15), 11 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) [2022-04-08 09:25:12,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:25:12,194 INFO L93 Difference]: Finished difference Result 26 states and 26 transitions. [2022-04-08 09:25:12,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-04-08 09:25:12,194 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 1.25) internal successors, (15), 11 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 [2022-04-08 09:25:12,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 09:25:12,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.25) internal successors, (15), 11 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) [2022-04-08 09:25:12,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 26 transitions. [2022-04-08 09:25:12,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.25) internal successors, (15), 11 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) [2022-04-08 09:25:12,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 26 transitions. [2022-04-08 09:25:12,208 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 12 states and 26 transitions. [2022-04-08 09:25:12,233 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 26 edges. 26 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:25:12,234 INFO L225 Difference]: With dead ends: 26 [2022-04-08 09:25:12,234 INFO L226 Difference]: Without dead ends: 21 [2022-04-08 09:25:12,235 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 30 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=273, Invalid=657, Unknown=0, NotChecked=0, Total=930 [2022-04-08 09:25:12,236 INFO L913 BasicCegarLoop]: 11 mSDtfsCounter, 6 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-08 09:25:12,237 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 38 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-08 09:25:12,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2022-04-08 09:25:12,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2022-04-08 09:25:12,255 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 09:25:12,255 INFO L82 GeneralOperation]: Start isEquivalent. First operand 21 states. Second operand has 21 states, 16 states have (on average 1.0625) internal successors, (17), 16 states have internal predecessors, (17), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:12,255 INFO L74 IsIncluded]: Start isIncluded. First operand 21 states. Second operand has 21 states, 16 states have (on average 1.0625) internal successors, (17), 16 states have internal predecessors, (17), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:12,255 INFO L87 Difference]: Start difference. First operand 21 states. Second operand has 21 states, 16 states have (on average 1.0625) internal successors, (17), 16 states have internal predecessors, (17), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:12,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:25:12,256 INFO L93 Difference]: Finished difference Result 21 states and 21 transitions. [2022-04-08 09:25:12,256 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2022-04-08 09:25:12,256 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:25:12,257 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:25:12,257 INFO L74 IsIncluded]: Start isIncluded. First operand has 21 states, 16 states have (on average 1.0625) internal successors, (17), 16 states have internal predecessors, (17), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 21 states. [2022-04-08 09:25:12,257 INFO L87 Difference]: Start difference. First operand has 21 states, 16 states have (on average 1.0625) internal successors, (17), 16 states have internal predecessors, (17), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 21 states. [2022-04-08 09:25:12,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:25:12,258 INFO L93 Difference]: Finished difference Result 21 states and 21 transitions. [2022-04-08 09:25:12,258 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2022-04-08 09:25:12,258 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:25:12,258 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:25:12,258 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 09:25:12,258 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 09:25:12,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 16 states have (on average 1.0625) internal successors, (17), 16 states have internal predecessors, (17), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:12,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2022-04-08 09:25:12,259 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 19 [2022-04-08 09:25:12,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 09:25:12,260 INFO L478 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2022-04-08 09:25:12,260 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 1.25) internal successors, (15), 11 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) [2022-04-08 09:25:12,260 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 21 states and 21 transitions. [2022-04-08 09:25:12,277 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 21 edges. 21 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:25:12,278 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2022-04-08 09:25:12,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-04-08 09:25:12,278 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 09:25:12,278 INFO L499 BasicCegarLoop]: trace histogram [9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 09:25:12,295 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-04-08 09:25:12,478 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-04-08 09:25:12,479 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 09:25:12,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 09:25:12,479 INFO L85 PathProgramCache]: Analyzing trace with hash 350993782, now seen corresponding path program 17 times [2022-04-08 09:25:12,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 09:25:12,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [817254294] [2022-04-08 09:25:12,482 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-08 09:25:12,482 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-08 09:25:12,482 INFO L85 PathProgramCache]: Analyzing trace with hash 350993782, now seen corresponding path program 18 times [2022-04-08 09:25:12,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 09:25:12,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761467110] [2022-04-08 09:25:12,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 09:25:12,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 09:25:12,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:25:12,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-08 09:25:12,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:25:12,665 INFO L290 TraceCheckUtils]: 0: Hoare triple {2152#(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(13, 2);call #Ultimate.allocInit(12, 3); {2137#true} is VALID [2022-04-08 09:25:12,666 INFO L290 TraceCheckUtils]: 1: Hoare triple {2137#true} assume true; {2137#true} is VALID [2022-04-08 09:25:12,666 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {2137#true} {2137#true} #34#return; {2137#true} is VALID [2022-04-08 09:25:12,667 INFO L272 TraceCheckUtils]: 0: Hoare triple {2137#true} call ULTIMATE.init(); {2152#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-08 09:25:12,667 INFO L290 TraceCheckUtils]: 1: Hoare triple {2152#(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(13, 2);call #Ultimate.allocInit(12, 3); {2137#true} is VALID [2022-04-08 09:25:12,667 INFO L290 TraceCheckUtils]: 2: Hoare triple {2137#true} assume true; {2137#true} is VALID [2022-04-08 09:25:12,667 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {2137#true} {2137#true} #34#return; {2137#true} is VALID [2022-04-08 09:25:12,667 INFO L272 TraceCheckUtils]: 4: Hoare triple {2137#true} call #t~ret4 := main(); {2137#true} is VALID [2022-04-08 09:25:12,668 INFO L290 TraceCheckUtils]: 5: Hoare triple {2137#true} ~x~0 := 268435441; {2142#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:25:12,668 INFO L290 TraceCheckUtils]: 6: Hoare triple {2142#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {2143#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:25:12,669 INFO L290 TraceCheckUtils]: 7: Hoare triple {2143#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {2144#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:25:12,670 INFO L290 TraceCheckUtils]: 8: Hoare triple {2144#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {2145#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:25:12,670 INFO L290 TraceCheckUtils]: 9: Hoare triple {2145#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {2146#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:25:12,671 INFO L290 TraceCheckUtils]: 10: Hoare triple {2146#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {2147#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:25:12,672 INFO L290 TraceCheckUtils]: 11: Hoare triple {2147#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {2148#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:25:12,672 INFO L290 TraceCheckUtils]: 12: Hoare triple {2148#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {2149#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:25:12,673 INFO L290 TraceCheckUtils]: 13: Hoare triple {2149#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {2150#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:25:12,674 INFO L290 TraceCheckUtils]: 14: Hoare triple {2150#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {2151#(and (<= (div main_~x~0 4294967296) 0) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:25:12,674 INFO L290 TraceCheckUtils]: 15: Hoare triple {2151#(and (<= (div main_~x~0 4294967296) 0) (<= 268435423 main_~x~0))} assume !(~x~0 % 4294967296 > 1); {2138#false} is VALID [2022-04-08 09:25:12,674 INFO L272 TraceCheckUtils]: 16: Hoare triple {2138#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)); {2138#false} is VALID [2022-04-08 09:25:12,675 INFO L290 TraceCheckUtils]: 17: Hoare triple {2138#false} ~cond := #in~cond; {2138#false} is VALID [2022-04-08 09:25:12,675 INFO L290 TraceCheckUtils]: 18: Hoare triple {2138#false} assume 0 == ~cond; {2138#false} is VALID [2022-04-08 09:25:12,675 INFO L290 TraceCheckUtils]: 19: Hoare triple {2138#false} assume !false; {2138#false} is VALID [2022-04-08 09:25:12,675 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:25:12,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 09:25:12,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761467110] [2022-04-08 09:25:12,676 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761467110] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-08 09:25:12,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [921993124] [2022-04-08 09:25:12,676 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-04-08 09:25:12,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 09:25:12,677 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 09:25:12,678 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) [2022-04-08 09:25:12,680 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-04-08 09:25:12,747 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2022-04-08 09:25:12,747 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 09:25:12,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 24 conjunts are in the unsatisfiable core [2022-04-08 09:25:12,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:25:12,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 09:25:12,917 INFO L272 TraceCheckUtils]: 0: Hoare triple {2137#true} call ULTIMATE.init(); {2137#true} is VALID [2022-04-08 09:25:12,917 INFO L290 TraceCheckUtils]: 1: Hoare triple {2137#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(13, 2);call #Ultimate.allocInit(12, 3); {2137#true} is VALID [2022-04-08 09:25:12,918 INFO L290 TraceCheckUtils]: 2: Hoare triple {2137#true} assume true; {2137#true} is VALID [2022-04-08 09:25:12,918 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {2137#true} {2137#true} #34#return; {2137#true} is VALID [2022-04-08 09:25:12,918 INFO L272 TraceCheckUtils]: 4: Hoare triple {2137#true} call #t~ret4 := main(); {2137#true} is VALID [2022-04-08 09:25:12,918 INFO L290 TraceCheckUtils]: 5: Hoare triple {2137#true} ~x~0 := 268435441; {2142#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:25:12,919 INFO L290 TraceCheckUtils]: 6: Hoare triple {2142#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {2143#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:25:12,920 INFO L290 TraceCheckUtils]: 7: Hoare triple {2143#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {2144#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:25:12,920 INFO L290 TraceCheckUtils]: 8: Hoare triple {2144#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {2145#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:25:12,921 INFO L290 TraceCheckUtils]: 9: Hoare triple {2145#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {2146#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:25:12,922 INFO L290 TraceCheckUtils]: 10: Hoare triple {2146#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {2147#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:25:12,922 INFO L290 TraceCheckUtils]: 11: Hoare triple {2147#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {2148#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:25:12,923 INFO L290 TraceCheckUtils]: 12: Hoare triple {2148#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {2149#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:25:12,924 INFO L290 TraceCheckUtils]: 13: Hoare triple {2149#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {2150#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:25:12,924 INFO L290 TraceCheckUtils]: 14: Hoare triple {2150#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {2198#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:25:12,925 INFO L290 TraceCheckUtils]: 15: Hoare triple {2198#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !(~x~0 % 4294967296 > 1); {2138#false} is VALID [2022-04-08 09:25:12,925 INFO L272 TraceCheckUtils]: 16: Hoare triple {2138#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)); {2138#false} is VALID [2022-04-08 09:25:12,925 INFO L290 TraceCheckUtils]: 17: Hoare triple {2138#false} ~cond := #in~cond; {2138#false} is VALID [2022-04-08 09:25:12,925 INFO L290 TraceCheckUtils]: 18: Hoare triple {2138#false} assume 0 == ~cond; {2138#false} is VALID [2022-04-08 09:25:12,926 INFO L290 TraceCheckUtils]: 19: Hoare triple {2138#false} assume !false; {2138#false} is VALID [2022-04-08 09:25:12,926 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:25:12,926 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 09:25:13,420 INFO L290 TraceCheckUtils]: 19: Hoare triple {2138#false} assume !false; {2138#false} is VALID [2022-04-08 09:25:13,421 INFO L290 TraceCheckUtils]: 18: Hoare triple {2217#(not (<= __VERIFIER_assert_~cond 0))} assume 0 == ~cond; {2138#false} is VALID [2022-04-08 09:25:13,421 INFO L290 TraceCheckUtils]: 17: Hoare triple {2221#(< 0 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {2217#(not (<= __VERIFIER_assert_~cond 0))} is VALID [2022-04-08 09:25:13,422 INFO L272 TraceCheckUtils]: 16: Hoare triple {2225#(= (mod main_~x~0 2) 0)} 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)); {2221#(< 0 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-08 09:25:13,422 INFO L290 TraceCheckUtils]: 15: Hoare triple {2229#(or (< 1 (mod main_~x~0 4294967296)) (= (mod main_~x~0 2) 0))} assume !(~x~0 % 4294967296 > 1); {2225#(= (mod main_~x~0 2) 0)} is VALID [2022-04-08 09:25:13,424 INFO L290 TraceCheckUtils]: 14: Hoare triple {2233#(or (< 1 (mod (+ main_~x~0 4294967294) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {2229#(or (< 1 (mod main_~x~0 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:13,425 INFO L290 TraceCheckUtils]: 13: Hoare triple {2237#(or (< 1 (mod (+ 4294967292 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {2233#(or (< 1 (mod (+ main_~x~0 4294967294) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:13,426 INFO L290 TraceCheckUtils]: 12: Hoare triple {2241#(or (< 1 (mod (+ 4294967290 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {2237#(or (< 1 (mod (+ 4294967292 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:13,427 INFO L290 TraceCheckUtils]: 11: Hoare triple {2245#(or (< 1 (mod (+ 4294967288 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {2241#(or (< 1 (mod (+ 4294967290 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:13,430 INFO L290 TraceCheckUtils]: 10: Hoare triple {2249#(or (< 1 (mod (+ main_~x~0 4294967286) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {2245#(or (< 1 (mod (+ 4294967288 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:13,435 INFO L290 TraceCheckUtils]: 9: Hoare triple {2253#(or (< 1 (mod (+ main_~x~0 4294967284) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {2249#(or (< 1 (mod (+ main_~x~0 4294967286) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:13,436 INFO L290 TraceCheckUtils]: 8: Hoare triple {2257#(or (< 1 (mod (+ 4294967282 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {2253#(or (< 1 (mod (+ main_~x~0 4294967284) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:13,439 INFO L290 TraceCheckUtils]: 7: Hoare triple {2261#(or (< 1 (mod (+ main_~x~0 4294967280) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {2257#(or (< 1 (mod (+ 4294967282 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:13,440 INFO L290 TraceCheckUtils]: 6: Hoare triple {2265#(or (< 1 (mod (+ main_~x~0 4294967278) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {2261#(or (< 1 (mod (+ main_~x~0 4294967280) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:13,440 INFO L290 TraceCheckUtils]: 5: Hoare triple {2137#true} ~x~0 := 268435441; {2265#(or (< 1 (mod (+ main_~x~0 4294967278) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:13,440 INFO L272 TraceCheckUtils]: 4: Hoare triple {2137#true} call #t~ret4 := main(); {2137#true} is VALID [2022-04-08 09:25:13,440 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {2137#true} {2137#true} #34#return; {2137#true} is VALID [2022-04-08 09:25:13,441 INFO L290 TraceCheckUtils]: 2: Hoare triple {2137#true} assume true; {2137#true} is VALID [2022-04-08 09:25:13,441 INFO L290 TraceCheckUtils]: 1: Hoare triple {2137#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(13, 2);call #Ultimate.allocInit(12, 3); {2137#true} is VALID [2022-04-08 09:25:13,441 INFO L272 TraceCheckUtils]: 0: Hoare triple {2137#true} call ULTIMATE.init(); {2137#true} is VALID [2022-04-08 09:25:13,441 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:25:13,441 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [921993124] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-08 09:25:13,442 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-08 09:25:13,442 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 15] total 27 [2022-04-08 09:25:13,442 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 09:25:13,442 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [817254294] [2022-04-08 09:25:13,442 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [817254294] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 09:25:13,442 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 09:25:13,442 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-04-08 09:25:13,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980944245] [2022-04-08 09:25:13,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 09:25:13,443 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 12 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 [2022-04-08 09:25:13,443 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 09:25:13,443 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 13 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 12 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) [2022-04-08 09:25:13,457 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:25:13,457 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-04-08 09:25:13,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 09:25:13,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-04-08 09:25:13,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=181, Invalid=521, Unknown=0, NotChecked=0, Total=702 [2022-04-08 09:25:13,458 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand has 13 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 12 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) [2022-04-08 09:25:13,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:25:13,812 INFO L93 Difference]: Finished difference Result 27 states and 27 transitions. [2022-04-08 09:25:13,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-04-08 09:25:13,813 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 12 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 [2022-04-08 09:25:13,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 09:25:13,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 12 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) [2022-04-08 09:25:13,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 27 transitions. [2022-04-08 09:25:13,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 12 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) [2022-04-08 09:25:13,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 27 transitions. [2022-04-08 09:25:13,815 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 13 states and 27 transitions. [2022-04-08 09:25:13,838 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 27 edges. 27 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:25:13,839 INFO L225 Difference]: With dead ends: 27 [2022-04-08 09:25:13,839 INFO L226 Difference]: Without dead ends: 22 [2022-04-08 09:25:13,840 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 28 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=339, Invalid=993, Unknown=0, NotChecked=0, Total=1332 [2022-04-08 09:25:13,841 INFO L913 BasicCegarLoop]: 11 mSDtfsCounter, 6 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-08 09:25:13,841 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 28 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-08 09:25:13,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2022-04-08 09:25:13,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2022-04-08 09:25:13,861 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 09:25:13,862 INFO L82 GeneralOperation]: Start isEquivalent. First operand 22 states. Second operand has 22 states, 17 states have (on average 1.0588235294117647) internal successors, (18), 17 states have internal predecessors, (18), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:13,862 INFO L74 IsIncluded]: Start isIncluded. First operand 22 states. Second operand has 22 states, 17 states have (on average 1.0588235294117647) internal successors, (18), 17 states have internal predecessors, (18), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:13,862 INFO L87 Difference]: Start difference. First operand 22 states. Second operand has 22 states, 17 states have (on average 1.0588235294117647) internal successors, (18), 17 states have internal predecessors, (18), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:13,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:25:13,863 INFO L93 Difference]: Finished difference Result 22 states and 22 transitions. [2022-04-08 09:25:13,863 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 22 transitions. [2022-04-08 09:25:13,863 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:25:13,863 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:25:13,863 INFO L74 IsIncluded]: Start isIncluded. First operand has 22 states, 17 states have (on average 1.0588235294117647) internal successors, (18), 17 states have internal predecessors, (18), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 22 states. [2022-04-08 09:25:13,863 INFO L87 Difference]: Start difference. First operand has 22 states, 17 states have (on average 1.0588235294117647) internal successors, (18), 17 states have internal predecessors, (18), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 22 states. [2022-04-08 09:25:13,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:25:13,864 INFO L93 Difference]: Finished difference Result 22 states and 22 transitions. [2022-04-08 09:25:13,864 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 22 transitions. [2022-04-08 09:25:13,864 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:25:13,864 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:25:13,864 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 09:25:13,865 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 09:25:13,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 17 states have (on average 1.0588235294117647) internal successors, (18), 17 states have internal predecessors, (18), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:13,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 22 transitions. [2022-04-08 09:25:13,865 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 22 transitions. Word has length 20 [2022-04-08 09:25:13,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 09:25:13,866 INFO L478 AbstractCegarLoop]: Abstraction has 22 states and 22 transitions. [2022-04-08 09:25:13,866 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 12 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) [2022-04-08 09:25:13,866 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 22 states and 22 transitions. [2022-04-08 09:25:13,886 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 22 edges. 22 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:25:13,886 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 22 transitions. [2022-04-08 09:25:13,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-04-08 09:25:13,887 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 09:25:13,887 INFO L499 BasicCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 09:25:13,892 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-04-08 09:25:14,087 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 09:25:14,088 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 09:25:14,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 09:25:14,088 INFO L85 PathProgramCache]: Analyzing trace with hash -1967633380, now seen corresponding path program 19 times [2022-04-08 09:25:14,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 09:25:14,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1832810996] [2022-04-08 09:25:14,090 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-08 09:25:14,090 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-08 09:25:14,091 INFO L85 PathProgramCache]: Analyzing trace with hash -1967633380, now seen corresponding path program 20 times [2022-04-08 09:25:14,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 09:25:14,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397964385] [2022-04-08 09:25:14,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 09:25:14,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 09:25:14,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:25:14,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-08 09:25:14,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:25:14,276 INFO L290 TraceCheckUtils]: 0: Hoare triple {2464#(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(13, 2);call #Ultimate.allocInit(12, 3); {2448#true} is VALID [2022-04-08 09:25:14,277 INFO L290 TraceCheckUtils]: 1: Hoare triple {2448#true} assume true; {2448#true} is VALID [2022-04-08 09:25:14,277 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {2448#true} {2448#true} #34#return; {2448#true} is VALID [2022-04-08 09:25:14,277 INFO L272 TraceCheckUtils]: 0: Hoare triple {2448#true} call ULTIMATE.init(); {2464#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-08 09:25:14,278 INFO L290 TraceCheckUtils]: 1: Hoare triple {2464#(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(13, 2);call #Ultimate.allocInit(12, 3); {2448#true} is VALID [2022-04-08 09:25:14,278 INFO L290 TraceCheckUtils]: 2: Hoare triple {2448#true} assume true; {2448#true} is VALID [2022-04-08 09:25:14,278 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {2448#true} {2448#true} #34#return; {2448#true} is VALID [2022-04-08 09:25:14,278 INFO L272 TraceCheckUtils]: 4: Hoare triple {2448#true} call #t~ret4 := main(); {2448#true} is VALID [2022-04-08 09:25:14,278 INFO L290 TraceCheckUtils]: 5: Hoare triple {2448#true} ~x~0 := 268435441; {2453#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:25:14,280 INFO L290 TraceCheckUtils]: 6: Hoare triple {2453#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {2454#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:25:14,280 INFO L290 TraceCheckUtils]: 7: Hoare triple {2454#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {2455#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:25:14,283 INFO L290 TraceCheckUtils]: 8: Hoare triple {2455#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {2456#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:25:14,284 INFO L290 TraceCheckUtils]: 9: Hoare triple {2456#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {2457#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:25:14,286 INFO L290 TraceCheckUtils]: 10: Hoare triple {2457#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {2458#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:25:14,287 INFO L290 TraceCheckUtils]: 11: Hoare triple {2458#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {2459#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:25:14,288 INFO L290 TraceCheckUtils]: 12: Hoare triple {2459#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {2460#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:25:14,288 INFO L290 TraceCheckUtils]: 13: Hoare triple {2460#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {2461#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:25:14,289 INFO L290 TraceCheckUtils]: 14: Hoare triple {2461#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {2462#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:25:14,290 INFO L290 TraceCheckUtils]: 15: Hoare triple {2462#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {2463#(and (<= 268435421 main_~x~0) (<= (div main_~x~0 4294967296) 0))} is VALID [2022-04-08 09:25:14,290 INFO L290 TraceCheckUtils]: 16: Hoare triple {2463#(and (<= 268435421 main_~x~0) (<= (div main_~x~0 4294967296) 0))} assume !(~x~0 % 4294967296 > 1); {2449#false} is VALID [2022-04-08 09:25:14,290 INFO L272 TraceCheckUtils]: 17: Hoare triple {2449#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)); {2449#false} is VALID [2022-04-08 09:25:14,290 INFO L290 TraceCheckUtils]: 18: Hoare triple {2449#false} ~cond := #in~cond; {2449#false} is VALID [2022-04-08 09:25:14,291 INFO L290 TraceCheckUtils]: 19: Hoare triple {2449#false} assume 0 == ~cond; {2449#false} is VALID [2022-04-08 09:25:14,291 INFO L290 TraceCheckUtils]: 20: Hoare triple {2449#false} assume !false; {2449#false} is VALID [2022-04-08 09:25:14,291 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:25:14,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 09:25:14,292 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397964385] [2022-04-08 09:25:14,292 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397964385] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-08 09:25:14,292 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2073144810] [2022-04-08 09:25:14,292 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-08 09:25:14,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 09:25:14,292 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 09:25:14,296 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) [2022-04-08 09:25:14,301 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-04-08 09:25:14,329 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-08 09:25:14,329 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 09:25:14,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 26 conjunts are in the unsatisfiable core [2022-04-08 09:25:14,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:25:14,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 09:25:14,501 INFO L272 TraceCheckUtils]: 0: Hoare triple {2448#true} call ULTIMATE.init(); {2448#true} is VALID [2022-04-08 09:25:14,501 INFO L290 TraceCheckUtils]: 1: Hoare triple {2448#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(13, 2);call #Ultimate.allocInit(12, 3); {2448#true} is VALID [2022-04-08 09:25:14,501 INFO L290 TraceCheckUtils]: 2: Hoare triple {2448#true} assume true; {2448#true} is VALID [2022-04-08 09:25:14,501 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {2448#true} {2448#true} #34#return; {2448#true} is VALID [2022-04-08 09:25:14,501 INFO L272 TraceCheckUtils]: 4: Hoare triple {2448#true} call #t~ret4 := main(); {2448#true} is VALID [2022-04-08 09:25:14,502 INFO L290 TraceCheckUtils]: 5: Hoare triple {2448#true} ~x~0 := 268435441; {2453#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:25:14,502 INFO L290 TraceCheckUtils]: 6: Hoare triple {2453#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {2454#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:25:14,503 INFO L290 TraceCheckUtils]: 7: Hoare triple {2454#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {2455#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:25:14,504 INFO L290 TraceCheckUtils]: 8: Hoare triple {2455#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {2456#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:25:14,505 INFO L290 TraceCheckUtils]: 9: Hoare triple {2456#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {2457#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:25:14,505 INFO L290 TraceCheckUtils]: 10: Hoare triple {2457#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {2458#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:25:14,506 INFO L290 TraceCheckUtils]: 11: Hoare triple {2458#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {2459#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:25:14,507 INFO L290 TraceCheckUtils]: 12: Hoare triple {2459#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {2460#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:25:14,508 INFO L290 TraceCheckUtils]: 13: Hoare triple {2460#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {2461#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:25:14,508 INFO L290 TraceCheckUtils]: 14: Hoare triple {2461#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {2462#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:25:14,509 INFO L290 TraceCheckUtils]: 15: Hoare triple {2462#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {2513#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:25:14,509 INFO L290 TraceCheckUtils]: 16: Hoare triple {2513#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !(~x~0 % 4294967296 > 1); {2449#false} is VALID [2022-04-08 09:25:14,509 INFO L272 TraceCheckUtils]: 17: Hoare triple {2449#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)); {2449#false} is VALID [2022-04-08 09:25:14,509 INFO L290 TraceCheckUtils]: 18: Hoare triple {2449#false} ~cond := #in~cond; {2449#false} is VALID [2022-04-08 09:25:14,509 INFO L290 TraceCheckUtils]: 19: Hoare triple {2449#false} assume 0 == ~cond; {2449#false} is VALID [2022-04-08 09:25:14,510 INFO L290 TraceCheckUtils]: 20: Hoare triple {2449#false} assume !false; {2449#false} is VALID [2022-04-08 09:25:14,510 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:25:14,510 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 09:25:15,034 INFO L290 TraceCheckUtils]: 20: Hoare triple {2449#false} assume !false; {2449#false} is VALID [2022-04-08 09:25:15,043 INFO L290 TraceCheckUtils]: 19: Hoare triple {2532#(not (<= __VERIFIER_assert_~cond 0))} assume 0 == ~cond; {2449#false} is VALID [2022-04-08 09:25:15,044 INFO L290 TraceCheckUtils]: 18: Hoare triple {2536#(< 0 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {2532#(not (<= __VERIFIER_assert_~cond 0))} is VALID [2022-04-08 09:25:15,045 INFO L272 TraceCheckUtils]: 17: Hoare triple {2540#(= (mod main_~x~0 2) 0)} 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)); {2536#(< 0 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-08 09:25:15,045 INFO L290 TraceCheckUtils]: 16: Hoare triple {2544#(or (< 1 (mod main_~x~0 4294967296)) (= (mod main_~x~0 2) 0))} assume !(~x~0 % 4294967296 > 1); {2540#(= (mod main_~x~0 2) 0)} is VALID [2022-04-08 09:25:15,046 INFO L290 TraceCheckUtils]: 15: Hoare triple {2548#(or (< 1 (mod (+ main_~x~0 4294967294) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {2544#(or (< 1 (mod main_~x~0 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:15,047 INFO L290 TraceCheckUtils]: 14: Hoare triple {2552#(or (< 1 (mod (+ 4294967292 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {2548#(or (< 1 (mod (+ main_~x~0 4294967294) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:15,048 INFO L290 TraceCheckUtils]: 13: Hoare triple {2556#(or (< 1 (mod (+ 4294967290 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {2552#(or (< 1 (mod (+ 4294967292 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:15,049 INFO L290 TraceCheckUtils]: 12: Hoare triple {2560#(or (< 1 (mod (+ 4294967288 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {2556#(or (< 1 (mod (+ 4294967290 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:15,052 INFO L290 TraceCheckUtils]: 11: Hoare triple {2564#(or (< 1 (mod (+ main_~x~0 4294967286) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {2560#(or (< 1 (mod (+ 4294967288 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:15,053 INFO L290 TraceCheckUtils]: 10: Hoare triple {2568#(or (< 1 (mod (+ main_~x~0 4294967284) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {2564#(or (< 1 (mod (+ main_~x~0 4294967286) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:15,054 INFO L290 TraceCheckUtils]: 9: Hoare triple {2572#(or (< 1 (mod (+ 4294967282 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {2568#(or (< 1 (mod (+ main_~x~0 4294967284) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:15,055 INFO L290 TraceCheckUtils]: 8: Hoare triple {2576#(or (< 1 (mod (+ main_~x~0 4294967280) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {2572#(or (< 1 (mod (+ 4294967282 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:15,056 INFO L290 TraceCheckUtils]: 7: Hoare triple {2580#(or (< 1 (mod (+ main_~x~0 4294967278) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {2576#(or (< 1 (mod (+ main_~x~0 4294967280) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:15,057 INFO L290 TraceCheckUtils]: 6: Hoare triple {2584#(or (< 1 (mod (+ 4294967276 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {2580#(or (< 1 (mod (+ main_~x~0 4294967278) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:15,057 INFO L290 TraceCheckUtils]: 5: Hoare triple {2448#true} ~x~0 := 268435441; {2584#(or (< 1 (mod (+ 4294967276 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:15,057 INFO L272 TraceCheckUtils]: 4: Hoare triple {2448#true} call #t~ret4 := main(); {2448#true} is VALID [2022-04-08 09:25:15,058 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {2448#true} {2448#true} #34#return; {2448#true} is VALID [2022-04-08 09:25:15,058 INFO L290 TraceCheckUtils]: 2: Hoare triple {2448#true} assume true; {2448#true} is VALID [2022-04-08 09:25:15,058 INFO L290 TraceCheckUtils]: 1: Hoare triple {2448#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(13, 2);call #Ultimate.allocInit(12, 3); {2448#true} is VALID [2022-04-08 09:25:15,058 INFO L272 TraceCheckUtils]: 0: Hoare triple {2448#true} call ULTIMATE.init(); {2448#true} is VALID [2022-04-08 09:25:15,058 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:25:15,058 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2073144810] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-08 09:25:15,058 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-08 09:25:15,058 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13, 16] total 29 [2022-04-08 09:25:15,059 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 09:25:15,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1832810996] [2022-04-08 09:25:15,059 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1832810996] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 09:25:15,059 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 09:25:15,059 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-04-08 09:25:15,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090414996] [2022-04-08 09:25:15,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 09:25:15,060 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 13 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 [2022-04-08 09:25:15,060 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 09:25:15,060 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 14 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 13 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) [2022-04-08 09:25:15,073 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 21 edges. 21 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:25:15,073 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-04-08 09:25:15,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 09:25:15,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-04-08 09:25:15,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=209, Invalid=603, Unknown=0, NotChecked=0, Total=812 [2022-04-08 09:25:15,074 INFO L87 Difference]: Start difference. First operand 22 states and 22 transitions. Second operand has 14 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 13 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) [2022-04-08 09:25:15,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:25:15,450 INFO L93 Difference]: Finished difference Result 28 states and 28 transitions. [2022-04-08 09:25:15,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-04-08 09:25:15,450 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 13 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 [2022-04-08 09:25:15,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 09:25:15,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 13 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) [2022-04-08 09:25:15,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 28 transitions. [2022-04-08 09:25:15,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 13 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) [2022-04-08 09:25:15,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 28 transitions. [2022-04-08 09:25:15,452 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 14 states and 28 transitions. [2022-04-08 09:25:15,484 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 28 edges. 28 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:25:15,484 INFO L225 Difference]: With dead ends: 28 [2022-04-08 09:25:15,484 INFO L226 Difference]: Without dead ends: 23 [2022-04-08 09:25:15,485 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=394, Invalid=1166, Unknown=0, NotChecked=0, Total=1560 [2022-04-08 09:25:15,486 INFO L913 BasicCegarLoop]: 11 mSDtfsCounter, 6 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-08 09:25:15,486 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 33 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-08 09:25:15,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2022-04-08 09:25:15,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2022-04-08 09:25:15,505 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 09:25:15,505 INFO L82 GeneralOperation]: Start isEquivalent. First operand 23 states. Second operand has 23 states, 18 states have (on average 1.0555555555555556) internal successors, (19), 18 states have internal predecessors, (19), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:15,505 INFO L74 IsIncluded]: Start isIncluded. First operand 23 states. Second operand has 23 states, 18 states have (on average 1.0555555555555556) internal successors, (19), 18 states have internal predecessors, (19), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:15,505 INFO L87 Difference]: Start difference. First operand 23 states. Second operand has 23 states, 18 states have (on average 1.0555555555555556) internal successors, (19), 18 states have internal predecessors, (19), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:15,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:25:15,506 INFO L93 Difference]: Finished difference Result 23 states and 23 transitions. [2022-04-08 09:25:15,506 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 23 transitions. [2022-04-08 09:25:15,507 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:25:15,507 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:25:15,507 INFO L74 IsIncluded]: Start isIncluded. First operand has 23 states, 18 states have (on average 1.0555555555555556) internal successors, (19), 18 states have internal predecessors, (19), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 23 states. [2022-04-08 09:25:15,507 INFO L87 Difference]: Start difference. First operand has 23 states, 18 states have (on average 1.0555555555555556) internal successors, (19), 18 states have internal predecessors, (19), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 23 states. [2022-04-08 09:25:15,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:25:15,508 INFO L93 Difference]: Finished difference Result 23 states and 23 transitions. [2022-04-08 09:25:15,508 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 23 transitions. [2022-04-08 09:25:15,508 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:25:15,508 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:25:15,508 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 09:25:15,508 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 09:25:15,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 18 states have (on average 1.0555555555555556) internal successors, (19), 18 states have internal predecessors, (19), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:15,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 23 transitions. [2022-04-08 09:25:15,509 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 23 transitions. Word has length 21 [2022-04-08 09:25:15,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 09:25:15,509 INFO L478 AbstractCegarLoop]: Abstraction has 23 states and 23 transitions. [2022-04-08 09:25:15,509 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 13 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) [2022-04-08 09:25:15,510 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 23 states and 23 transitions. [2022-04-08 09:25:15,529 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 23 edges. 23 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:25:15,529 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 23 transitions. [2022-04-08 09:25:15,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-04-08 09:25:15,530 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 09:25:15,530 INFO L499 BasicCegarLoop]: trace histogram [11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 09:25:15,553 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-04-08 09:25:15,743 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-04-08 09:25:15,744 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 09:25:15,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 09:25:15,744 INFO L85 PathProgramCache]: Analyzing trace with hash -830631370, now seen corresponding path program 21 times [2022-04-08 09:25:15,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 09:25:15,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1932525541] [2022-04-08 09:25:15,747 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-08 09:25:15,748 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-08 09:25:15,748 INFO L85 PathProgramCache]: Analyzing trace with hash -830631370, now seen corresponding path program 22 times [2022-04-08 09:25:15,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 09:25:15,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131075264] [2022-04-08 09:25:15,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 09:25:15,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 09:25:15,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:25:15,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-08 09:25:15,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:25:15,957 INFO L290 TraceCheckUtils]: 0: Hoare triple {2792#(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(13, 2);call #Ultimate.allocInit(12, 3); {2775#true} is VALID [2022-04-08 09:25:15,958 INFO L290 TraceCheckUtils]: 1: Hoare triple {2775#true} assume true; {2775#true} is VALID [2022-04-08 09:25:15,958 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {2775#true} {2775#true} #34#return; {2775#true} is VALID [2022-04-08 09:25:15,959 INFO L272 TraceCheckUtils]: 0: Hoare triple {2775#true} call ULTIMATE.init(); {2792#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-08 09:25:15,959 INFO L290 TraceCheckUtils]: 1: Hoare triple {2792#(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(13, 2);call #Ultimate.allocInit(12, 3); {2775#true} is VALID [2022-04-08 09:25:15,959 INFO L290 TraceCheckUtils]: 2: Hoare triple {2775#true} assume true; {2775#true} is VALID [2022-04-08 09:25:15,959 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {2775#true} {2775#true} #34#return; {2775#true} is VALID [2022-04-08 09:25:15,959 INFO L272 TraceCheckUtils]: 4: Hoare triple {2775#true} call #t~ret4 := main(); {2775#true} is VALID [2022-04-08 09:25:15,960 INFO L290 TraceCheckUtils]: 5: Hoare triple {2775#true} ~x~0 := 268435441; {2780#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:25:15,960 INFO L290 TraceCheckUtils]: 6: Hoare triple {2780#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {2781#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:25:15,961 INFO L290 TraceCheckUtils]: 7: Hoare triple {2781#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {2782#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:25:15,962 INFO L290 TraceCheckUtils]: 8: Hoare triple {2782#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {2783#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:25:15,962 INFO L290 TraceCheckUtils]: 9: Hoare triple {2783#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {2784#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:25:15,963 INFO L290 TraceCheckUtils]: 10: Hoare triple {2784#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {2785#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:25:15,964 INFO L290 TraceCheckUtils]: 11: Hoare triple {2785#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {2786#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:25:15,964 INFO L290 TraceCheckUtils]: 12: Hoare triple {2786#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {2787#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:25:15,965 INFO L290 TraceCheckUtils]: 13: Hoare triple {2787#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {2788#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:25:15,966 INFO L290 TraceCheckUtils]: 14: Hoare triple {2788#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {2789#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:25:15,966 INFO L290 TraceCheckUtils]: 15: Hoare triple {2789#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {2790#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:25:15,967 INFO L290 TraceCheckUtils]: 16: Hoare triple {2790#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {2791#(and (<= 268435419 main_~x~0) (<= (div main_~x~0 4294967296) 0))} is VALID [2022-04-08 09:25:15,968 INFO L290 TraceCheckUtils]: 17: Hoare triple {2791#(and (<= 268435419 main_~x~0) (<= (div main_~x~0 4294967296) 0))} assume !(~x~0 % 4294967296 > 1); {2776#false} is VALID [2022-04-08 09:25:15,968 INFO L272 TraceCheckUtils]: 18: Hoare triple {2776#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)); {2776#false} is VALID [2022-04-08 09:25:15,968 INFO L290 TraceCheckUtils]: 19: Hoare triple {2776#false} ~cond := #in~cond; {2776#false} is VALID [2022-04-08 09:25:15,968 INFO L290 TraceCheckUtils]: 20: Hoare triple {2776#false} assume 0 == ~cond; {2776#false} is VALID [2022-04-08 09:25:15,968 INFO L290 TraceCheckUtils]: 21: Hoare triple {2776#false} assume !false; {2776#false} is VALID [2022-04-08 09:25:15,968 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:25:15,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 09:25:15,969 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131075264] [2022-04-08 09:25:15,969 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2131075264] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-08 09:25:15,969 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [774942509] [2022-04-08 09:25:15,969 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-08 09:25:15,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 09:25:15,969 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 09:25:15,972 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) [2022-04-08 09:25:15,973 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-04-08 09:25:16,008 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-08 09:25:16,009 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 09:25:16,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 25 conjunts are in the unsatisfiable core [2022-04-08 09:25:16,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:25:16,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 09:25:16,321 INFO L272 TraceCheckUtils]: 0: Hoare triple {2775#true} call ULTIMATE.init(); {2775#true} is VALID [2022-04-08 09:25:16,321 INFO L290 TraceCheckUtils]: 1: Hoare triple {2775#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(13, 2);call #Ultimate.allocInit(12, 3); {2775#true} is VALID [2022-04-08 09:25:16,321 INFO L290 TraceCheckUtils]: 2: Hoare triple {2775#true} assume true; {2775#true} is VALID [2022-04-08 09:25:16,321 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {2775#true} {2775#true} #34#return; {2775#true} is VALID [2022-04-08 09:25:16,321 INFO L272 TraceCheckUtils]: 4: Hoare triple {2775#true} call #t~ret4 := main(); {2775#true} is VALID [2022-04-08 09:25:16,322 INFO L290 TraceCheckUtils]: 5: Hoare triple {2775#true} ~x~0 := 268435441; {2780#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:25:16,322 INFO L290 TraceCheckUtils]: 6: Hoare triple {2780#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {2781#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:25:16,323 INFO L290 TraceCheckUtils]: 7: Hoare triple {2781#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {2782#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:25:16,325 INFO L290 TraceCheckUtils]: 8: Hoare triple {2782#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {2783#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:25:16,325 INFO L290 TraceCheckUtils]: 9: Hoare triple {2783#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {2784#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:25:16,326 INFO L290 TraceCheckUtils]: 10: Hoare triple {2784#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {2785#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:25:16,326 INFO L290 TraceCheckUtils]: 11: Hoare triple {2785#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {2786#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:25:16,327 INFO L290 TraceCheckUtils]: 12: Hoare triple {2786#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {2787#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:25:16,327 INFO L290 TraceCheckUtils]: 13: Hoare triple {2787#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {2788#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:25:16,328 INFO L290 TraceCheckUtils]: 14: Hoare triple {2788#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {2789#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:25:16,329 INFO L290 TraceCheckUtils]: 15: Hoare triple {2789#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {2790#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:25:16,329 INFO L290 TraceCheckUtils]: 16: Hoare triple {2790#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {2844#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:25:16,330 INFO L290 TraceCheckUtils]: 17: Hoare triple {2844#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !(~x~0 % 4294967296 > 1); {2776#false} is VALID [2022-04-08 09:25:16,330 INFO L272 TraceCheckUtils]: 18: Hoare triple {2776#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)); {2776#false} is VALID [2022-04-08 09:25:16,330 INFO L290 TraceCheckUtils]: 19: Hoare triple {2776#false} ~cond := #in~cond; {2776#false} is VALID [2022-04-08 09:25:16,330 INFO L290 TraceCheckUtils]: 20: Hoare triple {2776#false} assume 0 == ~cond; {2776#false} is VALID [2022-04-08 09:25:16,330 INFO L290 TraceCheckUtils]: 21: Hoare triple {2776#false} assume !false; {2776#false} is VALID [2022-04-08 09:25:16,330 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:25:16,330 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 09:25:16,652 INFO L290 TraceCheckUtils]: 21: Hoare triple {2776#false} assume !false; {2776#false} is VALID [2022-04-08 09:25:16,652 INFO L290 TraceCheckUtils]: 20: Hoare triple {2776#false} assume 0 == ~cond; {2776#false} is VALID [2022-04-08 09:25:16,652 INFO L290 TraceCheckUtils]: 19: Hoare triple {2776#false} ~cond := #in~cond; {2776#false} is VALID [2022-04-08 09:25:16,652 INFO L272 TraceCheckUtils]: 18: Hoare triple {2776#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)); {2776#false} is VALID [2022-04-08 09:25:16,656 INFO L290 TraceCheckUtils]: 17: Hoare triple {2872#(< 1 (mod main_~x~0 4294967296))} assume !(~x~0 % 4294967296 > 1); {2776#false} is VALID [2022-04-08 09:25:16,657 INFO L290 TraceCheckUtils]: 16: Hoare triple {2876#(< 1 (mod (+ main_~x~0 4294967294) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {2872#(< 1 (mod main_~x~0 4294967296))} is VALID [2022-04-08 09:25:16,658 INFO L290 TraceCheckUtils]: 15: Hoare triple {2880#(< 1 (mod (+ 4294967292 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {2876#(< 1 (mod (+ main_~x~0 4294967294) 4294967296))} is VALID [2022-04-08 09:25:16,659 INFO L290 TraceCheckUtils]: 14: Hoare triple {2884#(< 1 (mod (+ 4294967290 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {2880#(< 1 (mod (+ 4294967292 main_~x~0) 4294967296))} is VALID [2022-04-08 09:25:16,659 INFO L290 TraceCheckUtils]: 13: Hoare triple {2888#(< 1 (mod (+ 4294967288 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {2884#(< 1 (mod (+ 4294967290 main_~x~0) 4294967296))} is VALID [2022-04-08 09:25:16,660 INFO L290 TraceCheckUtils]: 12: Hoare triple {2892#(< 1 (mod (+ main_~x~0 4294967286) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {2888#(< 1 (mod (+ 4294967288 main_~x~0) 4294967296))} is VALID [2022-04-08 09:25:16,661 INFO L290 TraceCheckUtils]: 11: Hoare triple {2896#(< 1 (mod (+ main_~x~0 4294967284) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {2892#(< 1 (mod (+ main_~x~0 4294967286) 4294967296))} is VALID [2022-04-08 09:25:16,661 INFO L290 TraceCheckUtils]: 10: Hoare triple {2900#(< 1 (mod (+ 4294967282 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {2896#(< 1 (mod (+ main_~x~0 4294967284) 4294967296))} is VALID [2022-04-08 09:25:16,662 INFO L290 TraceCheckUtils]: 9: Hoare triple {2904#(< 1 (mod (+ main_~x~0 4294967280) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {2900#(< 1 (mod (+ 4294967282 main_~x~0) 4294967296))} is VALID [2022-04-08 09:25:16,662 INFO L290 TraceCheckUtils]: 8: Hoare triple {2908#(< 1 (mod (+ main_~x~0 4294967278) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {2904#(< 1 (mod (+ main_~x~0 4294967280) 4294967296))} is VALID [2022-04-08 09:25:16,663 INFO L290 TraceCheckUtils]: 7: Hoare triple {2912#(< 1 (mod (+ 4294967276 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {2908#(< 1 (mod (+ main_~x~0 4294967278) 4294967296))} is VALID [2022-04-08 09:25:16,664 INFO L290 TraceCheckUtils]: 6: Hoare triple {2916#(< 1 (mod (+ 4294967274 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {2912#(< 1 (mod (+ 4294967276 main_~x~0) 4294967296))} is VALID [2022-04-08 09:25:16,664 INFO L290 TraceCheckUtils]: 5: Hoare triple {2775#true} ~x~0 := 268435441; {2916#(< 1 (mod (+ 4294967274 main_~x~0) 4294967296))} is VALID [2022-04-08 09:25:16,664 INFO L272 TraceCheckUtils]: 4: Hoare triple {2775#true} call #t~ret4 := main(); {2775#true} is VALID [2022-04-08 09:25:16,664 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {2775#true} {2775#true} #34#return; {2775#true} is VALID [2022-04-08 09:25:16,664 INFO L290 TraceCheckUtils]: 2: Hoare triple {2775#true} assume true; {2775#true} is VALID [2022-04-08 09:25:16,665 INFO L290 TraceCheckUtils]: 1: Hoare triple {2775#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(13, 2);call #Ultimate.allocInit(12, 3); {2775#true} is VALID [2022-04-08 09:25:16,665 INFO L272 TraceCheckUtils]: 0: Hoare triple {2775#true} call ULTIMATE.init(); {2775#true} is VALID [2022-04-08 09:25:16,665 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:25:16,665 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [774942509] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-08 09:25:16,665 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-08 09:25:16,665 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14, 14] total 28 [2022-04-08 09:25:16,665 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 09:25:16,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1932525541] [2022-04-08 09:25:16,666 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1932525541] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 09:25:16,666 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 09:25:16,666 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-04-08 09:25:16,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917447747] [2022-04-08 09:25:16,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 09:25:16,666 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 1.2) internal successors, (18), 14 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 [2022-04-08 09:25:16,667 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 09:25:16,667 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 15 states, 15 states have (on average 1.2) internal successors, (18), 14 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) [2022-04-08 09:25:16,680 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 22 edges. 22 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:25:16,680 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-04-08 09:25:16,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 09:25:16,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-04-08 09:25:16,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=221, Invalid=535, Unknown=0, NotChecked=0, Total=756 [2022-04-08 09:25:16,681 INFO L87 Difference]: Start difference. First operand 23 states and 23 transitions. Second operand has 15 states, 15 states have (on average 1.2) internal successors, (18), 14 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) [2022-04-08 09:25:17,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:25:17,152 INFO L93 Difference]: Finished difference Result 29 states and 29 transitions. [2022-04-08 09:25:17,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-04-08 09:25:17,153 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 1.2) internal successors, (18), 14 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 [2022-04-08 09:25:17,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 09:25:17,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.2) internal successors, (18), 14 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) [2022-04-08 09:25:17,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 29 transitions. [2022-04-08 09:25:17,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.2) internal successors, (18), 14 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) [2022-04-08 09:25:17,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 29 transitions. [2022-04-08 09:25:17,155 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 15 states and 29 transitions. [2022-04-08 09:25:17,179 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 29 edges. 29 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:25:17,180 INFO L225 Difference]: With dead ends: 29 [2022-04-08 09:25:17,180 INFO L226 Difference]: Without dead ends: 24 [2022-04-08 09:25:17,180 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 33 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=435, Invalid=1125, Unknown=0, NotChecked=0, Total=1560 [2022-04-08 09:25:17,181 INFO L913 BasicCegarLoop]: 11 mSDtfsCounter, 6 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-08 09:25:17,181 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 43 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-08 09:25:17,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2022-04-08 09:25:17,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2022-04-08 09:25:17,203 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 09:25:17,203 INFO L82 GeneralOperation]: Start isEquivalent. First operand 24 states. Second operand has 24 states, 19 states have (on average 1.0526315789473684) internal successors, (20), 19 states have internal predecessors, (20), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:17,203 INFO L74 IsIncluded]: Start isIncluded. First operand 24 states. Second operand has 24 states, 19 states have (on average 1.0526315789473684) internal successors, (20), 19 states have internal predecessors, (20), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:17,203 INFO L87 Difference]: Start difference. First operand 24 states. Second operand has 24 states, 19 states have (on average 1.0526315789473684) internal successors, (20), 19 states have internal predecessors, (20), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:17,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:25:17,204 INFO L93 Difference]: Finished difference Result 24 states and 24 transitions. [2022-04-08 09:25:17,204 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions. [2022-04-08 09:25:17,204 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:25:17,204 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:25:17,204 INFO L74 IsIncluded]: Start isIncluded. First operand has 24 states, 19 states have (on average 1.0526315789473684) internal successors, (20), 19 states have internal predecessors, (20), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 24 states. [2022-04-08 09:25:17,205 INFO L87 Difference]: Start difference. First operand has 24 states, 19 states have (on average 1.0526315789473684) internal successors, (20), 19 states have internal predecessors, (20), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 24 states. [2022-04-08 09:25:17,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:25:17,205 INFO L93 Difference]: Finished difference Result 24 states and 24 transitions. [2022-04-08 09:25:17,205 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions. [2022-04-08 09:25:17,206 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:25:17,206 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:25:17,206 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 09:25:17,206 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 09:25:17,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 19 states have (on average 1.0526315789473684) internal successors, (20), 19 states have internal predecessors, (20), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:17,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions. [2022-04-08 09:25:17,207 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 24 transitions. Word has length 22 [2022-04-08 09:25:17,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 09:25:17,207 INFO L478 AbstractCegarLoop]: Abstraction has 24 states and 24 transitions. [2022-04-08 09:25:17,207 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 1.2) internal successors, (18), 14 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) [2022-04-08 09:25:17,207 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 24 states and 24 transitions. [2022-04-08 09:25:17,229 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:25:17,230 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions. [2022-04-08 09:25:17,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-04-08 09:25:17,230 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 09:25:17,230 INFO L499 BasicCegarLoop]: trace histogram [12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 09:25:17,251 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-04-08 09:25:17,430 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-04-08 09:25:17,431 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 09:25:17,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 09:25:17,431 INFO L85 PathProgramCache]: Analyzing trace with hash 56692572, now seen corresponding path program 23 times [2022-04-08 09:25:17,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 09:25:17,431 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1242498571] [2022-04-08 09:25:17,434 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-08 09:25:17,434 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-08 09:25:17,434 INFO L85 PathProgramCache]: Analyzing trace with hash 56692572, now seen corresponding path program 24 times [2022-04-08 09:25:17,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 09:25:17,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204946528] [2022-04-08 09:25:17,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 09:25:17,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 09:25:17,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:25:17,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-08 09:25:17,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:25:17,638 INFO L290 TraceCheckUtils]: 0: Hoare triple {3133#(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(13, 2);call #Ultimate.allocInit(12, 3); {3115#true} is VALID [2022-04-08 09:25:17,639 INFO L290 TraceCheckUtils]: 1: Hoare triple {3115#true} assume true; {3115#true} is VALID [2022-04-08 09:25:17,639 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {3115#true} {3115#true} #34#return; {3115#true} is VALID [2022-04-08 09:25:17,639 INFO L272 TraceCheckUtils]: 0: Hoare triple {3115#true} call ULTIMATE.init(); {3133#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-08 09:25:17,639 INFO L290 TraceCheckUtils]: 1: Hoare triple {3133#(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(13, 2);call #Ultimate.allocInit(12, 3); {3115#true} is VALID [2022-04-08 09:25:17,639 INFO L290 TraceCheckUtils]: 2: Hoare triple {3115#true} assume true; {3115#true} is VALID [2022-04-08 09:25:17,639 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {3115#true} {3115#true} #34#return; {3115#true} is VALID [2022-04-08 09:25:17,640 INFO L272 TraceCheckUtils]: 4: Hoare triple {3115#true} call #t~ret4 := main(); {3115#true} is VALID [2022-04-08 09:25:17,640 INFO L290 TraceCheckUtils]: 5: Hoare triple {3115#true} ~x~0 := 268435441; {3120#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:25:17,641 INFO L290 TraceCheckUtils]: 6: Hoare triple {3120#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3121#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:25:17,641 INFO L290 TraceCheckUtils]: 7: Hoare triple {3121#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3122#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:25:17,642 INFO L290 TraceCheckUtils]: 8: Hoare triple {3122#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3123#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:25:17,642 INFO L290 TraceCheckUtils]: 9: Hoare triple {3123#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3124#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:25:17,643 INFO L290 TraceCheckUtils]: 10: Hoare triple {3124#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3125#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:25:17,643 INFO L290 TraceCheckUtils]: 11: Hoare triple {3125#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3126#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:25:17,644 INFO L290 TraceCheckUtils]: 12: Hoare triple {3126#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3127#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:25:17,645 INFO L290 TraceCheckUtils]: 13: Hoare triple {3127#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3128#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:25:17,645 INFO L290 TraceCheckUtils]: 14: Hoare triple {3128#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3129#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:25:17,646 INFO L290 TraceCheckUtils]: 15: Hoare triple {3129#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3130#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:25:17,646 INFO L290 TraceCheckUtils]: 16: Hoare triple {3130#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3131#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:25:17,647 INFO L290 TraceCheckUtils]: 17: Hoare triple {3131#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3132#(and (<= (div main_~x~0 4294967296) 0) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:25:17,647 INFO L290 TraceCheckUtils]: 18: Hoare triple {3132#(and (<= (div main_~x~0 4294967296) 0) (<= 268435417 main_~x~0))} assume !(~x~0 % 4294967296 > 1); {3116#false} is VALID [2022-04-08 09:25:17,647 INFO L272 TraceCheckUtils]: 19: Hoare triple {3116#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)); {3116#false} is VALID [2022-04-08 09:25:17,647 INFO L290 TraceCheckUtils]: 20: Hoare triple {3116#false} ~cond := #in~cond; {3116#false} is VALID [2022-04-08 09:25:17,647 INFO L290 TraceCheckUtils]: 21: Hoare triple {3116#false} assume 0 == ~cond; {3116#false} is VALID [2022-04-08 09:25:17,648 INFO L290 TraceCheckUtils]: 22: Hoare triple {3116#false} assume !false; {3116#false} is VALID [2022-04-08 09:25:17,648 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:25:17,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 09:25:17,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204946528] [2022-04-08 09:25:17,648 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204946528] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-08 09:25:17,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1759328859] [2022-04-08 09:25:17,648 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-04-08 09:25:17,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 09:25:17,649 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 09:25:17,649 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) [2022-04-08 09:25:17,650 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-04-08 09:25:17,734 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2022-04-08 09:25:17,735 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 09:25:17,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 27 conjunts are in the unsatisfiable core [2022-04-08 09:25:17,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:25:17,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 09:25:17,994 INFO L272 TraceCheckUtils]: 0: Hoare triple {3115#true} call ULTIMATE.init(); {3115#true} is VALID [2022-04-08 09:25:17,994 INFO L290 TraceCheckUtils]: 1: Hoare triple {3115#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(13, 2);call #Ultimate.allocInit(12, 3); {3115#true} is VALID [2022-04-08 09:25:17,994 INFO L290 TraceCheckUtils]: 2: Hoare triple {3115#true} assume true; {3115#true} is VALID [2022-04-08 09:25:17,994 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {3115#true} {3115#true} #34#return; {3115#true} is VALID [2022-04-08 09:25:17,994 INFO L272 TraceCheckUtils]: 4: Hoare triple {3115#true} call #t~ret4 := main(); {3115#true} is VALID [2022-04-08 09:25:17,995 INFO L290 TraceCheckUtils]: 5: Hoare triple {3115#true} ~x~0 := 268435441; {3120#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:25:17,995 INFO L290 TraceCheckUtils]: 6: Hoare triple {3120#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3121#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:25:17,996 INFO L290 TraceCheckUtils]: 7: Hoare triple {3121#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3122#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:25:17,996 INFO L290 TraceCheckUtils]: 8: Hoare triple {3122#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3123#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:25:17,997 INFO L290 TraceCheckUtils]: 9: Hoare triple {3123#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3124#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:25:17,997 INFO L290 TraceCheckUtils]: 10: Hoare triple {3124#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3125#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:25:17,998 INFO L290 TraceCheckUtils]: 11: Hoare triple {3125#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3126#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:25:17,998 INFO L290 TraceCheckUtils]: 12: Hoare triple {3126#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3127#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:25:17,999 INFO L290 TraceCheckUtils]: 13: Hoare triple {3127#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3128#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:25:17,999 INFO L290 TraceCheckUtils]: 14: Hoare triple {3128#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3129#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:25:18,000 INFO L290 TraceCheckUtils]: 15: Hoare triple {3129#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3130#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:25:18,000 INFO L290 TraceCheckUtils]: 16: Hoare triple {3130#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3131#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:25:18,001 INFO L290 TraceCheckUtils]: 17: Hoare triple {3131#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3188#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:25:18,001 INFO L290 TraceCheckUtils]: 18: Hoare triple {3188#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !(~x~0 % 4294967296 > 1); {3116#false} is VALID [2022-04-08 09:25:18,002 INFO L272 TraceCheckUtils]: 19: Hoare triple {3116#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)); {3116#false} is VALID [2022-04-08 09:25:18,002 INFO L290 TraceCheckUtils]: 20: Hoare triple {3116#false} ~cond := #in~cond; {3116#false} is VALID [2022-04-08 09:25:18,002 INFO L290 TraceCheckUtils]: 21: Hoare triple {3116#false} assume 0 == ~cond; {3116#false} is VALID [2022-04-08 09:25:18,002 INFO L290 TraceCheckUtils]: 22: Hoare triple {3116#false} assume !false; {3116#false} is VALID [2022-04-08 09:25:18,002 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:25:18,002 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 09:25:18,364 INFO L290 TraceCheckUtils]: 22: Hoare triple {3116#false} assume !false; {3116#false} is VALID [2022-04-08 09:25:18,365 INFO L290 TraceCheckUtils]: 21: Hoare triple {3116#false} assume 0 == ~cond; {3116#false} is VALID [2022-04-08 09:25:18,365 INFO L290 TraceCheckUtils]: 20: Hoare triple {3116#false} ~cond := #in~cond; {3116#false} is VALID [2022-04-08 09:25:18,365 INFO L272 TraceCheckUtils]: 19: Hoare triple {3116#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)); {3116#false} is VALID [2022-04-08 09:25:18,365 INFO L290 TraceCheckUtils]: 18: Hoare triple {3216#(< 1 (mod main_~x~0 4294967296))} assume !(~x~0 % 4294967296 > 1); {3116#false} is VALID [2022-04-08 09:25:18,366 INFO L290 TraceCheckUtils]: 17: Hoare triple {3220#(< 1 (mod (+ main_~x~0 4294967294) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3216#(< 1 (mod main_~x~0 4294967296))} is VALID [2022-04-08 09:25:18,367 INFO L290 TraceCheckUtils]: 16: Hoare triple {3224#(< 1 (mod (+ 4294967292 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3220#(< 1 (mod (+ main_~x~0 4294967294) 4294967296))} is VALID [2022-04-08 09:25:18,368 INFO L290 TraceCheckUtils]: 15: Hoare triple {3228#(< 1 (mod (+ 4294967290 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3224#(< 1 (mod (+ 4294967292 main_~x~0) 4294967296))} is VALID [2022-04-08 09:25:18,368 INFO L290 TraceCheckUtils]: 14: Hoare triple {3232#(< 1 (mod (+ 4294967288 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3228#(< 1 (mod (+ 4294967290 main_~x~0) 4294967296))} is VALID [2022-04-08 09:25:18,369 INFO L290 TraceCheckUtils]: 13: Hoare triple {3236#(< 1 (mod (+ main_~x~0 4294967286) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3232#(< 1 (mod (+ 4294967288 main_~x~0) 4294967296))} is VALID [2022-04-08 09:25:18,370 INFO L290 TraceCheckUtils]: 12: Hoare triple {3240#(< 1 (mod (+ main_~x~0 4294967284) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3236#(< 1 (mod (+ main_~x~0 4294967286) 4294967296))} is VALID [2022-04-08 09:25:18,370 INFO L290 TraceCheckUtils]: 11: Hoare triple {3244#(< 1 (mod (+ 4294967282 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3240#(< 1 (mod (+ main_~x~0 4294967284) 4294967296))} is VALID [2022-04-08 09:25:18,372 INFO L290 TraceCheckUtils]: 10: Hoare triple {3248#(< 1 (mod (+ main_~x~0 4294967280) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3244#(< 1 (mod (+ 4294967282 main_~x~0) 4294967296))} is VALID [2022-04-08 09:25:18,372 INFO L290 TraceCheckUtils]: 9: Hoare triple {3252#(< 1 (mod (+ main_~x~0 4294967278) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3248#(< 1 (mod (+ main_~x~0 4294967280) 4294967296))} is VALID [2022-04-08 09:25:18,373 INFO L290 TraceCheckUtils]: 8: Hoare triple {3256#(< 1 (mod (+ 4294967276 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3252#(< 1 (mod (+ main_~x~0 4294967278) 4294967296))} is VALID [2022-04-08 09:25:18,374 INFO L290 TraceCheckUtils]: 7: Hoare triple {3260#(< 1 (mod (+ 4294967274 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3256#(< 1 (mod (+ 4294967276 main_~x~0) 4294967296))} is VALID [2022-04-08 09:25:18,375 INFO L290 TraceCheckUtils]: 6: Hoare triple {3264#(< 1 (mod (+ 4294967272 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3260#(< 1 (mod (+ 4294967274 main_~x~0) 4294967296))} is VALID [2022-04-08 09:25:18,375 INFO L290 TraceCheckUtils]: 5: Hoare triple {3115#true} ~x~0 := 268435441; {3264#(< 1 (mod (+ 4294967272 main_~x~0) 4294967296))} is VALID [2022-04-08 09:25:18,375 INFO L272 TraceCheckUtils]: 4: Hoare triple {3115#true} call #t~ret4 := main(); {3115#true} is VALID [2022-04-08 09:25:18,375 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {3115#true} {3115#true} #34#return; {3115#true} is VALID [2022-04-08 09:25:18,375 INFO L290 TraceCheckUtils]: 2: Hoare triple {3115#true} assume true; {3115#true} is VALID [2022-04-08 09:25:18,375 INFO L290 TraceCheckUtils]: 1: Hoare triple {3115#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(13, 2);call #Ultimate.allocInit(12, 3); {3115#true} is VALID [2022-04-08 09:25:18,375 INFO L272 TraceCheckUtils]: 0: Hoare triple {3115#true} call ULTIMATE.init(); {3115#true} is VALID [2022-04-08 09:25:18,376 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:25:18,376 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1759328859] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-08 09:25:18,376 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-08 09:25:18,376 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15, 15] total 30 [2022-04-08 09:25:18,376 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 09:25:18,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1242498571] [2022-04-08 09:25:18,376 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1242498571] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 09:25:18,376 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 09:25:18,377 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-04-08 09:25:18,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558684413] [2022-04-08 09:25:18,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 09:25:18,377 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 1.1875) internal successors, (19), 15 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 [2022-04-08 09:25:18,377 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 09:25:18,377 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 16 states, 16 states have (on average 1.1875) internal successors, (19), 15 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) [2022-04-08 09:25:18,391 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 23 edges. 23 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:25:18,391 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-04-08 09:25:18,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 09:25:18,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-04-08 09:25:18,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=252, Invalid=618, Unknown=0, NotChecked=0, Total=870 [2022-04-08 09:25:18,392 INFO L87 Difference]: Start difference. First operand 24 states and 24 transitions. Second operand has 16 states, 16 states have (on average 1.1875) internal successors, (19), 15 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) [2022-04-08 09:25:18,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:25:18,925 INFO L93 Difference]: Finished difference Result 30 states and 30 transitions. [2022-04-08 09:25:18,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-04-08 09:25:18,925 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 1.1875) internal successors, (19), 15 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 [2022-04-08 09:25:18,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 09:25:18,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.1875) internal successors, (19), 15 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) [2022-04-08 09:25:18,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 30 transitions. [2022-04-08 09:25:18,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.1875) internal successors, (19), 15 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) [2022-04-08 09:25:18,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 30 transitions. [2022-04-08 09:25:18,928 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 16 states and 30 transitions. [2022-04-08 09:25:18,952 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 30 edges. 30 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:25:18,952 INFO L225 Difference]: With dead ends: 30 [2022-04-08 09:25:18,952 INFO L226 Difference]: Without dead ends: 25 [2022-04-08 09:25:18,953 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 34 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=497, Invalid=1309, Unknown=0, NotChecked=0, Total=1806 [2022-04-08 09:25:18,954 INFO L913 BasicCegarLoop]: 11 mSDtfsCounter, 6 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 218 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-08 09:25:18,954 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 73 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 218 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-08 09:25:18,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2022-04-08 09:25:18,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2022-04-08 09:25:18,983 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 09:25:18,983 INFO L82 GeneralOperation]: Start isEquivalent. First operand 25 states. Second operand has 25 states, 20 states have (on average 1.05) internal successors, (21), 20 states have internal predecessors, (21), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:18,983 INFO L74 IsIncluded]: Start isIncluded. First operand 25 states. Second operand has 25 states, 20 states have (on average 1.05) internal successors, (21), 20 states have internal predecessors, (21), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:18,983 INFO L87 Difference]: Start difference. First operand 25 states. Second operand has 25 states, 20 states have (on average 1.05) internal successors, (21), 20 states have internal predecessors, (21), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:18,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:25:18,984 INFO L93 Difference]: Finished difference Result 25 states and 25 transitions. [2022-04-08 09:25:18,984 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 25 transitions. [2022-04-08 09:25:18,984 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:25:18,985 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:25:18,985 INFO L74 IsIncluded]: Start isIncluded. First operand has 25 states, 20 states have (on average 1.05) internal successors, (21), 20 states have internal predecessors, (21), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 25 states. [2022-04-08 09:25:18,985 INFO L87 Difference]: Start difference. First operand has 25 states, 20 states have (on average 1.05) internal successors, (21), 20 states have internal predecessors, (21), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 25 states. [2022-04-08 09:25:18,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:25:18,986 INFO L93 Difference]: Finished difference Result 25 states and 25 transitions. [2022-04-08 09:25:18,986 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 25 transitions. [2022-04-08 09:25:18,986 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:25:18,986 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:25:18,986 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 09:25:18,986 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 09:25:18,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 20 states have (on average 1.05) internal successors, (21), 20 states have internal predecessors, (21), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:18,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 25 transitions. [2022-04-08 09:25:18,987 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 25 transitions. Word has length 23 [2022-04-08 09:25:18,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 09:25:18,987 INFO L478 AbstractCegarLoop]: Abstraction has 25 states and 25 transitions. [2022-04-08 09:25:18,987 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 1.1875) internal successors, (19), 15 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) [2022-04-08 09:25:18,987 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 25 states and 25 transitions. [2022-04-08 09:25:19,008 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 25 edges. 25 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:25:19,009 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 25 transitions. [2022-04-08 09:25:19,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-04-08 09:25:19,010 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 09:25:19,010 INFO L499 BasicCegarLoop]: trace histogram [13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 09:25:19,016 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-04-08 09:25:19,214 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-04-08 09:25:19,214 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 09:25:19,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 09:25:19,215 INFO L85 PathProgramCache]: Analyzing trace with hash 1793930998, now seen corresponding path program 25 times [2022-04-08 09:25:19,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 09:25:19,215 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1801875471] [2022-04-08 09:25:19,217 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-08 09:25:19,217 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-08 09:25:19,217 INFO L85 PathProgramCache]: Analyzing trace with hash 1793930998, now seen corresponding path program 26 times [2022-04-08 09:25:19,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 09:25:19,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405561528] [2022-04-08 09:25:19,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 09:25:19,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 09:25:19,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:25:19,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-08 09:25:19,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:25:19,461 INFO L290 TraceCheckUtils]: 0: Hoare triple {3490#(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(13, 2);call #Ultimate.allocInit(12, 3); {3471#true} is VALID [2022-04-08 09:25:19,461 INFO L290 TraceCheckUtils]: 1: Hoare triple {3471#true} assume true; {3471#true} is VALID [2022-04-08 09:25:19,461 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {3471#true} {3471#true} #34#return; {3471#true} is VALID [2022-04-08 09:25:19,461 INFO L272 TraceCheckUtils]: 0: Hoare triple {3471#true} call ULTIMATE.init(); {3490#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-08 09:25:19,462 INFO L290 TraceCheckUtils]: 1: Hoare triple {3490#(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(13, 2);call #Ultimate.allocInit(12, 3); {3471#true} is VALID [2022-04-08 09:25:19,462 INFO L290 TraceCheckUtils]: 2: Hoare triple {3471#true} assume true; {3471#true} is VALID [2022-04-08 09:25:19,462 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {3471#true} {3471#true} #34#return; {3471#true} is VALID [2022-04-08 09:25:19,462 INFO L272 TraceCheckUtils]: 4: Hoare triple {3471#true} call #t~ret4 := main(); {3471#true} is VALID [2022-04-08 09:25:19,462 INFO L290 TraceCheckUtils]: 5: Hoare triple {3471#true} ~x~0 := 268435441; {3476#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:25:19,463 INFO L290 TraceCheckUtils]: 6: Hoare triple {3476#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3477#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:25:19,463 INFO L290 TraceCheckUtils]: 7: Hoare triple {3477#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3478#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:25:19,467 INFO L290 TraceCheckUtils]: 8: Hoare triple {3478#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3479#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:25:19,468 INFO L290 TraceCheckUtils]: 9: Hoare triple {3479#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3480#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:25:19,469 INFO L290 TraceCheckUtils]: 10: Hoare triple {3480#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3481#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:25:19,470 INFO L290 TraceCheckUtils]: 11: Hoare triple {3481#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3482#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:25:19,470 INFO L290 TraceCheckUtils]: 12: Hoare triple {3482#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3483#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:25:19,471 INFO L290 TraceCheckUtils]: 13: Hoare triple {3483#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3484#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:25:19,472 INFO L290 TraceCheckUtils]: 14: Hoare triple {3484#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3485#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:25:19,472 INFO L290 TraceCheckUtils]: 15: Hoare triple {3485#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3486#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:25:19,473 INFO L290 TraceCheckUtils]: 16: Hoare triple {3486#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3487#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:25:19,474 INFO L290 TraceCheckUtils]: 17: Hoare triple {3487#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3488#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:25:19,475 INFO L290 TraceCheckUtils]: 18: Hoare triple {3488#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3489#(and (<= 268435415 main_~x~0) (<= (div main_~x~0 4294967296) 0))} is VALID [2022-04-08 09:25:19,475 INFO L290 TraceCheckUtils]: 19: Hoare triple {3489#(and (<= 268435415 main_~x~0) (<= (div main_~x~0 4294967296) 0))} assume !(~x~0 % 4294967296 > 1); {3472#false} is VALID [2022-04-08 09:25:19,475 INFO L272 TraceCheckUtils]: 20: Hoare triple {3472#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)); {3472#false} is VALID [2022-04-08 09:25:19,475 INFO L290 TraceCheckUtils]: 21: Hoare triple {3472#false} ~cond := #in~cond; {3472#false} is VALID [2022-04-08 09:25:19,476 INFO L290 TraceCheckUtils]: 22: Hoare triple {3472#false} assume 0 == ~cond; {3472#false} is VALID [2022-04-08 09:25:19,476 INFO L290 TraceCheckUtils]: 23: Hoare triple {3472#false} assume !false; {3472#false} is VALID [2022-04-08 09:25:19,476 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:25:19,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 09:25:19,476 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405561528] [2022-04-08 09:25:19,476 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405561528] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-08 09:25:19,477 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2107075665] [2022-04-08 09:25:19,477 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-08 09:25:19,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 09:25:19,477 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 09:25:19,479 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) [2022-04-08 09:25:19,481 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-04-08 09:25:19,509 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-08 09:25:19,509 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 09:25:19,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 29 conjunts are in the unsatisfiable core [2022-04-08 09:25:19,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:25:19,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 09:25:19,802 INFO L272 TraceCheckUtils]: 0: Hoare triple {3471#true} call ULTIMATE.init(); {3471#true} is VALID [2022-04-08 09:25:19,802 INFO L290 TraceCheckUtils]: 1: Hoare triple {3471#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(13, 2);call #Ultimate.allocInit(12, 3); {3471#true} is VALID [2022-04-08 09:25:19,802 INFO L290 TraceCheckUtils]: 2: Hoare triple {3471#true} assume true; {3471#true} is VALID [2022-04-08 09:25:19,802 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {3471#true} {3471#true} #34#return; {3471#true} is VALID [2022-04-08 09:25:19,802 INFO L272 TraceCheckUtils]: 4: Hoare triple {3471#true} call #t~ret4 := main(); {3471#true} is VALID [2022-04-08 09:25:19,803 INFO L290 TraceCheckUtils]: 5: Hoare triple {3471#true} ~x~0 := 268435441; {3476#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:25:19,804 INFO L290 TraceCheckUtils]: 6: Hoare triple {3476#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3477#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:25:19,805 INFO L290 TraceCheckUtils]: 7: Hoare triple {3477#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3478#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:25:19,805 INFO L290 TraceCheckUtils]: 8: Hoare triple {3478#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3479#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:25:19,806 INFO L290 TraceCheckUtils]: 9: Hoare triple {3479#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3480#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:25:19,806 INFO L290 TraceCheckUtils]: 10: Hoare triple {3480#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3481#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:25:19,807 INFO L290 TraceCheckUtils]: 11: Hoare triple {3481#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3482#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:25:19,808 INFO L290 TraceCheckUtils]: 12: Hoare triple {3482#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3483#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:25:19,808 INFO L290 TraceCheckUtils]: 13: Hoare triple {3483#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3484#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:25:19,809 INFO L290 TraceCheckUtils]: 14: Hoare triple {3484#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3485#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:25:19,810 INFO L290 TraceCheckUtils]: 15: Hoare triple {3485#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3486#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:25:19,810 INFO L290 TraceCheckUtils]: 16: Hoare triple {3486#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3487#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:25:19,811 INFO L290 TraceCheckUtils]: 17: Hoare triple {3487#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3488#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:25:19,812 INFO L290 TraceCheckUtils]: 18: Hoare triple {3488#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3548#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:25:19,812 INFO L290 TraceCheckUtils]: 19: Hoare triple {3548#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !(~x~0 % 4294967296 > 1); {3472#false} is VALID [2022-04-08 09:25:19,812 INFO L272 TraceCheckUtils]: 20: Hoare triple {3472#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)); {3472#false} is VALID [2022-04-08 09:25:19,813 INFO L290 TraceCheckUtils]: 21: Hoare triple {3472#false} ~cond := #in~cond; {3472#false} is VALID [2022-04-08 09:25:19,813 INFO L290 TraceCheckUtils]: 22: Hoare triple {3472#false} assume 0 == ~cond; {3472#false} is VALID [2022-04-08 09:25:19,813 INFO L290 TraceCheckUtils]: 23: Hoare triple {3472#false} assume !false; {3472#false} is VALID [2022-04-08 09:25:19,813 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:25:19,813 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 09:25:20,275 INFO L290 TraceCheckUtils]: 23: Hoare triple {3472#false} assume !false; {3472#false} is VALID [2022-04-08 09:25:20,276 INFO L290 TraceCheckUtils]: 22: Hoare triple {3472#false} assume 0 == ~cond; {3472#false} is VALID [2022-04-08 09:25:20,276 INFO L290 TraceCheckUtils]: 21: Hoare triple {3472#false} ~cond := #in~cond; {3472#false} is VALID [2022-04-08 09:25:20,276 INFO L272 TraceCheckUtils]: 20: Hoare triple {3472#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)); {3472#false} is VALID [2022-04-08 09:25:20,276 INFO L290 TraceCheckUtils]: 19: Hoare triple {3576#(< 1 (mod main_~x~0 4294967296))} assume !(~x~0 % 4294967296 > 1); {3472#false} is VALID [2022-04-08 09:25:20,278 INFO L290 TraceCheckUtils]: 18: Hoare triple {3580#(< 1 (mod (+ main_~x~0 4294967294) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3576#(< 1 (mod main_~x~0 4294967296))} is VALID [2022-04-08 09:25:20,279 INFO L290 TraceCheckUtils]: 17: Hoare triple {3584#(< 1 (mod (+ 4294967292 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3580#(< 1 (mod (+ main_~x~0 4294967294) 4294967296))} is VALID [2022-04-08 09:25:20,281 INFO L290 TraceCheckUtils]: 16: Hoare triple {3588#(< 1 (mod (+ 4294967290 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3584#(< 1 (mod (+ 4294967292 main_~x~0) 4294967296))} is VALID [2022-04-08 09:25:20,281 INFO L290 TraceCheckUtils]: 15: Hoare triple {3592#(< 1 (mod (+ 4294967288 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3588#(< 1 (mod (+ 4294967290 main_~x~0) 4294967296))} is VALID [2022-04-08 09:25:20,282 INFO L290 TraceCheckUtils]: 14: Hoare triple {3596#(< 1 (mod (+ main_~x~0 4294967286) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3592#(< 1 (mod (+ 4294967288 main_~x~0) 4294967296))} is VALID [2022-04-08 09:25:20,283 INFO L290 TraceCheckUtils]: 13: Hoare triple {3600#(< 1 (mod (+ main_~x~0 4294967284) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3596#(< 1 (mod (+ main_~x~0 4294967286) 4294967296))} is VALID [2022-04-08 09:25:20,284 INFO L290 TraceCheckUtils]: 12: Hoare triple {3604#(< 1 (mod (+ 4294967282 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3600#(< 1 (mod (+ main_~x~0 4294967284) 4294967296))} is VALID [2022-04-08 09:25:20,285 INFO L290 TraceCheckUtils]: 11: Hoare triple {3608#(< 1 (mod (+ main_~x~0 4294967280) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3604#(< 1 (mod (+ 4294967282 main_~x~0) 4294967296))} is VALID [2022-04-08 09:25:20,286 INFO L290 TraceCheckUtils]: 10: Hoare triple {3612#(< 1 (mod (+ main_~x~0 4294967278) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3608#(< 1 (mod (+ main_~x~0 4294967280) 4294967296))} is VALID [2022-04-08 09:25:20,286 INFO L290 TraceCheckUtils]: 9: Hoare triple {3616#(< 1 (mod (+ 4294967276 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3612#(< 1 (mod (+ main_~x~0 4294967278) 4294967296))} is VALID [2022-04-08 09:25:20,287 INFO L290 TraceCheckUtils]: 8: Hoare triple {3620#(< 1 (mod (+ 4294967274 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3616#(< 1 (mod (+ 4294967276 main_~x~0) 4294967296))} is VALID [2022-04-08 09:25:20,290 INFO L290 TraceCheckUtils]: 7: Hoare triple {3624#(< 1 (mod (+ 4294967272 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3620#(< 1 (mod (+ 4294967274 main_~x~0) 4294967296))} is VALID [2022-04-08 09:25:20,291 INFO L290 TraceCheckUtils]: 6: Hoare triple {3628#(< 1 (mod (+ main_~x~0 4294967270) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3624#(< 1 (mod (+ 4294967272 main_~x~0) 4294967296))} is VALID [2022-04-08 09:25:20,291 INFO L290 TraceCheckUtils]: 5: Hoare triple {3471#true} ~x~0 := 268435441; {3628#(< 1 (mod (+ main_~x~0 4294967270) 4294967296))} is VALID [2022-04-08 09:25:20,291 INFO L272 TraceCheckUtils]: 4: Hoare triple {3471#true} call #t~ret4 := main(); {3471#true} is VALID [2022-04-08 09:25:20,291 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {3471#true} {3471#true} #34#return; {3471#true} is VALID [2022-04-08 09:25:20,292 INFO L290 TraceCheckUtils]: 2: Hoare triple {3471#true} assume true; {3471#true} is VALID [2022-04-08 09:25:20,292 INFO L290 TraceCheckUtils]: 1: Hoare triple {3471#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(13, 2);call #Ultimate.allocInit(12, 3); {3471#true} is VALID [2022-04-08 09:25:20,292 INFO L272 TraceCheckUtils]: 0: Hoare triple {3471#true} call ULTIMATE.init(); {3471#true} is VALID [2022-04-08 09:25:20,292 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:25:20,292 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2107075665] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-08 09:25:20,292 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-08 09:25:20,293 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16, 16] total 32 [2022-04-08 09:25:20,293 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 09:25:20,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1801875471] [2022-04-08 09:25:20,293 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1801875471] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 09:25:20,293 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 09:25:20,293 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-04-08 09:25:20,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569049219] [2022-04-08 09:25:20,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 09:25:20,294 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 16 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 [2022-04-08 09:25:20,294 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 09:25:20,294 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 17 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 16 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) [2022-04-08 09:25:20,311 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:25:20,311 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-04-08 09:25:20,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 09:25:20,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-04-08 09:25:20,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=285, Invalid=707, Unknown=0, NotChecked=0, Total=992 [2022-04-08 09:25:20,312 INFO L87 Difference]: Start difference. First operand 25 states and 25 transitions. Second operand has 17 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 16 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) [2022-04-08 09:25:20,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:25:20,858 INFO L93 Difference]: Finished difference Result 31 states and 31 transitions. [2022-04-08 09:25:20,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-04-08 09:25:20,858 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 16 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 [2022-04-08 09:25:20,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 09:25:20,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 16 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) [2022-04-08 09:25:20,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 31 transitions. [2022-04-08 09:25:20,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 16 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) [2022-04-08 09:25:20,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 31 transitions. [2022-04-08 09:25:20,860 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 17 states and 31 transitions. [2022-04-08 09:25:20,892 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 31 edges. 31 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:25:20,893 INFO L225 Difference]: With dead ends: 31 [2022-04-08 09:25:20,893 INFO L226 Difference]: Without dead ends: 26 [2022-04-08 09:25:20,895 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=563, Invalid=1507, Unknown=0, NotChecked=0, Total=2070 [2022-04-08 09:25:20,895 INFO L913 BasicCegarLoop]: 11 mSDtfsCounter, 6 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-08 09:25:20,895 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 38 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-08 09:25:20,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2022-04-08 09:25:20,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2022-04-08 09:25:20,934 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 09:25:20,934 INFO L82 GeneralOperation]: Start isEquivalent. First operand 26 states. Second operand has 26 states, 21 states have (on average 1.0476190476190477) internal successors, (22), 21 states have internal predecessors, (22), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:20,935 INFO L74 IsIncluded]: Start isIncluded. First operand 26 states. Second operand has 26 states, 21 states have (on average 1.0476190476190477) internal successors, (22), 21 states have internal predecessors, (22), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:20,935 INFO L87 Difference]: Start difference. First operand 26 states. Second operand has 26 states, 21 states have (on average 1.0476190476190477) internal successors, (22), 21 states have internal predecessors, (22), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:20,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:25:20,935 INFO L93 Difference]: Finished difference Result 26 states and 26 transitions. [2022-04-08 09:25:20,936 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 26 transitions. [2022-04-08 09:25:20,936 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:25:20,936 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:25:20,936 INFO L74 IsIncluded]: Start isIncluded. First operand has 26 states, 21 states have (on average 1.0476190476190477) internal successors, (22), 21 states have internal predecessors, (22), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 26 states. [2022-04-08 09:25:20,936 INFO L87 Difference]: Start difference. First operand has 26 states, 21 states have (on average 1.0476190476190477) internal successors, (22), 21 states have internal predecessors, (22), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 26 states. [2022-04-08 09:25:20,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:25:20,937 INFO L93 Difference]: Finished difference Result 26 states and 26 transitions. [2022-04-08 09:25:20,937 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 26 transitions. [2022-04-08 09:25:20,937 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:25:20,937 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:25:20,937 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 09:25:20,937 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 09:25:20,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 21 states have (on average 1.0476190476190477) internal successors, (22), 21 states have internal predecessors, (22), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:20,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 26 transitions. [2022-04-08 09:25:20,947 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 26 transitions. Word has length 24 [2022-04-08 09:25:20,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 09:25:20,948 INFO L478 AbstractCegarLoop]: Abstraction has 26 states and 26 transitions. [2022-04-08 09:25:20,948 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 16 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) [2022-04-08 09:25:20,948 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 26 states and 26 transitions. [2022-04-08 09:25:20,969 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 26 edges. 26 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:25:20,970 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 26 transitions. [2022-04-08 09:25:20,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-04-08 09:25:20,970 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 09:25:20,970 INFO L499 BasicCegarLoop]: trace histogram [14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 09:25:20,986 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-04-08 09:25:21,171 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-04-08 09:25:21,171 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 09:25:21,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 09:25:21,171 INFO L85 PathProgramCache]: Analyzing trace with hash -186252644, now seen corresponding path program 27 times [2022-04-08 09:25:21,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 09:25:21,172 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [959484175] [2022-04-08 09:25:21,179 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-08 09:25:21,179 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-08 09:25:21,179 INFO L85 PathProgramCache]: Analyzing trace with hash -186252644, now seen corresponding path program 28 times [2022-04-08 09:25:21,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 09:25:21,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531939049] [2022-04-08 09:25:21,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 09:25:21,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 09:25:21,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:25:21,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-08 09:25:21,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:25:21,465 INFO L290 TraceCheckUtils]: 0: Hoare triple {3863#(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(13, 2);call #Ultimate.allocInit(12, 3); {3843#true} is VALID [2022-04-08 09:25:21,465 INFO L290 TraceCheckUtils]: 1: Hoare triple {3843#true} assume true; {3843#true} is VALID [2022-04-08 09:25:21,466 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {3843#true} {3843#true} #34#return; {3843#true} is VALID [2022-04-08 09:25:21,466 INFO L272 TraceCheckUtils]: 0: Hoare triple {3843#true} call ULTIMATE.init(); {3863#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-08 09:25:21,466 INFO L290 TraceCheckUtils]: 1: Hoare triple {3863#(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(13, 2);call #Ultimate.allocInit(12, 3); {3843#true} is VALID [2022-04-08 09:25:21,466 INFO L290 TraceCheckUtils]: 2: Hoare triple {3843#true} assume true; {3843#true} is VALID [2022-04-08 09:25:21,467 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {3843#true} {3843#true} #34#return; {3843#true} is VALID [2022-04-08 09:25:21,467 INFO L272 TraceCheckUtils]: 4: Hoare triple {3843#true} call #t~ret4 := main(); {3843#true} is VALID [2022-04-08 09:25:21,491 INFO L290 TraceCheckUtils]: 5: Hoare triple {3843#true} ~x~0 := 268435441; {3848#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:25:21,492 INFO L290 TraceCheckUtils]: 6: Hoare triple {3848#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3849#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:25:21,493 INFO L290 TraceCheckUtils]: 7: Hoare triple {3849#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3850#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:25:21,494 INFO L290 TraceCheckUtils]: 8: Hoare triple {3850#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3851#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:25:21,494 INFO L290 TraceCheckUtils]: 9: Hoare triple {3851#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3852#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:25:21,495 INFO L290 TraceCheckUtils]: 10: Hoare triple {3852#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3853#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:25:21,496 INFO L290 TraceCheckUtils]: 11: Hoare triple {3853#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3854#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:25:21,496 INFO L290 TraceCheckUtils]: 12: Hoare triple {3854#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3855#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:25:21,497 INFO L290 TraceCheckUtils]: 13: Hoare triple {3855#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3856#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:25:21,498 INFO L290 TraceCheckUtils]: 14: Hoare triple {3856#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3857#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:25:21,498 INFO L290 TraceCheckUtils]: 15: Hoare triple {3857#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3858#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:25:21,499 INFO L290 TraceCheckUtils]: 16: Hoare triple {3858#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3859#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:25:21,499 INFO L290 TraceCheckUtils]: 17: Hoare triple {3859#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3860#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:25:21,500 INFO L290 TraceCheckUtils]: 18: Hoare triple {3860#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3861#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:25:21,501 INFO L290 TraceCheckUtils]: 19: Hoare triple {3861#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3862#(and (<= 268435413 main_~x~0) (<= (div main_~x~0 4294967296) 0))} is VALID [2022-04-08 09:25:21,501 INFO L290 TraceCheckUtils]: 20: Hoare triple {3862#(and (<= 268435413 main_~x~0) (<= (div main_~x~0 4294967296) 0))} assume !(~x~0 % 4294967296 > 1); {3844#false} is VALID [2022-04-08 09:25:21,502 INFO L272 TraceCheckUtils]: 21: Hoare triple {3844#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)); {3844#false} is VALID [2022-04-08 09:25:21,502 INFO L290 TraceCheckUtils]: 22: Hoare triple {3844#false} ~cond := #in~cond; {3844#false} is VALID [2022-04-08 09:25:21,502 INFO L290 TraceCheckUtils]: 23: Hoare triple {3844#false} assume 0 == ~cond; {3844#false} is VALID [2022-04-08 09:25:21,502 INFO L290 TraceCheckUtils]: 24: Hoare triple {3844#false} assume !false; {3844#false} is VALID [2022-04-08 09:25:21,502 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:25:21,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 09:25:21,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531939049] [2022-04-08 09:25:21,503 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531939049] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-08 09:25:21,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [898199677] [2022-04-08 09:25:21,503 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-08 09:25:21,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 09:25:21,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 09:25:21,516 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) [2022-04-08 09:25:21,518 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-04-08 09:25:21,580 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-08 09:25:21,580 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 09:25:21,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 31 conjunts are in the unsatisfiable core [2022-04-08 09:25:21,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:25:21,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 09:25:21,961 INFO L272 TraceCheckUtils]: 0: Hoare triple {3843#true} call ULTIMATE.init(); {3843#true} is VALID [2022-04-08 09:25:21,961 INFO L290 TraceCheckUtils]: 1: Hoare triple {3843#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(13, 2);call #Ultimate.allocInit(12, 3); {3843#true} is VALID [2022-04-08 09:25:21,961 INFO L290 TraceCheckUtils]: 2: Hoare triple {3843#true} assume true; {3843#true} is VALID [2022-04-08 09:25:21,961 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {3843#true} {3843#true} #34#return; {3843#true} is VALID [2022-04-08 09:25:21,961 INFO L272 TraceCheckUtils]: 4: Hoare triple {3843#true} call #t~ret4 := main(); {3843#true} is VALID [2022-04-08 09:25:21,962 INFO L290 TraceCheckUtils]: 5: Hoare triple {3843#true} ~x~0 := 268435441; {3848#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:25:21,963 INFO L290 TraceCheckUtils]: 6: Hoare triple {3848#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3849#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:25:21,963 INFO L290 TraceCheckUtils]: 7: Hoare triple {3849#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3850#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:25:21,964 INFO L290 TraceCheckUtils]: 8: Hoare triple {3850#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3851#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:25:21,964 INFO L290 TraceCheckUtils]: 9: Hoare triple {3851#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3852#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:25:21,965 INFO L290 TraceCheckUtils]: 10: Hoare triple {3852#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3853#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:25:21,966 INFO L290 TraceCheckUtils]: 11: Hoare triple {3853#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3854#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:25:21,966 INFO L290 TraceCheckUtils]: 12: Hoare triple {3854#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3855#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:25:21,967 INFO L290 TraceCheckUtils]: 13: Hoare triple {3855#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3856#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:25:21,968 INFO L290 TraceCheckUtils]: 14: Hoare triple {3856#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3857#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:25:21,968 INFO L290 TraceCheckUtils]: 15: Hoare triple {3857#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3858#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:25:21,969 INFO L290 TraceCheckUtils]: 16: Hoare triple {3858#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3859#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:25:21,970 INFO L290 TraceCheckUtils]: 17: Hoare triple {3859#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3860#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:25:21,970 INFO L290 TraceCheckUtils]: 18: Hoare triple {3860#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3861#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:25:21,971 INFO L290 TraceCheckUtils]: 19: Hoare triple {3861#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3924#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} is VALID [2022-04-08 09:25:21,972 INFO L290 TraceCheckUtils]: 20: Hoare triple {3924#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} assume !(~x~0 % 4294967296 > 1); {3844#false} is VALID [2022-04-08 09:25:21,972 INFO L272 TraceCheckUtils]: 21: Hoare triple {3844#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)); {3844#false} is VALID [2022-04-08 09:25:21,972 INFO L290 TraceCheckUtils]: 22: Hoare triple {3844#false} ~cond := #in~cond; {3844#false} is VALID [2022-04-08 09:25:21,972 INFO L290 TraceCheckUtils]: 23: Hoare triple {3844#false} assume 0 == ~cond; {3844#false} is VALID [2022-04-08 09:25:21,972 INFO L290 TraceCheckUtils]: 24: Hoare triple {3844#false} assume !false; {3844#false} is VALID [2022-04-08 09:25:21,972 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:25:21,972 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 09:25:22,450 INFO L290 TraceCheckUtils]: 24: Hoare triple {3844#false} assume !false; {3844#false} is VALID [2022-04-08 09:25:22,450 INFO L290 TraceCheckUtils]: 23: Hoare triple {3844#false} assume 0 == ~cond; {3844#false} is VALID [2022-04-08 09:25:22,450 INFO L290 TraceCheckUtils]: 22: Hoare triple {3844#false} ~cond := #in~cond; {3844#false} is VALID [2022-04-08 09:25:22,451 INFO L272 TraceCheckUtils]: 21: Hoare triple {3844#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)); {3844#false} is VALID [2022-04-08 09:25:22,451 INFO L290 TraceCheckUtils]: 20: Hoare triple {3952#(< 1 (mod main_~x~0 4294967296))} assume !(~x~0 % 4294967296 > 1); {3844#false} is VALID [2022-04-08 09:25:22,452 INFO L290 TraceCheckUtils]: 19: Hoare triple {3956#(< 1 (mod (+ main_~x~0 4294967294) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3952#(< 1 (mod main_~x~0 4294967296))} is VALID [2022-04-08 09:25:22,452 INFO L290 TraceCheckUtils]: 18: Hoare triple {3960#(< 1 (mod (+ 4294967292 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3956#(< 1 (mod (+ main_~x~0 4294967294) 4294967296))} is VALID [2022-04-08 09:25:22,453 INFO L290 TraceCheckUtils]: 17: Hoare triple {3964#(< 1 (mod (+ 4294967290 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3960#(< 1 (mod (+ 4294967292 main_~x~0) 4294967296))} is VALID [2022-04-08 09:25:22,459 INFO L290 TraceCheckUtils]: 16: Hoare triple {3968#(< 1 (mod (+ 4294967288 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3964#(< 1 (mod (+ 4294967290 main_~x~0) 4294967296))} is VALID [2022-04-08 09:25:22,460 INFO L290 TraceCheckUtils]: 15: Hoare triple {3972#(< 1 (mod (+ main_~x~0 4294967286) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3968#(< 1 (mod (+ 4294967288 main_~x~0) 4294967296))} is VALID [2022-04-08 09:25:22,460 INFO L290 TraceCheckUtils]: 14: Hoare triple {3976#(< 1 (mod (+ main_~x~0 4294967284) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3972#(< 1 (mod (+ main_~x~0 4294967286) 4294967296))} is VALID [2022-04-08 09:25:22,461 INFO L290 TraceCheckUtils]: 13: Hoare triple {3980#(< 1 (mod (+ 4294967282 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3976#(< 1 (mod (+ main_~x~0 4294967284) 4294967296))} is VALID [2022-04-08 09:25:22,462 INFO L290 TraceCheckUtils]: 12: Hoare triple {3984#(< 1 (mod (+ main_~x~0 4294967280) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3980#(< 1 (mod (+ 4294967282 main_~x~0) 4294967296))} is VALID [2022-04-08 09:25:22,463 INFO L290 TraceCheckUtils]: 11: Hoare triple {3988#(< 1 (mod (+ main_~x~0 4294967278) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3984#(< 1 (mod (+ main_~x~0 4294967280) 4294967296))} is VALID [2022-04-08 09:25:22,464 INFO L290 TraceCheckUtils]: 10: Hoare triple {3992#(< 1 (mod (+ 4294967276 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3988#(< 1 (mod (+ main_~x~0 4294967278) 4294967296))} is VALID [2022-04-08 09:25:22,465 INFO L290 TraceCheckUtils]: 9: Hoare triple {3996#(< 1 (mod (+ 4294967274 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3992#(< 1 (mod (+ 4294967276 main_~x~0) 4294967296))} is VALID [2022-04-08 09:25:22,466 INFO L290 TraceCheckUtils]: 8: Hoare triple {4000#(< 1 (mod (+ 4294967272 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {3996#(< 1 (mod (+ 4294967274 main_~x~0) 4294967296))} is VALID [2022-04-08 09:25:22,467 INFO L290 TraceCheckUtils]: 7: Hoare triple {4004#(< 1 (mod (+ main_~x~0 4294967270) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4000#(< 1 (mod (+ 4294967272 main_~x~0) 4294967296))} is VALID [2022-04-08 09:25:22,468 INFO L290 TraceCheckUtils]: 6: Hoare triple {4008#(< 1 (mod (+ main_~x~0 4294967268) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4004#(< 1 (mod (+ main_~x~0 4294967270) 4294967296))} is VALID [2022-04-08 09:25:22,468 INFO L290 TraceCheckUtils]: 5: Hoare triple {3843#true} ~x~0 := 268435441; {4008#(< 1 (mod (+ main_~x~0 4294967268) 4294967296))} is VALID [2022-04-08 09:25:22,468 INFO L272 TraceCheckUtils]: 4: Hoare triple {3843#true} call #t~ret4 := main(); {3843#true} is VALID [2022-04-08 09:25:22,469 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {3843#true} {3843#true} #34#return; {3843#true} is VALID [2022-04-08 09:25:22,469 INFO L290 TraceCheckUtils]: 2: Hoare triple {3843#true} assume true; {3843#true} is VALID [2022-04-08 09:25:22,469 INFO L290 TraceCheckUtils]: 1: Hoare triple {3843#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(13, 2);call #Ultimate.allocInit(12, 3); {3843#true} is VALID [2022-04-08 09:25:22,469 INFO L272 TraceCheckUtils]: 0: Hoare triple {3843#true} call ULTIMATE.init(); {3843#true} is VALID [2022-04-08 09:25:22,469 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:25:22,470 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [898199677] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-08 09:25:22,470 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-08 09:25:22,470 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17, 17] total 34 [2022-04-08 09:25:22,470 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 09:25:22,470 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [959484175] [2022-04-08 09:25:22,470 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [959484175] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 09:25:22,470 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 09:25:22,470 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-04-08 09:25:22,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638048290] [2022-04-08 09:25:22,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 09:25:22,471 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 17 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 [2022-04-08 09:25:22,471 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 09:25:22,471 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 18 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 17 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) [2022-04-08 09:25:22,490 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 25 edges. 25 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:25:22,490 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-04-08 09:25:22,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 09:25:22,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-04-08 09:25:22,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=320, Invalid=802, Unknown=0, NotChecked=0, Total=1122 [2022-04-08 09:25:22,491 INFO L87 Difference]: Start difference. First operand 26 states and 26 transitions. Second operand has 18 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 17 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) [2022-04-08 09:25:23,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:25:23,057 INFO L93 Difference]: Finished difference Result 32 states and 32 transitions. [2022-04-08 09:25:23,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-04-08 09:25:23,057 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 17 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 [2022-04-08 09:25:23,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 09:25:23,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 17 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) [2022-04-08 09:25:23,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 32 transitions. [2022-04-08 09:25:23,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 17 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) [2022-04-08 09:25:23,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 32 transitions. [2022-04-08 09:25:23,059 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 18 states and 32 transitions. [2022-04-08 09:25:23,091 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 32 edges. 32 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:25:23,092 INFO L225 Difference]: With dead ends: 32 [2022-04-08 09:25:23,092 INFO L226 Difference]: Without dead ends: 27 [2022-04-08 09:25:23,093 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 36 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=633, Invalid=1719, Unknown=0, NotChecked=0, Total=2352 [2022-04-08 09:25:23,094 INFO L913 BasicCegarLoop]: 11 mSDtfsCounter, 6 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-08 09:25:23,094 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 33 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 232 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-08 09:25:23,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2022-04-08 09:25:23,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2022-04-08 09:25:23,119 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 09:25:23,119 INFO L82 GeneralOperation]: Start isEquivalent. First operand 27 states. Second operand has 27 states, 22 states have (on average 1.0454545454545454) internal successors, (23), 22 states have internal predecessors, (23), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:23,119 INFO L74 IsIncluded]: Start isIncluded. First operand 27 states. Second operand has 27 states, 22 states have (on average 1.0454545454545454) internal successors, (23), 22 states have internal predecessors, (23), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:23,119 INFO L87 Difference]: Start difference. First operand 27 states. Second operand has 27 states, 22 states have (on average 1.0454545454545454) internal successors, (23), 22 states have internal predecessors, (23), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:23,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:25:23,120 INFO L93 Difference]: Finished difference Result 27 states and 27 transitions. [2022-04-08 09:25:23,120 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2022-04-08 09:25:23,120 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:25:23,120 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:25:23,120 INFO L74 IsIncluded]: Start isIncluded. First operand has 27 states, 22 states have (on average 1.0454545454545454) internal successors, (23), 22 states have internal predecessors, (23), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 27 states. [2022-04-08 09:25:23,121 INFO L87 Difference]: Start difference. First operand has 27 states, 22 states have (on average 1.0454545454545454) internal successors, (23), 22 states have internal predecessors, (23), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 27 states. [2022-04-08 09:25:23,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:25:23,121 INFO L93 Difference]: Finished difference Result 27 states and 27 transitions. [2022-04-08 09:25:23,121 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2022-04-08 09:25:23,122 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:25:23,122 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:25:23,122 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 09:25:23,122 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 09:25:23,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 22 states have (on average 1.0454545454545454) internal successors, (23), 22 states have internal predecessors, (23), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:23,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions. [2022-04-08 09:25:23,123 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 27 transitions. Word has length 25 [2022-04-08 09:25:23,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 09:25:23,123 INFO L478 AbstractCegarLoop]: Abstraction has 27 states and 27 transitions. [2022-04-08 09:25:23,123 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 17 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) [2022-04-08 09:25:23,123 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 27 states and 27 transitions. [2022-04-08 09:25:23,147 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 27 edges. 27 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:25:23,147 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2022-04-08 09:25:23,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-04-08 09:25:23,147 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 09:25:23,147 INFO L499 BasicCegarLoop]: trace histogram [15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 09:25:23,163 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2022-04-08 09:25:23,355 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 09:25:23,355 INFO L403 AbstractCegarLoop]: === Iteration 17 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 09:25:23,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 09:25:23,356 INFO L85 PathProgramCache]: Analyzing trace with hash -1442403402, now seen corresponding path program 29 times [2022-04-08 09:25:23,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 09:25:23,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [982401717] [2022-04-08 09:25:23,358 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-08 09:25:23,358 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-08 09:25:23,359 INFO L85 PathProgramCache]: Analyzing trace with hash -1442403402, now seen corresponding path program 30 times [2022-04-08 09:25:23,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 09:25:23,359 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514966103] [2022-04-08 09:25:23,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 09:25:23,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 09:25:23,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:25:23,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-08 09:25:23,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:25:23,633 INFO L290 TraceCheckUtils]: 0: Hoare triple {4252#(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(13, 2);call #Ultimate.allocInit(12, 3); {4231#true} is VALID [2022-04-08 09:25:23,634 INFO L290 TraceCheckUtils]: 1: Hoare triple {4231#true} assume true; {4231#true} is VALID [2022-04-08 09:25:23,634 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {4231#true} {4231#true} #34#return; {4231#true} is VALID [2022-04-08 09:25:23,634 INFO L272 TraceCheckUtils]: 0: Hoare triple {4231#true} call ULTIMATE.init(); {4252#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-08 09:25:23,634 INFO L290 TraceCheckUtils]: 1: Hoare triple {4252#(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(13, 2);call #Ultimate.allocInit(12, 3); {4231#true} is VALID [2022-04-08 09:25:23,635 INFO L290 TraceCheckUtils]: 2: Hoare triple {4231#true} assume true; {4231#true} is VALID [2022-04-08 09:25:23,635 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {4231#true} {4231#true} #34#return; {4231#true} is VALID [2022-04-08 09:25:23,635 INFO L272 TraceCheckUtils]: 4: Hoare triple {4231#true} call #t~ret4 := main(); {4231#true} is VALID [2022-04-08 09:25:23,635 INFO L290 TraceCheckUtils]: 5: Hoare triple {4231#true} ~x~0 := 268435441; {4236#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:25:23,636 INFO L290 TraceCheckUtils]: 6: Hoare triple {4236#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4237#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:25:23,636 INFO L290 TraceCheckUtils]: 7: Hoare triple {4237#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4238#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:25:23,637 INFO L290 TraceCheckUtils]: 8: Hoare triple {4238#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4239#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:25:23,637 INFO L290 TraceCheckUtils]: 9: Hoare triple {4239#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4240#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:25:23,638 INFO L290 TraceCheckUtils]: 10: Hoare triple {4240#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4241#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:25:23,639 INFO L290 TraceCheckUtils]: 11: Hoare triple {4241#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4242#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:25:23,639 INFO L290 TraceCheckUtils]: 12: Hoare triple {4242#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4243#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:25:23,640 INFO L290 TraceCheckUtils]: 13: Hoare triple {4243#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4244#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:25:23,640 INFO L290 TraceCheckUtils]: 14: Hoare triple {4244#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4245#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:25:23,641 INFO L290 TraceCheckUtils]: 15: Hoare triple {4245#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4246#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:25:23,641 INFO L290 TraceCheckUtils]: 16: Hoare triple {4246#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4247#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:25:23,642 INFO L290 TraceCheckUtils]: 17: Hoare triple {4247#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4248#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:25:23,642 INFO L290 TraceCheckUtils]: 18: Hoare triple {4248#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4249#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:25:23,643 INFO L290 TraceCheckUtils]: 19: Hoare triple {4249#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4250#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} is VALID [2022-04-08 09:25:23,643 INFO L290 TraceCheckUtils]: 20: Hoare triple {4250#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4251#(and (<= (div main_~x~0 4294967296) 0) (<= 268435411 main_~x~0))} is VALID [2022-04-08 09:25:23,644 INFO L290 TraceCheckUtils]: 21: Hoare triple {4251#(and (<= (div main_~x~0 4294967296) 0) (<= 268435411 main_~x~0))} assume !(~x~0 % 4294967296 > 1); {4232#false} is VALID [2022-04-08 09:25:23,644 INFO L272 TraceCheckUtils]: 22: Hoare triple {4232#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)); {4232#false} is VALID [2022-04-08 09:25:23,644 INFO L290 TraceCheckUtils]: 23: Hoare triple {4232#false} ~cond := #in~cond; {4232#false} is VALID [2022-04-08 09:25:23,644 INFO L290 TraceCheckUtils]: 24: Hoare triple {4232#false} assume 0 == ~cond; {4232#false} is VALID [2022-04-08 09:25:23,644 INFO L290 TraceCheckUtils]: 25: Hoare triple {4232#false} assume !false; {4232#false} is VALID [2022-04-08 09:25:23,644 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:25:23,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 09:25:23,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514966103] [2022-04-08 09:25:23,645 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514966103] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-08 09:25:23,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1576620311] [2022-04-08 09:25:23,645 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-04-08 09:25:23,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 09:25:23,645 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 09:25:23,646 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) [2022-04-08 09:25:23,647 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-04-08 09:25:23,858 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2022-04-08 09:25:23,858 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 09:25:23,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 36 conjunts are in the unsatisfiable core [2022-04-08 09:25:23,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:25:23,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 09:25:24,066 INFO L272 TraceCheckUtils]: 0: Hoare triple {4231#true} call ULTIMATE.init(); {4231#true} is VALID [2022-04-08 09:25:24,067 INFO L290 TraceCheckUtils]: 1: Hoare triple {4231#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(13, 2);call #Ultimate.allocInit(12, 3); {4231#true} is VALID [2022-04-08 09:25:24,067 INFO L290 TraceCheckUtils]: 2: Hoare triple {4231#true} assume true; {4231#true} is VALID [2022-04-08 09:25:24,067 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {4231#true} {4231#true} #34#return; {4231#true} is VALID [2022-04-08 09:25:24,067 INFO L272 TraceCheckUtils]: 4: Hoare triple {4231#true} call #t~ret4 := main(); {4231#true} is VALID [2022-04-08 09:25:24,067 INFO L290 TraceCheckUtils]: 5: Hoare triple {4231#true} ~x~0 := 268435441; {4236#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:25:24,068 INFO L290 TraceCheckUtils]: 6: Hoare triple {4236#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4237#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:25:24,068 INFO L290 TraceCheckUtils]: 7: Hoare triple {4237#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4238#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:25:24,070 INFO L290 TraceCheckUtils]: 8: Hoare triple {4238#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4239#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:25:24,070 INFO L290 TraceCheckUtils]: 9: Hoare triple {4239#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4240#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:25:24,071 INFO L290 TraceCheckUtils]: 10: Hoare triple {4240#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4241#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:25:24,071 INFO L290 TraceCheckUtils]: 11: Hoare triple {4241#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4242#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:25:24,072 INFO L290 TraceCheckUtils]: 12: Hoare triple {4242#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4243#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:25:24,072 INFO L290 TraceCheckUtils]: 13: Hoare triple {4243#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4244#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:25:24,073 INFO L290 TraceCheckUtils]: 14: Hoare triple {4244#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4245#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:25:24,073 INFO L290 TraceCheckUtils]: 15: Hoare triple {4245#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4246#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:25:24,074 INFO L290 TraceCheckUtils]: 16: Hoare triple {4246#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4247#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:25:24,074 INFO L290 TraceCheckUtils]: 17: Hoare triple {4247#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4248#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:25:24,075 INFO L290 TraceCheckUtils]: 18: Hoare triple {4248#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4249#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:25:24,075 INFO L290 TraceCheckUtils]: 19: Hoare triple {4249#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4250#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} is VALID [2022-04-08 09:25:24,076 INFO L290 TraceCheckUtils]: 20: Hoare triple {4250#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4316#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} is VALID [2022-04-08 09:25:24,076 INFO L290 TraceCheckUtils]: 21: Hoare triple {4316#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} assume !(~x~0 % 4294967296 > 1); {4232#false} is VALID [2022-04-08 09:25:24,076 INFO L272 TraceCheckUtils]: 22: Hoare triple {4232#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)); {4232#false} is VALID [2022-04-08 09:25:24,076 INFO L290 TraceCheckUtils]: 23: Hoare triple {4232#false} ~cond := #in~cond; {4232#false} is VALID [2022-04-08 09:25:24,077 INFO L290 TraceCheckUtils]: 24: Hoare triple {4232#false} assume 0 == ~cond; {4232#false} is VALID [2022-04-08 09:25:24,077 INFO L290 TraceCheckUtils]: 25: Hoare triple {4232#false} assume !false; {4232#false} is VALID [2022-04-08 09:25:24,077 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:25:24,077 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 09:25:24,873 INFO L290 TraceCheckUtils]: 25: Hoare triple {4232#false} assume !false; {4232#false} is VALID [2022-04-08 09:25:24,873 INFO L290 TraceCheckUtils]: 24: Hoare triple {4335#(not (<= __VERIFIER_assert_~cond 0))} assume 0 == ~cond; {4232#false} is VALID [2022-04-08 09:25:24,874 INFO L290 TraceCheckUtils]: 23: Hoare triple {4339#(< 0 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {4335#(not (<= __VERIFIER_assert_~cond 0))} is VALID [2022-04-08 09:25:24,874 INFO L272 TraceCheckUtils]: 22: Hoare triple {4343#(= (mod main_~x~0 2) 0)} 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)); {4339#(< 0 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-08 09:25:24,874 INFO L290 TraceCheckUtils]: 21: Hoare triple {4347#(or (< 1 (mod main_~x~0 4294967296)) (= (mod main_~x~0 2) 0))} assume !(~x~0 % 4294967296 > 1); {4343#(= (mod main_~x~0 2) 0)} is VALID [2022-04-08 09:25:24,875 INFO L290 TraceCheckUtils]: 20: Hoare triple {4351#(or (< 1 (mod (+ main_~x~0 4294967294) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4347#(or (< 1 (mod main_~x~0 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:24,876 INFO L290 TraceCheckUtils]: 19: Hoare triple {4355#(or (< 1 (mod (+ 4294967292 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4351#(or (< 1 (mod (+ main_~x~0 4294967294) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:24,877 INFO L290 TraceCheckUtils]: 18: Hoare triple {4359#(or (< 1 (mod (+ 4294967290 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4355#(or (< 1 (mod (+ 4294967292 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:24,880 INFO L290 TraceCheckUtils]: 17: Hoare triple {4363#(or (< 1 (mod (+ 4294967288 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4359#(or (< 1 (mod (+ 4294967290 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:24,881 INFO L290 TraceCheckUtils]: 16: Hoare triple {4367#(or (< 1 (mod (+ main_~x~0 4294967286) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4363#(or (< 1 (mod (+ 4294967288 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:24,882 INFO L290 TraceCheckUtils]: 15: Hoare triple {4371#(or (< 1 (mod (+ main_~x~0 4294967284) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4367#(or (< 1 (mod (+ main_~x~0 4294967286) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:24,882 INFO L290 TraceCheckUtils]: 14: Hoare triple {4375#(or (< 1 (mod (+ 4294967282 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4371#(or (< 1 (mod (+ main_~x~0 4294967284) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:24,885 INFO L290 TraceCheckUtils]: 13: Hoare triple {4379#(or (< 1 (mod (+ main_~x~0 4294967280) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4375#(or (< 1 (mod (+ 4294967282 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:24,886 INFO L290 TraceCheckUtils]: 12: Hoare triple {4383#(or (< 1 (mod (+ main_~x~0 4294967278) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4379#(or (< 1 (mod (+ main_~x~0 4294967280) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:24,887 INFO L290 TraceCheckUtils]: 11: Hoare triple {4387#(or (< 1 (mod (+ 4294967276 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4383#(or (< 1 (mod (+ main_~x~0 4294967278) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:24,888 INFO L290 TraceCheckUtils]: 10: Hoare triple {4391#(or (< 1 (mod (+ 4294967274 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4387#(or (< 1 (mod (+ 4294967276 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:24,889 INFO L290 TraceCheckUtils]: 9: Hoare triple {4395#(or (< 1 (mod (+ 4294967272 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4391#(or (< 1 (mod (+ 4294967274 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:24,889 INFO L290 TraceCheckUtils]: 8: Hoare triple {4399#(or (< 1 (mod (+ main_~x~0 4294967270) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4395#(or (< 1 (mod (+ 4294967272 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:24,890 INFO L290 TraceCheckUtils]: 7: Hoare triple {4403#(or (< 1 (mod (+ main_~x~0 4294967268) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4399#(or (< 1 (mod (+ main_~x~0 4294967270) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:24,891 INFO L290 TraceCheckUtils]: 6: Hoare triple {4407#(or (< 1 (mod (+ main_~x~0 4294967266) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4403#(or (< 1 (mod (+ main_~x~0 4294967268) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:24,892 INFO L290 TraceCheckUtils]: 5: Hoare triple {4231#true} ~x~0 := 268435441; {4407#(or (< 1 (mod (+ main_~x~0 4294967266) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:24,892 INFO L272 TraceCheckUtils]: 4: Hoare triple {4231#true} call #t~ret4 := main(); {4231#true} is VALID [2022-04-08 09:25:24,892 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {4231#true} {4231#true} #34#return; {4231#true} is VALID [2022-04-08 09:25:24,892 INFO L290 TraceCheckUtils]: 2: Hoare triple {4231#true} assume true; {4231#true} is VALID [2022-04-08 09:25:24,892 INFO L290 TraceCheckUtils]: 1: Hoare triple {4231#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(13, 2);call #Ultimate.allocInit(12, 3); {4231#true} is VALID [2022-04-08 09:25:24,892 INFO L272 TraceCheckUtils]: 0: Hoare triple {4231#true} call ULTIMATE.init(); {4231#true} is VALID [2022-04-08 09:25:24,892 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:25:24,893 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1576620311] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-08 09:25:24,893 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-08 09:25:24,893 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 18, 21] total 39 [2022-04-08 09:25:24,893 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 09:25:24,893 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [982401717] [2022-04-08 09:25:24,893 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [982401717] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 09:25:24,893 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 09:25:24,893 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-04-08 09:25:24,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941150917] [2022-04-08 09:25:24,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 09:25:24,894 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 18 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 [2022-04-08 09:25:24,894 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 09:25:24,894 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 19 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 18 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) [2022-04-08 09:25:24,911 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 26 edges. 26 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:25:24,911 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-04-08 09:25:24,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 09:25:24,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-04-08 09:25:24,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=379, Invalid=1103, Unknown=0, NotChecked=0, Total=1482 [2022-04-08 09:25:24,913 INFO L87 Difference]: Start difference. First operand 27 states and 27 transitions. Second operand has 19 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 18 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) [2022-04-08 09:25:25,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:25:25,662 INFO L93 Difference]: Finished difference Result 33 states and 33 transitions. [2022-04-08 09:25:25,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-04-08 09:25:25,662 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 18 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 [2022-04-08 09:25:25,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 09:25:25,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 18 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) [2022-04-08 09:25:25,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 33 transitions. [2022-04-08 09:25:25,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 18 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) [2022-04-08 09:25:25,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 33 transitions. [2022-04-08 09:25:25,664 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 19 states and 33 transitions. [2022-04-08 09:25:25,689 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 33 edges. 33 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:25:25,689 INFO L225 Difference]: With dead ends: 33 [2022-04-08 09:25:25,690 INFO L226 Difference]: Without dead ends: 28 [2022-04-08 09:25:25,690 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 34 SyntacticMatches, 1 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=729, Invalid=2241, Unknown=0, NotChecked=0, Total=2970 [2022-04-08 09:25:25,691 INFO L913 BasicCegarLoop]: 11 mSDtfsCounter, 6 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 317 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-04-08 09:25:25,691 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 88 Invalid, 350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 317 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-04-08 09:25:25,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2022-04-08 09:25:25,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2022-04-08 09:25:25,712 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 09:25:25,713 INFO L82 GeneralOperation]: Start isEquivalent. First operand 28 states. Second operand has 28 states, 23 states have (on average 1.0434782608695652) internal successors, (24), 23 states have internal predecessors, (24), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:25,713 INFO L74 IsIncluded]: Start isIncluded. First operand 28 states. Second operand has 28 states, 23 states have (on average 1.0434782608695652) internal successors, (24), 23 states have internal predecessors, (24), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:25,713 INFO L87 Difference]: Start difference. First operand 28 states. Second operand has 28 states, 23 states have (on average 1.0434782608695652) internal successors, (24), 23 states have internal predecessors, (24), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:25,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:25:25,714 INFO L93 Difference]: Finished difference Result 28 states and 28 transitions. [2022-04-08 09:25:25,714 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 28 transitions. [2022-04-08 09:25:25,714 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:25:25,714 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:25:25,714 INFO L74 IsIncluded]: Start isIncluded. First operand has 28 states, 23 states have (on average 1.0434782608695652) internal successors, (24), 23 states have internal predecessors, (24), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 28 states. [2022-04-08 09:25:25,714 INFO L87 Difference]: Start difference. First operand has 28 states, 23 states have (on average 1.0434782608695652) internal successors, (24), 23 states have internal predecessors, (24), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 28 states. [2022-04-08 09:25:25,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:25:25,715 INFO L93 Difference]: Finished difference Result 28 states and 28 transitions. [2022-04-08 09:25:25,715 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 28 transitions. [2022-04-08 09:25:25,715 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:25:25,715 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:25:25,715 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 09:25:25,715 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 09:25:25,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 23 states have (on average 1.0434782608695652) internal successors, (24), 23 states have internal predecessors, (24), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:25,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 28 transitions. [2022-04-08 09:25:25,716 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 28 transitions. Word has length 26 [2022-04-08 09:25:25,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 09:25:25,716 INFO L478 AbstractCegarLoop]: Abstraction has 28 states and 28 transitions. [2022-04-08 09:25:25,717 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 18 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) [2022-04-08 09:25:25,717 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 28 states and 28 transitions. [2022-04-08 09:25:25,738 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 28 edges. 28 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:25:25,738 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 28 transitions. [2022-04-08 09:25:25,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-04-08 09:25:25,739 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 09:25:25,739 INFO L499 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 09:25:25,743 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-04-08 09:25:25,939 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-04-08 09:25:25,940 INFO L403 AbstractCegarLoop]: === Iteration 18 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 09:25:25,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 09:25:25,940 INFO L85 PathProgramCache]: Analyzing trace with hash -1728371236, now seen corresponding path program 31 times [2022-04-08 09:25:25,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 09:25:25,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1786893050] [2022-04-08 09:25:25,943 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-08 09:25:25,943 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-08 09:25:25,943 INFO L85 PathProgramCache]: Analyzing trace with hash -1728371236, now seen corresponding path program 32 times [2022-04-08 09:25:25,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 09:25:25,943 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874689684] [2022-04-08 09:25:25,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 09:25:25,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 09:25:25,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:25:26,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-08 09:25:26,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:25:26,236 INFO L290 TraceCheckUtils]: 0: Hoare triple {4660#(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(13, 2);call #Ultimate.allocInit(12, 3); {4638#true} is VALID [2022-04-08 09:25:26,236 INFO L290 TraceCheckUtils]: 1: Hoare triple {4638#true} assume true; {4638#true} is VALID [2022-04-08 09:25:26,237 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {4638#true} {4638#true} #34#return; {4638#true} is VALID [2022-04-08 09:25:26,237 INFO L272 TraceCheckUtils]: 0: Hoare triple {4638#true} call ULTIMATE.init(); {4660#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-08 09:25:26,237 INFO L290 TraceCheckUtils]: 1: Hoare triple {4660#(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(13, 2);call #Ultimate.allocInit(12, 3); {4638#true} is VALID [2022-04-08 09:25:26,237 INFO L290 TraceCheckUtils]: 2: Hoare triple {4638#true} assume true; {4638#true} is VALID [2022-04-08 09:25:26,237 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {4638#true} {4638#true} #34#return; {4638#true} is VALID [2022-04-08 09:25:26,238 INFO L272 TraceCheckUtils]: 4: Hoare triple {4638#true} call #t~ret4 := main(); {4638#true} is VALID [2022-04-08 09:25:26,238 INFO L290 TraceCheckUtils]: 5: Hoare triple {4638#true} ~x~0 := 268435441; {4643#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:25:26,238 INFO L290 TraceCheckUtils]: 6: Hoare triple {4643#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4644#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:25:26,239 INFO L290 TraceCheckUtils]: 7: Hoare triple {4644#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4645#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:25:26,240 INFO L290 TraceCheckUtils]: 8: Hoare triple {4645#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4646#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:25:26,240 INFO L290 TraceCheckUtils]: 9: Hoare triple {4646#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4647#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:25:26,241 INFO L290 TraceCheckUtils]: 10: Hoare triple {4647#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4648#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:25:26,241 INFO L290 TraceCheckUtils]: 11: Hoare triple {4648#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4649#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:25:26,242 INFO L290 TraceCheckUtils]: 12: Hoare triple {4649#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4650#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:25:26,242 INFO L290 TraceCheckUtils]: 13: Hoare triple {4650#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4651#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:25:26,243 INFO L290 TraceCheckUtils]: 14: Hoare triple {4651#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4652#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:25:26,243 INFO L290 TraceCheckUtils]: 15: Hoare triple {4652#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4653#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:25:26,244 INFO L290 TraceCheckUtils]: 16: Hoare triple {4653#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4654#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:25:26,244 INFO L290 TraceCheckUtils]: 17: Hoare triple {4654#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4655#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:25:26,245 INFO L290 TraceCheckUtils]: 18: Hoare triple {4655#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4656#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:25:26,245 INFO L290 TraceCheckUtils]: 19: Hoare triple {4656#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4657#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} is VALID [2022-04-08 09:25:26,246 INFO L290 TraceCheckUtils]: 20: Hoare triple {4657#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4658#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} is VALID [2022-04-08 09:25:26,246 INFO L290 TraceCheckUtils]: 21: Hoare triple {4658#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4659#(and (<= (div main_~x~0 4294967296) 0) (<= 268435409 main_~x~0))} is VALID [2022-04-08 09:25:26,247 INFO L290 TraceCheckUtils]: 22: Hoare triple {4659#(and (<= (div main_~x~0 4294967296) 0) (<= 268435409 main_~x~0))} assume !(~x~0 % 4294967296 > 1); {4639#false} is VALID [2022-04-08 09:25:26,247 INFO L272 TraceCheckUtils]: 23: Hoare triple {4639#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)); {4639#false} is VALID [2022-04-08 09:25:26,247 INFO L290 TraceCheckUtils]: 24: Hoare triple {4639#false} ~cond := #in~cond; {4639#false} is VALID [2022-04-08 09:25:26,247 INFO L290 TraceCheckUtils]: 25: Hoare triple {4639#false} assume 0 == ~cond; {4639#false} is VALID [2022-04-08 09:25:26,247 INFO L290 TraceCheckUtils]: 26: Hoare triple {4639#false} assume !false; {4639#false} is VALID [2022-04-08 09:25:26,247 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:25:26,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 09:25:26,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874689684] [2022-04-08 09:25:26,248 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874689684] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-08 09:25:26,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1167376772] [2022-04-08 09:25:26,248 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-08 09:25:26,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 09:25:26,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 09:25:26,249 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) [2022-04-08 09:25:26,250 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-04-08 09:25:26,281 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-08 09:25:26,281 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 09:25:26,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 38 conjunts are in the unsatisfiable core [2022-04-08 09:25:26,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:25:26,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 09:25:26,537 INFO L272 TraceCheckUtils]: 0: Hoare triple {4638#true} call ULTIMATE.init(); {4638#true} is VALID [2022-04-08 09:25:26,538 INFO L290 TraceCheckUtils]: 1: Hoare triple {4638#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(13, 2);call #Ultimate.allocInit(12, 3); {4638#true} is VALID [2022-04-08 09:25:26,538 INFO L290 TraceCheckUtils]: 2: Hoare triple {4638#true} assume true; {4638#true} is VALID [2022-04-08 09:25:26,538 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {4638#true} {4638#true} #34#return; {4638#true} is VALID [2022-04-08 09:25:26,538 INFO L272 TraceCheckUtils]: 4: Hoare triple {4638#true} call #t~ret4 := main(); {4638#true} is VALID [2022-04-08 09:25:26,539 INFO L290 TraceCheckUtils]: 5: Hoare triple {4638#true} ~x~0 := 268435441; {4643#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:25:26,539 INFO L290 TraceCheckUtils]: 6: Hoare triple {4643#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4644#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:25:26,540 INFO L290 TraceCheckUtils]: 7: Hoare triple {4644#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4645#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:25:26,541 INFO L290 TraceCheckUtils]: 8: Hoare triple {4645#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4646#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:25:26,541 INFO L290 TraceCheckUtils]: 9: Hoare triple {4646#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4647#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:25:26,542 INFO L290 TraceCheckUtils]: 10: Hoare triple {4647#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4648#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:25:26,543 INFO L290 TraceCheckUtils]: 11: Hoare triple {4648#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4649#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:25:26,543 INFO L290 TraceCheckUtils]: 12: Hoare triple {4649#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4650#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:25:26,544 INFO L290 TraceCheckUtils]: 13: Hoare triple {4650#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4651#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:25:26,545 INFO L290 TraceCheckUtils]: 14: Hoare triple {4651#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4652#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:25:26,545 INFO L290 TraceCheckUtils]: 15: Hoare triple {4652#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4653#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:25:26,546 INFO L290 TraceCheckUtils]: 16: Hoare triple {4653#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4654#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:25:26,546 INFO L290 TraceCheckUtils]: 17: Hoare triple {4654#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4655#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:25:26,547 INFO L290 TraceCheckUtils]: 18: Hoare triple {4655#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4656#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:25:26,548 INFO L290 TraceCheckUtils]: 19: Hoare triple {4656#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4657#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} is VALID [2022-04-08 09:25:26,548 INFO L290 TraceCheckUtils]: 20: Hoare triple {4657#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4658#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} is VALID [2022-04-08 09:25:26,549 INFO L290 TraceCheckUtils]: 21: Hoare triple {4658#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4727#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} is VALID [2022-04-08 09:25:26,550 INFO L290 TraceCheckUtils]: 22: Hoare triple {4727#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} assume !(~x~0 % 4294967296 > 1); {4639#false} is VALID [2022-04-08 09:25:26,550 INFO L272 TraceCheckUtils]: 23: Hoare triple {4639#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)); {4639#false} is VALID [2022-04-08 09:25:26,550 INFO L290 TraceCheckUtils]: 24: Hoare triple {4639#false} ~cond := #in~cond; {4639#false} is VALID [2022-04-08 09:25:26,550 INFO L290 TraceCheckUtils]: 25: Hoare triple {4639#false} assume 0 == ~cond; {4639#false} is VALID [2022-04-08 09:25:26,550 INFO L290 TraceCheckUtils]: 26: Hoare triple {4639#false} assume !false; {4639#false} is VALID [2022-04-08 09:25:26,551 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:25:26,551 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 09:25:27,394 INFO L290 TraceCheckUtils]: 26: Hoare triple {4639#false} assume !false; {4639#false} is VALID [2022-04-08 09:25:27,394 INFO L290 TraceCheckUtils]: 25: Hoare triple {4746#(not (<= __VERIFIER_assert_~cond 0))} assume 0 == ~cond; {4639#false} is VALID [2022-04-08 09:25:27,395 INFO L290 TraceCheckUtils]: 24: Hoare triple {4750#(< 0 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {4746#(not (<= __VERIFIER_assert_~cond 0))} is VALID [2022-04-08 09:25:27,395 INFO L272 TraceCheckUtils]: 23: Hoare triple {4754#(= (mod main_~x~0 2) 0)} 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)); {4750#(< 0 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-08 09:25:27,396 INFO L290 TraceCheckUtils]: 22: Hoare triple {4758#(or (< 1 (mod main_~x~0 4294967296)) (= (mod main_~x~0 2) 0))} assume !(~x~0 % 4294967296 > 1); {4754#(= (mod main_~x~0 2) 0)} is VALID [2022-04-08 09:25:27,397 INFO L290 TraceCheckUtils]: 21: Hoare triple {4762#(or (< 1 (mod (+ main_~x~0 4294967294) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4758#(or (< 1 (mod main_~x~0 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:27,397 INFO L290 TraceCheckUtils]: 20: Hoare triple {4766#(or (< 1 (mod (+ 4294967292 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4762#(or (< 1 (mod (+ main_~x~0 4294967294) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:27,398 INFO L290 TraceCheckUtils]: 19: Hoare triple {4770#(or (< 1 (mod (+ 4294967290 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4766#(or (< 1 (mod (+ 4294967292 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:27,399 INFO L290 TraceCheckUtils]: 18: Hoare triple {4774#(or (< 1 (mod (+ 4294967288 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4770#(or (< 1 (mod (+ 4294967290 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:27,400 INFO L290 TraceCheckUtils]: 17: Hoare triple {4778#(or (< 1 (mod (+ main_~x~0 4294967286) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4774#(or (< 1 (mod (+ 4294967288 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:27,401 INFO L290 TraceCheckUtils]: 16: Hoare triple {4782#(or (< 1 (mod (+ main_~x~0 4294967284) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4778#(or (< 1 (mod (+ main_~x~0 4294967286) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:27,402 INFO L290 TraceCheckUtils]: 15: Hoare triple {4786#(or (< 1 (mod (+ 4294967282 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4782#(or (< 1 (mod (+ main_~x~0 4294967284) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:27,403 INFO L290 TraceCheckUtils]: 14: Hoare triple {4790#(or (< 1 (mod (+ main_~x~0 4294967280) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4786#(or (< 1 (mod (+ 4294967282 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:27,404 INFO L290 TraceCheckUtils]: 13: Hoare triple {4794#(or (< 1 (mod (+ main_~x~0 4294967278) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4790#(or (< 1 (mod (+ main_~x~0 4294967280) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:27,405 INFO L290 TraceCheckUtils]: 12: Hoare triple {4798#(or (< 1 (mod (+ 4294967276 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4794#(or (< 1 (mod (+ main_~x~0 4294967278) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:27,406 INFO L290 TraceCheckUtils]: 11: Hoare triple {4802#(or (< 1 (mod (+ 4294967274 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4798#(or (< 1 (mod (+ 4294967276 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:27,407 INFO L290 TraceCheckUtils]: 10: Hoare triple {4806#(or (< 1 (mod (+ 4294967272 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4802#(or (< 1 (mod (+ 4294967274 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:27,408 INFO L290 TraceCheckUtils]: 9: Hoare triple {4810#(or (< 1 (mod (+ main_~x~0 4294967270) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4806#(or (< 1 (mod (+ 4294967272 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:27,409 INFO L290 TraceCheckUtils]: 8: Hoare triple {4814#(or (< 1 (mod (+ main_~x~0 4294967268) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4810#(or (< 1 (mod (+ main_~x~0 4294967270) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:27,411 INFO L290 TraceCheckUtils]: 7: Hoare triple {4818#(or (< 1 (mod (+ main_~x~0 4294967266) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4814#(or (< 1 (mod (+ main_~x~0 4294967268) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:27,412 INFO L290 TraceCheckUtils]: 6: Hoare triple {4822#(or (< 1 (mod (+ main_~x~0 4294967264) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {4818#(or (< 1 (mod (+ main_~x~0 4294967266) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:27,413 INFO L290 TraceCheckUtils]: 5: Hoare triple {4638#true} ~x~0 := 268435441; {4822#(or (< 1 (mod (+ main_~x~0 4294967264) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:27,413 INFO L272 TraceCheckUtils]: 4: Hoare triple {4638#true} call #t~ret4 := main(); {4638#true} is VALID [2022-04-08 09:25:27,413 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {4638#true} {4638#true} #34#return; {4638#true} is VALID [2022-04-08 09:25:27,413 INFO L290 TraceCheckUtils]: 2: Hoare triple {4638#true} assume true; {4638#true} is VALID [2022-04-08 09:25:27,413 INFO L290 TraceCheckUtils]: 1: Hoare triple {4638#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(13, 2);call #Ultimate.allocInit(12, 3); {4638#true} is VALID [2022-04-08 09:25:27,413 INFO L272 TraceCheckUtils]: 0: Hoare triple {4638#true} call ULTIMATE.init(); {4638#true} is VALID [2022-04-08 09:25:27,414 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:25:27,414 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1167376772] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-08 09:25:27,414 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-08 09:25:27,414 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19, 22] total 41 [2022-04-08 09:25:27,414 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 09:25:27,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1786893050] [2022-04-08 09:25:27,414 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1786893050] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 09:25:27,415 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 09:25:27,415 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-04-08 09:25:27,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105267417] [2022-04-08 09:25:27,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 09:25:27,415 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 1.15) internal successors, (23), 19 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 [2022-04-08 09:25:27,415 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 09:25:27,416 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 20 states, 20 states have (on average 1.15) internal successors, (23), 19 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) [2022-04-08 09:25:27,435 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 27 edges. 27 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:25:27,435 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-04-08 09:25:27,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 09:25:27,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-04-08 09:25:27,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=419, Invalid=1221, Unknown=0, NotChecked=0, Total=1640 [2022-04-08 09:25:27,436 INFO L87 Difference]: Start difference. First operand 28 states and 28 transitions. Second operand has 20 states, 20 states have (on average 1.15) internal successors, (23), 19 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) [2022-04-08 09:25:28,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:25:28,263 INFO L93 Difference]: Finished difference Result 34 states and 34 transitions. [2022-04-08 09:25:28,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-04-08 09:25:28,264 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 1.15) internal successors, (23), 19 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 [2022-04-08 09:25:28,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 09:25:28,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.15) internal successors, (23), 19 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) [2022-04-08 09:25:28,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 34 transitions. [2022-04-08 09:25:28,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.15) internal successors, (23), 19 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) [2022-04-08 09:25:28,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 34 transitions. [2022-04-08 09:25:28,266 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 20 states and 34 transitions. [2022-04-08 09:25:28,293 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 34 edges. 34 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:25:28,293 INFO L225 Difference]: With dead ends: 34 [2022-04-08 09:25:28,293 INFO L226 Difference]: Without dead ends: 29 [2022-04-08 09:25:28,294 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=808, Invalid=2498, Unknown=0, NotChecked=0, Total=3306 [2022-04-08 09:25:28,295 INFO L913 BasicCegarLoop]: 11 mSDtfsCounter, 6 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 354 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-04-08 09:25:28,295 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 93 Invalid, 389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 354 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-04-08 09:25:28,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2022-04-08 09:25:28,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2022-04-08 09:25:28,318 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 09:25:28,318 INFO L82 GeneralOperation]: Start isEquivalent. First operand 29 states. Second operand has 29 states, 24 states have (on average 1.0416666666666667) internal successors, (25), 24 states have internal predecessors, (25), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:28,318 INFO L74 IsIncluded]: Start isIncluded. First operand 29 states. Second operand has 29 states, 24 states have (on average 1.0416666666666667) internal successors, (25), 24 states have internal predecessors, (25), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:28,319 INFO L87 Difference]: Start difference. First operand 29 states. Second operand has 29 states, 24 states have (on average 1.0416666666666667) internal successors, (25), 24 states have internal predecessors, (25), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:28,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:25:28,319 INFO L93 Difference]: Finished difference Result 29 states and 29 transitions. [2022-04-08 09:25:28,319 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 29 transitions. [2022-04-08 09:25:28,320 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:25:28,320 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:25:28,320 INFO L74 IsIncluded]: Start isIncluded. First operand has 29 states, 24 states have (on average 1.0416666666666667) internal successors, (25), 24 states have internal predecessors, (25), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 29 states. [2022-04-08 09:25:28,320 INFO L87 Difference]: Start difference. First operand has 29 states, 24 states have (on average 1.0416666666666667) internal successors, (25), 24 states have internal predecessors, (25), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 29 states. [2022-04-08 09:25:28,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:25:28,321 INFO L93 Difference]: Finished difference Result 29 states and 29 transitions. [2022-04-08 09:25:28,321 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 29 transitions. [2022-04-08 09:25:28,321 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:25:28,321 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:25:28,321 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 09:25:28,321 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 09:25:28,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 24 states have (on average 1.0416666666666667) internal successors, (25), 24 states have internal predecessors, (25), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:28,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 29 transitions. [2022-04-08 09:25:28,322 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 29 transitions. Word has length 27 [2022-04-08 09:25:28,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 09:25:28,322 INFO L478 AbstractCegarLoop]: Abstraction has 29 states and 29 transitions. [2022-04-08 09:25:28,323 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 1.15) internal successors, (23), 19 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) [2022-04-08 09:25:28,323 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 29 states and 29 transitions. [2022-04-08 09:25:28,352 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 29 edges. 29 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:25:28,352 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 29 transitions. [2022-04-08 09:25:28,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-04-08 09:25:28,353 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 09:25:28,353 INFO L499 BasicCegarLoop]: trace histogram [17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 09:25:28,369 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-04-08 09:25:28,553 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-04-08 09:25:28,553 INFO L403 AbstractCegarLoop]: === Iteration 19 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 09:25:28,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 09:25:28,554 INFO L85 PathProgramCache]: Analyzing trace with hash -2003439498, now seen corresponding path program 33 times [2022-04-08 09:25:28,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 09:25:28,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [17986217] [2022-04-08 09:25:28,556 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-08 09:25:28,556 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-08 09:25:28,556 INFO L85 PathProgramCache]: Analyzing trace with hash -2003439498, now seen corresponding path program 34 times [2022-04-08 09:25:28,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 09:25:28,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630356549] [2022-04-08 09:25:28,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 09:25:28,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 09:25:28,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:25:28,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-08 09:25:28,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:25:28,848 INFO L290 TraceCheckUtils]: 0: Hoare triple {5084#(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(13, 2);call #Ultimate.allocInit(12, 3); {5061#true} is VALID [2022-04-08 09:25:28,848 INFO L290 TraceCheckUtils]: 1: Hoare triple {5061#true} assume true; {5061#true} is VALID [2022-04-08 09:25:28,848 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {5061#true} {5061#true} #34#return; {5061#true} is VALID [2022-04-08 09:25:28,849 INFO L272 TraceCheckUtils]: 0: Hoare triple {5061#true} call ULTIMATE.init(); {5084#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-08 09:25:28,849 INFO L290 TraceCheckUtils]: 1: Hoare triple {5084#(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(13, 2);call #Ultimate.allocInit(12, 3); {5061#true} is VALID [2022-04-08 09:25:28,849 INFO L290 TraceCheckUtils]: 2: Hoare triple {5061#true} assume true; {5061#true} is VALID [2022-04-08 09:25:28,849 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {5061#true} {5061#true} #34#return; {5061#true} is VALID [2022-04-08 09:25:28,849 INFO L272 TraceCheckUtils]: 4: Hoare triple {5061#true} call #t~ret4 := main(); {5061#true} is VALID [2022-04-08 09:25:28,849 INFO L290 TraceCheckUtils]: 5: Hoare triple {5061#true} ~x~0 := 268435441; {5066#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:25:28,850 INFO L290 TraceCheckUtils]: 6: Hoare triple {5066#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5067#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:25:28,850 INFO L290 TraceCheckUtils]: 7: Hoare triple {5067#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5068#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:25:28,851 INFO L290 TraceCheckUtils]: 8: Hoare triple {5068#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5069#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:25:28,851 INFO L290 TraceCheckUtils]: 9: Hoare triple {5069#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5070#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:25:28,852 INFO L290 TraceCheckUtils]: 10: Hoare triple {5070#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5071#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:25:28,852 INFO L290 TraceCheckUtils]: 11: Hoare triple {5071#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5072#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:25:28,853 INFO L290 TraceCheckUtils]: 12: Hoare triple {5072#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5073#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:25:28,853 INFO L290 TraceCheckUtils]: 13: Hoare triple {5073#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5074#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:25:28,854 INFO L290 TraceCheckUtils]: 14: Hoare triple {5074#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5075#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:25:28,854 INFO L290 TraceCheckUtils]: 15: Hoare triple {5075#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5076#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:25:28,855 INFO L290 TraceCheckUtils]: 16: Hoare triple {5076#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5077#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:25:28,856 INFO L290 TraceCheckUtils]: 17: Hoare triple {5077#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5078#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:25:28,856 INFO L290 TraceCheckUtils]: 18: Hoare triple {5078#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5079#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:25:28,857 INFO L290 TraceCheckUtils]: 19: Hoare triple {5079#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5080#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} is VALID [2022-04-08 09:25:28,857 INFO L290 TraceCheckUtils]: 20: Hoare triple {5080#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5081#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} is VALID [2022-04-08 09:25:28,858 INFO L290 TraceCheckUtils]: 21: Hoare triple {5081#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5082#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} is VALID [2022-04-08 09:25:28,858 INFO L290 TraceCheckUtils]: 22: Hoare triple {5082#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5083#(and (<= (div main_~x~0 4294967296) 0) (<= 268435407 main_~x~0))} is VALID [2022-04-08 09:25:28,859 INFO L290 TraceCheckUtils]: 23: Hoare triple {5083#(and (<= (div main_~x~0 4294967296) 0) (<= 268435407 main_~x~0))} assume !(~x~0 % 4294967296 > 1); {5062#false} is VALID [2022-04-08 09:25:28,859 INFO L272 TraceCheckUtils]: 24: Hoare triple {5062#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)); {5062#false} is VALID [2022-04-08 09:25:28,859 INFO L290 TraceCheckUtils]: 25: Hoare triple {5062#false} ~cond := #in~cond; {5062#false} is VALID [2022-04-08 09:25:28,859 INFO L290 TraceCheckUtils]: 26: Hoare triple {5062#false} assume 0 == ~cond; {5062#false} is VALID [2022-04-08 09:25:28,859 INFO L290 TraceCheckUtils]: 27: Hoare triple {5062#false} assume !false; {5062#false} is VALID [2022-04-08 09:25:28,859 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:25:28,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 09:25:28,859 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630356549] [2022-04-08 09:25:28,860 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [630356549] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-08 09:25:28,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1359594189] [2022-04-08 09:25:28,860 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-08 09:25:28,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 09:25:28,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 09:25:28,861 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) [2022-04-08 09:25:28,861 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-04-08 09:25:28,896 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-08 09:25:28,896 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 09:25:28,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 37 conjunts are in the unsatisfiable core [2022-04-08 09:25:28,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:25:28,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 09:25:29,206 INFO L272 TraceCheckUtils]: 0: Hoare triple {5061#true} call ULTIMATE.init(); {5061#true} is VALID [2022-04-08 09:25:29,206 INFO L290 TraceCheckUtils]: 1: Hoare triple {5061#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(13, 2);call #Ultimate.allocInit(12, 3); {5061#true} is VALID [2022-04-08 09:25:29,206 INFO L290 TraceCheckUtils]: 2: Hoare triple {5061#true} assume true; {5061#true} is VALID [2022-04-08 09:25:29,206 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {5061#true} {5061#true} #34#return; {5061#true} is VALID [2022-04-08 09:25:29,206 INFO L272 TraceCheckUtils]: 4: Hoare triple {5061#true} call #t~ret4 := main(); {5061#true} is VALID [2022-04-08 09:25:29,207 INFO L290 TraceCheckUtils]: 5: Hoare triple {5061#true} ~x~0 := 268435441; {5066#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:25:29,207 INFO L290 TraceCheckUtils]: 6: Hoare triple {5066#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5067#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:25:29,208 INFO L290 TraceCheckUtils]: 7: Hoare triple {5067#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5068#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:25:29,208 INFO L290 TraceCheckUtils]: 8: Hoare triple {5068#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5069#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:25:29,209 INFO L290 TraceCheckUtils]: 9: Hoare triple {5069#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5070#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:25:29,209 INFO L290 TraceCheckUtils]: 10: Hoare triple {5070#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5071#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:25:29,210 INFO L290 TraceCheckUtils]: 11: Hoare triple {5071#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5072#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:25:29,210 INFO L290 TraceCheckUtils]: 12: Hoare triple {5072#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5073#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:25:29,211 INFO L290 TraceCheckUtils]: 13: Hoare triple {5073#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5074#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:25:29,211 INFO L290 TraceCheckUtils]: 14: Hoare triple {5074#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5075#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:25:29,212 INFO L290 TraceCheckUtils]: 15: Hoare triple {5075#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5076#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:25:29,212 INFO L290 TraceCheckUtils]: 16: Hoare triple {5076#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5077#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:25:29,213 INFO L290 TraceCheckUtils]: 17: Hoare triple {5077#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5078#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:25:29,213 INFO L290 TraceCheckUtils]: 18: Hoare triple {5078#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5079#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:25:29,214 INFO L290 TraceCheckUtils]: 19: Hoare triple {5079#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5080#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} is VALID [2022-04-08 09:25:29,214 INFO L290 TraceCheckUtils]: 20: Hoare triple {5080#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5081#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} is VALID [2022-04-08 09:25:29,215 INFO L290 TraceCheckUtils]: 21: Hoare triple {5081#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5082#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} is VALID [2022-04-08 09:25:29,215 INFO L290 TraceCheckUtils]: 22: Hoare triple {5082#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5154#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} is VALID [2022-04-08 09:25:29,216 INFO L290 TraceCheckUtils]: 23: Hoare triple {5154#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} assume !(~x~0 % 4294967296 > 1); {5062#false} is VALID [2022-04-08 09:25:29,216 INFO L272 TraceCheckUtils]: 24: Hoare triple {5062#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)); {5062#false} is VALID [2022-04-08 09:25:29,216 INFO L290 TraceCheckUtils]: 25: Hoare triple {5062#false} ~cond := #in~cond; {5062#false} is VALID [2022-04-08 09:25:29,216 INFO L290 TraceCheckUtils]: 26: Hoare triple {5062#false} assume 0 == ~cond; {5062#false} is VALID [2022-04-08 09:25:29,216 INFO L290 TraceCheckUtils]: 27: Hoare triple {5062#false} assume !false; {5062#false} is VALID [2022-04-08 09:25:29,217 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:25:29,217 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 09:25:29,908 INFO L290 TraceCheckUtils]: 27: Hoare triple {5062#false} assume !false; {5062#false} is VALID [2022-04-08 09:25:29,908 INFO L290 TraceCheckUtils]: 26: Hoare triple {5062#false} assume 0 == ~cond; {5062#false} is VALID [2022-04-08 09:25:29,908 INFO L290 TraceCheckUtils]: 25: Hoare triple {5062#false} ~cond := #in~cond; {5062#false} is VALID [2022-04-08 09:25:29,908 INFO L272 TraceCheckUtils]: 24: Hoare triple {5062#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)); {5062#false} is VALID [2022-04-08 09:25:29,909 INFO L290 TraceCheckUtils]: 23: Hoare triple {5182#(< 1 (mod main_~x~0 4294967296))} assume !(~x~0 % 4294967296 > 1); {5062#false} is VALID [2022-04-08 09:25:29,910 INFO L290 TraceCheckUtils]: 22: Hoare triple {5186#(< 1 (mod (+ main_~x~0 4294967294) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5182#(< 1 (mod main_~x~0 4294967296))} is VALID [2022-04-08 09:25:29,911 INFO L290 TraceCheckUtils]: 21: Hoare triple {5190#(< 1 (mod (+ 4294967292 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5186#(< 1 (mod (+ main_~x~0 4294967294) 4294967296))} is VALID [2022-04-08 09:25:29,912 INFO L290 TraceCheckUtils]: 20: Hoare triple {5194#(< 1 (mod (+ 4294967290 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5190#(< 1 (mod (+ 4294967292 main_~x~0) 4294967296))} is VALID [2022-04-08 09:25:29,913 INFO L290 TraceCheckUtils]: 19: Hoare triple {5198#(< 1 (mod (+ 4294967288 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5194#(< 1 (mod (+ 4294967290 main_~x~0) 4294967296))} is VALID [2022-04-08 09:25:29,914 INFO L290 TraceCheckUtils]: 18: Hoare triple {5202#(< 1 (mod (+ main_~x~0 4294967286) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5198#(< 1 (mod (+ 4294967288 main_~x~0) 4294967296))} is VALID [2022-04-08 09:25:29,915 INFO L290 TraceCheckUtils]: 17: Hoare triple {5206#(< 1 (mod (+ main_~x~0 4294967284) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5202#(< 1 (mod (+ main_~x~0 4294967286) 4294967296))} is VALID [2022-04-08 09:25:29,916 INFO L290 TraceCheckUtils]: 16: Hoare triple {5210#(< 1 (mod (+ 4294967282 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5206#(< 1 (mod (+ main_~x~0 4294967284) 4294967296))} is VALID [2022-04-08 09:25:29,917 INFO L290 TraceCheckUtils]: 15: Hoare triple {5214#(< 1 (mod (+ main_~x~0 4294967280) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5210#(< 1 (mod (+ 4294967282 main_~x~0) 4294967296))} is VALID [2022-04-08 09:25:29,918 INFO L290 TraceCheckUtils]: 14: Hoare triple {5218#(< 1 (mod (+ main_~x~0 4294967278) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5214#(< 1 (mod (+ main_~x~0 4294967280) 4294967296))} is VALID [2022-04-08 09:25:29,919 INFO L290 TraceCheckUtils]: 13: Hoare triple {5222#(< 1 (mod (+ 4294967276 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5218#(< 1 (mod (+ main_~x~0 4294967278) 4294967296))} is VALID [2022-04-08 09:25:29,920 INFO L290 TraceCheckUtils]: 12: Hoare triple {5226#(< 1 (mod (+ 4294967274 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5222#(< 1 (mod (+ 4294967276 main_~x~0) 4294967296))} is VALID [2022-04-08 09:25:29,921 INFO L290 TraceCheckUtils]: 11: Hoare triple {5230#(< 1 (mod (+ 4294967272 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5226#(< 1 (mod (+ 4294967274 main_~x~0) 4294967296))} is VALID [2022-04-08 09:25:29,923 INFO L290 TraceCheckUtils]: 10: Hoare triple {5234#(< 1 (mod (+ main_~x~0 4294967270) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5230#(< 1 (mod (+ 4294967272 main_~x~0) 4294967296))} is VALID [2022-04-08 09:25:29,924 INFO L290 TraceCheckUtils]: 9: Hoare triple {5238#(< 1 (mod (+ main_~x~0 4294967268) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5234#(< 1 (mod (+ main_~x~0 4294967270) 4294967296))} is VALID [2022-04-08 09:25:29,925 INFO L290 TraceCheckUtils]: 8: Hoare triple {5242#(< 1 (mod (+ main_~x~0 4294967266) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5238#(< 1 (mod (+ main_~x~0 4294967268) 4294967296))} is VALID [2022-04-08 09:25:29,926 INFO L290 TraceCheckUtils]: 7: Hoare triple {5246#(< 1 (mod (+ main_~x~0 4294967264) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5242#(< 1 (mod (+ main_~x~0 4294967266) 4294967296))} is VALID [2022-04-08 09:25:29,928 INFO L290 TraceCheckUtils]: 6: Hoare triple {5250#(< 1 (mod (+ main_~x~0 4294967262) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5246#(< 1 (mod (+ main_~x~0 4294967264) 4294967296))} is VALID [2022-04-08 09:25:29,929 INFO L290 TraceCheckUtils]: 5: Hoare triple {5061#true} ~x~0 := 268435441; {5250#(< 1 (mod (+ main_~x~0 4294967262) 4294967296))} is VALID [2022-04-08 09:25:29,929 INFO L272 TraceCheckUtils]: 4: Hoare triple {5061#true} call #t~ret4 := main(); {5061#true} is VALID [2022-04-08 09:25:29,929 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {5061#true} {5061#true} #34#return; {5061#true} is VALID [2022-04-08 09:25:29,929 INFO L290 TraceCheckUtils]: 2: Hoare triple {5061#true} assume true; {5061#true} is VALID [2022-04-08 09:25:29,929 INFO L290 TraceCheckUtils]: 1: Hoare triple {5061#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(13, 2);call #Ultimate.allocInit(12, 3); {5061#true} is VALID [2022-04-08 09:25:29,929 INFO L272 TraceCheckUtils]: 0: Hoare triple {5061#true} call ULTIMATE.init(); {5061#true} is VALID [2022-04-08 09:25:29,930 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:25:29,930 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1359594189] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-08 09:25:29,930 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-08 09:25:29,930 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 20, 20] total 40 [2022-04-08 09:25:29,930 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 09:25:29,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [17986217] [2022-04-08 09:25:29,931 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [17986217] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 09:25:29,931 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 09:25:29,931 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2022-04-08 09:25:29,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224596548] [2022-04-08 09:25:29,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 09:25:29,932 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 20 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 [2022-04-08 09:25:29,932 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 09:25:29,932 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 21 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 20 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) [2022-04-08 09:25:29,952 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 28 edges. 28 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:25:29,952 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-04-08 09:25:29,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 09:25:29,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-04-08 09:25:29,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=437, Invalid=1123, Unknown=0, NotChecked=0, Total=1560 [2022-04-08 09:25:29,953 INFO L87 Difference]: Start difference. First operand 29 states and 29 transitions. Second operand has 21 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 20 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) [2022-04-08 09:25:30,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:25:30,871 INFO L93 Difference]: Finished difference Result 35 states and 35 transitions. [2022-04-08 09:25:30,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-04-08 09:25:30,871 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 20 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 [2022-04-08 09:25:30,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 09:25:30,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 20 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) [2022-04-08 09:25:30,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 35 transitions. [2022-04-08 09:25:30,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 20 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) [2022-04-08 09:25:30,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 35 transitions. [2022-04-08 09:25:30,873 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 21 states and 35 transitions. [2022-04-08 09:25:30,897 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 35 edges. 35 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:25:30,898 INFO L225 Difference]: With dead ends: 35 [2022-04-08 09:25:30,898 INFO L226 Difference]: Without dead ends: 30 [2022-04-08 09:25:30,899 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 39 SyntacticMatches, 1 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 192 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=867, Invalid=2439, Unknown=0, NotChecked=0, Total=3306 [2022-04-08 09:25:30,899 INFO L913 BasicCegarLoop]: 11 mSDtfsCounter, 6 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 378 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-04-08 09:25:30,899 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 83 Invalid, 415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 378 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-04-08 09:25:30,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2022-04-08 09:25:30,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2022-04-08 09:25:30,932 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 09:25:30,933 INFO L82 GeneralOperation]: Start isEquivalent. First operand 30 states. Second operand has 30 states, 25 states have (on average 1.04) internal successors, (26), 25 states have internal predecessors, (26), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:30,933 INFO L74 IsIncluded]: Start isIncluded. First operand 30 states. Second operand has 30 states, 25 states have (on average 1.04) internal successors, (26), 25 states have internal predecessors, (26), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:30,933 INFO L87 Difference]: Start difference. First operand 30 states. Second operand has 30 states, 25 states have (on average 1.04) internal successors, (26), 25 states have internal predecessors, (26), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:30,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:25:30,934 INFO L93 Difference]: Finished difference Result 30 states and 30 transitions. [2022-04-08 09:25:30,934 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 30 transitions. [2022-04-08 09:25:30,934 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:25:30,934 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:25:30,934 INFO L74 IsIncluded]: Start isIncluded. First operand has 30 states, 25 states have (on average 1.04) internal successors, (26), 25 states have internal predecessors, (26), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 30 states. [2022-04-08 09:25:30,934 INFO L87 Difference]: Start difference. First operand has 30 states, 25 states have (on average 1.04) internal successors, (26), 25 states have internal predecessors, (26), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 30 states. [2022-04-08 09:25:30,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:25:30,935 INFO L93 Difference]: Finished difference Result 30 states and 30 transitions. [2022-04-08 09:25:30,935 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 30 transitions. [2022-04-08 09:25:30,935 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:25:30,935 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:25:30,936 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 09:25:30,936 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 09:25:30,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 25 states have (on average 1.04) internal successors, (26), 25 states have internal predecessors, (26), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:30,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 30 transitions. [2022-04-08 09:25:30,936 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 30 transitions. Word has length 28 [2022-04-08 09:25:30,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 09:25:30,937 INFO L478 AbstractCegarLoop]: Abstraction has 30 states and 30 transitions. [2022-04-08 09:25:30,937 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 20 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) [2022-04-08 09:25:30,937 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 30 states and 30 transitions. [2022-04-08 09:25:30,969 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 30 edges. 30 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:25:30,969 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 30 transitions. [2022-04-08 09:25:30,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-04-08 09:25:30,969 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 09:25:30,970 INFO L499 BasicCegarLoop]: trace histogram [18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 09:25:30,993 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2022-04-08 09:25:31,183 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 09:25:31,184 INFO L403 AbstractCegarLoop]: === Iteration 20 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 09:25:31,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 09:25:31,184 INFO L85 PathProgramCache]: Analyzing trace with hash -1940621028, now seen corresponding path program 35 times [2022-04-08 09:25:31,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 09:25:31,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [2146488231] [2022-04-08 09:25:31,187 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-08 09:25:31,187 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-08 09:25:31,187 INFO L85 PathProgramCache]: Analyzing trace with hash -1940621028, now seen corresponding path program 36 times [2022-04-08 09:25:31,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 09:25:31,187 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300335784] [2022-04-08 09:25:31,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 09:25:31,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 09:25:31,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:25:31,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-08 09:25:31,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:25:31,568 INFO L290 TraceCheckUtils]: 0: Hoare triple {5521#(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(13, 2);call #Ultimate.allocInit(12, 3); {5497#true} is VALID [2022-04-08 09:25:31,568 INFO L290 TraceCheckUtils]: 1: Hoare triple {5497#true} assume true; {5497#true} is VALID [2022-04-08 09:25:31,568 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {5497#true} {5497#true} #34#return; {5497#true} is VALID [2022-04-08 09:25:31,569 INFO L272 TraceCheckUtils]: 0: Hoare triple {5497#true} call ULTIMATE.init(); {5521#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-08 09:25:31,569 INFO L290 TraceCheckUtils]: 1: Hoare triple {5521#(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(13, 2);call #Ultimate.allocInit(12, 3); {5497#true} is VALID [2022-04-08 09:25:31,569 INFO L290 TraceCheckUtils]: 2: Hoare triple {5497#true} assume true; {5497#true} is VALID [2022-04-08 09:25:31,569 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {5497#true} {5497#true} #34#return; {5497#true} is VALID [2022-04-08 09:25:31,570 INFO L272 TraceCheckUtils]: 4: Hoare triple {5497#true} call #t~ret4 := main(); {5497#true} is VALID [2022-04-08 09:25:31,570 INFO L290 TraceCheckUtils]: 5: Hoare triple {5497#true} ~x~0 := 268435441; {5502#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:25:31,571 INFO L290 TraceCheckUtils]: 6: Hoare triple {5502#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5503#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:25:31,571 INFO L290 TraceCheckUtils]: 7: Hoare triple {5503#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5504#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:25:31,572 INFO L290 TraceCheckUtils]: 8: Hoare triple {5504#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5505#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:25:31,573 INFO L290 TraceCheckUtils]: 9: Hoare triple {5505#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5506#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:25:31,574 INFO L290 TraceCheckUtils]: 10: Hoare triple {5506#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5507#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:25:31,574 INFO L290 TraceCheckUtils]: 11: Hoare triple {5507#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5508#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:25:31,575 INFO L290 TraceCheckUtils]: 12: Hoare triple {5508#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5509#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:25:31,576 INFO L290 TraceCheckUtils]: 13: Hoare triple {5509#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5510#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:25:31,576 INFO L290 TraceCheckUtils]: 14: Hoare triple {5510#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5511#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:25:31,577 INFO L290 TraceCheckUtils]: 15: Hoare triple {5511#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5512#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:25:31,578 INFO L290 TraceCheckUtils]: 16: Hoare triple {5512#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5513#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:25:31,578 INFO L290 TraceCheckUtils]: 17: Hoare triple {5513#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5514#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:25:31,579 INFO L290 TraceCheckUtils]: 18: Hoare triple {5514#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5515#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:25:31,579 INFO L290 TraceCheckUtils]: 19: Hoare triple {5515#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5516#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} is VALID [2022-04-08 09:25:31,580 INFO L290 TraceCheckUtils]: 20: Hoare triple {5516#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5517#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} is VALID [2022-04-08 09:25:31,581 INFO L290 TraceCheckUtils]: 21: Hoare triple {5517#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5518#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} is VALID [2022-04-08 09:25:31,581 INFO L290 TraceCheckUtils]: 22: Hoare triple {5518#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5519#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} is VALID [2022-04-08 09:25:31,582 INFO L290 TraceCheckUtils]: 23: Hoare triple {5519#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5520#(and (<= (div main_~x~0 4294967296) 0) (<= 268435405 main_~x~0))} is VALID [2022-04-08 09:25:31,583 INFO L290 TraceCheckUtils]: 24: Hoare triple {5520#(and (<= (div main_~x~0 4294967296) 0) (<= 268435405 main_~x~0))} assume !(~x~0 % 4294967296 > 1); {5498#false} is VALID [2022-04-08 09:25:31,583 INFO L272 TraceCheckUtils]: 25: Hoare triple {5498#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)); {5498#false} is VALID [2022-04-08 09:25:31,583 INFO L290 TraceCheckUtils]: 26: Hoare triple {5498#false} ~cond := #in~cond; {5498#false} is VALID [2022-04-08 09:25:31,583 INFO L290 TraceCheckUtils]: 27: Hoare triple {5498#false} assume 0 == ~cond; {5498#false} is VALID [2022-04-08 09:25:31,583 INFO L290 TraceCheckUtils]: 28: Hoare triple {5498#false} assume !false; {5498#false} is VALID [2022-04-08 09:25:31,584 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:25:31,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 09:25:31,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300335784] [2022-04-08 09:25:31,584 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300335784] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-08 09:25:31,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2034612971] [2022-04-08 09:25:31,584 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-04-08 09:25:31,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 09:25:31,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 09:25:31,586 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) [2022-04-08 09:25:31,608 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-04-08 09:25:31,953 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2022-04-08 09:25:31,953 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 09:25:31,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 42 conjunts are in the unsatisfiable core [2022-04-08 09:25:31,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:25:31,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 09:25:32,222 INFO L272 TraceCheckUtils]: 0: Hoare triple {5497#true} call ULTIMATE.init(); {5497#true} is VALID [2022-04-08 09:25:32,222 INFO L290 TraceCheckUtils]: 1: Hoare triple {5497#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(13, 2);call #Ultimate.allocInit(12, 3); {5497#true} is VALID [2022-04-08 09:25:32,223 INFO L290 TraceCheckUtils]: 2: Hoare triple {5497#true} assume true; {5497#true} is VALID [2022-04-08 09:25:32,223 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {5497#true} {5497#true} #34#return; {5497#true} is VALID [2022-04-08 09:25:32,223 INFO L272 TraceCheckUtils]: 4: Hoare triple {5497#true} call #t~ret4 := main(); {5497#true} is VALID [2022-04-08 09:25:32,223 INFO L290 TraceCheckUtils]: 5: Hoare triple {5497#true} ~x~0 := 268435441; {5502#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:25:32,224 INFO L290 TraceCheckUtils]: 6: Hoare triple {5502#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5503#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:25:32,224 INFO L290 TraceCheckUtils]: 7: Hoare triple {5503#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5504#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:25:32,225 INFO L290 TraceCheckUtils]: 8: Hoare triple {5504#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5505#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:25:32,225 INFO L290 TraceCheckUtils]: 9: Hoare triple {5505#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5506#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:25:32,226 INFO L290 TraceCheckUtils]: 10: Hoare triple {5506#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5507#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:25:32,226 INFO L290 TraceCheckUtils]: 11: Hoare triple {5507#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5508#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:25:32,227 INFO L290 TraceCheckUtils]: 12: Hoare triple {5508#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5509#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:25:32,227 INFO L290 TraceCheckUtils]: 13: Hoare triple {5509#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5510#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:25:32,228 INFO L290 TraceCheckUtils]: 14: Hoare triple {5510#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5511#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:25:32,228 INFO L290 TraceCheckUtils]: 15: Hoare triple {5511#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5512#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:25:32,229 INFO L290 TraceCheckUtils]: 16: Hoare triple {5512#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5513#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:25:32,229 INFO L290 TraceCheckUtils]: 17: Hoare triple {5513#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5514#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:25:32,230 INFO L290 TraceCheckUtils]: 18: Hoare triple {5514#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5515#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:25:32,230 INFO L290 TraceCheckUtils]: 19: Hoare triple {5515#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5516#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} is VALID [2022-04-08 09:25:32,231 INFO L290 TraceCheckUtils]: 20: Hoare triple {5516#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5517#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} is VALID [2022-04-08 09:25:32,231 INFO L290 TraceCheckUtils]: 21: Hoare triple {5517#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5518#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} is VALID [2022-04-08 09:25:32,232 INFO L290 TraceCheckUtils]: 22: Hoare triple {5518#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5519#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} is VALID [2022-04-08 09:25:32,232 INFO L290 TraceCheckUtils]: 23: Hoare triple {5519#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5594#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} is VALID [2022-04-08 09:25:32,233 INFO L290 TraceCheckUtils]: 24: Hoare triple {5594#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} assume !(~x~0 % 4294967296 > 1); {5498#false} is VALID [2022-04-08 09:25:32,233 INFO L272 TraceCheckUtils]: 25: Hoare triple {5498#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)); {5498#false} is VALID [2022-04-08 09:25:32,233 INFO L290 TraceCheckUtils]: 26: Hoare triple {5498#false} ~cond := #in~cond; {5498#false} is VALID [2022-04-08 09:25:32,233 INFO L290 TraceCheckUtils]: 27: Hoare triple {5498#false} assume 0 == ~cond; {5498#false} is VALID [2022-04-08 09:25:32,233 INFO L290 TraceCheckUtils]: 28: Hoare triple {5498#false} assume !false; {5498#false} is VALID [2022-04-08 09:25:32,234 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:25:32,234 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 09:25:33,187 INFO L290 TraceCheckUtils]: 28: Hoare triple {5498#false} assume !false; {5498#false} is VALID [2022-04-08 09:25:33,188 INFO L290 TraceCheckUtils]: 27: Hoare triple {5613#(not (<= __VERIFIER_assert_~cond 0))} assume 0 == ~cond; {5498#false} is VALID [2022-04-08 09:25:33,188 INFO L290 TraceCheckUtils]: 26: Hoare triple {5617#(< 0 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {5613#(not (<= __VERIFIER_assert_~cond 0))} is VALID [2022-04-08 09:25:33,188 INFO L272 TraceCheckUtils]: 25: Hoare triple {5621#(= (mod main_~x~0 2) 0)} 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)); {5617#(< 0 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-08 09:25:33,189 INFO L290 TraceCheckUtils]: 24: Hoare triple {5625#(or (< 1 (mod main_~x~0 4294967296)) (= (mod main_~x~0 2) 0))} assume !(~x~0 % 4294967296 > 1); {5621#(= (mod main_~x~0 2) 0)} is VALID [2022-04-08 09:25:33,190 INFO L290 TraceCheckUtils]: 23: Hoare triple {5629#(or (< 1 (mod (+ main_~x~0 4294967294) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5625#(or (< 1 (mod main_~x~0 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:33,191 INFO L290 TraceCheckUtils]: 22: Hoare triple {5633#(or (< 1 (mod (+ 4294967292 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5629#(or (< 1 (mod (+ main_~x~0 4294967294) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:33,192 INFO L290 TraceCheckUtils]: 21: Hoare triple {5637#(or (< 1 (mod (+ 4294967290 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5633#(or (< 1 (mod (+ 4294967292 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:33,193 INFO L290 TraceCheckUtils]: 20: Hoare triple {5641#(or (< 1 (mod (+ 4294967288 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5637#(or (< 1 (mod (+ 4294967290 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:33,194 INFO L290 TraceCheckUtils]: 19: Hoare triple {5645#(or (< 1 (mod (+ main_~x~0 4294967286) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5641#(or (< 1 (mod (+ 4294967288 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:33,195 INFO L290 TraceCheckUtils]: 18: Hoare triple {5649#(or (< 1 (mod (+ main_~x~0 4294967284) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5645#(or (< 1 (mod (+ main_~x~0 4294967286) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:33,195 INFO L290 TraceCheckUtils]: 17: Hoare triple {5653#(or (< 1 (mod (+ 4294967282 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5649#(or (< 1 (mod (+ main_~x~0 4294967284) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:33,196 INFO L290 TraceCheckUtils]: 16: Hoare triple {5657#(or (< 1 (mod (+ main_~x~0 4294967280) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5653#(or (< 1 (mod (+ 4294967282 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:33,197 INFO L290 TraceCheckUtils]: 15: Hoare triple {5661#(or (< 1 (mod (+ main_~x~0 4294967278) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5657#(or (< 1 (mod (+ main_~x~0 4294967280) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:33,198 INFO L290 TraceCheckUtils]: 14: Hoare triple {5665#(or (< 1 (mod (+ 4294967276 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5661#(or (< 1 (mod (+ main_~x~0 4294967278) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:33,198 INFO L290 TraceCheckUtils]: 13: Hoare triple {5669#(or (< 1 (mod (+ 4294967274 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5665#(or (< 1 (mod (+ 4294967276 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:33,199 INFO L290 TraceCheckUtils]: 12: Hoare triple {5673#(or (< 1 (mod (+ 4294967272 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5669#(or (< 1 (mod (+ 4294967274 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:33,200 INFO L290 TraceCheckUtils]: 11: Hoare triple {5677#(or (< 1 (mod (+ main_~x~0 4294967270) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5673#(or (< 1 (mod (+ 4294967272 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:33,201 INFO L290 TraceCheckUtils]: 10: Hoare triple {5681#(or (< 1 (mod (+ main_~x~0 4294967268) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5677#(or (< 1 (mod (+ main_~x~0 4294967270) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:33,202 INFO L290 TraceCheckUtils]: 9: Hoare triple {5685#(or (< 1 (mod (+ main_~x~0 4294967266) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5681#(or (< 1 (mod (+ main_~x~0 4294967268) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:33,204 INFO L290 TraceCheckUtils]: 8: Hoare triple {5689#(or (< 1 (mod (+ main_~x~0 4294967264) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5685#(or (< 1 (mod (+ main_~x~0 4294967266) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:33,204 INFO L290 TraceCheckUtils]: 7: Hoare triple {5693#(or (< 1 (mod (+ main_~x~0 4294967262) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5689#(or (< 1 (mod (+ main_~x~0 4294967264) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:33,205 INFO L290 TraceCheckUtils]: 6: Hoare triple {5697#(or (< 1 (mod (+ 4294967260 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5693#(or (< 1 (mod (+ main_~x~0 4294967262) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:33,206 INFO L290 TraceCheckUtils]: 5: Hoare triple {5497#true} ~x~0 := 268435441; {5697#(or (< 1 (mod (+ 4294967260 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:33,206 INFO L272 TraceCheckUtils]: 4: Hoare triple {5497#true} call #t~ret4 := main(); {5497#true} is VALID [2022-04-08 09:25:33,206 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {5497#true} {5497#true} #34#return; {5497#true} is VALID [2022-04-08 09:25:33,206 INFO L290 TraceCheckUtils]: 2: Hoare triple {5497#true} assume true; {5497#true} is VALID [2022-04-08 09:25:33,206 INFO L290 TraceCheckUtils]: 1: Hoare triple {5497#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(13, 2);call #Ultimate.allocInit(12, 3); {5497#true} is VALID [2022-04-08 09:25:33,206 INFO L272 TraceCheckUtils]: 0: Hoare triple {5497#true} call ULTIMATE.init(); {5497#true} is VALID [2022-04-08 09:25:33,207 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:25:33,207 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2034612971] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-08 09:25:33,207 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-08 09:25:33,207 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 21, 24] total 45 [2022-04-08 09:25:33,207 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 09:25:33,207 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [2146488231] [2022-04-08 09:25:33,208 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [2146488231] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 09:25:33,208 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 09:25:33,208 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-04-08 09:25:33,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956080340] [2022-04-08 09:25:33,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 09:25:33,208 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 21 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 [2022-04-08 09:25:33,209 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 09:25:33,209 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 22 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 21 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) [2022-04-08 09:25:33,226 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 29 edges. 29 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:25:33,226 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-04-08 09:25:33,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 09:25:33,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-04-08 09:25:33,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=505, Invalid=1475, Unknown=0, NotChecked=0, Total=1980 [2022-04-08 09:25:33,227 INFO L87 Difference]: Start difference. First operand 30 states and 30 transitions. Second operand has 22 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 21 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) [2022-04-08 09:25:34,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:25:34,158 INFO L93 Difference]: Finished difference Result 36 states and 36 transitions. [2022-04-08 09:25:34,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-04-08 09:25:34,159 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 21 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 [2022-04-08 09:25:34,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 09:25:34,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 21 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) [2022-04-08 09:25:34,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 36 transitions. [2022-04-08 09:25:34,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 21 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) [2022-04-08 09:25:34,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 36 transitions. [2022-04-08 09:25:34,161 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 22 states and 36 transitions. [2022-04-08 09:25:34,190 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 36 edges. 36 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:25:34,190 INFO L225 Difference]: With dead ends: 36 [2022-04-08 09:25:34,190 INFO L226 Difference]: Without dead ends: 31 [2022-04-08 09:25:34,192 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 37 SyntacticMatches, 1 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 218 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=978, Invalid=3054, Unknown=0, NotChecked=0, Total=4032 [2022-04-08 09:25:34,192 INFO L913 BasicCegarLoop]: 11 mSDtfsCounter, 6 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 404 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-04-08 09:25:34,192 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 73 Invalid, 443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 404 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-04-08 09:25:34,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2022-04-08 09:25:34,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2022-04-08 09:25:34,224 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 09:25:34,225 INFO L82 GeneralOperation]: Start isEquivalent. First operand 31 states. Second operand has 31 states, 26 states have (on average 1.0384615384615385) internal successors, (27), 26 states have internal predecessors, (27), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:34,225 INFO L74 IsIncluded]: Start isIncluded. First operand 31 states. Second operand has 31 states, 26 states have (on average 1.0384615384615385) internal successors, (27), 26 states have internal predecessors, (27), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:34,225 INFO L87 Difference]: Start difference. First operand 31 states. Second operand has 31 states, 26 states have (on average 1.0384615384615385) internal successors, (27), 26 states have internal predecessors, (27), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:34,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:25:34,226 INFO L93 Difference]: Finished difference Result 31 states and 31 transitions. [2022-04-08 09:25:34,226 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 31 transitions. [2022-04-08 09:25:34,226 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:25:34,226 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:25:34,226 INFO L74 IsIncluded]: Start isIncluded. First operand has 31 states, 26 states have (on average 1.0384615384615385) internal successors, (27), 26 states have internal predecessors, (27), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 31 states. [2022-04-08 09:25:34,226 INFO L87 Difference]: Start difference. First operand has 31 states, 26 states have (on average 1.0384615384615385) internal successors, (27), 26 states have internal predecessors, (27), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 31 states. [2022-04-08 09:25:34,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:25:34,227 INFO L93 Difference]: Finished difference Result 31 states and 31 transitions. [2022-04-08 09:25:34,227 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 31 transitions. [2022-04-08 09:25:34,227 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:25:34,227 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:25:34,227 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 09:25:34,228 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 09:25:34,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 26 states have (on average 1.0384615384615385) internal successors, (27), 26 states have internal predecessors, (27), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:34,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 31 transitions. [2022-04-08 09:25:34,228 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 31 transitions. Word has length 29 [2022-04-08 09:25:34,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 09:25:34,229 INFO L478 AbstractCegarLoop]: Abstraction has 31 states and 31 transitions. [2022-04-08 09:25:34,229 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 21 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) [2022-04-08 09:25:34,229 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 31 states and 31 transitions. [2022-04-08 09:25:34,253 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 31 edges. 31 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:25:34,253 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 31 transitions. [2022-04-08 09:25:34,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-04-08 09:25:34,253 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 09:25:34,253 INFO L499 BasicCegarLoop]: trace histogram [19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 09:25:34,259 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2022-04-08 09:25:34,454 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 09:25:34,455 INFO L403 AbstractCegarLoop]: === Iteration 21 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 09:25:34,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 09:25:34,455 INFO L85 PathProgramCache]: Analyzing trace with hash 6751542, now seen corresponding path program 37 times [2022-04-08 09:25:34,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 09:25:34,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [460750123] [2022-04-08 09:25:34,460 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-08 09:25:34,460 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-08 09:25:34,460 INFO L85 PathProgramCache]: Analyzing trace with hash 6751542, now seen corresponding path program 38 times [2022-04-08 09:25:34,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 09:25:34,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657145722] [2022-04-08 09:25:34,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 09:25:34,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 09:25:34,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:25:34,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-08 09:25:34,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:25:34,800 INFO L290 TraceCheckUtils]: 0: Hoare triple {5977#(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(13, 2);call #Ultimate.allocInit(12, 3); {5952#true} is VALID [2022-04-08 09:25:34,800 INFO L290 TraceCheckUtils]: 1: Hoare triple {5952#true} assume true; {5952#true} is VALID [2022-04-08 09:25:34,800 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {5952#true} {5952#true} #34#return; {5952#true} is VALID [2022-04-08 09:25:34,800 INFO L272 TraceCheckUtils]: 0: Hoare triple {5952#true} call ULTIMATE.init(); {5977#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-08 09:25:34,801 INFO L290 TraceCheckUtils]: 1: Hoare triple {5977#(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(13, 2);call #Ultimate.allocInit(12, 3); {5952#true} is VALID [2022-04-08 09:25:34,801 INFO L290 TraceCheckUtils]: 2: Hoare triple {5952#true} assume true; {5952#true} is VALID [2022-04-08 09:25:34,801 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {5952#true} {5952#true} #34#return; {5952#true} is VALID [2022-04-08 09:25:34,801 INFO L272 TraceCheckUtils]: 4: Hoare triple {5952#true} call #t~ret4 := main(); {5952#true} is VALID [2022-04-08 09:25:34,801 INFO L290 TraceCheckUtils]: 5: Hoare triple {5952#true} ~x~0 := 268435441; {5957#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:25:34,802 INFO L290 TraceCheckUtils]: 6: Hoare triple {5957#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5958#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:25:34,802 INFO L290 TraceCheckUtils]: 7: Hoare triple {5958#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5959#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:25:34,803 INFO L290 TraceCheckUtils]: 8: Hoare triple {5959#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5960#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:25:34,803 INFO L290 TraceCheckUtils]: 9: Hoare triple {5960#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5961#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:25:34,804 INFO L290 TraceCheckUtils]: 10: Hoare triple {5961#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5962#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:25:34,804 INFO L290 TraceCheckUtils]: 11: Hoare triple {5962#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5963#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:25:34,805 INFO L290 TraceCheckUtils]: 12: Hoare triple {5963#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5964#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:25:34,805 INFO L290 TraceCheckUtils]: 13: Hoare triple {5964#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5965#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:25:34,806 INFO L290 TraceCheckUtils]: 14: Hoare triple {5965#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5966#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:25:34,806 INFO L290 TraceCheckUtils]: 15: Hoare triple {5966#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5967#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:25:34,807 INFO L290 TraceCheckUtils]: 16: Hoare triple {5967#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5968#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:25:34,807 INFO L290 TraceCheckUtils]: 17: Hoare triple {5968#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5969#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:25:34,808 INFO L290 TraceCheckUtils]: 18: Hoare triple {5969#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5970#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:25:34,809 INFO L290 TraceCheckUtils]: 19: Hoare triple {5970#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5971#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} is VALID [2022-04-08 09:25:34,809 INFO L290 TraceCheckUtils]: 20: Hoare triple {5971#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5972#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} is VALID [2022-04-08 09:25:34,810 INFO L290 TraceCheckUtils]: 21: Hoare triple {5972#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5973#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} is VALID [2022-04-08 09:25:34,810 INFO L290 TraceCheckUtils]: 22: Hoare triple {5973#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5974#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} is VALID [2022-04-08 09:25:34,811 INFO L290 TraceCheckUtils]: 23: Hoare triple {5974#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5975#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} is VALID [2022-04-08 09:25:34,811 INFO L290 TraceCheckUtils]: 24: Hoare triple {5975#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5976#(and (<= (div main_~x~0 4294967296) 0) (<= 268435403 main_~x~0))} is VALID [2022-04-08 09:25:34,812 INFO L290 TraceCheckUtils]: 25: Hoare triple {5976#(and (<= (div main_~x~0 4294967296) 0) (<= 268435403 main_~x~0))} assume !(~x~0 % 4294967296 > 1); {5953#false} is VALID [2022-04-08 09:25:34,812 INFO L272 TraceCheckUtils]: 26: Hoare triple {5953#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)); {5953#false} is VALID [2022-04-08 09:25:34,812 INFO L290 TraceCheckUtils]: 27: Hoare triple {5953#false} ~cond := #in~cond; {5953#false} is VALID [2022-04-08 09:25:34,812 INFO L290 TraceCheckUtils]: 28: Hoare triple {5953#false} assume 0 == ~cond; {5953#false} is VALID [2022-04-08 09:25:34,812 INFO L290 TraceCheckUtils]: 29: Hoare triple {5953#false} assume !false; {5953#false} is VALID [2022-04-08 09:25:34,812 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:25:34,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 09:25:34,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657145722] [2022-04-08 09:25:34,813 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657145722] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-08 09:25:34,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1402033180] [2022-04-08 09:25:34,813 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-08 09:25:34,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 09:25:34,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 09:25:34,814 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) [2022-04-08 09:25:34,816 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2022-04-08 09:25:34,846 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-08 09:25:34,847 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 09:25:34,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 44 conjunts are in the unsatisfiable core [2022-04-08 09:25:34,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:25:34,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 09:25:35,081 INFO L272 TraceCheckUtils]: 0: Hoare triple {5952#true} call ULTIMATE.init(); {5952#true} is VALID [2022-04-08 09:25:35,081 INFO L290 TraceCheckUtils]: 1: Hoare triple {5952#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(13, 2);call #Ultimate.allocInit(12, 3); {5952#true} is VALID [2022-04-08 09:25:35,081 INFO L290 TraceCheckUtils]: 2: Hoare triple {5952#true} assume true; {5952#true} is VALID [2022-04-08 09:25:35,081 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {5952#true} {5952#true} #34#return; {5952#true} is VALID [2022-04-08 09:25:35,082 INFO L272 TraceCheckUtils]: 4: Hoare triple {5952#true} call #t~ret4 := main(); {5952#true} is VALID [2022-04-08 09:25:35,082 INFO L290 TraceCheckUtils]: 5: Hoare triple {5952#true} ~x~0 := 268435441; {5957#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:25:35,082 INFO L290 TraceCheckUtils]: 6: Hoare triple {5957#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5958#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:25:35,083 INFO L290 TraceCheckUtils]: 7: Hoare triple {5958#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5959#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:25:35,083 INFO L290 TraceCheckUtils]: 8: Hoare triple {5959#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5960#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:25:35,084 INFO L290 TraceCheckUtils]: 9: Hoare triple {5960#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5961#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:25:35,084 INFO L290 TraceCheckUtils]: 10: Hoare triple {5961#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5962#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:25:35,085 INFO L290 TraceCheckUtils]: 11: Hoare triple {5962#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5963#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:25:35,085 INFO L290 TraceCheckUtils]: 12: Hoare triple {5963#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5964#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:25:35,086 INFO L290 TraceCheckUtils]: 13: Hoare triple {5964#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5965#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:25:35,087 INFO L290 TraceCheckUtils]: 14: Hoare triple {5965#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5966#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:25:35,087 INFO L290 TraceCheckUtils]: 15: Hoare triple {5966#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5967#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:25:35,088 INFO L290 TraceCheckUtils]: 16: Hoare triple {5967#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5968#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:25:35,088 INFO L290 TraceCheckUtils]: 17: Hoare triple {5968#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5969#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:25:35,089 INFO L290 TraceCheckUtils]: 18: Hoare triple {5969#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5970#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:25:35,089 INFO L290 TraceCheckUtils]: 19: Hoare triple {5970#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5971#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} is VALID [2022-04-08 09:25:35,090 INFO L290 TraceCheckUtils]: 20: Hoare triple {5971#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5972#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} is VALID [2022-04-08 09:25:35,090 INFO L290 TraceCheckUtils]: 21: Hoare triple {5972#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5973#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} is VALID [2022-04-08 09:25:35,091 INFO L290 TraceCheckUtils]: 22: Hoare triple {5973#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5974#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} is VALID [2022-04-08 09:25:35,091 INFO L290 TraceCheckUtils]: 23: Hoare triple {5974#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {5975#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} is VALID [2022-04-08 09:25:35,092 INFO L290 TraceCheckUtils]: 24: Hoare triple {5975#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6053#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} is VALID [2022-04-08 09:25:35,092 INFO L290 TraceCheckUtils]: 25: Hoare triple {6053#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} assume !(~x~0 % 4294967296 > 1); {5953#false} is VALID [2022-04-08 09:25:35,092 INFO L272 TraceCheckUtils]: 26: Hoare triple {5953#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)); {5953#false} is VALID [2022-04-08 09:25:35,092 INFO L290 TraceCheckUtils]: 27: Hoare triple {5953#false} ~cond := #in~cond; {5953#false} is VALID [2022-04-08 09:25:35,092 INFO L290 TraceCheckUtils]: 28: Hoare triple {5953#false} assume 0 == ~cond; {5953#false} is VALID [2022-04-08 09:25:35,093 INFO L290 TraceCheckUtils]: 29: Hoare triple {5953#false} assume !false; {5953#false} is VALID [2022-04-08 09:25:35,093 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:25:35,093 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 09:25:36,159 INFO L290 TraceCheckUtils]: 29: Hoare triple {5953#false} assume !false; {5953#false} is VALID [2022-04-08 09:25:36,159 INFO L290 TraceCheckUtils]: 28: Hoare triple {6072#(not (<= __VERIFIER_assert_~cond 0))} assume 0 == ~cond; {5953#false} is VALID [2022-04-08 09:25:36,160 INFO L290 TraceCheckUtils]: 27: Hoare triple {6076#(< 0 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {6072#(not (<= __VERIFIER_assert_~cond 0))} is VALID [2022-04-08 09:25:36,160 INFO L272 TraceCheckUtils]: 26: Hoare triple {6080#(= (mod main_~x~0 2) 0)} 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)); {6076#(< 0 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-08 09:25:36,160 INFO L290 TraceCheckUtils]: 25: Hoare triple {6084#(or (< 1 (mod main_~x~0 4294967296)) (= (mod main_~x~0 2) 0))} assume !(~x~0 % 4294967296 > 1); {6080#(= (mod main_~x~0 2) 0)} is VALID [2022-04-08 09:25:36,162 INFO L290 TraceCheckUtils]: 24: Hoare triple {6088#(or (< 1 (mod (+ main_~x~0 4294967294) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6084#(or (< 1 (mod main_~x~0 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:36,162 INFO L290 TraceCheckUtils]: 23: Hoare triple {6092#(or (< 1 (mod (+ 4294967292 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6088#(or (< 1 (mod (+ main_~x~0 4294967294) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:36,163 INFO L290 TraceCheckUtils]: 22: Hoare triple {6096#(or (< 1 (mod (+ 4294967290 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6092#(or (< 1 (mod (+ 4294967292 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:36,164 INFO L290 TraceCheckUtils]: 21: Hoare triple {6100#(or (< 1 (mod (+ 4294967288 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6096#(or (< 1 (mod (+ 4294967290 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:36,165 INFO L290 TraceCheckUtils]: 20: Hoare triple {6104#(or (< 1 (mod (+ main_~x~0 4294967286) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6100#(or (< 1 (mod (+ 4294967288 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:36,167 INFO L290 TraceCheckUtils]: 19: Hoare triple {6108#(or (< 1 (mod (+ main_~x~0 4294967284) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6104#(or (< 1 (mod (+ main_~x~0 4294967286) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:36,168 INFO L290 TraceCheckUtils]: 18: Hoare triple {6112#(or (< 1 (mod (+ 4294967282 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6108#(or (< 1 (mod (+ main_~x~0 4294967284) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:36,169 INFO L290 TraceCheckUtils]: 17: Hoare triple {6116#(or (< 1 (mod (+ main_~x~0 4294967280) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6112#(or (< 1 (mod (+ 4294967282 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:36,170 INFO L290 TraceCheckUtils]: 16: Hoare triple {6120#(or (< 1 (mod (+ main_~x~0 4294967278) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6116#(or (< 1 (mod (+ main_~x~0 4294967280) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:36,171 INFO L290 TraceCheckUtils]: 15: Hoare triple {6124#(or (< 1 (mod (+ 4294967276 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6120#(or (< 1 (mod (+ main_~x~0 4294967278) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:36,173 INFO L290 TraceCheckUtils]: 14: Hoare triple {6128#(or (< 1 (mod (+ 4294967274 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6124#(or (< 1 (mod (+ 4294967276 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:36,173 INFO L290 TraceCheckUtils]: 13: Hoare triple {6132#(or (< 1 (mod (+ 4294967272 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6128#(or (< 1 (mod (+ 4294967274 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:36,174 INFO L290 TraceCheckUtils]: 12: Hoare triple {6136#(or (< 1 (mod (+ main_~x~0 4294967270) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6132#(or (< 1 (mod (+ 4294967272 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:36,175 INFO L290 TraceCheckUtils]: 11: Hoare triple {6140#(or (< 1 (mod (+ main_~x~0 4294967268) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6136#(or (< 1 (mod (+ main_~x~0 4294967270) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:36,176 INFO L290 TraceCheckUtils]: 10: Hoare triple {6144#(or (< 1 (mod (+ main_~x~0 4294967266) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6140#(or (< 1 (mod (+ main_~x~0 4294967268) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:36,178 INFO L290 TraceCheckUtils]: 9: Hoare triple {6148#(or (< 1 (mod (+ main_~x~0 4294967264) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6144#(or (< 1 (mod (+ main_~x~0 4294967266) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:36,179 INFO L290 TraceCheckUtils]: 8: Hoare triple {6152#(or (< 1 (mod (+ main_~x~0 4294967262) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6148#(or (< 1 (mod (+ main_~x~0 4294967264) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:36,180 INFO L290 TraceCheckUtils]: 7: Hoare triple {6156#(or (< 1 (mod (+ 4294967260 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6152#(or (< 1 (mod (+ main_~x~0 4294967262) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:36,181 INFO L290 TraceCheckUtils]: 6: Hoare triple {6160#(or (< 1 (mod (+ main_~x~0 4294967258) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6156#(or (< 1 (mod (+ 4294967260 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:36,181 INFO L290 TraceCheckUtils]: 5: Hoare triple {5952#true} ~x~0 := 268435441; {6160#(or (< 1 (mod (+ main_~x~0 4294967258) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:36,182 INFO L272 TraceCheckUtils]: 4: Hoare triple {5952#true} call #t~ret4 := main(); {5952#true} is VALID [2022-04-08 09:25:36,182 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {5952#true} {5952#true} #34#return; {5952#true} is VALID [2022-04-08 09:25:36,182 INFO L290 TraceCheckUtils]: 2: Hoare triple {5952#true} assume true; {5952#true} is VALID [2022-04-08 09:25:36,182 INFO L290 TraceCheckUtils]: 1: Hoare triple {5952#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(13, 2);call #Ultimate.allocInit(12, 3); {5952#true} is VALID [2022-04-08 09:25:36,182 INFO L272 TraceCheckUtils]: 0: Hoare triple {5952#true} call ULTIMATE.init(); {5952#true} is VALID [2022-04-08 09:25:36,182 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:25:36,183 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1402033180] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-08 09:25:36,183 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-08 09:25:36,183 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 22, 25] total 47 [2022-04-08 09:25:36,183 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 09:25:36,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [460750123] [2022-04-08 09:25:36,183 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [460750123] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 09:25:36,183 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 09:25:36,183 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2022-04-08 09:25:36,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030308836] [2022-04-08 09:25:36,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 09:25:36,184 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 22 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 [2022-04-08 09:25:36,184 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 09:25:36,184 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 23 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 22 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) [2022-04-08 09:25:36,221 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 30 edges. 30 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:25:36,221 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-04-08 09:25:36,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 09:25:36,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-04-08 09:25:36,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=551, Invalid=1611, Unknown=0, NotChecked=0, Total=2162 [2022-04-08 09:25:36,222 INFO L87 Difference]: Start difference. First operand 31 states and 31 transitions. Second operand has 23 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 22 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) [2022-04-08 09:25:37,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:25:37,131 INFO L93 Difference]: Finished difference Result 37 states and 37 transitions. [2022-04-08 09:25:37,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-04-08 09:25:37,131 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 22 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 [2022-04-08 09:25:37,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 09:25:37,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 22 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) [2022-04-08 09:25:37,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 37 transitions. [2022-04-08 09:25:37,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 22 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) [2022-04-08 09:25:37,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 37 transitions. [2022-04-08 09:25:37,133 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 23 states and 37 transitions. [2022-04-08 09:25:37,157 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 37 edges. 37 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:25:37,157 INFO L225 Difference]: With dead ends: 37 [2022-04-08 09:25:37,157 INFO L226 Difference]: Without dead ends: 32 [2022-04-08 09:25:37,159 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 38 SyntacticMatches, 1 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 239 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=1069, Invalid=3353, Unknown=0, NotChecked=0, Total=4422 [2022-04-08 09:25:37,159 INFO L913 BasicCegarLoop]: 11 mSDtfsCounter, 6 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 402 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-04-08 09:25:37,159 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 33 Invalid, 443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 402 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-04-08 09:25:37,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2022-04-08 09:25:37,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2022-04-08 09:25:37,186 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 09:25:37,186 INFO L82 GeneralOperation]: Start isEquivalent. First operand 32 states. Second operand has 32 states, 27 states have (on average 1.037037037037037) internal successors, (28), 27 states have internal predecessors, (28), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:37,186 INFO L74 IsIncluded]: Start isIncluded. First operand 32 states. Second operand has 32 states, 27 states have (on average 1.037037037037037) internal successors, (28), 27 states have internal predecessors, (28), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:37,186 INFO L87 Difference]: Start difference. First operand 32 states. Second operand has 32 states, 27 states have (on average 1.037037037037037) internal successors, (28), 27 states have internal predecessors, (28), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:37,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:25:37,187 INFO L93 Difference]: Finished difference Result 32 states and 32 transitions. [2022-04-08 09:25:37,187 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 32 transitions. [2022-04-08 09:25:37,187 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:25:37,187 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:25:37,187 INFO L74 IsIncluded]: Start isIncluded. First operand has 32 states, 27 states have (on average 1.037037037037037) internal successors, (28), 27 states have internal predecessors, (28), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 32 states. [2022-04-08 09:25:37,187 INFO L87 Difference]: Start difference. First operand has 32 states, 27 states have (on average 1.037037037037037) internal successors, (28), 27 states have internal predecessors, (28), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 32 states. [2022-04-08 09:25:37,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:25:37,188 INFO L93 Difference]: Finished difference Result 32 states and 32 transitions. [2022-04-08 09:25:37,188 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 32 transitions. [2022-04-08 09:25:37,188 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:25:37,188 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:25:37,188 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 09:25:37,188 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 09:25:37,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 27 states have (on average 1.037037037037037) internal successors, (28), 27 states have internal predecessors, (28), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:37,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 32 transitions. [2022-04-08 09:25:37,189 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 32 transitions. Word has length 30 [2022-04-08 09:25:37,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 09:25:37,189 INFO L478 AbstractCegarLoop]: Abstraction has 32 states and 32 transitions. [2022-04-08 09:25:37,189 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 22 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) [2022-04-08 09:25:37,190 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 32 states and 32 transitions. [2022-04-08 09:25:37,219 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 32 edges. 32 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:25:37,220 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 32 transitions. [2022-04-08 09:25:37,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-04-08 09:25:37,220 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 09:25:37,220 INFO L499 BasicCegarLoop]: trace histogram [20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 09:25:37,236 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2022-04-08 09:25:37,420 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 09:25:37,421 INFO L403 AbstractCegarLoop]: === Iteration 22 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 09:25:37,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 09:25:37,421 INFO L85 PathProgramCache]: Analyzing trace with hash 245759068, now seen corresponding path program 39 times [2022-04-08 09:25:37,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 09:25:37,421 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [878610859] [2022-04-08 09:25:37,423 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-08 09:25:37,423 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-08 09:25:37,424 INFO L85 PathProgramCache]: Analyzing trace with hash 245759068, now seen corresponding path program 40 times [2022-04-08 09:25:37,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 09:25:37,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965301338] [2022-04-08 09:25:37,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 09:25:37,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 09:25:37,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:25:37,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-08 09:25:37,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:25:37,828 INFO L290 TraceCheckUtils]: 0: Hoare triple {6449#(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(13, 2);call #Ultimate.allocInit(12, 3); {6423#true} is VALID [2022-04-08 09:25:37,828 INFO L290 TraceCheckUtils]: 1: Hoare triple {6423#true} assume true; {6423#true} is VALID [2022-04-08 09:25:37,828 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {6423#true} {6423#true} #34#return; {6423#true} is VALID [2022-04-08 09:25:37,829 INFO L272 TraceCheckUtils]: 0: Hoare triple {6423#true} call ULTIMATE.init(); {6449#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-08 09:25:37,829 INFO L290 TraceCheckUtils]: 1: Hoare triple {6449#(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(13, 2);call #Ultimate.allocInit(12, 3); {6423#true} is VALID [2022-04-08 09:25:37,829 INFO L290 TraceCheckUtils]: 2: Hoare triple {6423#true} assume true; {6423#true} is VALID [2022-04-08 09:25:37,829 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {6423#true} {6423#true} #34#return; {6423#true} is VALID [2022-04-08 09:25:37,829 INFO L272 TraceCheckUtils]: 4: Hoare triple {6423#true} call #t~ret4 := main(); {6423#true} is VALID [2022-04-08 09:25:37,829 INFO L290 TraceCheckUtils]: 5: Hoare triple {6423#true} ~x~0 := 268435441; {6428#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:25:37,830 INFO L290 TraceCheckUtils]: 6: Hoare triple {6428#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6429#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:25:37,831 INFO L290 TraceCheckUtils]: 7: Hoare triple {6429#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6430#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:25:37,831 INFO L290 TraceCheckUtils]: 8: Hoare triple {6430#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6431#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:25:37,832 INFO L290 TraceCheckUtils]: 9: Hoare triple {6431#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6432#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:25:37,832 INFO L290 TraceCheckUtils]: 10: Hoare triple {6432#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6433#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:25:37,833 INFO L290 TraceCheckUtils]: 11: Hoare triple {6433#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6434#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:25:37,833 INFO L290 TraceCheckUtils]: 12: Hoare triple {6434#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6435#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:25:37,834 INFO L290 TraceCheckUtils]: 13: Hoare triple {6435#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6436#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:25:37,834 INFO L290 TraceCheckUtils]: 14: Hoare triple {6436#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6437#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:25:37,835 INFO L290 TraceCheckUtils]: 15: Hoare triple {6437#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6438#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:25:37,835 INFO L290 TraceCheckUtils]: 16: Hoare triple {6438#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6439#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:25:37,836 INFO L290 TraceCheckUtils]: 17: Hoare triple {6439#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6440#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:25:37,836 INFO L290 TraceCheckUtils]: 18: Hoare triple {6440#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6441#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:25:37,837 INFO L290 TraceCheckUtils]: 19: Hoare triple {6441#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6442#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} is VALID [2022-04-08 09:25:37,837 INFO L290 TraceCheckUtils]: 20: Hoare triple {6442#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6443#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} is VALID [2022-04-08 09:25:37,838 INFO L290 TraceCheckUtils]: 21: Hoare triple {6443#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6444#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} is VALID [2022-04-08 09:25:37,838 INFO L290 TraceCheckUtils]: 22: Hoare triple {6444#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6445#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} is VALID [2022-04-08 09:25:37,839 INFO L290 TraceCheckUtils]: 23: Hoare triple {6445#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6446#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} is VALID [2022-04-08 09:25:37,839 INFO L290 TraceCheckUtils]: 24: Hoare triple {6446#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6447#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} is VALID [2022-04-08 09:25:37,840 INFO L290 TraceCheckUtils]: 25: Hoare triple {6447#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6448#(and (<= (div main_~x~0 4294967296) 0) (<= 268435401 main_~x~0))} is VALID [2022-04-08 09:25:37,840 INFO L290 TraceCheckUtils]: 26: Hoare triple {6448#(and (<= (div main_~x~0 4294967296) 0) (<= 268435401 main_~x~0))} assume !(~x~0 % 4294967296 > 1); {6424#false} is VALID [2022-04-08 09:25:37,840 INFO L272 TraceCheckUtils]: 27: Hoare triple {6424#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)); {6424#false} is VALID [2022-04-08 09:25:37,841 INFO L290 TraceCheckUtils]: 28: Hoare triple {6424#false} ~cond := #in~cond; {6424#false} is VALID [2022-04-08 09:25:37,841 INFO L290 TraceCheckUtils]: 29: Hoare triple {6424#false} assume 0 == ~cond; {6424#false} is VALID [2022-04-08 09:25:37,841 INFO L290 TraceCheckUtils]: 30: Hoare triple {6424#false} assume !false; {6424#false} is VALID [2022-04-08 09:25:37,841 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:25:37,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 09:25:37,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965301338] [2022-04-08 09:25:37,842 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965301338] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-08 09:25:37,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [659511326] [2022-04-08 09:25:37,842 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-08 09:25:37,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 09:25:37,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 09:25:37,843 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) [2022-04-08 09:25:37,844 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2022-04-08 09:25:37,888 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-08 09:25:37,888 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 09:25:37,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 43 conjunts are in the unsatisfiable core [2022-04-08 09:25:37,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:25:37,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 09:25:38,222 INFO L272 TraceCheckUtils]: 0: Hoare triple {6423#true} call ULTIMATE.init(); {6423#true} is VALID [2022-04-08 09:25:38,222 INFO L290 TraceCheckUtils]: 1: Hoare triple {6423#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(13, 2);call #Ultimate.allocInit(12, 3); {6423#true} is VALID [2022-04-08 09:25:38,222 INFO L290 TraceCheckUtils]: 2: Hoare triple {6423#true} assume true; {6423#true} is VALID [2022-04-08 09:25:38,222 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {6423#true} {6423#true} #34#return; {6423#true} is VALID [2022-04-08 09:25:38,222 INFO L272 TraceCheckUtils]: 4: Hoare triple {6423#true} call #t~ret4 := main(); {6423#true} is VALID [2022-04-08 09:25:38,223 INFO L290 TraceCheckUtils]: 5: Hoare triple {6423#true} ~x~0 := 268435441; {6428#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:25:38,223 INFO L290 TraceCheckUtils]: 6: Hoare triple {6428#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6429#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:25:38,224 INFO L290 TraceCheckUtils]: 7: Hoare triple {6429#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6430#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:25:38,224 INFO L290 TraceCheckUtils]: 8: Hoare triple {6430#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6431#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:25:38,225 INFO L290 TraceCheckUtils]: 9: Hoare triple {6431#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6432#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:25:38,225 INFO L290 TraceCheckUtils]: 10: Hoare triple {6432#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6433#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:25:38,226 INFO L290 TraceCheckUtils]: 11: Hoare triple {6433#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6434#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:25:38,226 INFO L290 TraceCheckUtils]: 12: Hoare triple {6434#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6435#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:25:38,227 INFO L290 TraceCheckUtils]: 13: Hoare triple {6435#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6436#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:25:38,227 INFO L290 TraceCheckUtils]: 14: Hoare triple {6436#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6437#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:25:38,228 INFO L290 TraceCheckUtils]: 15: Hoare triple {6437#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6438#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:25:38,228 INFO L290 TraceCheckUtils]: 16: Hoare triple {6438#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6439#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:25:38,229 INFO L290 TraceCheckUtils]: 17: Hoare triple {6439#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6440#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:25:38,229 INFO L290 TraceCheckUtils]: 18: Hoare triple {6440#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6441#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:25:38,230 INFO L290 TraceCheckUtils]: 19: Hoare triple {6441#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6442#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} is VALID [2022-04-08 09:25:38,230 INFO L290 TraceCheckUtils]: 20: Hoare triple {6442#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6443#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} is VALID [2022-04-08 09:25:38,231 INFO L290 TraceCheckUtils]: 21: Hoare triple {6443#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6444#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} is VALID [2022-04-08 09:25:38,232 INFO L290 TraceCheckUtils]: 22: Hoare triple {6444#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6445#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} is VALID [2022-04-08 09:25:38,232 INFO L290 TraceCheckUtils]: 23: Hoare triple {6445#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6446#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} is VALID [2022-04-08 09:25:38,233 INFO L290 TraceCheckUtils]: 24: Hoare triple {6446#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6447#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} is VALID [2022-04-08 09:25:38,233 INFO L290 TraceCheckUtils]: 25: Hoare triple {6447#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6528#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} is VALID [2022-04-08 09:25:38,234 INFO L290 TraceCheckUtils]: 26: Hoare triple {6528#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} assume !(~x~0 % 4294967296 > 1); {6424#false} is VALID [2022-04-08 09:25:38,234 INFO L272 TraceCheckUtils]: 27: Hoare triple {6424#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)); {6424#false} is VALID [2022-04-08 09:25:38,234 INFO L290 TraceCheckUtils]: 28: Hoare triple {6424#false} ~cond := #in~cond; {6424#false} is VALID [2022-04-08 09:25:38,234 INFO L290 TraceCheckUtils]: 29: Hoare triple {6424#false} assume 0 == ~cond; {6424#false} is VALID [2022-04-08 09:25:38,234 INFO L290 TraceCheckUtils]: 30: Hoare triple {6424#false} assume !false; {6424#false} is VALID [2022-04-08 09:25:38,234 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:25:38,234 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 09:25:38,982 INFO L290 TraceCheckUtils]: 30: Hoare triple {6424#false} assume !false; {6424#false} is VALID [2022-04-08 09:25:38,983 INFO L290 TraceCheckUtils]: 29: Hoare triple {6424#false} assume 0 == ~cond; {6424#false} is VALID [2022-04-08 09:25:38,983 INFO L290 TraceCheckUtils]: 28: Hoare triple {6424#false} ~cond := #in~cond; {6424#false} is VALID [2022-04-08 09:25:38,983 INFO L272 TraceCheckUtils]: 27: Hoare triple {6424#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)); {6424#false} is VALID [2022-04-08 09:25:38,983 INFO L290 TraceCheckUtils]: 26: Hoare triple {6556#(< 1 (mod main_~x~0 4294967296))} assume !(~x~0 % 4294967296 > 1); {6424#false} is VALID [2022-04-08 09:25:38,984 INFO L290 TraceCheckUtils]: 25: Hoare triple {6560#(< 1 (mod (+ main_~x~0 4294967294) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6556#(< 1 (mod main_~x~0 4294967296))} is VALID [2022-04-08 09:25:38,985 INFO L290 TraceCheckUtils]: 24: Hoare triple {6564#(< 1 (mod (+ 4294967292 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6560#(< 1 (mod (+ main_~x~0 4294967294) 4294967296))} is VALID [2022-04-08 09:25:38,986 INFO L290 TraceCheckUtils]: 23: Hoare triple {6568#(< 1 (mod (+ 4294967290 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6564#(< 1 (mod (+ 4294967292 main_~x~0) 4294967296))} is VALID [2022-04-08 09:25:38,986 INFO L290 TraceCheckUtils]: 22: Hoare triple {6572#(< 1 (mod (+ 4294967288 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6568#(< 1 (mod (+ 4294967290 main_~x~0) 4294967296))} is VALID [2022-04-08 09:25:38,987 INFO L290 TraceCheckUtils]: 21: Hoare triple {6576#(< 1 (mod (+ main_~x~0 4294967286) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6572#(< 1 (mod (+ 4294967288 main_~x~0) 4294967296))} is VALID [2022-04-08 09:25:38,988 INFO L290 TraceCheckUtils]: 20: Hoare triple {6580#(< 1 (mod (+ main_~x~0 4294967284) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6576#(< 1 (mod (+ main_~x~0 4294967286) 4294967296))} is VALID [2022-04-08 09:25:38,988 INFO L290 TraceCheckUtils]: 19: Hoare triple {6584#(< 1 (mod (+ 4294967282 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6580#(< 1 (mod (+ main_~x~0 4294967284) 4294967296))} is VALID [2022-04-08 09:25:38,989 INFO L290 TraceCheckUtils]: 18: Hoare triple {6588#(< 1 (mod (+ main_~x~0 4294967280) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6584#(< 1 (mod (+ 4294967282 main_~x~0) 4294967296))} is VALID [2022-04-08 09:25:38,989 INFO L290 TraceCheckUtils]: 17: Hoare triple {6592#(< 1 (mod (+ main_~x~0 4294967278) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6588#(< 1 (mod (+ main_~x~0 4294967280) 4294967296))} is VALID [2022-04-08 09:25:38,990 INFO L290 TraceCheckUtils]: 16: Hoare triple {6596#(< 1 (mod (+ 4294967276 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6592#(< 1 (mod (+ main_~x~0 4294967278) 4294967296))} is VALID [2022-04-08 09:25:38,991 INFO L290 TraceCheckUtils]: 15: Hoare triple {6600#(< 1 (mod (+ 4294967274 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6596#(< 1 (mod (+ 4294967276 main_~x~0) 4294967296))} is VALID [2022-04-08 09:25:38,991 INFO L290 TraceCheckUtils]: 14: Hoare triple {6604#(< 1 (mod (+ 4294967272 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6600#(< 1 (mod (+ 4294967274 main_~x~0) 4294967296))} is VALID [2022-04-08 09:25:38,992 INFO L290 TraceCheckUtils]: 13: Hoare triple {6608#(< 1 (mod (+ main_~x~0 4294967270) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6604#(< 1 (mod (+ 4294967272 main_~x~0) 4294967296))} is VALID [2022-04-08 09:25:38,996 INFO L290 TraceCheckUtils]: 12: Hoare triple {6612#(< 1 (mod (+ main_~x~0 4294967268) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6608#(< 1 (mod (+ main_~x~0 4294967270) 4294967296))} is VALID [2022-04-08 09:25:38,996 INFO L290 TraceCheckUtils]: 11: Hoare triple {6616#(< 1 (mod (+ main_~x~0 4294967266) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6612#(< 1 (mod (+ main_~x~0 4294967268) 4294967296))} is VALID [2022-04-08 09:25:38,997 INFO L290 TraceCheckUtils]: 10: Hoare triple {6620#(< 1 (mod (+ main_~x~0 4294967264) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6616#(< 1 (mod (+ main_~x~0 4294967266) 4294967296))} is VALID [2022-04-08 09:25:38,998 INFO L290 TraceCheckUtils]: 9: Hoare triple {6624#(< 1 (mod (+ main_~x~0 4294967262) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6620#(< 1 (mod (+ main_~x~0 4294967264) 4294967296))} is VALID [2022-04-08 09:25:38,999 INFO L290 TraceCheckUtils]: 8: Hoare triple {6628#(< 1 (mod (+ 4294967260 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6624#(< 1 (mod (+ main_~x~0 4294967262) 4294967296))} is VALID [2022-04-08 09:25:39,000 INFO L290 TraceCheckUtils]: 7: Hoare triple {6632#(< 1 (mod (+ main_~x~0 4294967258) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6628#(< 1 (mod (+ 4294967260 main_~x~0) 4294967296))} is VALID [2022-04-08 09:25:39,000 INFO L290 TraceCheckUtils]: 6: Hoare triple {6636#(< 1 (mod (+ main_~x~0 4294967256) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6632#(< 1 (mod (+ main_~x~0 4294967258) 4294967296))} is VALID [2022-04-08 09:25:39,001 INFO L290 TraceCheckUtils]: 5: Hoare triple {6423#true} ~x~0 := 268435441; {6636#(< 1 (mod (+ main_~x~0 4294967256) 4294967296))} is VALID [2022-04-08 09:25:39,001 INFO L272 TraceCheckUtils]: 4: Hoare triple {6423#true} call #t~ret4 := main(); {6423#true} is VALID [2022-04-08 09:25:39,001 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {6423#true} {6423#true} #34#return; {6423#true} is VALID [2022-04-08 09:25:39,001 INFO L290 TraceCheckUtils]: 2: Hoare triple {6423#true} assume true; {6423#true} is VALID [2022-04-08 09:25:39,001 INFO L290 TraceCheckUtils]: 1: Hoare triple {6423#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(13, 2);call #Ultimate.allocInit(12, 3); {6423#true} is VALID [2022-04-08 09:25:39,002 INFO L272 TraceCheckUtils]: 0: Hoare triple {6423#true} call ULTIMATE.init(); {6423#true} is VALID [2022-04-08 09:25:39,002 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:25:39,002 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [659511326] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-08 09:25:39,002 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-08 09:25:39,002 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 23, 23] total 46 [2022-04-08 09:25:39,003 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 09:25:39,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [878610859] [2022-04-08 09:25:39,003 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [878610859] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 09:25:39,003 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 09:25:39,003 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-04-08 09:25:39,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339922234] [2022-04-08 09:25:39,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 09:25:39,004 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 1.125) internal successors, (27), 23 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 [2022-04-08 09:25:39,004 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 09:25:39,004 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 24 states, 24 states have (on average 1.125) internal successors, (27), 23 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) [2022-04-08 09:25:39,024 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 31 edges. 31 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:25:39,024 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-04-08 09:25:39,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 09:25:39,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-04-08 09:25:39,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=572, Invalid=1498, Unknown=0, NotChecked=0, Total=2070 [2022-04-08 09:25:39,026 INFO L87 Difference]: Start difference. First operand 32 states and 32 transitions. Second operand has 24 states, 24 states have (on average 1.125) internal successors, (27), 23 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) [2022-04-08 09:25:40,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:25:40,064 INFO L93 Difference]: Finished difference Result 38 states and 38 transitions. [2022-04-08 09:25:40,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-04-08 09:25:40,064 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 1.125) internal successors, (27), 23 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 [2022-04-08 09:25:40,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 09:25:40,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 1.125) internal successors, (27), 23 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) [2022-04-08 09:25:40,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 38 transitions. [2022-04-08 09:25:40,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 1.125) internal successors, (27), 23 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) [2022-04-08 09:25:40,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 38 transitions. [2022-04-08 09:25:40,066 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 24 states and 38 transitions. [2022-04-08 09:25:40,098 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 38 edges. 38 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:25:40,099 INFO L225 Difference]: With dead ends: 38 [2022-04-08 09:25:40,099 INFO L226 Difference]: Without dead ends: 33 [2022-04-08 09:25:40,100 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 42 SyntacticMatches, 1 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 255 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1137, Invalid=3285, Unknown=0, NotChecked=0, Total=4422 [2022-04-08 09:25:40,101 INFO L913 BasicCegarLoop]: 11 mSDtfsCounter, 6 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 442 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 485 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-04-08 09:25:40,101 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 33 Invalid, 485 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 442 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-04-08 09:25:40,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2022-04-08 09:25:40,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2022-04-08 09:25:40,146 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 09:25:40,147 INFO L82 GeneralOperation]: Start isEquivalent. First operand 33 states. Second operand has 33 states, 28 states have (on average 1.0357142857142858) internal successors, (29), 28 states have internal predecessors, (29), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:40,147 INFO L74 IsIncluded]: Start isIncluded. First operand 33 states. Second operand has 33 states, 28 states have (on average 1.0357142857142858) internal successors, (29), 28 states have internal predecessors, (29), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:40,147 INFO L87 Difference]: Start difference. First operand 33 states. Second operand has 33 states, 28 states have (on average 1.0357142857142858) internal successors, (29), 28 states have internal predecessors, (29), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:40,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:25:40,148 INFO L93 Difference]: Finished difference Result 33 states and 33 transitions. [2022-04-08 09:25:40,148 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 33 transitions. [2022-04-08 09:25:40,148 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:25:40,148 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:25:40,148 INFO L74 IsIncluded]: Start isIncluded. First operand has 33 states, 28 states have (on average 1.0357142857142858) internal successors, (29), 28 states have internal predecessors, (29), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 33 states. [2022-04-08 09:25:40,148 INFO L87 Difference]: Start difference. First operand has 33 states, 28 states have (on average 1.0357142857142858) internal successors, (29), 28 states have internal predecessors, (29), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 33 states. [2022-04-08 09:25:40,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:25:40,149 INFO L93 Difference]: Finished difference Result 33 states and 33 transitions. [2022-04-08 09:25:40,149 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 33 transitions. [2022-04-08 09:25:40,149 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:25:40,149 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:25:40,149 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 09:25:40,149 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 09:25:40,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 28 states have (on average 1.0357142857142858) internal successors, (29), 28 states have internal predecessors, (29), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:40,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 33 transitions. [2022-04-08 09:25:40,150 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 33 transitions. Word has length 31 [2022-04-08 09:25:40,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 09:25:40,151 INFO L478 AbstractCegarLoop]: Abstraction has 33 states and 33 transitions. [2022-04-08 09:25:40,151 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 1.125) internal successors, (27), 23 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) [2022-04-08 09:25:40,151 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 33 states and 33 transitions. [2022-04-08 09:25:40,177 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 33 edges. 33 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:25:40,177 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 33 transitions. [2022-04-08 09:25:40,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-04-08 09:25:40,178 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 09:25:40,178 INFO L499 BasicCegarLoop]: trace histogram [21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 09:25:40,204 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2022-04-08 09:25:40,391 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2022-04-08 09:25:40,391 INFO L403 AbstractCegarLoop]: === Iteration 23 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 09:25:40,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 09:25:40,392 INFO L85 PathProgramCache]: Analyzing trace with hash -934942218, now seen corresponding path program 41 times [2022-04-08 09:25:40,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 09:25:40,392 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [2003827078] [2022-04-08 09:25:40,395 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-08 09:25:40,395 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-08 09:25:40,395 INFO L85 PathProgramCache]: Analyzing trace with hash -934942218, now seen corresponding path program 42 times [2022-04-08 09:25:40,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 09:25:40,395 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517235355] [2022-04-08 09:25:40,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 09:25:40,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 09:25:40,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:25:40,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-08 09:25:40,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:25:40,779 INFO L290 TraceCheckUtils]: 0: Hoare triple {6934#(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(13, 2);call #Ultimate.allocInit(12, 3); {6907#true} is VALID [2022-04-08 09:25:40,779 INFO L290 TraceCheckUtils]: 1: Hoare triple {6907#true} assume true; {6907#true} is VALID [2022-04-08 09:25:40,780 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {6907#true} {6907#true} #34#return; {6907#true} is VALID [2022-04-08 09:25:40,780 INFO L272 TraceCheckUtils]: 0: Hoare triple {6907#true} call ULTIMATE.init(); {6934#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-08 09:25:40,780 INFO L290 TraceCheckUtils]: 1: Hoare triple {6934#(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(13, 2);call #Ultimate.allocInit(12, 3); {6907#true} is VALID [2022-04-08 09:25:40,780 INFO L290 TraceCheckUtils]: 2: Hoare triple {6907#true} assume true; {6907#true} is VALID [2022-04-08 09:25:40,780 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {6907#true} {6907#true} #34#return; {6907#true} is VALID [2022-04-08 09:25:40,780 INFO L272 TraceCheckUtils]: 4: Hoare triple {6907#true} call #t~ret4 := main(); {6907#true} is VALID [2022-04-08 09:25:40,781 INFO L290 TraceCheckUtils]: 5: Hoare triple {6907#true} ~x~0 := 268435441; {6912#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:25:40,781 INFO L290 TraceCheckUtils]: 6: Hoare triple {6912#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6913#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:25:40,782 INFO L290 TraceCheckUtils]: 7: Hoare triple {6913#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6914#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:25:40,782 INFO L290 TraceCheckUtils]: 8: Hoare triple {6914#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6915#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:25:40,783 INFO L290 TraceCheckUtils]: 9: Hoare triple {6915#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6916#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:25:40,783 INFO L290 TraceCheckUtils]: 10: Hoare triple {6916#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6917#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:25:40,784 INFO L290 TraceCheckUtils]: 11: Hoare triple {6917#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6918#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:25:40,784 INFO L290 TraceCheckUtils]: 12: Hoare triple {6918#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6919#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:25:40,785 INFO L290 TraceCheckUtils]: 13: Hoare triple {6919#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6920#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:25:40,786 INFO L290 TraceCheckUtils]: 14: Hoare triple {6920#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6921#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:25:40,786 INFO L290 TraceCheckUtils]: 15: Hoare triple {6921#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6922#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:25:40,787 INFO L290 TraceCheckUtils]: 16: Hoare triple {6922#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6923#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:25:40,787 INFO L290 TraceCheckUtils]: 17: Hoare triple {6923#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6924#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:25:40,788 INFO L290 TraceCheckUtils]: 18: Hoare triple {6924#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6925#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:25:40,788 INFO L290 TraceCheckUtils]: 19: Hoare triple {6925#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6926#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} is VALID [2022-04-08 09:25:40,789 INFO L290 TraceCheckUtils]: 20: Hoare triple {6926#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6927#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} is VALID [2022-04-08 09:25:40,789 INFO L290 TraceCheckUtils]: 21: Hoare triple {6927#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6928#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} is VALID [2022-04-08 09:25:40,790 INFO L290 TraceCheckUtils]: 22: Hoare triple {6928#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6929#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} is VALID [2022-04-08 09:25:40,790 INFO L290 TraceCheckUtils]: 23: Hoare triple {6929#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6930#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} is VALID [2022-04-08 09:25:40,791 INFO L290 TraceCheckUtils]: 24: Hoare triple {6930#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6931#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} is VALID [2022-04-08 09:25:40,791 INFO L290 TraceCheckUtils]: 25: Hoare triple {6931#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6932#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} is VALID [2022-04-08 09:25:40,792 INFO L290 TraceCheckUtils]: 26: Hoare triple {6932#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6933#(and (<= (div main_~x~0 4294967296) 0) (<= 268435399 main_~x~0))} is VALID [2022-04-08 09:25:40,792 INFO L290 TraceCheckUtils]: 27: Hoare triple {6933#(and (<= (div main_~x~0 4294967296) 0) (<= 268435399 main_~x~0))} assume !(~x~0 % 4294967296 > 1); {6908#false} is VALID [2022-04-08 09:25:40,792 INFO L272 TraceCheckUtils]: 28: Hoare triple {6908#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)); {6908#false} is VALID [2022-04-08 09:25:40,792 INFO L290 TraceCheckUtils]: 29: Hoare triple {6908#false} ~cond := #in~cond; {6908#false} is VALID [2022-04-08 09:25:40,792 INFO L290 TraceCheckUtils]: 30: Hoare triple {6908#false} assume 0 == ~cond; {6908#false} is VALID [2022-04-08 09:25:40,793 INFO L290 TraceCheckUtils]: 31: Hoare triple {6908#false} assume !false; {6908#false} is VALID [2022-04-08 09:25:40,793 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:25:40,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 09:25:40,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517235355] [2022-04-08 09:25:40,793 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517235355] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-08 09:25:40,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [149056546] [2022-04-08 09:25:40,793 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-04-08 09:25:40,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 09:25:40,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 09:25:40,794 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) [2022-04-08 09:25:40,795 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2022-04-08 09:25:40,989 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2022-04-08 09:25:40,989 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 09:25:40,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 48 conjunts are in the unsatisfiable core [2022-04-08 09:25:40,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:25:40,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 09:25:41,247 INFO L272 TraceCheckUtils]: 0: Hoare triple {6907#true} call ULTIMATE.init(); {6907#true} is VALID [2022-04-08 09:25:41,247 INFO L290 TraceCheckUtils]: 1: Hoare triple {6907#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(13, 2);call #Ultimate.allocInit(12, 3); {6907#true} is VALID [2022-04-08 09:25:41,247 INFO L290 TraceCheckUtils]: 2: Hoare triple {6907#true} assume true; {6907#true} is VALID [2022-04-08 09:25:41,247 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {6907#true} {6907#true} #34#return; {6907#true} is VALID [2022-04-08 09:25:41,247 INFO L272 TraceCheckUtils]: 4: Hoare triple {6907#true} call #t~ret4 := main(); {6907#true} is VALID [2022-04-08 09:25:41,248 INFO L290 TraceCheckUtils]: 5: Hoare triple {6907#true} ~x~0 := 268435441; {6912#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:25:41,248 INFO L290 TraceCheckUtils]: 6: Hoare triple {6912#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6913#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:25:41,249 INFO L290 TraceCheckUtils]: 7: Hoare triple {6913#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6914#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:25:41,249 INFO L290 TraceCheckUtils]: 8: Hoare triple {6914#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6915#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:25:41,250 INFO L290 TraceCheckUtils]: 9: Hoare triple {6915#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6916#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:25:41,250 INFO L290 TraceCheckUtils]: 10: Hoare triple {6916#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6917#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:25:41,251 INFO L290 TraceCheckUtils]: 11: Hoare triple {6917#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6918#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:25:41,252 INFO L290 TraceCheckUtils]: 12: Hoare triple {6918#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6919#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:25:41,252 INFO L290 TraceCheckUtils]: 13: Hoare triple {6919#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6920#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:25:41,253 INFO L290 TraceCheckUtils]: 14: Hoare triple {6920#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6921#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:25:41,253 INFO L290 TraceCheckUtils]: 15: Hoare triple {6921#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6922#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:25:41,254 INFO L290 TraceCheckUtils]: 16: Hoare triple {6922#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6923#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:25:41,254 INFO L290 TraceCheckUtils]: 17: Hoare triple {6923#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6924#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:25:41,255 INFO L290 TraceCheckUtils]: 18: Hoare triple {6924#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6925#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:25:41,255 INFO L290 TraceCheckUtils]: 19: Hoare triple {6925#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6926#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} is VALID [2022-04-08 09:25:41,256 INFO L290 TraceCheckUtils]: 20: Hoare triple {6926#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6927#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} is VALID [2022-04-08 09:25:41,256 INFO L290 TraceCheckUtils]: 21: Hoare triple {6927#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6928#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} is VALID [2022-04-08 09:25:41,257 INFO L290 TraceCheckUtils]: 22: Hoare triple {6928#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6929#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} is VALID [2022-04-08 09:25:41,258 INFO L290 TraceCheckUtils]: 23: Hoare triple {6929#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6930#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} is VALID [2022-04-08 09:25:41,258 INFO L290 TraceCheckUtils]: 24: Hoare triple {6930#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6931#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} is VALID [2022-04-08 09:25:41,259 INFO L290 TraceCheckUtils]: 25: Hoare triple {6931#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {6932#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} is VALID [2022-04-08 09:25:41,259 INFO L290 TraceCheckUtils]: 26: Hoare triple {6932#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7016#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} is VALID [2022-04-08 09:25:41,260 INFO L290 TraceCheckUtils]: 27: Hoare triple {7016#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} assume !(~x~0 % 4294967296 > 1); {6908#false} is VALID [2022-04-08 09:25:41,260 INFO L272 TraceCheckUtils]: 28: Hoare triple {6908#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)); {6908#false} is VALID [2022-04-08 09:25:41,260 INFO L290 TraceCheckUtils]: 29: Hoare triple {6908#false} ~cond := #in~cond; {6908#false} is VALID [2022-04-08 09:25:41,260 INFO L290 TraceCheckUtils]: 30: Hoare triple {6908#false} assume 0 == ~cond; {6908#false} is VALID [2022-04-08 09:25:41,260 INFO L290 TraceCheckUtils]: 31: Hoare triple {6908#false} assume !false; {6908#false} is VALID [2022-04-08 09:25:41,260 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:25:41,261 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 09:25:42,590 INFO L290 TraceCheckUtils]: 31: Hoare triple {6908#false} assume !false; {6908#false} is VALID [2022-04-08 09:25:42,590 INFO L290 TraceCheckUtils]: 30: Hoare triple {7035#(not (<= __VERIFIER_assert_~cond 0))} assume 0 == ~cond; {6908#false} is VALID [2022-04-08 09:25:42,591 INFO L290 TraceCheckUtils]: 29: Hoare triple {7039#(< 0 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {7035#(not (<= __VERIFIER_assert_~cond 0))} is VALID [2022-04-08 09:25:42,591 INFO L272 TraceCheckUtils]: 28: Hoare triple {7043#(= (mod main_~x~0 2) 0)} 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)); {7039#(< 0 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-08 09:25:42,592 INFO L290 TraceCheckUtils]: 27: Hoare triple {7047#(or (< 1 (mod main_~x~0 4294967296)) (= (mod main_~x~0 2) 0))} assume !(~x~0 % 4294967296 > 1); {7043#(= (mod main_~x~0 2) 0)} is VALID [2022-04-08 09:25:42,594 INFO L290 TraceCheckUtils]: 26: Hoare triple {7051#(or (< 1 (mod (+ main_~x~0 4294967294) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7047#(or (< 1 (mod main_~x~0 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:42,595 INFO L290 TraceCheckUtils]: 25: Hoare triple {7055#(or (< 1 (mod (+ 4294967292 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7051#(or (< 1 (mod (+ main_~x~0 4294967294) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:42,596 INFO L290 TraceCheckUtils]: 24: Hoare triple {7059#(or (< 1 (mod (+ 4294967290 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7055#(or (< 1 (mod (+ 4294967292 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:42,597 INFO L290 TraceCheckUtils]: 23: Hoare triple {7063#(or (< 1 (mod (+ 4294967288 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7059#(or (< 1 (mod (+ 4294967290 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:42,598 INFO L290 TraceCheckUtils]: 22: Hoare triple {7067#(or (< 1 (mod (+ main_~x~0 4294967286) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7063#(or (< 1 (mod (+ 4294967288 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:42,599 INFO L290 TraceCheckUtils]: 21: Hoare triple {7071#(or (< 1 (mod (+ main_~x~0 4294967284) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7067#(or (< 1 (mod (+ main_~x~0 4294967286) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:42,600 INFO L290 TraceCheckUtils]: 20: Hoare triple {7075#(or (< 1 (mod (+ 4294967282 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7071#(or (< 1 (mod (+ main_~x~0 4294967284) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:42,601 INFO L290 TraceCheckUtils]: 19: Hoare triple {7079#(or (< 1 (mod (+ main_~x~0 4294967280) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7075#(or (< 1 (mod (+ 4294967282 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:42,602 INFO L290 TraceCheckUtils]: 18: Hoare triple {7083#(or (< 1 (mod (+ main_~x~0 4294967278) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7079#(or (< 1 (mod (+ main_~x~0 4294967280) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:42,604 INFO L290 TraceCheckUtils]: 17: Hoare triple {7087#(or (< 1 (mod (+ 4294967276 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7083#(or (< 1 (mod (+ main_~x~0 4294967278) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:42,606 INFO L290 TraceCheckUtils]: 16: Hoare triple {7091#(or (< 1 (mod (+ 4294967274 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7087#(or (< 1 (mod (+ 4294967276 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:42,607 INFO L290 TraceCheckUtils]: 15: Hoare triple {7095#(or (< 1 (mod (+ 4294967272 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7091#(or (< 1 (mod (+ 4294967274 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:42,609 INFO L290 TraceCheckUtils]: 14: Hoare triple {7099#(or (< 1 (mod (+ main_~x~0 4294967270) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7095#(or (< 1 (mod (+ 4294967272 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:42,610 INFO L290 TraceCheckUtils]: 13: Hoare triple {7103#(or (< 1 (mod (+ main_~x~0 4294967268) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7099#(or (< 1 (mod (+ main_~x~0 4294967270) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:42,611 INFO L290 TraceCheckUtils]: 12: Hoare triple {7107#(or (< 1 (mod (+ main_~x~0 4294967266) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7103#(or (< 1 (mod (+ main_~x~0 4294967268) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:42,612 INFO L290 TraceCheckUtils]: 11: Hoare triple {7111#(or (< 1 (mod (+ main_~x~0 4294967264) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7107#(or (< 1 (mod (+ main_~x~0 4294967266) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:42,613 INFO L290 TraceCheckUtils]: 10: Hoare triple {7115#(or (< 1 (mod (+ main_~x~0 4294967262) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7111#(or (< 1 (mod (+ main_~x~0 4294967264) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:42,614 INFO L290 TraceCheckUtils]: 9: Hoare triple {7119#(or (< 1 (mod (+ 4294967260 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7115#(or (< 1 (mod (+ main_~x~0 4294967262) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:42,615 INFO L290 TraceCheckUtils]: 8: Hoare triple {7123#(or (< 1 (mod (+ main_~x~0 4294967258) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7119#(or (< 1 (mod (+ 4294967260 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:42,616 INFO L290 TraceCheckUtils]: 7: Hoare triple {7127#(or (< 1 (mod (+ main_~x~0 4294967256) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7123#(or (< 1 (mod (+ main_~x~0 4294967258) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:42,617 INFO L290 TraceCheckUtils]: 6: Hoare triple {7131#(or (< 1 (mod (+ 4294967254 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7127#(or (< 1 (mod (+ main_~x~0 4294967256) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:42,618 INFO L290 TraceCheckUtils]: 5: Hoare triple {6907#true} ~x~0 := 268435441; {7131#(or (< 1 (mod (+ 4294967254 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:42,618 INFO L272 TraceCheckUtils]: 4: Hoare triple {6907#true} call #t~ret4 := main(); {6907#true} is VALID [2022-04-08 09:25:42,618 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {6907#true} {6907#true} #34#return; {6907#true} is VALID [2022-04-08 09:25:42,618 INFO L290 TraceCheckUtils]: 2: Hoare triple {6907#true} assume true; {6907#true} is VALID [2022-04-08 09:25:42,618 INFO L290 TraceCheckUtils]: 1: Hoare triple {6907#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(13, 2);call #Ultimate.allocInit(12, 3); {6907#true} is VALID [2022-04-08 09:25:42,618 INFO L272 TraceCheckUtils]: 0: Hoare triple {6907#true} call ULTIMATE.init(); {6907#true} is VALID [2022-04-08 09:25:42,619 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:25:42,619 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [149056546] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-08 09:25:42,619 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-08 09:25:42,619 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 24, 27] total 51 [2022-04-08 09:25:42,620 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 09:25:42,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [2003827078] [2022-04-08 09:25:42,620 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [2003827078] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 09:25:42,620 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 09:25:42,620 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2022-04-08 09:25:42,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699603180] [2022-04-08 09:25:42,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 09:25:42,621 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 1.12) internal successors, (28), 24 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 [2022-04-08 09:25:42,621 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 09:25:42,621 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 25 states, 25 states have (on average 1.12) internal successors, (28), 24 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) [2022-04-08 09:25:42,643 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 32 edges. 32 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:25:42,643 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-04-08 09:25:42,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 09:25:42,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-04-08 09:25:42,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=649, Invalid=1901, Unknown=0, NotChecked=0, Total=2550 [2022-04-08 09:25:42,645 INFO L87 Difference]: Start difference. First operand 33 states and 33 transitions. Second operand has 25 states, 25 states have (on average 1.12) internal successors, (28), 24 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) [2022-04-08 09:25:43,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:25:43,758 INFO L93 Difference]: Finished difference Result 39 states and 39 transitions. [2022-04-08 09:25:43,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-04-08 09:25:43,759 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 1.12) internal successors, (28), 24 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 [2022-04-08 09:25:43,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 09:25:43,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.12) internal successors, (28), 24 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) [2022-04-08 09:25:43,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 39 transitions. [2022-04-08 09:25:43,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.12) internal successors, (28), 24 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) [2022-04-08 09:25:43,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 39 transitions. [2022-04-08 09:25:43,761 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 25 states and 39 transitions. [2022-04-08 09:25:43,796 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 39 edges. 39 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:25:43,797 INFO L225 Difference]: With dead ends: 39 [2022-04-08 09:25:43,797 INFO L226 Difference]: Without dead ends: 34 [2022-04-08 09:25:43,798 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 40 SyntacticMatches, 1 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 284 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=1263, Invalid=3993, Unknown=0, NotChecked=0, Total=5256 [2022-04-08 09:25:43,799 INFO L913 BasicCegarLoop]: 11 mSDtfsCounter, 6 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 489 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 489 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-04-08 09:25:43,799 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 38 Invalid, 534 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 489 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-04-08 09:25:43,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2022-04-08 09:25:43,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2022-04-08 09:25:43,835 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 09:25:43,835 INFO L82 GeneralOperation]: Start isEquivalent. First operand 34 states. Second operand has 34 states, 29 states have (on average 1.0344827586206897) internal successors, (30), 29 states have internal predecessors, (30), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:43,835 INFO L74 IsIncluded]: Start isIncluded. First operand 34 states. Second operand has 34 states, 29 states have (on average 1.0344827586206897) internal successors, (30), 29 states have internal predecessors, (30), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:43,835 INFO L87 Difference]: Start difference. First operand 34 states. Second operand has 34 states, 29 states have (on average 1.0344827586206897) internal successors, (30), 29 states have internal predecessors, (30), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:43,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:25:43,836 INFO L93 Difference]: Finished difference Result 34 states and 34 transitions. [2022-04-08 09:25:43,836 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 34 transitions. [2022-04-08 09:25:43,836 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:25:43,836 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:25:43,837 INFO L74 IsIncluded]: Start isIncluded. First operand has 34 states, 29 states have (on average 1.0344827586206897) internal successors, (30), 29 states have internal predecessors, (30), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 34 states. [2022-04-08 09:25:43,837 INFO L87 Difference]: Start difference. First operand has 34 states, 29 states have (on average 1.0344827586206897) internal successors, (30), 29 states have internal predecessors, (30), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 34 states. [2022-04-08 09:25:43,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:25:43,837 INFO L93 Difference]: Finished difference Result 34 states and 34 transitions. [2022-04-08 09:25:43,838 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 34 transitions. [2022-04-08 09:25:43,838 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:25:43,838 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:25:43,838 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 09:25:43,838 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 09:25:43,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 29 states have (on average 1.0344827586206897) internal successors, (30), 29 states have internal predecessors, (30), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:43,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 34 transitions. [2022-04-08 09:25:43,839 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 34 transitions. Word has length 32 [2022-04-08 09:25:43,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 09:25:43,839 INFO L478 AbstractCegarLoop]: Abstraction has 34 states and 34 transitions. [2022-04-08 09:25:43,839 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 1.12) internal successors, (28), 24 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) [2022-04-08 09:25:43,839 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 34 states and 34 transitions. [2022-04-08 09:25:43,870 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 34 edges. 34 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:25:43,871 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 34 transitions. [2022-04-08 09:25:43,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-04-08 09:25:43,871 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 09:25:43,871 INFO L499 BasicCegarLoop]: trace histogram [22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 09:25:43,875 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2022-04-08 09:25:44,072 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2022-04-08 09:25:44,072 INFO L403 AbstractCegarLoop]: === Iteration 24 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 09:25:44,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 09:25:44,072 INFO L85 PathProgramCache]: Analyzing trace with hash 1118023580, now seen corresponding path program 43 times [2022-04-08 09:25:44,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 09:25:44,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1484120299] [2022-04-08 09:25:44,075 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-08 09:25:44,075 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-08 09:25:44,075 INFO L85 PathProgramCache]: Analyzing trace with hash 1118023580, now seen corresponding path program 44 times [2022-04-08 09:25:44,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 09:25:44,075 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660136690] [2022-04-08 09:25:44,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 09:25:44,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 09:25:44,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:25:44,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-08 09:25:44,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:25:44,533 INFO L290 TraceCheckUtils]: 0: Hoare triple {7438#(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(13, 2);call #Ultimate.allocInit(12, 3); {7410#true} is VALID [2022-04-08 09:25:44,534 INFO L290 TraceCheckUtils]: 1: Hoare triple {7410#true} assume true; {7410#true} is VALID [2022-04-08 09:25:44,534 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {7410#true} {7410#true} #34#return; {7410#true} is VALID [2022-04-08 09:25:44,534 INFO L272 TraceCheckUtils]: 0: Hoare triple {7410#true} call ULTIMATE.init(); {7438#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-08 09:25:44,534 INFO L290 TraceCheckUtils]: 1: Hoare triple {7438#(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(13, 2);call #Ultimate.allocInit(12, 3); {7410#true} is VALID [2022-04-08 09:25:44,534 INFO L290 TraceCheckUtils]: 2: Hoare triple {7410#true} assume true; {7410#true} is VALID [2022-04-08 09:25:44,535 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {7410#true} {7410#true} #34#return; {7410#true} is VALID [2022-04-08 09:25:44,535 INFO L272 TraceCheckUtils]: 4: Hoare triple {7410#true} call #t~ret4 := main(); {7410#true} is VALID [2022-04-08 09:25:44,535 INFO L290 TraceCheckUtils]: 5: Hoare triple {7410#true} ~x~0 := 268435441; {7415#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:25:44,536 INFO L290 TraceCheckUtils]: 6: Hoare triple {7415#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7416#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:25:44,536 INFO L290 TraceCheckUtils]: 7: Hoare triple {7416#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7417#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:25:44,537 INFO L290 TraceCheckUtils]: 8: Hoare triple {7417#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7418#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:25:44,537 INFO L290 TraceCheckUtils]: 9: Hoare triple {7418#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7419#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:25:44,538 INFO L290 TraceCheckUtils]: 10: Hoare triple {7419#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7420#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:25:44,538 INFO L290 TraceCheckUtils]: 11: Hoare triple {7420#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7421#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:25:44,539 INFO L290 TraceCheckUtils]: 12: Hoare triple {7421#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7422#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:25:44,539 INFO L290 TraceCheckUtils]: 13: Hoare triple {7422#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7423#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:25:44,540 INFO L290 TraceCheckUtils]: 14: Hoare triple {7423#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7424#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:25:44,540 INFO L290 TraceCheckUtils]: 15: Hoare triple {7424#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7425#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:25:44,541 INFO L290 TraceCheckUtils]: 16: Hoare triple {7425#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7426#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:25:44,541 INFO L290 TraceCheckUtils]: 17: Hoare triple {7426#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7427#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:25:44,542 INFO L290 TraceCheckUtils]: 18: Hoare triple {7427#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7428#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:25:44,542 INFO L290 TraceCheckUtils]: 19: Hoare triple {7428#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7429#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} is VALID [2022-04-08 09:25:44,543 INFO L290 TraceCheckUtils]: 20: Hoare triple {7429#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7430#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} is VALID [2022-04-08 09:25:44,543 INFO L290 TraceCheckUtils]: 21: Hoare triple {7430#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7431#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} is VALID [2022-04-08 09:25:44,544 INFO L290 TraceCheckUtils]: 22: Hoare triple {7431#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7432#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} is VALID [2022-04-08 09:25:44,544 INFO L290 TraceCheckUtils]: 23: Hoare triple {7432#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7433#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} is VALID [2022-04-08 09:25:44,545 INFO L290 TraceCheckUtils]: 24: Hoare triple {7433#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7434#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} is VALID [2022-04-08 09:25:44,545 INFO L290 TraceCheckUtils]: 25: Hoare triple {7434#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7435#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} is VALID [2022-04-08 09:25:44,546 INFO L290 TraceCheckUtils]: 26: Hoare triple {7435#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7436#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} is VALID [2022-04-08 09:25:44,546 INFO L290 TraceCheckUtils]: 27: Hoare triple {7436#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7437#(and (<= (div main_~x~0 4294967296) 0) (<= 268435397 main_~x~0))} is VALID [2022-04-08 09:25:44,547 INFO L290 TraceCheckUtils]: 28: Hoare triple {7437#(and (<= (div main_~x~0 4294967296) 0) (<= 268435397 main_~x~0))} assume !(~x~0 % 4294967296 > 1); {7411#false} is VALID [2022-04-08 09:25:44,547 INFO L272 TraceCheckUtils]: 29: Hoare triple {7411#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)); {7411#false} is VALID [2022-04-08 09:25:44,547 INFO L290 TraceCheckUtils]: 30: Hoare triple {7411#false} ~cond := #in~cond; {7411#false} is VALID [2022-04-08 09:25:44,547 INFO L290 TraceCheckUtils]: 31: Hoare triple {7411#false} assume 0 == ~cond; {7411#false} is VALID [2022-04-08 09:25:44,547 INFO L290 TraceCheckUtils]: 32: Hoare triple {7411#false} assume !false; {7411#false} is VALID [2022-04-08 09:25:44,547 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:25:44,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 09:25:44,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660136690] [2022-04-08 09:25:44,548 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660136690] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-08 09:25:44,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1420927461] [2022-04-08 09:25:44,548 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-08 09:25:44,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 09:25:44,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 09:25:44,549 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) [2022-04-08 09:25:44,550 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2022-04-08 09:25:44,582 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-08 09:25:44,583 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 09:25:44,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 50 conjunts are in the unsatisfiable core [2022-04-08 09:25:44,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:25:44,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 09:25:44,843 INFO L272 TraceCheckUtils]: 0: Hoare triple {7410#true} call ULTIMATE.init(); {7410#true} is VALID [2022-04-08 09:25:44,843 INFO L290 TraceCheckUtils]: 1: Hoare triple {7410#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(13, 2);call #Ultimate.allocInit(12, 3); {7410#true} is VALID [2022-04-08 09:25:44,843 INFO L290 TraceCheckUtils]: 2: Hoare triple {7410#true} assume true; {7410#true} is VALID [2022-04-08 09:25:44,843 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {7410#true} {7410#true} #34#return; {7410#true} is VALID [2022-04-08 09:25:44,843 INFO L272 TraceCheckUtils]: 4: Hoare triple {7410#true} call #t~ret4 := main(); {7410#true} is VALID [2022-04-08 09:25:44,844 INFO L290 TraceCheckUtils]: 5: Hoare triple {7410#true} ~x~0 := 268435441; {7415#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:25:44,844 INFO L290 TraceCheckUtils]: 6: Hoare triple {7415#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7416#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:25:44,845 INFO L290 TraceCheckUtils]: 7: Hoare triple {7416#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7417#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:25:44,845 INFO L290 TraceCheckUtils]: 8: Hoare triple {7417#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7418#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:25:44,846 INFO L290 TraceCheckUtils]: 9: Hoare triple {7418#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7419#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:25:44,846 INFO L290 TraceCheckUtils]: 10: Hoare triple {7419#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7420#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:25:44,847 INFO L290 TraceCheckUtils]: 11: Hoare triple {7420#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7421#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:25:44,847 INFO L290 TraceCheckUtils]: 12: Hoare triple {7421#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7422#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:25:44,848 INFO L290 TraceCheckUtils]: 13: Hoare triple {7422#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7423#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:25:44,848 INFO L290 TraceCheckUtils]: 14: Hoare triple {7423#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7424#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:25:44,849 INFO L290 TraceCheckUtils]: 15: Hoare triple {7424#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7425#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:25:44,849 INFO L290 TraceCheckUtils]: 16: Hoare triple {7425#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7426#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:25:44,850 INFO L290 TraceCheckUtils]: 17: Hoare triple {7426#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7427#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:25:44,850 INFO L290 TraceCheckUtils]: 18: Hoare triple {7427#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7428#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:25:44,851 INFO L290 TraceCheckUtils]: 19: Hoare triple {7428#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7429#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} is VALID [2022-04-08 09:25:44,851 INFO L290 TraceCheckUtils]: 20: Hoare triple {7429#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7430#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} is VALID [2022-04-08 09:25:44,852 INFO L290 TraceCheckUtils]: 21: Hoare triple {7430#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7431#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} is VALID [2022-04-08 09:25:44,852 INFO L290 TraceCheckUtils]: 22: Hoare triple {7431#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7432#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} is VALID [2022-04-08 09:25:44,853 INFO L290 TraceCheckUtils]: 23: Hoare triple {7432#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7433#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} is VALID [2022-04-08 09:25:44,853 INFO L290 TraceCheckUtils]: 24: Hoare triple {7433#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7434#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} is VALID [2022-04-08 09:25:44,854 INFO L290 TraceCheckUtils]: 25: Hoare triple {7434#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7435#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} is VALID [2022-04-08 09:25:44,854 INFO L290 TraceCheckUtils]: 26: Hoare triple {7435#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7436#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} is VALID [2022-04-08 09:25:44,855 INFO L290 TraceCheckUtils]: 27: Hoare triple {7436#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7523#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} is VALID [2022-04-08 09:25:44,855 INFO L290 TraceCheckUtils]: 28: Hoare triple {7523#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} assume !(~x~0 % 4294967296 > 1); {7411#false} is VALID [2022-04-08 09:25:44,856 INFO L272 TraceCheckUtils]: 29: Hoare triple {7411#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)); {7411#false} is VALID [2022-04-08 09:25:44,856 INFO L290 TraceCheckUtils]: 30: Hoare triple {7411#false} ~cond := #in~cond; {7411#false} is VALID [2022-04-08 09:25:44,856 INFO L290 TraceCheckUtils]: 31: Hoare triple {7411#false} assume 0 == ~cond; {7411#false} is VALID [2022-04-08 09:25:44,856 INFO L290 TraceCheckUtils]: 32: Hoare triple {7411#false} assume !false; {7411#false} is VALID [2022-04-08 09:25:44,856 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:25:44,856 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 09:25:46,187 INFO L290 TraceCheckUtils]: 32: Hoare triple {7411#false} assume !false; {7411#false} is VALID [2022-04-08 09:25:46,188 INFO L290 TraceCheckUtils]: 31: Hoare triple {7542#(not (<= __VERIFIER_assert_~cond 0))} assume 0 == ~cond; {7411#false} is VALID [2022-04-08 09:25:46,188 INFO L290 TraceCheckUtils]: 30: Hoare triple {7546#(< 0 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {7542#(not (<= __VERIFIER_assert_~cond 0))} is VALID [2022-04-08 09:25:46,189 INFO L272 TraceCheckUtils]: 29: Hoare triple {7550#(= (mod main_~x~0 2) 0)} 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)); {7546#(< 0 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-08 09:25:46,190 INFO L290 TraceCheckUtils]: 28: Hoare triple {7554#(or (< 1 (mod main_~x~0 4294967296)) (= (mod main_~x~0 2) 0))} assume !(~x~0 % 4294967296 > 1); {7550#(= (mod main_~x~0 2) 0)} is VALID [2022-04-08 09:25:46,191 INFO L290 TraceCheckUtils]: 27: Hoare triple {7558#(or (< 1 (mod (+ main_~x~0 4294967294) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7554#(or (< 1 (mod main_~x~0 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:46,193 INFO L290 TraceCheckUtils]: 26: Hoare triple {7562#(or (< 1 (mod (+ 4294967292 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7558#(or (< 1 (mod (+ main_~x~0 4294967294) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:46,194 INFO L290 TraceCheckUtils]: 25: Hoare triple {7566#(or (< 1 (mod (+ 4294967290 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7562#(or (< 1 (mod (+ 4294967292 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:46,195 INFO L290 TraceCheckUtils]: 24: Hoare triple {7570#(or (< 1 (mod (+ 4294967288 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7566#(or (< 1 (mod (+ 4294967290 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:46,196 INFO L290 TraceCheckUtils]: 23: Hoare triple {7574#(or (< 1 (mod (+ main_~x~0 4294967286) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7570#(or (< 1 (mod (+ 4294967288 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:46,196 INFO L290 TraceCheckUtils]: 22: Hoare triple {7578#(or (< 1 (mod (+ main_~x~0 4294967284) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7574#(or (< 1 (mod (+ main_~x~0 4294967286) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:46,197 INFO L290 TraceCheckUtils]: 21: Hoare triple {7582#(or (< 1 (mod (+ 4294967282 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7578#(or (< 1 (mod (+ main_~x~0 4294967284) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:46,198 INFO L290 TraceCheckUtils]: 20: Hoare triple {7586#(or (< 1 (mod (+ main_~x~0 4294967280) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7582#(or (< 1 (mod (+ 4294967282 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:46,199 INFO L290 TraceCheckUtils]: 19: Hoare triple {7590#(or (< 1 (mod (+ main_~x~0 4294967278) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7586#(or (< 1 (mod (+ main_~x~0 4294967280) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:46,200 INFO L290 TraceCheckUtils]: 18: Hoare triple {7594#(or (< 1 (mod (+ 4294967276 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7590#(or (< 1 (mod (+ main_~x~0 4294967278) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:46,201 INFO L290 TraceCheckUtils]: 17: Hoare triple {7598#(or (< 1 (mod (+ 4294967274 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7594#(or (< 1 (mod (+ 4294967276 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:46,202 INFO L290 TraceCheckUtils]: 16: Hoare triple {7602#(or (< 1 (mod (+ 4294967272 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7598#(or (< 1 (mod (+ 4294967274 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:46,203 INFO L290 TraceCheckUtils]: 15: Hoare triple {7606#(or (< 1 (mod (+ main_~x~0 4294967270) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7602#(or (< 1 (mod (+ 4294967272 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:46,207 INFO L290 TraceCheckUtils]: 14: Hoare triple {7610#(or (< 1 (mod (+ main_~x~0 4294967268) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7606#(or (< 1 (mod (+ main_~x~0 4294967270) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:46,208 INFO L290 TraceCheckUtils]: 13: Hoare triple {7614#(or (< 1 (mod (+ main_~x~0 4294967266) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7610#(or (< 1 (mod (+ main_~x~0 4294967268) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:46,209 INFO L290 TraceCheckUtils]: 12: Hoare triple {7618#(or (< 1 (mod (+ main_~x~0 4294967264) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7614#(or (< 1 (mod (+ main_~x~0 4294967266) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:46,210 INFO L290 TraceCheckUtils]: 11: Hoare triple {7622#(or (< 1 (mod (+ main_~x~0 4294967262) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7618#(or (< 1 (mod (+ main_~x~0 4294967264) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:46,212 INFO L290 TraceCheckUtils]: 10: Hoare triple {7626#(or (< 1 (mod (+ 4294967260 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7622#(or (< 1 (mod (+ main_~x~0 4294967262) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:46,212 INFO L290 TraceCheckUtils]: 9: Hoare triple {7630#(or (< 1 (mod (+ main_~x~0 4294967258) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7626#(or (< 1 (mod (+ 4294967260 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:46,213 INFO L290 TraceCheckUtils]: 8: Hoare triple {7634#(or (< 1 (mod (+ main_~x~0 4294967256) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7630#(or (< 1 (mod (+ main_~x~0 4294967258) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:46,214 INFO L290 TraceCheckUtils]: 7: Hoare triple {7638#(or (< 1 (mod (+ 4294967254 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7634#(or (< 1 (mod (+ main_~x~0 4294967256) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:46,215 INFO L290 TraceCheckUtils]: 6: Hoare triple {7642#(or (< 1 (mod (+ main_~x~0 4294967252) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7638#(or (< 1 (mod (+ 4294967254 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:46,216 INFO L290 TraceCheckUtils]: 5: Hoare triple {7410#true} ~x~0 := 268435441; {7642#(or (< 1 (mod (+ main_~x~0 4294967252) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:46,216 INFO L272 TraceCheckUtils]: 4: Hoare triple {7410#true} call #t~ret4 := main(); {7410#true} is VALID [2022-04-08 09:25:46,216 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {7410#true} {7410#true} #34#return; {7410#true} is VALID [2022-04-08 09:25:46,216 INFO L290 TraceCheckUtils]: 2: Hoare triple {7410#true} assume true; {7410#true} is VALID [2022-04-08 09:25:46,216 INFO L290 TraceCheckUtils]: 1: Hoare triple {7410#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(13, 2);call #Ultimate.allocInit(12, 3); {7410#true} is VALID [2022-04-08 09:25:46,216 INFO L272 TraceCheckUtils]: 0: Hoare triple {7410#true} call ULTIMATE.init(); {7410#true} is VALID [2022-04-08 09:25:46,216 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:25:46,217 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1420927461] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-08 09:25:46,217 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-08 09:25:46,217 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 25, 28] total 53 [2022-04-08 09:25:46,217 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 09:25:46,217 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1484120299] [2022-04-08 09:25:46,217 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1484120299] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 09:25:46,217 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 09:25:46,217 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-04-08 09:25:46,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321976231] [2022-04-08 09:25:46,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 09:25:46,218 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 1.1153846153846154) internal successors, (29), 25 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 [2022-04-08 09:25:46,218 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 09:25:46,218 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 26 states, 26 states have (on average 1.1153846153846154) internal successors, (29), 25 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) [2022-04-08 09:25:46,238 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 33 edges. 33 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:25:46,238 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-04-08 09:25:46,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 09:25:46,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-04-08 09:25:46,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=701, Invalid=2055, Unknown=0, NotChecked=0, Total=2756 [2022-04-08 09:25:46,239 INFO L87 Difference]: Start difference. First operand 34 states and 34 transitions. Second operand has 26 states, 26 states have (on average 1.1153846153846154) internal successors, (29), 25 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) [2022-04-08 09:25:47,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:25:47,549 INFO L93 Difference]: Finished difference Result 40 states and 40 transitions. [2022-04-08 09:25:47,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-04-08 09:25:47,550 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 1.1153846153846154) internal successors, (29), 25 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 [2022-04-08 09:25:47,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 09:25:47,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 26 states have (on average 1.1153846153846154) internal successors, (29), 25 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) [2022-04-08 09:25:47,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 40 transitions. [2022-04-08 09:25:47,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 26 states have (on average 1.1153846153846154) internal successors, (29), 25 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) [2022-04-08 09:25:47,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 40 transitions. [2022-04-08 09:25:47,552 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 26 states and 40 transitions. [2022-04-08 09:25:47,578 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 40 edges. 40 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:25:47,579 INFO L225 Difference]: With dead ends: 40 [2022-04-08 09:25:47,579 INFO L226 Difference]: Without dead ends: 35 [2022-04-08 09:25:47,580 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 41 SyntacticMatches, 1 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 308 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=1366, Invalid=4334, Unknown=0, NotChecked=0, Total=5700 [2022-04-08 09:25:47,580 INFO L913 BasicCegarLoop]: 11 mSDtfsCounter, 6 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 618 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 665 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 618 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-04-08 09:25:47,581 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 123 Invalid, 665 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 618 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-04-08 09:25:47,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2022-04-08 09:25:47,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2022-04-08 09:25:47,625 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 09:25:47,625 INFO L82 GeneralOperation]: Start isEquivalent. First operand 35 states. Second operand has 35 states, 30 states have (on average 1.0333333333333334) internal successors, (31), 30 states have internal predecessors, (31), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:47,625 INFO L74 IsIncluded]: Start isIncluded. First operand 35 states. Second operand has 35 states, 30 states have (on average 1.0333333333333334) internal successors, (31), 30 states have internal predecessors, (31), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:47,625 INFO L87 Difference]: Start difference. First operand 35 states. Second operand has 35 states, 30 states have (on average 1.0333333333333334) internal successors, (31), 30 states have internal predecessors, (31), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:47,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:25:47,626 INFO L93 Difference]: Finished difference Result 35 states and 35 transitions. [2022-04-08 09:25:47,626 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 35 transitions. [2022-04-08 09:25:47,626 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:25:47,626 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:25:47,626 INFO L74 IsIncluded]: Start isIncluded. First operand has 35 states, 30 states have (on average 1.0333333333333334) internal successors, (31), 30 states have internal predecessors, (31), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 35 states. [2022-04-08 09:25:47,626 INFO L87 Difference]: Start difference. First operand has 35 states, 30 states have (on average 1.0333333333333334) internal successors, (31), 30 states have internal predecessors, (31), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 35 states. [2022-04-08 09:25:47,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:25:47,627 INFO L93 Difference]: Finished difference Result 35 states and 35 transitions. [2022-04-08 09:25:47,627 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 35 transitions. [2022-04-08 09:25:47,627 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:25:47,627 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:25:47,627 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 09:25:47,627 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 09:25:47,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 30 states have (on average 1.0333333333333334) internal successors, (31), 30 states have internal predecessors, (31), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:47,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 35 transitions. [2022-04-08 09:25:47,628 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 35 transitions. Word has length 33 [2022-04-08 09:25:47,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 09:25:47,628 INFO L478 AbstractCegarLoop]: Abstraction has 35 states and 35 transitions. [2022-04-08 09:25:47,628 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 1.1153846153846154) internal successors, (29), 25 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) [2022-04-08 09:25:47,628 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 35 states and 35 transitions. [2022-04-08 09:25:47,655 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 35 edges. 35 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:25:47,655 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 35 transitions. [2022-04-08 09:25:47,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-04-08 09:25:47,656 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 09:25:47,656 INFO L499 BasicCegarLoop]: trace histogram [23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 09:25:47,671 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2022-04-08 09:25:47,856 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 09:25:47,856 INFO L403 AbstractCegarLoop]: === Iteration 25 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 09:25:47,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 09:25:47,857 INFO L85 PathProgramCache]: Analyzing trace with hash 335453878, now seen corresponding path program 45 times [2022-04-08 09:25:47,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 09:25:47,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [527164603] [2022-04-08 09:25:47,859 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-08 09:25:47,859 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-08 09:25:47,859 INFO L85 PathProgramCache]: Analyzing trace with hash 335453878, now seen corresponding path program 46 times [2022-04-08 09:25:47,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 09:25:47,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133668369] [2022-04-08 09:25:47,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 09:25:47,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 09:25:47,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:25:48,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-08 09:25:48,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:25:48,290 INFO L290 TraceCheckUtils]: 0: Hoare triple {7958#(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(13, 2);call #Ultimate.allocInit(12, 3); {7929#true} is VALID [2022-04-08 09:25:48,290 INFO L290 TraceCheckUtils]: 1: Hoare triple {7929#true} assume true; {7929#true} is VALID [2022-04-08 09:25:48,290 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {7929#true} {7929#true} #34#return; {7929#true} is VALID [2022-04-08 09:25:48,291 INFO L272 TraceCheckUtils]: 0: Hoare triple {7929#true} call ULTIMATE.init(); {7958#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-08 09:25:48,291 INFO L290 TraceCheckUtils]: 1: Hoare triple {7958#(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(13, 2);call #Ultimate.allocInit(12, 3); {7929#true} is VALID [2022-04-08 09:25:48,291 INFO L290 TraceCheckUtils]: 2: Hoare triple {7929#true} assume true; {7929#true} is VALID [2022-04-08 09:25:48,291 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {7929#true} {7929#true} #34#return; {7929#true} is VALID [2022-04-08 09:25:48,291 INFO L272 TraceCheckUtils]: 4: Hoare triple {7929#true} call #t~ret4 := main(); {7929#true} is VALID [2022-04-08 09:25:48,292 INFO L290 TraceCheckUtils]: 5: Hoare triple {7929#true} ~x~0 := 268435441; {7934#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:25:48,292 INFO L290 TraceCheckUtils]: 6: Hoare triple {7934#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7935#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:25:48,293 INFO L290 TraceCheckUtils]: 7: Hoare triple {7935#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7936#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:25:48,293 INFO L290 TraceCheckUtils]: 8: Hoare triple {7936#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7937#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:25:48,294 INFO L290 TraceCheckUtils]: 9: Hoare triple {7937#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7938#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:25:48,294 INFO L290 TraceCheckUtils]: 10: Hoare triple {7938#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7939#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:25:48,295 INFO L290 TraceCheckUtils]: 11: Hoare triple {7939#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7940#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:25:48,295 INFO L290 TraceCheckUtils]: 12: Hoare triple {7940#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7941#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:25:48,296 INFO L290 TraceCheckUtils]: 13: Hoare triple {7941#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7942#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:25:48,296 INFO L290 TraceCheckUtils]: 14: Hoare triple {7942#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7943#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:25:48,297 INFO L290 TraceCheckUtils]: 15: Hoare triple {7943#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7944#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:25:48,297 INFO L290 TraceCheckUtils]: 16: Hoare triple {7944#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7945#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:25:48,298 INFO L290 TraceCheckUtils]: 17: Hoare triple {7945#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7946#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:25:48,298 INFO L290 TraceCheckUtils]: 18: Hoare triple {7946#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7947#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:25:48,299 INFO L290 TraceCheckUtils]: 19: Hoare triple {7947#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7948#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} is VALID [2022-04-08 09:25:48,299 INFO L290 TraceCheckUtils]: 20: Hoare triple {7948#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7949#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} is VALID [2022-04-08 09:25:48,300 INFO L290 TraceCheckUtils]: 21: Hoare triple {7949#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7950#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} is VALID [2022-04-08 09:25:48,300 INFO L290 TraceCheckUtils]: 22: Hoare triple {7950#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7951#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} is VALID [2022-04-08 09:25:48,301 INFO L290 TraceCheckUtils]: 23: Hoare triple {7951#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7952#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} is VALID [2022-04-08 09:25:48,301 INFO L290 TraceCheckUtils]: 24: Hoare triple {7952#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7953#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} is VALID [2022-04-08 09:25:48,302 INFO L290 TraceCheckUtils]: 25: Hoare triple {7953#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7954#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} is VALID [2022-04-08 09:25:48,302 INFO L290 TraceCheckUtils]: 26: Hoare triple {7954#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7955#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} is VALID [2022-04-08 09:25:48,303 INFO L290 TraceCheckUtils]: 27: Hoare triple {7955#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7956#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} is VALID [2022-04-08 09:25:48,303 INFO L290 TraceCheckUtils]: 28: Hoare triple {7956#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7957#(and (<= (div main_~x~0 4294967296) 0) (<= 268435395 main_~x~0))} is VALID [2022-04-08 09:25:48,304 INFO L290 TraceCheckUtils]: 29: Hoare triple {7957#(and (<= (div main_~x~0 4294967296) 0) (<= 268435395 main_~x~0))} assume !(~x~0 % 4294967296 > 1); {7930#false} is VALID [2022-04-08 09:25:48,304 INFO L272 TraceCheckUtils]: 30: Hoare triple {7930#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)); {7930#false} is VALID [2022-04-08 09:25:48,304 INFO L290 TraceCheckUtils]: 31: Hoare triple {7930#false} ~cond := #in~cond; {7930#false} is VALID [2022-04-08 09:25:48,304 INFO L290 TraceCheckUtils]: 32: Hoare triple {7930#false} assume 0 == ~cond; {7930#false} is VALID [2022-04-08 09:25:48,304 INFO L290 TraceCheckUtils]: 33: Hoare triple {7930#false} assume !false; {7930#false} is VALID [2022-04-08 09:25:48,305 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:25:48,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 09:25:48,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133668369] [2022-04-08 09:25:48,305 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2133668369] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-08 09:25:48,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [841169881] [2022-04-08 09:25:48,305 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-08 09:25:48,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 09:25:48,305 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 09:25:48,306 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) [2022-04-08 09:25:48,307 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2022-04-08 09:25:48,371 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-08 09:25:48,371 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 09:25:48,372 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 49 conjunts are in the unsatisfiable core [2022-04-08 09:25:48,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:25:48,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 09:25:48,726 INFO L272 TraceCheckUtils]: 0: Hoare triple {7929#true} call ULTIMATE.init(); {7929#true} is VALID [2022-04-08 09:25:48,726 INFO L290 TraceCheckUtils]: 1: Hoare triple {7929#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(13, 2);call #Ultimate.allocInit(12, 3); {7929#true} is VALID [2022-04-08 09:25:48,726 INFO L290 TraceCheckUtils]: 2: Hoare triple {7929#true} assume true; {7929#true} is VALID [2022-04-08 09:25:48,726 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {7929#true} {7929#true} #34#return; {7929#true} is VALID [2022-04-08 09:25:48,726 INFO L272 TraceCheckUtils]: 4: Hoare triple {7929#true} call #t~ret4 := main(); {7929#true} is VALID [2022-04-08 09:25:48,727 INFO L290 TraceCheckUtils]: 5: Hoare triple {7929#true} ~x~0 := 268435441; {7934#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:25:48,727 INFO L290 TraceCheckUtils]: 6: Hoare triple {7934#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7935#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:25:48,728 INFO L290 TraceCheckUtils]: 7: Hoare triple {7935#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7936#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:25:48,728 INFO L290 TraceCheckUtils]: 8: Hoare triple {7936#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7937#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:25:48,729 INFO L290 TraceCheckUtils]: 9: Hoare triple {7937#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7938#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:25:48,729 INFO L290 TraceCheckUtils]: 10: Hoare triple {7938#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7939#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:25:48,730 INFO L290 TraceCheckUtils]: 11: Hoare triple {7939#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7940#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:25:48,730 INFO L290 TraceCheckUtils]: 12: Hoare triple {7940#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7941#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:25:48,731 INFO L290 TraceCheckUtils]: 13: Hoare triple {7941#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7942#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:25:48,731 INFO L290 TraceCheckUtils]: 14: Hoare triple {7942#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7943#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:25:48,732 INFO L290 TraceCheckUtils]: 15: Hoare triple {7943#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7944#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:25:48,732 INFO L290 TraceCheckUtils]: 16: Hoare triple {7944#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7945#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:25:48,733 INFO L290 TraceCheckUtils]: 17: Hoare triple {7945#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7946#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:25:48,733 INFO L290 TraceCheckUtils]: 18: Hoare triple {7946#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7947#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:25:48,734 INFO L290 TraceCheckUtils]: 19: Hoare triple {7947#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7948#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} is VALID [2022-04-08 09:25:48,734 INFO L290 TraceCheckUtils]: 20: Hoare triple {7948#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7949#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} is VALID [2022-04-08 09:25:48,735 INFO L290 TraceCheckUtils]: 21: Hoare triple {7949#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7950#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} is VALID [2022-04-08 09:25:48,735 INFO L290 TraceCheckUtils]: 22: Hoare triple {7950#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7951#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} is VALID [2022-04-08 09:25:48,736 INFO L290 TraceCheckUtils]: 23: Hoare triple {7951#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7952#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} is VALID [2022-04-08 09:25:48,736 INFO L290 TraceCheckUtils]: 24: Hoare triple {7952#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7953#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} is VALID [2022-04-08 09:25:48,737 INFO L290 TraceCheckUtils]: 25: Hoare triple {7953#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7954#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} is VALID [2022-04-08 09:25:48,737 INFO L290 TraceCheckUtils]: 26: Hoare triple {7954#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7955#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} is VALID [2022-04-08 09:25:48,738 INFO L290 TraceCheckUtils]: 27: Hoare triple {7955#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {7956#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} is VALID [2022-04-08 09:25:48,738 INFO L290 TraceCheckUtils]: 28: Hoare triple {7956#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8046#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} is VALID [2022-04-08 09:25:48,739 INFO L290 TraceCheckUtils]: 29: Hoare triple {8046#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} assume !(~x~0 % 4294967296 > 1); {7930#false} is VALID [2022-04-08 09:25:48,739 INFO L272 TraceCheckUtils]: 30: Hoare triple {7930#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)); {7930#false} is VALID [2022-04-08 09:25:48,739 INFO L290 TraceCheckUtils]: 31: Hoare triple {7930#false} ~cond := #in~cond; {7930#false} is VALID [2022-04-08 09:25:48,739 INFO L290 TraceCheckUtils]: 32: Hoare triple {7930#false} assume 0 == ~cond; {7930#false} is VALID [2022-04-08 09:25:48,739 INFO L290 TraceCheckUtils]: 33: Hoare triple {7930#false} assume !false; {7930#false} is VALID [2022-04-08 09:25:48,740 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:25:48,740 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 09:25:49,707 INFO L290 TraceCheckUtils]: 33: Hoare triple {7930#false} assume !false; {7930#false} is VALID [2022-04-08 09:25:49,707 INFO L290 TraceCheckUtils]: 32: Hoare triple {7930#false} assume 0 == ~cond; {7930#false} is VALID [2022-04-08 09:25:49,707 INFO L290 TraceCheckUtils]: 31: Hoare triple {7930#false} ~cond := #in~cond; {7930#false} is VALID [2022-04-08 09:25:49,708 INFO L272 TraceCheckUtils]: 30: Hoare triple {7930#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)); {7930#false} is VALID [2022-04-08 09:25:49,708 INFO L290 TraceCheckUtils]: 29: Hoare triple {8074#(< 1 (mod main_~x~0 4294967296))} assume !(~x~0 % 4294967296 > 1); {7930#false} is VALID [2022-04-08 09:25:49,709 INFO L290 TraceCheckUtils]: 28: Hoare triple {8078#(< 1 (mod (+ main_~x~0 4294967294) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8074#(< 1 (mod main_~x~0 4294967296))} is VALID [2022-04-08 09:25:49,709 INFO L290 TraceCheckUtils]: 27: Hoare triple {8082#(< 1 (mod (+ 4294967292 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8078#(< 1 (mod (+ main_~x~0 4294967294) 4294967296))} is VALID [2022-04-08 09:25:49,710 INFO L290 TraceCheckUtils]: 26: Hoare triple {8086#(< 1 (mod (+ 4294967290 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8082#(< 1 (mod (+ 4294967292 main_~x~0) 4294967296))} is VALID [2022-04-08 09:25:49,713 INFO L290 TraceCheckUtils]: 25: Hoare triple {8090#(< 1 (mod (+ 4294967288 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8086#(< 1 (mod (+ 4294967290 main_~x~0) 4294967296))} is VALID [2022-04-08 09:25:49,714 INFO L290 TraceCheckUtils]: 24: Hoare triple {8094#(< 1 (mod (+ main_~x~0 4294967286) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8090#(< 1 (mod (+ 4294967288 main_~x~0) 4294967296))} is VALID [2022-04-08 09:25:49,714 INFO L290 TraceCheckUtils]: 23: Hoare triple {8098#(< 1 (mod (+ main_~x~0 4294967284) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8094#(< 1 (mod (+ main_~x~0 4294967286) 4294967296))} is VALID [2022-04-08 09:25:49,715 INFO L290 TraceCheckUtils]: 22: Hoare triple {8102#(< 1 (mod (+ 4294967282 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8098#(< 1 (mod (+ main_~x~0 4294967284) 4294967296))} is VALID [2022-04-08 09:25:49,716 INFO L290 TraceCheckUtils]: 21: Hoare triple {8106#(< 1 (mod (+ main_~x~0 4294967280) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8102#(< 1 (mod (+ 4294967282 main_~x~0) 4294967296))} is VALID [2022-04-08 09:25:49,716 INFO L290 TraceCheckUtils]: 20: Hoare triple {8110#(< 1 (mod (+ main_~x~0 4294967278) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8106#(< 1 (mod (+ main_~x~0 4294967280) 4294967296))} is VALID [2022-04-08 09:25:49,717 INFO L290 TraceCheckUtils]: 19: Hoare triple {8114#(< 1 (mod (+ 4294967276 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8110#(< 1 (mod (+ main_~x~0 4294967278) 4294967296))} is VALID [2022-04-08 09:25:49,717 INFO L290 TraceCheckUtils]: 18: Hoare triple {8118#(< 1 (mod (+ 4294967274 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8114#(< 1 (mod (+ 4294967276 main_~x~0) 4294967296))} is VALID [2022-04-08 09:25:49,718 INFO L290 TraceCheckUtils]: 17: Hoare triple {8122#(< 1 (mod (+ 4294967272 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8118#(< 1 (mod (+ 4294967274 main_~x~0) 4294967296))} is VALID [2022-04-08 09:25:49,719 INFO L290 TraceCheckUtils]: 16: Hoare triple {8126#(< 1 (mod (+ main_~x~0 4294967270) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8122#(< 1 (mod (+ 4294967272 main_~x~0) 4294967296))} is VALID [2022-04-08 09:25:49,719 INFO L290 TraceCheckUtils]: 15: Hoare triple {8130#(< 1 (mod (+ main_~x~0 4294967268) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8126#(< 1 (mod (+ main_~x~0 4294967270) 4294967296))} is VALID [2022-04-08 09:25:49,720 INFO L290 TraceCheckUtils]: 14: Hoare triple {8134#(< 1 (mod (+ main_~x~0 4294967266) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8130#(< 1 (mod (+ main_~x~0 4294967268) 4294967296))} is VALID [2022-04-08 09:25:49,721 INFO L290 TraceCheckUtils]: 13: Hoare triple {8138#(< 1 (mod (+ main_~x~0 4294967264) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8134#(< 1 (mod (+ main_~x~0 4294967266) 4294967296))} is VALID [2022-04-08 09:25:49,722 INFO L290 TraceCheckUtils]: 12: Hoare triple {8142#(< 1 (mod (+ main_~x~0 4294967262) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8138#(< 1 (mod (+ main_~x~0 4294967264) 4294967296))} is VALID [2022-04-08 09:25:49,723 INFO L290 TraceCheckUtils]: 11: Hoare triple {8146#(< 1 (mod (+ 4294967260 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8142#(< 1 (mod (+ main_~x~0 4294967262) 4294967296))} is VALID [2022-04-08 09:25:49,723 INFO L290 TraceCheckUtils]: 10: Hoare triple {8150#(< 1 (mod (+ main_~x~0 4294967258) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8146#(< 1 (mod (+ 4294967260 main_~x~0) 4294967296))} is VALID [2022-04-08 09:25:49,724 INFO L290 TraceCheckUtils]: 9: Hoare triple {8154#(< 1 (mod (+ main_~x~0 4294967256) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8150#(< 1 (mod (+ main_~x~0 4294967258) 4294967296))} is VALID [2022-04-08 09:25:49,725 INFO L290 TraceCheckUtils]: 8: Hoare triple {8158#(< 1 (mod (+ 4294967254 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8154#(< 1 (mod (+ main_~x~0 4294967256) 4294967296))} is VALID [2022-04-08 09:25:49,725 INFO L290 TraceCheckUtils]: 7: Hoare triple {8162#(< 1 (mod (+ main_~x~0 4294967252) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8158#(< 1 (mod (+ 4294967254 main_~x~0) 4294967296))} is VALID [2022-04-08 09:25:49,726 INFO L290 TraceCheckUtils]: 6: Hoare triple {8166#(< 1 (mod (+ 4294967250 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8162#(< 1 (mod (+ main_~x~0 4294967252) 4294967296))} is VALID [2022-04-08 09:25:49,726 INFO L290 TraceCheckUtils]: 5: Hoare triple {7929#true} ~x~0 := 268435441; {8166#(< 1 (mod (+ 4294967250 main_~x~0) 4294967296))} is VALID [2022-04-08 09:25:49,726 INFO L272 TraceCheckUtils]: 4: Hoare triple {7929#true} call #t~ret4 := main(); {7929#true} is VALID [2022-04-08 09:25:49,727 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {7929#true} {7929#true} #34#return; {7929#true} is VALID [2022-04-08 09:25:49,727 INFO L290 TraceCheckUtils]: 2: Hoare triple {7929#true} assume true; {7929#true} is VALID [2022-04-08 09:25:49,727 INFO L290 TraceCheckUtils]: 1: Hoare triple {7929#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(13, 2);call #Ultimate.allocInit(12, 3); {7929#true} is VALID [2022-04-08 09:25:49,727 INFO L272 TraceCheckUtils]: 0: Hoare triple {7929#true} call ULTIMATE.init(); {7929#true} is VALID [2022-04-08 09:25:49,727 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:25:49,727 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [841169881] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-08 09:25:49,727 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-08 09:25:49,728 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 26, 26] total 52 [2022-04-08 09:25:49,728 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 09:25:49,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [527164603] [2022-04-08 09:25:49,728 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [527164603] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 09:25:49,728 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 09:25:49,728 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-04-08 09:25:49,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266827062] [2022-04-08 09:25:49,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 09:25:49,729 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 1.1111111111111112) internal successors, (30), 26 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 [2022-04-08 09:25:49,729 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 09:25:49,729 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 27 states, 27 states have (on average 1.1111111111111112) internal successors, (30), 26 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) [2022-04-08 09:25:49,749 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 34 edges. 34 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:25:49,749 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-04-08 09:25:49,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 09:25:49,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-04-08 09:25:49,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=725, Invalid=1927, Unknown=0, NotChecked=0, Total=2652 [2022-04-08 09:25:49,750 INFO L87 Difference]: Start difference. First operand 35 states and 35 transitions. Second operand has 27 states, 27 states have (on average 1.1111111111111112) internal successors, (30), 26 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) [2022-04-08 09:25:51,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:25:51,157 INFO L93 Difference]: Finished difference Result 41 states and 41 transitions. [2022-04-08 09:25:51,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-04-08 09:25:51,158 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 1.1111111111111112) internal successors, (30), 26 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 [2022-04-08 09:25:51,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 09:25:51,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 27 states have (on average 1.1111111111111112) internal successors, (30), 26 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) [2022-04-08 09:25:51,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 41 transitions. [2022-04-08 09:25:51,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 27 states have (on average 1.1111111111111112) internal successors, (30), 26 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) [2022-04-08 09:25:51,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 41 transitions. [2022-04-08 09:25:51,160 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 27 states and 41 transitions. [2022-04-08 09:25:51,187 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 41 edges. 41 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:25:51,188 INFO L225 Difference]: With dead ends: 41 [2022-04-08 09:25:51,188 INFO L226 Difference]: Without dead ends: 36 [2022-04-08 09:25:51,188 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 45 SyntacticMatches, 1 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 327 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=1443, Invalid=4257, Unknown=0, NotChecked=0, Total=5700 [2022-04-08 09:25:51,189 INFO L913 BasicCegarLoop]: 11 mSDtfsCounter, 6 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 659 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 708 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 659 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-04-08 09:25:51,189 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 118 Invalid, 708 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 659 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-04-08 09:25:51,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2022-04-08 09:25:51,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2022-04-08 09:25:51,233 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 09:25:51,233 INFO L82 GeneralOperation]: Start isEquivalent. First operand 36 states. Second operand has 36 states, 31 states have (on average 1.032258064516129) internal successors, (32), 31 states have internal predecessors, (32), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:51,233 INFO L74 IsIncluded]: Start isIncluded. First operand 36 states. Second operand has 36 states, 31 states have (on average 1.032258064516129) internal successors, (32), 31 states have internal predecessors, (32), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:51,234 INFO L87 Difference]: Start difference. First operand 36 states. Second operand has 36 states, 31 states have (on average 1.032258064516129) internal successors, (32), 31 states have internal predecessors, (32), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:51,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:25:51,234 INFO L93 Difference]: Finished difference Result 36 states and 36 transitions. [2022-04-08 09:25:51,235 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 36 transitions. [2022-04-08 09:25:51,235 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:25:51,235 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:25:51,235 INFO L74 IsIncluded]: Start isIncluded. First operand has 36 states, 31 states have (on average 1.032258064516129) internal successors, (32), 31 states have internal predecessors, (32), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 36 states. [2022-04-08 09:25:51,235 INFO L87 Difference]: Start difference. First operand has 36 states, 31 states have (on average 1.032258064516129) internal successors, (32), 31 states have internal predecessors, (32), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 36 states. [2022-04-08 09:25:51,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:25:51,236 INFO L93 Difference]: Finished difference Result 36 states and 36 transitions. [2022-04-08 09:25:51,236 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 36 transitions. [2022-04-08 09:25:51,236 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:25:51,236 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:25:51,236 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 09:25:51,237 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 09:25:51,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 31 states have (on average 1.032258064516129) internal successors, (32), 31 states have internal predecessors, (32), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:51,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 36 transitions. [2022-04-08 09:25:51,237 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 36 transitions. Word has length 34 [2022-04-08 09:25:51,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 09:25:51,238 INFO L478 AbstractCegarLoop]: Abstraction has 36 states and 36 transitions. [2022-04-08 09:25:51,238 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 1.1111111111111112) internal successors, (30), 26 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) [2022-04-08 09:25:51,238 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 36 states and 36 transitions. [2022-04-08 09:25:51,276 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 36 edges. 36 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:25:51,276 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 36 transitions. [2022-04-08 09:25:51,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-04-08 09:25:51,276 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 09:25:51,276 INFO L499 BasicCegarLoop]: trace histogram [24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 09:25:51,293 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2022-04-08 09:25:51,477 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 09:25:51,477 INFO L403 AbstractCegarLoop]: === Iteration 26 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 09:25:51,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 09:25:51,477 INFO L85 PathProgramCache]: Analyzing trace with hash 1845596892, now seen corresponding path program 47 times [2022-04-08 09:25:51,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 09:25:51,478 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1473310944] [2022-04-08 09:25:51,480 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-08 09:25:51,480 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-08 09:25:51,480 INFO L85 PathProgramCache]: Analyzing trace with hash 1845596892, now seen corresponding path program 48 times [2022-04-08 09:25:51,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 09:25:51,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505052165] [2022-04-08 09:25:51,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 09:25:51,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 09:25:51,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:25:51,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-08 09:25:51,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:25:51,978 INFO L290 TraceCheckUtils]: 0: Hoare triple {8491#(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(13, 2);call #Ultimate.allocInit(12, 3); {8461#true} is VALID [2022-04-08 09:25:51,979 INFO L290 TraceCheckUtils]: 1: Hoare triple {8461#true} assume true; {8461#true} is VALID [2022-04-08 09:25:51,979 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {8461#true} {8461#true} #34#return; {8461#true} is VALID [2022-04-08 09:25:51,979 INFO L272 TraceCheckUtils]: 0: Hoare triple {8461#true} call ULTIMATE.init(); {8491#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-08 09:25:51,979 INFO L290 TraceCheckUtils]: 1: Hoare triple {8491#(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(13, 2);call #Ultimate.allocInit(12, 3); {8461#true} is VALID [2022-04-08 09:25:51,979 INFO L290 TraceCheckUtils]: 2: Hoare triple {8461#true} assume true; {8461#true} is VALID [2022-04-08 09:25:51,980 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {8461#true} {8461#true} #34#return; {8461#true} is VALID [2022-04-08 09:25:51,980 INFO L272 TraceCheckUtils]: 4: Hoare triple {8461#true} call #t~ret4 := main(); {8461#true} is VALID [2022-04-08 09:25:51,980 INFO L290 TraceCheckUtils]: 5: Hoare triple {8461#true} ~x~0 := 268435441; {8466#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:25:51,981 INFO L290 TraceCheckUtils]: 6: Hoare triple {8466#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8467#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:25:51,981 INFO L290 TraceCheckUtils]: 7: Hoare triple {8467#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8468#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:25:51,982 INFO L290 TraceCheckUtils]: 8: Hoare triple {8468#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8469#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:25:51,982 INFO L290 TraceCheckUtils]: 9: Hoare triple {8469#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8470#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:25:51,983 INFO L290 TraceCheckUtils]: 10: Hoare triple {8470#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8471#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:25:51,983 INFO L290 TraceCheckUtils]: 11: Hoare triple {8471#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8472#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:25:51,984 INFO L290 TraceCheckUtils]: 12: Hoare triple {8472#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8473#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:25:51,984 INFO L290 TraceCheckUtils]: 13: Hoare triple {8473#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8474#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:25:51,985 INFO L290 TraceCheckUtils]: 14: Hoare triple {8474#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8475#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:25:51,985 INFO L290 TraceCheckUtils]: 15: Hoare triple {8475#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8476#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:25:51,986 INFO L290 TraceCheckUtils]: 16: Hoare triple {8476#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8477#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:25:51,986 INFO L290 TraceCheckUtils]: 17: Hoare triple {8477#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8478#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:25:51,987 INFO L290 TraceCheckUtils]: 18: Hoare triple {8478#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8479#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:25:51,987 INFO L290 TraceCheckUtils]: 19: Hoare triple {8479#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8480#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} is VALID [2022-04-08 09:25:51,988 INFO L290 TraceCheckUtils]: 20: Hoare triple {8480#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8481#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} is VALID [2022-04-08 09:25:51,988 INFO L290 TraceCheckUtils]: 21: Hoare triple {8481#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8482#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} is VALID [2022-04-08 09:25:51,989 INFO L290 TraceCheckUtils]: 22: Hoare triple {8482#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8483#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} is VALID [2022-04-08 09:25:51,989 INFO L290 TraceCheckUtils]: 23: Hoare triple {8483#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8484#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} is VALID [2022-04-08 09:25:51,990 INFO L290 TraceCheckUtils]: 24: Hoare triple {8484#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8485#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} is VALID [2022-04-08 09:25:51,990 INFO L290 TraceCheckUtils]: 25: Hoare triple {8485#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8486#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} is VALID [2022-04-08 09:25:51,991 INFO L290 TraceCheckUtils]: 26: Hoare triple {8486#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8487#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} is VALID [2022-04-08 09:25:51,991 INFO L290 TraceCheckUtils]: 27: Hoare triple {8487#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8488#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} is VALID [2022-04-08 09:25:51,992 INFO L290 TraceCheckUtils]: 28: Hoare triple {8488#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8489#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} is VALID [2022-04-08 09:25:51,992 INFO L290 TraceCheckUtils]: 29: Hoare triple {8489#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8490#(and (<= (div main_~x~0 4294967296) 0) (<= 268435393 main_~x~0))} is VALID [2022-04-08 09:25:51,993 INFO L290 TraceCheckUtils]: 30: Hoare triple {8490#(and (<= (div main_~x~0 4294967296) 0) (<= 268435393 main_~x~0))} assume !(~x~0 % 4294967296 > 1); {8462#false} is VALID [2022-04-08 09:25:51,993 INFO L272 TraceCheckUtils]: 31: Hoare triple {8462#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)); {8462#false} is VALID [2022-04-08 09:25:51,993 INFO L290 TraceCheckUtils]: 32: Hoare triple {8462#false} ~cond := #in~cond; {8462#false} is VALID [2022-04-08 09:25:51,993 INFO L290 TraceCheckUtils]: 33: Hoare triple {8462#false} assume 0 == ~cond; {8462#false} is VALID [2022-04-08 09:25:51,993 INFO L290 TraceCheckUtils]: 34: Hoare triple {8462#false} assume !false; {8462#false} is VALID [2022-04-08 09:25:51,994 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:25:51,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 09:25:51,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505052165] [2022-04-08 09:25:51,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505052165] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-08 09:25:51,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1221007148] [2022-04-08 09:25:51,994 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-04-08 09:25:51,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 09:25:51,994 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 09:25:51,995 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) [2022-04-08 09:25:51,996 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2022-04-08 09:25:52,347 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 13 check-sat command(s) [2022-04-08 09:25:52,347 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 09:25:52,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 54 conjunts are in the unsatisfiable core [2022-04-08 09:25:52,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:25:52,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 09:25:52,635 INFO L272 TraceCheckUtils]: 0: Hoare triple {8461#true} call ULTIMATE.init(); {8461#true} is VALID [2022-04-08 09:25:52,635 INFO L290 TraceCheckUtils]: 1: Hoare triple {8461#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(13, 2);call #Ultimate.allocInit(12, 3); {8461#true} is VALID [2022-04-08 09:25:52,636 INFO L290 TraceCheckUtils]: 2: Hoare triple {8461#true} assume true; {8461#true} is VALID [2022-04-08 09:25:52,636 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {8461#true} {8461#true} #34#return; {8461#true} is VALID [2022-04-08 09:25:52,636 INFO L272 TraceCheckUtils]: 4: Hoare triple {8461#true} call #t~ret4 := main(); {8461#true} is VALID [2022-04-08 09:25:52,636 INFO L290 TraceCheckUtils]: 5: Hoare triple {8461#true} ~x~0 := 268435441; {8466#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:25:52,637 INFO L290 TraceCheckUtils]: 6: Hoare triple {8466#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8467#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:25:52,637 INFO L290 TraceCheckUtils]: 7: Hoare triple {8467#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8468#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:25:52,638 INFO L290 TraceCheckUtils]: 8: Hoare triple {8468#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8469#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:25:52,638 INFO L290 TraceCheckUtils]: 9: Hoare triple {8469#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8470#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:25:52,639 INFO L290 TraceCheckUtils]: 10: Hoare triple {8470#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8471#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:25:52,639 INFO L290 TraceCheckUtils]: 11: Hoare triple {8471#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8472#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:25:52,640 INFO L290 TraceCheckUtils]: 12: Hoare triple {8472#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8473#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:25:52,640 INFO L290 TraceCheckUtils]: 13: Hoare triple {8473#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8474#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:25:52,641 INFO L290 TraceCheckUtils]: 14: Hoare triple {8474#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8475#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:25:52,641 INFO L290 TraceCheckUtils]: 15: Hoare triple {8475#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8476#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:25:52,642 INFO L290 TraceCheckUtils]: 16: Hoare triple {8476#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8477#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:25:52,642 INFO L290 TraceCheckUtils]: 17: Hoare triple {8477#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8478#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:25:52,643 INFO L290 TraceCheckUtils]: 18: Hoare triple {8478#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8479#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:25:52,643 INFO L290 TraceCheckUtils]: 19: Hoare triple {8479#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8480#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} is VALID [2022-04-08 09:25:52,644 INFO L290 TraceCheckUtils]: 20: Hoare triple {8480#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8481#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} is VALID [2022-04-08 09:25:52,645 INFO L290 TraceCheckUtils]: 21: Hoare triple {8481#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8482#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} is VALID [2022-04-08 09:25:52,645 INFO L290 TraceCheckUtils]: 22: Hoare triple {8482#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8483#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} is VALID [2022-04-08 09:25:52,646 INFO L290 TraceCheckUtils]: 23: Hoare triple {8483#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8484#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} is VALID [2022-04-08 09:25:52,646 INFO L290 TraceCheckUtils]: 24: Hoare triple {8484#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8485#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} is VALID [2022-04-08 09:25:52,647 INFO L290 TraceCheckUtils]: 25: Hoare triple {8485#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8486#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} is VALID [2022-04-08 09:25:52,647 INFO L290 TraceCheckUtils]: 26: Hoare triple {8486#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8487#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} is VALID [2022-04-08 09:25:52,651 INFO L290 TraceCheckUtils]: 27: Hoare triple {8487#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8488#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} is VALID [2022-04-08 09:25:52,655 INFO L290 TraceCheckUtils]: 28: Hoare triple {8488#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8489#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} is VALID [2022-04-08 09:25:52,656 INFO L290 TraceCheckUtils]: 29: Hoare triple {8489#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8582#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} is VALID [2022-04-08 09:25:52,656 INFO L290 TraceCheckUtils]: 30: Hoare triple {8582#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} assume !(~x~0 % 4294967296 > 1); {8462#false} is VALID [2022-04-08 09:25:52,656 INFO L272 TraceCheckUtils]: 31: Hoare triple {8462#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)); {8462#false} is VALID [2022-04-08 09:25:52,656 INFO L290 TraceCheckUtils]: 32: Hoare triple {8462#false} ~cond := #in~cond; {8462#false} is VALID [2022-04-08 09:25:52,656 INFO L290 TraceCheckUtils]: 33: Hoare triple {8462#false} assume 0 == ~cond; {8462#false} is VALID [2022-04-08 09:25:52,657 INFO L290 TraceCheckUtils]: 34: Hoare triple {8462#false} assume !false; {8462#false} is VALID [2022-04-08 09:25:52,657 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:25:52,657 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 09:25:54,143 INFO L290 TraceCheckUtils]: 34: Hoare triple {8462#false} assume !false; {8462#false} is VALID [2022-04-08 09:25:54,143 INFO L290 TraceCheckUtils]: 33: Hoare triple {8601#(not (<= __VERIFIER_assert_~cond 0))} assume 0 == ~cond; {8462#false} is VALID [2022-04-08 09:25:54,144 INFO L290 TraceCheckUtils]: 32: Hoare triple {8605#(< 0 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {8601#(not (<= __VERIFIER_assert_~cond 0))} is VALID [2022-04-08 09:25:54,144 INFO L272 TraceCheckUtils]: 31: Hoare triple {8609#(= (mod main_~x~0 2) 0)} 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)); {8605#(< 0 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-08 09:25:54,145 INFO L290 TraceCheckUtils]: 30: Hoare triple {8613#(or (< 1 (mod main_~x~0 4294967296)) (= (mod main_~x~0 2) 0))} assume !(~x~0 % 4294967296 > 1); {8609#(= (mod main_~x~0 2) 0)} is VALID [2022-04-08 09:25:54,146 INFO L290 TraceCheckUtils]: 29: Hoare triple {8617#(or (< 1 (mod (+ main_~x~0 4294967294) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8613#(or (< 1 (mod main_~x~0 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:54,147 INFO L290 TraceCheckUtils]: 28: Hoare triple {8621#(or (< 1 (mod (+ 4294967292 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8617#(or (< 1 (mod (+ main_~x~0 4294967294) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:54,149 INFO L290 TraceCheckUtils]: 27: Hoare triple {8625#(or (< 1 (mod (+ 4294967290 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8621#(or (< 1 (mod (+ 4294967292 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:54,149 INFO L290 TraceCheckUtils]: 26: Hoare triple {8629#(or (< 1 (mod (+ 4294967288 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8625#(or (< 1 (mod (+ 4294967290 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:54,150 INFO L290 TraceCheckUtils]: 25: Hoare triple {8633#(or (< 1 (mod (+ main_~x~0 4294967286) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8629#(or (< 1 (mod (+ 4294967288 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:54,151 INFO L290 TraceCheckUtils]: 24: Hoare triple {8637#(or (< 1 (mod (+ main_~x~0 4294967284) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8633#(or (< 1 (mod (+ main_~x~0 4294967286) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:54,152 INFO L290 TraceCheckUtils]: 23: Hoare triple {8641#(or (< 1 (mod (+ 4294967282 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8637#(or (< 1 (mod (+ main_~x~0 4294967284) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:54,152 INFO L290 TraceCheckUtils]: 22: Hoare triple {8645#(or (< 1 (mod (+ main_~x~0 4294967280) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8641#(or (< 1 (mod (+ 4294967282 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:54,153 INFO L290 TraceCheckUtils]: 21: Hoare triple {8649#(or (< 1 (mod (+ main_~x~0 4294967278) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8645#(or (< 1 (mod (+ main_~x~0 4294967280) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:54,154 INFO L290 TraceCheckUtils]: 20: Hoare triple {8653#(or (< 1 (mod (+ 4294967276 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8649#(or (< 1 (mod (+ main_~x~0 4294967278) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:54,155 INFO L290 TraceCheckUtils]: 19: Hoare triple {8657#(or (< 1 (mod (+ 4294967274 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8653#(or (< 1 (mod (+ 4294967276 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:54,156 INFO L290 TraceCheckUtils]: 18: Hoare triple {8661#(or (< 1 (mod (+ 4294967272 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8657#(or (< 1 (mod (+ 4294967274 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:54,157 INFO L290 TraceCheckUtils]: 17: Hoare triple {8665#(or (< 1 (mod (+ main_~x~0 4294967270) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8661#(or (< 1 (mod (+ 4294967272 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:54,159 INFO L290 TraceCheckUtils]: 16: Hoare triple {8669#(or (< 1 (mod (+ main_~x~0 4294967268) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8665#(or (< 1 (mod (+ main_~x~0 4294967270) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:54,161 INFO L290 TraceCheckUtils]: 15: Hoare triple {8673#(or (< 1 (mod (+ main_~x~0 4294967266) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8669#(or (< 1 (mod (+ main_~x~0 4294967268) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:54,162 INFO L290 TraceCheckUtils]: 14: Hoare triple {8677#(or (< 1 (mod (+ main_~x~0 4294967264) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8673#(or (< 1 (mod (+ main_~x~0 4294967266) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:54,163 INFO L290 TraceCheckUtils]: 13: Hoare triple {8681#(or (< 1 (mod (+ main_~x~0 4294967262) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8677#(or (< 1 (mod (+ main_~x~0 4294967264) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:54,165 INFO L290 TraceCheckUtils]: 12: Hoare triple {8685#(or (< 1 (mod (+ 4294967260 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8681#(or (< 1 (mod (+ main_~x~0 4294967262) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:54,166 INFO L290 TraceCheckUtils]: 11: Hoare triple {8689#(or (< 1 (mod (+ main_~x~0 4294967258) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8685#(or (< 1 (mod (+ 4294967260 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:54,167 INFO L290 TraceCheckUtils]: 10: Hoare triple {8693#(or (< 1 (mod (+ main_~x~0 4294967256) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8689#(or (< 1 (mod (+ main_~x~0 4294967258) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:54,168 INFO L290 TraceCheckUtils]: 9: Hoare triple {8697#(or (< 1 (mod (+ 4294967254 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8693#(or (< 1 (mod (+ main_~x~0 4294967256) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:54,169 INFO L290 TraceCheckUtils]: 8: Hoare triple {8701#(or (< 1 (mod (+ main_~x~0 4294967252) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8697#(or (< 1 (mod (+ 4294967254 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:54,169 INFO L290 TraceCheckUtils]: 7: Hoare triple {8705#(or (< 1 (mod (+ 4294967250 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8701#(or (< 1 (mod (+ main_~x~0 4294967252) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:54,170 INFO L290 TraceCheckUtils]: 6: Hoare triple {8709#(or (< 1 (mod (+ main_~x~0 4294967248) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {8705#(or (< 1 (mod (+ 4294967250 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:54,170 INFO L290 TraceCheckUtils]: 5: Hoare triple {8461#true} ~x~0 := 268435441; {8709#(or (< 1 (mod (+ main_~x~0 4294967248) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:25:54,171 INFO L272 TraceCheckUtils]: 4: Hoare triple {8461#true} call #t~ret4 := main(); {8461#true} is VALID [2022-04-08 09:25:54,171 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {8461#true} {8461#true} #34#return; {8461#true} is VALID [2022-04-08 09:25:54,171 INFO L290 TraceCheckUtils]: 2: Hoare triple {8461#true} assume true; {8461#true} is VALID [2022-04-08 09:25:54,171 INFO L290 TraceCheckUtils]: 1: Hoare triple {8461#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(13, 2);call #Ultimate.allocInit(12, 3); {8461#true} is VALID [2022-04-08 09:25:54,171 INFO L272 TraceCheckUtils]: 0: Hoare triple {8461#true} call ULTIMATE.init(); {8461#true} is VALID [2022-04-08 09:25:54,171 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:25:54,172 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1221007148] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-08 09:25:54,172 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-08 09:25:54,172 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 27, 30] total 57 [2022-04-08 09:25:54,172 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 09:25:54,172 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1473310944] [2022-04-08 09:25:54,172 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1473310944] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 09:25:54,172 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 09:25:54,172 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-04-08 09:25:54,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225349584] [2022-04-08 09:25:54,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 09:25:54,173 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 1.1071428571428572) internal successors, (31), 27 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 [2022-04-08 09:25:54,173 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 09:25:54,173 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 28 states, 28 states have (on average 1.1071428571428572) internal successors, (31), 27 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) [2022-04-08 09:25:54,197 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 35 edges. 35 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:25:54,198 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-04-08 09:25:54,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 09:25:54,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-04-08 09:25:54,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=811, Invalid=2381, Unknown=0, NotChecked=0, Total=3192 [2022-04-08 09:25:54,199 INFO L87 Difference]: Start difference. First operand 36 states and 36 transitions. Second operand has 28 states, 28 states have (on average 1.1071428571428572) internal successors, (31), 27 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) [2022-04-08 09:25:55,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:25:55,573 INFO L93 Difference]: Finished difference Result 42 states and 42 transitions. [2022-04-08 09:25:55,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-04-08 09:25:55,573 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 1.1071428571428572) internal successors, (31), 27 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 [2022-04-08 09:25:55,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 09:25:55,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 28 states have (on average 1.1071428571428572) internal successors, (31), 27 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) [2022-04-08 09:25:55,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 42 transitions. [2022-04-08 09:25:55,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 28 states have (on average 1.1071428571428572) internal successors, (31), 27 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) [2022-04-08 09:25:55,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 42 transitions. [2022-04-08 09:25:55,575 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 28 states and 42 transitions. [2022-04-08 09:25:55,603 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 42 edges. 42 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:25:55,604 INFO L225 Difference]: With dead ends: 42 [2022-04-08 09:25:55,604 INFO L226 Difference]: Without dead ends: 37 [2022-04-08 09:25:55,605 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 43 SyntacticMatches, 1 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 359 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=1584, Invalid=5058, Unknown=0, NotChecked=0, Total=6642 [2022-04-08 09:25:55,605 INFO L913 BasicCegarLoop]: 11 mSDtfsCounter, 6 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 632 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 632 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-04-08 09:25:55,605 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 43 Invalid, 683 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 632 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-04-08 09:25:55,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2022-04-08 09:25:55,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2022-04-08 09:25:55,642 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 09:25:55,642 INFO L82 GeneralOperation]: Start isEquivalent. First operand 37 states. Second operand has 37 states, 32 states have (on average 1.03125) internal successors, (33), 32 states have internal predecessors, (33), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:55,642 INFO L74 IsIncluded]: Start isIncluded. First operand 37 states. Second operand has 37 states, 32 states have (on average 1.03125) internal successors, (33), 32 states have internal predecessors, (33), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:55,643 INFO L87 Difference]: Start difference. First operand 37 states. Second operand has 37 states, 32 states have (on average 1.03125) internal successors, (33), 32 states have internal predecessors, (33), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:55,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:25:55,645 INFO L93 Difference]: Finished difference Result 37 states and 37 transitions. [2022-04-08 09:25:55,645 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 37 transitions. [2022-04-08 09:25:55,645 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:25:55,645 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:25:55,645 INFO L74 IsIncluded]: Start isIncluded. First operand has 37 states, 32 states have (on average 1.03125) internal successors, (33), 32 states have internal predecessors, (33), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 37 states. [2022-04-08 09:25:55,645 INFO L87 Difference]: Start difference. First operand has 37 states, 32 states have (on average 1.03125) internal successors, (33), 32 states have internal predecessors, (33), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 37 states. [2022-04-08 09:25:55,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:25:55,646 INFO L93 Difference]: Finished difference Result 37 states and 37 transitions. [2022-04-08 09:25:55,646 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 37 transitions. [2022-04-08 09:25:55,646 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:25:55,646 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:25:55,647 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 09:25:55,647 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 09:25:55,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 32 states have (on average 1.03125) internal successors, (33), 32 states have internal predecessors, (33), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:55,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 37 transitions. [2022-04-08 09:25:55,648 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 37 transitions. Word has length 35 [2022-04-08 09:25:55,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 09:25:55,648 INFO L478 AbstractCegarLoop]: Abstraction has 37 states and 37 transitions. [2022-04-08 09:25:55,648 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 1.1071428571428572) internal successors, (31), 27 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) [2022-04-08 09:25:55,648 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 37 states and 37 transitions. [2022-04-08 09:25:55,686 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 37 edges. 37 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:25:55,686 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 37 transitions. [2022-04-08 09:25:55,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-04-08 09:25:55,686 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 09:25:55,686 INFO L499 BasicCegarLoop]: trace histogram [25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 09:25:55,691 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2022-04-08 09:25:55,887 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2022-04-08 09:25:55,887 INFO L403 AbstractCegarLoop]: === Iteration 27 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 09:25:55,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 09:25:55,887 INFO L85 PathProgramCache]: Analyzing trace with hash 1415390070, now seen corresponding path program 49 times [2022-04-08 09:25:55,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 09:25:55,888 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [871138511] [2022-04-08 09:25:55,890 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-08 09:25:55,890 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-08 09:25:55,890 INFO L85 PathProgramCache]: Analyzing trace with hash 1415390070, now seen corresponding path program 50 times [2022-04-08 09:25:55,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 09:25:55,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425232897] [2022-04-08 09:25:55,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 09:25:55,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 09:25:55,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:25:56,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-08 09:25:56,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:25:56,413 INFO L290 TraceCheckUtils]: 0: Hoare triple {9043#(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(13, 2);call #Ultimate.allocInit(12, 3); {9012#true} is VALID [2022-04-08 09:25:56,413 INFO L290 TraceCheckUtils]: 1: Hoare triple {9012#true} assume true; {9012#true} is VALID [2022-04-08 09:25:56,413 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {9012#true} {9012#true} #34#return; {9012#true} is VALID [2022-04-08 09:25:56,414 INFO L272 TraceCheckUtils]: 0: Hoare triple {9012#true} call ULTIMATE.init(); {9043#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-08 09:25:56,414 INFO L290 TraceCheckUtils]: 1: Hoare triple {9043#(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(13, 2);call #Ultimate.allocInit(12, 3); {9012#true} is VALID [2022-04-08 09:25:56,414 INFO L290 TraceCheckUtils]: 2: Hoare triple {9012#true} assume true; {9012#true} is VALID [2022-04-08 09:25:56,414 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {9012#true} {9012#true} #34#return; {9012#true} is VALID [2022-04-08 09:25:56,414 INFO L272 TraceCheckUtils]: 4: Hoare triple {9012#true} call #t~ret4 := main(); {9012#true} is VALID [2022-04-08 09:25:56,414 INFO L290 TraceCheckUtils]: 5: Hoare triple {9012#true} ~x~0 := 268435441; {9017#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:25:56,415 INFO L290 TraceCheckUtils]: 6: Hoare triple {9017#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9018#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:25:56,415 INFO L290 TraceCheckUtils]: 7: Hoare triple {9018#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9019#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:25:56,416 INFO L290 TraceCheckUtils]: 8: Hoare triple {9019#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9020#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:25:56,416 INFO L290 TraceCheckUtils]: 9: Hoare triple {9020#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9021#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:25:56,417 INFO L290 TraceCheckUtils]: 10: Hoare triple {9021#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9022#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:25:56,417 INFO L290 TraceCheckUtils]: 11: Hoare triple {9022#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9023#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:25:56,422 INFO L290 TraceCheckUtils]: 12: Hoare triple {9023#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9024#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:25:56,423 INFO L290 TraceCheckUtils]: 13: Hoare triple {9024#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9025#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:25:56,423 INFO L290 TraceCheckUtils]: 14: Hoare triple {9025#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9026#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:25:56,424 INFO L290 TraceCheckUtils]: 15: Hoare triple {9026#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9027#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:25:56,424 INFO L290 TraceCheckUtils]: 16: Hoare triple {9027#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9028#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:25:56,425 INFO L290 TraceCheckUtils]: 17: Hoare triple {9028#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9029#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:25:56,425 INFO L290 TraceCheckUtils]: 18: Hoare triple {9029#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9030#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:25:56,426 INFO L290 TraceCheckUtils]: 19: Hoare triple {9030#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9031#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} is VALID [2022-04-08 09:25:56,426 INFO L290 TraceCheckUtils]: 20: Hoare triple {9031#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9032#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} is VALID [2022-04-08 09:25:56,427 INFO L290 TraceCheckUtils]: 21: Hoare triple {9032#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9033#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} is VALID [2022-04-08 09:25:56,427 INFO L290 TraceCheckUtils]: 22: Hoare triple {9033#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9034#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} is VALID [2022-04-08 09:25:56,428 INFO L290 TraceCheckUtils]: 23: Hoare triple {9034#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9035#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} is VALID [2022-04-08 09:25:56,428 INFO L290 TraceCheckUtils]: 24: Hoare triple {9035#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9036#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} is VALID [2022-04-08 09:25:56,429 INFO L290 TraceCheckUtils]: 25: Hoare triple {9036#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9037#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} is VALID [2022-04-08 09:25:56,430 INFO L290 TraceCheckUtils]: 26: Hoare triple {9037#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9038#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} is VALID [2022-04-08 09:25:56,430 INFO L290 TraceCheckUtils]: 27: Hoare triple {9038#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9039#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} is VALID [2022-04-08 09:25:56,431 INFO L290 TraceCheckUtils]: 28: Hoare triple {9039#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9040#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} is VALID [2022-04-08 09:25:56,431 INFO L290 TraceCheckUtils]: 29: Hoare triple {9040#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9041#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} is VALID [2022-04-08 09:25:56,432 INFO L290 TraceCheckUtils]: 30: Hoare triple {9041#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9042#(and (<= (div main_~x~0 4294967296) 0) (<= 268435391 main_~x~0))} is VALID [2022-04-08 09:25:56,432 INFO L290 TraceCheckUtils]: 31: Hoare triple {9042#(and (<= (div main_~x~0 4294967296) 0) (<= 268435391 main_~x~0))} assume !(~x~0 % 4294967296 > 1); {9013#false} is VALID [2022-04-08 09:25:56,432 INFO L272 TraceCheckUtils]: 32: Hoare triple {9013#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)); {9013#false} is VALID [2022-04-08 09:25:56,432 INFO L290 TraceCheckUtils]: 33: Hoare triple {9013#false} ~cond := #in~cond; {9013#false} is VALID [2022-04-08 09:25:56,432 INFO L290 TraceCheckUtils]: 34: Hoare triple {9013#false} assume 0 == ~cond; {9013#false} is VALID [2022-04-08 09:25:56,433 INFO L290 TraceCheckUtils]: 35: Hoare triple {9013#false} assume !false; {9013#false} is VALID [2022-04-08 09:25:56,433 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:25:56,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 09:25:56,433 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425232897] [2022-04-08 09:25:56,433 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425232897] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-08 09:25:56,433 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [555047390] [2022-04-08 09:25:56,433 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-08 09:25:56,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 09:25:56,434 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 09:25:56,448 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) [2022-04-08 09:25:56,448 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2022-04-08 09:25:56,522 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-08 09:25:56,523 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 09:25:56,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 53 conjunts are in the unsatisfiable core [2022-04-08 09:25:56,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:25:56,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 09:25:56,919 INFO L272 TraceCheckUtils]: 0: Hoare triple {9012#true} call ULTIMATE.init(); {9012#true} is VALID [2022-04-08 09:25:56,920 INFO L290 TraceCheckUtils]: 1: Hoare triple {9012#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(13, 2);call #Ultimate.allocInit(12, 3); {9012#true} is VALID [2022-04-08 09:25:56,920 INFO L290 TraceCheckUtils]: 2: Hoare triple {9012#true} assume true; {9012#true} is VALID [2022-04-08 09:25:56,920 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {9012#true} {9012#true} #34#return; {9012#true} is VALID [2022-04-08 09:25:56,920 INFO L272 TraceCheckUtils]: 4: Hoare triple {9012#true} call #t~ret4 := main(); {9012#true} is VALID [2022-04-08 09:25:56,921 INFO L290 TraceCheckUtils]: 5: Hoare triple {9012#true} ~x~0 := 268435441; {9017#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:25:56,921 INFO L290 TraceCheckUtils]: 6: Hoare triple {9017#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9018#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:25:56,922 INFO L290 TraceCheckUtils]: 7: Hoare triple {9018#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9019#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:25:56,923 INFO L290 TraceCheckUtils]: 8: Hoare triple {9019#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9020#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:25:56,923 INFO L290 TraceCheckUtils]: 9: Hoare triple {9020#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9021#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:25:56,924 INFO L290 TraceCheckUtils]: 10: Hoare triple {9021#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9022#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:25:56,925 INFO L290 TraceCheckUtils]: 11: Hoare triple {9022#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9023#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:25:56,925 INFO L290 TraceCheckUtils]: 12: Hoare triple {9023#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9024#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:25:56,926 INFO L290 TraceCheckUtils]: 13: Hoare triple {9024#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9025#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:25:56,927 INFO L290 TraceCheckUtils]: 14: Hoare triple {9025#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9026#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:25:56,927 INFO L290 TraceCheckUtils]: 15: Hoare triple {9026#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9027#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:25:56,928 INFO L290 TraceCheckUtils]: 16: Hoare triple {9027#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9028#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:25:56,929 INFO L290 TraceCheckUtils]: 17: Hoare triple {9028#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9029#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:25:56,929 INFO L290 TraceCheckUtils]: 18: Hoare triple {9029#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9030#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:25:56,930 INFO L290 TraceCheckUtils]: 19: Hoare triple {9030#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9031#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} is VALID [2022-04-08 09:25:56,931 INFO L290 TraceCheckUtils]: 20: Hoare triple {9031#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9032#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} is VALID [2022-04-08 09:25:56,931 INFO L290 TraceCheckUtils]: 21: Hoare triple {9032#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9033#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} is VALID [2022-04-08 09:25:56,932 INFO L290 TraceCheckUtils]: 22: Hoare triple {9033#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9034#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} is VALID [2022-04-08 09:25:56,933 INFO L290 TraceCheckUtils]: 23: Hoare triple {9034#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9035#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} is VALID [2022-04-08 09:25:56,933 INFO L290 TraceCheckUtils]: 24: Hoare triple {9035#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9036#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} is VALID [2022-04-08 09:25:56,934 INFO L290 TraceCheckUtils]: 25: Hoare triple {9036#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9037#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} is VALID [2022-04-08 09:25:56,935 INFO L290 TraceCheckUtils]: 26: Hoare triple {9037#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9038#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} is VALID [2022-04-08 09:25:56,935 INFO L290 TraceCheckUtils]: 27: Hoare triple {9038#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9039#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} is VALID [2022-04-08 09:25:56,936 INFO L290 TraceCheckUtils]: 28: Hoare triple {9039#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9040#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} is VALID [2022-04-08 09:25:56,936 INFO L290 TraceCheckUtils]: 29: Hoare triple {9040#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9041#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} is VALID [2022-04-08 09:25:56,937 INFO L290 TraceCheckUtils]: 30: Hoare triple {9041#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9137#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} is VALID [2022-04-08 09:25:56,938 INFO L290 TraceCheckUtils]: 31: Hoare triple {9137#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} assume !(~x~0 % 4294967296 > 1); {9013#false} is VALID [2022-04-08 09:25:56,938 INFO L272 TraceCheckUtils]: 32: Hoare triple {9013#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)); {9013#false} is VALID [2022-04-08 09:25:56,938 INFO L290 TraceCheckUtils]: 33: Hoare triple {9013#false} ~cond := #in~cond; {9013#false} is VALID [2022-04-08 09:25:56,938 INFO L290 TraceCheckUtils]: 34: Hoare triple {9013#false} assume 0 == ~cond; {9013#false} is VALID [2022-04-08 09:25:56,938 INFO L290 TraceCheckUtils]: 35: Hoare triple {9013#false} assume !false; {9013#false} is VALID [2022-04-08 09:25:56,939 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:25:56,939 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 09:25:58,097 INFO L290 TraceCheckUtils]: 35: Hoare triple {9013#false} assume !false; {9013#false} is VALID [2022-04-08 09:25:58,098 INFO L290 TraceCheckUtils]: 34: Hoare triple {9013#false} assume 0 == ~cond; {9013#false} is VALID [2022-04-08 09:25:58,098 INFO L290 TraceCheckUtils]: 33: Hoare triple {9013#false} ~cond := #in~cond; {9013#false} is VALID [2022-04-08 09:25:58,098 INFO L272 TraceCheckUtils]: 32: Hoare triple {9013#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)); {9013#false} is VALID [2022-04-08 09:25:58,098 INFO L290 TraceCheckUtils]: 31: Hoare triple {9165#(< 1 (mod main_~x~0 4294967296))} assume !(~x~0 % 4294967296 > 1); {9013#false} is VALID [2022-04-08 09:25:58,103 INFO L290 TraceCheckUtils]: 30: Hoare triple {9169#(< 1 (mod (+ main_~x~0 4294967294) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9165#(< 1 (mod main_~x~0 4294967296))} is VALID [2022-04-08 09:25:58,105 INFO L290 TraceCheckUtils]: 29: Hoare triple {9173#(< 1 (mod (+ 4294967292 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9169#(< 1 (mod (+ main_~x~0 4294967294) 4294967296))} is VALID [2022-04-08 09:25:58,105 INFO L290 TraceCheckUtils]: 28: Hoare triple {9177#(< 1 (mod (+ 4294967290 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9173#(< 1 (mod (+ 4294967292 main_~x~0) 4294967296))} is VALID [2022-04-08 09:25:58,106 INFO L290 TraceCheckUtils]: 27: Hoare triple {9181#(< 1 (mod (+ 4294967288 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9177#(< 1 (mod (+ 4294967290 main_~x~0) 4294967296))} is VALID [2022-04-08 09:25:58,107 INFO L290 TraceCheckUtils]: 26: Hoare triple {9185#(< 1 (mod (+ main_~x~0 4294967286) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9181#(< 1 (mod (+ 4294967288 main_~x~0) 4294967296))} is VALID [2022-04-08 09:25:58,107 INFO L290 TraceCheckUtils]: 25: Hoare triple {9189#(< 1 (mod (+ main_~x~0 4294967284) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9185#(< 1 (mod (+ main_~x~0 4294967286) 4294967296))} is VALID [2022-04-08 09:25:58,108 INFO L290 TraceCheckUtils]: 24: Hoare triple {9193#(< 1 (mod (+ 4294967282 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9189#(< 1 (mod (+ main_~x~0 4294967284) 4294967296))} is VALID [2022-04-08 09:25:58,109 INFO L290 TraceCheckUtils]: 23: Hoare triple {9197#(< 1 (mod (+ main_~x~0 4294967280) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9193#(< 1 (mod (+ 4294967282 main_~x~0) 4294967296))} is VALID [2022-04-08 09:25:58,109 INFO L290 TraceCheckUtils]: 22: Hoare triple {9201#(< 1 (mod (+ main_~x~0 4294967278) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9197#(< 1 (mod (+ main_~x~0 4294967280) 4294967296))} is VALID [2022-04-08 09:25:58,110 INFO L290 TraceCheckUtils]: 21: Hoare triple {9205#(< 1 (mod (+ 4294967276 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9201#(< 1 (mod (+ main_~x~0 4294967278) 4294967296))} is VALID [2022-04-08 09:25:58,110 INFO L290 TraceCheckUtils]: 20: Hoare triple {9209#(< 1 (mod (+ 4294967274 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9205#(< 1 (mod (+ 4294967276 main_~x~0) 4294967296))} is VALID [2022-04-08 09:25:58,111 INFO L290 TraceCheckUtils]: 19: Hoare triple {9213#(< 1 (mod (+ 4294967272 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9209#(< 1 (mod (+ 4294967274 main_~x~0) 4294967296))} is VALID [2022-04-08 09:25:58,112 INFO L290 TraceCheckUtils]: 18: Hoare triple {9217#(< 1 (mod (+ main_~x~0 4294967270) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9213#(< 1 (mod (+ 4294967272 main_~x~0) 4294967296))} is VALID [2022-04-08 09:25:58,115 INFO L290 TraceCheckUtils]: 17: Hoare triple {9221#(< 1 (mod (+ main_~x~0 4294967268) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9217#(< 1 (mod (+ main_~x~0 4294967270) 4294967296))} is VALID [2022-04-08 09:25:58,116 INFO L290 TraceCheckUtils]: 16: Hoare triple {9225#(< 1 (mod (+ main_~x~0 4294967266) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9221#(< 1 (mod (+ main_~x~0 4294967268) 4294967296))} is VALID [2022-04-08 09:25:58,116 INFO L290 TraceCheckUtils]: 15: Hoare triple {9229#(< 1 (mod (+ main_~x~0 4294967264) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9225#(< 1 (mod (+ main_~x~0 4294967266) 4294967296))} is VALID [2022-04-08 09:25:58,117 INFO L290 TraceCheckUtils]: 14: Hoare triple {9233#(< 1 (mod (+ main_~x~0 4294967262) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9229#(< 1 (mod (+ main_~x~0 4294967264) 4294967296))} is VALID [2022-04-08 09:25:58,118 INFO L290 TraceCheckUtils]: 13: Hoare triple {9237#(< 1 (mod (+ 4294967260 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9233#(< 1 (mod (+ main_~x~0 4294967262) 4294967296))} is VALID [2022-04-08 09:25:58,118 INFO L290 TraceCheckUtils]: 12: Hoare triple {9241#(< 1 (mod (+ main_~x~0 4294967258) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9237#(< 1 (mod (+ 4294967260 main_~x~0) 4294967296))} is VALID [2022-04-08 09:25:58,119 INFO L290 TraceCheckUtils]: 11: Hoare triple {9245#(< 1 (mod (+ main_~x~0 4294967256) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9241#(< 1 (mod (+ main_~x~0 4294967258) 4294967296))} is VALID [2022-04-08 09:25:58,120 INFO L290 TraceCheckUtils]: 10: Hoare triple {9249#(< 1 (mod (+ 4294967254 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9245#(< 1 (mod (+ main_~x~0 4294967256) 4294967296))} is VALID [2022-04-08 09:25:58,120 INFO L290 TraceCheckUtils]: 9: Hoare triple {9253#(< 1 (mod (+ main_~x~0 4294967252) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9249#(< 1 (mod (+ 4294967254 main_~x~0) 4294967296))} is VALID [2022-04-08 09:25:58,121 INFO L290 TraceCheckUtils]: 8: Hoare triple {9257#(< 1 (mod (+ 4294967250 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9253#(< 1 (mod (+ main_~x~0 4294967252) 4294967296))} is VALID [2022-04-08 09:25:58,122 INFO L290 TraceCheckUtils]: 7: Hoare triple {9261#(< 1 (mod (+ main_~x~0 4294967248) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9257#(< 1 (mod (+ 4294967250 main_~x~0) 4294967296))} is VALID [2022-04-08 09:25:58,122 INFO L290 TraceCheckUtils]: 6: Hoare triple {9265#(< 1 (mod (+ 4294967246 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9261#(< 1 (mod (+ main_~x~0 4294967248) 4294967296))} is VALID [2022-04-08 09:25:58,123 INFO L290 TraceCheckUtils]: 5: Hoare triple {9012#true} ~x~0 := 268435441; {9265#(< 1 (mod (+ 4294967246 main_~x~0) 4294967296))} is VALID [2022-04-08 09:25:58,123 INFO L272 TraceCheckUtils]: 4: Hoare triple {9012#true} call #t~ret4 := main(); {9012#true} is VALID [2022-04-08 09:25:58,123 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {9012#true} {9012#true} #34#return; {9012#true} is VALID [2022-04-08 09:25:58,123 INFO L290 TraceCheckUtils]: 2: Hoare triple {9012#true} assume true; {9012#true} is VALID [2022-04-08 09:25:58,123 INFO L290 TraceCheckUtils]: 1: Hoare triple {9012#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(13, 2);call #Ultimate.allocInit(12, 3); {9012#true} is VALID [2022-04-08 09:25:58,123 INFO L272 TraceCheckUtils]: 0: Hoare triple {9012#true} call ULTIMATE.init(); {9012#true} is VALID [2022-04-08 09:25:58,124 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:25:58,124 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [555047390] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-08 09:25:58,124 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-08 09:25:58,124 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 28, 28] total 56 [2022-04-08 09:25:58,124 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 09:25:58,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [871138511] [2022-04-08 09:25:58,124 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [871138511] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 09:25:58,125 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 09:25:58,125 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2022-04-08 09:25:58,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786250387] [2022-04-08 09:25:58,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 09:25:58,125 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 1.103448275862069) internal successors, (32), 28 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 [2022-04-08 09:25:58,125 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 09:25:58,125 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 29 states, 29 states have (on average 1.103448275862069) internal successors, (32), 28 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) [2022-04-08 09:25:58,146 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 36 edges. 36 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:25:58,146 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-04-08 09:25:58,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 09:25:58,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-04-08 09:25:58,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=837, Invalid=2243, Unknown=0, NotChecked=0, Total=3080 [2022-04-08 09:25:58,147 INFO L87 Difference]: Start difference. First operand 37 states and 37 transitions. Second operand has 29 states, 29 states have (on average 1.103448275862069) internal successors, (32), 28 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) [2022-04-08 09:25:59,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:25:59,727 INFO L93 Difference]: Finished difference Result 43 states and 43 transitions. [2022-04-08 09:25:59,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-04-08 09:25:59,728 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 1.103448275862069) internal successors, (32), 28 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 [2022-04-08 09:25:59,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 09:25:59,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 29 states have (on average 1.103448275862069) internal successors, (32), 28 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) [2022-04-08 09:25:59,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 43 transitions. [2022-04-08 09:25:59,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 29 states have (on average 1.103448275862069) internal successors, (32), 28 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) [2022-04-08 09:25:59,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 43 transitions. [2022-04-08 09:25:59,730 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 29 states and 43 transitions. [2022-04-08 09:25:59,761 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 43 edges. 43 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:25:59,761 INFO L225 Difference]: With dead ends: 43 [2022-04-08 09:25:59,762 INFO L226 Difference]: Without dead ends: 38 [2022-04-08 09:25:59,762 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 47 SyntacticMatches, 1 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 380 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=1667, Invalid=4975, Unknown=0, NotChecked=0, Total=6642 [2022-04-08 09:25:59,763 INFO L913 BasicCegarLoop]: 11 mSDtfsCounter, 6 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 717 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 770 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 717 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-04-08 09:25:59,763 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 78 Invalid, 770 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 717 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-04-08 09:25:59,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2022-04-08 09:25:59,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2022-04-08 09:25:59,806 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 09:25:59,807 INFO L82 GeneralOperation]: Start isEquivalent. First operand 38 states. Second operand has 38 states, 33 states have (on average 1.0303030303030303) internal successors, (34), 33 states have internal predecessors, (34), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:59,807 INFO L74 IsIncluded]: Start isIncluded. First operand 38 states. Second operand has 38 states, 33 states have (on average 1.0303030303030303) internal successors, (34), 33 states have internal predecessors, (34), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:59,807 INFO L87 Difference]: Start difference. First operand 38 states. Second operand has 38 states, 33 states have (on average 1.0303030303030303) internal successors, (34), 33 states have internal predecessors, (34), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:59,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:25:59,808 INFO L93 Difference]: Finished difference Result 38 states and 38 transitions. [2022-04-08 09:25:59,808 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 38 transitions. [2022-04-08 09:25:59,808 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:25:59,808 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:25:59,808 INFO L74 IsIncluded]: Start isIncluded. First operand has 38 states, 33 states have (on average 1.0303030303030303) internal successors, (34), 33 states have internal predecessors, (34), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 38 states. [2022-04-08 09:25:59,808 INFO L87 Difference]: Start difference. First operand has 38 states, 33 states have (on average 1.0303030303030303) internal successors, (34), 33 states have internal predecessors, (34), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 38 states. [2022-04-08 09:25:59,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:25:59,809 INFO L93 Difference]: Finished difference Result 38 states and 38 transitions. [2022-04-08 09:25:59,809 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 38 transitions. [2022-04-08 09:25:59,809 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:25:59,809 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:25:59,809 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 09:25:59,809 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 09:25:59,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 33 states have (on average 1.0303030303030303) internal successors, (34), 33 states have internal predecessors, (34), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:25:59,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 38 transitions. [2022-04-08 09:25:59,810 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 38 transitions. Word has length 36 [2022-04-08 09:25:59,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 09:25:59,810 INFO L478 AbstractCegarLoop]: Abstraction has 38 states and 38 transitions. [2022-04-08 09:25:59,811 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 1.103448275862069) internal successors, (32), 28 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) [2022-04-08 09:25:59,811 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 38 states and 38 transitions. [2022-04-08 09:25:59,844 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 38 edges. 38 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:25:59,845 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 38 transitions. [2022-04-08 09:25:59,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-04-08 09:25:59,845 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 09:25:59,845 INFO L499 BasicCegarLoop]: trace histogram [26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 09:25:59,849 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2022-04-08 09:26:00,047 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2022-04-08 09:26:00,047 INFO L403 AbstractCegarLoop]: === Iteration 28 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 09:26:00,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 09:26:00,048 INFO L85 PathProgramCache]: Analyzing trace with hash 963880476, now seen corresponding path program 51 times [2022-04-08 09:26:00,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 09:26:00,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [2076016144] [2022-04-08 09:26:00,050 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-08 09:26:00,050 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-08 09:26:00,050 INFO L85 PathProgramCache]: Analyzing trace with hash 963880476, now seen corresponding path program 52 times [2022-04-08 09:26:00,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 09:26:00,051 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747915045] [2022-04-08 09:26:00,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 09:26:00,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 09:26:00,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:26:00,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-08 09:26:00,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:26:00,578 INFO L290 TraceCheckUtils]: 0: Hoare triple {9608#(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(13, 2);call #Ultimate.allocInit(12, 3); {9576#true} is VALID [2022-04-08 09:26:00,578 INFO L290 TraceCheckUtils]: 1: Hoare triple {9576#true} assume true; {9576#true} is VALID [2022-04-08 09:26:00,579 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {9576#true} {9576#true} #34#return; {9576#true} is VALID [2022-04-08 09:26:00,579 INFO L272 TraceCheckUtils]: 0: Hoare triple {9576#true} call ULTIMATE.init(); {9608#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-08 09:26:00,579 INFO L290 TraceCheckUtils]: 1: Hoare triple {9608#(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(13, 2);call #Ultimate.allocInit(12, 3); {9576#true} is VALID [2022-04-08 09:26:00,579 INFO L290 TraceCheckUtils]: 2: Hoare triple {9576#true} assume true; {9576#true} is VALID [2022-04-08 09:26:00,579 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {9576#true} {9576#true} #34#return; {9576#true} is VALID [2022-04-08 09:26:00,579 INFO L272 TraceCheckUtils]: 4: Hoare triple {9576#true} call #t~ret4 := main(); {9576#true} is VALID [2022-04-08 09:26:00,580 INFO L290 TraceCheckUtils]: 5: Hoare triple {9576#true} ~x~0 := 268435441; {9581#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:26:00,580 INFO L290 TraceCheckUtils]: 6: Hoare triple {9581#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9582#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:26:00,581 INFO L290 TraceCheckUtils]: 7: Hoare triple {9582#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9583#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:26:00,581 INFO L290 TraceCheckUtils]: 8: Hoare triple {9583#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9584#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:26:00,582 INFO L290 TraceCheckUtils]: 9: Hoare triple {9584#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9585#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:26:00,582 INFO L290 TraceCheckUtils]: 10: Hoare triple {9585#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9586#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:26:00,583 INFO L290 TraceCheckUtils]: 11: Hoare triple {9586#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9587#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:26:00,583 INFO L290 TraceCheckUtils]: 12: Hoare triple {9587#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9588#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:26:00,584 INFO L290 TraceCheckUtils]: 13: Hoare triple {9588#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9589#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:26:00,585 INFO L290 TraceCheckUtils]: 14: Hoare triple {9589#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9590#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:26:00,585 INFO L290 TraceCheckUtils]: 15: Hoare triple {9590#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9591#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:26:00,586 INFO L290 TraceCheckUtils]: 16: Hoare triple {9591#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9592#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:26:00,586 INFO L290 TraceCheckUtils]: 17: Hoare triple {9592#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9593#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:26:00,587 INFO L290 TraceCheckUtils]: 18: Hoare triple {9593#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9594#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:26:00,587 INFO L290 TraceCheckUtils]: 19: Hoare triple {9594#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9595#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} is VALID [2022-04-08 09:26:00,588 INFO L290 TraceCheckUtils]: 20: Hoare triple {9595#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9596#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} is VALID [2022-04-08 09:26:00,588 INFO L290 TraceCheckUtils]: 21: Hoare triple {9596#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9597#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} is VALID [2022-04-08 09:26:00,589 INFO L290 TraceCheckUtils]: 22: Hoare triple {9597#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9598#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} is VALID [2022-04-08 09:26:00,589 INFO L290 TraceCheckUtils]: 23: Hoare triple {9598#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9599#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} is VALID [2022-04-08 09:26:00,590 INFO L290 TraceCheckUtils]: 24: Hoare triple {9599#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9600#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} is VALID [2022-04-08 09:26:00,590 INFO L290 TraceCheckUtils]: 25: Hoare triple {9600#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9601#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} is VALID [2022-04-08 09:26:00,591 INFO L290 TraceCheckUtils]: 26: Hoare triple {9601#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9602#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} is VALID [2022-04-08 09:26:00,591 INFO L290 TraceCheckUtils]: 27: Hoare triple {9602#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9603#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} is VALID [2022-04-08 09:26:00,592 INFO L290 TraceCheckUtils]: 28: Hoare triple {9603#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9604#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} is VALID [2022-04-08 09:26:00,592 INFO L290 TraceCheckUtils]: 29: Hoare triple {9604#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9605#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} is VALID [2022-04-08 09:26:00,593 INFO L290 TraceCheckUtils]: 30: Hoare triple {9605#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9606#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} is VALID [2022-04-08 09:26:00,593 INFO L290 TraceCheckUtils]: 31: Hoare triple {9606#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9607#(and (<= (div main_~x~0 4294967296) 0) (<= 268435389 main_~x~0))} is VALID [2022-04-08 09:26:00,594 INFO L290 TraceCheckUtils]: 32: Hoare triple {9607#(and (<= (div main_~x~0 4294967296) 0) (<= 268435389 main_~x~0))} assume !(~x~0 % 4294967296 > 1); {9577#false} is VALID [2022-04-08 09:26:00,594 INFO L272 TraceCheckUtils]: 33: Hoare triple {9577#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)); {9577#false} is VALID [2022-04-08 09:26:00,594 INFO L290 TraceCheckUtils]: 34: Hoare triple {9577#false} ~cond := #in~cond; {9577#false} is VALID [2022-04-08 09:26:00,594 INFO L290 TraceCheckUtils]: 35: Hoare triple {9577#false} assume 0 == ~cond; {9577#false} is VALID [2022-04-08 09:26:00,594 INFO L290 TraceCheckUtils]: 36: Hoare triple {9577#false} assume !false; {9577#false} is VALID [2022-04-08 09:26:00,594 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:26:00,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 09:26:00,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747915045] [2022-04-08 09:26:00,595 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747915045] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-08 09:26:00,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [920931509] [2022-04-08 09:26:00,595 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-08 09:26:00,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 09:26:00,595 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 09:26:00,596 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) [2022-04-08 09:26:00,597 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2022-04-08 09:26:00,676 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-08 09:26:00,676 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 09:26:00,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 55 conjunts are in the unsatisfiable core [2022-04-08 09:26:00,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:26:00,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 09:26:01,093 INFO L272 TraceCheckUtils]: 0: Hoare triple {9576#true} call ULTIMATE.init(); {9576#true} is VALID [2022-04-08 09:26:01,093 INFO L290 TraceCheckUtils]: 1: Hoare triple {9576#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(13, 2);call #Ultimate.allocInit(12, 3); {9576#true} is VALID [2022-04-08 09:26:01,094 INFO L290 TraceCheckUtils]: 2: Hoare triple {9576#true} assume true; {9576#true} is VALID [2022-04-08 09:26:01,094 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {9576#true} {9576#true} #34#return; {9576#true} is VALID [2022-04-08 09:26:01,094 INFO L272 TraceCheckUtils]: 4: Hoare triple {9576#true} call #t~ret4 := main(); {9576#true} is VALID [2022-04-08 09:26:01,094 INFO L290 TraceCheckUtils]: 5: Hoare triple {9576#true} ~x~0 := 268435441; {9581#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:26:01,095 INFO L290 TraceCheckUtils]: 6: Hoare triple {9581#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9582#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:26:01,096 INFO L290 TraceCheckUtils]: 7: Hoare triple {9582#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9583#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:26:01,097 INFO L290 TraceCheckUtils]: 8: Hoare triple {9583#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9584#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:26:01,097 INFO L290 TraceCheckUtils]: 9: Hoare triple {9584#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9585#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:26:01,098 INFO L290 TraceCheckUtils]: 10: Hoare triple {9585#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9586#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:26:01,099 INFO L290 TraceCheckUtils]: 11: Hoare triple {9586#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9587#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:26:01,099 INFO L290 TraceCheckUtils]: 12: Hoare triple {9587#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9588#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:26:01,100 INFO L290 TraceCheckUtils]: 13: Hoare triple {9588#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9589#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:26:01,101 INFO L290 TraceCheckUtils]: 14: Hoare triple {9589#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9590#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:26:01,102 INFO L290 TraceCheckUtils]: 15: Hoare triple {9590#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9591#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:26:01,102 INFO L290 TraceCheckUtils]: 16: Hoare triple {9591#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9592#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:26:01,103 INFO L290 TraceCheckUtils]: 17: Hoare triple {9592#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9593#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:26:01,104 INFO L290 TraceCheckUtils]: 18: Hoare triple {9593#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9594#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:26:01,104 INFO L290 TraceCheckUtils]: 19: Hoare triple {9594#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9595#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} is VALID [2022-04-08 09:26:01,105 INFO L290 TraceCheckUtils]: 20: Hoare triple {9595#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9596#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} is VALID [2022-04-08 09:26:01,106 INFO L290 TraceCheckUtils]: 21: Hoare triple {9596#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9597#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} is VALID [2022-04-08 09:26:01,106 INFO L290 TraceCheckUtils]: 22: Hoare triple {9597#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9598#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} is VALID [2022-04-08 09:26:01,107 INFO L290 TraceCheckUtils]: 23: Hoare triple {9598#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9599#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} is VALID [2022-04-08 09:26:01,108 INFO L290 TraceCheckUtils]: 24: Hoare triple {9599#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9600#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} is VALID [2022-04-08 09:26:01,109 INFO L290 TraceCheckUtils]: 25: Hoare triple {9600#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9601#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} is VALID [2022-04-08 09:26:01,109 INFO L290 TraceCheckUtils]: 26: Hoare triple {9601#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9602#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} is VALID [2022-04-08 09:26:01,110 INFO L290 TraceCheckUtils]: 27: Hoare triple {9602#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9603#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} is VALID [2022-04-08 09:26:01,111 INFO L290 TraceCheckUtils]: 28: Hoare triple {9603#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9604#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} is VALID [2022-04-08 09:26:01,111 INFO L290 TraceCheckUtils]: 29: Hoare triple {9604#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9605#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} is VALID [2022-04-08 09:26:01,112 INFO L290 TraceCheckUtils]: 30: Hoare triple {9605#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9606#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} is VALID [2022-04-08 09:26:01,112 INFO L290 TraceCheckUtils]: 31: Hoare triple {9606#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9705#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} is VALID [2022-04-08 09:26:01,113 INFO L290 TraceCheckUtils]: 32: Hoare triple {9705#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} assume !(~x~0 % 4294967296 > 1); {9577#false} is VALID [2022-04-08 09:26:01,113 INFO L272 TraceCheckUtils]: 33: Hoare triple {9577#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)); {9577#false} is VALID [2022-04-08 09:26:01,113 INFO L290 TraceCheckUtils]: 34: Hoare triple {9577#false} ~cond := #in~cond; {9577#false} is VALID [2022-04-08 09:26:01,113 INFO L290 TraceCheckUtils]: 35: Hoare triple {9577#false} assume 0 == ~cond; {9577#false} is VALID [2022-04-08 09:26:01,113 INFO L290 TraceCheckUtils]: 36: Hoare triple {9577#false} assume !false; {9577#false} is VALID [2022-04-08 09:26:01,113 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:26:01,114 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 09:26:02,331 INFO L290 TraceCheckUtils]: 36: Hoare triple {9577#false} assume !false; {9577#false} is VALID [2022-04-08 09:26:02,331 INFO L290 TraceCheckUtils]: 35: Hoare triple {9577#false} assume 0 == ~cond; {9577#false} is VALID [2022-04-08 09:26:02,331 INFO L290 TraceCheckUtils]: 34: Hoare triple {9577#false} ~cond := #in~cond; {9577#false} is VALID [2022-04-08 09:26:02,331 INFO L272 TraceCheckUtils]: 33: Hoare triple {9577#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)); {9577#false} is VALID [2022-04-08 09:26:02,331 INFO L290 TraceCheckUtils]: 32: Hoare triple {9733#(< 1 (mod main_~x~0 4294967296))} assume !(~x~0 % 4294967296 > 1); {9577#false} is VALID [2022-04-08 09:26:02,332 INFO L290 TraceCheckUtils]: 31: Hoare triple {9737#(< 1 (mod (+ main_~x~0 4294967294) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9733#(< 1 (mod main_~x~0 4294967296))} is VALID [2022-04-08 09:26:02,333 INFO L290 TraceCheckUtils]: 30: Hoare triple {9741#(< 1 (mod (+ 4294967292 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9737#(< 1 (mod (+ main_~x~0 4294967294) 4294967296))} is VALID [2022-04-08 09:26:02,334 INFO L290 TraceCheckUtils]: 29: Hoare triple {9745#(< 1 (mod (+ 4294967290 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9741#(< 1 (mod (+ 4294967292 main_~x~0) 4294967296))} is VALID [2022-04-08 09:26:02,335 INFO L290 TraceCheckUtils]: 28: Hoare triple {9749#(< 1 (mod (+ 4294967288 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9745#(< 1 (mod (+ 4294967290 main_~x~0) 4294967296))} is VALID [2022-04-08 09:26:02,336 INFO L290 TraceCheckUtils]: 27: Hoare triple {9753#(< 1 (mod (+ main_~x~0 4294967286) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9749#(< 1 (mod (+ 4294967288 main_~x~0) 4294967296))} is VALID [2022-04-08 09:26:02,337 INFO L290 TraceCheckUtils]: 26: Hoare triple {9757#(< 1 (mod (+ main_~x~0 4294967284) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9753#(< 1 (mod (+ main_~x~0 4294967286) 4294967296))} is VALID [2022-04-08 09:26:02,337 INFO L290 TraceCheckUtils]: 25: Hoare triple {9761#(< 1 (mod (+ 4294967282 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9757#(< 1 (mod (+ main_~x~0 4294967284) 4294967296))} is VALID [2022-04-08 09:26:02,338 INFO L290 TraceCheckUtils]: 24: Hoare triple {9765#(< 1 (mod (+ main_~x~0 4294967280) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9761#(< 1 (mod (+ 4294967282 main_~x~0) 4294967296))} is VALID [2022-04-08 09:26:02,339 INFO L290 TraceCheckUtils]: 23: Hoare triple {9769#(< 1 (mod (+ main_~x~0 4294967278) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9765#(< 1 (mod (+ main_~x~0 4294967280) 4294967296))} is VALID [2022-04-08 09:26:02,339 INFO L290 TraceCheckUtils]: 22: Hoare triple {9773#(< 1 (mod (+ 4294967276 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9769#(< 1 (mod (+ main_~x~0 4294967278) 4294967296))} is VALID [2022-04-08 09:26:02,340 INFO L290 TraceCheckUtils]: 21: Hoare triple {9777#(< 1 (mod (+ 4294967274 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9773#(< 1 (mod (+ 4294967276 main_~x~0) 4294967296))} is VALID [2022-04-08 09:26:02,341 INFO L290 TraceCheckUtils]: 20: Hoare triple {9781#(< 1 (mod (+ 4294967272 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9777#(< 1 (mod (+ 4294967274 main_~x~0) 4294967296))} is VALID [2022-04-08 09:26:02,342 INFO L290 TraceCheckUtils]: 19: Hoare triple {9785#(< 1 (mod (+ main_~x~0 4294967270) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9781#(< 1 (mod (+ 4294967272 main_~x~0) 4294967296))} is VALID [2022-04-08 09:26:02,342 INFO L290 TraceCheckUtils]: 18: Hoare triple {9789#(< 1 (mod (+ main_~x~0 4294967268) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9785#(< 1 (mod (+ main_~x~0 4294967270) 4294967296))} is VALID [2022-04-08 09:26:02,343 INFO L290 TraceCheckUtils]: 17: Hoare triple {9793#(< 1 (mod (+ main_~x~0 4294967266) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9789#(< 1 (mod (+ main_~x~0 4294967268) 4294967296))} is VALID [2022-04-08 09:26:02,344 INFO L290 TraceCheckUtils]: 16: Hoare triple {9797#(< 1 (mod (+ main_~x~0 4294967264) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9793#(< 1 (mod (+ main_~x~0 4294967266) 4294967296))} is VALID [2022-04-08 09:26:02,344 INFO L290 TraceCheckUtils]: 15: Hoare triple {9801#(< 1 (mod (+ main_~x~0 4294967262) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9797#(< 1 (mod (+ main_~x~0 4294967264) 4294967296))} is VALID [2022-04-08 09:26:02,345 INFO L290 TraceCheckUtils]: 14: Hoare triple {9805#(< 1 (mod (+ 4294967260 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9801#(< 1 (mod (+ main_~x~0 4294967262) 4294967296))} is VALID [2022-04-08 09:26:02,345 INFO L290 TraceCheckUtils]: 13: Hoare triple {9809#(< 1 (mod (+ main_~x~0 4294967258) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9805#(< 1 (mod (+ 4294967260 main_~x~0) 4294967296))} is VALID [2022-04-08 09:26:02,346 INFO L290 TraceCheckUtils]: 12: Hoare triple {9813#(< 1 (mod (+ main_~x~0 4294967256) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9809#(< 1 (mod (+ main_~x~0 4294967258) 4294967296))} is VALID [2022-04-08 09:26:02,347 INFO L290 TraceCheckUtils]: 11: Hoare triple {9817#(< 1 (mod (+ 4294967254 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9813#(< 1 (mod (+ main_~x~0 4294967256) 4294967296))} is VALID [2022-04-08 09:26:02,347 INFO L290 TraceCheckUtils]: 10: Hoare triple {9821#(< 1 (mod (+ main_~x~0 4294967252) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9817#(< 1 (mod (+ 4294967254 main_~x~0) 4294967296))} is VALID [2022-04-08 09:26:02,348 INFO L290 TraceCheckUtils]: 9: Hoare triple {9825#(< 1 (mod (+ 4294967250 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9821#(< 1 (mod (+ main_~x~0 4294967252) 4294967296))} is VALID [2022-04-08 09:26:02,349 INFO L290 TraceCheckUtils]: 8: Hoare triple {9829#(< 1 (mod (+ main_~x~0 4294967248) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9825#(< 1 (mod (+ 4294967250 main_~x~0) 4294967296))} is VALID [2022-04-08 09:26:02,350 INFO L290 TraceCheckUtils]: 7: Hoare triple {9833#(< 1 (mod (+ 4294967246 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9829#(< 1 (mod (+ main_~x~0 4294967248) 4294967296))} is VALID [2022-04-08 09:26:02,350 INFO L290 TraceCheckUtils]: 6: Hoare triple {9837#(< 1 (mod (+ main_~x~0 4294967244) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {9833#(< 1 (mod (+ 4294967246 main_~x~0) 4294967296))} is VALID [2022-04-08 09:26:02,351 INFO L290 TraceCheckUtils]: 5: Hoare triple {9576#true} ~x~0 := 268435441; {9837#(< 1 (mod (+ main_~x~0 4294967244) 4294967296))} is VALID [2022-04-08 09:26:02,351 INFO L272 TraceCheckUtils]: 4: Hoare triple {9576#true} call #t~ret4 := main(); {9576#true} is VALID [2022-04-08 09:26:02,351 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {9576#true} {9576#true} #34#return; {9576#true} is VALID [2022-04-08 09:26:02,351 INFO L290 TraceCheckUtils]: 2: Hoare triple {9576#true} assume true; {9576#true} is VALID [2022-04-08 09:26:02,351 INFO L290 TraceCheckUtils]: 1: Hoare triple {9576#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(13, 2);call #Ultimate.allocInit(12, 3); {9576#true} is VALID [2022-04-08 09:26:02,351 INFO L272 TraceCheckUtils]: 0: Hoare triple {9576#true} call ULTIMATE.init(); {9576#true} is VALID [2022-04-08 09:26:02,352 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:26:02,352 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [920931509] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-08 09:26:02,352 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-08 09:26:02,352 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 29, 29] total 58 [2022-04-08 09:26:02,352 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 09:26:02,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [2076016144] [2022-04-08 09:26:02,352 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [2076016144] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 09:26:02,352 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 09:26:02,353 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2022-04-08 09:26:02,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732967092] [2022-04-08 09:26:02,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 09:26:02,353 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 1.1) internal successors, (33), 29 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 [2022-04-08 09:26:02,353 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 09:26:02,353 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 30 states, 30 states have (on average 1.1) internal successors, (33), 29 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) [2022-04-08 09:26:02,374 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 37 edges. 37 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:26:02,374 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-04-08 09:26:02,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 09:26:02,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-04-08 09:26:02,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=896, Invalid=2410, Unknown=0, NotChecked=0, Total=3306 [2022-04-08 09:26:02,376 INFO L87 Difference]: Start difference. First operand 38 states and 38 transitions. Second operand has 30 states, 30 states have (on average 1.1) internal successors, (33), 29 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) [2022-04-08 09:26:04,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:26:04,032 INFO L93 Difference]: Finished difference Result 44 states and 44 transitions. [2022-04-08 09:26:04,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-04-08 09:26:04,033 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 1.1) internal successors, (33), 29 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 [2022-04-08 09:26:04,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 09:26:04,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 30 states have (on average 1.1) internal successors, (33), 29 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) [2022-04-08 09:26:04,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 44 transitions. [2022-04-08 09:26:04,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 30 states have (on average 1.1) internal successors, (33), 29 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) [2022-04-08 09:26:04,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 44 transitions. [2022-04-08 09:26:04,035 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 30 states and 44 transitions. [2022-04-08 09:26:04,081 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 44 edges. 44 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:26:04,082 INFO L225 Difference]: With dead ends: 44 [2022-04-08 09:26:04,082 INFO L226 Difference]: Without dead ends: 39 [2022-04-08 09:26:04,083 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 48 SyntacticMatches, 1 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 408 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=1785, Invalid=5355, Unknown=0, NotChecked=0, Total=7140 [2022-04-08 09:26:04,084 INFO L913 BasicCegarLoop]: 11 mSDtfsCounter, 6 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 809 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 864 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 809 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-04-08 09:26:04,084 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 118 Invalid, 864 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 809 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-04-08 09:26:04,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2022-04-08 09:26:04,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2022-04-08 09:26:04,128 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 09:26:04,128 INFO L82 GeneralOperation]: Start isEquivalent. First operand 39 states. Second operand has 39 states, 34 states have (on average 1.0294117647058822) internal successors, (35), 34 states have internal predecessors, (35), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:26:04,128 INFO L74 IsIncluded]: Start isIncluded. First operand 39 states. Second operand has 39 states, 34 states have (on average 1.0294117647058822) internal successors, (35), 34 states have internal predecessors, (35), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:26:04,128 INFO L87 Difference]: Start difference. First operand 39 states. Second operand has 39 states, 34 states have (on average 1.0294117647058822) internal successors, (35), 34 states have internal predecessors, (35), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:26:04,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:26:04,129 INFO L93 Difference]: Finished difference Result 39 states and 39 transitions. [2022-04-08 09:26:04,129 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 39 transitions. [2022-04-08 09:26:04,129 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:26:04,129 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:26:04,130 INFO L74 IsIncluded]: Start isIncluded. First operand has 39 states, 34 states have (on average 1.0294117647058822) internal successors, (35), 34 states have internal predecessors, (35), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 39 states. [2022-04-08 09:26:04,130 INFO L87 Difference]: Start difference. First operand has 39 states, 34 states have (on average 1.0294117647058822) internal successors, (35), 34 states have internal predecessors, (35), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 39 states. [2022-04-08 09:26:04,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:26:04,130 INFO L93 Difference]: Finished difference Result 39 states and 39 transitions. [2022-04-08 09:26:04,131 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 39 transitions. [2022-04-08 09:26:04,131 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:26:04,131 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:26:04,131 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 09:26:04,131 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 09:26:04,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 34 states have (on average 1.0294117647058822) internal successors, (35), 34 states have internal predecessors, (35), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:26:04,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 39 transitions. [2022-04-08 09:26:04,132 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 39 transitions. Word has length 37 [2022-04-08 09:26:04,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 09:26:04,132 INFO L478 AbstractCegarLoop]: Abstraction has 39 states and 39 transitions. [2022-04-08 09:26:04,132 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 1.1) internal successors, (33), 29 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) [2022-04-08 09:26:04,132 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 39 states and 39 transitions. [2022-04-08 09:26:04,165 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 39 edges. 39 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:26:04,165 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 39 transitions. [2022-04-08 09:26:04,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-04-08 09:26:04,165 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 09:26:04,165 INFO L499 BasicCegarLoop]: trace histogram [27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 09:26:04,182 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2022-04-08 09:26:04,366 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2022-04-08 09:26:04,366 INFO L403 AbstractCegarLoop]: === Iteration 29 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 09:26:04,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 09:26:04,366 INFO L85 PathProgramCache]: Analyzing trace with hash -148015050, now seen corresponding path program 53 times [2022-04-08 09:26:04,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 09:26:04,366 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1527119611] [2022-04-08 09:26:04,368 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-08 09:26:04,369 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-08 09:26:04,369 INFO L85 PathProgramCache]: Analyzing trace with hash -148015050, now seen corresponding path program 54 times [2022-04-08 09:26:04,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 09:26:04,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83052624] [2022-04-08 09:26:04,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 09:26:04,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 09:26:04,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:26:05,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-08 09:26:05,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:26:05,026 INFO L290 TraceCheckUtils]: 0: Hoare triple {10189#(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(13, 2);call #Ultimate.allocInit(12, 3); {10156#true} is VALID [2022-04-08 09:26:05,026 INFO L290 TraceCheckUtils]: 1: Hoare triple {10156#true} assume true; {10156#true} is VALID [2022-04-08 09:26:05,026 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {10156#true} {10156#true} #34#return; {10156#true} is VALID [2022-04-08 09:26:05,027 INFO L272 TraceCheckUtils]: 0: Hoare triple {10156#true} call ULTIMATE.init(); {10189#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-08 09:26:05,027 INFO L290 TraceCheckUtils]: 1: Hoare triple {10189#(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(13, 2);call #Ultimate.allocInit(12, 3); {10156#true} is VALID [2022-04-08 09:26:05,027 INFO L290 TraceCheckUtils]: 2: Hoare triple {10156#true} assume true; {10156#true} is VALID [2022-04-08 09:26:05,027 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {10156#true} {10156#true} #34#return; {10156#true} is VALID [2022-04-08 09:26:05,027 INFO L272 TraceCheckUtils]: 4: Hoare triple {10156#true} call #t~ret4 := main(); {10156#true} is VALID [2022-04-08 09:26:05,028 INFO L290 TraceCheckUtils]: 5: Hoare triple {10156#true} ~x~0 := 268435441; {10161#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:26:05,029 INFO L290 TraceCheckUtils]: 6: Hoare triple {10161#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10162#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:26:05,029 INFO L290 TraceCheckUtils]: 7: Hoare triple {10162#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10163#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:26:05,030 INFO L290 TraceCheckUtils]: 8: Hoare triple {10163#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10164#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:26:05,031 INFO L290 TraceCheckUtils]: 9: Hoare triple {10164#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10165#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:26:05,031 INFO L290 TraceCheckUtils]: 10: Hoare triple {10165#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10166#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:26:05,032 INFO L290 TraceCheckUtils]: 11: Hoare triple {10166#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10167#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:26:05,033 INFO L290 TraceCheckUtils]: 12: Hoare triple {10167#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10168#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:26:05,033 INFO L290 TraceCheckUtils]: 13: Hoare triple {10168#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10169#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:26:05,034 INFO L290 TraceCheckUtils]: 14: Hoare triple {10169#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10170#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:26:05,034 INFO L290 TraceCheckUtils]: 15: Hoare triple {10170#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10171#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:26:05,035 INFO L290 TraceCheckUtils]: 16: Hoare triple {10171#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10172#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:26:05,036 INFO L290 TraceCheckUtils]: 17: Hoare triple {10172#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10173#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:26:05,036 INFO L290 TraceCheckUtils]: 18: Hoare triple {10173#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10174#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:26:05,037 INFO L290 TraceCheckUtils]: 19: Hoare triple {10174#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10175#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} is VALID [2022-04-08 09:26:05,038 INFO L290 TraceCheckUtils]: 20: Hoare triple {10175#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10176#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} is VALID [2022-04-08 09:26:05,038 INFO L290 TraceCheckUtils]: 21: Hoare triple {10176#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10177#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} is VALID [2022-04-08 09:26:05,039 INFO L290 TraceCheckUtils]: 22: Hoare triple {10177#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10178#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} is VALID [2022-04-08 09:26:05,040 INFO L290 TraceCheckUtils]: 23: Hoare triple {10178#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10179#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} is VALID [2022-04-08 09:26:05,040 INFO L290 TraceCheckUtils]: 24: Hoare triple {10179#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10180#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} is VALID [2022-04-08 09:26:05,041 INFO L290 TraceCheckUtils]: 25: Hoare triple {10180#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10181#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} is VALID [2022-04-08 09:26:05,041 INFO L290 TraceCheckUtils]: 26: Hoare triple {10181#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10182#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} is VALID [2022-04-08 09:26:05,042 INFO L290 TraceCheckUtils]: 27: Hoare triple {10182#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10183#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} is VALID [2022-04-08 09:26:05,043 INFO L290 TraceCheckUtils]: 28: Hoare triple {10183#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10184#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} is VALID [2022-04-08 09:26:05,043 INFO L290 TraceCheckUtils]: 29: Hoare triple {10184#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10185#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} is VALID [2022-04-08 09:26:05,044 INFO L290 TraceCheckUtils]: 30: Hoare triple {10185#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10186#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} is VALID [2022-04-08 09:26:05,045 INFO L290 TraceCheckUtils]: 31: Hoare triple {10186#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10187#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} is VALID [2022-04-08 09:26:05,045 INFO L290 TraceCheckUtils]: 32: Hoare triple {10187#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10188#(and (<= (div main_~x~0 4294967296) 0) (<= 268435387 main_~x~0))} is VALID [2022-04-08 09:26:05,046 INFO L290 TraceCheckUtils]: 33: Hoare triple {10188#(and (<= (div main_~x~0 4294967296) 0) (<= 268435387 main_~x~0))} assume !(~x~0 % 4294967296 > 1); {10157#false} is VALID [2022-04-08 09:26:05,046 INFO L272 TraceCheckUtils]: 34: Hoare triple {10157#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)); {10157#false} is VALID [2022-04-08 09:26:05,046 INFO L290 TraceCheckUtils]: 35: Hoare triple {10157#false} ~cond := #in~cond; {10157#false} is VALID [2022-04-08 09:26:05,046 INFO L290 TraceCheckUtils]: 36: Hoare triple {10157#false} assume 0 == ~cond; {10157#false} is VALID [2022-04-08 09:26:05,046 INFO L290 TraceCheckUtils]: 37: Hoare triple {10157#false} assume !false; {10157#false} is VALID [2022-04-08 09:26:05,047 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:26:05,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 09:26:05,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83052624] [2022-04-08 09:26:05,047 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83052624] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-08 09:26:05,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [660858142] [2022-04-08 09:26:05,047 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-04-08 09:26:05,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 09:26:05,048 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 09:26:05,052 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) [2022-04-08 09:26:05,054 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2022-04-08 09:26:07,319 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 15 check-sat command(s) [2022-04-08 09:26:07,319 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 09:26:07,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 57 conjunts are in the unsatisfiable core [2022-04-08 09:26:07,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:26:07,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 09:26:07,718 INFO L272 TraceCheckUtils]: 0: Hoare triple {10156#true} call ULTIMATE.init(); {10156#true} is VALID [2022-04-08 09:26:07,718 INFO L290 TraceCheckUtils]: 1: Hoare triple {10156#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(13, 2);call #Ultimate.allocInit(12, 3); {10156#true} is VALID [2022-04-08 09:26:07,718 INFO L290 TraceCheckUtils]: 2: Hoare triple {10156#true} assume true; {10156#true} is VALID [2022-04-08 09:26:07,718 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {10156#true} {10156#true} #34#return; {10156#true} is VALID [2022-04-08 09:26:07,719 INFO L272 TraceCheckUtils]: 4: Hoare triple {10156#true} call #t~ret4 := main(); {10156#true} is VALID [2022-04-08 09:26:07,719 INFO L290 TraceCheckUtils]: 5: Hoare triple {10156#true} ~x~0 := 268435441; {10161#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:26:07,720 INFO L290 TraceCheckUtils]: 6: Hoare triple {10161#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10162#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:26:07,720 INFO L290 TraceCheckUtils]: 7: Hoare triple {10162#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10163#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:26:07,721 INFO L290 TraceCheckUtils]: 8: Hoare triple {10163#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10164#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:26:07,721 INFO L290 TraceCheckUtils]: 9: Hoare triple {10164#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10165#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:26:07,722 INFO L290 TraceCheckUtils]: 10: Hoare triple {10165#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10166#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:26:07,722 INFO L290 TraceCheckUtils]: 11: Hoare triple {10166#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10167#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:26:07,723 INFO L290 TraceCheckUtils]: 12: Hoare triple {10167#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10168#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:26:07,723 INFO L290 TraceCheckUtils]: 13: Hoare triple {10168#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10169#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:26:07,724 INFO L290 TraceCheckUtils]: 14: Hoare triple {10169#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10170#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:26:07,724 INFO L290 TraceCheckUtils]: 15: Hoare triple {10170#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10171#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:26:07,725 INFO L290 TraceCheckUtils]: 16: Hoare triple {10171#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10172#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:26:07,725 INFO L290 TraceCheckUtils]: 17: Hoare triple {10172#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10173#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:26:07,726 INFO L290 TraceCheckUtils]: 18: Hoare triple {10173#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10174#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:26:07,726 INFO L290 TraceCheckUtils]: 19: Hoare triple {10174#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10175#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} is VALID [2022-04-08 09:26:07,727 INFO L290 TraceCheckUtils]: 20: Hoare triple {10175#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10176#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} is VALID [2022-04-08 09:26:07,727 INFO L290 TraceCheckUtils]: 21: Hoare triple {10176#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10177#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} is VALID [2022-04-08 09:26:07,728 INFO L290 TraceCheckUtils]: 22: Hoare triple {10177#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10178#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} is VALID [2022-04-08 09:26:07,728 INFO L290 TraceCheckUtils]: 23: Hoare triple {10178#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10179#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} is VALID [2022-04-08 09:26:07,729 INFO L290 TraceCheckUtils]: 24: Hoare triple {10179#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10180#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} is VALID [2022-04-08 09:26:07,729 INFO L290 TraceCheckUtils]: 25: Hoare triple {10180#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10181#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} is VALID [2022-04-08 09:26:07,730 INFO L290 TraceCheckUtils]: 26: Hoare triple {10181#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10182#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} is VALID [2022-04-08 09:26:07,730 INFO L290 TraceCheckUtils]: 27: Hoare triple {10182#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10183#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} is VALID [2022-04-08 09:26:07,731 INFO L290 TraceCheckUtils]: 28: Hoare triple {10183#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10184#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} is VALID [2022-04-08 09:26:07,731 INFO L290 TraceCheckUtils]: 29: Hoare triple {10184#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10185#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} is VALID [2022-04-08 09:26:07,732 INFO L290 TraceCheckUtils]: 30: Hoare triple {10185#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10186#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} is VALID [2022-04-08 09:26:07,732 INFO L290 TraceCheckUtils]: 31: Hoare triple {10186#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10187#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} is VALID [2022-04-08 09:26:07,733 INFO L290 TraceCheckUtils]: 32: Hoare triple {10187#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10289#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} is VALID [2022-04-08 09:26:07,733 INFO L290 TraceCheckUtils]: 33: Hoare triple {10289#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} assume !(~x~0 % 4294967296 > 1); {10157#false} is VALID [2022-04-08 09:26:07,734 INFO L272 TraceCheckUtils]: 34: Hoare triple {10157#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)); {10157#false} is VALID [2022-04-08 09:26:07,734 INFO L290 TraceCheckUtils]: 35: Hoare triple {10157#false} ~cond := #in~cond; {10157#false} is VALID [2022-04-08 09:26:07,734 INFO L290 TraceCheckUtils]: 36: Hoare triple {10157#false} assume 0 == ~cond; {10157#false} is VALID [2022-04-08 09:26:07,734 INFO L290 TraceCheckUtils]: 37: Hoare triple {10157#false} assume !false; {10157#false} is VALID [2022-04-08 09:26:07,734 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:26:07,734 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 09:26:09,031 INFO L290 TraceCheckUtils]: 37: Hoare triple {10157#false} assume !false; {10157#false} is VALID [2022-04-08 09:26:09,031 INFO L290 TraceCheckUtils]: 36: Hoare triple {10157#false} assume 0 == ~cond; {10157#false} is VALID [2022-04-08 09:26:09,031 INFO L290 TraceCheckUtils]: 35: Hoare triple {10157#false} ~cond := #in~cond; {10157#false} is VALID [2022-04-08 09:26:09,031 INFO L272 TraceCheckUtils]: 34: Hoare triple {10157#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)); {10157#false} is VALID [2022-04-08 09:26:09,031 INFO L290 TraceCheckUtils]: 33: Hoare triple {10317#(< 1 (mod main_~x~0 4294967296))} assume !(~x~0 % 4294967296 > 1); {10157#false} is VALID [2022-04-08 09:26:09,032 INFO L290 TraceCheckUtils]: 32: Hoare triple {10321#(< 1 (mod (+ main_~x~0 4294967294) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10317#(< 1 (mod main_~x~0 4294967296))} is VALID [2022-04-08 09:26:09,033 INFO L290 TraceCheckUtils]: 31: Hoare triple {10325#(< 1 (mod (+ 4294967292 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10321#(< 1 (mod (+ main_~x~0 4294967294) 4294967296))} is VALID [2022-04-08 09:26:09,034 INFO L290 TraceCheckUtils]: 30: Hoare triple {10329#(< 1 (mod (+ 4294967290 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10325#(< 1 (mod (+ 4294967292 main_~x~0) 4294967296))} is VALID [2022-04-08 09:26:09,034 INFO L290 TraceCheckUtils]: 29: Hoare triple {10333#(< 1 (mod (+ 4294967288 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10329#(< 1 (mod (+ 4294967290 main_~x~0) 4294967296))} is VALID [2022-04-08 09:26:09,035 INFO L290 TraceCheckUtils]: 28: Hoare triple {10337#(< 1 (mod (+ main_~x~0 4294967286) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10333#(< 1 (mod (+ 4294967288 main_~x~0) 4294967296))} is VALID [2022-04-08 09:26:09,036 INFO L290 TraceCheckUtils]: 27: Hoare triple {10341#(< 1 (mod (+ main_~x~0 4294967284) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10337#(< 1 (mod (+ main_~x~0 4294967286) 4294967296))} is VALID [2022-04-08 09:26:09,036 INFO L290 TraceCheckUtils]: 26: Hoare triple {10345#(< 1 (mod (+ 4294967282 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10341#(< 1 (mod (+ main_~x~0 4294967284) 4294967296))} is VALID [2022-04-08 09:26:09,037 INFO L290 TraceCheckUtils]: 25: Hoare triple {10349#(< 1 (mod (+ main_~x~0 4294967280) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10345#(< 1 (mod (+ 4294967282 main_~x~0) 4294967296))} is VALID [2022-04-08 09:26:09,038 INFO L290 TraceCheckUtils]: 24: Hoare triple {10353#(< 1 (mod (+ main_~x~0 4294967278) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10349#(< 1 (mod (+ main_~x~0 4294967280) 4294967296))} is VALID [2022-04-08 09:26:09,038 INFO L290 TraceCheckUtils]: 23: Hoare triple {10357#(< 1 (mod (+ 4294967276 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10353#(< 1 (mod (+ main_~x~0 4294967278) 4294967296))} is VALID [2022-04-08 09:26:09,044 INFO L290 TraceCheckUtils]: 22: Hoare triple {10361#(< 1 (mod (+ 4294967274 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10357#(< 1 (mod (+ 4294967276 main_~x~0) 4294967296))} is VALID [2022-04-08 09:26:09,045 INFO L290 TraceCheckUtils]: 21: Hoare triple {10365#(< 1 (mod (+ 4294967272 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10361#(< 1 (mod (+ 4294967274 main_~x~0) 4294967296))} is VALID [2022-04-08 09:26:09,046 INFO L290 TraceCheckUtils]: 20: Hoare triple {10369#(< 1 (mod (+ main_~x~0 4294967270) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10365#(< 1 (mod (+ 4294967272 main_~x~0) 4294967296))} is VALID [2022-04-08 09:26:09,047 INFO L290 TraceCheckUtils]: 19: Hoare triple {10373#(< 1 (mod (+ main_~x~0 4294967268) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10369#(< 1 (mod (+ main_~x~0 4294967270) 4294967296))} is VALID [2022-04-08 09:26:09,047 INFO L290 TraceCheckUtils]: 18: Hoare triple {10377#(< 1 (mod (+ main_~x~0 4294967266) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10373#(< 1 (mod (+ main_~x~0 4294967268) 4294967296))} is VALID [2022-04-08 09:26:09,048 INFO L290 TraceCheckUtils]: 17: Hoare triple {10381#(< 1 (mod (+ main_~x~0 4294967264) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10377#(< 1 (mod (+ main_~x~0 4294967266) 4294967296))} is VALID [2022-04-08 09:26:09,049 INFO L290 TraceCheckUtils]: 16: Hoare triple {10385#(< 1 (mod (+ main_~x~0 4294967262) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10381#(< 1 (mod (+ main_~x~0 4294967264) 4294967296))} is VALID [2022-04-08 09:26:09,049 INFO L290 TraceCheckUtils]: 15: Hoare triple {10389#(< 1 (mod (+ 4294967260 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10385#(< 1 (mod (+ main_~x~0 4294967262) 4294967296))} is VALID [2022-04-08 09:26:09,050 INFO L290 TraceCheckUtils]: 14: Hoare triple {10393#(< 1 (mod (+ main_~x~0 4294967258) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10389#(< 1 (mod (+ 4294967260 main_~x~0) 4294967296))} is VALID [2022-04-08 09:26:09,051 INFO L290 TraceCheckUtils]: 13: Hoare triple {10397#(< 1 (mod (+ main_~x~0 4294967256) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10393#(< 1 (mod (+ main_~x~0 4294967258) 4294967296))} is VALID [2022-04-08 09:26:09,052 INFO L290 TraceCheckUtils]: 12: Hoare triple {10401#(< 1 (mod (+ 4294967254 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10397#(< 1 (mod (+ main_~x~0 4294967256) 4294967296))} is VALID [2022-04-08 09:26:09,053 INFO L290 TraceCheckUtils]: 11: Hoare triple {10405#(< 1 (mod (+ main_~x~0 4294967252) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10401#(< 1 (mod (+ 4294967254 main_~x~0) 4294967296))} is VALID [2022-04-08 09:26:09,053 INFO L290 TraceCheckUtils]: 10: Hoare triple {10409#(< 1 (mod (+ 4294967250 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10405#(< 1 (mod (+ main_~x~0 4294967252) 4294967296))} is VALID [2022-04-08 09:26:09,054 INFO L290 TraceCheckUtils]: 9: Hoare triple {10413#(< 1 (mod (+ main_~x~0 4294967248) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10409#(< 1 (mod (+ 4294967250 main_~x~0) 4294967296))} is VALID [2022-04-08 09:26:09,055 INFO L290 TraceCheckUtils]: 8: Hoare triple {10417#(< 1 (mod (+ 4294967246 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10413#(< 1 (mod (+ main_~x~0 4294967248) 4294967296))} is VALID [2022-04-08 09:26:09,055 INFO L290 TraceCheckUtils]: 7: Hoare triple {10421#(< 1 (mod (+ main_~x~0 4294967244) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10417#(< 1 (mod (+ 4294967246 main_~x~0) 4294967296))} is VALID [2022-04-08 09:26:09,056 INFO L290 TraceCheckUtils]: 6: Hoare triple {10425#(< 1 (mod (+ main_~x~0 4294967242) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10421#(< 1 (mod (+ main_~x~0 4294967244) 4294967296))} is VALID [2022-04-08 09:26:09,056 INFO L290 TraceCheckUtils]: 5: Hoare triple {10156#true} ~x~0 := 268435441; {10425#(< 1 (mod (+ main_~x~0 4294967242) 4294967296))} is VALID [2022-04-08 09:26:09,056 INFO L272 TraceCheckUtils]: 4: Hoare triple {10156#true} call #t~ret4 := main(); {10156#true} is VALID [2022-04-08 09:26:09,057 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {10156#true} {10156#true} #34#return; {10156#true} is VALID [2022-04-08 09:26:09,057 INFO L290 TraceCheckUtils]: 2: Hoare triple {10156#true} assume true; {10156#true} is VALID [2022-04-08 09:26:09,057 INFO L290 TraceCheckUtils]: 1: Hoare triple {10156#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(13, 2);call #Ultimate.allocInit(12, 3); {10156#true} is VALID [2022-04-08 09:26:09,057 INFO L272 TraceCheckUtils]: 0: Hoare triple {10156#true} call ULTIMATE.init(); {10156#true} is VALID [2022-04-08 09:26:09,057 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:26:09,058 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [660858142] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-08 09:26:09,058 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-08 09:26:09,058 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 30, 30] total 60 [2022-04-08 09:26:09,058 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 09:26:09,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1527119611] [2022-04-08 09:26:09,058 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1527119611] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 09:26:09,058 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 09:26:09,059 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2022-04-08 09:26:09,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132680643] [2022-04-08 09:26:09,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 09:26:09,059 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 1.096774193548387) internal successors, (34), 30 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 [2022-04-08 09:26:09,059 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 09:26:09,059 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 31 states, 31 states have (on average 1.096774193548387) internal successors, (34), 30 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) [2022-04-08 09:26:09,093 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 38 edges. 38 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:26:09,093 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-04-08 09:26:09,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 09:26:09,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-04-08 09:26:09,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=957, Invalid=2583, Unknown=0, NotChecked=0, Total=3540 [2022-04-08 09:26:09,094 INFO L87 Difference]: Start difference. First operand 39 states and 39 transitions. Second operand has 31 states, 31 states have (on average 1.096774193548387) internal successors, (34), 30 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) [2022-04-08 09:26:10,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:26:10,846 INFO L93 Difference]: Finished difference Result 45 states and 45 transitions. [2022-04-08 09:26:10,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-04-08 09:26:10,846 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 1.096774193548387) internal successors, (34), 30 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 [2022-04-08 09:26:10,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 09:26:10,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 31 states have (on average 1.096774193548387) internal successors, (34), 30 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) [2022-04-08 09:26:10,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 45 transitions. [2022-04-08 09:26:10,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 31 states have (on average 1.096774193548387) internal successors, (34), 30 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) [2022-04-08 09:26:10,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 45 transitions. [2022-04-08 09:26:10,849 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 31 states and 45 transitions. [2022-04-08 09:26:10,890 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 45 edges. 45 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:26:10,890 INFO L225 Difference]: With dead ends: 45 [2022-04-08 09:26:10,890 INFO L226 Difference]: Without dead ends: 40 [2022-04-08 09:26:10,891 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 49 SyntacticMatches, 1 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 437 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=1907, Invalid=5749, Unknown=0, NotChecked=0, Total=7656 [2022-04-08 09:26:10,892 INFO L913 BasicCegarLoop]: 11 mSDtfsCounter, 6 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 838 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 895 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 838 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-04-08 09:26:10,892 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 93 Invalid, 895 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 838 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-04-08 09:26:10,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2022-04-08 09:26:10,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2022-04-08 09:26:10,935 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 09:26:10,936 INFO L82 GeneralOperation]: Start isEquivalent. First operand 40 states. Second operand has 40 states, 35 states have (on average 1.0285714285714285) internal successors, (36), 35 states have internal predecessors, (36), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:26:10,936 INFO L74 IsIncluded]: Start isIncluded. First operand 40 states. Second operand has 40 states, 35 states have (on average 1.0285714285714285) internal successors, (36), 35 states have internal predecessors, (36), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:26:10,936 INFO L87 Difference]: Start difference. First operand 40 states. Second operand has 40 states, 35 states have (on average 1.0285714285714285) internal successors, (36), 35 states have internal predecessors, (36), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:26:10,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:26:10,936 INFO L93 Difference]: Finished difference Result 40 states and 40 transitions. [2022-04-08 09:26:10,936 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 40 transitions. [2022-04-08 09:26:10,937 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:26:10,937 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:26:10,937 INFO L74 IsIncluded]: Start isIncluded. First operand has 40 states, 35 states have (on average 1.0285714285714285) internal successors, (36), 35 states have internal predecessors, (36), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 40 states. [2022-04-08 09:26:10,937 INFO L87 Difference]: Start difference. First operand has 40 states, 35 states have (on average 1.0285714285714285) internal successors, (36), 35 states have internal predecessors, (36), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 40 states. [2022-04-08 09:26:10,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:26:10,938 INFO L93 Difference]: Finished difference Result 40 states and 40 transitions. [2022-04-08 09:26:10,938 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 40 transitions. [2022-04-08 09:26:10,938 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:26:10,938 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:26:10,938 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 09:26:10,938 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 09:26:10,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 35 states have (on average 1.0285714285714285) internal successors, (36), 35 states have internal predecessors, (36), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:26:10,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 40 transitions. [2022-04-08 09:26:10,939 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 40 transitions. Word has length 38 [2022-04-08 09:26:10,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 09:26:10,939 INFO L478 AbstractCegarLoop]: Abstraction has 40 states and 40 transitions. [2022-04-08 09:26:10,939 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 1.096774193548387) internal successors, (34), 30 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) [2022-04-08 09:26:10,940 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 40 states and 40 transitions. [2022-04-08 09:26:10,973 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 40 edges. 40 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:26:10,973 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 40 transitions. [2022-04-08 09:26:10,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-04-08 09:26:10,974 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 09:26:10,974 INFO L499 BasicCegarLoop]: trace histogram [28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 09:26:10,979 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2022-04-08 09:26:11,174 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2022-04-08 09:26:11,175 INFO L403 AbstractCegarLoop]: === Iteration 30 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 09:26:11,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 09:26:11,175 INFO L85 PathProgramCache]: Analyzing trace with hash -257037988, now seen corresponding path program 55 times [2022-04-08 09:26:11,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 09:26:11,175 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [2039035606] [2022-04-08 09:26:11,177 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-08 09:26:11,177 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-08 09:26:11,177 INFO L85 PathProgramCache]: Analyzing trace with hash -257037988, now seen corresponding path program 56 times [2022-04-08 09:26:11,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 09:26:11,178 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136723195] [2022-04-08 09:26:11,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 09:26:11,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 09:26:11,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:26:11,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-08 09:26:11,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:26:11,863 INFO L290 TraceCheckUtils]: 0: Hoare triple {10786#(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(13, 2);call #Ultimate.allocInit(12, 3); {10752#true} is VALID [2022-04-08 09:26:11,863 INFO L290 TraceCheckUtils]: 1: Hoare triple {10752#true} assume true; {10752#true} is VALID [2022-04-08 09:26:11,864 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {10752#true} {10752#true} #34#return; {10752#true} is VALID [2022-04-08 09:26:11,864 INFO L272 TraceCheckUtils]: 0: Hoare triple {10752#true} call ULTIMATE.init(); {10786#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-08 09:26:11,864 INFO L290 TraceCheckUtils]: 1: Hoare triple {10786#(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(13, 2);call #Ultimate.allocInit(12, 3); {10752#true} is VALID [2022-04-08 09:26:11,864 INFO L290 TraceCheckUtils]: 2: Hoare triple {10752#true} assume true; {10752#true} is VALID [2022-04-08 09:26:11,864 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {10752#true} {10752#true} #34#return; {10752#true} is VALID [2022-04-08 09:26:11,864 INFO L272 TraceCheckUtils]: 4: Hoare triple {10752#true} call #t~ret4 := main(); {10752#true} is VALID [2022-04-08 09:26:11,865 INFO L290 TraceCheckUtils]: 5: Hoare triple {10752#true} ~x~0 := 268435441; {10757#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:26:11,865 INFO L290 TraceCheckUtils]: 6: Hoare triple {10757#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10758#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:26:11,866 INFO L290 TraceCheckUtils]: 7: Hoare triple {10758#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10759#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:26:11,866 INFO L290 TraceCheckUtils]: 8: Hoare triple {10759#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10760#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:26:11,867 INFO L290 TraceCheckUtils]: 9: Hoare triple {10760#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10761#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:26:11,867 INFO L290 TraceCheckUtils]: 10: Hoare triple {10761#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10762#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:26:11,868 INFO L290 TraceCheckUtils]: 11: Hoare triple {10762#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10763#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:26:11,869 INFO L290 TraceCheckUtils]: 12: Hoare triple {10763#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10764#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:26:11,869 INFO L290 TraceCheckUtils]: 13: Hoare triple {10764#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10765#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:26:11,870 INFO L290 TraceCheckUtils]: 14: Hoare triple {10765#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10766#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:26:11,870 INFO L290 TraceCheckUtils]: 15: Hoare triple {10766#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10767#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:26:11,871 INFO L290 TraceCheckUtils]: 16: Hoare triple {10767#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10768#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:26:11,875 INFO L290 TraceCheckUtils]: 17: Hoare triple {10768#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10769#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:26:11,876 INFO L290 TraceCheckUtils]: 18: Hoare triple {10769#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10770#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:26:11,876 INFO L290 TraceCheckUtils]: 19: Hoare triple {10770#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10771#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} is VALID [2022-04-08 09:26:11,877 INFO L290 TraceCheckUtils]: 20: Hoare triple {10771#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10772#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} is VALID [2022-04-08 09:26:11,877 INFO L290 TraceCheckUtils]: 21: Hoare triple {10772#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10773#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} is VALID [2022-04-08 09:26:11,878 INFO L290 TraceCheckUtils]: 22: Hoare triple {10773#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10774#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} is VALID [2022-04-08 09:26:11,878 INFO L290 TraceCheckUtils]: 23: Hoare triple {10774#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10775#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} is VALID [2022-04-08 09:26:11,879 INFO L290 TraceCheckUtils]: 24: Hoare triple {10775#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10776#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} is VALID [2022-04-08 09:26:11,879 INFO L290 TraceCheckUtils]: 25: Hoare triple {10776#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10777#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} is VALID [2022-04-08 09:26:11,880 INFO L290 TraceCheckUtils]: 26: Hoare triple {10777#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10778#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} is VALID [2022-04-08 09:26:11,880 INFO L290 TraceCheckUtils]: 27: Hoare triple {10778#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10779#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} is VALID [2022-04-08 09:26:11,881 INFO L290 TraceCheckUtils]: 28: Hoare triple {10779#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10780#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} is VALID [2022-04-08 09:26:11,881 INFO L290 TraceCheckUtils]: 29: Hoare triple {10780#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10781#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} is VALID [2022-04-08 09:26:11,882 INFO L290 TraceCheckUtils]: 30: Hoare triple {10781#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10782#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} is VALID [2022-04-08 09:26:11,882 INFO L290 TraceCheckUtils]: 31: Hoare triple {10782#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10783#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} is VALID [2022-04-08 09:26:11,883 INFO L290 TraceCheckUtils]: 32: Hoare triple {10783#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10784#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} is VALID [2022-04-08 09:26:11,883 INFO L290 TraceCheckUtils]: 33: Hoare triple {10784#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10785#(and (<= (div main_~x~0 4294967296) 0) (<= 268435385 main_~x~0))} is VALID [2022-04-08 09:26:11,884 INFO L290 TraceCheckUtils]: 34: Hoare triple {10785#(and (<= (div main_~x~0 4294967296) 0) (<= 268435385 main_~x~0))} assume !(~x~0 % 4294967296 > 1); {10753#false} is VALID [2022-04-08 09:26:11,884 INFO L272 TraceCheckUtils]: 35: Hoare triple {10753#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)); {10753#false} is VALID [2022-04-08 09:26:11,884 INFO L290 TraceCheckUtils]: 36: Hoare triple {10753#false} ~cond := #in~cond; {10753#false} is VALID [2022-04-08 09:26:11,884 INFO L290 TraceCheckUtils]: 37: Hoare triple {10753#false} assume 0 == ~cond; {10753#false} is VALID [2022-04-08 09:26:11,884 INFO L290 TraceCheckUtils]: 38: Hoare triple {10753#false} assume !false; {10753#false} is VALID [2022-04-08 09:26:11,885 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:26:11,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 09:26:11,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136723195] [2022-04-08 09:26:11,885 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136723195] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-08 09:26:11,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [707566323] [2022-04-08 09:26:11,885 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-08 09:26:11,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 09:26:11,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 09:26:11,887 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) [2022-04-08 09:26:11,887 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2022-04-08 09:26:11,946 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-08 09:26:11,946 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 09:26:11,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 59 conjunts are in the unsatisfiable core [2022-04-08 09:26:11,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:26:11,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 09:26:12,344 INFO L272 TraceCheckUtils]: 0: Hoare triple {10752#true} call ULTIMATE.init(); {10752#true} is VALID [2022-04-08 09:26:12,345 INFO L290 TraceCheckUtils]: 1: Hoare triple {10752#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(13, 2);call #Ultimate.allocInit(12, 3); {10752#true} is VALID [2022-04-08 09:26:12,345 INFO L290 TraceCheckUtils]: 2: Hoare triple {10752#true} assume true; {10752#true} is VALID [2022-04-08 09:26:12,345 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {10752#true} {10752#true} #34#return; {10752#true} is VALID [2022-04-08 09:26:12,345 INFO L272 TraceCheckUtils]: 4: Hoare triple {10752#true} call #t~ret4 := main(); {10752#true} is VALID [2022-04-08 09:26:12,345 INFO L290 TraceCheckUtils]: 5: Hoare triple {10752#true} ~x~0 := 268435441; {10757#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:26:12,346 INFO L290 TraceCheckUtils]: 6: Hoare triple {10757#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10758#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:26:12,346 INFO L290 TraceCheckUtils]: 7: Hoare triple {10758#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10759#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:26:12,347 INFO L290 TraceCheckUtils]: 8: Hoare triple {10759#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10760#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:26:12,347 INFO L290 TraceCheckUtils]: 9: Hoare triple {10760#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10761#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:26:12,348 INFO L290 TraceCheckUtils]: 10: Hoare triple {10761#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10762#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:26:12,348 INFO L290 TraceCheckUtils]: 11: Hoare triple {10762#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10763#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:26:12,349 INFO L290 TraceCheckUtils]: 12: Hoare triple {10763#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10764#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:26:12,349 INFO L290 TraceCheckUtils]: 13: Hoare triple {10764#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10765#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:26:12,350 INFO L290 TraceCheckUtils]: 14: Hoare triple {10765#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10766#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:26:12,351 INFO L290 TraceCheckUtils]: 15: Hoare triple {10766#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10767#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:26:12,351 INFO L290 TraceCheckUtils]: 16: Hoare triple {10767#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10768#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:26:12,352 INFO L290 TraceCheckUtils]: 17: Hoare triple {10768#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10769#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:26:12,352 INFO L290 TraceCheckUtils]: 18: Hoare triple {10769#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10770#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:26:12,353 INFO L290 TraceCheckUtils]: 19: Hoare triple {10770#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10771#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} is VALID [2022-04-08 09:26:12,353 INFO L290 TraceCheckUtils]: 20: Hoare triple {10771#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10772#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} is VALID [2022-04-08 09:26:12,354 INFO L290 TraceCheckUtils]: 21: Hoare triple {10772#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10773#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} is VALID [2022-04-08 09:26:12,354 INFO L290 TraceCheckUtils]: 22: Hoare triple {10773#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10774#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} is VALID [2022-04-08 09:26:12,355 INFO L290 TraceCheckUtils]: 23: Hoare triple {10774#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10775#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} is VALID [2022-04-08 09:26:12,355 INFO L290 TraceCheckUtils]: 24: Hoare triple {10775#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10776#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} is VALID [2022-04-08 09:26:12,356 INFO L290 TraceCheckUtils]: 25: Hoare triple {10776#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10777#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} is VALID [2022-04-08 09:26:12,356 INFO L290 TraceCheckUtils]: 26: Hoare triple {10777#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10778#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} is VALID [2022-04-08 09:26:12,357 INFO L290 TraceCheckUtils]: 27: Hoare triple {10778#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10779#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} is VALID [2022-04-08 09:26:12,357 INFO L290 TraceCheckUtils]: 28: Hoare triple {10779#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10780#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} is VALID [2022-04-08 09:26:12,358 INFO L290 TraceCheckUtils]: 29: Hoare triple {10780#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10781#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} is VALID [2022-04-08 09:26:12,358 INFO L290 TraceCheckUtils]: 30: Hoare triple {10781#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10782#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} is VALID [2022-04-08 09:26:12,359 INFO L290 TraceCheckUtils]: 31: Hoare triple {10782#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10783#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} is VALID [2022-04-08 09:26:12,359 INFO L290 TraceCheckUtils]: 32: Hoare triple {10783#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10784#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} is VALID [2022-04-08 09:26:12,360 INFO L290 TraceCheckUtils]: 33: Hoare triple {10784#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10889#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} is VALID [2022-04-08 09:26:12,360 INFO L290 TraceCheckUtils]: 34: Hoare triple {10889#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} assume !(~x~0 % 4294967296 > 1); {10753#false} is VALID [2022-04-08 09:26:12,360 INFO L272 TraceCheckUtils]: 35: Hoare triple {10753#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)); {10753#false} is VALID [2022-04-08 09:26:12,360 INFO L290 TraceCheckUtils]: 36: Hoare triple {10753#false} ~cond := #in~cond; {10753#false} is VALID [2022-04-08 09:26:12,361 INFO L290 TraceCheckUtils]: 37: Hoare triple {10753#false} assume 0 == ~cond; {10753#false} is VALID [2022-04-08 09:26:12,361 INFO L290 TraceCheckUtils]: 38: Hoare triple {10753#false} assume !false; {10753#false} is VALID [2022-04-08 09:26:12,361 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:26:12,361 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 09:26:13,869 INFO L290 TraceCheckUtils]: 38: Hoare triple {10753#false} assume !false; {10753#false} is VALID [2022-04-08 09:26:13,870 INFO L290 TraceCheckUtils]: 37: Hoare triple {10753#false} assume 0 == ~cond; {10753#false} is VALID [2022-04-08 09:26:13,870 INFO L290 TraceCheckUtils]: 36: Hoare triple {10753#false} ~cond := #in~cond; {10753#false} is VALID [2022-04-08 09:26:13,870 INFO L272 TraceCheckUtils]: 35: Hoare triple {10753#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)); {10753#false} is VALID [2022-04-08 09:26:13,871 INFO L290 TraceCheckUtils]: 34: Hoare triple {10917#(< 1 (mod main_~x~0 4294967296))} assume !(~x~0 % 4294967296 > 1); {10753#false} is VALID [2022-04-08 09:26:13,872 INFO L290 TraceCheckUtils]: 33: Hoare triple {10921#(< 1 (mod (+ main_~x~0 4294967294) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10917#(< 1 (mod main_~x~0 4294967296))} is VALID [2022-04-08 09:26:13,875 INFO L290 TraceCheckUtils]: 32: Hoare triple {10925#(< 1 (mod (+ 4294967292 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10921#(< 1 (mod (+ main_~x~0 4294967294) 4294967296))} is VALID [2022-04-08 09:26:13,875 INFO L290 TraceCheckUtils]: 31: Hoare triple {10929#(< 1 (mod (+ 4294967290 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10925#(< 1 (mod (+ 4294967292 main_~x~0) 4294967296))} is VALID [2022-04-08 09:26:13,876 INFO L290 TraceCheckUtils]: 30: Hoare triple {10933#(< 1 (mod (+ 4294967288 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10929#(< 1 (mod (+ 4294967290 main_~x~0) 4294967296))} is VALID [2022-04-08 09:26:13,877 INFO L290 TraceCheckUtils]: 29: Hoare triple {10937#(< 1 (mod (+ main_~x~0 4294967286) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10933#(< 1 (mod (+ 4294967288 main_~x~0) 4294967296))} is VALID [2022-04-08 09:26:13,877 INFO L290 TraceCheckUtils]: 28: Hoare triple {10941#(< 1 (mod (+ main_~x~0 4294967284) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10937#(< 1 (mod (+ main_~x~0 4294967286) 4294967296))} is VALID [2022-04-08 09:26:13,878 INFO L290 TraceCheckUtils]: 27: Hoare triple {10945#(< 1 (mod (+ 4294967282 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10941#(< 1 (mod (+ main_~x~0 4294967284) 4294967296))} is VALID [2022-04-08 09:26:13,881 INFO L290 TraceCheckUtils]: 26: Hoare triple {10949#(< 1 (mod (+ main_~x~0 4294967280) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10945#(< 1 (mod (+ 4294967282 main_~x~0) 4294967296))} is VALID [2022-04-08 09:26:13,883 INFO L290 TraceCheckUtils]: 25: Hoare triple {10953#(< 1 (mod (+ main_~x~0 4294967278) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10949#(< 1 (mod (+ main_~x~0 4294967280) 4294967296))} is VALID [2022-04-08 09:26:13,884 INFO L290 TraceCheckUtils]: 24: Hoare triple {10957#(< 1 (mod (+ 4294967276 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10953#(< 1 (mod (+ main_~x~0 4294967278) 4294967296))} is VALID [2022-04-08 09:26:13,884 INFO L290 TraceCheckUtils]: 23: Hoare triple {10961#(< 1 (mod (+ 4294967274 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10957#(< 1 (mod (+ 4294967276 main_~x~0) 4294967296))} is VALID [2022-04-08 09:26:13,886 INFO L290 TraceCheckUtils]: 22: Hoare triple {10965#(< 1 (mod (+ 4294967272 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10961#(< 1 (mod (+ 4294967274 main_~x~0) 4294967296))} is VALID [2022-04-08 09:26:13,887 INFO L290 TraceCheckUtils]: 21: Hoare triple {10969#(< 1 (mod (+ main_~x~0 4294967270) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10965#(< 1 (mod (+ 4294967272 main_~x~0) 4294967296))} is VALID [2022-04-08 09:26:13,887 INFO L290 TraceCheckUtils]: 20: Hoare triple {10973#(< 1 (mod (+ main_~x~0 4294967268) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10969#(< 1 (mod (+ main_~x~0 4294967270) 4294967296))} is VALID [2022-04-08 09:26:13,888 INFO L290 TraceCheckUtils]: 19: Hoare triple {10977#(< 1 (mod (+ main_~x~0 4294967266) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10973#(< 1 (mod (+ main_~x~0 4294967268) 4294967296))} is VALID [2022-04-08 09:26:13,888 INFO L290 TraceCheckUtils]: 18: Hoare triple {10981#(< 1 (mod (+ main_~x~0 4294967264) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10977#(< 1 (mod (+ main_~x~0 4294967266) 4294967296))} is VALID [2022-04-08 09:26:13,889 INFO L290 TraceCheckUtils]: 17: Hoare triple {10985#(< 1 (mod (+ main_~x~0 4294967262) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10981#(< 1 (mod (+ main_~x~0 4294967264) 4294967296))} is VALID [2022-04-08 09:26:13,890 INFO L290 TraceCheckUtils]: 16: Hoare triple {10989#(< 1 (mod (+ 4294967260 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10985#(< 1 (mod (+ main_~x~0 4294967262) 4294967296))} is VALID [2022-04-08 09:26:13,890 INFO L290 TraceCheckUtils]: 15: Hoare triple {10993#(< 1 (mod (+ main_~x~0 4294967258) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10989#(< 1 (mod (+ 4294967260 main_~x~0) 4294967296))} is VALID [2022-04-08 09:26:13,892 INFO L290 TraceCheckUtils]: 14: Hoare triple {10997#(< 1 (mod (+ main_~x~0 4294967256) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10993#(< 1 (mod (+ main_~x~0 4294967258) 4294967296))} is VALID [2022-04-08 09:26:13,892 INFO L290 TraceCheckUtils]: 13: Hoare triple {11001#(< 1 (mod (+ 4294967254 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {10997#(< 1 (mod (+ main_~x~0 4294967256) 4294967296))} is VALID [2022-04-08 09:26:13,893 INFO L290 TraceCheckUtils]: 12: Hoare triple {11005#(< 1 (mod (+ main_~x~0 4294967252) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11001#(< 1 (mod (+ 4294967254 main_~x~0) 4294967296))} is VALID [2022-04-08 09:26:13,894 INFO L290 TraceCheckUtils]: 11: Hoare triple {11009#(< 1 (mod (+ 4294967250 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11005#(< 1 (mod (+ main_~x~0 4294967252) 4294967296))} is VALID [2022-04-08 09:26:13,894 INFO L290 TraceCheckUtils]: 10: Hoare triple {11013#(< 1 (mod (+ main_~x~0 4294967248) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11009#(< 1 (mod (+ 4294967250 main_~x~0) 4294967296))} is VALID [2022-04-08 09:26:13,895 INFO L290 TraceCheckUtils]: 9: Hoare triple {11017#(< 1 (mod (+ 4294967246 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11013#(< 1 (mod (+ main_~x~0 4294967248) 4294967296))} is VALID [2022-04-08 09:26:13,896 INFO L290 TraceCheckUtils]: 8: Hoare triple {11021#(< 1 (mod (+ main_~x~0 4294967244) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11017#(< 1 (mod (+ 4294967246 main_~x~0) 4294967296))} is VALID [2022-04-08 09:26:13,896 INFO L290 TraceCheckUtils]: 7: Hoare triple {11025#(< 1 (mod (+ main_~x~0 4294967242) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11021#(< 1 (mod (+ main_~x~0 4294967244) 4294967296))} is VALID [2022-04-08 09:26:13,897 INFO L290 TraceCheckUtils]: 6: Hoare triple {11029#(< 1 (mod (+ 4294967240 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11025#(< 1 (mod (+ main_~x~0 4294967242) 4294967296))} is VALID [2022-04-08 09:26:13,897 INFO L290 TraceCheckUtils]: 5: Hoare triple {10752#true} ~x~0 := 268435441; {11029#(< 1 (mod (+ 4294967240 main_~x~0) 4294967296))} is VALID [2022-04-08 09:26:13,898 INFO L272 TraceCheckUtils]: 4: Hoare triple {10752#true} call #t~ret4 := main(); {10752#true} is VALID [2022-04-08 09:26:13,898 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {10752#true} {10752#true} #34#return; {10752#true} is VALID [2022-04-08 09:26:13,898 INFO L290 TraceCheckUtils]: 2: Hoare triple {10752#true} assume true; {10752#true} is VALID [2022-04-08 09:26:13,898 INFO L290 TraceCheckUtils]: 1: Hoare triple {10752#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(13, 2);call #Ultimate.allocInit(12, 3); {10752#true} is VALID [2022-04-08 09:26:13,898 INFO L272 TraceCheckUtils]: 0: Hoare triple {10752#true} call ULTIMATE.init(); {10752#true} is VALID [2022-04-08 09:26:13,898 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:26:13,898 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [707566323] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-08 09:26:13,899 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-08 09:26:13,899 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 31, 31] total 62 [2022-04-08 09:26:13,899 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 09:26:13,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [2039035606] [2022-04-08 09:26:13,899 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [2039035606] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 09:26:13,899 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 09:26:13,899 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [32] imperfect sequences [] total 32 [2022-04-08 09:26:13,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546337595] [2022-04-08 09:26:13,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 09:26:13,900 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 1.09375) internal successors, (35), 31 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 [2022-04-08 09:26:13,900 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 09:26:13,900 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 32 states, 32 states have (on average 1.09375) internal successors, (35), 31 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) [2022-04-08 09:26:13,928 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 39 edges. 39 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:26:13,928 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-04-08 09:26:13,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 09:26:13,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-04-08 09:26:13,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1020, Invalid=2762, Unknown=0, NotChecked=0, Total=3782 [2022-04-08 09:26:13,929 INFO L87 Difference]: Start difference. First operand 40 states and 40 transitions. Second operand has 32 states, 32 states have (on average 1.09375) internal successors, (35), 31 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) [2022-04-08 09:26:15,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:26:15,782 INFO L93 Difference]: Finished difference Result 46 states and 46 transitions. [2022-04-08 09:26:15,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-04-08 09:26:15,782 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 1.09375) internal successors, (35), 31 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 [2022-04-08 09:26:15,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 09:26:15,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 32 states have (on average 1.09375) internal successors, (35), 31 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) [2022-04-08 09:26:15,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 46 transitions. [2022-04-08 09:26:15,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 32 states have (on average 1.09375) internal successors, (35), 31 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) [2022-04-08 09:26:15,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 46 transitions. [2022-04-08 09:26:15,784 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 32 states and 46 transitions. [2022-04-08 09:26:15,834 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 46 edges. 46 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:26:15,835 INFO L225 Difference]: With dead ends: 46 [2022-04-08 09:26:15,835 INFO L226 Difference]: Without dead ends: 41 [2022-04-08 09:26:15,836 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 50 SyntacticMatches, 1 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 467 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=2033, Invalid=6157, Unknown=0, NotChecked=0, Total=8190 [2022-04-08 09:26:15,836 INFO L913 BasicCegarLoop]: 11 mSDtfsCounter, 6 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 909 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 968 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 909 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-04-08 09:26:15,837 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 108 Invalid, 968 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 909 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-04-08 09:26:15,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2022-04-08 09:26:15,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2022-04-08 09:26:15,886 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 09:26:15,886 INFO L82 GeneralOperation]: Start isEquivalent. First operand 41 states. Second operand has 41 states, 36 states have (on average 1.0277777777777777) internal successors, (37), 36 states have internal predecessors, (37), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:26:15,886 INFO L74 IsIncluded]: Start isIncluded. First operand 41 states. Second operand has 41 states, 36 states have (on average 1.0277777777777777) internal successors, (37), 36 states have internal predecessors, (37), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:26:15,886 INFO L87 Difference]: Start difference. First operand 41 states. Second operand has 41 states, 36 states have (on average 1.0277777777777777) internal successors, (37), 36 states have internal predecessors, (37), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:26:15,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:26:15,887 INFO L93 Difference]: Finished difference Result 41 states and 41 transitions. [2022-04-08 09:26:15,887 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 41 transitions. [2022-04-08 09:26:15,887 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:26:15,887 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:26:15,888 INFO L74 IsIncluded]: Start isIncluded. First operand has 41 states, 36 states have (on average 1.0277777777777777) internal successors, (37), 36 states have internal predecessors, (37), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 41 states. [2022-04-08 09:26:15,888 INFO L87 Difference]: Start difference. First operand has 41 states, 36 states have (on average 1.0277777777777777) internal successors, (37), 36 states have internal predecessors, (37), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 41 states. [2022-04-08 09:26:15,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:26:15,888 INFO L93 Difference]: Finished difference Result 41 states and 41 transitions. [2022-04-08 09:26:15,888 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 41 transitions. [2022-04-08 09:26:15,889 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:26:15,889 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:26:15,889 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 09:26:15,889 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 09:26:15,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 36 states have (on average 1.0277777777777777) internal successors, (37), 36 states have internal predecessors, (37), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:26:15,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 41 transitions. [2022-04-08 09:26:15,890 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 41 transitions. Word has length 39 [2022-04-08 09:26:15,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 09:26:15,890 INFO L478 AbstractCegarLoop]: Abstraction has 41 states and 41 transitions. [2022-04-08 09:26:15,890 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 1.09375) internal successors, (35), 31 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) [2022-04-08 09:26:15,890 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 41 states and 41 transitions. [2022-04-08 09:26:15,928 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 41 edges. 41 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:26:15,928 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 41 transitions. [2022-04-08 09:26:15,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-04-08 09:26:15,929 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 09:26:15,929 INFO L499 BasicCegarLoop]: trace histogram [29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 09:26:15,955 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2022-04-08 09:26:16,129 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 09:26:16,130 INFO L403 AbstractCegarLoop]: === Iteration 31 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 09:26:16,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 09:26:16,130 INFO L85 PathProgramCache]: Analyzing trace with hash 658218230, now seen corresponding path program 57 times [2022-04-08 09:26:16,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 09:26:16,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1351642155] [2022-04-08 09:26:16,134 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-08 09:26:16,134 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-08 09:26:16,134 INFO L85 PathProgramCache]: Analyzing trace with hash 658218230, now seen corresponding path program 58 times [2022-04-08 09:26:16,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 09:26:16,134 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3339252] [2022-04-08 09:26:16,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 09:26:16,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 09:26:16,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:26:16,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-08 09:26:16,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:26:16,817 INFO L290 TraceCheckUtils]: 0: Hoare triple {11399#(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(13, 2);call #Ultimate.allocInit(12, 3); {11364#true} is VALID [2022-04-08 09:26:16,818 INFO L290 TraceCheckUtils]: 1: Hoare triple {11364#true} assume true; {11364#true} is VALID [2022-04-08 09:26:16,818 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {11364#true} {11364#true} #34#return; {11364#true} is VALID [2022-04-08 09:26:16,821 INFO L272 TraceCheckUtils]: 0: Hoare triple {11364#true} call ULTIMATE.init(); {11399#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-08 09:26:16,821 INFO L290 TraceCheckUtils]: 1: Hoare triple {11399#(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(13, 2);call #Ultimate.allocInit(12, 3); {11364#true} is VALID [2022-04-08 09:26:16,821 INFO L290 TraceCheckUtils]: 2: Hoare triple {11364#true} assume true; {11364#true} is VALID [2022-04-08 09:26:16,822 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {11364#true} {11364#true} #34#return; {11364#true} is VALID [2022-04-08 09:26:16,822 INFO L272 TraceCheckUtils]: 4: Hoare triple {11364#true} call #t~ret4 := main(); {11364#true} is VALID [2022-04-08 09:26:16,824 INFO L290 TraceCheckUtils]: 5: Hoare triple {11364#true} ~x~0 := 268435441; {11369#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:26:16,825 INFO L290 TraceCheckUtils]: 6: Hoare triple {11369#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11370#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:26:16,825 INFO L290 TraceCheckUtils]: 7: Hoare triple {11370#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11371#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:26:16,826 INFO L290 TraceCheckUtils]: 8: Hoare triple {11371#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11372#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:26:16,826 INFO L290 TraceCheckUtils]: 9: Hoare triple {11372#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11373#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:26:16,827 INFO L290 TraceCheckUtils]: 10: Hoare triple {11373#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11374#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:26:16,827 INFO L290 TraceCheckUtils]: 11: Hoare triple {11374#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11375#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:26:16,828 INFO L290 TraceCheckUtils]: 12: Hoare triple {11375#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11376#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:26:16,828 INFO L290 TraceCheckUtils]: 13: Hoare triple {11376#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11377#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:26:16,829 INFO L290 TraceCheckUtils]: 14: Hoare triple {11377#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11378#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:26:16,829 INFO L290 TraceCheckUtils]: 15: Hoare triple {11378#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11379#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:26:16,830 INFO L290 TraceCheckUtils]: 16: Hoare triple {11379#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11380#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:26:16,830 INFO L290 TraceCheckUtils]: 17: Hoare triple {11380#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11381#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:26:16,831 INFO L290 TraceCheckUtils]: 18: Hoare triple {11381#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11382#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:26:16,831 INFO L290 TraceCheckUtils]: 19: Hoare triple {11382#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11383#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} is VALID [2022-04-08 09:26:16,832 INFO L290 TraceCheckUtils]: 20: Hoare triple {11383#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11384#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} is VALID [2022-04-08 09:26:16,832 INFO L290 TraceCheckUtils]: 21: Hoare triple {11384#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11385#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} is VALID [2022-04-08 09:26:16,833 INFO L290 TraceCheckUtils]: 22: Hoare triple {11385#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11386#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} is VALID [2022-04-08 09:26:16,833 INFO L290 TraceCheckUtils]: 23: Hoare triple {11386#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11387#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} is VALID [2022-04-08 09:26:16,834 INFO L290 TraceCheckUtils]: 24: Hoare triple {11387#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11388#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} is VALID [2022-04-08 09:26:16,834 INFO L290 TraceCheckUtils]: 25: Hoare triple {11388#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11389#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} is VALID [2022-04-08 09:26:16,835 INFO L290 TraceCheckUtils]: 26: Hoare triple {11389#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11390#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} is VALID [2022-04-08 09:26:16,835 INFO L290 TraceCheckUtils]: 27: Hoare triple {11390#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11391#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} is VALID [2022-04-08 09:26:16,836 INFO L290 TraceCheckUtils]: 28: Hoare triple {11391#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11392#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} is VALID [2022-04-08 09:26:16,836 INFO L290 TraceCheckUtils]: 29: Hoare triple {11392#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11393#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} is VALID [2022-04-08 09:26:16,840 INFO L290 TraceCheckUtils]: 30: Hoare triple {11393#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11394#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} is VALID [2022-04-08 09:26:16,840 INFO L290 TraceCheckUtils]: 31: Hoare triple {11394#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11395#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} is VALID [2022-04-08 09:26:16,841 INFO L290 TraceCheckUtils]: 32: Hoare triple {11395#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11396#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} is VALID [2022-04-08 09:26:16,841 INFO L290 TraceCheckUtils]: 33: Hoare triple {11396#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11397#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} is VALID [2022-04-08 09:26:16,842 INFO L290 TraceCheckUtils]: 34: Hoare triple {11397#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11398#(and (<= 268435383 main_~x~0) (<= (div main_~x~0 4294967296) 0))} is VALID [2022-04-08 09:26:16,842 INFO L290 TraceCheckUtils]: 35: Hoare triple {11398#(and (<= 268435383 main_~x~0) (<= (div main_~x~0 4294967296) 0))} assume !(~x~0 % 4294967296 > 1); {11365#false} is VALID [2022-04-08 09:26:16,842 INFO L272 TraceCheckUtils]: 36: Hoare triple {11365#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)); {11365#false} is VALID [2022-04-08 09:26:16,843 INFO L290 TraceCheckUtils]: 37: Hoare triple {11365#false} ~cond := #in~cond; {11365#false} is VALID [2022-04-08 09:26:16,843 INFO L290 TraceCheckUtils]: 38: Hoare triple {11365#false} assume 0 == ~cond; {11365#false} is VALID [2022-04-08 09:26:16,843 INFO L290 TraceCheckUtils]: 39: Hoare triple {11365#false} assume !false; {11365#false} is VALID [2022-04-08 09:26:16,843 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:26:16,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 09:26:16,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3339252] [2022-04-08 09:26:16,844 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3339252] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-08 09:26:16,844 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1272925027] [2022-04-08 09:26:16,844 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-08 09:26:16,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 09:26:16,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 09:26:16,848 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) [2022-04-08 09:26:16,852 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2022-04-08 09:26:16,952 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-08 09:26:16,953 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 09:26:16,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 61 conjunts are in the unsatisfiable core [2022-04-08 09:26:16,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:26:16,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 09:26:17,365 INFO L272 TraceCheckUtils]: 0: Hoare triple {11364#true} call ULTIMATE.init(); {11364#true} is VALID [2022-04-08 09:26:17,365 INFO L290 TraceCheckUtils]: 1: Hoare triple {11364#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(13, 2);call #Ultimate.allocInit(12, 3); {11364#true} is VALID [2022-04-08 09:26:17,365 INFO L290 TraceCheckUtils]: 2: Hoare triple {11364#true} assume true; {11364#true} is VALID [2022-04-08 09:26:17,365 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {11364#true} {11364#true} #34#return; {11364#true} is VALID [2022-04-08 09:26:17,366 INFO L272 TraceCheckUtils]: 4: Hoare triple {11364#true} call #t~ret4 := main(); {11364#true} is VALID [2022-04-08 09:26:17,369 INFO L290 TraceCheckUtils]: 5: Hoare triple {11364#true} ~x~0 := 268435441; {11369#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:26:17,370 INFO L290 TraceCheckUtils]: 6: Hoare triple {11369#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11370#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:26:17,371 INFO L290 TraceCheckUtils]: 7: Hoare triple {11370#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11371#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:26:17,372 INFO L290 TraceCheckUtils]: 8: Hoare triple {11371#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11372#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:26:17,372 INFO L290 TraceCheckUtils]: 9: Hoare triple {11372#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11373#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:26:17,373 INFO L290 TraceCheckUtils]: 10: Hoare triple {11373#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11374#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:26:17,373 INFO L290 TraceCheckUtils]: 11: Hoare triple {11374#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11375#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:26:17,374 INFO L290 TraceCheckUtils]: 12: Hoare triple {11375#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11376#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:26:17,374 INFO L290 TraceCheckUtils]: 13: Hoare triple {11376#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11377#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:26:17,375 INFO L290 TraceCheckUtils]: 14: Hoare triple {11377#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11378#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:26:17,375 INFO L290 TraceCheckUtils]: 15: Hoare triple {11378#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11379#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:26:17,376 INFO L290 TraceCheckUtils]: 16: Hoare triple {11379#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11380#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:26:17,376 INFO L290 TraceCheckUtils]: 17: Hoare triple {11380#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11381#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:26:17,377 INFO L290 TraceCheckUtils]: 18: Hoare triple {11381#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11382#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:26:17,377 INFO L290 TraceCheckUtils]: 19: Hoare triple {11382#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11383#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} is VALID [2022-04-08 09:26:17,378 INFO L290 TraceCheckUtils]: 20: Hoare triple {11383#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11384#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} is VALID [2022-04-08 09:26:17,378 INFO L290 TraceCheckUtils]: 21: Hoare triple {11384#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11385#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} is VALID [2022-04-08 09:26:17,379 INFO L290 TraceCheckUtils]: 22: Hoare triple {11385#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11386#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} is VALID [2022-04-08 09:26:17,379 INFO L290 TraceCheckUtils]: 23: Hoare triple {11386#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11387#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} is VALID [2022-04-08 09:26:17,380 INFO L290 TraceCheckUtils]: 24: Hoare triple {11387#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11388#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} is VALID [2022-04-08 09:26:17,380 INFO L290 TraceCheckUtils]: 25: Hoare triple {11388#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11389#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} is VALID [2022-04-08 09:26:17,381 INFO L290 TraceCheckUtils]: 26: Hoare triple {11389#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11390#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} is VALID [2022-04-08 09:26:17,382 INFO L290 TraceCheckUtils]: 27: Hoare triple {11390#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11391#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} is VALID [2022-04-08 09:26:17,382 INFO L290 TraceCheckUtils]: 28: Hoare triple {11391#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11392#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} is VALID [2022-04-08 09:26:17,383 INFO L290 TraceCheckUtils]: 29: Hoare triple {11392#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11393#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} is VALID [2022-04-08 09:26:17,383 INFO L290 TraceCheckUtils]: 30: Hoare triple {11393#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11394#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} is VALID [2022-04-08 09:26:17,384 INFO L290 TraceCheckUtils]: 31: Hoare triple {11394#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11395#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} is VALID [2022-04-08 09:26:17,384 INFO L290 TraceCheckUtils]: 32: Hoare triple {11395#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11396#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} is VALID [2022-04-08 09:26:17,385 INFO L290 TraceCheckUtils]: 33: Hoare triple {11396#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11397#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} is VALID [2022-04-08 09:26:17,385 INFO L290 TraceCheckUtils]: 34: Hoare triple {11397#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11505#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} is VALID [2022-04-08 09:26:17,386 INFO L290 TraceCheckUtils]: 35: Hoare triple {11505#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} assume !(~x~0 % 4294967296 > 1); {11365#false} is VALID [2022-04-08 09:26:17,386 INFO L272 TraceCheckUtils]: 36: Hoare triple {11365#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)); {11365#false} is VALID [2022-04-08 09:26:17,386 INFO L290 TraceCheckUtils]: 37: Hoare triple {11365#false} ~cond := #in~cond; {11365#false} is VALID [2022-04-08 09:26:17,386 INFO L290 TraceCheckUtils]: 38: Hoare triple {11365#false} assume 0 == ~cond; {11365#false} is VALID [2022-04-08 09:26:17,386 INFO L290 TraceCheckUtils]: 39: Hoare triple {11365#false} assume !false; {11365#false} is VALID [2022-04-08 09:26:17,386 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:26:17,386 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 09:26:18,850 INFO L290 TraceCheckUtils]: 39: Hoare triple {11365#false} assume !false; {11365#false} is VALID [2022-04-08 09:26:18,851 INFO L290 TraceCheckUtils]: 38: Hoare triple {11365#false} assume 0 == ~cond; {11365#false} is VALID [2022-04-08 09:26:18,851 INFO L290 TraceCheckUtils]: 37: Hoare triple {11365#false} ~cond := #in~cond; {11365#false} is VALID [2022-04-08 09:26:18,851 INFO L272 TraceCheckUtils]: 36: Hoare triple {11365#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)); {11365#false} is VALID [2022-04-08 09:26:18,851 INFO L290 TraceCheckUtils]: 35: Hoare triple {11533#(< 1 (mod main_~x~0 4294967296))} assume !(~x~0 % 4294967296 > 1); {11365#false} is VALID [2022-04-08 09:26:18,853 INFO L290 TraceCheckUtils]: 34: Hoare triple {11537#(< 1 (mod (+ main_~x~0 4294967294) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11533#(< 1 (mod main_~x~0 4294967296))} is VALID [2022-04-08 09:26:18,854 INFO L290 TraceCheckUtils]: 33: Hoare triple {11541#(< 1 (mod (+ 4294967292 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11537#(< 1 (mod (+ main_~x~0 4294967294) 4294967296))} is VALID [2022-04-08 09:26:18,855 INFO L290 TraceCheckUtils]: 32: Hoare triple {11545#(< 1 (mod (+ 4294967290 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11541#(< 1 (mod (+ 4294967292 main_~x~0) 4294967296))} is VALID [2022-04-08 09:26:18,856 INFO L290 TraceCheckUtils]: 31: Hoare triple {11549#(< 1 (mod (+ 4294967288 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11545#(< 1 (mod (+ 4294967290 main_~x~0) 4294967296))} is VALID [2022-04-08 09:26:18,857 INFO L290 TraceCheckUtils]: 30: Hoare triple {11553#(< 1 (mod (+ main_~x~0 4294967286) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11549#(< 1 (mod (+ 4294967288 main_~x~0) 4294967296))} is VALID [2022-04-08 09:26:18,857 INFO L290 TraceCheckUtils]: 29: Hoare triple {11557#(< 1 (mod (+ main_~x~0 4294967284) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11553#(< 1 (mod (+ main_~x~0 4294967286) 4294967296))} is VALID [2022-04-08 09:26:18,858 INFO L290 TraceCheckUtils]: 28: Hoare triple {11561#(< 1 (mod (+ 4294967282 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11557#(< 1 (mod (+ main_~x~0 4294967284) 4294967296))} is VALID [2022-04-08 09:26:18,858 INFO L290 TraceCheckUtils]: 27: Hoare triple {11565#(< 1 (mod (+ main_~x~0 4294967280) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11561#(< 1 (mod (+ 4294967282 main_~x~0) 4294967296))} is VALID [2022-04-08 09:26:18,859 INFO L290 TraceCheckUtils]: 26: Hoare triple {11569#(< 1 (mod (+ main_~x~0 4294967278) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11565#(< 1 (mod (+ main_~x~0 4294967280) 4294967296))} is VALID [2022-04-08 09:26:18,860 INFO L290 TraceCheckUtils]: 25: Hoare triple {11573#(< 1 (mod (+ 4294967276 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11569#(< 1 (mod (+ main_~x~0 4294967278) 4294967296))} is VALID [2022-04-08 09:26:18,861 INFO L290 TraceCheckUtils]: 24: Hoare triple {11577#(< 1 (mod (+ 4294967274 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11573#(< 1 (mod (+ 4294967276 main_~x~0) 4294967296))} is VALID [2022-04-08 09:26:18,862 INFO L290 TraceCheckUtils]: 23: Hoare triple {11581#(< 1 (mod (+ 4294967272 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11577#(< 1 (mod (+ 4294967274 main_~x~0) 4294967296))} is VALID [2022-04-08 09:26:18,865 INFO L290 TraceCheckUtils]: 22: Hoare triple {11585#(< 1 (mod (+ main_~x~0 4294967270) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11581#(< 1 (mod (+ 4294967272 main_~x~0) 4294967296))} is VALID [2022-04-08 09:26:18,866 INFO L290 TraceCheckUtils]: 21: Hoare triple {11589#(< 1 (mod (+ main_~x~0 4294967268) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11585#(< 1 (mod (+ main_~x~0 4294967270) 4294967296))} is VALID [2022-04-08 09:26:18,866 INFO L290 TraceCheckUtils]: 20: Hoare triple {11593#(< 1 (mod (+ main_~x~0 4294967266) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11589#(< 1 (mod (+ main_~x~0 4294967268) 4294967296))} is VALID [2022-04-08 09:26:18,867 INFO L290 TraceCheckUtils]: 19: Hoare triple {11597#(< 1 (mod (+ main_~x~0 4294967264) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11593#(< 1 (mod (+ main_~x~0 4294967266) 4294967296))} is VALID [2022-04-08 09:26:18,868 INFO L290 TraceCheckUtils]: 18: Hoare triple {11601#(< 1 (mod (+ main_~x~0 4294967262) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11597#(< 1 (mod (+ main_~x~0 4294967264) 4294967296))} is VALID [2022-04-08 09:26:18,868 INFO L290 TraceCheckUtils]: 17: Hoare triple {11605#(< 1 (mod (+ 4294967260 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11601#(< 1 (mod (+ main_~x~0 4294967262) 4294967296))} is VALID [2022-04-08 09:26:18,869 INFO L290 TraceCheckUtils]: 16: Hoare triple {11609#(< 1 (mod (+ main_~x~0 4294967258) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11605#(< 1 (mod (+ 4294967260 main_~x~0) 4294967296))} is VALID [2022-04-08 09:26:18,870 INFO L290 TraceCheckUtils]: 15: Hoare triple {11613#(< 1 (mod (+ main_~x~0 4294967256) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11609#(< 1 (mod (+ main_~x~0 4294967258) 4294967296))} is VALID [2022-04-08 09:26:18,870 INFO L290 TraceCheckUtils]: 14: Hoare triple {11617#(< 1 (mod (+ 4294967254 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11613#(< 1 (mod (+ main_~x~0 4294967256) 4294967296))} is VALID [2022-04-08 09:26:18,871 INFO L290 TraceCheckUtils]: 13: Hoare triple {11621#(< 1 (mod (+ main_~x~0 4294967252) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11617#(< 1 (mod (+ 4294967254 main_~x~0) 4294967296))} is VALID [2022-04-08 09:26:18,872 INFO L290 TraceCheckUtils]: 12: Hoare triple {11625#(< 1 (mod (+ 4294967250 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11621#(< 1 (mod (+ main_~x~0 4294967252) 4294967296))} is VALID [2022-04-08 09:26:18,872 INFO L290 TraceCheckUtils]: 11: Hoare triple {11629#(< 1 (mod (+ main_~x~0 4294967248) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11625#(< 1 (mod (+ 4294967250 main_~x~0) 4294967296))} is VALID [2022-04-08 09:26:18,873 INFO L290 TraceCheckUtils]: 10: Hoare triple {11633#(< 1 (mod (+ 4294967246 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11629#(< 1 (mod (+ main_~x~0 4294967248) 4294967296))} is VALID [2022-04-08 09:26:18,873 INFO L290 TraceCheckUtils]: 9: Hoare triple {11637#(< 1 (mod (+ main_~x~0 4294967244) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11633#(< 1 (mod (+ 4294967246 main_~x~0) 4294967296))} is VALID [2022-04-08 09:26:18,874 INFO L290 TraceCheckUtils]: 8: Hoare triple {11641#(< 1 (mod (+ main_~x~0 4294967242) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11637#(< 1 (mod (+ main_~x~0 4294967244) 4294967296))} is VALID [2022-04-08 09:26:18,875 INFO L290 TraceCheckUtils]: 7: Hoare triple {11645#(< 1 (mod (+ 4294967240 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11641#(< 1 (mod (+ main_~x~0 4294967242) 4294967296))} is VALID [2022-04-08 09:26:18,875 INFO L290 TraceCheckUtils]: 6: Hoare triple {11649#(< 1 (mod (+ 4294967238 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11645#(< 1 (mod (+ 4294967240 main_~x~0) 4294967296))} is VALID [2022-04-08 09:26:18,876 INFO L290 TraceCheckUtils]: 5: Hoare triple {11364#true} ~x~0 := 268435441; {11649#(< 1 (mod (+ 4294967238 main_~x~0) 4294967296))} is VALID [2022-04-08 09:26:18,876 INFO L272 TraceCheckUtils]: 4: Hoare triple {11364#true} call #t~ret4 := main(); {11364#true} is VALID [2022-04-08 09:26:18,876 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {11364#true} {11364#true} #34#return; {11364#true} is VALID [2022-04-08 09:26:18,876 INFO L290 TraceCheckUtils]: 2: Hoare triple {11364#true} assume true; {11364#true} is VALID [2022-04-08 09:26:18,876 INFO L290 TraceCheckUtils]: 1: Hoare triple {11364#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(13, 2);call #Ultimate.allocInit(12, 3); {11364#true} is VALID [2022-04-08 09:26:18,876 INFO L272 TraceCheckUtils]: 0: Hoare triple {11364#true} call ULTIMATE.init(); {11364#true} is VALID [2022-04-08 09:26:18,877 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:26:18,877 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1272925027] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-08 09:26:18,877 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-08 09:26:18,877 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 32, 32] total 64 [2022-04-08 09:26:18,877 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 09:26:18,877 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1351642155] [2022-04-08 09:26:18,877 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1351642155] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 09:26:18,877 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 09:26:18,878 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [33] imperfect sequences [] total 33 [2022-04-08 09:26:18,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902619361] [2022-04-08 09:26:18,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 09:26:18,878 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 1.0909090909090908) internal successors, (36), 32 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 [2022-04-08 09:26:18,878 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 09:26:18,878 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 33 states, 33 states have (on average 1.0909090909090908) internal successors, (36), 32 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) [2022-04-08 09:26:18,906 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 40 edges. 40 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:26:18,906 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-04-08 09:26:18,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 09:26:18,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-04-08 09:26:18,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1085, Invalid=2947, Unknown=0, NotChecked=0, Total=4032 [2022-04-08 09:26:18,907 INFO L87 Difference]: Start difference. First operand 41 states and 41 transitions. Second operand has 33 states, 33 states have (on average 1.0909090909090908) internal successors, (36), 32 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) [2022-04-08 09:26:20,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:26:20,786 INFO L93 Difference]: Finished difference Result 47 states and 47 transitions. [2022-04-08 09:26:20,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-04-08 09:26:20,786 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 1.0909090909090908) internal successors, (36), 32 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 [2022-04-08 09:26:20,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 09:26:20,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 33 states have (on average 1.0909090909090908) internal successors, (36), 32 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) [2022-04-08 09:26:20,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 47 transitions. [2022-04-08 09:26:20,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 33 states have (on average 1.0909090909090908) internal successors, (36), 32 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) [2022-04-08 09:26:20,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 47 transitions. [2022-04-08 09:26:20,788 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 33 states and 47 transitions. [2022-04-08 09:26:20,835 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 47 edges. 47 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:26:20,836 INFO L225 Difference]: With dead ends: 47 [2022-04-08 09:26:20,836 INFO L226 Difference]: Without dead ends: 42 [2022-04-08 09:26:20,838 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 51 SyntacticMatches, 1 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 498 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=2163, Invalid=6579, Unknown=0, NotChecked=0, Total=8742 [2022-04-08 09:26:20,838 INFO L913 BasicCegarLoop]: 11 mSDtfsCounter, 6 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 897 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 958 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 897 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-04-08 09:26:20,838 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 38 Invalid, 958 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 897 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-04-08 09:26:20,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2022-04-08 09:26:20,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2022-04-08 09:26:20,891 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 09:26:20,892 INFO L82 GeneralOperation]: Start isEquivalent. First operand 42 states. Second operand has 42 states, 37 states have (on average 1.027027027027027) internal successors, (38), 37 states have internal predecessors, (38), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:26:20,892 INFO L74 IsIncluded]: Start isIncluded. First operand 42 states. Second operand has 42 states, 37 states have (on average 1.027027027027027) internal successors, (38), 37 states have internal predecessors, (38), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:26:20,892 INFO L87 Difference]: Start difference. First operand 42 states. Second operand has 42 states, 37 states have (on average 1.027027027027027) internal successors, (38), 37 states have internal predecessors, (38), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:26:20,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:26:20,893 INFO L93 Difference]: Finished difference Result 42 states and 42 transitions. [2022-04-08 09:26:20,893 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 42 transitions. [2022-04-08 09:26:20,893 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:26:20,893 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:26:20,893 INFO L74 IsIncluded]: Start isIncluded. First operand has 42 states, 37 states have (on average 1.027027027027027) internal successors, (38), 37 states have internal predecessors, (38), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 42 states. [2022-04-08 09:26:20,893 INFO L87 Difference]: Start difference. First operand has 42 states, 37 states have (on average 1.027027027027027) internal successors, (38), 37 states have internal predecessors, (38), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 42 states. [2022-04-08 09:26:20,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:26:20,894 INFO L93 Difference]: Finished difference Result 42 states and 42 transitions. [2022-04-08 09:26:20,894 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 42 transitions. [2022-04-08 09:26:20,894 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:26:20,894 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:26:20,895 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 09:26:20,895 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 09:26:20,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 37 states have (on average 1.027027027027027) internal successors, (38), 37 states have internal predecessors, (38), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:26:20,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 42 transitions. [2022-04-08 09:26:20,895 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 42 transitions. Word has length 40 [2022-04-08 09:26:20,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 09:26:20,896 INFO L478 AbstractCegarLoop]: Abstraction has 42 states and 42 transitions. [2022-04-08 09:26:20,896 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 1.0909090909090908) internal successors, (36), 32 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) [2022-04-08 09:26:20,896 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 42 states and 42 transitions. [2022-04-08 09:26:20,936 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 42 edges. 42 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:26:20,936 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 42 transitions. [2022-04-08 09:26:20,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-04-08 09:26:20,937 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 09:26:20,937 INFO L499 BasicCegarLoop]: trace histogram [30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 09:26:20,964 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2022-04-08 09:26:21,137 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 09:26:21,138 INFO L403 AbstractCegarLoop]: === Iteration 32 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 09:26:21,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 09:26:21,138 INFO L85 PathProgramCache]: Analyzing trace with hash -1033610084, now seen corresponding path program 59 times [2022-04-08 09:26:21,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 09:26:21,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1119713740] [2022-04-08 09:26:21,141 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-08 09:26:21,141 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-08 09:26:21,141 INFO L85 PathProgramCache]: Analyzing trace with hash -1033610084, now seen corresponding path program 60 times [2022-04-08 09:26:21,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 09:26:21,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244961765] [2022-04-08 09:26:21,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 09:26:21,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 09:26:21,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:26:21,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-08 09:26:21,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:26:21,819 INFO L290 TraceCheckUtils]: 0: Hoare triple {12028#(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(13, 2);call #Ultimate.allocInit(12, 3); {11992#true} is VALID [2022-04-08 09:26:21,819 INFO L290 TraceCheckUtils]: 1: Hoare triple {11992#true} assume true; {11992#true} is VALID [2022-04-08 09:26:21,819 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {11992#true} {11992#true} #34#return; {11992#true} is VALID [2022-04-08 09:26:21,820 INFO L272 TraceCheckUtils]: 0: Hoare triple {11992#true} call ULTIMATE.init(); {12028#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-08 09:26:21,820 INFO L290 TraceCheckUtils]: 1: Hoare triple {12028#(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(13, 2);call #Ultimate.allocInit(12, 3); {11992#true} is VALID [2022-04-08 09:26:21,820 INFO L290 TraceCheckUtils]: 2: Hoare triple {11992#true} assume true; {11992#true} is VALID [2022-04-08 09:26:21,820 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {11992#true} {11992#true} #34#return; {11992#true} is VALID [2022-04-08 09:26:21,820 INFO L272 TraceCheckUtils]: 4: Hoare triple {11992#true} call #t~ret4 := main(); {11992#true} is VALID [2022-04-08 09:26:21,821 INFO L290 TraceCheckUtils]: 5: Hoare triple {11992#true} ~x~0 := 268435441; {11997#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:26:21,821 INFO L290 TraceCheckUtils]: 6: Hoare triple {11997#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11998#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:26:21,822 INFO L290 TraceCheckUtils]: 7: Hoare triple {11998#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11999#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:26:21,822 INFO L290 TraceCheckUtils]: 8: Hoare triple {11999#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12000#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:26:21,823 INFO L290 TraceCheckUtils]: 9: Hoare triple {12000#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12001#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:26:21,823 INFO L290 TraceCheckUtils]: 10: Hoare triple {12001#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12002#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:26:21,824 INFO L290 TraceCheckUtils]: 11: Hoare triple {12002#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12003#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:26:21,824 INFO L290 TraceCheckUtils]: 12: Hoare triple {12003#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12004#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:26:21,825 INFO L290 TraceCheckUtils]: 13: Hoare triple {12004#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12005#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:26:21,825 INFO L290 TraceCheckUtils]: 14: Hoare triple {12005#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12006#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:26:21,826 INFO L290 TraceCheckUtils]: 15: Hoare triple {12006#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12007#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:26:21,826 INFO L290 TraceCheckUtils]: 16: Hoare triple {12007#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12008#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:26:21,827 INFO L290 TraceCheckUtils]: 17: Hoare triple {12008#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12009#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:26:21,827 INFO L290 TraceCheckUtils]: 18: Hoare triple {12009#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12010#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:26:21,828 INFO L290 TraceCheckUtils]: 19: Hoare triple {12010#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12011#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} is VALID [2022-04-08 09:26:21,828 INFO L290 TraceCheckUtils]: 20: Hoare triple {12011#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12012#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} is VALID [2022-04-08 09:26:21,829 INFO L290 TraceCheckUtils]: 21: Hoare triple {12012#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12013#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} is VALID [2022-04-08 09:26:21,829 INFO L290 TraceCheckUtils]: 22: Hoare triple {12013#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12014#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} is VALID [2022-04-08 09:26:21,830 INFO L290 TraceCheckUtils]: 23: Hoare triple {12014#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12015#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} is VALID [2022-04-08 09:26:21,830 INFO L290 TraceCheckUtils]: 24: Hoare triple {12015#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12016#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} is VALID [2022-04-08 09:26:21,831 INFO L290 TraceCheckUtils]: 25: Hoare triple {12016#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12017#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} is VALID [2022-04-08 09:26:21,831 INFO L290 TraceCheckUtils]: 26: Hoare triple {12017#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12018#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} is VALID [2022-04-08 09:26:21,832 INFO L290 TraceCheckUtils]: 27: Hoare triple {12018#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12019#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} is VALID [2022-04-08 09:26:21,832 INFO L290 TraceCheckUtils]: 28: Hoare triple {12019#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12020#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} is VALID [2022-04-08 09:26:21,833 INFO L290 TraceCheckUtils]: 29: Hoare triple {12020#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12021#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} is VALID [2022-04-08 09:26:21,833 INFO L290 TraceCheckUtils]: 30: Hoare triple {12021#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12022#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} is VALID [2022-04-08 09:26:21,834 INFO L290 TraceCheckUtils]: 31: Hoare triple {12022#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12023#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} is VALID [2022-04-08 09:26:21,834 INFO L290 TraceCheckUtils]: 32: Hoare triple {12023#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12024#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} is VALID [2022-04-08 09:26:21,835 INFO L290 TraceCheckUtils]: 33: Hoare triple {12024#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12025#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} is VALID [2022-04-08 09:26:21,836 INFO L290 TraceCheckUtils]: 34: Hoare triple {12025#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12026#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} is VALID [2022-04-08 09:26:21,836 INFO L290 TraceCheckUtils]: 35: Hoare triple {12026#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12027#(and (<= (div main_~x~0 4294967296) 0) (<= 268435381 main_~x~0))} is VALID [2022-04-08 09:26:21,837 INFO L290 TraceCheckUtils]: 36: Hoare triple {12027#(and (<= (div main_~x~0 4294967296) 0) (<= 268435381 main_~x~0))} assume !(~x~0 % 4294967296 > 1); {11993#false} is VALID [2022-04-08 09:26:21,837 INFO L272 TraceCheckUtils]: 37: Hoare triple {11993#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)); {11993#false} is VALID [2022-04-08 09:26:21,837 INFO L290 TraceCheckUtils]: 38: Hoare triple {11993#false} ~cond := #in~cond; {11993#false} is VALID [2022-04-08 09:26:21,837 INFO L290 TraceCheckUtils]: 39: Hoare triple {11993#false} assume 0 == ~cond; {11993#false} is VALID [2022-04-08 09:26:21,837 INFO L290 TraceCheckUtils]: 40: Hoare triple {11993#false} assume !false; {11993#false} is VALID [2022-04-08 09:26:21,837 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:26:21,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 09:26:21,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244961765] [2022-04-08 09:26:21,838 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [244961765] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-08 09:26:21,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [522217116] [2022-04-08 09:26:21,838 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-04-08 09:26:21,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 09:26:21,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 09:26:21,839 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) [2022-04-08 09:26:21,840 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2022-04-08 09:26:23,940 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 16 check-sat command(s) [2022-04-08 09:26:23,940 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 09:26:23,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 66 conjunts are in the unsatisfiable core [2022-04-08 09:26:23,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:26:23,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 09:26:24,305 INFO L272 TraceCheckUtils]: 0: Hoare triple {11992#true} call ULTIMATE.init(); {11992#true} is VALID [2022-04-08 09:26:24,305 INFO L290 TraceCheckUtils]: 1: Hoare triple {11992#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(13, 2);call #Ultimate.allocInit(12, 3); {11992#true} is VALID [2022-04-08 09:26:24,305 INFO L290 TraceCheckUtils]: 2: Hoare triple {11992#true} assume true; {11992#true} is VALID [2022-04-08 09:26:24,305 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {11992#true} {11992#true} #34#return; {11992#true} is VALID [2022-04-08 09:26:24,305 INFO L272 TraceCheckUtils]: 4: Hoare triple {11992#true} call #t~ret4 := main(); {11992#true} is VALID [2022-04-08 09:26:24,306 INFO L290 TraceCheckUtils]: 5: Hoare triple {11992#true} ~x~0 := 268435441; {11997#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:26:24,306 INFO L290 TraceCheckUtils]: 6: Hoare triple {11997#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11998#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:26:24,307 INFO L290 TraceCheckUtils]: 7: Hoare triple {11998#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {11999#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:26:24,307 INFO L290 TraceCheckUtils]: 8: Hoare triple {11999#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12000#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:26:24,308 INFO L290 TraceCheckUtils]: 9: Hoare triple {12000#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12001#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:26:24,308 INFO L290 TraceCheckUtils]: 10: Hoare triple {12001#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12002#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:26:24,309 INFO L290 TraceCheckUtils]: 11: Hoare triple {12002#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12003#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:26:24,309 INFO L290 TraceCheckUtils]: 12: Hoare triple {12003#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12004#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:26:24,310 INFO L290 TraceCheckUtils]: 13: Hoare triple {12004#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12005#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:26:24,310 INFO L290 TraceCheckUtils]: 14: Hoare triple {12005#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12006#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:26:24,311 INFO L290 TraceCheckUtils]: 15: Hoare triple {12006#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12007#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:26:24,311 INFO L290 TraceCheckUtils]: 16: Hoare triple {12007#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12008#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:26:24,312 INFO L290 TraceCheckUtils]: 17: Hoare triple {12008#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12009#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:26:24,312 INFO L290 TraceCheckUtils]: 18: Hoare triple {12009#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12010#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:26:24,313 INFO L290 TraceCheckUtils]: 19: Hoare triple {12010#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12011#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} is VALID [2022-04-08 09:26:24,313 INFO L290 TraceCheckUtils]: 20: Hoare triple {12011#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12012#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} is VALID [2022-04-08 09:26:24,314 INFO L290 TraceCheckUtils]: 21: Hoare triple {12012#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12013#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} is VALID [2022-04-08 09:26:24,314 INFO L290 TraceCheckUtils]: 22: Hoare triple {12013#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12014#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} is VALID [2022-04-08 09:26:24,315 INFO L290 TraceCheckUtils]: 23: Hoare triple {12014#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12015#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} is VALID [2022-04-08 09:26:24,315 INFO L290 TraceCheckUtils]: 24: Hoare triple {12015#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12016#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} is VALID [2022-04-08 09:26:24,316 INFO L290 TraceCheckUtils]: 25: Hoare triple {12016#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12017#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} is VALID [2022-04-08 09:26:24,316 INFO L290 TraceCheckUtils]: 26: Hoare triple {12017#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12018#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} is VALID [2022-04-08 09:26:24,317 INFO L290 TraceCheckUtils]: 27: Hoare triple {12018#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12019#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} is VALID [2022-04-08 09:26:24,317 INFO L290 TraceCheckUtils]: 28: Hoare triple {12019#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12020#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} is VALID [2022-04-08 09:26:24,318 INFO L290 TraceCheckUtils]: 29: Hoare triple {12020#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12021#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} is VALID [2022-04-08 09:26:24,318 INFO L290 TraceCheckUtils]: 30: Hoare triple {12021#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12022#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} is VALID [2022-04-08 09:26:24,319 INFO L290 TraceCheckUtils]: 31: Hoare triple {12022#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12023#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} is VALID [2022-04-08 09:26:24,319 INFO L290 TraceCheckUtils]: 32: Hoare triple {12023#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12024#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} is VALID [2022-04-08 09:26:24,320 INFO L290 TraceCheckUtils]: 33: Hoare triple {12024#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12025#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} is VALID [2022-04-08 09:26:24,320 INFO L290 TraceCheckUtils]: 34: Hoare triple {12025#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12026#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} is VALID [2022-04-08 09:26:24,321 INFO L290 TraceCheckUtils]: 35: Hoare triple {12026#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12137#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} is VALID [2022-04-08 09:26:24,321 INFO L290 TraceCheckUtils]: 36: Hoare triple {12137#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} assume !(~x~0 % 4294967296 > 1); {11993#false} is VALID [2022-04-08 09:26:24,322 INFO L272 TraceCheckUtils]: 37: Hoare triple {11993#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)); {11993#false} is VALID [2022-04-08 09:26:24,322 INFO L290 TraceCheckUtils]: 38: Hoare triple {11993#false} ~cond := #in~cond; {11993#false} is VALID [2022-04-08 09:26:24,322 INFO L290 TraceCheckUtils]: 39: Hoare triple {11993#false} assume 0 == ~cond; {11993#false} is VALID [2022-04-08 09:26:24,322 INFO L290 TraceCheckUtils]: 40: Hoare triple {11993#false} assume !false; {11993#false} is VALID [2022-04-08 09:26:24,322 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:26:24,322 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 09:26:26,467 INFO L290 TraceCheckUtils]: 40: Hoare triple {11993#false} assume !false; {11993#false} is VALID [2022-04-08 09:26:26,468 INFO L290 TraceCheckUtils]: 39: Hoare triple {12156#(not (<= __VERIFIER_assert_~cond 0))} assume 0 == ~cond; {11993#false} is VALID [2022-04-08 09:26:26,468 INFO L290 TraceCheckUtils]: 38: Hoare triple {12160#(< 0 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {12156#(not (<= __VERIFIER_assert_~cond 0))} is VALID [2022-04-08 09:26:26,469 INFO L272 TraceCheckUtils]: 37: Hoare triple {12164#(= (mod main_~x~0 2) 0)} 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)); {12160#(< 0 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-08 09:26:26,469 INFO L290 TraceCheckUtils]: 36: Hoare triple {12168#(or (< 1 (mod main_~x~0 4294967296)) (= (mod main_~x~0 2) 0))} assume !(~x~0 % 4294967296 > 1); {12164#(= (mod main_~x~0 2) 0)} is VALID [2022-04-08 09:26:26,471 INFO L290 TraceCheckUtils]: 35: Hoare triple {12172#(or (< 1 (mod (+ main_~x~0 4294967294) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12168#(or (< 1 (mod main_~x~0 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:26,472 INFO L290 TraceCheckUtils]: 34: Hoare triple {12176#(or (< 1 (mod (+ 4294967292 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12172#(or (< 1 (mod (+ main_~x~0 4294967294) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:26,472 INFO L290 TraceCheckUtils]: 33: Hoare triple {12180#(or (< 1 (mod (+ 4294967290 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12176#(or (< 1 (mod (+ 4294967292 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:26,474 INFO L290 TraceCheckUtils]: 32: Hoare triple {12184#(or (< 1 (mod (+ 4294967288 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12180#(or (< 1 (mod (+ 4294967290 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:26,474 INFO L290 TraceCheckUtils]: 31: Hoare triple {12188#(or (< 1 (mod (+ main_~x~0 4294967286) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12184#(or (< 1 (mod (+ 4294967288 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:26,475 INFO L290 TraceCheckUtils]: 30: Hoare triple {12192#(or (< 1 (mod (+ main_~x~0 4294967284) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12188#(or (< 1 (mod (+ main_~x~0 4294967286) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:26,476 INFO L290 TraceCheckUtils]: 29: Hoare triple {12196#(or (< 1 (mod (+ 4294967282 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12192#(or (< 1 (mod (+ main_~x~0 4294967284) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:26,477 INFO L290 TraceCheckUtils]: 28: Hoare triple {12200#(or (< 1 (mod (+ main_~x~0 4294967280) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12196#(or (< 1 (mod (+ 4294967282 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:26,477 INFO L290 TraceCheckUtils]: 27: Hoare triple {12204#(or (< 1 (mod (+ main_~x~0 4294967278) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12200#(or (< 1 (mod (+ main_~x~0 4294967280) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:26,478 INFO L290 TraceCheckUtils]: 26: Hoare triple {12208#(or (< 1 (mod (+ 4294967276 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12204#(or (< 1 (mod (+ main_~x~0 4294967278) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:26,480 INFO L290 TraceCheckUtils]: 25: Hoare triple {12212#(or (< 1 (mod (+ 4294967274 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12208#(or (< 1 (mod (+ 4294967276 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:26,481 INFO L290 TraceCheckUtils]: 24: Hoare triple {12216#(or (< 1 (mod (+ 4294967272 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12212#(or (< 1 (mod (+ 4294967274 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:26,481 INFO L290 TraceCheckUtils]: 23: Hoare triple {12220#(or (< 1 (mod (+ main_~x~0 4294967270) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12216#(or (< 1 (mod (+ 4294967272 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:26,482 INFO L290 TraceCheckUtils]: 22: Hoare triple {12224#(or (< 1 (mod (+ main_~x~0 4294967268) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12220#(or (< 1 (mod (+ main_~x~0 4294967270) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:26,484 INFO L290 TraceCheckUtils]: 21: Hoare triple {12228#(or (< 1 (mod (+ main_~x~0 4294967266) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12224#(or (< 1 (mod (+ main_~x~0 4294967268) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:26,485 INFO L290 TraceCheckUtils]: 20: Hoare triple {12232#(or (< 1 (mod (+ main_~x~0 4294967264) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12228#(or (< 1 (mod (+ main_~x~0 4294967266) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:26,493 INFO L290 TraceCheckUtils]: 19: Hoare triple {12236#(or (< 1 (mod (+ main_~x~0 4294967262) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12232#(or (< 1 (mod (+ main_~x~0 4294967264) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:26,494 INFO L290 TraceCheckUtils]: 18: Hoare triple {12240#(or (< 1 (mod (+ 4294967260 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12236#(or (< 1 (mod (+ main_~x~0 4294967262) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:26,495 INFO L290 TraceCheckUtils]: 17: Hoare triple {12244#(or (< 1 (mod (+ main_~x~0 4294967258) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12240#(or (< 1 (mod (+ 4294967260 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:26,496 INFO L290 TraceCheckUtils]: 16: Hoare triple {12248#(or (< 1 (mod (+ main_~x~0 4294967256) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12244#(or (< 1 (mod (+ main_~x~0 4294967258) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:26,497 INFO L290 TraceCheckUtils]: 15: Hoare triple {12252#(or (< 1 (mod (+ 4294967254 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12248#(or (< 1 (mod (+ main_~x~0 4294967256) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:26,500 INFO L290 TraceCheckUtils]: 14: Hoare triple {12256#(or (< 1 (mod (+ main_~x~0 4294967252) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12252#(or (< 1 (mod (+ 4294967254 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:26,501 INFO L290 TraceCheckUtils]: 13: Hoare triple {12260#(or (< 1 (mod (+ 4294967250 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12256#(or (< 1 (mod (+ main_~x~0 4294967252) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:26,502 INFO L290 TraceCheckUtils]: 12: Hoare triple {12264#(or (< 1 (mod (+ main_~x~0 4294967248) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12260#(or (< 1 (mod (+ 4294967250 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:26,503 INFO L290 TraceCheckUtils]: 11: Hoare triple {12268#(or (< 1 (mod (+ 4294967246 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12264#(or (< 1 (mod (+ main_~x~0 4294967248) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:26,503 INFO L290 TraceCheckUtils]: 10: Hoare triple {12272#(or (< 1 (mod (+ main_~x~0 4294967244) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12268#(or (< 1 (mod (+ 4294967246 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:26,504 INFO L290 TraceCheckUtils]: 9: Hoare triple {12276#(or (< 1 (mod (+ main_~x~0 4294967242) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12272#(or (< 1 (mod (+ main_~x~0 4294967244) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:26,505 INFO L290 TraceCheckUtils]: 8: Hoare triple {12280#(or (< 1 (mod (+ 4294967240 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12276#(or (< 1 (mod (+ main_~x~0 4294967242) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:26,506 INFO L290 TraceCheckUtils]: 7: Hoare triple {12284#(or (< 1 (mod (+ 4294967238 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12280#(or (< 1 (mod (+ 4294967240 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:26,507 INFO L290 TraceCheckUtils]: 6: Hoare triple {12288#(or (< 1 (mod (+ main_~x~0 4294967236) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12284#(or (< 1 (mod (+ 4294967238 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:26,507 INFO L290 TraceCheckUtils]: 5: Hoare triple {11992#true} ~x~0 := 268435441; {12288#(or (< 1 (mod (+ main_~x~0 4294967236) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:26,507 INFO L272 TraceCheckUtils]: 4: Hoare triple {11992#true} call #t~ret4 := main(); {11992#true} is VALID [2022-04-08 09:26:26,507 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {11992#true} {11992#true} #34#return; {11992#true} is VALID [2022-04-08 09:26:26,508 INFO L290 TraceCheckUtils]: 2: Hoare triple {11992#true} assume true; {11992#true} is VALID [2022-04-08 09:26:26,508 INFO L290 TraceCheckUtils]: 1: Hoare triple {11992#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(13, 2);call #Ultimate.allocInit(12, 3); {11992#true} is VALID [2022-04-08 09:26:26,508 INFO L272 TraceCheckUtils]: 0: Hoare triple {11992#true} call ULTIMATE.init(); {11992#true} is VALID [2022-04-08 09:26:26,508 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:26:26,508 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [522217116] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-08 09:26:26,508 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-08 09:26:26,509 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 33, 36] total 69 [2022-04-08 09:26:26,509 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 09:26:26,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1119713740] [2022-04-08 09:26:26,509 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1119713740] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 09:26:26,509 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 09:26:26,509 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [34] imperfect sequences [] total 34 [2022-04-08 09:26:26,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94097121] [2022-04-08 09:26:26,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 09:26:26,510 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 1.088235294117647) internal successors, (37), 33 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 [2022-04-08 09:26:26,510 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 09:26:26,510 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 34 states, 34 states have (on average 1.088235294117647) internal successors, (37), 33 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) [2022-04-08 09:26:26,533 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 41 edges. 41 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:26:26,534 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2022-04-08 09:26:26,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 09:26:26,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2022-04-08 09:26:26,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1189, Invalid=3503, Unknown=0, NotChecked=0, Total=4692 [2022-04-08 09:26:26,535 INFO L87 Difference]: Start difference. First operand 42 states and 42 transitions. Second operand has 34 states, 34 states have (on average 1.088235294117647) internal successors, (37), 33 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) [2022-04-08 09:26:28,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:26:28,588 INFO L93 Difference]: Finished difference Result 48 states and 48 transitions. [2022-04-08 09:26:28,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-04-08 09:26:28,589 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 1.088235294117647) internal successors, (37), 33 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 [2022-04-08 09:26:28,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 09:26:28,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 34 states have (on average 1.088235294117647) internal successors, (37), 33 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) [2022-04-08 09:26:28,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 48 transitions. [2022-04-08 09:26:28,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 34 states have (on average 1.088235294117647) internal successors, (37), 33 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) [2022-04-08 09:26:28,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 48 transitions. [2022-04-08 09:26:28,590 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 34 states and 48 transitions. [2022-04-08 09:26:28,621 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 48 edges. 48 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:26:28,622 INFO L225 Difference]: With dead ends: 48 [2022-04-08 09:26:28,622 INFO L226 Difference]: Without dead ends: 43 [2022-04-08 09:26:28,623 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 49 SyntacticMatches, 1 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 536 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=2334, Invalid=7566, Unknown=0, NotChecked=0, Total=9900 [2022-04-08 09:26:28,623 INFO L913 BasicCegarLoop]: 11 mSDtfsCounter, 6 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 992 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 1055 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 992 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-04-08 09:26:28,624 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 73 Invalid, 1055 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 992 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-04-08 09:26:28,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2022-04-08 09:26:28,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2022-04-08 09:26:28,665 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 09:26:28,666 INFO L82 GeneralOperation]: Start isEquivalent. First operand 43 states. Second operand has 43 states, 38 states have (on average 1.0263157894736843) internal successors, (39), 38 states have internal predecessors, (39), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:26:28,666 INFO L74 IsIncluded]: Start isIncluded. First operand 43 states. Second operand has 43 states, 38 states have (on average 1.0263157894736843) internal successors, (39), 38 states have internal predecessors, (39), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:26:28,666 INFO L87 Difference]: Start difference. First operand 43 states. Second operand has 43 states, 38 states have (on average 1.0263157894736843) internal successors, (39), 38 states have internal predecessors, (39), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:26:28,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:26:28,667 INFO L93 Difference]: Finished difference Result 43 states and 43 transitions. [2022-04-08 09:26:28,667 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 43 transitions. [2022-04-08 09:26:28,667 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:26:28,667 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:26:28,667 INFO L74 IsIncluded]: Start isIncluded. First operand has 43 states, 38 states have (on average 1.0263157894736843) internal successors, (39), 38 states have internal predecessors, (39), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 43 states. [2022-04-08 09:26:28,667 INFO L87 Difference]: Start difference. First operand has 43 states, 38 states have (on average 1.0263157894736843) internal successors, (39), 38 states have internal predecessors, (39), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 43 states. [2022-04-08 09:26:28,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:26:28,668 INFO L93 Difference]: Finished difference Result 43 states and 43 transitions. [2022-04-08 09:26:28,668 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 43 transitions. [2022-04-08 09:26:28,668 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:26:28,668 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:26:28,668 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 09:26:28,668 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 09:26:28,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 38 states have (on average 1.0263157894736843) internal successors, (39), 38 states have internal predecessors, (39), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:26:28,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 43 transitions. [2022-04-08 09:26:28,669 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 43 transitions. Word has length 41 [2022-04-08 09:26:28,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 09:26:28,670 INFO L478 AbstractCegarLoop]: Abstraction has 43 states and 43 transitions. [2022-04-08 09:26:28,670 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 1.088235294117647) internal successors, (37), 33 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) [2022-04-08 09:26:28,670 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 43 states and 43 transitions. [2022-04-08 09:26:28,712 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 43 edges. 43 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:26:28,712 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 43 transitions. [2022-04-08 09:26:28,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-04-08 09:26:28,712 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 09:26:28,712 INFO L499 BasicCegarLoop]: trace histogram [31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 09:26:28,717 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2022-04-08 09:26:28,917 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2022-04-08 09:26:28,918 INFO L403 AbstractCegarLoop]: === Iteration 33 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 09:26:28,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 09:26:28,918 INFO L85 PathProgramCache]: Analyzing trace with hash -1940680266, now seen corresponding path program 61 times [2022-04-08 09:26:28,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 09:26:28,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1407216567] [2022-04-08 09:26:28,920 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-08 09:26:28,921 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-08 09:26:28,921 INFO L85 PathProgramCache]: Analyzing trace with hash -1940680266, now seen corresponding path program 62 times [2022-04-08 09:26:28,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 09:26:28,921 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642616173] [2022-04-08 09:26:28,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 09:26:28,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 09:26:28,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:26:29,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-08 09:26:29,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:26:29,643 INFO L290 TraceCheckUtils]: 0: Hoare triple {12676#(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(13, 2);call #Ultimate.allocInit(12, 3); {12639#true} is VALID [2022-04-08 09:26:29,643 INFO L290 TraceCheckUtils]: 1: Hoare triple {12639#true} assume true; {12639#true} is VALID [2022-04-08 09:26:29,643 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {12639#true} {12639#true} #34#return; {12639#true} is VALID [2022-04-08 09:26:29,644 INFO L272 TraceCheckUtils]: 0: Hoare triple {12639#true} call ULTIMATE.init(); {12676#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-08 09:26:29,644 INFO L290 TraceCheckUtils]: 1: Hoare triple {12676#(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(13, 2);call #Ultimate.allocInit(12, 3); {12639#true} is VALID [2022-04-08 09:26:29,644 INFO L290 TraceCheckUtils]: 2: Hoare triple {12639#true} assume true; {12639#true} is VALID [2022-04-08 09:26:29,644 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {12639#true} {12639#true} #34#return; {12639#true} is VALID [2022-04-08 09:26:29,644 INFO L272 TraceCheckUtils]: 4: Hoare triple {12639#true} call #t~ret4 := main(); {12639#true} is VALID [2022-04-08 09:26:29,644 INFO L290 TraceCheckUtils]: 5: Hoare triple {12639#true} ~x~0 := 268435441; {12644#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:26:29,645 INFO L290 TraceCheckUtils]: 6: Hoare triple {12644#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12645#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:26:29,645 INFO L290 TraceCheckUtils]: 7: Hoare triple {12645#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12646#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:26:29,646 INFO L290 TraceCheckUtils]: 8: Hoare triple {12646#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12647#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:26:29,646 INFO L290 TraceCheckUtils]: 9: Hoare triple {12647#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12648#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:26:29,647 INFO L290 TraceCheckUtils]: 10: Hoare triple {12648#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12649#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:26:29,648 INFO L290 TraceCheckUtils]: 11: Hoare triple {12649#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12650#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:26:29,648 INFO L290 TraceCheckUtils]: 12: Hoare triple {12650#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12651#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:26:29,649 INFO L290 TraceCheckUtils]: 13: Hoare triple {12651#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12652#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:26:29,649 INFO L290 TraceCheckUtils]: 14: Hoare triple {12652#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12653#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:26:29,650 INFO L290 TraceCheckUtils]: 15: Hoare triple {12653#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12654#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:26:29,650 INFO L290 TraceCheckUtils]: 16: Hoare triple {12654#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12655#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:26:29,651 INFO L290 TraceCheckUtils]: 17: Hoare triple {12655#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12656#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:26:29,651 INFO L290 TraceCheckUtils]: 18: Hoare triple {12656#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12657#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:26:29,652 INFO L290 TraceCheckUtils]: 19: Hoare triple {12657#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12658#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} is VALID [2022-04-08 09:26:29,652 INFO L290 TraceCheckUtils]: 20: Hoare triple {12658#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12659#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} is VALID [2022-04-08 09:26:29,653 INFO L290 TraceCheckUtils]: 21: Hoare triple {12659#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12660#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} is VALID [2022-04-08 09:26:29,653 INFO L290 TraceCheckUtils]: 22: Hoare triple {12660#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12661#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} is VALID [2022-04-08 09:26:29,654 INFO L290 TraceCheckUtils]: 23: Hoare triple {12661#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12662#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} is VALID [2022-04-08 09:26:29,654 INFO L290 TraceCheckUtils]: 24: Hoare triple {12662#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12663#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} is VALID [2022-04-08 09:26:29,655 INFO L290 TraceCheckUtils]: 25: Hoare triple {12663#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12664#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} is VALID [2022-04-08 09:26:29,655 INFO L290 TraceCheckUtils]: 26: Hoare triple {12664#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12665#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} is VALID [2022-04-08 09:26:29,656 INFO L290 TraceCheckUtils]: 27: Hoare triple {12665#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12666#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} is VALID [2022-04-08 09:26:29,656 INFO L290 TraceCheckUtils]: 28: Hoare triple {12666#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12667#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} is VALID [2022-04-08 09:26:29,657 INFO L290 TraceCheckUtils]: 29: Hoare triple {12667#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12668#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} is VALID [2022-04-08 09:26:29,657 INFO L290 TraceCheckUtils]: 30: Hoare triple {12668#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12669#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} is VALID [2022-04-08 09:26:29,658 INFO L290 TraceCheckUtils]: 31: Hoare triple {12669#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12670#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} is VALID [2022-04-08 09:26:29,658 INFO L290 TraceCheckUtils]: 32: Hoare triple {12670#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12671#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} is VALID [2022-04-08 09:26:29,659 INFO L290 TraceCheckUtils]: 33: Hoare triple {12671#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12672#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} is VALID [2022-04-08 09:26:29,659 INFO L290 TraceCheckUtils]: 34: Hoare triple {12672#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12673#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} is VALID [2022-04-08 09:26:29,660 INFO L290 TraceCheckUtils]: 35: Hoare triple {12673#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12674#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} is VALID [2022-04-08 09:26:29,660 INFO L290 TraceCheckUtils]: 36: Hoare triple {12674#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12675#(and (<= (div main_~x~0 4294967296) 0) (<= 268435379 main_~x~0))} is VALID [2022-04-08 09:26:29,661 INFO L290 TraceCheckUtils]: 37: Hoare triple {12675#(and (<= (div main_~x~0 4294967296) 0) (<= 268435379 main_~x~0))} assume !(~x~0 % 4294967296 > 1); {12640#false} is VALID [2022-04-08 09:26:29,661 INFO L272 TraceCheckUtils]: 38: Hoare triple {12640#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)); {12640#false} is VALID [2022-04-08 09:26:29,661 INFO L290 TraceCheckUtils]: 39: Hoare triple {12640#false} ~cond := #in~cond; {12640#false} is VALID [2022-04-08 09:26:29,661 INFO L290 TraceCheckUtils]: 40: Hoare triple {12640#false} assume 0 == ~cond; {12640#false} is VALID [2022-04-08 09:26:29,661 INFO L290 TraceCheckUtils]: 41: Hoare triple {12640#false} assume !false; {12640#false} is VALID [2022-04-08 09:26:29,662 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:26:29,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 09:26:29,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642616173] [2022-04-08 09:26:29,662 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642616173] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-08 09:26:29,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [403235615] [2022-04-08 09:26:29,662 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-08 09:26:29,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 09:26:29,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 09:26:29,663 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) [2022-04-08 09:26:29,664 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2022-04-08 09:26:29,709 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-08 09:26:29,709 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 09:26:29,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 68 conjunts are in the unsatisfiable core [2022-04-08 09:26:29,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:26:29,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 09:26:30,097 INFO L272 TraceCheckUtils]: 0: Hoare triple {12639#true} call ULTIMATE.init(); {12639#true} is VALID [2022-04-08 09:26:30,097 INFO L290 TraceCheckUtils]: 1: Hoare triple {12639#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(13, 2);call #Ultimate.allocInit(12, 3); {12639#true} is VALID [2022-04-08 09:26:30,097 INFO L290 TraceCheckUtils]: 2: Hoare triple {12639#true} assume true; {12639#true} is VALID [2022-04-08 09:26:30,097 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {12639#true} {12639#true} #34#return; {12639#true} is VALID [2022-04-08 09:26:30,097 INFO L272 TraceCheckUtils]: 4: Hoare triple {12639#true} call #t~ret4 := main(); {12639#true} is VALID [2022-04-08 09:26:30,098 INFO L290 TraceCheckUtils]: 5: Hoare triple {12639#true} ~x~0 := 268435441; {12644#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:26:30,098 INFO L290 TraceCheckUtils]: 6: Hoare triple {12644#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12645#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:26:30,099 INFO L290 TraceCheckUtils]: 7: Hoare triple {12645#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12646#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:26:30,099 INFO L290 TraceCheckUtils]: 8: Hoare triple {12646#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12647#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:26:30,100 INFO L290 TraceCheckUtils]: 9: Hoare triple {12647#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12648#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:26:30,100 INFO L290 TraceCheckUtils]: 10: Hoare triple {12648#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12649#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:26:30,101 INFO L290 TraceCheckUtils]: 11: Hoare triple {12649#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12650#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:26:30,101 INFO L290 TraceCheckUtils]: 12: Hoare triple {12650#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12651#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:26:30,102 INFO L290 TraceCheckUtils]: 13: Hoare triple {12651#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12652#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:26:30,102 INFO L290 TraceCheckUtils]: 14: Hoare triple {12652#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12653#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:26:30,103 INFO L290 TraceCheckUtils]: 15: Hoare triple {12653#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12654#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:26:30,103 INFO L290 TraceCheckUtils]: 16: Hoare triple {12654#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12655#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:26:30,104 INFO L290 TraceCheckUtils]: 17: Hoare triple {12655#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12656#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:26:30,105 INFO L290 TraceCheckUtils]: 18: Hoare triple {12656#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12657#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:26:30,105 INFO L290 TraceCheckUtils]: 19: Hoare triple {12657#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12658#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} is VALID [2022-04-08 09:26:30,106 INFO L290 TraceCheckUtils]: 20: Hoare triple {12658#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12659#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} is VALID [2022-04-08 09:26:30,106 INFO L290 TraceCheckUtils]: 21: Hoare triple {12659#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12660#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} is VALID [2022-04-08 09:26:30,107 INFO L290 TraceCheckUtils]: 22: Hoare triple {12660#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12661#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} is VALID [2022-04-08 09:26:30,107 INFO L290 TraceCheckUtils]: 23: Hoare triple {12661#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12662#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} is VALID [2022-04-08 09:26:30,108 INFO L290 TraceCheckUtils]: 24: Hoare triple {12662#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12663#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} is VALID [2022-04-08 09:26:30,108 INFO L290 TraceCheckUtils]: 25: Hoare triple {12663#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12664#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} is VALID [2022-04-08 09:26:30,109 INFO L290 TraceCheckUtils]: 26: Hoare triple {12664#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12665#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} is VALID [2022-04-08 09:26:30,109 INFO L290 TraceCheckUtils]: 27: Hoare triple {12665#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12666#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} is VALID [2022-04-08 09:26:30,110 INFO L290 TraceCheckUtils]: 28: Hoare triple {12666#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12667#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} is VALID [2022-04-08 09:26:30,110 INFO L290 TraceCheckUtils]: 29: Hoare triple {12667#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12668#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} is VALID [2022-04-08 09:26:30,111 INFO L290 TraceCheckUtils]: 30: Hoare triple {12668#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12669#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} is VALID [2022-04-08 09:26:30,111 INFO L290 TraceCheckUtils]: 31: Hoare triple {12669#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12670#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} is VALID [2022-04-08 09:26:30,112 INFO L290 TraceCheckUtils]: 32: Hoare triple {12670#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12671#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} is VALID [2022-04-08 09:26:30,112 INFO L290 TraceCheckUtils]: 33: Hoare triple {12671#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12672#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} is VALID [2022-04-08 09:26:30,113 INFO L290 TraceCheckUtils]: 34: Hoare triple {12672#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12673#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} is VALID [2022-04-08 09:26:30,113 INFO L290 TraceCheckUtils]: 35: Hoare triple {12673#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12674#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} is VALID [2022-04-08 09:26:30,114 INFO L290 TraceCheckUtils]: 36: Hoare triple {12674#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12788#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} is VALID [2022-04-08 09:26:30,114 INFO L290 TraceCheckUtils]: 37: Hoare triple {12788#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} assume !(~x~0 % 4294967296 > 1); {12640#false} is VALID [2022-04-08 09:26:30,114 INFO L272 TraceCheckUtils]: 38: Hoare triple {12640#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)); {12640#false} is VALID [2022-04-08 09:26:30,114 INFO L290 TraceCheckUtils]: 39: Hoare triple {12640#false} ~cond := #in~cond; {12640#false} is VALID [2022-04-08 09:26:30,115 INFO L290 TraceCheckUtils]: 40: Hoare triple {12640#false} assume 0 == ~cond; {12640#false} is VALID [2022-04-08 09:26:30,115 INFO L290 TraceCheckUtils]: 41: Hoare triple {12640#false} assume !false; {12640#false} is VALID [2022-04-08 09:26:30,115 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:26:30,115 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 09:26:32,397 INFO L290 TraceCheckUtils]: 41: Hoare triple {12640#false} assume !false; {12640#false} is VALID [2022-04-08 09:26:32,398 INFO L290 TraceCheckUtils]: 40: Hoare triple {12807#(not (<= __VERIFIER_assert_~cond 0))} assume 0 == ~cond; {12640#false} is VALID [2022-04-08 09:26:32,398 INFO L290 TraceCheckUtils]: 39: Hoare triple {12811#(< 0 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {12807#(not (<= __VERIFIER_assert_~cond 0))} is VALID [2022-04-08 09:26:32,399 INFO L272 TraceCheckUtils]: 38: Hoare triple {12815#(= (mod main_~x~0 2) 0)} 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)); {12811#(< 0 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-08 09:26:32,399 INFO L290 TraceCheckUtils]: 37: Hoare triple {12819#(or (< 1 (mod main_~x~0 4294967296)) (= (mod main_~x~0 2) 0))} assume !(~x~0 % 4294967296 > 1); {12815#(= (mod main_~x~0 2) 0)} is VALID [2022-04-08 09:26:32,401 INFO L290 TraceCheckUtils]: 36: Hoare triple {12823#(or (< 1 (mod (+ main_~x~0 4294967294) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12819#(or (< 1 (mod main_~x~0 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:32,401 INFO L290 TraceCheckUtils]: 35: Hoare triple {12827#(or (< 1 (mod (+ 4294967292 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12823#(or (< 1 (mod (+ main_~x~0 4294967294) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:32,402 INFO L290 TraceCheckUtils]: 34: Hoare triple {12831#(or (< 1 (mod (+ 4294967290 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12827#(or (< 1 (mod (+ 4294967292 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:32,403 INFO L290 TraceCheckUtils]: 33: Hoare triple {12835#(or (< 1 (mod (+ 4294967288 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12831#(or (< 1 (mod (+ 4294967290 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:32,404 INFO L290 TraceCheckUtils]: 32: Hoare triple {12839#(or (< 1 (mod (+ main_~x~0 4294967286) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12835#(or (< 1 (mod (+ 4294967288 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:32,406 INFO L290 TraceCheckUtils]: 31: Hoare triple {12843#(or (< 1 (mod (+ main_~x~0 4294967284) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12839#(or (< 1 (mod (+ main_~x~0 4294967286) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:32,406 INFO L290 TraceCheckUtils]: 30: Hoare triple {12847#(or (< 1 (mod (+ 4294967282 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12843#(or (< 1 (mod (+ main_~x~0 4294967284) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:32,407 INFO L290 TraceCheckUtils]: 29: Hoare triple {12851#(or (< 1 (mod (+ main_~x~0 4294967280) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12847#(or (< 1 (mod (+ 4294967282 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:32,408 INFO L290 TraceCheckUtils]: 28: Hoare triple {12855#(or (< 1 (mod (+ main_~x~0 4294967278) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12851#(or (< 1 (mod (+ main_~x~0 4294967280) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:32,409 INFO L290 TraceCheckUtils]: 27: Hoare triple {12859#(or (< 1 (mod (+ 4294967276 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12855#(or (< 1 (mod (+ main_~x~0 4294967278) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:32,410 INFO L290 TraceCheckUtils]: 26: Hoare triple {12863#(or (< 1 (mod (+ 4294967274 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12859#(or (< 1 (mod (+ 4294967276 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:32,410 INFO L290 TraceCheckUtils]: 25: Hoare triple {12867#(or (< 1 (mod (+ 4294967272 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12863#(or (< 1 (mod (+ 4294967274 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:32,412 INFO L290 TraceCheckUtils]: 24: Hoare triple {12871#(or (< 1 (mod (+ main_~x~0 4294967270) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12867#(or (< 1 (mod (+ 4294967272 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:32,412 INFO L290 TraceCheckUtils]: 23: Hoare triple {12875#(or (< 1 (mod (+ main_~x~0 4294967268) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12871#(or (< 1 (mod (+ main_~x~0 4294967270) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:32,413 INFO L290 TraceCheckUtils]: 22: Hoare triple {12879#(or (< 1 (mod (+ main_~x~0 4294967266) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12875#(or (< 1 (mod (+ main_~x~0 4294967268) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:32,414 INFO L290 TraceCheckUtils]: 21: Hoare triple {12883#(or (< 1 (mod (+ main_~x~0 4294967264) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12879#(or (< 1 (mod (+ main_~x~0 4294967266) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:32,419 INFO L290 TraceCheckUtils]: 20: Hoare triple {12887#(or (< 1 (mod (+ main_~x~0 4294967262) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12883#(or (< 1 (mod (+ main_~x~0 4294967264) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:32,420 INFO L290 TraceCheckUtils]: 19: Hoare triple {12891#(or (< 1 (mod (+ 4294967260 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12887#(or (< 1 (mod (+ main_~x~0 4294967262) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:32,421 INFO L290 TraceCheckUtils]: 18: Hoare triple {12895#(or (< 1 (mod (+ main_~x~0 4294967258) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12891#(or (< 1 (mod (+ 4294967260 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:32,422 INFO L290 TraceCheckUtils]: 17: Hoare triple {12899#(or (< 1 (mod (+ main_~x~0 4294967256) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12895#(or (< 1 (mod (+ main_~x~0 4294967258) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:32,422 INFO L290 TraceCheckUtils]: 16: Hoare triple {12903#(or (< 1 (mod (+ 4294967254 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12899#(or (< 1 (mod (+ main_~x~0 4294967256) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:32,424 INFO L290 TraceCheckUtils]: 15: Hoare triple {12907#(or (< 1 (mod (+ main_~x~0 4294967252) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12903#(or (< 1 (mod (+ 4294967254 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:32,424 INFO L290 TraceCheckUtils]: 14: Hoare triple {12911#(or (< 1 (mod (+ 4294967250 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12907#(or (< 1 (mod (+ main_~x~0 4294967252) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:32,425 INFO L290 TraceCheckUtils]: 13: Hoare triple {12915#(or (< 1 (mod (+ main_~x~0 4294967248) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12911#(or (< 1 (mod (+ 4294967250 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:32,426 INFO L290 TraceCheckUtils]: 12: Hoare triple {12919#(or (< 1 (mod (+ 4294967246 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12915#(or (< 1 (mod (+ main_~x~0 4294967248) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:32,428 INFO L290 TraceCheckUtils]: 11: Hoare triple {12923#(or (< 1 (mod (+ main_~x~0 4294967244) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12919#(or (< 1 (mod (+ 4294967246 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:32,429 INFO L290 TraceCheckUtils]: 10: Hoare triple {12927#(or (< 1 (mod (+ main_~x~0 4294967242) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12923#(or (< 1 (mod (+ main_~x~0 4294967244) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:32,429 INFO L290 TraceCheckUtils]: 9: Hoare triple {12931#(or (< 1 (mod (+ 4294967240 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12927#(or (< 1 (mod (+ main_~x~0 4294967242) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:32,430 INFO L290 TraceCheckUtils]: 8: Hoare triple {12935#(or (< 1 (mod (+ 4294967238 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12931#(or (< 1 (mod (+ 4294967240 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:32,431 INFO L290 TraceCheckUtils]: 7: Hoare triple {12939#(or (< 1 (mod (+ main_~x~0 4294967236) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12935#(or (< 1 (mod (+ 4294967238 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:32,432 INFO L290 TraceCheckUtils]: 6: Hoare triple {12943#(or (< 1 (mod (+ main_~x~0 4294967234) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {12939#(or (< 1 (mod (+ main_~x~0 4294967236) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:32,433 INFO L290 TraceCheckUtils]: 5: Hoare triple {12639#true} ~x~0 := 268435441; {12943#(or (< 1 (mod (+ main_~x~0 4294967234) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:32,433 INFO L272 TraceCheckUtils]: 4: Hoare triple {12639#true} call #t~ret4 := main(); {12639#true} is VALID [2022-04-08 09:26:32,433 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {12639#true} {12639#true} #34#return; {12639#true} is VALID [2022-04-08 09:26:32,433 INFO L290 TraceCheckUtils]: 2: Hoare triple {12639#true} assume true; {12639#true} is VALID [2022-04-08 09:26:32,433 INFO L290 TraceCheckUtils]: 1: Hoare triple {12639#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(13, 2);call #Ultimate.allocInit(12, 3); {12639#true} is VALID [2022-04-08 09:26:32,433 INFO L272 TraceCheckUtils]: 0: Hoare triple {12639#true} call ULTIMATE.init(); {12639#true} is VALID [2022-04-08 09:26:32,434 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:26:32,434 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [403235615] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-08 09:26:32,434 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-08 09:26:32,434 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 34, 37] total 71 [2022-04-08 09:26:32,435 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 09:26:32,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1407216567] [2022-04-08 09:26:32,435 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1407216567] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 09:26:32,435 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 09:26:32,435 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2022-04-08 09:26:32,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337163555] [2022-04-08 09:26:32,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 09:26:32,436 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 1.0857142857142856) internal successors, (38), 34 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 [2022-04-08 09:26:32,436 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 09:26:32,436 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 35 states, 35 states have (on average 1.0857142857142856) internal successors, (38), 34 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) [2022-04-08 09:26:32,469 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 42 edges. 42 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:26:32,469 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2022-04-08 09:26:32,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 09:26:32,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2022-04-08 09:26:32,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1259, Invalid=3711, Unknown=0, NotChecked=0, Total=4970 [2022-04-08 09:26:32,470 INFO L87 Difference]: Start difference. First operand 43 states and 43 transitions. Second operand has 35 states, 35 states have (on average 1.0857142857142856) internal successors, (38), 34 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) [2022-04-08 09:26:34,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:26:34,633 INFO L93 Difference]: Finished difference Result 49 states and 49 transitions. [2022-04-08 09:26:34,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-04-08 09:26:34,634 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 1.0857142857142856) internal successors, (38), 34 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 [2022-04-08 09:26:34,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 09:26:34,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 35 states have (on average 1.0857142857142856) internal successors, (38), 34 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) [2022-04-08 09:26:34,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2022-04-08 09:26:34,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 35 states have (on average 1.0857142857142856) internal successors, (38), 34 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) [2022-04-08 09:26:34,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2022-04-08 09:26:34,636 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 35 states and 49 transitions. [2022-04-08 09:26:34,667 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 49 edges. 49 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:26:34,668 INFO L225 Difference]: With dead ends: 49 [2022-04-08 09:26:34,668 INFO L226 Difference]: Without dead ends: 44 [2022-04-08 09:26:34,669 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 50 SyntacticMatches, 1 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 569 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=2473, Invalid=8033, Unknown=0, NotChecked=0, Total=10506 [2022-04-08 09:26:34,670 INFO L913 BasicCegarLoop]: 11 mSDtfsCounter, 6 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 1009 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 1074 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 1009 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-04-08 09:26:34,670 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 28 Invalid, 1074 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 1009 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-04-08 09:26:34,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2022-04-08 09:26:34,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2022-04-08 09:26:34,721 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 09:26:34,721 INFO L82 GeneralOperation]: Start isEquivalent. First operand 44 states. Second operand has 44 states, 39 states have (on average 1.0256410256410255) internal successors, (40), 39 states have internal predecessors, (40), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:26:34,721 INFO L74 IsIncluded]: Start isIncluded. First operand 44 states. Second operand has 44 states, 39 states have (on average 1.0256410256410255) internal successors, (40), 39 states have internal predecessors, (40), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:26:34,721 INFO L87 Difference]: Start difference. First operand 44 states. Second operand has 44 states, 39 states have (on average 1.0256410256410255) internal successors, (40), 39 states have internal predecessors, (40), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:26:34,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:26:34,722 INFO L93 Difference]: Finished difference Result 44 states and 44 transitions. [2022-04-08 09:26:34,722 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 44 transitions. [2022-04-08 09:26:34,722 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:26:34,722 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:26:34,723 INFO L74 IsIncluded]: Start isIncluded. First operand has 44 states, 39 states have (on average 1.0256410256410255) internal successors, (40), 39 states have internal predecessors, (40), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 44 states. [2022-04-08 09:26:34,723 INFO L87 Difference]: Start difference. First operand has 44 states, 39 states have (on average 1.0256410256410255) internal successors, (40), 39 states have internal predecessors, (40), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 44 states. [2022-04-08 09:26:34,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:26:34,724 INFO L93 Difference]: Finished difference Result 44 states and 44 transitions. [2022-04-08 09:26:34,724 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 44 transitions. [2022-04-08 09:26:34,724 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:26:34,724 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:26:34,724 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 09:26:34,724 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 09:26:34,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 39 states have (on average 1.0256410256410255) internal successors, (40), 39 states have internal predecessors, (40), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:26:34,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 44 transitions. [2022-04-08 09:26:34,725 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 44 transitions. Word has length 42 [2022-04-08 09:26:34,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 09:26:34,725 INFO L478 AbstractCegarLoop]: Abstraction has 44 states and 44 transitions. [2022-04-08 09:26:34,725 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 1.0857142857142856) internal successors, (38), 34 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) [2022-04-08 09:26:34,725 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 44 states and 44 transitions. [2022-04-08 09:26:34,759 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 44 edges. 44 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:26:34,759 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 44 transitions. [2022-04-08 09:26:34,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-04-08 09:26:34,760 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 09:26:34,760 INFO L499 BasicCegarLoop]: trace histogram [32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 09:26:34,776 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2022-04-08 09:26:34,960 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 09:26:34,960 INFO L403 AbstractCegarLoop]: === Iteration 34 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 09:26:34,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 09:26:34,961 INFO L85 PathProgramCache]: Analyzing trace with hash 4915164, now seen corresponding path program 63 times [2022-04-08 09:26:34,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 09:26:34,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [321158902] [2022-04-08 09:26:34,963 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-08 09:26:34,963 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-08 09:26:34,963 INFO L85 PathProgramCache]: Analyzing trace with hash 4915164, now seen corresponding path program 64 times [2022-04-08 09:26:34,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 09:26:34,963 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47010202] [2022-04-08 09:26:34,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 09:26:34,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 09:26:34,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:26:35,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-08 09:26:35,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:26:35,676 INFO L290 TraceCheckUtils]: 0: Hoare triple {13340#(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(13, 2);call #Ultimate.allocInit(12, 3); {13302#true} is VALID [2022-04-08 09:26:35,677 INFO L290 TraceCheckUtils]: 1: Hoare triple {13302#true} assume true; {13302#true} is VALID [2022-04-08 09:26:35,677 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {13302#true} {13302#true} #34#return; {13302#true} is VALID [2022-04-08 09:26:35,678 INFO L272 TraceCheckUtils]: 0: Hoare triple {13302#true} call ULTIMATE.init(); {13340#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-08 09:26:35,678 INFO L290 TraceCheckUtils]: 1: Hoare triple {13340#(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(13, 2);call #Ultimate.allocInit(12, 3); {13302#true} is VALID [2022-04-08 09:26:35,678 INFO L290 TraceCheckUtils]: 2: Hoare triple {13302#true} assume true; {13302#true} is VALID [2022-04-08 09:26:35,678 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {13302#true} {13302#true} #34#return; {13302#true} is VALID [2022-04-08 09:26:35,678 INFO L272 TraceCheckUtils]: 4: Hoare triple {13302#true} call #t~ret4 := main(); {13302#true} is VALID [2022-04-08 09:26:35,679 INFO L290 TraceCheckUtils]: 5: Hoare triple {13302#true} ~x~0 := 268435441; {13307#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:26:35,679 INFO L290 TraceCheckUtils]: 6: Hoare triple {13307#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13308#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:26:35,680 INFO L290 TraceCheckUtils]: 7: Hoare triple {13308#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13309#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:26:35,681 INFO L290 TraceCheckUtils]: 8: Hoare triple {13309#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13310#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:26:35,682 INFO L290 TraceCheckUtils]: 9: Hoare triple {13310#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13311#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:26:35,682 INFO L290 TraceCheckUtils]: 10: Hoare triple {13311#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13312#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:26:35,683 INFO L290 TraceCheckUtils]: 11: Hoare triple {13312#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13313#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:26:35,684 INFO L290 TraceCheckUtils]: 12: Hoare triple {13313#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13314#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:26:35,684 INFO L290 TraceCheckUtils]: 13: Hoare triple {13314#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13315#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:26:35,685 INFO L290 TraceCheckUtils]: 14: Hoare triple {13315#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13316#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:26:35,686 INFO L290 TraceCheckUtils]: 15: Hoare triple {13316#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13317#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:26:35,686 INFO L290 TraceCheckUtils]: 16: Hoare triple {13317#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13318#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:26:35,687 INFO L290 TraceCheckUtils]: 17: Hoare triple {13318#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13319#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:26:35,688 INFO L290 TraceCheckUtils]: 18: Hoare triple {13319#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13320#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:26:35,689 INFO L290 TraceCheckUtils]: 19: Hoare triple {13320#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13321#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} is VALID [2022-04-08 09:26:35,689 INFO L290 TraceCheckUtils]: 20: Hoare triple {13321#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13322#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} is VALID [2022-04-08 09:26:35,690 INFO L290 TraceCheckUtils]: 21: Hoare triple {13322#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13323#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} is VALID [2022-04-08 09:26:35,691 INFO L290 TraceCheckUtils]: 22: Hoare triple {13323#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13324#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} is VALID [2022-04-08 09:26:35,691 INFO L290 TraceCheckUtils]: 23: Hoare triple {13324#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13325#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} is VALID [2022-04-08 09:26:35,692 INFO L290 TraceCheckUtils]: 24: Hoare triple {13325#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13326#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} is VALID [2022-04-08 09:26:35,693 INFO L290 TraceCheckUtils]: 25: Hoare triple {13326#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13327#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} is VALID [2022-04-08 09:26:35,693 INFO L290 TraceCheckUtils]: 26: Hoare triple {13327#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13328#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} is VALID [2022-04-08 09:26:35,694 INFO L290 TraceCheckUtils]: 27: Hoare triple {13328#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13329#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} is VALID [2022-04-08 09:26:35,694 INFO L290 TraceCheckUtils]: 28: Hoare triple {13329#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13330#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} is VALID [2022-04-08 09:26:35,695 INFO L290 TraceCheckUtils]: 29: Hoare triple {13330#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13331#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} is VALID [2022-04-08 09:26:35,695 INFO L290 TraceCheckUtils]: 30: Hoare triple {13331#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13332#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} is VALID [2022-04-08 09:26:35,696 INFO L290 TraceCheckUtils]: 31: Hoare triple {13332#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13333#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} is VALID [2022-04-08 09:26:35,696 INFO L290 TraceCheckUtils]: 32: Hoare triple {13333#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13334#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} is VALID [2022-04-08 09:26:35,697 INFO L290 TraceCheckUtils]: 33: Hoare triple {13334#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13335#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} is VALID [2022-04-08 09:26:35,697 INFO L290 TraceCheckUtils]: 34: Hoare triple {13335#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13336#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} is VALID [2022-04-08 09:26:35,698 INFO L290 TraceCheckUtils]: 35: Hoare triple {13336#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13337#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} is VALID [2022-04-08 09:26:35,698 INFO L290 TraceCheckUtils]: 36: Hoare triple {13337#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13338#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} is VALID [2022-04-08 09:26:35,699 INFO L290 TraceCheckUtils]: 37: Hoare triple {13338#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13339#(and (<= (div main_~x~0 4294967296) 0) (<= 268435377 main_~x~0))} is VALID [2022-04-08 09:26:35,700 INFO L290 TraceCheckUtils]: 38: Hoare triple {13339#(and (<= (div main_~x~0 4294967296) 0) (<= 268435377 main_~x~0))} assume !(~x~0 % 4294967296 > 1); {13303#false} is VALID [2022-04-08 09:26:35,700 INFO L272 TraceCheckUtils]: 39: Hoare triple {13303#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)); {13303#false} is VALID [2022-04-08 09:26:35,700 INFO L290 TraceCheckUtils]: 40: Hoare triple {13303#false} ~cond := #in~cond; {13303#false} is VALID [2022-04-08 09:26:35,700 INFO L290 TraceCheckUtils]: 41: Hoare triple {13303#false} assume 0 == ~cond; {13303#false} is VALID [2022-04-08 09:26:35,700 INFO L290 TraceCheckUtils]: 42: Hoare triple {13303#false} assume !false; {13303#false} is VALID [2022-04-08 09:26:35,701 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:26:35,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 09:26:35,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47010202] [2022-04-08 09:26:35,701 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [47010202] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-08 09:26:35,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [354125232] [2022-04-08 09:26:35,702 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-08 09:26:35,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 09:26:35,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 09:26:35,703 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) [2022-04-08 09:26:35,706 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2022-04-08 09:26:35,797 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-08 09:26:35,798 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 09:26:35,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 67 conjunts are in the unsatisfiable core [2022-04-08 09:26:35,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:26:35,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 09:26:36,255 INFO L272 TraceCheckUtils]: 0: Hoare triple {13302#true} call ULTIMATE.init(); {13302#true} is VALID [2022-04-08 09:26:36,255 INFO L290 TraceCheckUtils]: 1: Hoare triple {13302#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(13, 2);call #Ultimate.allocInit(12, 3); {13302#true} is VALID [2022-04-08 09:26:36,255 INFO L290 TraceCheckUtils]: 2: Hoare triple {13302#true} assume true; {13302#true} is VALID [2022-04-08 09:26:36,255 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {13302#true} {13302#true} #34#return; {13302#true} is VALID [2022-04-08 09:26:36,255 INFO L272 TraceCheckUtils]: 4: Hoare triple {13302#true} call #t~ret4 := main(); {13302#true} is VALID [2022-04-08 09:26:36,256 INFO L290 TraceCheckUtils]: 5: Hoare triple {13302#true} ~x~0 := 268435441; {13307#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:26:36,256 INFO L290 TraceCheckUtils]: 6: Hoare triple {13307#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13308#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:26:36,257 INFO L290 TraceCheckUtils]: 7: Hoare triple {13308#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13309#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:26:36,258 INFO L290 TraceCheckUtils]: 8: Hoare triple {13309#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13310#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:26:36,259 INFO L290 TraceCheckUtils]: 9: Hoare triple {13310#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13311#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:26:36,259 INFO L290 TraceCheckUtils]: 10: Hoare triple {13311#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13312#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:26:36,260 INFO L290 TraceCheckUtils]: 11: Hoare triple {13312#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13313#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:26:36,260 INFO L290 TraceCheckUtils]: 12: Hoare triple {13313#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13314#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:26:36,261 INFO L290 TraceCheckUtils]: 13: Hoare triple {13314#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13315#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:26:36,261 INFO L290 TraceCheckUtils]: 14: Hoare triple {13315#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13316#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:26:36,262 INFO L290 TraceCheckUtils]: 15: Hoare triple {13316#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13317#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:26:36,262 INFO L290 TraceCheckUtils]: 16: Hoare triple {13317#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13318#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:26:36,263 INFO L290 TraceCheckUtils]: 17: Hoare triple {13318#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13319#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:26:36,263 INFO L290 TraceCheckUtils]: 18: Hoare triple {13319#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13320#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:26:36,264 INFO L290 TraceCheckUtils]: 19: Hoare triple {13320#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13321#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} is VALID [2022-04-08 09:26:36,264 INFO L290 TraceCheckUtils]: 20: Hoare triple {13321#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13322#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} is VALID [2022-04-08 09:26:36,265 INFO L290 TraceCheckUtils]: 21: Hoare triple {13322#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13323#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} is VALID [2022-04-08 09:26:36,265 INFO L290 TraceCheckUtils]: 22: Hoare triple {13323#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13324#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} is VALID [2022-04-08 09:26:36,266 INFO L290 TraceCheckUtils]: 23: Hoare triple {13324#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13325#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} is VALID [2022-04-08 09:26:36,266 INFO L290 TraceCheckUtils]: 24: Hoare triple {13325#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13326#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} is VALID [2022-04-08 09:26:36,267 INFO L290 TraceCheckUtils]: 25: Hoare triple {13326#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13327#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} is VALID [2022-04-08 09:26:36,267 INFO L290 TraceCheckUtils]: 26: Hoare triple {13327#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13328#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} is VALID [2022-04-08 09:26:36,268 INFO L290 TraceCheckUtils]: 27: Hoare triple {13328#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13329#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} is VALID [2022-04-08 09:26:36,268 INFO L290 TraceCheckUtils]: 28: Hoare triple {13329#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13330#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} is VALID [2022-04-08 09:26:36,269 INFO L290 TraceCheckUtils]: 29: Hoare triple {13330#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13331#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} is VALID [2022-04-08 09:26:36,269 INFO L290 TraceCheckUtils]: 30: Hoare triple {13331#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13332#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} is VALID [2022-04-08 09:26:36,270 INFO L290 TraceCheckUtils]: 31: Hoare triple {13332#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13333#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} is VALID [2022-04-08 09:26:36,270 INFO L290 TraceCheckUtils]: 32: Hoare triple {13333#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13334#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} is VALID [2022-04-08 09:26:36,271 INFO L290 TraceCheckUtils]: 33: Hoare triple {13334#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13335#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} is VALID [2022-04-08 09:26:36,272 INFO L290 TraceCheckUtils]: 34: Hoare triple {13335#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13336#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} is VALID [2022-04-08 09:26:36,272 INFO L290 TraceCheckUtils]: 35: Hoare triple {13336#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13337#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} is VALID [2022-04-08 09:26:36,273 INFO L290 TraceCheckUtils]: 36: Hoare triple {13337#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13338#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} is VALID [2022-04-08 09:26:36,273 INFO L290 TraceCheckUtils]: 37: Hoare triple {13338#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13455#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} is VALID [2022-04-08 09:26:36,274 INFO L290 TraceCheckUtils]: 38: Hoare triple {13455#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} assume !(~x~0 % 4294967296 > 1); {13303#false} is VALID [2022-04-08 09:26:36,274 INFO L272 TraceCheckUtils]: 39: Hoare triple {13303#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)); {13303#false} is VALID [2022-04-08 09:26:36,274 INFO L290 TraceCheckUtils]: 40: Hoare triple {13303#false} ~cond := #in~cond; {13303#false} is VALID [2022-04-08 09:26:36,274 INFO L290 TraceCheckUtils]: 41: Hoare triple {13303#false} assume 0 == ~cond; {13303#false} is VALID [2022-04-08 09:26:36,274 INFO L290 TraceCheckUtils]: 42: Hoare triple {13303#false} assume !false; {13303#false} is VALID [2022-04-08 09:26:36,274 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:26:36,275 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 09:26:38,038 INFO L290 TraceCheckUtils]: 42: Hoare triple {13303#false} assume !false; {13303#false} is VALID [2022-04-08 09:26:38,039 INFO L290 TraceCheckUtils]: 41: Hoare triple {13303#false} assume 0 == ~cond; {13303#false} is VALID [2022-04-08 09:26:38,039 INFO L290 TraceCheckUtils]: 40: Hoare triple {13303#false} ~cond := #in~cond; {13303#false} is VALID [2022-04-08 09:26:38,039 INFO L272 TraceCheckUtils]: 39: Hoare triple {13303#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)); {13303#false} is VALID [2022-04-08 09:26:38,039 INFO L290 TraceCheckUtils]: 38: Hoare triple {13483#(< 1 (mod main_~x~0 4294967296))} assume !(~x~0 % 4294967296 > 1); {13303#false} is VALID [2022-04-08 09:26:38,041 INFO L290 TraceCheckUtils]: 37: Hoare triple {13487#(< 1 (mod (+ main_~x~0 4294967294) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13483#(< 1 (mod main_~x~0 4294967296))} is VALID [2022-04-08 09:26:38,042 INFO L290 TraceCheckUtils]: 36: Hoare triple {13491#(< 1 (mod (+ 4294967292 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13487#(< 1 (mod (+ main_~x~0 4294967294) 4294967296))} is VALID [2022-04-08 09:26:38,043 INFO L290 TraceCheckUtils]: 35: Hoare triple {13495#(< 1 (mod (+ 4294967290 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13491#(< 1 (mod (+ 4294967292 main_~x~0) 4294967296))} is VALID [2022-04-08 09:26:38,044 INFO L290 TraceCheckUtils]: 34: Hoare triple {13499#(< 1 (mod (+ 4294967288 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13495#(< 1 (mod (+ 4294967290 main_~x~0) 4294967296))} is VALID [2022-04-08 09:26:38,045 INFO L290 TraceCheckUtils]: 33: Hoare triple {13503#(< 1 (mod (+ main_~x~0 4294967286) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13499#(< 1 (mod (+ 4294967288 main_~x~0) 4294967296))} is VALID [2022-04-08 09:26:38,045 INFO L290 TraceCheckUtils]: 32: Hoare triple {13507#(< 1 (mod (+ main_~x~0 4294967284) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13503#(< 1 (mod (+ main_~x~0 4294967286) 4294967296))} is VALID [2022-04-08 09:26:38,046 INFO L290 TraceCheckUtils]: 31: Hoare triple {13511#(< 1 (mod (+ 4294967282 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13507#(< 1 (mod (+ main_~x~0 4294967284) 4294967296))} is VALID [2022-04-08 09:26:38,047 INFO L290 TraceCheckUtils]: 30: Hoare triple {13515#(< 1 (mod (+ main_~x~0 4294967280) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13511#(< 1 (mod (+ 4294967282 main_~x~0) 4294967296))} is VALID [2022-04-08 09:26:38,048 INFO L290 TraceCheckUtils]: 29: Hoare triple {13519#(< 1 (mod (+ main_~x~0 4294967278) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13515#(< 1 (mod (+ main_~x~0 4294967280) 4294967296))} is VALID [2022-04-08 09:26:38,048 INFO L290 TraceCheckUtils]: 28: Hoare triple {13523#(< 1 (mod (+ 4294967276 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13519#(< 1 (mod (+ main_~x~0 4294967278) 4294967296))} is VALID [2022-04-08 09:26:38,051 INFO L290 TraceCheckUtils]: 27: Hoare triple {13527#(< 1 (mod (+ 4294967274 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13523#(< 1 (mod (+ 4294967276 main_~x~0) 4294967296))} is VALID [2022-04-08 09:26:38,052 INFO L290 TraceCheckUtils]: 26: Hoare triple {13531#(< 1 (mod (+ 4294967272 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13527#(< 1 (mod (+ 4294967274 main_~x~0) 4294967296))} is VALID [2022-04-08 09:26:38,053 INFO L290 TraceCheckUtils]: 25: Hoare triple {13535#(< 1 (mod (+ main_~x~0 4294967270) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13531#(< 1 (mod (+ 4294967272 main_~x~0) 4294967296))} is VALID [2022-04-08 09:26:38,054 INFO L290 TraceCheckUtils]: 24: Hoare triple {13539#(< 1 (mod (+ main_~x~0 4294967268) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13535#(< 1 (mod (+ main_~x~0 4294967270) 4294967296))} is VALID [2022-04-08 09:26:38,054 INFO L290 TraceCheckUtils]: 23: Hoare triple {13543#(< 1 (mod (+ main_~x~0 4294967266) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13539#(< 1 (mod (+ main_~x~0 4294967268) 4294967296))} is VALID [2022-04-08 09:26:38,055 INFO L290 TraceCheckUtils]: 22: Hoare triple {13547#(< 1 (mod (+ main_~x~0 4294967264) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13543#(< 1 (mod (+ main_~x~0 4294967266) 4294967296))} is VALID [2022-04-08 09:26:38,056 INFO L290 TraceCheckUtils]: 21: Hoare triple {13551#(< 1 (mod (+ main_~x~0 4294967262) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13547#(< 1 (mod (+ main_~x~0 4294967264) 4294967296))} is VALID [2022-04-08 09:26:38,056 INFO L290 TraceCheckUtils]: 20: Hoare triple {13555#(< 1 (mod (+ 4294967260 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13551#(< 1 (mod (+ main_~x~0 4294967262) 4294967296))} is VALID [2022-04-08 09:26:38,057 INFO L290 TraceCheckUtils]: 19: Hoare triple {13559#(< 1 (mod (+ main_~x~0 4294967258) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13555#(< 1 (mod (+ 4294967260 main_~x~0) 4294967296))} is VALID [2022-04-08 09:26:38,059 INFO L290 TraceCheckUtils]: 18: Hoare triple {13563#(< 1 (mod (+ main_~x~0 4294967256) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13559#(< 1 (mod (+ main_~x~0 4294967258) 4294967296))} is VALID [2022-04-08 09:26:38,061 INFO L290 TraceCheckUtils]: 17: Hoare triple {13567#(< 1 (mod (+ 4294967254 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13563#(< 1 (mod (+ main_~x~0 4294967256) 4294967296))} is VALID [2022-04-08 09:26:38,061 INFO L290 TraceCheckUtils]: 16: Hoare triple {13571#(< 1 (mod (+ main_~x~0 4294967252) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13567#(< 1 (mod (+ 4294967254 main_~x~0) 4294967296))} is VALID [2022-04-08 09:26:38,062 INFO L290 TraceCheckUtils]: 15: Hoare triple {13575#(< 1 (mod (+ 4294967250 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13571#(< 1 (mod (+ main_~x~0 4294967252) 4294967296))} is VALID [2022-04-08 09:26:38,063 INFO L290 TraceCheckUtils]: 14: Hoare triple {13579#(< 1 (mod (+ main_~x~0 4294967248) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13575#(< 1 (mod (+ 4294967250 main_~x~0) 4294967296))} is VALID [2022-04-08 09:26:38,063 INFO L290 TraceCheckUtils]: 13: Hoare triple {13583#(< 1 (mod (+ 4294967246 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13579#(< 1 (mod (+ main_~x~0 4294967248) 4294967296))} is VALID [2022-04-08 09:26:38,064 INFO L290 TraceCheckUtils]: 12: Hoare triple {13587#(< 1 (mod (+ main_~x~0 4294967244) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13583#(< 1 (mod (+ 4294967246 main_~x~0) 4294967296))} is VALID [2022-04-08 09:26:38,065 INFO L290 TraceCheckUtils]: 11: Hoare triple {13591#(< 1 (mod (+ main_~x~0 4294967242) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13587#(< 1 (mod (+ main_~x~0 4294967244) 4294967296))} is VALID [2022-04-08 09:26:38,068 INFO L290 TraceCheckUtils]: 10: Hoare triple {13595#(< 1 (mod (+ 4294967240 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13591#(< 1 (mod (+ main_~x~0 4294967242) 4294967296))} is VALID [2022-04-08 09:26:38,069 INFO L290 TraceCheckUtils]: 9: Hoare triple {13599#(< 1 (mod (+ 4294967238 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13595#(< 1 (mod (+ 4294967240 main_~x~0) 4294967296))} is VALID [2022-04-08 09:26:38,069 INFO L290 TraceCheckUtils]: 8: Hoare triple {13603#(< 1 (mod (+ main_~x~0 4294967236) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13599#(< 1 (mod (+ 4294967238 main_~x~0) 4294967296))} is VALID [2022-04-08 09:26:38,070 INFO L290 TraceCheckUtils]: 7: Hoare triple {13607#(< 1 (mod (+ main_~x~0 4294967234) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13603#(< 1 (mod (+ main_~x~0 4294967236) 4294967296))} is VALID [2022-04-08 09:26:38,071 INFO L290 TraceCheckUtils]: 6: Hoare triple {13611#(< 1 (mod (+ main_~x~0 4294967232) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13607#(< 1 (mod (+ main_~x~0 4294967234) 4294967296))} is VALID [2022-04-08 09:26:38,071 INFO L290 TraceCheckUtils]: 5: Hoare triple {13302#true} ~x~0 := 268435441; {13611#(< 1 (mod (+ main_~x~0 4294967232) 4294967296))} is VALID [2022-04-08 09:26:38,072 INFO L272 TraceCheckUtils]: 4: Hoare triple {13302#true} call #t~ret4 := main(); {13302#true} is VALID [2022-04-08 09:26:38,072 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {13302#true} {13302#true} #34#return; {13302#true} is VALID [2022-04-08 09:26:38,072 INFO L290 TraceCheckUtils]: 2: Hoare triple {13302#true} assume true; {13302#true} is VALID [2022-04-08 09:26:38,072 INFO L290 TraceCheckUtils]: 1: Hoare triple {13302#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(13, 2);call #Ultimate.allocInit(12, 3); {13302#true} is VALID [2022-04-08 09:26:38,072 INFO L272 TraceCheckUtils]: 0: Hoare triple {13302#true} call ULTIMATE.init(); {13302#true} is VALID [2022-04-08 09:26:38,073 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:26:38,073 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [354125232] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-08 09:26:38,073 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-08 09:26:38,073 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 35, 35] total 70 [2022-04-08 09:26:38,073 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 09:26:38,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [321158902] [2022-04-08 09:26:38,074 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [321158902] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 09:26:38,074 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 09:26:38,074 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [36] imperfect sequences [] total 36 [2022-04-08 09:26:38,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646114319] [2022-04-08 09:26:38,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 09:26:38,074 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 1.0833333333333333) internal successors, (39), 35 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 [2022-04-08 09:26:38,075 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 09:26:38,075 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 36 states, 36 states have (on average 1.0833333333333333) internal successors, (39), 35 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) [2022-04-08 09:26:38,105 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 43 edges. 43 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:26:38,106 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2022-04-08 09:26:38,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 09:26:38,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2022-04-08 09:26:38,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1292, Invalid=3538, Unknown=0, NotChecked=0, Total=4830 [2022-04-08 09:26:38,107 INFO L87 Difference]: Start difference. First operand 44 states and 44 transitions. Second operand has 36 states, 36 states have (on average 1.0833333333333333) internal successors, (39), 35 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) [2022-04-08 09:26:40,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:26:40,318 INFO L93 Difference]: Finished difference Result 50 states and 50 transitions. [2022-04-08 09:26:40,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-04-08 09:26:40,318 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 1.0833333333333333) internal successors, (39), 35 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 [2022-04-08 09:26:40,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 09:26:40,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 36 states have (on average 1.0833333333333333) internal successors, (39), 35 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) [2022-04-08 09:26:40,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 50 transitions. [2022-04-08 09:26:40,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 36 states have (on average 1.0833333333333333) internal successors, (39), 35 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) [2022-04-08 09:26:40,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 50 transitions. [2022-04-08 09:26:40,320 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 36 states and 50 transitions. [2022-04-08 09:26:40,364 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 50 edges. 50 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:26:40,365 INFO L225 Difference]: With dead ends: 50 [2022-04-08 09:26:40,365 INFO L226 Difference]: Without dead ends: 45 [2022-04-08 09:26:40,366 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 54 SyntacticMatches, 1 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 597 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=2577, Invalid=7929, Unknown=0, NotChecked=0, Total=10506 [2022-04-08 09:26:40,367 INFO L913 BasicCegarLoop]: 11 mSDtfsCounter, 6 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 1093 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 1160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 1093 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-04-08 09:26:40,367 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 48 Invalid, 1160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 1093 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-04-08 09:26:40,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2022-04-08 09:26:40,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2022-04-08 09:26:40,421 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 09:26:40,421 INFO L82 GeneralOperation]: Start isEquivalent. First operand 45 states. Second operand has 45 states, 40 states have (on average 1.025) internal successors, (41), 40 states have internal predecessors, (41), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:26:40,421 INFO L74 IsIncluded]: Start isIncluded. First operand 45 states. Second operand has 45 states, 40 states have (on average 1.025) internal successors, (41), 40 states have internal predecessors, (41), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:26:40,422 INFO L87 Difference]: Start difference. First operand 45 states. Second operand has 45 states, 40 states have (on average 1.025) internal successors, (41), 40 states have internal predecessors, (41), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:26:40,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:26:40,422 INFO L93 Difference]: Finished difference Result 45 states and 45 transitions. [2022-04-08 09:26:40,423 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 45 transitions. [2022-04-08 09:26:40,423 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:26:40,423 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:26:40,423 INFO L74 IsIncluded]: Start isIncluded. First operand has 45 states, 40 states have (on average 1.025) internal successors, (41), 40 states have internal predecessors, (41), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 45 states. [2022-04-08 09:26:40,423 INFO L87 Difference]: Start difference. First operand has 45 states, 40 states have (on average 1.025) internal successors, (41), 40 states have internal predecessors, (41), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 45 states. [2022-04-08 09:26:40,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:26:40,424 INFO L93 Difference]: Finished difference Result 45 states and 45 transitions. [2022-04-08 09:26:40,424 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 45 transitions. [2022-04-08 09:26:40,424 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:26:40,424 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:26:40,424 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 09:26:40,424 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 09:26:40,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 40 states have (on average 1.025) internal successors, (41), 40 states have internal predecessors, (41), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:26:40,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 45 transitions. [2022-04-08 09:26:40,425 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 45 transitions. Word has length 43 [2022-04-08 09:26:40,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 09:26:40,426 INFO L478 AbstractCegarLoop]: Abstraction has 45 states and 45 transitions. [2022-04-08 09:26:40,426 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 1.0833333333333333) internal successors, (39), 35 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) [2022-04-08 09:26:40,426 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 45 states and 45 transitions. [2022-04-08 09:26:40,469 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 45 edges. 45 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:26:40,469 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 45 transitions. [2022-04-08 09:26:40,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-04-08 09:26:40,469 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 09:26:40,469 INFO L499 BasicCegarLoop]: trace histogram [33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 09:26:40,496 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2022-04-08 09:26:40,675 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 09:26:40,675 INFO L403 AbstractCegarLoop]: === Iteration 35 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 09:26:40,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 09:26:40,676 INFO L85 PathProgramCache]: Analyzing trace with hash 188831350, now seen corresponding path program 65 times [2022-04-08 09:26:40,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 09:26:40,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1562548409] [2022-04-08 09:26:40,679 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-08 09:26:40,679 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-08 09:26:40,679 INFO L85 PathProgramCache]: Analyzing trace with hash 188831350, now seen corresponding path program 66 times [2022-04-08 09:26:40,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 09:26:40,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252010505] [2022-04-08 09:26:40,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 09:26:40,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 09:26:40,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:26:41,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-08 09:26:41,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:26:41,411 INFO L290 TraceCheckUtils]: 0: Hoare triple {14017#(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(13, 2);call #Ultimate.allocInit(12, 3); {13978#true} is VALID [2022-04-08 09:26:41,411 INFO L290 TraceCheckUtils]: 1: Hoare triple {13978#true} assume true; {13978#true} is VALID [2022-04-08 09:26:41,411 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {13978#true} {13978#true} #34#return; {13978#true} is VALID [2022-04-08 09:26:41,412 INFO L272 TraceCheckUtils]: 0: Hoare triple {13978#true} call ULTIMATE.init(); {14017#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-08 09:26:41,412 INFO L290 TraceCheckUtils]: 1: Hoare triple {14017#(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(13, 2);call #Ultimate.allocInit(12, 3); {13978#true} is VALID [2022-04-08 09:26:41,412 INFO L290 TraceCheckUtils]: 2: Hoare triple {13978#true} assume true; {13978#true} is VALID [2022-04-08 09:26:41,412 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {13978#true} {13978#true} #34#return; {13978#true} is VALID [2022-04-08 09:26:41,412 INFO L272 TraceCheckUtils]: 4: Hoare triple {13978#true} call #t~ret4 := main(); {13978#true} is VALID [2022-04-08 09:26:41,412 INFO L290 TraceCheckUtils]: 5: Hoare triple {13978#true} ~x~0 := 268435441; {13983#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:26:41,413 INFO L290 TraceCheckUtils]: 6: Hoare triple {13983#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13984#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:26:41,413 INFO L290 TraceCheckUtils]: 7: Hoare triple {13984#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13985#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:26:41,414 INFO L290 TraceCheckUtils]: 8: Hoare triple {13985#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13986#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:26:41,414 INFO L290 TraceCheckUtils]: 9: Hoare triple {13986#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13987#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:26:41,415 INFO L290 TraceCheckUtils]: 10: Hoare triple {13987#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13988#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:26:41,415 INFO L290 TraceCheckUtils]: 11: Hoare triple {13988#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13989#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:26:41,416 INFO L290 TraceCheckUtils]: 12: Hoare triple {13989#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13990#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:26:41,417 INFO L290 TraceCheckUtils]: 13: Hoare triple {13990#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13991#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:26:41,417 INFO L290 TraceCheckUtils]: 14: Hoare triple {13991#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13992#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:26:41,418 INFO L290 TraceCheckUtils]: 15: Hoare triple {13992#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13993#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:26:41,418 INFO L290 TraceCheckUtils]: 16: Hoare triple {13993#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13994#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:26:41,419 INFO L290 TraceCheckUtils]: 17: Hoare triple {13994#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13995#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:26:41,419 INFO L290 TraceCheckUtils]: 18: Hoare triple {13995#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13996#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:26:41,420 INFO L290 TraceCheckUtils]: 19: Hoare triple {13996#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13997#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} is VALID [2022-04-08 09:26:41,420 INFO L290 TraceCheckUtils]: 20: Hoare triple {13997#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13998#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} is VALID [2022-04-08 09:26:41,421 INFO L290 TraceCheckUtils]: 21: Hoare triple {13998#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13999#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} is VALID [2022-04-08 09:26:41,421 INFO L290 TraceCheckUtils]: 22: Hoare triple {13999#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14000#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} is VALID [2022-04-08 09:26:41,422 INFO L290 TraceCheckUtils]: 23: Hoare triple {14000#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14001#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} is VALID [2022-04-08 09:26:41,422 INFO L290 TraceCheckUtils]: 24: Hoare triple {14001#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14002#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} is VALID [2022-04-08 09:26:41,423 INFO L290 TraceCheckUtils]: 25: Hoare triple {14002#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14003#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} is VALID [2022-04-08 09:26:41,423 INFO L290 TraceCheckUtils]: 26: Hoare triple {14003#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14004#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} is VALID [2022-04-08 09:26:41,424 INFO L290 TraceCheckUtils]: 27: Hoare triple {14004#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14005#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} is VALID [2022-04-08 09:26:41,424 INFO L290 TraceCheckUtils]: 28: Hoare triple {14005#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14006#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} is VALID [2022-04-08 09:26:41,425 INFO L290 TraceCheckUtils]: 29: Hoare triple {14006#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14007#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} is VALID [2022-04-08 09:26:41,425 INFO L290 TraceCheckUtils]: 30: Hoare triple {14007#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14008#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} is VALID [2022-04-08 09:26:41,426 INFO L290 TraceCheckUtils]: 31: Hoare triple {14008#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14009#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} is VALID [2022-04-08 09:26:41,426 INFO L290 TraceCheckUtils]: 32: Hoare triple {14009#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14010#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} is VALID [2022-04-08 09:26:41,427 INFO L290 TraceCheckUtils]: 33: Hoare triple {14010#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14011#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} is VALID [2022-04-08 09:26:41,427 INFO L290 TraceCheckUtils]: 34: Hoare triple {14011#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14012#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} is VALID [2022-04-08 09:26:41,428 INFO L290 TraceCheckUtils]: 35: Hoare triple {14012#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14013#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} is VALID [2022-04-08 09:26:41,428 INFO L290 TraceCheckUtils]: 36: Hoare triple {14013#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14014#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} is VALID [2022-04-08 09:26:41,429 INFO L290 TraceCheckUtils]: 37: Hoare triple {14014#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14015#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} is VALID [2022-04-08 09:26:41,429 INFO L290 TraceCheckUtils]: 38: Hoare triple {14015#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14016#(and (<= (div main_~x~0 4294967296) 0) (<= 268435375 main_~x~0))} is VALID [2022-04-08 09:26:41,430 INFO L290 TraceCheckUtils]: 39: Hoare triple {14016#(and (<= (div main_~x~0 4294967296) 0) (<= 268435375 main_~x~0))} assume !(~x~0 % 4294967296 > 1); {13979#false} is VALID [2022-04-08 09:26:41,430 INFO L272 TraceCheckUtils]: 40: Hoare triple {13979#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)); {13979#false} is VALID [2022-04-08 09:26:41,430 INFO L290 TraceCheckUtils]: 41: Hoare triple {13979#false} ~cond := #in~cond; {13979#false} is VALID [2022-04-08 09:26:41,430 INFO L290 TraceCheckUtils]: 42: Hoare triple {13979#false} assume 0 == ~cond; {13979#false} is VALID [2022-04-08 09:26:41,430 INFO L290 TraceCheckUtils]: 43: Hoare triple {13979#false} assume !false; {13979#false} is VALID [2022-04-08 09:26:41,431 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:26:41,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 09:26:41,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252010505] [2022-04-08 09:26:41,431 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252010505] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-08 09:26:41,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1577912344] [2022-04-08 09:26:41,431 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-04-08 09:26:41,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 09:26:41,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 09:26:41,432 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) [2022-04-08 09:26:41,433 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2022-04-08 09:26:42,442 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 18 check-sat command(s) [2022-04-08 09:26:42,443 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 09:26:42,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 72 conjunts are in the unsatisfiable core [2022-04-08 09:26:42,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:26:42,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 09:26:42,814 INFO L272 TraceCheckUtils]: 0: Hoare triple {13978#true} call ULTIMATE.init(); {13978#true} is VALID [2022-04-08 09:26:42,815 INFO L290 TraceCheckUtils]: 1: Hoare triple {13978#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(13, 2);call #Ultimate.allocInit(12, 3); {13978#true} is VALID [2022-04-08 09:26:42,815 INFO L290 TraceCheckUtils]: 2: Hoare triple {13978#true} assume true; {13978#true} is VALID [2022-04-08 09:26:42,815 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {13978#true} {13978#true} #34#return; {13978#true} is VALID [2022-04-08 09:26:42,815 INFO L272 TraceCheckUtils]: 4: Hoare triple {13978#true} call #t~ret4 := main(); {13978#true} is VALID [2022-04-08 09:26:42,815 INFO L290 TraceCheckUtils]: 5: Hoare triple {13978#true} ~x~0 := 268435441; {13983#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:26:42,816 INFO L290 TraceCheckUtils]: 6: Hoare triple {13983#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13984#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:26:42,816 INFO L290 TraceCheckUtils]: 7: Hoare triple {13984#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13985#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:26:42,817 INFO L290 TraceCheckUtils]: 8: Hoare triple {13985#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13986#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:26:42,817 INFO L290 TraceCheckUtils]: 9: Hoare triple {13986#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13987#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:26:42,818 INFO L290 TraceCheckUtils]: 10: Hoare triple {13987#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13988#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:26:42,818 INFO L290 TraceCheckUtils]: 11: Hoare triple {13988#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13989#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:26:42,819 INFO L290 TraceCheckUtils]: 12: Hoare triple {13989#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13990#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:26:42,819 INFO L290 TraceCheckUtils]: 13: Hoare triple {13990#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13991#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:26:42,820 INFO L290 TraceCheckUtils]: 14: Hoare triple {13991#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13992#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:26:42,820 INFO L290 TraceCheckUtils]: 15: Hoare triple {13992#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13993#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:26:42,821 INFO L290 TraceCheckUtils]: 16: Hoare triple {13993#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13994#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:26:42,821 INFO L290 TraceCheckUtils]: 17: Hoare triple {13994#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13995#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:26:42,822 INFO L290 TraceCheckUtils]: 18: Hoare triple {13995#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13996#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:26:42,822 INFO L290 TraceCheckUtils]: 19: Hoare triple {13996#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13997#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} is VALID [2022-04-08 09:26:42,823 INFO L290 TraceCheckUtils]: 20: Hoare triple {13997#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13998#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} is VALID [2022-04-08 09:26:42,823 INFO L290 TraceCheckUtils]: 21: Hoare triple {13998#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {13999#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} is VALID [2022-04-08 09:26:42,824 INFO L290 TraceCheckUtils]: 22: Hoare triple {13999#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14000#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} is VALID [2022-04-08 09:26:42,825 INFO L290 TraceCheckUtils]: 23: Hoare triple {14000#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14001#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} is VALID [2022-04-08 09:26:42,825 INFO L290 TraceCheckUtils]: 24: Hoare triple {14001#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14002#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} is VALID [2022-04-08 09:26:42,826 INFO L290 TraceCheckUtils]: 25: Hoare triple {14002#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14003#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} is VALID [2022-04-08 09:26:42,826 INFO L290 TraceCheckUtils]: 26: Hoare triple {14003#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14004#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} is VALID [2022-04-08 09:26:42,827 INFO L290 TraceCheckUtils]: 27: Hoare triple {14004#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14005#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} is VALID [2022-04-08 09:26:42,827 INFO L290 TraceCheckUtils]: 28: Hoare triple {14005#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14006#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} is VALID [2022-04-08 09:26:42,828 INFO L290 TraceCheckUtils]: 29: Hoare triple {14006#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14007#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} is VALID [2022-04-08 09:26:42,828 INFO L290 TraceCheckUtils]: 30: Hoare triple {14007#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14008#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} is VALID [2022-04-08 09:26:42,829 INFO L290 TraceCheckUtils]: 31: Hoare triple {14008#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14009#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} is VALID [2022-04-08 09:26:42,829 INFO L290 TraceCheckUtils]: 32: Hoare triple {14009#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14010#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} is VALID [2022-04-08 09:26:42,830 INFO L290 TraceCheckUtils]: 33: Hoare triple {14010#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14011#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} is VALID [2022-04-08 09:26:42,830 INFO L290 TraceCheckUtils]: 34: Hoare triple {14011#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14012#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} is VALID [2022-04-08 09:26:42,831 INFO L290 TraceCheckUtils]: 35: Hoare triple {14012#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14013#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} is VALID [2022-04-08 09:26:42,831 INFO L290 TraceCheckUtils]: 36: Hoare triple {14013#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14014#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} is VALID [2022-04-08 09:26:42,832 INFO L290 TraceCheckUtils]: 37: Hoare triple {14014#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14015#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} is VALID [2022-04-08 09:26:42,832 INFO L290 TraceCheckUtils]: 38: Hoare triple {14015#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14135#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} is VALID [2022-04-08 09:26:42,833 INFO L290 TraceCheckUtils]: 39: Hoare triple {14135#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} assume !(~x~0 % 4294967296 > 1); {13979#false} is VALID [2022-04-08 09:26:42,833 INFO L272 TraceCheckUtils]: 40: Hoare triple {13979#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)); {13979#false} is VALID [2022-04-08 09:26:42,833 INFO L290 TraceCheckUtils]: 41: Hoare triple {13979#false} ~cond := #in~cond; {13979#false} is VALID [2022-04-08 09:26:42,833 INFO L290 TraceCheckUtils]: 42: Hoare triple {13979#false} assume 0 == ~cond; {13979#false} is VALID [2022-04-08 09:26:42,833 INFO L290 TraceCheckUtils]: 43: Hoare triple {13979#false} assume !false; {13979#false} is VALID [2022-04-08 09:26:42,834 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:26:42,834 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 09:26:45,349 INFO L290 TraceCheckUtils]: 43: Hoare triple {13979#false} assume !false; {13979#false} is VALID [2022-04-08 09:26:45,350 INFO L290 TraceCheckUtils]: 42: Hoare triple {14154#(not (<= __VERIFIER_assert_~cond 0))} assume 0 == ~cond; {13979#false} is VALID [2022-04-08 09:26:45,350 INFO L290 TraceCheckUtils]: 41: Hoare triple {14158#(< 0 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {14154#(not (<= __VERIFIER_assert_~cond 0))} is VALID [2022-04-08 09:26:45,351 INFO L272 TraceCheckUtils]: 40: Hoare triple {14162#(= (mod main_~x~0 2) 0)} 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)); {14158#(< 0 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-08 09:26:45,351 INFO L290 TraceCheckUtils]: 39: Hoare triple {14166#(or (< 1 (mod main_~x~0 4294967296)) (= (mod main_~x~0 2) 0))} assume !(~x~0 % 4294967296 > 1); {14162#(= (mod main_~x~0 2) 0)} is VALID [2022-04-08 09:26:45,353 INFO L290 TraceCheckUtils]: 38: Hoare triple {14170#(or (< 1 (mod (+ main_~x~0 4294967294) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14166#(or (< 1 (mod main_~x~0 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:45,354 INFO L290 TraceCheckUtils]: 37: Hoare triple {14174#(or (< 1 (mod (+ 4294967292 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14170#(or (< 1 (mod (+ main_~x~0 4294967294) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:45,354 INFO L290 TraceCheckUtils]: 36: Hoare triple {14178#(or (< 1 (mod (+ 4294967290 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14174#(or (< 1 (mod (+ 4294967292 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:45,355 INFO L290 TraceCheckUtils]: 35: Hoare triple {14182#(or (< 1 (mod (+ 4294967288 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14178#(or (< 1 (mod (+ 4294967290 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:45,356 INFO L290 TraceCheckUtils]: 34: Hoare triple {14186#(or (< 1 (mod (+ main_~x~0 4294967286) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14182#(or (< 1 (mod (+ 4294967288 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:45,357 INFO L290 TraceCheckUtils]: 33: Hoare triple {14190#(or (< 1 (mod (+ main_~x~0 4294967284) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14186#(or (< 1 (mod (+ main_~x~0 4294967286) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:45,357 INFO L290 TraceCheckUtils]: 32: Hoare triple {14194#(or (< 1 (mod (+ 4294967282 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14190#(or (< 1 (mod (+ main_~x~0 4294967284) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:45,358 INFO L290 TraceCheckUtils]: 31: Hoare triple {14198#(or (< 1 (mod (+ main_~x~0 4294967280) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14194#(or (< 1 (mod (+ 4294967282 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:45,359 INFO L290 TraceCheckUtils]: 30: Hoare triple {14202#(or (< 1 (mod (+ main_~x~0 4294967278) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14198#(or (< 1 (mod (+ main_~x~0 4294967280) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:45,361 INFO L290 TraceCheckUtils]: 29: Hoare triple {14206#(or (< 1 (mod (+ 4294967276 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14202#(or (< 1 (mod (+ main_~x~0 4294967278) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:45,361 INFO L290 TraceCheckUtils]: 28: Hoare triple {14210#(or (< 1 (mod (+ 4294967274 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14206#(or (< 1 (mod (+ 4294967276 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:45,362 INFO L290 TraceCheckUtils]: 27: Hoare triple {14214#(or (< 1 (mod (+ 4294967272 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14210#(or (< 1 (mod (+ 4294967274 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:45,363 INFO L290 TraceCheckUtils]: 26: Hoare triple {14218#(or (< 1 (mod (+ main_~x~0 4294967270) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14214#(or (< 1 (mod (+ 4294967272 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:45,364 INFO L290 TraceCheckUtils]: 25: Hoare triple {14222#(or (< 1 (mod (+ main_~x~0 4294967268) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14218#(or (< 1 (mod (+ main_~x~0 4294967270) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:45,365 INFO L290 TraceCheckUtils]: 24: Hoare triple {14226#(or (< 1 (mod (+ main_~x~0 4294967266) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14222#(or (< 1 (mod (+ main_~x~0 4294967268) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:45,366 INFO L290 TraceCheckUtils]: 23: Hoare triple {14230#(or (< 1 (mod (+ main_~x~0 4294967264) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14226#(or (< 1 (mod (+ main_~x~0 4294967266) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:45,367 INFO L290 TraceCheckUtils]: 22: Hoare triple {14234#(or (< 1 (mod (+ main_~x~0 4294967262) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14230#(or (< 1 (mod (+ main_~x~0 4294967264) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:45,368 INFO L290 TraceCheckUtils]: 21: Hoare triple {14238#(or (< 1 (mod (+ 4294967260 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14234#(or (< 1 (mod (+ main_~x~0 4294967262) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:45,369 INFO L290 TraceCheckUtils]: 20: Hoare triple {14242#(or (< 1 (mod (+ main_~x~0 4294967258) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14238#(or (< 1 (mod (+ 4294967260 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:45,370 INFO L290 TraceCheckUtils]: 19: Hoare triple {14246#(or (< 1 (mod (+ main_~x~0 4294967256) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14242#(or (< 1 (mod (+ main_~x~0 4294967258) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:45,371 INFO L290 TraceCheckUtils]: 18: Hoare triple {14250#(or (< 1 (mod (+ 4294967254 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14246#(or (< 1 (mod (+ main_~x~0 4294967256) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:45,372 INFO L290 TraceCheckUtils]: 17: Hoare triple {14254#(or (< 1 (mod (+ main_~x~0 4294967252) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14250#(or (< 1 (mod (+ 4294967254 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:45,373 INFO L290 TraceCheckUtils]: 16: Hoare triple {14258#(or (< 1 (mod (+ 4294967250 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14254#(or (< 1 (mod (+ main_~x~0 4294967252) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:45,373 INFO L290 TraceCheckUtils]: 15: Hoare triple {14262#(or (< 1 (mod (+ main_~x~0 4294967248) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14258#(or (< 1 (mod (+ 4294967250 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:45,374 INFO L290 TraceCheckUtils]: 14: Hoare triple {14266#(or (< 1 (mod (+ 4294967246 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14262#(or (< 1 (mod (+ main_~x~0 4294967248) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:45,375 INFO L290 TraceCheckUtils]: 13: Hoare triple {14270#(or (< 1 (mod (+ main_~x~0 4294967244) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14266#(or (< 1 (mod (+ 4294967246 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:45,376 INFO L290 TraceCheckUtils]: 12: Hoare triple {14274#(or (< 1 (mod (+ main_~x~0 4294967242) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14270#(or (< 1 (mod (+ main_~x~0 4294967244) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:45,376 INFO L290 TraceCheckUtils]: 11: Hoare triple {14278#(or (< 1 (mod (+ 4294967240 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14274#(or (< 1 (mod (+ main_~x~0 4294967242) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:45,379 INFO L290 TraceCheckUtils]: 10: Hoare triple {14282#(or (< 1 (mod (+ 4294967238 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14278#(or (< 1 (mod (+ 4294967240 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:45,380 INFO L290 TraceCheckUtils]: 9: Hoare triple {14286#(or (< 1 (mod (+ main_~x~0 4294967236) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14282#(or (< 1 (mod (+ 4294967238 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:45,381 INFO L290 TraceCheckUtils]: 8: Hoare triple {14290#(or (< 1 (mod (+ main_~x~0 4294967234) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14286#(or (< 1 (mod (+ main_~x~0 4294967236) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:45,382 INFO L290 TraceCheckUtils]: 7: Hoare triple {14294#(or (< 1 (mod (+ main_~x~0 4294967232) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14290#(or (< 1 (mod (+ main_~x~0 4294967234) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:45,383 INFO L290 TraceCheckUtils]: 6: Hoare triple {14298#(or (< 1 (mod (+ 4294967230 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14294#(or (< 1 (mod (+ main_~x~0 4294967232) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:45,383 INFO L290 TraceCheckUtils]: 5: Hoare triple {13978#true} ~x~0 := 268435441; {14298#(or (< 1 (mod (+ 4294967230 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:45,383 INFO L272 TraceCheckUtils]: 4: Hoare triple {13978#true} call #t~ret4 := main(); {13978#true} is VALID [2022-04-08 09:26:45,384 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {13978#true} {13978#true} #34#return; {13978#true} is VALID [2022-04-08 09:26:45,384 INFO L290 TraceCheckUtils]: 2: Hoare triple {13978#true} assume true; {13978#true} is VALID [2022-04-08 09:26:45,384 INFO L290 TraceCheckUtils]: 1: Hoare triple {13978#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(13, 2);call #Ultimate.allocInit(12, 3); {13978#true} is VALID [2022-04-08 09:26:45,384 INFO L272 TraceCheckUtils]: 0: Hoare triple {13978#true} call ULTIMATE.init(); {13978#true} is VALID [2022-04-08 09:26:45,384 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:26:45,385 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1577912344] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-08 09:26:45,385 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-08 09:26:45,385 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 36, 39] total 75 [2022-04-08 09:26:45,385 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 09:26:45,385 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1562548409] [2022-04-08 09:26:45,385 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1562548409] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 09:26:45,385 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 09:26:45,385 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [37] imperfect sequences [] total 37 [2022-04-08 09:26:45,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478580190] [2022-04-08 09:26:45,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 09:26:45,386 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 1.0810810810810811) internal successors, (40), 36 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 [2022-04-08 09:26:45,386 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 09:26:45,386 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 37 states, 37 states have (on average 1.0810810810810811) internal successors, (40), 36 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) [2022-04-08 09:26:45,411 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 44 edges. 44 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:26:45,411 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2022-04-08 09:26:45,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 09:26:45,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2022-04-08 09:26:45,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1405, Invalid=4145, Unknown=0, NotChecked=0, Total=5550 [2022-04-08 09:26:45,412 INFO L87 Difference]: Start difference. First operand 45 states and 45 transitions. Second operand has 37 states, 37 states have (on average 1.0810810810810811) internal successors, (40), 36 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) [2022-04-08 09:26:48,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:26:48,042 INFO L93 Difference]: Finished difference Result 51 states and 51 transitions. [2022-04-08 09:26:48,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-04-08 09:26:48,042 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 1.0810810810810811) internal successors, (40), 36 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 [2022-04-08 09:26:48,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 09:26:48,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 37 states have (on average 1.0810810810810811) internal successors, (40), 36 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) [2022-04-08 09:26:48,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 51 transitions. [2022-04-08 09:26:48,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 37 states have (on average 1.0810810810810811) internal successors, (40), 36 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) [2022-04-08 09:26:48,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 51 transitions. [2022-04-08 09:26:48,044 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 37 states and 51 transitions. [2022-04-08 09:26:48,094 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 51 edges. 51 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:26:48,095 INFO L225 Difference]: With dead ends: 51 [2022-04-08 09:26:48,095 INFO L226 Difference]: Without dead ends: 46 [2022-04-08 09:26:48,096 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 52 SyntacticMatches, 1 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 638 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=2763, Invalid=9009, Unknown=0, NotChecked=0, Total=11772 [2022-04-08 09:26:48,096 INFO L913 BasicCegarLoop]: 11 mSDtfsCounter, 6 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 1279 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 1348 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 1279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-04-08 09:26:48,096 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 168 Invalid, 1348 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 1279 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-04-08 09:26:48,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2022-04-08 09:26:48,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2022-04-08 09:26:48,152 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 09:26:48,152 INFO L82 GeneralOperation]: Start isEquivalent. First operand 46 states. Second operand has 46 states, 41 states have (on average 1.024390243902439) internal successors, (42), 41 states have internal predecessors, (42), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:26:48,153 INFO L74 IsIncluded]: Start isIncluded. First operand 46 states. Second operand has 46 states, 41 states have (on average 1.024390243902439) internal successors, (42), 41 states have internal predecessors, (42), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:26:48,153 INFO L87 Difference]: Start difference. First operand 46 states. Second operand has 46 states, 41 states have (on average 1.024390243902439) internal successors, (42), 41 states have internal predecessors, (42), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:26:48,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:26:48,154 INFO L93 Difference]: Finished difference Result 46 states and 46 transitions. [2022-04-08 09:26:48,154 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 46 transitions. [2022-04-08 09:26:48,154 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:26:48,154 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:26:48,154 INFO L74 IsIncluded]: Start isIncluded. First operand has 46 states, 41 states have (on average 1.024390243902439) internal successors, (42), 41 states have internal predecessors, (42), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 46 states. [2022-04-08 09:26:48,154 INFO L87 Difference]: Start difference. First operand has 46 states, 41 states have (on average 1.024390243902439) internal successors, (42), 41 states have internal predecessors, (42), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 46 states. [2022-04-08 09:26:48,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:26:48,155 INFO L93 Difference]: Finished difference Result 46 states and 46 transitions. [2022-04-08 09:26:48,155 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 46 transitions. [2022-04-08 09:26:48,157 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:26:48,157 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:26:48,157 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 09:26:48,157 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 09:26:48,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 41 states have (on average 1.024390243902439) internal successors, (42), 41 states have internal predecessors, (42), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:26:48,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 46 transitions. [2022-04-08 09:26:48,158 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 46 transitions. Word has length 44 [2022-04-08 09:26:48,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 09:26:48,159 INFO L478 AbstractCegarLoop]: Abstraction has 46 states and 46 transitions. [2022-04-08 09:26:48,159 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 1.0810810810810811) internal successors, (40), 36 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) [2022-04-08 09:26:48,159 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 46 states and 46 transitions. [2022-04-08 09:26:48,203 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 46 edges. 46 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:26:48,203 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 46 transitions. [2022-04-08 09:26:48,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-04-08 09:26:48,204 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 09:26:48,204 INFO L499 BasicCegarLoop]: trace histogram [34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 09:26:48,211 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2022-04-08 09:26:48,404 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2022-04-08 09:26:48,404 INFO L403 AbstractCegarLoop]: === Iteration 36 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 09:26:48,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 09:26:48,405 INFO L85 PathProgramCache]: Analyzing trace with hash 1595265820, now seen corresponding path program 67 times [2022-04-08 09:26:48,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 09:26:48,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [824960299] [2022-04-08 09:26:48,407 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-08 09:26:48,407 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-08 09:26:48,407 INFO L85 PathProgramCache]: Analyzing trace with hash 1595265820, now seen corresponding path program 68 times [2022-04-08 09:26:48,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 09:26:48,407 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700594933] [2022-04-08 09:26:48,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 09:26:48,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 09:26:48,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:26:49,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-08 09:26:49,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:26:49,231 INFO L290 TraceCheckUtils]: 0: Hoare triple {14713#(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(13, 2);call #Ultimate.allocInit(12, 3); {14673#true} is VALID [2022-04-08 09:26:49,231 INFO L290 TraceCheckUtils]: 1: Hoare triple {14673#true} assume true; {14673#true} is VALID [2022-04-08 09:26:49,231 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {14673#true} {14673#true} #34#return; {14673#true} is VALID [2022-04-08 09:26:49,231 INFO L272 TraceCheckUtils]: 0: Hoare triple {14673#true} call ULTIMATE.init(); {14713#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-08 09:26:49,232 INFO L290 TraceCheckUtils]: 1: Hoare triple {14713#(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(13, 2);call #Ultimate.allocInit(12, 3); {14673#true} is VALID [2022-04-08 09:26:49,232 INFO L290 TraceCheckUtils]: 2: Hoare triple {14673#true} assume true; {14673#true} is VALID [2022-04-08 09:26:49,232 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {14673#true} {14673#true} #34#return; {14673#true} is VALID [2022-04-08 09:26:49,232 INFO L272 TraceCheckUtils]: 4: Hoare triple {14673#true} call #t~ret4 := main(); {14673#true} is VALID [2022-04-08 09:26:49,232 INFO L290 TraceCheckUtils]: 5: Hoare triple {14673#true} ~x~0 := 268435441; {14678#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:26:49,233 INFO L290 TraceCheckUtils]: 6: Hoare triple {14678#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14679#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:26:49,233 INFO L290 TraceCheckUtils]: 7: Hoare triple {14679#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14680#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:26:49,234 INFO L290 TraceCheckUtils]: 8: Hoare triple {14680#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14681#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:26:49,234 INFO L290 TraceCheckUtils]: 9: Hoare triple {14681#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14682#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:26:49,235 INFO L290 TraceCheckUtils]: 10: Hoare triple {14682#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14683#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:26:49,235 INFO L290 TraceCheckUtils]: 11: Hoare triple {14683#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14684#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:26:49,236 INFO L290 TraceCheckUtils]: 12: Hoare triple {14684#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14685#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:26:49,236 INFO L290 TraceCheckUtils]: 13: Hoare triple {14685#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14686#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:26:49,237 INFO L290 TraceCheckUtils]: 14: Hoare triple {14686#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14687#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:26:49,237 INFO L290 TraceCheckUtils]: 15: Hoare triple {14687#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14688#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:26:49,238 INFO L290 TraceCheckUtils]: 16: Hoare triple {14688#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14689#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:26:49,238 INFO L290 TraceCheckUtils]: 17: Hoare triple {14689#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14690#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:26:49,239 INFO L290 TraceCheckUtils]: 18: Hoare triple {14690#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14691#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:26:49,239 INFO L290 TraceCheckUtils]: 19: Hoare triple {14691#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14692#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} is VALID [2022-04-08 09:26:49,240 INFO L290 TraceCheckUtils]: 20: Hoare triple {14692#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14693#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} is VALID [2022-04-08 09:26:49,240 INFO L290 TraceCheckUtils]: 21: Hoare triple {14693#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14694#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} is VALID [2022-04-08 09:26:49,241 INFO L290 TraceCheckUtils]: 22: Hoare triple {14694#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14695#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} is VALID [2022-04-08 09:26:49,241 INFO L290 TraceCheckUtils]: 23: Hoare triple {14695#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14696#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} is VALID [2022-04-08 09:26:49,242 INFO L290 TraceCheckUtils]: 24: Hoare triple {14696#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14697#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} is VALID [2022-04-08 09:26:49,242 INFO L290 TraceCheckUtils]: 25: Hoare triple {14697#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14698#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} is VALID [2022-04-08 09:26:49,243 INFO L290 TraceCheckUtils]: 26: Hoare triple {14698#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14699#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} is VALID [2022-04-08 09:26:49,244 INFO L290 TraceCheckUtils]: 27: Hoare triple {14699#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14700#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} is VALID [2022-04-08 09:26:49,244 INFO L290 TraceCheckUtils]: 28: Hoare triple {14700#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14701#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} is VALID [2022-04-08 09:26:49,245 INFO L290 TraceCheckUtils]: 29: Hoare triple {14701#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14702#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} is VALID [2022-04-08 09:26:49,245 INFO L290 TraceCheckUtils]: 30: Hoare triple {14702#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14703#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} is VALID [2022-04-08 09:26:49,246 INFO L290 TraceCheckUtils]: 31: Hoare triple {14703#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14704#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} is VALID [2022-04-08 09:26:49,246 INFO L290 TraceCheckUtils]: 32: Hoare triple {14704#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14705#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} is VALID [2022-04-08 09:26:49,247 INFO L290 TraceCheckUtils]: 33: Hoare triple {14705#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14706#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} is VALID [2022-04-08 09:26:49,247 INFO L290 TraceCheckUtils]: 34: Hoare triple {14706#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14707#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} is VALID [2022-04-08 09:26:49,248 INFO L290 TraceCheckUtils]: 35: Hoare triple {14707#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14708#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} is VALID [2022-04-08 09:26:49,248 INFO L290 TraceCheckUtils]: 36: Hoare triple {14708#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14709#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} is VALID [2022-04-08 09:26:49,249 INFO L290 TraceCheckUtils]: 37: Hoare triple {14709#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14710#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} is VALID [2022-04-08 09:26:49,249 INFO L290 TraceCheckUtils]: 38: Hoare triple {14710#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14711#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} is VALID [2022-04-08 09:26:49,250 INFO L290 TraceCheckUtils]: 39: Hoare triple {14711#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14712#(and (<= (div main_~x~0 4294967296) 0) (<= 268435373 main_~x~0))} is VALID [2022-04-08 09:26:49,250 INFO L290 TraceCheckUtils]: 40: Hoare triple {14712#(and (<= (div main_~x~0 4294967296) 0) (<= 268435373 main_~x~0))} assume !(~x~0 % 4294967296 > 1); {14674#false} is VALID [2022-04-08 09:26:49,250 INFO L272 TraceCheckUtils]: 41: Hoare triple {14674#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)); {14674#false} is VALID [2022-04-08 09:26:49,250 INFO L290 TraceCheckUtils]: 42: Hoare triple {14674#false} ~cond := #in~cond; {14674#false} is VALID [2022-04-08 09:26:49,250 INFO L290 TraceCheckUtils]: 43: Hoare triple {14674#false} assume 0 == ~cond; {14674#false} is VALID [2022-04-08 09:26:49,250 INFO L290 TraceCheckUtils]: 44: Hoare triple {14674#false} assume !false; {14674#false} is VALID [2022-04-08 09:26:49,251 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:26:49,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 09:26:49,251 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700594933] [2022-04-08 09:26:49,255 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700594933] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-08 09:26:49,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [602813928] [2022-04-08 09:26:49,256 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-08 09:26:49,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 09:26:49,256 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 09:26:49,257 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) [2022-04-08 09:26:49,258 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2022-04-08 09:26:49,343 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-08 09:26:49,343 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 09:26:49,344 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 74 conjunts are in the unsatisfiable core [2022-04-08 09:26:49,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:26:49,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 09:26:49,740 INFO L272 TraceCheckUtils]: 0: Hoare triple {14673#true} call ULTIMATE.init(); {14673#true} is VALID [2022-04-08 09:26:49,741 INFO L290 TraceCheckUtils]: 1: Hoare triple {14673#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(13, 2);call #Ultimate.allocInit(12, 3); {14673#true} is VALID [2022-04-08 09:26:49,741 INFO L290 TraceCheckUtils]: 2: Hoare triple {14673#true} assume true; {14673#true} is VALID [2022-04-08 09:26:49,741 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {14673#true} {14673#true} #34#return; {14673#true} is VALID [2022-04-08 09:26:49,741 INFO L272 TraceCheckUtils]: 4: Hoare triple {14673#true} call #t~ret4 := main(); {14673#true} is VALID [2022-04-08 09:26:49,741 INFO L290 TraceCheckUtils]: 5: Hoare triple {14673#true} ~x~0 := 268435441; {14678#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:26:49,742 INFO L290 TraceCheckUtils]: 6: Hoare triple {14678#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14679#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:26:49,743 INFO L290 TraceCheckUtils]: 7: Hoare triple {14679#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14680#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:26:49,743 INFO L290 TraceCheckUtils]: 8: Hoare triple {14680#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14681#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:26:49,744 INFO L290 TraceCheckUtils]: 9: Hoare triple {14681#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14682#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:26:49,744 INFO L290 TraceCheckUtils]: 10: Hoare triple {14682#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14683#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:26:49,745 INFO L290 TraceCheckUtils]: 11: Hoare triple {14683#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14684#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:26:49,745 INFO L290 TraceCheckUtils]: 12: Hoare triple {14684#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14685#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:26:49,746 INFO L290 TraceCheckUtils]: 13: Hoare triple {14685#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14686#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:26:49,746 INFO L290 TraceCheckUtils]: 14: Hoare triple {14686#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14687#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:26:49,747 INFO L290 TraceCheckUtils]: 15: Hoare triple {14687#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14688#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:26:49,747 INFO L290 TraceCheckUtils]: 16: Hoare triple {14688#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14689#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:26:49,748 INFO L290 TraceCheckUtils]: 17: Hoare triple {14689#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14690#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:26:49,748 INFO L290 TraceCheckUtils]: 18: Hoare triple {14690#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14691#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:26:49,749 INFO L290 TraceCheckUtils]: 19: Hoare triple {14691#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14692#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} is VALID [2022-04-08 09:26:49,749 INFO L290 TraceCheckUtils]: 20: Hoare triple {14692#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14693#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} is VALID [2022-04-08 09:26:49,750 INFO L290 TraceCheckUtils]: 21: Hoare triple {14693#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14694#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} is VALID [2022-04-08 09:26:49,750 INFO L290 TraceCheckUtils]: 22: Hoare triple {14694#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14695#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} is VALID [2022-04-08 09:26:49,751 INFO L290 TraceCheckUtils]: 23: Hoare triple {14695#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14696#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} is VALID [2022-04-08 09:26:49,752 INFO L290 TraceCheckUtils]: 24: Hoare triple {14696#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14697#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} is VALID [2022-04-08 09:26:49,753 INFO L290 TraceCheckUtils]: 25: Hoare triple {14697#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14698#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} is VALID [2022-04-08 09:26:49,753 INFO L290 TraceCheckUtils]: 26: Hoare triple {14698#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14699#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} is VALID [2022-04-08 09:26:49,754 INFO L290 TraceCheckUtils]: 27: Hoare triple {14699#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14700#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} is VALID [2022-04-08 09:26:49,754 INFO L290 TraceCheckUtils]: 28: Hoare triple {14700#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14701#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} is VALID [2022-04-08 09:26:49,755 INFO L290 TraceCheckUtils]: 29: Hoare triple {14701#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14702#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} is VALID [2022-04-08 09:26:49,755 INFO L290 TraceCheckUtils]: 30: Hoare triple {14702#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14703#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} is VALID [2022-04-08 09:26:49,756 INFO L290 TraceCheckUtils]: 31: Hoare triple {14703#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14704#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} is VALID [2022-04-08 09:26:49,756 INFO L290 TraceCheckUtils]: 32: Hoare triple {14704#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14705#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} is VALID [2022-04-08 09:26:49,757 INFO L290 TraceCheckUtils]: 33: Hoare triple {14705#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14706#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} is VALID [2022-04-08 09:26:49,757 INFO L290 TraceCheckUtils]: 34: Hoare triple {14706#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14707#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} is VALID [2022-04-08 09:26:49,758 INFO L290 TraceCheckUtils]: 35: Hoare triple {14707#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14708#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} is VALID [2022-04-08 09:26:49,758 INFO L290 TraceCheckUtils]: 36: Hoare triple {14708#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14709#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} is VALID [2022-04-08 09:26:49,759 INFO L290 TraceCheckUtils]: 37: Hoare triple {14709#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14710#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} is VALID [2022-04-08 09:26:49,759 INFO L290 TraceCheckUtils]: 38: Hoare triple {14710#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14711#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} is VALID [2022-04-08 09:26:49,760 INFO L290 TraceCheckUtils]: 39: Hoare triple {14711#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14834#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} is VALID [2022-04-08 09:26:49,760 INFO L290 TraceCheckUtils]: 40: Hoare triple {14834#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} assume !(~x~0 % 4294967296 > 1); {14674#false} is VALID [2022-04-08 09:26:49,761 INFO L272 TraceCheckUtils]: 41: Hoare triple {14674#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)); {14674#false} is VALID [2022-04-08 09:26:49,761 INFO L290 TraceCheckUtils]: 42: Hoare triple {14674#false} ~cond := #in~cond; {14674#false} is VALID [2022-04-08 09:26:49,761 INFO L290 TraceCheckUtils]: 43: Hoare triple {14674#false} assume 0 == ~cond; {14674#false} is VALID [2022-04-08 09:26:49,761 INFO L290 TraceCheckUtils]: 44: Hoare triple {14674#false} assume !false; {14674#false} is VALID [2022-04-08 09:26:49,761 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:26:49,761 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 09:26:52,434 INFO L290 TraceCheckUtils]: 44: Hoare triple {14674#false} assume !false; {14674#false} is VALID [2022-04-08 09:26:52,434 INFO L290 TraceCheckUtils]: 43: Hoare triple {14853#(not (<= __VERIFIER_assert_~cond 0))} assume 0 == ~cond; {14674#false} is VALID [2022-04-08 09:26:52,435 INFO L290 TraceCheckUtils]: 42: Hoare triple {14857#(< 0 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {14853#(not (<= __VERIFIER_assert_~cond 0))} is VALID [2022-04-08 09:26:52,435 INFO L272 TraceCheckUtils]: 41: Hoare triple {14861#(= (mod main_~x~0 2) 0)} 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)); {14857#(< 0 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-08 09:26:52,435 INFO L290 TraceCheckUtils]: 40: Hoare triple {14865#(or (< 1 (mod main_~x~0 4294967296)) (= (mod main_~x~0 2) 0))} assume !(~x~0 % 4294967296 > 1); {14861#(= (mod main_~x~0 2) 0)} is VALID [2022-04-08 09:26:52,437 INFO L290 TraceCheckUtils]: 39: Hoare triple {14869#(or (< 1 (mod (+ main_~x~0 4294967294) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14865#(or (< 1 (mod main_~x~0 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:52,438 INFO L290 TraceCheckUtils]: 38: Hoare triple {14873#(or (< 1 (mod (+ 4294967292 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14869#(or (< 1 (mod (+ main_~x~0 4294967294) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:52,439 INFO L290 TraceCheckUtils]: 37: Hoare triple {14877#(or (< 1 (mod (+ 4294967290 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14873#(or (< 1 (mod (+ 4294967292 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:52,440 INFO L290 TraceCheckUtils]: 36: Hoare triple {14881#(or (< 1 (mod (+ 4294967288 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14877#(or (< 1 (mod (+ 4294967290 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:52,443 INFO L290 TraceCheckUtils]: 35: Hoare triple {14885#(or (< 1 (mod (+ main_~x~0 4294967286) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14881#(or (< 1 (mod (+ 4294967288 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:52,444 INFO L290 TraceCheckUtils]: 34: Hoare triple {14889#(or (< 1 (mod (+ main_~x~0 4294967284) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14885#(or (< 1 (mod (+ main_~x~0 4294967286) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:52,445 INFO L290 TraceCheckUtils]: 33: Hoare triple {14893#(or (< 1 (mod (+ 4294967282 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14889#(or (< 1 (mod (+ main_~x~0 4294967284) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:52,446 INFO L290 TraceCheckUtils]: 32: Hoare triple {14897#(or (< 1 (mod (+ main_~x~0 4294967280) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14893#(or (< 1 (mod (+ 4294967282 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:52,446 INFO L290 TraceCheckUtils]: 31: Hoare triple {14901#(or (< 1 (mod (+ main_~x~0 4294967278) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14897#(or (< 1 (mod (+ main_~x~0 4294967280) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:52,447 INFO L290 TraceCheckUtils]: 30: Hoare triple {14905#(or (< 1 (mod (+ 4294967276 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14901#(or (< 1 (mod (+ main_~x~0 4294967278) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:52,448 INFO L290 TraceCheckUtils]: 29: Hoare triple {14909#(or (< 1 (mod (+ 4294967274 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14905#(or (< 1 (mod (+ 4294967276 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:52,449 INFO L290 TraceCheckUtils]: 28: Hoare triple {14913#(or (< 1 (mod (+ 4294967272 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14909#(or (< 1 (mod (+ 4294967274 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:52,450 INFO L290 TraceCheckUtils]: 27: Hoare triple {14917#(or (< 1 (mod (+ main_~x~0 4294967270) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14913#(or (< 1 (mod (+ 4294967272 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:52,451 INFO L290 TraceCheckUtils]: 26: Hoare triple {14921#(or (< 1 (mod (+ main_~x~0 4294967268) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14917#(or (< 1 (mod (+ main_~x~0 4294967270) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:52,451 INFO L290 TraceCheckUtils]: 25: Hoare triple {14925#(or (< 1 (mod (+ main_~x~0 4294967266) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14921#(or (< 1 (mod (+ main_~x~0 4294967268) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:52,452 INFO L290 TraceCheckUtils]: 24: Hoare triple {14929#(or (< 1 (mod (+ main_~x~0 4294967264) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14925#(or (< 1 (mod (+ main_~x~0 4294967266) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:52,454 INFO L290 TraceCheckUtils]: 23: Hoare triple {14933#(or (< 1 (mod (+ main_~x~0 4294967262) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14929#(or (< 1 (mod (+ main_~x~0 4294967264) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:52,455 INFO L290 TraceCheckUtils]: 22: Hoare triple {14937#(or (< 1 (mod (+ 4294967260 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14933#(or (< 1 (mod (+ main_~x~0 4294967262) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:52,456 INFO L290 TraceCheckUtils]: 21: Hoare triple {14941#(or (< 1 (mod (+ main_~x~0 4294967258) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14937#(or (< 1 (mod (+ 4294967260 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:52,457 INFO L290 TraceCheckUtils]: 20: Hoare triple {14945#(or (< 1 (mod (+ main_~x~0 4294967256) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14941#(or (< 1 (mod (+ main_~x~0 4294967258) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:52,457 INFO L290 TraceCheckUtils]: 19: Hoare triple {14949#(or (< 1 (mod (+ 4294967254 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14945#(or (< 1 (mod (+ main_~x~0 4294967256) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:52,458 INFO L290 TraceCheckUtils]: 18: Hoare triple {14953#(or (< 1 (mod (+ main_~x~0 4294967252) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14949#(or (< 1 (mod (+ 4294967254 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:52,459 INFO L290 TraceCheckUtils]: 17: Hoare triple {14957#(or (< 1 (mod (+ 4294967250 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14953#(or (< 1 (mod (+ main_~x~0 4294967252) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:52,460 INFO L290 TraceCheckUtils]: 16: Hoare triple {14961#(or (< 1 (mod (+ main_~x~0 4294967248) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14957#(or (< 1 (mod (+ 4294967250 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:52,460 INFO L290 TraceCheckUtils]: 15: Hoare triple {14965#(or (< 1 (mod (+ 4294967246 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14961#(or (< 1 (mod (+ main_~x~0 4294967248) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:52,461 INFO L290 TraceCheckUtils]: 14: Hoare triple {14969#(or (< 1 (mod (+ main_~x~0 4294967244) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14965#(or (< 1 (mod (+ 4294967246 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:52,462 INFO L290 TraceCheckUtils]: 13: Hoare triple {14973#(or (< 1 (mod (+ main_~x~0 4294967242) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14969#(or (< 1 (mod (+ main_~x~0 4294967244) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:52,463 INFO L290 TraceCheckUtils]: 12: Hoare triple {14977#(or (< 1 (mod (+ 4294967240 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14973#(or (< 1 (mod (+ main_~x~0 4294967242) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:52,464 INFO L290 TraceCheckUtils]: 11: Hoare triple {14981#(or (< 1 (mod (+ 4294967238 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14977#(or (< 1 (mod (+ 4294967240 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:52,465 INFO L290 TraceCheckUtils]: 10: Hoare triple {14985#(or (< 1 (mod (+ main_~x~0 4294967236) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14981#(or (< 1 (mod (+ 4294967238 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:52,466 INFO L290 TraceCheckUtils]: 9: Hoare triple {14989#(or (< 1 (mod (+ main_~x~0 4294967234) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14985#(or (< 1 (mod (+ main_~x~0 4294967236) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:52,469 INFO L290 TraceCheckUtils]: 8: Hoare triple {14993#(or (< 1 (mod (+ main_~x~0 4294967232) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14989#(or (< 1 (mod (+ main_~x~0 4294967234) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:52,470 INFO L290 TraceCheckUtils]: 7: Hoare triple {14997#(or (< 1 (mod (+ 4294967230 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14993#(or (< 1 (mod (+ main_~x~0 4294967232) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:52,470 INFO L290 TraceCheckUtils]: 6: Hoare triple {15001#(or (< 1 (mod (+ main_~x~0 4294967228) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {14997#(or (< 1 (mod (+ 4294967230 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:52,471 INFO L290 TraceCheckUtils]: 5: Hoare triple {14673#true} ~x~0 := 268435441; {15001#(or (< 1 (mod (+ main_~x~0 4294967228) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:26:52,471 INFO L272 TraceCheckUtils]: 4: Hoare triple {14673#true} call #t~ret4 := main(); {14673#true} is VALID [2022-04-08 09:26:52,471 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {14673#true} {14673#true} #34#return; {14673#true} is VALID [2022-04-08 09:26:52,471 INFO L290 TraceCheckUtils]: 2: Hoare triple {14673#true} assume true; {14673#true} is VALID [2022-04-08 09:26:52,471 INFO L290 TraceCheckUtils]: 1: Hoare triple {14673#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(13, 2);call #Ultimate.allocInit(12, 3); {14673#true} is VALID [2022-04-08 09:26:52,471 INFO L272 TraceCheckUtils]: 0: Hoare triple {14673#true} call ULTIMATE.init(); {14673#true} is VALID [2022-04-08 09:26:52,472 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:26:52,472 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [602813928] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-08 09:26:52,472 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-08 09:26:52,472 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 37, 40] total 77 [2022-04-08 09:26:52,472 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 09:26:52,472 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [824960299] [2022-04-08 09:26:52,473 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [824960299] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 09:26:52,473 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 09:26:52,473 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [38] imperfect sequences [] total 38 [2022-04-08 09:26:52,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562649809] [2022-04-08 09:26:52,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 09:26:52,473 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 38 states have (on average 1.0789473684210527) internal successors, (41), 37 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 [2022-04-08 09:26:52,474 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 09:26:52,474 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 38 states, 38 states have (on average 1.0789473684210527) internal successors, (41), 37 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) [2022-04-08 09:26:52,519 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 45 edges. 45 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:26:52,519 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2022-04-08 09:26:52,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 09:26:52,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2022-04-08 09:26:52,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1481, Invalid=4371, Unknown=0, NotChecked=0, Total=5852 [2022-04-08 09:26:52,520 INFO L87 Difference]: Start difference. First operand 46 states and 46 transitions. Second operand has 38 states, 38 states have (on average 1.0789473684210527) internal successors, (41), 37 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) [2022-04-08 09:26:54,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:26:54,979 INFO L93 Difference]: Finished difference Result 52 states and 52 transitions. [2022-04-08 09:26:54,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-04-08 09:26:54,980 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 38 states have (on average 1.0789473684210527) internal successors, (41), 37 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 [2022-04-08 09:26:54,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 09:26:54,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 38 states have (on average 1.0789473684210527) internal successors, (41), 37 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) [2022-04-08 09:26:54,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 52 transitions. [2022-04-08 09:26:54,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 38 states have (on average 1.0789473684210527) internal successors, (41), 37 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) [2022-04-08 09:26:54,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 52 transitions. [2022-04-08 09:26:54,981 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 38 states and 52 transitions. [2022-04-08 09:26:55,015 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 52 edges. 52 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:26:55,016 INFO L225 Difference]: With dead ends: 52 [2022-04-08 09:26:55,016 INFO L226 Difference]: Without dead ends: 47 [2022-04-08 09:26:55,017 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 53 SyntacticMatches, 1 SemanticMatches, 110 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 674 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=2914, Invalid=9518, Unknown=0, NotChecked=0, Total=12432 [2022-04-08 09:26:55,017 INFO L913 BasicCegarLoop]: 11 mSDtfsCounter, 6 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 1197 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 1268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 1197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-04-08 09:26:55,017 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 18 Invalid, 1268 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 1197 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-04-08 09:26:55,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2022-04-08 09:26:55,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2022-04-08 09:26:55,069 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 09:26:55,070 INFO L82 GeneralOperation]: Start isEquivalent. First operand 47 states. Second operand has 47 states, 42 states have (on average 1.0238095238095237) internal successors, (43), 42 states have internal predecessors, (43), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:26:55,070 INFO L74 IsIncluded]: Start isIncluded. First operand 47 states. Second operand has 47 states, 42 states have (on average 1.0238095238095237) internal successors, (43), 42 states have internal predecessors, (43), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:26:55,070 INFO L87 Difference]: Start difference. First operand 47 states. Second operand has 47 states, 42 states have (on average 1.0238095238095237) internal successors, (43), 42 states have internal predecessors, (43), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:26:55,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:26:55,070 INFO L93 Difference]: Finished difference Result 47 states and 47 transitions. [2022-04-08 09:26:55,071 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 47 transitions. [2022-04-08 09:26:55,071 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:26:55,071 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:26:55,071 INFO L74 IsIncluded]: Start isIncluded. First operand has 47 states, 42 states have (on average 1.0238095238095237) internal successors, (43), 42 states have internal predecessors, (43), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 47 states. [2022-04-08 09:26:55,071 INFO L87 Difference]: Start difference. First operand has 47 states, 42 states have (on average 1.0238095238095237) internal successors, (43), 42 states have internal predecessors, (43), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 47 states. [2022-04-08 09:26:55,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:26:55,072 INFO L93 Difference]: Finished difference Result 47 states and 47 transitions. [2022-04-08 09:26:55,072 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 47 transitions. [2022-04-08 09:26:55,072 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:26:55,072 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:26:55,072 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 09:26:55,072 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 09:26:55,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 42 states have (on average 1.0238095238095237) internal successors, (43), 42 states have internal predecessors, (43), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:26:55,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 47 transitions. [2022-04-08 09:26:55,073 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 47 transitions. Word has length 45 [2022-04-08 09:26:55,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 09:26:55,073 INFO L478 AbstractCegarLoop]: Abstraction has 47 states and 47 transitions. [2022-04-08 09:26:55,073 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 1.0789473684210527) internal successors, (41), 37 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) [2022-04-08 09:26:55,073 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 47 states and 47 transitions. [2022-04-08 09:26:55,107 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 47 edges. 47 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:26:55,108 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 47 transitions. [2022-04-08 09:26:55,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-04-08 09:26:55,108 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 09:26:55,108 INFO L499 BasicCegarLoop]: trace histogram [35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 09:26:55,125 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2022-04-08 09:26:55,308 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2022-04-08 09:26:55,309 INFO L403 AbstractCegarLoop]: === Iteration 37 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 09:26:55,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 09:26:55,309 INFO L85 PathProgramCache]: Analyzing trace with hash -2049905866, now seen corresponding path program 69 times [2022-04-08 09:26:55,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 09:26:55,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [736419472] [2022-04-08 09:26:55,311 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-08 09:26:55,311 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-08 09:26:55,312 INFO L85 PathProgramCache]: Analyzing trace with hash -2049905866, now seen corresponding path program 70 times [2022-04-08 09:26:55,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 09:26:55,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954855867] [2022-04-08 09:26:55,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 09:26:55,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 09:26:55,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:26:56,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-08 09:26:56,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:26:56,130 INFO L290 TraceCheckUtils]: 0: Hoare triple {15425#(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(13, 2);call #Ultimate.allocInit(12, 3); {15384#true} is VALID [2022-04-08 09:26:56,130 INFO L290 TraceCheckUtils]: 1: Hoare triple {15384#true} assume true; {15384#true} is VALID [2022-04-08 09:26:56,130 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {15384#true} {15384#true} #34#return; {15384#true} is VALID [2022-04-08 09:26:56,130 INFO L272 TraceCheckUtils]: 0: Hoare triple {15384#true} call ULTIMATE.init(); {15425#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-08 09:26:56,131 INFO L290 TraceCheckUtils]: 1: Hoare triple {15425#(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(13, 2);call #Ultimate.allocInit(12, 3); {15384#true} is VALID [2022-04-08 09:26:56,131 INFO L290 TraceCheckUtils]: 2: Hoare triple {15384#true} assume true; {15384#true} is VALID [2022-04-08 09:26:56,131 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {15384#true} {15384#true} #34#return; {15384#true} is VALID [2022-04-08 09:26:56,131 INFO L272 TraceCheckUtils]: 4: Hoare triple {15384#true} call #t~ret4 := main(); {15384#true} is VALID [2022-04-08 09:26:56,131 INFO L290 TraceCheckUtils]: 5: Hoare triple {15384#true} ~x~0 := 268435441; {15389#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:26:56,132 INFO L290 TraceCheckUtils]: 6: Hoare triple {15389#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15390#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:26:56,132 INFO L290 TraceCheckUtils]: 7: Hoare triple {15390#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15391#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:26:56,133 INFO L290 TraceCheckUtils]: 8: Hoare triple {15391#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15392#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:26:56,133 INFO L290 TraceCheckUtils]: 9: Hoare triple {15392#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15393#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:26:56,134 INFO L290 TraceCheckUtils]: 10: Hoare triple {15393#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15394#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:26:56,134 INFO L290 TraceCheckUtils]: 11: Hoare triple {15394#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15395#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:26:56,135 INFO L290 TraceCheckUtils]: 12: Hoare triple {15395#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15396#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:26:56,135 INFO L290 TraceCheckUtils]: 13: Hoare triple {15396#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15397#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:26:56,136 INFO L290 TraceCheckUtils]: 14: Hoare triple {15397#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15398#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:26:56,136 INFO L290 TraceCheckUtils]: 15: Hoare triple {15398#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15399#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:26:56,137 INFO L290 TraceCheckUtils]: 16: Hoare triple {15399#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15400#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:26:56,137 INFO L290 TraceCheckUtils]: 17: Hoare triple {15400#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15401#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:26:56,138 INFO L290 TraceCheckUtils]: 18: Hoare triple {15401#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15402#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:26:56,138 INFO L290 TraceCheckUtils]: 19: Hoare triple {15402#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15403#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} is VALID [2022-04-08 09:26:56,139 INFO L290 TraceCheckUtils]: 20: Hoare triple {15403#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15404#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} is VALID [2022-04-08 09:26:56,140 INFO L290 TraceCheckUtils]: 21: Hoare triple {15404#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15405#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} is VALID [2022-04-08 09:26:56,140 INFO L290 TraceCheckUtils]: 22: Hoare triple {15405#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15406#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} is VALID [2022-04-08 09:26:56,141 INFO L290 TraceCheckUtils]: 23: Hoare triple {15406#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15407#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} is VALID [2022-04-08 09:26:56,141 INFO L290 TraceCheckUtils]: 24: Hoare triple {15407#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15408#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} is VALID [2022-04-08 09:26:56,142 INFO L290 TraceCheckUtils]: 25: Hoare triple {15408#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15409#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} is VALID [2022-04-08 09:26:56,142 INFO L290 TraceCheckUtils]: 26: Hoare triple {15409#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15410#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} is VALID [2022-04-08 09:26:56,143 INFO L290 TraceCheckUtils]: 27: Hoare triple {15410#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15411#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} is VALID [2022-04-08 09:26:56,143 INFO L290 TraceCheckUtils]: 28: Hoare triple {15411#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15412#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} is VALID [2022-04-08 09:26:56,144 INFO L290 TraceCheckUtils]: 29: Hoare triple {15412#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15413#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} is VALID [2022-04-08 09:26:56,144 INFO L290 TraceCheckUtils]: 30: Hoare triple {15413#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15414#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} is VALID [2022-04-08 09:26:56,145 INFO L290 TraceCheckUtils]: 31: Hoare triple {15414#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15415#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} is VALID [2022-04-08 09:26:56,145 INFO L290 TraceCheckUtils]: 32: Hoare triple {15415#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15416#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} is VALID [2022-04-08 09:26:56,146 INFO L290 TraceCheckUtils]: 33: Hoare triple {15416#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15417#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} is VALID [2022-04-08 09:26:56,146 INFO L290 TraceCheckUtils]: 34: Hoare triple {15417#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15418#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} is VALID [2022-04-08 09:26:56,147 INFO L290 TraceCheckUtils]: 35: Hoare triple {15418#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15419#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} is VALID [2022-04-08 09:26:56,147 INFO L290 TraceCheckUtils]: 36: Hoare triple {15419#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15420#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} is VALID [2022-04-08 09:26:56,148 INFO L290 TraceCheckUtils]: 37: Hoare triple {15420#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15421#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} is VALID [2022-04-08 09:26:56,148 INFO L290 TraceCheckUtils]: 38: Hoare triple {15421#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15422#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} is VALID [2022-04-08 09:26:56,149 INFO L290 TraceCheckUtils]: 39: Hoare triple {15422#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15423#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} is VALID [2022-04-08 09:26:56,149 INFO L290 TraceCheckUtils]: 40: Hoare triple {15423#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15424#(and (<= (div main_~x~0 4294967296) 0) (<= 268435371 main_~x~0))} is VALID [2022-04-08 09:26:56,150 INFO L290 TraceCheckUtils]: 41: Hoare triple {15424#(and (<= (div main_~x~0 4294967296) 0) (<= 268435371 main_~x~0))} assume !(~x~0 % 4294967296 > 1); {15385#false} is VALID [2022-04-08 09:26:56,150 INFO L272 TraceCheckUtils]: 42: Hoare triple {15385#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)); {15385#false} is VALID [2022-04-08 09:26:56,150 INFO L290 TraceCheckUtils]: 43: Hoare triple {15385#false} ~cond := #in~cond; {15385#false} is VALID [2022-04-08 09:26:56,150 INFO L290 TraceCheckUtils]: 44: Hoare triple {15385#false} assume 0 == ~cond; {15385#false} is VALID [2022-04-08 09:26:56,150 INFO L290 TraceCheckUtils]: 45: Hoare triple {15385#false} assume !false; {15385#false} is VALID [2022-04-08 09:26:56,151 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:26:56,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 09:26:56,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954855867] [2022-04-08 09:26:56,151 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954855867] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-08 09:26:56,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [78474215] [2022-04-08 09:26:56,151 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-08 09:26:56,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 09:26:56,151 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 09:26:56,152 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) [2022-04-08 09:26:56,153 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2022-04-08 09:26:56,256 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-08 09:26:56,256 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 09:26:56,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 73 conjunts are in the unsatisfiable core [2022-04-08 09:26:56,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:26:56,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 09:26:56,754 INFO L272 TraceCheckUtils]: 0: Hoare triple {15384#true} call ULTIMATE.init(); {15384#true} is VALID [2022-04-08 09:26:56,755 INFO L290 TraceCheckUtils]: 1: Hoare triple {15384#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(13, 2);call #Ultimate.allocInit(12, 3); {15384#true} is VALID [2022-04-08 09:26:56,755 INFO L290 TraceCheckUtils]: 2: Hoare triple {15384#true} assume true; {15384#true} is VALID [2022-04-08 09:26:56,755 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {15384#true} {15384#true} #34#return; {15384#true} is VALID [2022-04-08 09:26:56,755 INFO L272 TraceCheckUtils]: 4: Hoare triple {15384#true} call #t~ret4 := main(); {15384#true} is VALID [2022-04-08 09:26:56,755 INFO L290 TraceCheckUtils]: 5: Hoare triple {15384#true} ~x~0 := 268435441; {15389#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:26:56,756 INFO L290 TraceCheckUtils]: 6: Hoare triple {15389#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15390#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:26:56,756 INFO L290 TraceCheckUtils]: 7: Hoare triple {15390#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15391#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:26:56,757 INFO L290 TraceCheckUtils]: 8: Hoare triple {15391#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15392#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:26:56,757 INFO L290 TraceCheckUtils]: 9: Hoare triple {15392#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15393#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:26:56,758 INFO L290 TraceCheckUtils]: 10: Hoare triple {15393#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15394#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:26:56,758 INFO L290 TraceCheckUtils]: 11: Hoare triple {15394#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15395#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:26:56,759 INFO L290 TraceCheckUtils]: 12: Hoare triple {15395#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15396#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:26:56,760 INFO L290 TraceCheckUtils]: 13: Hoare triple {15396#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15397#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:26:56,760 INFO L290 TraceCheckUtils]: 14: Hoare triple {15397#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15398#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:26:56,761 INFO L290 TraceCheckUtils]: 15: Hoare triple {15398#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15399#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:26:56,761 INFO L290 TraceCheckUtils]: 16: Hoare triple {15399#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15400#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:26:56,762 INFO L290 TraceCheckUtils]: 17: Hoare triple {15400#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15401#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:26:56,762 INFO L290 TraceCheckUtils]: 18: Hoare triple {15401#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15402#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:26:56,763 INFO L290 TraceCheckUtils]: 19: Hoare triple {15402#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15403#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} is VALID [2022-04-08 09:26:56,763 INFO L290 TraceCheckUtils]: 20: Hoare triple {15403#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15404#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} is VALID [2022-04-08 09:26:56,764 INFO L290 TraceCheckUtils]: 21: Hoare triple {15404#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15405#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} is VALID [2022-04-08 09:26:56,764 INFO L290 TraceCheckUtils]: 22: Hoare triple {15405#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15406#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} is VALID [2022-04-08 09:26:56,765 INFO L290 TraceCheckUtils]: 23: Hoare triple {15406#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15407#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} is VALID [2022-04-08 09:26:56,765 INFO L290 TraceCheckUtils]: 24: Hoare triple {15407#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15408#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} is VALID [2022-04-08 09:26:56,766 INFO L290 TraceCheckUtils]: 25: Hoare triple {15408#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15409#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} is VALID [2022-04-08 09:26:56,766 INFO L290 TraceCheckUtils]: 26: Hoare triple {15409#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15410#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} is VALID [2022-04-08 09:26:56,767 INFO L290 TraceCheckUtils]: 27: Hoare triple {15410#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15411#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} is VALID [2022-04-08 09:26:56,767 INFO L290 TraceCheckUtils]: 28: Hoare triple {15411#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15412#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} is VALID [2022-04-08 09:26:56,768 INFO L290 TraceCheckUtils]: 29: Hoare triple {15412#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15413#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} is VALID [2022-04-08 09:26:56,768 INFO L290 TraceCheckUtils]: 30: Hoare triple {15413#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15414#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} is VALID [2022-04-08 09:26:56,769 INFO L290 TraceCheckUtils]: 31: Hoare triple {15414#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15415#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} is VALID [2022-04-08 09:26:56,769 INFO L290 TraceCheckUtils]: 32: Hoare triple {15415#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15416#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} is VALID [2022-04-08 09:26:56,770 INFO L290 TraceCheckUtils]: 33: Hoare triple {15416#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15417#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} is VALID [2022-04-08 09:26:56,770 INFO L290 TraceCheckUtils]: 34: Hoare triple {15417#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15418#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} is VALID [2022-04-08 09:26:56,771 INFO L290 TraceCheckUtils]: 35: Hoare triple {15418#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15419#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} is VALID [2022-04-08 09:26:56,771 INFO L290 TraceCheckUtils]: 36: Hoare triple {15419#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15420#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} is VALID [2022-04-08 09:26:56,772 INFO L290 TraceCheckUtils]: 37: Hoare triple {15420#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15421#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} is VALID [2022-04-08 09:26:56,772 INFO L290 TraceCheckUtils]: 38: Hoare triple {15421#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15422#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} is VALID [2022-04-08 09:26:56,773 INFO L290 TraceCheckUtils]: 39: Hoare triple {15422#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15423#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} is VALID [2022-04-08 09:26:56,773 INFO L290 TraceCheckUtils]: 40: Hoare triple {15423#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15549#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} is VALID [2022-04-08 09:26:56,774 INFO L290 TraceCheckUtils]: 41: Hoare triple {15549#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} assume !(~x~0 % 4294967296 > 1); {15385#false} is VALID [2022-04-08 09:26:56,774 INFO L272 TraceCheckUtils]: 42: Hoare triple {15385#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)); {15385#false} is VALID [2022-04-08 09:26:56,774 INFO L290 TraceCheckUtils]: 43: Hoare triple {15385#false} ~cond := #in~cond; {15385#false} is VALID [2022-04-08 09:26:56,774 INFO L290 TraceCheckUtils]: 44: Hoare triple {15385#false} assume 0 == ~cond; {15385#false} is VALID [2022-04-08 09:26:56,774 INFO L290 TraceCheckUtils]: 45: Hoare triple {15385#false} assume !false; {15385#false} is VALID [2022-04-08 09:26:56,775 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:26:56,775 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 09:26:58,913 INFO L290 TraceCheckUtils]: 45: Hoare triple {15385#false} assume !false; {15385#false} is VALID [2022-04-08 09:26:58,913 INFO L290 TraceCheckUtils]: 44: Hoare triple {15385#false} assume 0 == ~cond; {15385#false} is VALID [2022-04-08 09:26:58,913 INFO L290 TraceCheckUtils]: 43: Hoare triple {15385#false} ~cond := #in~cond; {15385#false} is VALID [2022-04-08 09:26:58,913 INFO L272 TraceCheckUtils]: 42: Hoare triple {15385#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)); {15385#false} is VALID [2022-04-08 09:26:58,913 INFO L290 TraceCheckUtils]: 41: Hoare triple {15577#(< 1 (mod main_~x~0 4294967296))} assume !(~x~0 % 4294967296 > 1); {15385#false} is VALID [2022-04-08 09:26:58,915 INFO L290 TraceCheckUtils]: 40: Hoare triple {15581#(< 1 (mod (+ main_~x~0 4294967294) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15577#(< 1 (mod main_~x~0 4294967296))} is VALID [2022-04-08 09:26:58,915 INFO L290 TraceCheckUtils]: 39: Hoare triple {15585#(< 1 (mod (+ 4294967292 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15581#(< 1 (mod (+ main_~x~0 4294967294) 4294967296))} is VALID [2022-04-08 09:26:58,916 INFO L290 TraceCheckUtils]: 38: Hoare triple {15589#(< 1 (mod (+ 4294967290 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15585#(< 1 (mod (+ 4294967292 main_~x~0) 4294967296))} is VALID [2022-04-08 09:26:58,917 INFO L290 TraceCheckUtils]: 37: Hoare triple {15593#(< 1 (mod (+ 4294967288 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15589#(< 1 (mod (+ 4294967290 main_~x~0) 4294967296))} is VALID [2022-04-08 09:26:58,917 INFO L290 TraceCheckUtils]: 36: Hoare triple {15597#(< 1 (mod (+ main_~x~0 4294967286) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15593#(< 1 (mod (+ 4294967288 main_~x~0) 4294967296))} is VALID [2022-04-08 09:26:58,918 INFO L290 TraceCheckUtils]: 35: Hoare triple {15601#(< 1 (mod (+ main_~x~0 4294967284) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15597#(< 1 (mod (+ main_~x~0 4294967286) 4294967296))} is VALID [2022-04-08 09:26:58,919 INFO L290 TraceCheckUtils]: 34: Hoare triple {15605#(< 1 (mod (+ 4294967282 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15601#(< 1 (mod (+ main_~x~0 4294967284) 4294967296))} is VALID [2022-04-08 09:26:58,920 INFO L290 TraceCheckUtils]: 33: Hoare triple {15609#(< 1 (mod (+ main_~x~0 4294967280) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15605#(< 1 (mod (+ 4294967282 main_~x~0) 4294967296))} is VALID [2022-04-08 09:26:58,921 INFO L290 TraceCheckUtils]: 32: Hoare triple {15613#(< 1 (mod (+ main_~x~0 4294967278) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15609#(< 1 (mod (+ main_~x~0 4294967280) 4294967296))} is VALID [2022-04-08 09:26:58,921 INFO L290 TraceCheckUtils]: 31: Hoare triple {15617#(< 1 (mod (+ 4294967276 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15613#(< 1 (mod (+ main_~x~0 4294967278) 4294967296))} is VALID [2022-04-08 09:26:58,922 INFO L290 TraceCheckUtils]: 30: Hoare triple {15621#(< 1 (mod (+ 4294967274 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15617#(< 1 (mod (+ 4294967276 main_~x~0) 4294967296))} is VALID [2022-04-08 09:26:58,923 INFO L290 TraceCheckUtils]: 29: Hoare triple {15625#(< 1 (mod (+ 4294967272 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15621#(< 1 (mod (+ 4294967274 main_~x~0) 4294967296))} is VALID [2022-04-08 09:26:58,924 INFO L290 TraceCheckUtils]: 28: Hoare triple {15629#(< 1 (mod (+ main_~x~0 4294967270) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15625#(< 1 (mod (+ 4294967272 main_~x~0) 4294967296))} is VALID [2022-04-08 09:26:58,924 INFO L290 TraceCheckUtils]: 27: Hoare triple {15633#(< 1 (mod (+ main_~x~0 4294967268) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15629#(< 1 (mod (+ main_~x~0 4294967270) 4294967296))} is VALID [2022-04-08 09:26:58,925 INFO L290 TraceCheckUtils]: 26: Hoare triple {15637#(< 1 (mod (+ main_~x~0 4294967266) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15633#(< 1 (mod (+ main_~x~0 4294967268) 4294967296))} is VALID [2022-04-08 09:26:58,926 INFO L290 TraceCheckUtils]: 25: Hoare triple {15641#(< 1 (mod (+ main_~x~0 4294967264) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15637#(< 1 (mod (+ main_~x~0 4294967266) 4294967296))} is VALID [2022-04-08 09:26:58,926 INFO L290 TraceCheckUtils]: 24: Hoare triple {15645#(< 1 (mod (+ main_~x~0 4294967262) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15641#(< 1 (mod (+ main_~x~0 4294967264) 4294967296))} is VALID [2022-04-08 09:26:58,927 INFO L290 TraceCheckUtils]: 23: Hoare triple {15649#(< 1 (mod (+ 4294967260 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15645#(< 1 (mod (+ main_~x~0 4294967262) 4294967296))} is VALID [2022-04-08 09:26:58,929 INFO L290 TraceCheckUtils]: 22: Hoare triple {15653#(< 1 (mod (+ main_~x~0 4294967258) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15649#(< 1 (mod (+ 4294967260 main_~x~0) 4294967296))} is VALID [2022-04-08 09:26:58,930 INFO L290 TraceCheckUtils]: 21: Hoare triple {15657#(< 1 (mod (+ main_~x~0 4294967256) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15653#(< 1 (mod (+ main_~x~0 4294967258) 4294967296))} is VALID [2022-04-08 09:26:58,931 INFO L290 TraceCheckUtils]: 20: Hoare triple {15661#(< 1 (mod (+ 4294967254 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15657#(< 1 (mod (+ main_~x~0 4294967256) 4294967296))} is VALID [2022-04-08 09:26:58,931 INFO L290 TraceCheckUtils]: 19: Hoare triple {15665#(< 1 (mod (+ main_~x~0 4294967252) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15661#(< 1 (mod (+ 4294967254 main_~x~0) 4294967296))} is VALID [2022-04-08 09:26:58,932 INFO L290 TraceCheckUtils]: 18: Hoare triple {15669#(< 1 (mod (+ 4294967250 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15665#(< 1 (mod (+ main_~x~0 4294967252) 4294967296))} is VALID [2022-04-08 09:26:58,933 INFO L290 TraceCheckUtils]: 17: Hoare triple {15673#(< 1 (mod (+ main_~x~0 4294967248) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15669#(< 1 (mod (+ 4294967250 main_~x~0) 4294967296))} is VALID [2022-04-08 09:26:58,933 INFO L290 TraceCheckUtils]: 16: Hoare triple {15677#(< 1 (mod (+ 4294967246 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15673#(< 1 (mod (+ main_~x~0 4294967248) 4294967296))} is VALID [2022-04-08 09:26:58,934 INFO L290 TraceCheckUtils]: 15: Hoare triple {15681#(< 1 (mod (+ main_~x~0 4294967244) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15677#(< 1 (mod (+ 4294967246 main_~x~0) 4294967296))} is VALID [2022-04-08 09:26:58,935 INFO L290 TraceCheckUtils]: 14: Hoare triple {15685#(< 1 (mod (+ main_~x~0 4294967242) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15681#(< 1 (mod (+ main_~x~0 4294967244) 4294967296))} is VALID [2022-04-08 09:26:58,935 INFO L290 TraceCheckUtils]: 13: Hoare triple {15689#(< 1 (mod (+ 4294967240 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15685#(< 1 (mod (+ main_~x~0 4294967242) 4294967296))} is VALID [2022-04-08 09:26:58,936 INFO L290 TraceCheckUtils]: 12: Hoare triple {15693#(< 1 (mod (+ 4294967238 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15689#(< 1 (mod (+ 4294967240 main_~x~0) 4294967296))} is VALID [2022-04-08 09:26:58,936 INFO L290 TraceCheckUtils]: 11: Hoare triple {15697#(< 1 (mod (+ main_~x~0 4294967236) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15693#(< 1 (mod (+ 4294967238 main_~x~0) 4294967296))} is VALID [2022-04-08 09:26:58,937 INFO L290 TraceCheckUtils]: 10: Hoare triple {15701#(< 1 (mod (+ main_~x~0 4294967234) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15697#(< 1 (mod (+ main_~x~0 4294967236) 4294967296))} is VALID [2022-04-08 09:26:58,938 INFO L290 TraceCheckUtils]: 9: Hoare triple {15705#(< 1 (mod (+ main_~x~0 4294967232) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15701#(< 1 (mod (+ main_~x~0 4294967234) 4294967296))} is VALID [2022-04-08 09:26:58,938 INFO L290 TraceCheckUtils]: 8: Hoare triple {15709#(< 1 (mod (+ 4294967230 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15705#(< 1 (mod (+ main_~x~0 4294967232) 4294967296))} is VALID [2022-04-08 09:26:58,939 INFO L290 TraceCheckUtils]: 7: Hoare triple {15713#(< 1 (mod (+ main_~x~0 4294967228) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15709#(< 1 (mod (+ 4294967230 main_~x~0) 4294967296))} is VALID [2022-04-08 09:26:58,940 INFO L290 TraceCheckUtils]: 6: Hoare triple {15717#(< 1 (mod (+ main_~x~0 4294967226) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {15713#(< 1 (mod (+ main_~x~0 4294967228) 4294967296))} is VALID [2022-04-08 09:26:58,941 INFO L290 TraceCheckUtils]: 5: Hoare triple {15384#true} ~x~0 := 268435441; {15717#(< 1 (mod (+ main_~x~0 4294967226) 4294967296))} is VALID [2022-04-08 09:26:58,941 INFO L272 TraceCheckUtils]: 4: Hoare triple {15384#true} call #t~ret4 := main(); {15384#true} is VALID [2022-04-08 09:26:58,941 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {15384#true} {15384#true} #34#return; {15384#true} is VALID [2022-04-08 09:26:58,941 INFO L290 TraceCheckUtils]: 2: Hoare triple {15384#true} assume true; {15384#true} is VALID [2022-04-08 09:26:58,941 INFO L290 TraceCheckUtils]: 1: Hoare triple {15384#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(13, 2);call #Ultimate.allocInit(12, 3); {15384#true} is VALID [2022-04-08 09:26:58,941 INFO L272 TraceCheckUtils]: 0: Hoare triple {15384#true} call ULTIMATE.init(); {15384#true} is VALID [2022-04-08 09:26:58,942 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:26:58,942 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [78474215] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-08 09:26:58,942 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-08 09:26:58,942 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 38, 38] total 76 [2022-04-08 09:26:58,942 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 09:26:58,942 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [736419472] [2022-04-08 09:26:58,942 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [736419472] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 09:26:58,942 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 09:26:58,942 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [39] imperfect sequences [] total 39 [2022-04-08 09:26:58,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437789648] [2022-04-08 09:26:58,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 09:26:58,943 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 39 states have (on average 1.0769230769230769) internal successors, (42), 38 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 [2022-04-08 09:26:58,943 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 09:26:58,943 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 39 states, 39 states have (on average 1.0769230769230769) internal successors, (42), 38 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) [2022-04-08 09:26:58,976 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 46 edges. 46 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:26:58,976 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2022-04-08 09:26:58,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 09:26:58,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2022-04-08 09:26:58,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1517, Invalid=4183, Unknown=0, NotChecked=0, Total=5700 [2022-04-08 09:26:58,977 INFO L87 Difference]: Start difference. First operand 47 states and 47 transitions. Second operand has 39 states, 39 states have (on average 1.0769230769230769) internal successors, (42), 38 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) [2022-04-08 09:27:01,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:27:01,597 INFO L93 Difference]: Finished difference Result 53 states and 53 transitions. [2022-04-08 09:27:01,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-04-08 09:27:01,597 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 39 states have (on average 1.0769230769230769) internal successors, (42), 38 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 [2022-04-08 09:27:01,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 09:27:01,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 39 states have (on average 1.0769230769230769) internal successors, (42), 38 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) [2022-04-08 09:27:01,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 53 transitions. [2022-04-08 09:27:01,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 39 states have (on average 1.0769230769230769) internal successors, (42), 38 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) [2022-04-08 09:27:01,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 53 transitions. [2022-04-08 09:27:01,600 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 39 states and 53 transitions. [2022-04-08 09:27:01,645 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 53 edges. 53 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:27:01,646 INFO L225 Difference]: With dead ends: 53 [2022-04-08 09:27:01,646 INFO L226 Difference]: Without dead ends: 48 [2022-04-08 09:27:01,647 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 57 SyntacticMatches, 1 SemanticMatches, 110 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 705 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=3027, Invalid=9405, Unknown=0, NotChecked=0, Total=12432 [2022-04-08 09:27:01,647 INFO L913 BasicCegarLoop]: 11 mSDtfsCounter, 6 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 1312 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 1385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 1312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-04-08 09:27:01,648 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 63 Invalid, 1385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 1312 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-04-08 09:27:01,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2022-04-08 09:27:01,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2022-04-08 09:27:01,707 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 09:27:01,707 INFO L82 GeneralOperation]: Start isEquivalent. First operand 48 states. Second operand has 48 states, 43 states have (on average 1.0232558139534884) internal successors, (44), 43 states have internal predecessors, (44), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:27:01,707 INFO L74 IsIncluded]: Start isIncluded. First operand 48 states. Second operand has 48 states, 43 states have (on average 1.0232558139534884) internal successors, (44), 43 states have internal predecessors, (44), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:27:01,708 INFO L87 Difference]: Start difference. First operand 48 states. Second operand has 48 states, 43 states have (on average 1.0232558139534884) internal successors, (44), 43 states have internal predecessors, (44), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:27:01,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:27:01,708 INFO L93 Difference]: Finished difference Result 48 states and 48 transitions. [2022-04-08 09:27:01,709 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 48 transitions. [2022-04-08 09:27:01,709 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:27:01,709 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:27:01,709 INFO L74 IsIncluded]: Start isIncluded. First operand has 48 states, 43 states have (on average 1.0232558139534884) internal successors, (44), 43 states have internal predecessors, (44), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 48 states. [2022-04-08 09:27:01,709 INFO L87 Difference]: Start difference. First operand has 48 states, 43 states have (on average 1.0232558139534884) internal successors, (44), 43 states have internal predecessors, (44), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 48 states. [2022-04-08 09:27:01,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:27:01,710 INFO L93 Difference]: Finished difference Result 48 states and 48 transitions. [2022-04-08 09:27:01,710 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 48 transitions. [2022-04-08 09:27:01,710 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:27:01,710 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:27:01,710 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 09:27:01,710 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 09:27:01,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 43 states have (on average 1.0232558139534884) internal successors, (44), 43 states have internal predecessors, (44), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:27:01,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 48 transitions. [2022-04-08 09:27:01,711 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 48 transitions. Word has length 46 [2022-04-08 09:27:01,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 09:27:01,712 INFO L478 AbstractCegarLoop]: Abstraction has 48 states and 48 transitions. [2022-04-08 09:27:01,712 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 1.0769230769230769) internal successors, (42), 38 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) [2022-04-08 09:27:01,712 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 48 states and 48 transitions. [2022-04-08 09:27:01,762 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 48 edges. 48 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:27:01,762 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 48 transitions. [2022-04-08 09:27:01,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-04-08 09:27:01,762 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 09:27:01,762 INFO L499 BasicCegarLoop]: trace histogram [36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 09:27:01,787 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2022-04-08 09:27:01,963 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2022-04-08 09:27:01,963 INFO L403 AbstractCegarLoop]: === Iteration 38 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 09:27:01,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 09:27:01,964 INFO L85 PathProgramCache]: Analyzing trace with hash 913888860, now seen corresponding path program 71 times [2022-04-08 09:27:01,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 09:27:01,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [794663250] [2022-04-08 09:27:01,966 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-08 09:27:01,967 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-08 09:27:01,967 INFO L85 PathProgramCache]: Analyzing trace with hash 913888860, now seen corresponding path program 72 times [2022-04-08 09:27:01,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 09:27:01,967 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595331211] [2022-04-08 09:27:01,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 09:27:01,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 09:27:02,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:27:02,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-08 09:27:02,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:27:02,858 INFO L290 TraceCheckUtils]: 0: Hoare triple {16150#(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(13, 2);call #Ultimate.allocInit(12, 3); {16108#true} is VALID [2022-04-08 09:27:02,858 INFO L290 TraceCheckUtils]: 1: Hoare triple {16108#true} assume true; {16108#true} is VALID [2022-04-08 09:27:02,859 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {16108#true} {16108#true} #34#return; {16108#true} is VALID [2022-04-08 09:27:02,859 INFO L272 TraceCheckUtils]: 0: Hoare triple {16108#true} call ULTIMATE.init(); {16150#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-08 09:27:02,859 INFO L290 TraceCheckUtils]: 1: Hoare triple {16150#(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(13, 2);call #Ultimate.allocInit(12, 3); {16108#true} is VALID [2022-04-08 09:27:02,859 INFO L290 TraceCheckUtils]: 2: Hoare triple {16108#true} assume true; {16108#true} is VALID [2022-04-08 09:27:02,859 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {16108#true} {16108#true} #34#return; {16108#true} is VALID [2022-04-08 09:27:02,859 INFO L272 TraceCheckUtils]: 4: Hoare triple {16108#true} call #t~ret4 := main(); {16108#true} is VALID [2022-04-08 09:27:02,860 INFO L290 TraceCheckUtils]: 5: Hoare triple {16108#true} ~x~0 := 268435441; {16113#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:27:02,860 INFO L290 TraceCheckUtils]: 6: Hoare triple {16113#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16114#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:27:02,861 INFO L290 TraceCheckUtils]: 7: Hoare triple {16114#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16115#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:27:02,861 INFO L290 TraceCheckUtils]: 8: Hoare triple {16115#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16116#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:27:02,862 INFO L290 TraceCheckUtils]: 9: Hoare triple {16116#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16117#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:27:02,862 INFO L290 TraceCheckUtils]: 10: Hoare triple {16117#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16118#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:27:02,863 INFO L290 TraceCheckUtils]: 11: Hoare triple {16118#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16119#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:27:02,863 INFO L290 TraceCheckUtils]: 12: Hoare triple {16119#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16120#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:27:02,864 INFO L290 TraceCheckUtils]: 13: Hoare triple {16120#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16121#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:27:02,865 INFO L290 TraceCheckUtils]: 14: Hoare triple {16121#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16122#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:27:02,865 INFO L290 TraceCheckUtils]: 15: Hoare triple {16122#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16123#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:27:02,866 INFO L290 TraceCheckUtils]: 16: Hoare triple {16123#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16124#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:27:02,866 INFO L290 TraceCheckUtils]: 17: Hoare triple {16124#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16125#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:27:02,867 INFO L290 TraceCheckUtils]: 18: Hoare triple {16125#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16126#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:27:02,867 INFO L290 TraceCheckUtils]: 19: Hoare triple {16126#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16127#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} is VALID [2022-04-08 09:27:02,868 INFO L290 TraceCheckUtils]: 20: Hoare triple {16127#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16128#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} is VALID [2022-04-08 09:27:02,868 INFO L290 TraceCheckUtils]: 21: Hoare triple {16128#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16129#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} is VALID [2022-04-08 09:27:02,869 INFO L290 TraceCheckUtils]: 22: Hoare triple {16129#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16130#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} is VALID [2022-04-08 09:27:02,869 INFO L290 TraceCheckUtils]: 23: Hoare triple {16130#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16131#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} is VALID [2022-04-08 09:27:02,870 INFO L290 TraceCheckUtils]: 24: Hoare triple {16131#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16132#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} is VALID [2022-04-08 09:27:02,870 INFO L290 TraceCheckUtils]: 25: Hoare triple {16132#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16133#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} is VALID [2022-04-08 09:27:02,871 INFO L290 TraceCheckUtils]: 26: Hoare triple {16133#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16134#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} is VALID [2022-04-08 09:27:02,871 INFO L290 TraceCheckUtils]: 27: Hoare triple {16134#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16135#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} is VALID [2022-04-08 09:27:02,872 INFO L290 TraceCheckUtils]: 28: Hoare triple {16135#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16136#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} is VALID [2022-04-08 09:27:02,872 INFO L290 TraceCheckUtils]: 29: Hoare triple {16136#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16137#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} is VALID [2022-04-08 09:27:02,873 INFO L290 TraceCheckUtils]: 30: Hoare triple {16137#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16138#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} is VALID [2022-04-08 09:27:02,873 INFO L290 TraceCheckUtils]: 31: Hoare triple {16138#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16139#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} is VALID [2022-04-08 09:27:02,874 INFO L290 TraceCheckUtils]: 32: Hoare triple {16139#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16140#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} is VALID [2022-04-08 09:27:02,874 INFO L290 TraceCheckUtils]: 33: Hoare triple {16140#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16141#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} is VALID [2022-04-08 09:27:02,875 INFO L290 TraceCheckUtils]: 34: Hoare triple {16141#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16142#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} is VALID [2022-04-08 09:27:02,875 INFO L290 TraceCheckUtils]: 35: Hoare triple {16142#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16143#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} is VALID [2022-04-08 09:27:02,876 INFO L290 TraceCheckUtils]: 36: Hoare triple {16143#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16144#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} is VALID [2022-04-08 09:27:02,876 INFO L290 TraceCheckUtils]: 37: Hoare triple {16144#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16145#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} is VALID [2022-04-08 09:27:02,877 INFO L290 TraceCheckUtils]: 38: Hoare triple {16145#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16146#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} is VALID [2022-04-08 09:27:02,877 INFO L290 TraceCheckUtils]: 39: Hoare triple {16146#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16147#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} is VALID [2022-04-08 09:27:02,878 INFO L290 TraceCheckUtils]: 40: Hoare triple {16147#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16148#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} is VALID [2022-04-08 09:27:02,878 INFO L290 TraceCheckUtils]: 41: Hoare triple {16148#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16149#(and (<= (div main_~x~0 4294967296) 0) (<= 268435369 main_~x~0))} is VALID [2022-04-08 09:27:02,879 INFO L290 TraceCheckUtils]: 42: Hoare triple {16149#(and (<= (div main_~x~0 4294967296) 0) (<= 268435369 main_~x~0))} assume !(~x~0 % 4294967296 > 1); {16109#false} is VALID [2022-04-08 09:27:02,879 INFO L272 TraceCheckUtils]: 43: Hoare triple {16109#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)); {16109#false} is VALID [2022-04-08 09:27:02,879 INFO L290 TraceCheckUtils]: 44: Hoare triple {16109#false} ~cond := #in~cond; {16109#false} is VALID [2022-04-08 09:27:02,879 INFO L290 TraceCheckUtils]: 45: Hoare triple {16109#false} assume 0 == ~cond; {16109#false} is VALID [2022-04-08 09:27:02,879 INFO L290 TraceCheckUtils]: 46: Hoare triple {16109#false} assume !false; {16109#false} is VALID [2022-04-08 09:27:02,879 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:27:02,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 09:27:02,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595331211] [2022-04-08 09:27:02,880 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595331211] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-08 09:27:02,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [383794723] [2022-04-08 09:27:02,880 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-04-08 09:27:02,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 09:27:02,880 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 09:27:02,881 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) [2022-04-08 09:27:02,882 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2022-04-08 09:27:04,886 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 19 check-sat command(s) [2022-04-08 09:27:04,887 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 09:27:04,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 78 conjunts are in the unsatisfiable core [2022-04-08 09:27:04,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:27:04,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 09:27:05,290 INFO L272 TraceCheckUtils]: 0: Hoare triple {16108#true} call ULTIMATE.init(); {16108#true} is VALID [2022-04-08 09:27:05,290 INFO L290 TraceCheckUtils]: 1: Hoare triple {16108#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(13, 2);call #Ultimate.allocInit(12, 3); {16108#true} is VALID [2022-04-08 09:27:05,290 INFO L290 TraceCheckUtils]: 2: Hoare triple {16108#true} assume true; {16108#true} is VALID [2022-04-08 09:27:05,291 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {16108#true} {16108#true} #34#return; {16108#true} is VALID [2022-04-08 09:27:05,291 INFO L272 TraceCheckUtils]: 4: Hoare triple {16108#true} call #t~ret4 := main(); {16108#true} is VALID [2022-04-08 09:27:05,291 INFO L290 TraceCheckUtils]: 5: Hoare triple {16108#true} ~x~0 := 268435441; {16113#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:27:05,292 INFO L290 TraceCheckUtils]: 6: Hoare triple {16113#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16114#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:27:05,292 INFO L290 TraceCheckUtils]: 7: Hoare triple {16114#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16115#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:27:05,293 INFO L290 TraceCheckUtils]: 8: Hoare triple {16115#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16116#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:27:05,293 INFO L290 TraceCheckUtils]: 9: Hoare triple {16116#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16117#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:27:05,294 INFO L290 TraceCheckUtils]: 10: Hoare triple {16117#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16118#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:27:05,294 INFO L290 TraceCheckUtils]: 11: Hoare triple {16118#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16119#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:27:05,295 INFO L290 TraceCheckUtils]: 12: Hoare triple {16119#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16120#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:27:05,295 INFO L290 TraceCheckUtils]: 13: Hoare triple {16120#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16121#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:27:05,296 INFO L290 TraceCheckUtils]: 14: Hoare triple {16121#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16122#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:27:05,296 INFO L290 TraceCheckUtils]: 15: Hoare triple {16122#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16123#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:27:05,297 INFO L290 TraceCheckUtils]: 16: Hoare triple {16123#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16124#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:27:05,297 INFO L290 TraceCheckUtils]: 17: Hoare triple {16124#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16125#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:27:05,298 INFO L290 TraceCheckUtils]: 18: Hoare triple {16125#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16126#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:27:05,298 INFO L290 TraceCheckUtils]: 19: Hoare triple {16126#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16127#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} is VALID [2022-04-08 09:27:05,299 INFO L290 TraceCheckUtils]: 20: Hoare triple {16127#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16128#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} is VALID [2022-04-08 09:27:05,299 INFO L290 TraceCheckUtils]: 21: Hoare triple {16128#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16129#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} is VALID [2022-04-08 09:27:05,300 INFO L290 TraceCheckUtils]: 22: Hoare triple {16129#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16130#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} is VALID [2022-04-08 09:27:05,300 INFO L290 TraceCheckUtils]: 23: Hoare triple {16130#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16131#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} is VALID [2022-04-08 09:27:05,301 INFO L290 TraceCheckUtils]: 24: Hoare triple {16131#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16132#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} is VALID [2022-04-08 09:27:05,301 INFO L290 TraceCheckUtils]: 25: Hoare triple {16132#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16133#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} is VALID [2022-04-08 09:27:05,302 INFO L290 TraceCheckUtils]: 26: Hoare triple {16133#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16134#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} is VALID [2022-04-08 09:27:05,302 INFO L290 TraceCheckUtils]: 27: Hoare triple {16134#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16135#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} is VALID [2022-04-08 09:27:05,303 INFO L290 TraceCheckUtils]: 28: Hoare triple {16135#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16136#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} is VALID [2022-04-08 09:27:05,304 INFO L290 TraceCheckUtils]: 29: Hoare triple {16136#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16137#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} is VALID [2022-04-08 09:27:05,304 INFO L290 TraceCheckUtils]: 30: Hoare triple {16137#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16138#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} is VALID [2022-04-08 09:27:05,305 INFO L290 TraceCheckUtils]: 31: Hoare triple {16138#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16139#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} is VALID [2022-04-08 09:27:05,305 INFO L290 TraceCheckUtils]: 32: Hoare triple {16139#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16140#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} is VALID [2022-04-08 09:27:05,306 INFO L290 TraceCheckUtils]: 33: Hoare triple {16140#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16141#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} is VALID [2022-04-08 09:27:05,306 INFO L290 TraceCheckUtils]: 34: Hoare triple {16141#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16142#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} is VALID [2022-04-08 09:27:05,307 INFO L290 TraceCheckUtils]: 35: Hoare triple {16142#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16143#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} is VALID [2022-04-08 09:27:05,307 INFO L290 TraceCheckUtils]: 36: Hoare triple {16143#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16144#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} is VALID [2022-04-08 09:27:05,308 INFO L290 TraceCheckUtils]: 37: Hoare triple {16144#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16145#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} is VALID [2022-04-08 09:27:05,308 INFO L290 TraceCheckUtils]: 38: Hoare triple {16145#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16146#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} is VALID [2022-04-08 09:27:05,309 INFO L290 TraceCheckUtils]: 39: Hoare triple {16146#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16147#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} is VALID [2022-04-08 09:27:05,309 INFO L290 TraceCheckUtils]: 40: Hoare triple {16147#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16148#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} is VALID [2022-04-08 09:27:05,310 INFO L290 TraceCheckUtils]: 41: Hoare triple {16148#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16277#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} is VALID [2022-04-08 09:27:05,310 INFO L290 TraceCheckUtils]: 42: Hoare triple {16277#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} assume !(~x~0 % 4294967296 > 1); {16109#false} is VALID [2022-04-08 09:27:05,310 INFO L272 TraceCheckUtils]: 43: Hoare triple {16109#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)); {16109#false} is VALID [2022-04-08 09:27:05,310 INFO L290 TraceCheckUtils]: 44: Hoare triple {16109#false} ~cond := #in~cond; {16109#false} is VALID [2022-04-08 09:27:05,311 INFO L290 TraceCheckUtils]: 45: Hoare triple {16109#false} assume 0 == ~cond; {16109#false} is VALID [2022-04-08 09:27:05,311 INFO L290 TraceCheckUtils]: 46: Hoare triple {16109#false} assume !false; {16109#false} is VALID [2022-04-08 09:27:05,311 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:27:05,311 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 09:27:08,324 INFO L290 TraceCheckUtils]: 46: Hoare triple {16109#false} assume !false; {16109#false} is VALID [2022-04-08 09:27:08,324 INFO L290 TraceCheckUtils]: 45: Hoare triple {16296#(not (<= __VERIFIER_assert_~cond 0))} assume 0 == ~cond; {16109#false} is VALID [2022-04-08 09:27:08,324 INFO L290 TraceCheckUtils]: 44: Hoare triple {16300#(< 0 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {16296#(not (<= __VERIFIER_assert_~cond 0))} is VALID [2022-04-08 09:27:08,325 INFO L272 TraceCheckUtils]: 43: Hoare triple {16304#(= (mod main_~x~0 2) 0)} 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)); {16300#(< 0 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-08 09:27:08,325 INFO L290 TraceCheckUtils]: 42: Hoare triple {16308#(or (< 1 (mod main_~x~0 4294967296)) (= (mod main_~x~0 2) 0))} assume !(~x~0 % 4294967296 > 1); {16304#(= (mod main_~x~0 2) 0)} is VALID [2022-04-08 09:27:08,326 INFO L290 TraceCheckUtils]: 41: Hoare triple {16312#(or (< 1 (mod (+ main_~x~0 4294967294) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16308#(or (< 1 (mod main_~x~0 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:08,328 INFO L290 TraceCheckUtils]: 40: Hoare triple {16316#(or (< 1 (mod (+ 4294967292 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16312#(or (< 1 (mod (+ main_~x~0 4294967294) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:08,329 INFO L290 TraceCheckUtils]: 39: Hoare triple {16320#(or (< 1 (mod (+ 4294967290 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16316#(or (< 1 (mod (+ 4294967292 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:08,332 INFO L290 TraceCheckUtils]: 38: Hoare triple {16324#(or (< 1 (mod (+ 4294967288 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16320#(or (< 1 (mod (+ 4294967290 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:08,333 INFO L290 TraceCheckUtils]: 37: Hoare triple {16328#(or (< 1 (mod (+ main_~x~0 4294967286) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16324#(or (< 1 (mod (+ 4294967288 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:08,336 INFO L290 TraceCheckUtils]: 36: Hoare triple {16332#(or (< 1 (mod (+ main_~x~0 4294967284) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16328#(or (< 1 (mod (+ main_~x~0 4294967286) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:08,337 INFO L290 TraceCheckUtils]: 35: Hoare triple {16336#(or (< 1 (mod (+ 4294967282 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16332#(or (< 1 (mod (+ main_~x~0 4294967284) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:08,338 INFO L290 TraceCheckUtils]: 34: Hoare triple {16340#(or (< 1 (mod (+ main_~x~0 4294967280) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16336#(or (< 1 (mod (+ 4294967282 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:08,338 INFO L290 TraceCheckUtils]: 33: Hoare triple {16344#(or (< 1 (mod (+ main_~x~0 4294967278) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16340#(or (< 1 (mod (+ main_~x~0 4294967280) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:08,340 INFO L290 TraceCheckUtils]: 32: Hoare triple {16348#(or (< 1 (mod (+ 4294967276 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16344#(or (< 1 (mod (+ main_~x~0 4294967278) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:08,342 INFO L290 TraceCheckUtils]: 31: Hoare triple {16352#(or (< 1 (mod (+ 4294967274 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16348#(or (< 1 (mod (+ 4294967276 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:08,342 INFO L290 TraceCheckUtils]: 30: Hoare triple {16356#(or (< 1 (mod (+ 4294967272 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16352#(or (< 1 (mod (+ 4294967274 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:08,343 INFO L290 TraceCheckUtils]: 29: Hoare triple {16360#(or (< 1 (mod (+ main_~x~0 4294967270) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16356#(or (< 1 (mod (+ 4294967272 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:08,344 INFO L290 TraceCheckUtils]: 28: Hoare triple {16364#(or (< 1 (mod (+ main_~x~0 4294967268) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16360#(or (< 1 (mod (+ main_~x~0 4294967270) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:08,345 INFO L290 TraceCheckUtils]: 27: Hoare triple {16368#(or (< 1 (mod (+ main_~x~0 4294967266) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16364#(or (< 1 (mod (+ main_~x~0 4294967268) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:08,346 INFO L290 TraceCheckUtils]: 26: Hoare triple {16372#(or (< 1 (mod (+ main_~x~0 4294967264) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16368#(or (< 1 (mod (+ main_~x~0 4294967266) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:08,346 INFO L290 TraceCheckUtils]: 25: Hoare triple {16376#(or (< 1 (mod (+ main_~x~0 4294967262) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16372#(or (< 1 (mod (+ main_~x~0 4294967264) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:08,350 INFO L290 TraceCheckUtils]: 24: Hoare triple {16380#(or (< 1 (mod (+ 4294967260 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16376#(or (< 1 (mod (+ main_~x~0 4294967262) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:08,351 INFO L290 TraceCheckUtils]: 23: Hoare triple {16384#(or (< 1 (mod (+ main_~x~0 4294967258) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16380#(or (< 1 (mod (+ 4294967260 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:08,351 INFO L290 TraceCheckUtils]: 22: Hoare triple {16388#(or (< 1 (mod (+ main_~x~0 4294967256) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16384#(or (< 1 (mod (+ main_~x~0 4294967258) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:08,352 INFO L290 TraceCheckUtils]: 21: Hoare triple {16392#(or (< 1 (mod (+ 4294967254 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16388#(or (< 1 (mod (+ main_~x~0 4294967256) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:08,355 INFO L290 TraceCheckUtils]: 20: Hoare triple {16396#(or (< 1 (mod (+ main_~x~0 4294967252) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16392#(or (< 1 (mod (+ 4294967254 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:08,356 INFO L290 TraceCheckUtils]: 19: Hoare triple {16400#(or (< 1 (mod (+ 4294967250 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16396#(or (< 1 (mod (+ main_~x~0 4294967252) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:08,357 INFO L290 TraceCheckUtils]: 18: Hoare triple {16404#(or (< 1 (mod (+ main_~x~0 4294967248) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16400#(or (< 1 (mod (+ 4294967250 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:08,358 INFO L290 TraceCheckUtils]: 17: Hoare triple {16408#(or (< 1 (mod (+ 4294967246 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16404#(or (< 1 (mod (+ main_~x~0 4294967248) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:08,359 INFO L290 TraceCheckUtils]: 16: Hoare triple {16412#(or (< 1 (mod (+ main_~x~0 4294967244) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16408#(or (< 1 (mod (+ 4294967246 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:08,360 INFO L290 TraceCheckUtils]: 15: Hoare triple {16416#(or (< 1 (mod (+ main_~x~0 4294967242) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16412#(or (< 1 (mod (+ main_~x~0 4294967244) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:08,368 INFO L290 TraceCheckUtils]: 14: Hoare triple {16420#(or (< 1 (mod (+ 4294967240 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16416#(or (< 1 (mod (+ main_~x~0 4294967242) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:08,370 INFO L290 TraceCheckUtils]: 13: Hoare triple {16424#(or (< 1 (mod (+ 4294967238 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16420#(or (< 1 (mod (+ 4294967240 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:08,371 INFO L290 TraceCheckUtils]: 12: Hoare triple {16428#(or (< 1 (mod (+ main_~x~0 4294967236) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16424#(or (< 1 (mod (+ 4294967238 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:08,371 INFO L290 TraceCheckUtils]: 11: Hoare triple {16432#(or (< 1 (mod (+ main_~x~0 4294967234) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16428#(or (< 1 (mod (+ main_~x~0 4294967236) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:08,372 INFO L290 TraceCheckUtils]: 10: Hoare triple {16436#(or (< 1 (mod (+ main_~x~0 4294967232) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16432#(or (< 1 (mod (+ main_~x~0 4294967234) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:08,373 INFO L290 TraceCheckUtils]: 9: Hoare triple {16440#(or (< 1 (mod (+ 4294967230 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16436#(or (< 1 (mod (+ main_~x~0 4294967232) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:08,374 INFO L290 TraceCheckUtils]: 8: Hoare triple {16444#(or (< 1 (mod (+ main_~x~0 4294967228) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16440#(or (< 1 (mod (+ 4294967230 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:08,374 INFO L290 TraceCheckUtils]: 7: Hoare triple {16448#(or (< 1 (mod (+ main_~x~0 4294967226) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16444#(or (< 1 (mod (+ main_~x~0 4294967228) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:08,376 INFO L290 TraceCheckUtils]: 6: Hoare triple {16452#(or (< 1 (mod (+ 4294967224 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16448#(or (< 1 (mod (+ main_~x~0 4294967226) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:08,376 INFO L290 TraceCheckUtils]: 5: Hoare triple {16108#true} ~x~0 := 268435441; {16452#(or (< 1 (mod (+ 4294967224 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:08,376 INFO L272 TraceCheckUtils]: 4: Hoare triple {16108#true} call #t~ret4 := main(); {16108#true} is VALID [2022-04-08 09:27:08,376 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {16108#true} {16108#true} #34#return; {16108#true} is VALID [2022-04-08 09:27:08,376 INFO L290 TraceCheckUtils]: 2: Hoare triple {16108#true} assume true; {16108#true} is VALID [2022-04-08 09:27:08,376 INFO L290 TraceCheckUtils]: 1: Hoare triple {16108#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(13, 2);call #Ultimate.allocInit(12, 3); {16108#true} is VALID [2022-04-08 09:27:08,377 INFO L272 TraceCheckUtils]: 0: Hoare triple {16108#true} call ULTIMATE.init(); {16108#true} is VALID [2022-04-08 09:27:08,377 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:27:08,377 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [383794723] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-08 09:27:08,377 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-08 09:27:08,377 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 39, 42] total 81 [2022-04-08 09:27:08,377 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 09:27:08,378 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [794663250] [2022-04-08 09:27:08,378 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [794663250] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 09:27:08,378 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 09:27:08,378 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [40] imperfect sequences [] total 40 [2022-04-08 09:27:08,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015628342] [2022-04-08 09:27:08,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 09:27:08,378 INFO L78 Accepts]: Start accepts. Automaton has has 40 states, 40 states have (on average 1.075) internal successors, (43), 39 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 [2022-04-08 09:27:08,378 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 09:27:08,379 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 40 states, 40 states have (on average 1.075) internal successors, (43), 39 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) [2022-04-08 09:27:08,405 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 47 edges. 47 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:27:08,405 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2022-04-08 09:27:08,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 09:27:08,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2022-04-08 09:27:08,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1639, Invalid=4841, Unknown=0, NotChecked=0, Total=6480 [2022-04-08 09:27:08,406 INFO L87 Difference]: Start difference. First operand 48 states and 48 transitions. Second operand has 40 states, 40 states have (on average 1.075) internal successors, (43), 39 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) [2022-04-08 09:27:11,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:27:11,277 INFO L93 Difference]: Finished difference Result 54 states and 54 transitions. [2022-04-08 09:27:11,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-04-08 09:27:11,277 INFO L78 Accepts]: Start accepts. Automaton has has 40 states, 40 states have (on average 1.075) internal successors, (43), 39 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 [2022-04-08 09:27:11,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 09:27:11,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 40 states have (on average 1.075) internal successors, (43), 39 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) [2022-04-08 09:27:11,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 54 transitions. [2022-04-08 09:27:11,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 40 states have (on average 1.075) internal successors, (43), 39 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) [2022-04-08 09:27:11,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 54 transitions. [2022-04-08 09:27:11,280 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 40 states and 54 transitions. [2022-04-08 09:27:11,317 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 54 edges. 54 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:27:11,317 INFO L225 Difference]: With dead ends: 54 [2022-04-08 09:27:11,317 INFO L226 Difference]: Without dead ends: 49 [2022-04-08 09:27:11,318 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 55 SyntacticMatches, 1 SemanticMatches, 116 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 749 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=3228, Invalid=10578, Unknown=0, NotChecked=0, Total=13806 [2022-04-08 09:27:11,319 INFO L913 BasicCegarLoop]: 11 mSDtfsCounter, 6 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 1394 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 1469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 1394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-04-08 09:27:11,319 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 73 Invalid, 1469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 1394 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-04-08 09:27:11,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2022-04-08 09:27:11,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2022-04-08 09:27:11,368 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 09:27:11,368 INFO L82 GeneralOperation]: Start isEquivalent. First operand 49 states. Second operand has 49 states, 44 states have (on average 1.0227272727272727) internal successors, (45), 44 states have internal predecessors, (45), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:27:11,368 INFO L74 IsIncluded]: Start isIncluded. First operand 49 states. Second operand has 49 states, 44 states have (on average 1.0227272727272727) internal successors, (45), 44 states have internal predecessors, (45), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:27:11,368 INFO L87 Difference]: Start difference. First operand 49 states. Second operand has 49 states, 44 states have (on average 1.0227272727272727) internal successors, (45), 44 states have internal predecessors, (45), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:27:11,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:27:11,369 INFO L93 Difference]: Finished difference Result 49 states and 49 transitions. [2022-04-08 09:27:11,369 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 49 transitions. [2022-04-08 09:27:11,369 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:27:11,370 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:27:11,370 INFO L74 IsIncluded]: Start isIncluded. First operand has 49 states, 44 states have (on average 1.0227272727272727) internal successors, (45), 44 states have internal predecessors, (45), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 49 states. [2022-04-08 09:27:11,370 INFO L87 Difference]: Start difference. First operand has 49 states, 44 states have (on average 1.0227272727272727) internal successors, (45), 44 states have internal predecessors, (45), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 49 states. [2022-04-08 09:27:11,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:27:11,371 INFO L93 Difference]: Finished difference Result 49 states and 49 transitions. [2022-04-08 09:27:11,371 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 49 transitions. [2022-04-08 09:27:11,371 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:27:11,371 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:27:11,371 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 09:27:11,371 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 09:27:11,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 44 states have (on average 1.0227272727272727) internal successors, (45), 44 states have internal predecessors, (45), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:27:11,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 49 transitions. [2022-04-08 09:27:11,373 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 49 transitions. Word has length 47 [2022-04-08 09:27:11,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 09:27:11,373 INFO L478 AbstractCegarLoop]: Abstraction has 49 states and 49 transitions. [2022-04-08 09:27:11,373 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 1.075) internal successors, (43), 39 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) [2022-04-08 09:27:11,374 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 49 states and 49 transitions. [2022-04-08 09:27:11,427 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 49 edges. 49 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:27:11,428 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 49 transitions. [2022-04-08 09:27:11,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-04-08 09:27:11,428 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 09:27:11,428 INFO L499 BasicCegarLoop]: trace histogram [37, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 09:27:11,436 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2022-04-08 09:27:11,629 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37,37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 09:27:11,629 INFO L403 AbstractCegarLoop]: === Iteration 39 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 09:27:11,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 09:27:11,629 INFO L85 PathProgramCache]: Analyzing trace with hash -1697755146, now seen corresponding path program 73 times [2022-04-08 09:27:11,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 09:27:11,630 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [152744805] [2022-04-08 09:27:11,632 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-08 09:27:11,632 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-08 09:27:11,633 INFO L85 PathProgramCache]: Analyzing trace with hash -1697755146, now seen corresponding path program 74 times [2022-04-08 09:27:11,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 09:27:11,633 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752771624] [2022-04-08 09:27:11,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 09:27:11,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 09:27:11,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:27:12,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-08 09:27:12,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:27:12,515 INFO L290 TraceCheckUtils]: 0: Hoare triple {16894#(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(13, 2);call #Ultimate.allocInit(12, 3); {16851#true} is VALID [2022-04-08 09:27:12,516 INFO L290 TraceCheckUtils]: 1: Hoare triple {16851#true} assume true; {16851#true} is VALID [2022-04-08 09:27:12,516 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {16851#true} {16851#true} #34#return; {16851#true} is VALID [2022-04-08 09:27:12,516 INFO L272 TraceCheckUtils]: 0: Hoare triple {16851#true} call ULTIMATE.init(); {16894#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-08 09:27:12,516 INFO L290 TraceCheckUtils]: 1: Hoare triple {16894#(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(13, 2);call #Ultimate.allocInit(12, 3); {16851#true} is VALID [2022-04-08 09:27:12,516 INFO L290 TraceCheckUtils]: 2: Hoare triple {16851#true} assume true; {16851#true} is VALID [2022-04-08 09:27:12,517 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {16851#true} {16851#true} #34#return; {16851#true} is VALID [2022-04-08 09:27:12,517 INFO L272 TraceCheckUtils]: 4: Hoare triple {16851#true} call #t~ret4 := main(); {16851#true} is VALID [2022-04-08 09:27:12,517 INFO L290 TraceCheckUtils]: 5: Hoare triple {16851#true} ~x~0 := 268435441; {16856#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:27:12,518 INFO L290 TraceCheckUtils]: 6: Hoare triple {16856#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16857#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:27:12,518 INFO L290 TraceCheckUtils]: 7: Hoare triple {16857#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16858#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:27:12,519 INFO L290 TraceCheckUtils]: 8: Hoare triple {16858#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16859#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:27:12,519 INFO L290 TraceCheckUtils]: 9: Hoare triple {16859#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16860#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:27:12,520 INFO L290 TraceCheckUtils]: 10: Hoare triple {16860#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16861#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:27:12,520 INFO L290 TraceCheckUtils]: 11: Hoare triple {16861#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16862#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:27:12,521 INFO L290 TraceCheckUtils]: 12: Hoare triple {16862#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16863#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:27:12,521 INFO L290 TraceCheckUtils]: 13: Hoare triple {16863#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16864#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:27:12,522 INFO L290 TraceCheckUtils]: 14: Hoare triple {16864#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16865#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:27:12,522 INFO L290 TraceCheckUtils]: 15: Hoare triple {16865#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16866#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:27:12,523 INFO L290 TraceCheckUtils]: 16: Hoare triple {16866#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16867#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:27:12,523 INFO L290 TraceCheckUtils]: 17: Hoare triple {16867#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16868#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:27:12,524 INFO L290 TraceCheckUtils]: 18: Hoare triple {16868#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16869#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:27:12,524 INFO L290 TraceCheckUtils]: 19: Hoare triple {16869#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16870#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} is VALID [2022-04-08 09:27:12,525 INFO L290 TraceCheckUtils]: 20: Hoare triple {16870#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16871#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} is VALID [2022-04-08 09:27:12,525 INFO L290 TraceCheckUtils]: 21: Hoare triple {16871#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16872#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} is VALID [2022-04-08 09:27:12,526 INFO L290 TraceCheckUtils]: 22: Hoare triple {16872#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16873#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} is VALID [2022-04-08 09:27:12,526 INFO L290 TraceCheckUtils]: 23: Hoare triple {16873#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16874#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} is VALID [2022-04-08 09:27:12,527 INFO L290 TraceCheckUtils]: 24: Hoare triple {16874#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16875#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} is VALID [2022-04-08 09:27:12,527 INFO L290 TraceCheckUtils]: 25: Hoare triple {16875#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16876#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} is VALID [2022-04-08 09:27:12,528 INFO L290 TraceCheckUtils]: 26: Hoare triple {16876#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16877#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} is VALID [2022-04-08 09:27:12,528 INFO L290 TraceCheckUtils]: 27: Hoare triple {16877#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16878#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} is VALID [2022-04-08 09:27:12,529 INFO L290 TraceCheckUtils]: 28: Hoare triple {16878#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16879#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} is VALID [2022-04-08 09:27:12,529 INFO L290 TraceCheckUtils]: 29: Hoare triple {16879#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16880#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} is VALID [2022-04-08 09:27:12,530 INFO L290 TraceCheckUtils]: 30: Hoare triple {16880#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16881#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} is VALID [2022-04-08 09:27:12,530 INFO L290 TraceCheckUtils]: 31: Hoare triple {16881#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16882#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} is VALID [2022-04-08 09:27:12,531 INFO L290 TraceCheckUtils]: 32: Hoare triple {16882#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16883#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} is VALID [2022-04-08 09:27:12,531 INFO L290 TraceCheckUtils]: 33: Hoare triple {16883#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16884#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} is VALID [2022-04-08 09:27:12,532 INFO L290 TraceCheckUtils]: 34: Hoare triple {16884#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16885#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} is VALID [2022-04-08 09:27:12,532 INFO L290 TraceCheckUtils]: 35: Hoare triple {16885#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16886#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} is VALID [2022-04-08 09:27:12,533 INFO L290 TraceCheckUtils]: 36: Hoare triple {16886#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16887#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} is VALID [2022-04-08 09:27:12,533 INFO L290 TraceCheckUtils]: 37: Hoare triple {16887#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16888#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} is VALID [2022-04-08 09:27:12,534 INFO L290 TraceCheckUtils]: 38: Hoare triple {16888#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16889#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} is VALID [2022-04-08 09:27:12,534 INFO L290 TraceCheckUtils]: 39: Hoare triple {16889#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16890#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} is VALID [2022-04-08 09:27:12,535 INFO L290 TraceCheckUtils]: 40: Hoare triple {16890#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16891#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} is VALID [2022-04-08 09:27:12,535 INFO L290 TraceCheckUtils]: 41: Hoare triple {16891#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16892#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} is VALID [2022-04-08 09:27:12,536 INFO L290 TraceCheckUtils]: 42: Hoare triple {16892#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16893#(and (<= (div main_~x~0 4294967296) 0) (<= 268435367 main_~x~0))} is VALID [2022-04-08 09:27:12,536 INFO L290 TraceCheckUtils]: 43: Hoare triple {16893#(and (<= (div main_~x~0 4294967296) 0) (<= 268435367 main_~x~0))} assume !(~x~0 % 4294967296 > 1); {16852#false} is VALID [2022-04-08 09:27:12,537 INFO L272 TraceCheckUtils]: 44: Hoare triple {16852#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)); {16852#false} is VALID [2022-04-08 09:27:12,537 INFO L290 TraceCheckUtils]: 45: Hoare triple {16852#false} ~cond := #in~cond; {16852#false} is VALID [2022-04-08 09:27:12,537 INFO L290 TraceCheckUtils]: 46: Hoare triple {16852#false} assume 0 == ~cond; {16852#false} is VALID [2022-04-08 09:27:12,537 INFO L290 TraceCheckUtils]: 47: Hoare triple {16852#false} assume !false; {16852#false} is VALID [2022-04-08 09:27:12,537 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:27:12,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 09:27:12,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752771624] [2022-04-08 09:27:12,538 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [752771624] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-08 09:27:12,538 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1868694616] [2022-04-08 09:27:12,538 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-08 09:27:12,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 09:27:12,538 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 09:27:12,539 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) [2022-04-08 09:27:12,540 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2022-04-08 09:27:12,584 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-08 09:27:12,584 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 09:27:12,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 80 conjunts are in the unsatisfiable core [2022-04-08 09:27:12,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:27:12,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 09:27:13,023 INFO L272 TraceCheckUtils]: 0: Hoare triple {16851#true} call ULTIMATE.init(); {16851#true} is VALID [2022-04-08 09:27:13,023 INFO L290 TraceCheckUtils]: 1: Hoare triple {16851#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(13, 2);call #Ultimate.allocInit(12, 3); {16851#true} is VALID [2022-04-08 09:27:13,023 INFO L290 TraceCheckUtils]: 2: Hoare triple {16851#true} assume true; {16851#true} is VALID [2022-04-08 09:27:13,023 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {16851#true} {16851#true} #34#return; {16851#true} is VALID [2022-04-08 09:27:13,023 INFO L272 TraceCheckUtils]: 4: Hoare triple {16851#true} call #t~ret4 := main(); {16851#true} is VALID [2022-04-08 09:27:13,024 INFO L290 TraceCheckUtils]: 5: Hoare triple {16851#true} ~x~0 := 268435441; {16856#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:27:13,024 INFO L290 TraceCheckUtils]: 6: Hoare triple {16856#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16857#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:27:13,025 INFO L290 TraceCheckUtils]: 7: Hoare triple {16857#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16858#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:27:13,025 INFO L290 TraceCheckUtils]: 8: Hoare triple {16858#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16859#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:27:13,026 INFO L290 TraceCheckUtils]: 9: Hoare triple {16859#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16860#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:27:13,026 INFO L290 TraceCheckUtils]: 10: Hoare triple {16860#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16861#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:27:13,027 INFO L290 TraceCheckUtils]: 11: Hoare triple {16861#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16862#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:27:13,027 INFO L290 TraceCheckUtils]: 12: Hoare triple {16862#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16863#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:27:13,028 INFO L290 TraceCheckUtils]: 13: Hoare triple {16863#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16864#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:27:13,028 INFO L290 TraceCheckUtils]: 14: Hoare triple {16864#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16865#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:27:13,029 INFO L290 TraceCheckUtils]: 15: Hoare triple {16865#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16866#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:27:13,029 INFO L290 TraceCheckUtils]: 16: Hoare triple {16866#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16867#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:27:13,030 INFO L290 TraceCheckUtils]: 17: Hoare triple {16867#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16868#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:27:13,030 INFO L290 TraceCheckUtils]: 18: Hoare triple {16868#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16869#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:27:13,031 INFO L290 TraceCheckUtils]: 19: Hoare triple {16869#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16870#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} is VALID [2022-04-08 09:27:13,031 INFO L290 TraceCheckUtils]: 20: Hoare triple {16870#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16871#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} is VALID [2022-04-08 09:27:13,032 INFO L290 TraceCheckUtils]: 21: Hoare triple {16871#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16872#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} is VALID [2022-04-08 09:27:13,033 INFO L290 TraceCheckUtils]: 22: Hoare triple {16872#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16873#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} is VALID [2022-04-08 09:27:13,033 INFO L290 TraceCheckUtils]: 23: Hoare triple {16873#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16874#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} is VALID [2022-04-08 09:27:13,034 INFO L290 TraceCheckUtils]: 24: Hoare triple {16874#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16875#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} is VALID [2022-04-08 09:27:13,034 INFO L290 TraceCheckUtils]: 25: Hoare triple {16875#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16876#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} is VALID [2022-04-08 09:27:13,035 INFO L290 TraceCheckUtils]: 26: Hoare triple {16876#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16877#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} is VALID [2022-04-08 09:27:13,035 INFO L290 TraceCheckUtils]: 27: Hoare triple {16877#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16878#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} is VALID [2022-04-08 09:27:13,036 INFO L290 TraceCheckUtils]: 28: Hoare triple {16878#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16879#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} is VALID [2022-04-08 09:27:13,037 INFO L290 TraceCheckUtils]: 29: Hoare triple {16879#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16880#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} is VALID [2022-04-08 09:27:13,037 INFO L290 TraceCheckUtils]: 30: Hoare triple {16880#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16881#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} is VALID [2022-04-08 09:27:13,038 INFO L290 TraceCheckUtils]: 31: Hoare triple {16881#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16882#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} is VALID [2022-04-08 09:27:13,038 INFO L290 TraceCheckUtils]: 32: Hoare triple {16882#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16883#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} is VALID [2022-04-08 09:27:13,039 INFO L290 TraceCheckUtils]: 33: Hoare triple {16883#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16884#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} is VALID [2022-04-08 09:27:13,039 INFO L290 TraceCheckUtils]: 34: Hoare triple {16884#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16885#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} is VALID [2022-04-08 09:27:13,040 INFO L290 TraceCheckUtils]: 35: Hoare triple {16885#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16886#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} is VALID [2022-04-08 09:27:13,040 INFO L290 TraceCheckUtils]: 36: Hoare triple {16886#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16887#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} is VALID [2022-04-08 09:27:13,041 INFO L290 TraceCheckUtils]: 37: Hoare triple {16887#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16888#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} is VALID [2022-04-08 09:27:13,041 INFO L290 TraceCheckUtils]: 38: Hoare triple {16888#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16889#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} is VALID [2022-04-08 09:27:13,042 INFO L290 TraceCheckUtils]: 39: Hoare triple {16889#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16890#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} is VALID [2022-04-08 09:27:13,042 INFO L290 TraceCheckUtils]: 40: Hoare triple {16890#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16891#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} is VALID [2022-04-08 09:27:13,043 INFO L290 TraceCheckUtils]: 41: Hoare triple {16891#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {16892#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} is VALID [2022-04-08 09:27:13,043 INFO L290 TraceCheckUtils]: 42: Hoare triple {16892#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17024#(and (<= main_~x~0 268435367) (<= 268435367 main_~x~0))} is VALID [2022-04-08 09:27:13,044 INFO L290 TraceCheckUtils]: 43: Hoare triple {17024#(and (<= main_~x~0 268435367) (<= 268435367 main_~x~0))} assume !(~x~0 % 4294967296 > 1); {16852#false} is VALID [2022-04-08 09:27:13,044 INFO L272 TraceCheckUtils]: 44: Hoare triple {16852#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)); {16852#false} is VALID [2022-04-08 09:27:13,044 INFO L290 TraceCheckUtils]: 45: Hoare triple {16852#false} ~cond := #in~cond; {16852#false} is VALID [2022-04-08 09:27:13,044 INFO L290 TraceCheckUtils]: 46: Hoare triple {16852#false} assume 0 == ~cond; {16852#false} is VALID [2022-04-08 09:27:13,044 INFO L290 TraceCheckUtils]: 47: Hoare triple {16852#false} assume !false; {16852#false} is VALID [2022-04-08 09:27:13,044 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:27:13,045 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 09:27:16,127 INFO L290 TraceCheckUtils]: 47: Hoare triple {16852#false} assume !false; {16852#false} is VALID [2022-04-08 09:27:16,128 INFO L290 TraceCheckUtils]: 46: Hoare triple {17043#(not (<= __VERIFIER_assert_~cond 0))} assume 0 == ~cond; {16852#false} is VALID [2022-04-08 09:27:16,128 INFO L290 TraceCheckUtils]: 45: Hoare triple {17047#(< 0 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {17043#(not (<= __VERIFIER_assert_~cond 0))} is VALID [2022-04-08 09:27:16,129 INFO L272 TraceCheckUtils]: 44: Hoare triple {17051#(= (mod main_~x~0 2) 0)} 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)); {17047#(< 0 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-08 09:27:16,129 INFO L290 TraceCheckUtils]: 43: Hoare triple {17055#(or (< 1 (mod main_~x~0 4294967296)) (= (mod main_~x~0 2) 0))} assume !(~x~0 % 4294967296 > 1); {17051#(= (mod main_~x~0 2) 0)} is VALID [2022-04-08 09:27:16,130 INFO L290 TraceCheckUtils]: 42: Hoare triple {17059#(or (< 1 (mod (+ main_~x~0 4294967294) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17055#(or (< 1 (mod main_~x~0 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:16,131 INFO L290 TraceCheckUtils]: 41: Hoare triple {17063#(or (< 1 (mod (+ 4294967292 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17059#(or (< 1 (mod (+ main_~x~0 4294967294) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:16,132 INFO L290 TraceCheckUtils]: 40: Hoare triple {17067#(or (< 1 (mod (+ 4294967290 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17063#(or (< 1 (mod (+ 4294967292 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:16,133 INFO L290 TraceCheckUtils]: 39: Hoare triple {17071#(or (< 1 (mod (+ 4294967288 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17067#(or (< 1 (mod (+ 4294967290 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:16,136 INFO L290 TraceCheckUtils]: 38: Hoare triple {17075#(or (< 1 (mod (+ main_~x~0 4294967286) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17071#(or (< 1 (mod (+ 4294967288 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:16,136 INFO L290 TraceCheckUtils]: 37: Hoare triple {17079#(or (< 1 (mod (+ main_~x~0 4294967284) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17075#(or (< 1 (mod (+ main_~x~0 4294967286) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:16,137 INFO L290 TraceCheckUtils]: 36: Hoare triple {17083#(or (< 1 (mod (+ 4294967282 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17079#(or (< 1 (mod (+ main_~x~0 4294967284) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:16,138 INFO L290 TraceCheckUtils]: 35: Hoare triple {17087#(or (< 1 (mod (+ main_~x~0 4294967280) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17083#(or (< 1 (mod (+ 4294967282 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:16,139 INFO L290 TraceCheckUtils]: 34: Hoare triple {17091#(or (< 1 (mod (+ main_~x~0 4294967278) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17087#(or (< 1 (mod (+ main_~x~0 4294967280) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:16,140 INFO L290 TraceCheckUtils]: 33: Hoare triple {17095#(or (< 1 (mod (+ 4294967276 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17091#(or (< 1 (mod (+ main_~x~0 4294967278) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:16,141 INFO L290 TraceCheckUtils]: 32: Hoare triple {17099#(or (< 1 (mod (+ 4294967274 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17095#(or (< 1 (mod (+ 4294967276 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:16,142 INFO L290 TraceCheckUtils]: 31: Hoare triple {17103#(or (< 1 (mod (+ 4294967272 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17099#(or (< 1 (mod (+ 4294967274 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:16,143 INFO L290 TraceCheckUtils]: 30: Hoare triple {17107#(or (< 1 (mod (+ main_~x~0 4294967270) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17103#(or (< 1 (mod (+ 4294967272 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:16,143 INFO L290 TraceCheckUtils]: 29: Hoare triple {17111#(or (< 1 (mod (+ main_~x~0 4294967268) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17107#(or (< 1 (mod (+ main_~x~0 4294967270) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:16,145 INFO L290 TraceCheckUtils]: 28: Hoare triple {17115#(or (< 1 (mod (+ main_~x~0 4294967266) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17111#(or (< 1 (mod (+ main_~x~0 4294967268) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:16,146 INFO L290 TraceCheckUtils]: 27: Hoare triple {17119#(or (< 1 (mod (+ main_~x~0 4294967264) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17115#(or (< 1 (mod (+ main_~x~0 4294967266) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:16,147 INFO L290 TraceCheckUtils]: 26: Hoare triple {17123#(or (< 1 (mod (+ main_~x~0 4294967262) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17119#(or (< 1 (mod (+ main_~x~0 4294967264) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:16,148 INFO L290 TraceCheckUtils]: 25: Hoare triple {17127#(or (< 1 (mod (+ 4294967260 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17123#(or (< 1 (mod (+ main_~x~0 4294967262) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:16,149 INFO L290 TraceCheckUtils]: 24: Hoare triple {17131#(or (< 1 (mod (+ main_~x~0 4294967258) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17127#(or (< 1 (mod (+ 4294967260 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:16,150 INFO L290 TraceCheckUtils]: 23: Hoare triple {17135#(or (< 1 (mod (+ main_~x~0 4294967256) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17131#(or (< 1 (mod (+ main_~x~0 4294967258) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:16,152 INFO L290 TraceCheckUtils]: 22: Hoare triple {17139#(or (< 1 (mod (+ 4294967254 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17135#(or (< 1 (mod (+ main_~x~0 4294967256) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:16,153 INFO L290 TraceCheckUtils]: 21: Hoare triple {17143#(or (< 1 (mod (+ main_~x~0 4294967252) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17139#(or (< 1 (mod (+ 4294967254 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:16,154 INFO L290 TraceCheckUtils]: 20: Hoare triple {17147#(or (< 1 (mod (+ 4294967250 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17143#(or (< 1 (mod (+ main_~x~0 4294967252) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:16,155 INFO L290 TraceCheckUtils]: 19: Hoare triple {17151#(or (< 1 (mod (+ main_~x~0 4294967248) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17147#(or (< 1 (mod (+ 4294967250 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:16,155 INFO L290 TraceCheckUtils]: 18: Hoare triple {17155#(or (< 1 (mod (+ 4294967246 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17151#(or (< 1 (mod (+ main_~x~0 4294967248) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:16,157 INFO L290 TraceCheckUtils]: 17: Hoare triple {17159#(or (< 1 (mod (+ main_~x~0 4294967244) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17155#(or (< 1 (mod (+ 4294967246 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:16,158 INFO L290 TraceCheckUtils]: 16: Hoare triple {17163#(or (< 1 (mod (+ main_~x~0 4294967242) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17159#(or (< 1 (mod (+ main_~x~0 4294967244) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:16,159 INFO L290 TraceCheckUtils]: 15: Hoare triple {17167#(or (< 1 (mod (+ 4294967240 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17163#(or (< 1 (mod (+ main_~x~0 4294967242) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:16,160 INFO L290 TraceCheckUtils]: 14: Hoare triple {17171#(or (< 1 (mod (+ 4294967238 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17167#(or (< 1 (mod (+ 4294967240 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:16,160 INFO L290 TraceCheckUtils]: 13: Hoare triple {17175#(or (< 1 (mod (+ main_~x~0 4294967236) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17171#(or (< 1 (mod (+ 4294967238 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:16,161 INFO L290 TraceCheckUtils]: 12: Hoare triple {17179#(or (< 1 (mod (+ main_~x~0 4294967234) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17175#(or (< 1 (mod (+ main_~x~0 4294967236) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:16,162 INFO L290 TraceCheckUtils]: 11: Hoare triple {17183#(or (< 1 (mod (+ main_~x~0 4294967232) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17179#(or (< 1 (mod (+ main_~x~0 4294967234) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:16,162 INFO L290 TraceCheckUtils]: 10: Hoare triple {17187#(or (< 1 (mod (+ 4294967230 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17183#(or (< 1 (mod (+ main_~x~0 4294967232) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:16,163 INFO L290 TraceCheckUtils]: 9: Hoare triple {17191#(or (< 1 (mod (+ main_~x~0 4294967228) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17187#(or (< 1 (mod (+ 4294967230 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:16,164 INFO L290 TraceCheckUtils]: 8: Hoare triple {17195#(or (< 1 (mod (+ main_~x~0 4294967226) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17191#(or (< 1 (mod (+ main_~x~0 4294967228) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:16,165 INFO L290 TraceCheckUtils]: 7: Hoare triple {17199#(or (< 1 (mod (+ 4294967224 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17195#(or (< 1 (mod (+ main_~x~0 4294967226) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:16,165 INFO L290 TraceCheckUtils]: 6: Hoare triple {17203#(or (< 1 (mod (+ main_~x~0 4294967222) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17199#(or (< 1 (mod (+ 4294967224 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:16,166 INFO L290 TraceCheckUtils]: 5: Hoare triple {16851#true} ~x~0 := 268435441; {17203#(or (< 1 (mod (+ main_~x~0 4294967222) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:16,166 INFO L272 TraceCheckUtils]: 4: Hoare triple {16851#true} call #t~ret4 := main(); {16851#true} is VALID [2022-04-08 09:27:16,166 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {16851#true} {16851#true} #34#return; {16851#true} is VALID [2022-04-08 09:27:16,166 INFO L290 TraceCheckUtils]: 2: Hoare triple {16851#true} assume true; {16851#true} is VALID [2022-04-08 09:27:16,166 INFO L290 TraceCheckUtils]: 1: Hoare triple {16851#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(13, 2);call #Ultimate.allocInit(12, 3); {16851#true} is VALID [2022-04-08 09:27:16,166 INFO L272 TraceCheckUtils]: 0: Hoare triple {16851#true} call ULTIMATE.init(); {16851#true} is VALID [2022-04-08 09:27:16,167 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:27:16,167 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1868694616] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-08 09:27:16,167 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-08 09:27:16,167 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 40, 43] total 83 [2022-04-08 09:27:16,167 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 09:27:16,167 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [152744805] [2022-04-08 09:27:16,168 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [152744805] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 09:27:16,168 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 09:27:16,168 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [41] imperfect sequences [] total 41 [2022-04-08 09:27:16,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920777479] [2022-04-08 09:27:16,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 09:27:16,168 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 41 states have (on average 1.0731707317073171) internal successors, (44), 40 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 [2022-04-08 09:27:16,168 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 09:27:16,169 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 41 states, 41 states have (on average 1.0731707317073171) internal successors, (44), 40 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) [2022-04-08 09:27:16,195 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 48 edges. 48 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:27:16,195 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2022-04-08 09:27:16,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 09:27:16,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2022-04-08 09:27:16,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1721, Invalid=5085, Unknown=0, NotChecked=0, Total=6806 [2022-04-08 09:27:16,197 INFO L87 Difference]: Start difference. First operand 49 states and 49 transitions. Second operand has 41 states, 41 states have (on average 1.0731707317073171) internal successors, (44), 40 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) [2022-04-08 09:27:19,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:27:19,222 INFO L93 Difference]: Finished difference Result 55 states and 55 transitions. [2022-04-08 09:27:19,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-04-08 09:27:19,222 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 41 states have (on average 1.0731707317073171) internal successors, (44), 40 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 [2022-04-08 09:27:19,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 09:27:19,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 41 states have (on average 1.0731707317073171) internal successors, (44), 40 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) [2022-04-08 09:27:19,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 55 transitions. [2022-04-08 09:27:19,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 41 states have (on average 1.0731707317073171) internal successors, (44), 40 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) [2022-04-08 09:27:19,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 55 transitions. [2022-04-08 09:27:19,225 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 41 states and 55 transitions. [2022-04-08 09:27:19,272 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 55 edges. 55 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:27:19,273 INFO L225 Difference]: With dead ends: 55 [2022-04-08 09:27:19,273 INFO L226 Difference]: Without dead ends: 50 [2022-04-08 09:27:19,274 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 56 SyntacticMatches, 1 SemanticMatches, 119 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 788 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=3391, Invalid=11129, Unknown=0, NotChecked=0, Total=14520 [2022-04-08 09:27:19,274 INFO L913 BasicCegarLoop]: 11 mSDtfsCounter, 6 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 1508 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 1585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 1508 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-04-08 09:27:19,275 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 113 Invalid, 1585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 1508 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-04-08 09:27:19,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2022-04-08 09:27:19,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2022-04-08 09:27:19,335 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 09:27:19,335 INFO L82 GeneralOperation]: Start isEquivalent. First operand 50 states. Second operand has 50 states, 45 states have (on average 1.0222222222222221) internal successors, (46), 45 states have internal predecessors, (46), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:27:19,335 INFO L74 IsIncluded]: Start isIncluded. First operand 50 states. Second operand has 50 states, 45 states have (on average 1.0222222222222221) internal successors, (46), 45 states have internal predecessors, (46), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:27:19,335 INFO L87 Difference]: Start difference. First operand 50 states. Second operand has 50 states, 45 states have (on average 1.0222222222222221) internal successors, (46), 45 states have internal predecessors, (46), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:27:19,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:27:19,336 INFO L93 Difference]: Finished difference Result 50 states and 50 transitions. [2022-04-08 09:27:19,336 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 50 transitions. [2022-04-08 09:27:19,337 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:27:19,337 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:27:19,337 INFO L74 IsIncluded]: Start isIncluded. First operand has 50 states, 45 states have (on average 1.0222222222222221) internal successors, (46), 45 states have internal predecessors, (46), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 50 states. [2022-04-08 09:27:19,337 INFO L87 Difference]: Start difference. First operand has 50 states, 45 states have (on average 1.0222222222222221) internal successors, (46), 45 states have internal predecessors, (46), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 50 states. [2022-04-08 09:27:19,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:27:19,338 INFO L93 Difference]: Finished difference Result 50 states and 50 transitions. [2022-04-08 09:27:19,338 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 50 transitions. [2022-04-08 09:27:19,338 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:27:19,338 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:27:19,338 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 09:27:19,339 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 09:27:19,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 45 states have (on average 1.0222222222222221) internal successors, (46), 45 states have internal predecessors, (46), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:27:19,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 50 transitions. [2022-04-08 09:27:19,341 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 50 transitions. Word has length 48 [2022-04-08 09:27:19,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 09:27:19,341 INFO L478 AbstractCegarLoop]: Abstraction has 50 states and 50 transitions. [2022-04-08 09:27:19,342 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 1.0731707317073171) internal successors, (44), 40 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) [2022-04-08 09:27:19,342 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 50 states and 50 transitions. [2022-04-08 09:27:19,389 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 50 edges. 50 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:27:19,389 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 50 transitions. [2022-04-08 09:27:19,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-04-08 09:27:19,389 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 09:27:19,389 INFO L499 BasicCegarLoop]: trace histogram [38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 09:27:19,415 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2022-04-08 09:27:19,590 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2022-04-08 09:27:19,590 INFO L403 AbstractCegarLoop]: === Iteration 40 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 09:27:19,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 09:27:19,591 INFO L85 PathProgramCache]: Analyzing trace with hash -1054340708, now seen corresponding path program 75 times [2022-04-08 09:27:19,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 09:27:19,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [144115832] [2022-04-08 09:27:19,593 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-08 09:27:19,594 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-08 09:27:19,594 INFO L85 PathProgramCache]: Analyzing trace with hash -1054340708, now seen corresponding path program 76 times [2022-04-08 09:27:19,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 09:27:19,594 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165490901] [2022-04-08 09:27:19,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 09:27:19,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 09:27:19,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:27:20,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-08 09:27:20,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:27:20,564 INFO L290 TraceCheckUtils]: 0: Hoare triple {17654#(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(13, 2);call #Ultimate.allocInit(12, 3); {17610#true} is VALID [2022-04-08 09:27:20,564 INFO L290 TraceCheckUtils]: 1: Hoare triple {17610#true} assume true; {17610#true} is VALID [2022-04-08 09:27:20,564 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {17610#true} {17610#true} #34#return; {17610#true} is VALID [2022-04-08 09:27:20,564 INFO L272 TraceCheckUtils]: 0: Hoare triple {17610#true} call ULTIMATE.init(); {17654#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-08 09:27:20,564 INFO L290 TraceCheckUtils]: 1: Hoare triple {17654#(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(13, 2);call #Ultimate.allocInit(12, 3); {17610#true} is VALID [2022-04-08 09:27:20,565 INFO L290 TraceCheckUtils]: 2: Hoare triple {17610#true} assume true; {17610#true} is VALID [2022-04-08 09:27:20,565 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {17610#true} {17610#true} #34#return; {17610#true} is VALID [2022-04-08 09:27:20,565 INFO L272 TraceCheckUtils]: 4: Hoare triple {17610#true} call #t~ret4 := main(); {17610#true} is VALID [2022-04-08 09:27:20,573 INFO L290 TraceCheckUtils]: 5: Hoare triple {17610#true} ~x~0 := 268435441; {17615#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:27:20,574 INFO L290 TraceCheckUtils]: 6: Hoare triple {17615#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17616#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:27:20,574 INFO L290 TraceCheckUtils]: 7: Hoare triple {17616#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17617#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:27:20,575 INFO L290 TraceCheckUtils]: 8: Hoare triple {17617#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17618#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:27:20,576 INFO L290 TraceCheckUtils]: 9: Hoare triple {17618#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17619#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:27:20,576 INFO L290 TraceCheckUtils]: 10: Hoare triple {17619#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17620#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:27:20,577 INFO L290 TraceCheckUtils]: 11: Hoare triple {17620#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17621#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:27:20,577 INFO L290 TraceCheckUtils]: 12: Hoare triple {17621#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17622#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:27:20,578 INFO L290 TraceCheckUtils]: 13: Hoare triple {17622#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17623#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:27:20,578 INFO L290 TraceCheckUtils]: 14: Hoare triple {17623#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17624#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:27:20,579 INFO L290 TraceCheckUtils]: 15: Hoare triple {17624#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17625#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:27:20,579 INFO L290 TraceCheckUtils]: 16: Hoare triple {17625#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17626#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:27:20,580 INFO L290 TraceCheckUtils]: 17: Hoare triple {17626#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17627#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:27:20,580 INFO L290 TraceCheckUtils]: 18: Hoare triple {17627#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17628#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:27:20,581 INFO L290 TraceCheckUtils]: 19: Hoare triple {17628#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17629#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} is VALID [2022-04-08 09:27:20,581 INFO L290 TraceCheckUtils]: 20: Hoare triple {17629#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17630#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} is VALID [2022-04-08 09:27:20,582 INFO L290 TraceCheckUtils]: 21: Hoare triple {17630#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17631#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} is VALID [2022-04-08 09:27:20,582 INFO L290 TraceCheckUtils]: 22: Hoare triple {17631#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17632#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} is VALID [2022-04-08 09:27:20,583 INFO L290 TraceCheckUtils]: 23: Hoare triple {17632#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17633#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} is VALID [2022-04-08 09:27:20,583 INFO L290 TraceCheckUtils]: 24: Hoare triple {17633#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17634#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} is VALID [2022-04-08 09:27:20,584 INFO L290 TraceCheckUtils]: 25: Hoare triple {17634#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17635#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} is VALID [2022-04-08 09:27:20,584 INFO L290 TraceCheckUtils]: 26: Hoare triple {17635#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17636#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} is VALID [2022-04-08 09:27:20,585 INFO L290 TraceCheckUtils]: 27: Hoare triple {17636#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17637#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} is VALID [2022-04-08 09:27:20,585 INFO L290 TraceCheckUtils]: 28: Hoare triple {17637#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17638#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} is VALID [2022-04-08 09:27:20,586 INFO L290 TraceCheckUtils]: 29: Hoare triple {17638#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17639#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} is VALID [2022-04-08 09:27:20,586 INFO L290 TraceCheckUtils]: 30: Hoare triple {17639#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17640#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} is VALID [2022-04-08 09:27:20,587 INFO L290 TraceCheckUtils]: 31: Hoare triple {17640#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17641#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} is VALID [2022-04-08 09:27:20,587 INFO L290 TraceCheckUtils]: 32: Hoare triple {17641#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17642#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} is VALID [2022-04-08 09:27:20,588 INFO L290 TraceCheckUtils]: 33: Hoare triple {17642#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17643#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} is VALID [2022-04-08 09:27:20,588 INFO L290 TraceCheckUtils]: 34: Hoare triple {17643#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17644#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} is VALID [2022-04-08 09:27:20,589 INFO L290 TraceCheckUtils]: 35: Hoare triple {17644#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17645#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} is VALID [2022-04-08 09:27:20,590 INFO L290 TraceCheckUtils]: 36: Hoare triple {17645#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17646#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} is VALID [2022-04-08 09:27:20,590 INFO L290 TraceCheckUtils]: 37: Hoare triple {17646#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17647#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} is VALID [2022-04-08 09:27:20,591 INFO L290 TraceCheckUtils]: 38: Hoare triple {17647#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17648#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} is VALID [2022-04-08 09:27:20,591 INFO L290 TraceCheckUtils]: 39: Hoare triple {17648#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17649#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} is VALID [2022-04-08 09:27:20,592 INFO L290 TraceCheckUtils]: 40: Hoare triple {17649#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17650#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} is VALID [2022-04-08 09:27:20,592 INFO L290 TraceCheckUtils]: 41: Hoare triple {17650#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17651#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} is VALID [2022-04-08 09:27:20,593 INFO L290 TraceCheckUtils]: 42: Hoare triple {17651#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17652#(and (<= main_~x~0 268435367) (<= 268435367 main_~x~0))} is VALID [2022-04-08 09:27:20,593 INFO L290 TraceCheckUtils]: 43: Hoare triple {17652#(and (<= main_~x~0 268435367) (<= 268435367 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17653#(and (<= (div main_~x~0 4294967296) 0) (<= 268435365 main_~x~0))} is VALID [2022-04-08 09:27:20,594 INFO L290 TraceCheckUtils]: 44: Hoare triple {17653#(and (<= (div main_~x~0 4294967296) 0) (<= 268435365 main_~x~0))} assume !(~x~0 % 4294967296 > 1); {17611#false} is VALID [2022-04-08 09:27:20,594 INFO L272 TraceCheckUtils]: 45: Hoare triple {17611#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)); {17611#false} is VALID [2022-04-08 09:27:20,594 INFO L290 TraceCheckUtils]: 46: Hoare triple {17611#false} ~cond := #in~cond; {17611#false} is VALID [2022-04-08 09:27:20,594 INFO L290 TraceCheckUtils]: 47: Hoare triple {17611#false} assume 0 == ~cond; {17611#false} is VALID [2022-04-08 09:27:20,594 INFO L290 TraceCheckUtils]: 48: Hoare triple {17611#false} assume !false; {17611#false} is VALID [2022-04-08 09:27:20,594 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:27:20,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 09:27:20,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165490901] [2022-04-08 09:27:20,595 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165490901] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-08 09:27:20,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [608711158] [2022-04-08 09:27:20,595 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-08 09:27:20,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 09:27:20,595 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 09:27:20,596 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) [2022-04-08 09:27:20,597 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2022-04-08 09:27:20,660 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-08 09:27:20,660 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 09:27:20,661 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 79 conjunts are in the unsatisfiable core [2022-04-08 09:27:20,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:27:20,671 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 09:27:21,205 INFO L272 TraceCheckUtils]: 0: Hoare triple {17610#true} call ULTIMATE.init(); {17610#true} is VALID [2022-04-08 09:27:21,205 INFO L290 TraceCheckUtils]: 1: Hoare triple {17610#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(13, 2);call #Ultimate.allocInit(12, 3); {17610#true} is VALID [2022-04-08 09:27:21,206 INFO L290 TraceCheckUtils]: 2: Hoare triple {17610#true} assume true; {17610#true} is VALID [2022-04-08 09:27:21,206 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {17610#true} {17610#true} #34#return; {17610#true} is VALID [2022-04-08 09:27:21,206 INFO L272 TraceCheckUtils]: 4: Hoare triple {17610#true} call #t~ret4 := main(); {17610#true} is VALID [2022-04-08 09:27:21,206 INFO L290 TraceCheckUtils]: 5: Hoare triple {17610#true} ~x~0 := 268435441; {17615#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:27:21,207 INFO L290 TraceCheckUtils]: 6: Hoare triple {17615#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17616#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:27:21,207 INFO L290 TraceCheckUtils]: 7: Hoare triple {17616#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17617#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:27:21,208 INFO L290 TraceCheckUtils]: 8: Hoare triple {17617#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17618#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:27:21,208 INFO L290 TraceCheckUtils]: 9: Hoare triple {17618#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17619#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:27:21,209 INFO L290 TraceCheckUtils]: 10: Hoare triple {17619#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17620#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:27:21,209 INFO L290 TraceCheckUtils]: 11: Hoare triple {17620#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17621#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:27:21,210 INFO L290 TraceCheckUtils]: 12: Hoare triple {17621#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17622#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:27:21,210 INFO L290 TraceCheckUtils]: 13: Hoare triple {17622#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17623#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:27:21,211 INFO L290 TraceCheckUtils]: 14: Hoare triple {17623#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17624#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:27:21,211 INFO L290 TraceCheckUtils]: 15: Hoare triple {17624#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17625#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:27:21,212 INFO L290 TraceCheckUtils]: 16: Hoare triple {17625#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17626#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:27:21,212 INFO L290 TraceCheckUtils]: 17: Hoare triple {17626#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17627#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:27:21,213 INFO L290 TraceCheckUtils]: 18: Hoare triple {17627#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17628#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:27:21,213 INFO L290 TraceCheckUtils]: 19: Hoare triple {17628#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17629#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} is VALID [2022-04-08 09:27:21,214 INFO L290 TraceCheckUtils]: 20: Hoare triple {17629#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17630#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} is VALID [2022-04-08 09:27:21,214 INFO L290 TraceCheckUtils]: 21: Hoare triple {17630#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17631#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} is VALID [2022-04-08 09:27:21,215 INFO L290 TraceCheckUtils]: 22: Hoare triple {17631#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17632#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} is VALID [2022-04-08 09:27:21,215 INFO L290 TraceCheckUtils]: 23: Hoare triple {17632#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17633#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} is VALID [2022-04-08 09:27:21,216 INFO L290 TraceCheckUtils]: 24: Hoare triple {17633#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17634#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} is VALID [2022-04-08 09:27:21,216 INFO L290 TraceCheckUtils]: 25: Hoare triple {17634#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17635#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} is VALID [2022-04-08 09:27:21,217 INFO L290 TraceCheckUtils]: 26: Hoare triple {17635#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17636#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} is VALID [2022-04-08 09:27:21,217 INFO L290 TraceCheckUtils]: 27: Hoare triple {17636#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17637#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} is VALID [2022-04-08 09:27:21,218 INFO L290 TraceCheckUtils]: 28: Hoare triple {17637#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17638#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} is VALID [2022-04-08 09:27:21,218 INFO L290 TraceCheckUtils]: 29: Hoare triple {17638#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17639#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} is VALID [2022-04-08 09:27:21,224 INFO L290 TraceCheckUtils]: 30: Hoare triple {17639#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17640#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} is VALID [2022-04-08 09:27:21,225 INFO L290 TraceCheckUtils]: 31: Hoare triple {17640#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17641#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} is VALID [2022-04-08 09:27:21,225 INFO L290 TraceCheckUtils]: 32: Hoare triple {17641#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17642#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} is VALID [2022-04-08 09:27:21,226 INFO L290 TraceCheckUtils]: 33: Hoare triple {17642#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17643#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} is VALID [2022-04-08 09:27:21,227 INFO L290 TraceCheckUtils]: 34: Hoare triple {17643#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17644#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} is VALID [2022-04-08 09:27:21,227 INFO L290 TraceCheckUtils]: 35: Hoare triple {17644#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17645#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} is VALID [2022-04-08 09:27:21,228 INFO L290 TraceCheckUtils]: 36: Hoare triple {17645#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17646#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} is VALID [2022-04-08 09:27:21,229 INFO L290 TraceCheckUtils]: 37: Hoare triple {17646#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17647#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} is VALID [2022-04-08 09:27:21,229 INFO L290 TraceCheckUtils]: 38: Hoare triple {17647#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17648#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} is VALID [2022-04-08 09:27:21,230 INFO L290 TraceCheckUtils]: 39: Hoare triple {17648#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17649#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} is VALID [2022-04-08 09:27:21,231 INFO L290 TraceCheckUtils]: 40: Hoare triple {17649#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17650#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} is VALID [2022-04-08 09:27:21,231 INFO L290 TraceCheckUtils]: 41: Hoare triple {17650#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17651#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} is VALID [2022-04-08 09:27:21,232 INFO L290 TraceCheckUtils]: 42: Hoare triple {17651#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17652#(and (<= main_~x~0 268435367) (<= 268435367 main_~x~0))} is VALID [2022-04-08 09:27:21,233 INFO L290 TraceCheckUtils]: 43: Hoare triple {17652#(and (<= main_~x~0 268435367) (<= 268435367 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17787#(and (<= 268435365 main_~x~0) (<= main_~x~0 268435365))} is VALID [2022-04-08 09:27:21,233 INFO L290 TraceCheckUtils]: 44: Hoare triple {17787#(and (<= 268435365 main_~x~0) (<= main_~x~0 268435365))} assume !(~x~0 % 4294967296 > 1); {17611#false} is VALID [2022-04-08 09:27:21,233 INFO L272 TraceCheckUtils]: 45: Hoare triple {17611#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)); {17611#false} is VALID [2022-04-08 09:27:21,233 INFO L290 TraceCheckUtils]: 46: Hoare triple {17611#false} ~cond := #in~cond; {17611#false} is VALID [2022-04-08 09:27:21,234 INFO L290 TraceCheckUtils]: 47: Hoare triple {17611#false} assume 0 == ~cond; {17611#false} is VALID [2022-04-08 09:27:21,234 INFO L290 TraceCheckUtils]: 48: Hoare triple {17611#false} assume !false; {17611#false} is VALID [2022-04-08 09:27:21,234 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:27:21,234 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 09:27:23,654 INFO L290 TraceCheckUtils]: 48: Hoare triple {17611#false} assume !false; {17611#false} is VALID [2022-04-08 09:27:23,655 INFO L290 TraceCheckUtils]: 47: Hoare triple {17611#false} assume 0 == ~cond; {17611#false} is VALID [2022-04-08 09:27:23,655 INFO L290 TraceCheckUtils]: 46: Hoare triple {17611#false} ~cond := #in~cond; {17611#false} is VALID [2022-04-08 09:27:23,655 INFO L272 TraceCheckUtils]: 45: Hoare triple {17611#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)); {17611#false} is VALID [2022-04-08 09:27:23,655 INFO L290 TraceCheckUtils]: 44: Hoare triple {17815#(< 1 (mod main_~x~0 4294967296))} assume !(~x~0 % 4294967296 > 1); {17611#false} is VALID [2022-04-08 09:27:23,657 INFO L290 TraceCheckUtils]: 43: Hoare triple {17819#(< 1 (mod (+ main_~x~0 4294967294) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17815#(< 1 (mod main_~x~0 4294967296))} is VALID [2022-04-08 09:27:23,657 INFO L290 TraceCheckUtils]: 42: Hoare triple {17823#(< 1 (mod (+ 4294967292 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17819#(< 1 (mod (+ main_~x~0 4294967294) 4294967296))} is VALID [2022-04-08 09:27:23,658 INFO L290 TraceCheckUtils]: 41: Hoare triple {17827#(< 1 (mod (+ 4294967290 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17823#(< 1 (mod (+ 4294967292 main_~x~0) 4294967296))} is VALID [2022-04-08 09:27:23,659 INFO L290 TraceCheckUtils]: 40: Hoare triple {17831#(< 1 (mod (+ 4294967288 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17827#(< 1 (mod (+ 4294967290 main_~x~0) 4294967296))} is VALID [2022-04-08 09:27:23,659 INFO L290 TraceCheckUtils]: 39: Hoare triple {17835#(< 1 (mod (+ main_~x~0 4294967286) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17831#(< 1 (mod (+ 4294967288 main_~x~0) 4294967296))} is VALID [2022-04-08 09:27:23,660 INFO L290 TraceCheckUtils]: 38: Hoare triple {17839#(< 1 (mod (+ main_~x~0 4294967284) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17835#(< 1 (mod (+ main_~x~0 4294967286) 4294967296))} is VALID [2022-04-08 09:27:23,661 INFO L290 TraceCheckUtils]: 37: Hoare triple {17843#(< 1 (mod (+ 4294967282 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17839#(< 1 (mod (+ main_~x~0 4294967284) 4294967296))} is VALID [2022-04-08 09:27:23,661 INFO L290 TraceCheckUtils]: 36: Hoare triple {17847#(< 1 (mod (+ main_~x~0 4294967280) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17843#(< 1 (mod (+ 4294967282 main_~x~0) 4294967296))} is VALID [2022-04-08 09:27:23,662 INFO L290 TraceCheckUtils]: 35: Hoare triple {17851#(< 1 (mod (+ main_~x~0 4294967278) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17847#(< 1 (mod (+ main_~x~0 4294967280) 4294967296))} is VALID [2022-04-08 09:27:23,662 INFO L290 TraceCheckUtils]: 34: Hoare triple {17855#(< 1 (mod (+ 4294967276 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17851#(< 1 (mod (+ main_~x~0 4294967278) 4294967296))} is VALID [2022-04-08 09:27:23,663 INFO L290 TraceCheckUtils]: 33: Hoare triple {17859#(< 1 (mod (+ 4294967274 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17855#(< 1 (mod (+ 4294967276 main_~x~0) 4294967296))} is VALID [2022-04-08 09:27:23,664 INFO L290 TraceCheckUtils]: 32: Hoare triple {17863#(< 1 (mod (+ 4294967272 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17859#(< 1 (mod (+ 4294967274 main_~x~0) 4294967296))} is VALID [2022-04-08 09:27:23,665 INFO L290 TraceCheckUtils]: 31: Hoare triple {17867#(< 1 (mod (+ main_~x~0 4294967270) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17863#(< 1 (mod (+ 4294967272 main_~x~0) 4294967296))} is VALID [2022-04-08 09:27:23,666 INFO L290 TraceCheckUtils]: 30: Hoare triple {17871#(< 1 (mod (+ main_~x~0 4294967268) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17867#(< 1 (mod (+ main_~x~0 4294967270) 4294967296))} is VALID [2022-04-08 09:27:23,667 INFO L290 TraceCheckUtils]: 29: Hoare triple {17875#(< 1 (mod (+ main_~x~0 4294967266) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17871#(< 1 (mod (+ main_~x~0 4294967268) 4294967296))} is VALID [2022-04-08 09:27:23,667 INFO L290 TraceCheckUtils]: 28: Hoare triple {17879#(< 1 (mod (+ main_~x~0 4294967264) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17875#(< 1 (mod (+ main_~x~0 4294967266) 4294967296))} is VALID [2022-04-08 09:27:23,668 INFO L290 TraceCheckUtils]: 27: Hoare triple {17883#(< 1 (mod (+ main_~x~0 4294967262) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17879#(< 1 (mod (+ main_~x~0 4294967264) 4294967296))} is VALID [2022-04-08 09:27:23,669 INFO L290 TraceCheckUtils]: 26: Hoare triple {17887#(< 1 (mod (+ 4294967260 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17883#(< 1 (mod (+ main_~x~0 4294967262) 4294967296))} is VALID [2022-04-08 09:27:23,669 INFO L290 TraceCheckUtils]: 25: Hoare triple {17891#(< 1 (mod (+ main_~x~0 4294967258) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17887#(< 1 (mod (+ 4294967260 main_~x~0) 4294967296))} is VALID [2022-04-08 09:27:23,670 INFO L290 TraceCheckUtils]: 24: Hoare triple {17895#(< 1 (mod (+ main_~x~0 4294967256) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17891#(< 1 (mod (+ main_~x~0 4294967258) 4294967296))} is VALID [2022-04-08 09:27:23,670 INFO L290 TraceCheckUtils]: 23: Hoare triple {17899#(< 1 (mod (+ 4294967254 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17895#(< 1 (mod (+ main_~x~0 4294967256) 4294967296))} is VALID [2022-04-08 09:27:23,671 INFO L290 TraceCheckUtils]: 22: Hoare triple {17903#(< 1 (mod (+ main_~x~0 4294967252) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17899#(< 1 (mod (+ 4294967254 main_~x~0) 4294967296))} is VALID [2022-04-08 09:27:23,672 INFO L290 TraceCheckUtils]: 21: Hoare triple {17907#(< 1 (mod (+ 4294967250 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17903#(< 1 (mod (+ main_~x~0 4294967252) 4294967296))} is VALID [2022-04-08 09:27:23,672 INFO L290 TraceCheckUtils]: 20: Hoare triple {17911#(< 1 (mod (+ main_~x~0 4294967248) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17907#(< 1 (mod (+ 4294967250 main_~x~0) 4294967296))} is VALID [2022-04-08 09:27:23,673 INFO L290 TraceCheckUtils]: 19: Hoare triple {17915#(< 1 (mod (+ 4294967246 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17911#(< 1 (mod (+ main_~x~0 4294967248) 4294967296))} is VALID [2022-04-08 09:27:23,674 INFO L290 TraceCheckUtils]: 18: Hoare triple {17919#(< 1 (mod (+ main_~x~0 4294967244) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17915#(< 1 (mod (+ 4294967246 main_~x~0) 4294967296))} is VALID [2022-04-08 09:27:23,674 INFO L290 TraceCheckUtils]: 17: Hoare triple {17923#(< 1 (mod (+ main_~x~0 4294967242) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17919#(< 1 (mod (+ main_~x~0 4294967244) 4294967296))} is VALID [2022-04-08 09:27:23,675 INFO L290 TraceCheckUtils]: 16: Hoare triple {17927#(< 1 (mod (+ 4294967240 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17923#(< 1 (mod (+ main_~x~0 4294967242) 4294967296))} is VALID [2022-04-08 09:27:23,675 INFO L290 TraceCheckUtils]: 15: Hoare triple {17931#(< 1 (mod (+ 4294967238 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17927#(< 1 (mod (+ 4294967240 main_~x~0) 4294967296))} is VALID [2022-04-08 09:27:23,676 INFO L290 TraceCheckUtils]: 14: Hoare triple {17935#(< 1 (mod (+ main_~x~0 4294967236) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17931#(< 1 (mod (+ 4294967238 main_~x~0) 4294967296))} is VALID [2022-04-08 09:27:23,677 INFO L290 TraceCheckUtils]: 13: Hoare triple {17939#(< 1 (mod (+ main_~x~0 4294967234) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17935#(< 1 (mod (+ main_~x~0 4294967236) 4294967296))} is VALID [2022-04-08 09:27:23,677 INFO L290 TraceCheckUtils]: 12: Hoare triple {17943#(< 1 (mod (+ main_~x~0 4294967232) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17939#(< 1 (mod (+ main_~x~0 4294967234) 4294967296))} is VALID [2022-04-08 09:27:23,678 INFO L290 TraceCheckUtils]: 11: Hoare triple {17947#(< 1 (mod (+ 4294967230 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17943#(< 1 (mod (+ main_~x~0 4294967232) 4294967296))} is VALID [2022-04-08 09:27:23,679 INFO L290 TraceCheckUtils]: 10: Hoare triple {17951#(< 1 (mod (+ main_~x~0 4294967228) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17947#(< 1 (mod (+ 4294967230 main_~x~0) 4294967296))} is VALID [2022-04-08 09:27:23,679 INFO L290 TraceCheckUtils]: 9: Hoare triple {17955#(< 1 (mod (+ main_~x~0 4294967226) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17951#(< 1 (mod (+ main_~x~0 4294967228) 4294967296))} is VALID [2022-04-08 09:27:23,680 INFO L290 TraceCheckUtils]: 8: Hoare triple {17959#(< 1 (mod (+ 4294967224 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17955#(< 1 (mod (+ main_~x~0 4294967226) 4294967296))} is VALID [2022-04-08 09:27:23,681 INFO L290 TraceCheckUtils]: 7: Hoare triple {17963#(< 1 (mod (+ main_~x~0 4294967222) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17959#(< 1 (mod (+ 4294967224 main_~x~0) 4294967296))} is VALID [2022-04-08 09:27:23,682 INFO L290 TraceCheckUtils]: 6: Hoare triple {17967#(< 1 (mod (+ main_~x~0 4294967220) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {17963#(< 1 (mod (+ main_~x~0 4294967222) 4294967296))} is VALID [2022-04-08 09:27:23,683 INFO L290 TraceCheckUtils]: 5: Hoare triple {17610#true} ~x~0 := 268435441; {17967#(< 1 (mod (+ main_~x~0 4294967220) 4294967296))} is VALID [2022-04-08 09:27:23,683 INFO L272 TraceCheckUtils]: 4: Hoare triple {17610#true} call #t~ret4 := main(); {17610#true} is VALID [2022-04-08 09:27:23,683 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {17610#true} {17610#true} #34#return; {17610#true} is VALID [2022-04-08 09:27:23,683 INFO L290 TraceCheckUtils]: 2: Hoare triple {17610#true} assume true; {17610#true} is VALID [2022-04-08 09:27:23,683 INFO L290 TraceCheckUtils]: 1: Hoare triple {17610#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(13, 2);call #Ultimate.allocInit(12, 3); {17610#true} is VALID [2022-04-08 09:27:23,683 INFO L272 TraceCheckUtils]: 0: Hoare triple {17610#true} call ULTIMATE.init(); {17610#true} is VALID [2022-04-08 09:27:23,683 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:27:23,684 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [608711158] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-08 09:27:23,684 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-08 09:27:23,684 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 41, 41] total 82 [2022-04-08 09:27:23,684 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 09:27:23,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [144115832] [2022-04-08 09:27:23,684 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [144115832] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 09:27:23,684 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 09:27:23,684 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [42] imperfect sequences [] total 42 [2022-04-08 09:27:23,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349763405] [2022-04-08 09:27:23,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 09:27:23,685 INFO L78 Accepts]: Start accepts. Automaton has has 42 states, 42 states have (on average 1.0714285714285714) internal successors, (45), 41 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 [2022-04-08 09:27:23,685 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 09:27:23,685 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 42 states, 42 states have (on average 1.0714285714285714) internal successors, (45), 41 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) [2022-04-08 09:27:23,713 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 49 edges. 49 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:27:23,713 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2022-04-08 09:27:23,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 09:27:23,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2022-04-08 09:27:23,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1760, Invalid=4882, Unknown=0, NotChecked=0, Total=6642 [2022-04-08 09:27:23,715 INFO L87 Difference]: Start difference. First operand 50 states and 50 transitions. Second operand has 42 states, 42 states have (on average 1.0714285714285714) internal successors, (45), 41 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) [2022-04-08 09:27:26,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:27:26,866 INFO L93 Difference]: Finished difference Result 56 states and 56 transitions. [2022-04-08 09:27:26,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-04-08 09:27:26,867 INFO L78 Accepts]: Start accepts. Automaton has has 42 states, 42 states have (on average 1.0714285714285714) internal successors, (45), 41 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 [2022-04-08 09:27:26,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 09:27:26,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 42 states have (on average 1.0714285714285714) internal successors, (45), 41 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) [2022-04-08 09:27:26,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 56 transitions. [2022-04-08 09:27:26,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 42 states have (on average 1.0714285714285714) internal successors, (45), 41 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) [2022-04-08 09:27:26,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 56 transitions. [2022-04-08 09:27:26,868 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 42 states and 56 transitions. [2022-04-08 09:27:26,904 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 56 edges. 56 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:27:26,905 INFO L225 Difference]: With dead ends: 56 [2022-04-08 09:27:26,905 INFO L226 Difference]: Without dead ends: 51 [2022-04-08 09:27:26,906 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 60 SyntacticMatches, 1 SemanticMatches, 119 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 822 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=3513, Invalid=11007, Unknown=0, NotChecked=0, Total=14520 [2022-04-08 09:27:26,909 INFO L913 BasicCegarLoop]: 11 mSDtfsCounter, 6 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 1599 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 1678 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 1599 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-04-08 09:27:26,909 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 128 Invalid, 1678 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 1599 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-04-08 09:27:26,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2022-04-08 09:27:26,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2022-04-08 09:27:26,965 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 09:27:26,965 INFO L82 GeneralOperation]: Start isEquivalent. First operand 51 states. Second operand has 51 states, 46 states have (on average 1.0217391304347827) internal successors, (47), 46 states have internal predecessors, (47), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:27:26,965 INFO L74 IsIncluded]: Start isIncluded. First operand 51 states. Second operand has 51 states, 46 states have (on average 1.0217391304347827) internal successors, (47), 46 states have internal predecessors, (47), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:27:26,965 INFO L87 Difference]: Start difference. First operand 51 states. Second operand has 51 states, 46 states have (on average 1.0217391304347827) internal successors, (47), 46 states have internal predecessors, (47), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:27:26,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:27:26,966 INFO L93 Difference]: Finished difference Result 51 states and 51 transitions. [2022-04-08 09:27:26,966 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 51 transitions. [2022-04-08 09:27:26,966 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:27:26,966 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:27:26,966 INFO L74 IsIncluded]: Start isIncluded. First operand has 51 states, 46 states have (on average 1.0217391304347827) internal successors, (47), 46 states have internal predecessors, (47), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 51 states. [2022-04-08 09:27:26,967 INFO L87 Difference]: Start difference. First operand has 51 states, 46 states have (on average 1.0217391304347827) internal successors, (47), 46 states have internal predecessors, (47), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 51 states. [2022-04-08 09:27:26,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:27:26,967 INFO L93 Difference]: Finished difference Result 51 states and 51 transitions. [2022-04-08 09:27:26,967 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 51 transitions. [2022-04-08 09:27:26,967 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:27:26,967 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:27:26,967 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 09:27:26,967 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 09:27:26,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 46 states have (on average 1.0217391304347827) internal successors, (47), 46 states have internal predecessors, (47), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:27:26,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 51 transitions. [2022-04-08 09:27:26,968 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 51 transitions. Word has length 49 [2022-04-08 09:27:26,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 09:27:26,968 INFO L478 AbstractCegarLoop]: Abstraction has 51 states and 51 transitions. [2022-04-08 09:27:26,968 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 1.0714285714285714) internal successors, (45), 41 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) [2022-04-08 09:27:26,968 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 51 states and 51 transitions. [2022-04-08 09:27:27,006 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 51 edges. 51 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:27:27,007 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 51 transitions. [2022-04-08 09:27:27,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-04-08 09:27:27,007 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 09:27:27,007 INFO L499 BasicCegarLoop]: trace histogram [39, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 09:27:27,025 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Ended with exit code 0 [2022-04-08 09:27:27,211 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2022-04-08 09:27:27,212 INFO L403 AbstractCegarLoop]: === Iteration 41 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 09:27:27,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 09:27:27,212 INFO L85 PathProgramCache]: Analyzing trace with hash 1711637686, now seen corresponding path program 77 times [2022-04-08 09:27:27,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 09:27:27,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [2027525002] [2022-04-08 09:27:27,214 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-08 09:27:27,214 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-08 09:27:27,214 INFO L85 PathProgramCache]: Analyzing trace with hash 1711637686, now seen corresponding path program 78 times [2022-04-08 09:27:27,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 09:27:27,215 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317446398] [2022-04-08 09:27:27,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 09:27:27,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 09:27:27,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:27:28,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-08 09:27:28,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:27:28,144 INFO L290 TraceCheckUtils]: 0: Hoare triple {18427#(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(13, 2);call #Ultimate.allocInit(12, 3); {18382#true} is VALID [2022-04-08 09:27:28,145 INFO L290 TraceCheckUtils]: 1: Hoare triple {18382#true} assume true; {18382#true} is VALID [2022-04-08 09:27:28,145 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {18382#true} {18382#true} #34#return; {18382#true} is VALID [2022-04-08 09:27:28,145 INFO L272 TraceCheckUtils]: 0: Hoare triple {18382#true} call ULTIMATE.init(); {18427#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-08 09:27:28,146 INFO L290 TraceCheckUtils]: 1: Hoare triple {18427#(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(13, 2);call #Ultimate.allocInit(12, 3); {18382#true} is VALID [2022-04-08 09:27:28,146 INFO L290 TraceCheckUtils]: 2: Hoare triple {18382#true} assume true; {18382#true} is VALID [2022-04-08 09:27:28,146 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {18382#true} {18382#true} #34#return; {18382#true} is VALID [2022-04-08 09:27:28,146 INFO L272 TraceCheckUtils]: 4: Hoare triple {18382#true} call #t~ret4 := main(); {18382#true} is VALID [2022-04-08 09:27:28,147 INFO L290 TraceCheckUtils]: 5: Hoare triple {18382#true} ~x~0 := 268435441; {18387#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:27:28,147 INFO L290 TraceCheckUtils]: 6: Hoare triple {18387#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18388#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:27:28,148 INFO L290 TraceCheckUtils]: 7: Hoare triple {18388#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18389#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:27:28,149 INFO L290 TraceCheckUtils]: 8: Hoare triple {18389#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18390#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:27:28,149 INFO L290 TraceCheckUtils]: 9: Hoare triple {18390#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18391#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:27:28,150 INFO L290 TraceCheckUtils]: 10: Hoare triple {18391#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18392#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:27:28,151 INFO L290 TraceCheckUtils]: 11: Hoare triple {18392#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18393#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:27:28,151 INFO L290 TraceCheckUtils]: 12: Hoare triple {18393#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18394#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:27:28,160 INFO L290 TraceCheckUtils]: 13: Hoare triple {18394#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18395#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:27:28,161 INFO L290 TraceCheckUtils]: 14: Hoare triple {18395#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18396#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:27:28,162 INFO L290 TraceCheckUtils]: 15: Hoare triple {18396#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18397#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:27:28,162 INFO L290 TraceCheckUtils]: 16: Hoare triple {18397#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18398#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:27:28,163 INFO L290 TraceCheckUtils]: 17: Hoare triple {18398#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18399#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:27:28,163 INFO L290 TraceCheckUtils]: 18: Hoare triple {18399#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18400#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:27:28,164 INFO L290 TraceCheckUtils]: 19: Hoare triple {18400#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18401#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} is VALID [2022-04-08 09:27:28,164 INFO L290 TraceCheckUtils]: 20: Hoare triple {18401#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18402#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} is VALID [2022-04-08 09:27:28,165 INFO L290 TraceCheckUtils]: 21: Hoare triple {18402#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18403#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} is VALID [2022-04-08 09:27:28,165 INFO L290 TraceCheckUtils]: 22: Hoare triple {18403#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18404#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} is VALID [2022-04-08 09:27:28,166 INFO L290 TraceCheckUtils]: 23: Hoare triple {18404#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18405#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} is VALID [2022-04-08 09:27:28,167 INFO L290 TraceCheckUtils]: 24: Hoare triple {18405#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18406#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} is VALID [2022-04-08 09:27:28,167 INFO L290 TraceCheckUtils]: 25: Hoare triple {18406#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18407#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} is VALID [2022-04-08 09:27:28,168 INFO L290 TraceCheckUtils]: 26: Hoare triple {18407#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18408#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} is VALID [2022-04-08 09:27:28,168 INFO L290 TraceCheckUtils]: 27: Hoare triple {18408#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18409#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} is VALID [2022-04-08 09:27:28,169 INFO L290 TraceCheckUtils]: 28: Hoare triple {18409#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18410#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} is VALID [2022-04-08 09:27:28,169 INFO L290 TraceCheckUtils]: 29: Hoare triple {18410#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18411#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} is VALID [2022-04-08 09:27:28,170 INFO L290 TraceCheckUtils]: 30: Hoare triple {18411#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18412#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} is VALID [2022-04-08 09:27:28,171 INFO L290 TraceCheckUtils]: 31: Hoare triple {18412#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18413#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} is VALID [2022-04-08 09:27:28,171 INFO L290 TraceCheckUtils]: 32: Hoare triple {18413#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18414#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} is VALID [2022-04-08 09:27:28,172 INFO L290 TraceCheckUtils]: 33: Hoare triple {18414#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18415#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} is VALID [2022-04-08 09:27:28,172 INFO L290 TraceCheckUtils]: 34: Hoare triple {18415#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18416#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} is VALID [2022-04-08 09:27:28,173 INFO L290 TraceCheckUtils]: 35: Hoare triple {18416#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18417#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} is VALID [2022-04-08 09:27:28,173 INFO L290 TraceCheckUtils]: 36: Hoare triple {18417#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18418#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} is VALID [2022-04-08 09:27:28,174 INFO L290 TraceCheckUtils]: 37: Hoare triple {18418#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18419#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} is VALID [2022-04-08 09:27:28,174 INFO L290 TraceCheckUtils]: 38: Hoare triple {18419#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18420#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} is VALID [2022-04-08 09:27:28,175 INFO L290 TraceCheckUtils]: 39: Hoare triple {18420#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18421#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} is VALID [2022-04-08 09:27:28,176 INFO L290 TraceCheckUtils]: 40: Hoare triple {18421#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18422#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} is VALID [2022-04-08 09:27:28,176 INFO L290 TraceCheckUtils]: 41: Hoare triple {18422#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18423#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} is VALID [2022-04-08 09:27:28,177 INFO L290 TraceCheckUtils]: 42: Hoare triple {18423#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18424#(and (<= main_~x~0 268435367) (<= 268435367 main_~x~0))} is VALID [2022-04-08 09:27:28,178 INFO L290 TraceCheckUtils]: 43: Hoare triple {18424#(and (<= main_~x~0 268435367) (<= 268435367 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18425#(and (<= 268435365 main_~x~0) (<= main_~x~0 268435365))} is VALID [2022-04-08 09:27:28,178 INFO L290 TraceCheckUtils]: 44: Hoare triple {18425#(and (<= 268435365 main_~x~0) (<= main_~x~0 268435365))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18426#(and (<= 268435363 main_~x~0) (<= (div main_~x~0 4294967296) 0))} is VALID [2022-04-08 09:27:28,179 INFO L290 TraceCheckUtils]: 45: Hoare triple {18426#(and (<= 268435363 main_~x~0) (<= (div main_~x~0 4294967296) 0))} assume !(~x~0 % 4294967296 > 1); {18383#false} is VALID [2022-04-08 09:27:28,179 INFO L272 TraceCheckUtils]: 46: Hoare triple {18383#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)); {18383#false} is VALID [2022-04-08 09:27:28,179 INFO L290 TraceCheckUtils]: 47: Hoare triple {18383#false} ~cond := #in~cond; {18383#false} is VALID [2022-04-08 09:27:28,179 INFO L290 TraceCheckUtils]: 48: Hoare triple {18383#false} assume 0 == ~cond; {18383#false} is VALID [2022-04-08 09:27:28,179 INFO L290 TraceCheckUtils]: 49: Hoare triple {18383#false} assume !false; {18383#false} is VALID [2022-04-08 09:27:28,180 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:27:28,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 09:27:28,180 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317446398] [2022-04-08 09:27:28,180 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1317446398] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-08 09:27:28,180 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2113892057] [2022-04-08 09:27:28,180 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-04-08 09:27:28,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 09:27:28,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 09:27:28,184 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) [2022-04-08 09:27:28,208 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2022-04-08 09:27:31,133 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 21 check-sat command(s) [2022-04-08 09:27:31,134 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 09:27:31,138 WARN L261 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 84 conjunts are in the unsatisfiable core [2022-04-08 09:27:31,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:27:31,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 09:27:31,560 INFO L272 TraceCheckUtils]: 0: Hoare triple {18382#true} call ULTIMATE.init(); {18382#true} is VALID [2022-04-08 09:27:31,560 INFO L290 TraceCheckUtils]: 1: Hoare triple {18382#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(13, 2);call #Ultimate.allocInit(12, 3); {18382#true} is VALID [2022-04-08 09:27:31,560 INFO L290 TraceCheckUtils]: 2: Hoare triple {18382#true} assume true; {18382#true} is VALID [2022-04-08 09:27:31,560 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {18382#true} {18382#true} #34#return; {18382#true} is VALID [2022-04-08 09:27:31,561 INFO L272 TraceCheckUtils]: 4: Hoare triple {18382#true} call #t~ret4 := main(); {18382#true} is VALID [2022-04-08 09:27:31,563 INFO L290 TraceCheckUtils]: 5: Hoare triple {18382#true} ~x~0 := 268435441; {18387#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:27:31,564 INFO L290 TraceCheckUtils]: 6: Hoare triple {18387#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18388#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:27:31,565 INFO L290 TraceCheckUtils]: 7: Hoare triple {18388#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18389#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:27:31,565 INFO L290 TraceCheckUtils]: 8: Hoare triple {18389#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18390#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:27:31,566 INFO L290 TraceCheckUtils]: 9: Hoare triple {18390#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18391#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:27:31,567 INFO L290 TraceCheckUtils]: 10: Hoare triple {18391#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18392#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:27:31,567 INFO L290 TraceCheckUtils]: 11: Hoare triple {18392#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18393#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:27:31,568 INFO L290 TraceCheckUtils]: 12: Hoare triple {18393#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18394#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:27:31,569 INFO L290 TraceCheckUtils]: 13: Hoare triple {18394#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18395#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:27:31,569 INFO L290 TraceCheckUtils]: 14: Hoare triple {18395#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18396#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:27:31,570 INFO L290 TraceCheckUtils]: 15: Hoare triple {18396#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18397#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:27:31,571 INFO L290 TraceCheckUtils]: 16: Hoare triple {18397#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18398#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:27:31,571 INFO L290 TraceCheckUtils]: 17: Hoare triple {18398#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18399#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:27:31,572 INFO L290 TraceCheckUtils]: 18: Hoare triple {18399#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18400#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:27:31,573 INFO L290 TraceCheckUtils]: 19: Hoare triple {18400#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18401#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} is VALID [2022-04-08 09:27:31,573 INFO L290 TraceCheckUtils]: 20: Hoare triple {18401#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18402#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} is VALID [2022-04-08 09:27:31,574 INFO L290 TraceCheckUtils]: 21: Hoare triple {18402#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18403#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} is VALID [2022-04-08 09:27:31,575 INFO L290 TraceCheckUtils]: 22: Hoare triple {18403#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18404#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} is VALID [2022-04-08 09:27:31,575 INFO L290 TraceCheckUtils]: 23: Hoare triple {18404#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18405#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} is VALID [2022-04-08 09:27:31,576 INFO L290 TraceCheckUtils]: 24: Hoare triple {18405#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18406#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} is VALID [2022-04-08 09:27:31,577 INFO L290 TraceCheckUtils]: 25: Hoare triple {18406#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18407#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} is VALID [2022-04-08 09:27:31,577 INFO L290 TraceCheckUtils]: 26: Hoare triple {18407#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18408#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} is VALID [2022-04-08 09:27:31,578 INFO L290 TraceCheckUtils]: 27: Hoare triple {18408#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18409#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} is VALID [2022-04-08 09:27:31,579 INFO L290 TraceCheckUtils]: 28: Hoare triple {18409#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18410#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} is VALID [2022-04-08 09:27:31,580 INFO L290 TraceCheckUtils]: 29: Hoare triple {18410#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18411#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} is VALID [2022-04-08 09:27:31,580 INFO L290 TraceCheckUtils]: 30: Hoare triple {18411#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18412#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} is VALID [2022-04-08 09:27:31,581 INFO L290 TraceCheckUtils]: 31: Hoare triple {18412#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18413#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} is VALID [2022-04-08 09:27:31,581 INFO L290 TraceCheckUtils]: 32: Hoare triple {18413#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18414#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} is VALID [2022-04-08 09:27:31,582 INFO L290 TraceCheckUtils]: 33: Hoare triple {18414#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18415#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} is VALID [2022-04-08 09:27:31,582 INFO L290 TraceCheckUtils]: 34: Hoare triple {18415#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18416#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} is VALID [2022-04-08 09:27:31,583 INFO L290 TraceCheckUtils]: 35: Hoare triple {18416#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18417#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} is VALID [2022-04-08 09:27:31,583 INFO L290 TraceCheckUtils]: 36: Hoare triple {18417#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18418#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} is VALID [2022-04-08 09:27:31,584 INFO L290 TraceCheckUtils]: 37: Hoare triple {18418#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18419#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} is VALID [2022-04-08 09:27:31,584 INFO L290 TraceCheckUtils]: 38: Hoare triple {18419#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18420#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} is VALID [2022-04-08 09:27:31,585 INFO L290 TraceCheckUtils]: 39: Hoare triple {18420#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18421#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} is VALID [2022-04-08 09:27:31,585 INFO L290 TraceCheckUtils]: 40: Hoare triple {18421#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18422#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} is VALID [2022-04-08 09:27:31,586 INFO L290 TraceCheckUtils]: 41: Hoare triple {18422#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18423#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} is VALID [2022-04-08 09:27:31,586 INFO L290 TraceCheckUtils]: 42: Hoare triple {18423#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18424#(and (<= main_~x~0 268435367) (<= 268435367 main_~x~0))} is VALID [2022-04-08 09:27:31,587 INFO L290 TraceCheckUtils]: 43: Hoare triple {18424#(and (<= main_~x~0 268435367) (<= 268435367 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18425#(and (<= 268435365 main_~x~0) (<= main_~x~0 268435365))} is VALID [2022-04-08 09:27:31,587 INFO L290 TraceCheckUtils]: 44: Hoare triple {18425#(and (<= 268435365 main_~x~0) (<= main_~x~0 268435365))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18563#(and (<= 268435363 main_~x~0) (<= main_~x~0 268435363))} is VALID [2022-04-08 09:27:31,588 INFO L290 TraceCheckUtils]: 45: Hoare triple {18563#(and (<= 268435363 main_~x~0) (<= main_~x~0 268435363))} assume !(~x~0 % 4294967296 > 1); {18383#false} is VALID [2022-04-08 09:27:31,588 INFO L272 TraceCheckUtils]: 46: Hoare triple {18383#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)); {18383#false} is VALID [2022-04-08 09:27:31,588 INFO L290 TraceCheckUtils]: 47: Hoare triple {18383#false} ~cond := #in~cond; {18383#false} is VALID [2022-04-08 09:27:31,588 INFO L290 TraceCheckUtils]: 48: Hoare triple {18383#false} assume 0 == ~cond; {18383#false} is VALID [2022-04-08 09:27:31,588 INFO L290 TraceCheckUtils]: 49: Hoare triple {18383#false} assume !false; {18383#false} is VALID [2022-04-08 09:27:31,588 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:27:31,589 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 09:27:34,961 INFO L290 TraceCheckUtils]: 49: Hoare triple {18383#false} assume !false; {18383#false} is VALID [2022-04-08 09:27:34,962 INFO L290 TraceCheckUtils]: 48: Hoare triple {18582#(not (<= __VERIFIER_assert_~cond 0))} assume 0 == ~cond; {18383#false} is VALID [2022-04-08 09:27:34,962 INFO L290 TraceCheckUtils]: 47: Hoare triple {18586#(< 0 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {18582#(not (<= __VERIFIER_assert_~cond 0))} is VALID [2022-04-08 09:27:34,963 INFO L272 TraceCheckUtils]: 46: Hoare triple {18590#(= (mod main_~x~0 2) 0)} 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)); {18586#(< 0 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-08 09:27:34,963 INFO L290 TraceCheckUtils]: 45: Hoare triple {18594#(or (< 1 (mod main_~x~0 4294967296)) (= (mod main_~x~0 2) 0))} assume !(~x~0 % 4294967296 > 1); {18590#(= (mod main_~x~0 2) 0)} is VALID [2022-04-08 09:27:34,965 INFO L290 TraceCheckUtils]: 44: Hoare triple {18598#(or (< 1 (mod (+ main_~x~0 4294967294) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18594#(or (< 1 (mod main_~x~0 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:34,966 INFO L290 TraceCheckUtils]: 43: Hoare triple {18602#(or (< 1 (mod (+ 4294967292 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18598#(or (< 1 (mod (+ main_~x~0 4294967294) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:34,966 INFO L290 TraceCheckUtils]: 42: Hoare triple {18606#(or (< 1 (mod (+ 4294967290 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18602#(or (< 1 (mod (+ 4294967292 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:34,967 INFO L290 TraceCheckUtils]: 41: Hoare triple {18610#(or (< 1 (mod (+ 4294967288 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18606#(or (< 1 (mod (+ 4294967290 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:34,969 INFO L290 TraceCheckUtils]: 40: Hoare triple {18614#(or (< 1 (mod (+ main_~x~0 4294967286) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18610#(or (< 1 (mod (+ 4294967288 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:34,970 INFO L290 TraceCheckUtils]: 39: Hoare triple {18618#(or (< 1 (mod (+ main_~x~0 4294967284) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18614#(or (< 1 (mod (+ main_~x~0 4294967286) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:34,970 INFO L290 TraceCheckUtils]: 38: Hoare triple {18622#(or (< 1 (mod (+ 4294967282 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18618#(or (< 1 (mod (+ main_~x~0 4294967284) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:34,971 INFO L290 TraceCheckUtils]: 37: Hoare triple {18626#(or (< 1 (mod (+ main_~x~0 4294967280) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18622#(or (< 1 (mod (+ 4294967282 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:34,972 INFO L290 TraceCheckUtils]: 36: Hoare triple {18630#(or (< 1 (mod (+ main_~x~0 4294967278) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18626#(or (< 1 (mod (+ main_~x~0 4294967280) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:34,973 INFO L290 TraceCheckUtils]: 35: Hoare triple {18634#(or (< 1 (mod (+ 4294967276 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18630#(or (< 1 (mod (+ main_~x~0 4294967278) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:34,974 INFO L290 TraceCheckUtils]: 34: Hoare triple {18638#(or (< 1 (mod (+ 4294967274 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18634#(or (< 1 (mod (+ 4294967276 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:34,974 INFO L290 TraceCheckUtils]: 33: Hoare triple {18642#(or (< 1 (mod (+ 4294967272 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18638#(or (< 1 (mod (+ 4294967274 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:34,976 INFO L290 TraceCheckUtils]: 32: Hoare triple {18646#(or (< 1 (mod (+ main_~x~0 4294967270) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18642#(or (< 1 (mod (+ 4294967272 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:34,977 INFO L290 TraceCheckUtils]: 31: Hoare triple {18650#(or (< 1 (mod (+ main_~x~0 4294967268) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18646#(or (< 1 (mod (+ main_~x~0 4294967270) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:34,978 INFO L290 TraceCheckUtils]: 30: Hoare triple {18654#(or (< 1 (mod (+ main_~x~0 4294967266) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18650#(or (< 1 (mod (+ main_~x~0 4294967268) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:34,979 INFO L290 TraceCheckUtils]: 29: Hoare triple {18658#(or (< 1 (mod (+ main_~x~0 4294967264) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18654#(or (< 1 (mod (+ main_~x~0 4294967266) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:34,980 INFO L290 TraceCheckUtils]: 28: Hoare triple {18662#(or (< 1 (mod (+ main_~x~0 4294967262) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18658#(or (< 1 (mod (+ main_~x~0 4294967264) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:34,981 INFO L290 TraceCheckUtils]: 27: Hoare triple {18666#(or (< 1 (mod (+ 4294967260 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18662#(or (< 1 (mod (+ main_~x~0 4294967262) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:34,982 INFO L290 TraceCheckUtils]: 26: Hoare triple {18670#(or (< 1 (mod (+ main_~x~0 4294967258) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18666#(or (< 1 (mod (+ 4294967260 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:34,983 INFO L290 TraceCheckUtils]: 25: Hoare triple {18674#(or (< 1 (mod (+ main_~x~0 4294967256) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18670#(or (< 1 (mod (+ main_~x~0 4294967258) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:34,984 INFO L290 TraceCheckUtils]: 24: Hoare triple {18678#(or (< 1 (mod (+ 4294967254 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18674#(or (< 1 (mod (+ main_~x~0 4294967256) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:34,984 INFO L290 TraceCheckUtils]: 23: Hoare triple {18682#(or (< 1 (mod (+ main_~x~0 4294967252) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18678#(or (< 1 (mod (+ 4294967254 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:34,986 INFO L290 TraceCheckUtils]: 22: Hoare triple {18686#(or (< 1 (mod (+ 4294967250 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18682#(or (< 1 (mod (+ main_~x~0 4294967252) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:34,987 INFO L290 TraceCheckUtils]: 21: Hoare triple {18690#(or (< 1 (mod (+ main_~x~0 4294967248) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18686#(or (< 1 (mod (+ 4294967250 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:34,988 INFO L290 TraceCheckUtils]: 20: Hoare triple {18694#(or (< 1 (mod (+ 4294967246 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18690#(or (< 1 (mod (+ main_~x~0 4294967248) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:34,988 INFO L290 TraceCheckUtils]: 19: Hoare triple {18698#(or (< 1 (mod (+ main_~x~0 4294967244) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18694#(or (< 1 (mod (+ 4294967246 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:34,989 INFO L290 TraceCheckUtils]: 18: Hoare triple {18702#(or (< 1 (mod (+ main_~x~0 4294967242) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18698#(or (< 1 (mod (+ main_~x~0 4294967244) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:34,990 INFO L290 TraceCheckUtils]: 17: Hoare triple {18706#(or (< 1 (mod (+ 4294967240 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18702#(or (< 1 (mod (+ main_~x~0 4294967242) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:34,991 INFO L290 TraceCheckUtils]: 16: Hoare triple {18710#(or (< 1 (mod (+ 4294967238 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18706#(or (< 1 (mod (+ 4294967240 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:34,992 INFO L290 TraceCheckUtils]: 15: Hoare triple {18714#(or (< 1 (mod (+ main_~x~0 4294967236) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18710#(or (< 1 (mod (+ 4294967238 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:34,993 INFO L290 TraceCheckUtils]: 14: Hoare triple {18718#(or (< 1 (mod (+ main_~x~0 4294967234) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18714#(or (< 1 (mod (+ main_~x~0 4294967236) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:34,995 INFO L290 TraceCheckUtils]: 13: Hoare triple {18722#(or (< 1 (mod (+ main_~x~0 4294967232) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18718#(or (< 1 (mod (+ main_~x~0 4294967234) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:34,996 INFO L290 TraceCheckUtils]: 12: Hoare triple {18726#(or (< 1 (mod (+ 4294967230 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18722#(or (< 1 (mod (+ main_~x~0 4294967232) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:34,997 INFO L290 TraceCheckUtils]: 11: Hoare triple {18730#(or (< 1 (mod (+ main_~x~0 4294967228) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18726#(or (< 1 (mod (+ 4294967230 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:34,998 INFO L290 TraceCheckUtils]: 10: Hoare triple {18734#(or (< 1 (mod (+ main_~x~0 4294967226) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18730#(or (< 1 (mod (+ main_~x~0 4294967228) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:34,999 INFO L290 TraceCheckUtils]: 9: Hoare triple {18738#(or (< 1 (mod (+ 4294967224 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18734#(or (< 1 (mod (+ main_~x~0 4294967226) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:35,000 INFO L290 TraceCheckUtils]: 8: Hoare triple {18742#(or (< 1 (mod (+ main_~x~0 4294967222) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18738#(or (< 1 (mod (+ 4294967224 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:35,000 INFO L290 TraceCheckUtils]: 7: Hoare triple {18746#(or (< 1 (mod (+ main_~x~0 4294967220) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18742#(or (< 1 (mod (+ main_~x~0 4294967222) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:35,002 INFO L290 TraceCheckUtils]: 6: Hoare triple {18750#(or (< 1 (mod (+ 4294967218 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {18746#(or (< 1 (mod (+ main_~x~0 4294967220) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:35,002 INFO L290 TraceCheckUtils]: 5: Hoare triple {18382#true} ~x~0 := 268435441; {18750#(or (< 1 (mod (+ 4294967218 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:27:35,002 INFO L272 TraceCheckUtils]: 4: Hoare triple {18382#true} call #t~ret4 := main(); {18382#true} is VALID [2022-04-08 09:27:35,002 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {18382#true} {18382#true} #34#return; {18382#true} is VALID [2022-04-08 09:27:35,003 INFO L290 TraceCheckUtils]: 2: Hoare triple {18382#true} assume true; {18382#true} is VALID [2022-04-08 09:27:35,003 INFO L290 TraceCheckUtils]: 1: Hoare triple {18382#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(13, 2);call #Ultimate.allocInit(12, 3); {18382#true} is VALID [2022-04-08 09:27:35,003 INFO L272 TraceCheckUtils]: 0: Hoare triple {18382#true} call ULTIMATE.init(); {18382#true} is VALID [2022-04-08 09:27:35,003 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:27:35,004 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2113892057] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-08 09:27:35,004 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-08 09:27:35,004 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 42, 45] total 87 [2022-04-08 09:27:35,004 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 09:27:35,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [2027525002] [2022-04-08 09:27:35,004 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [2027525002] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 09:27:35,004 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 09:27:35,004 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [43] imperfect sequences [] total 43 [2022-04-08 09:27:35,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659946119] [2022-04-08 09:27:35,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 09:27:35,005 INFO L78 Accepts]: Start accepts. Automaton has has 43 states, 43 states have (on average 1.069767441860465) internal successors, (46), 42 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 [2022-04-08 09:27:35,005 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 09:27:35,005 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 43 states, 43 states have (on average 1.069767441860465) internal successors, (46), 42 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) [2022-04-08 09:27:35,035 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 50 edges. 50 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:27:35,035 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2022-04-08 09:27:35,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 09:27:35,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2022-04-08 09:27:35,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1891, Invalid=5591, Unknown=0, NotChecked=0, Total=7482 [2022-04-08 09:27:35,037 INFO L87 Difference]: Start difference. First operand 51 states and 51 transitions. Second operand has 43 states, 43 states have (on average 1.069767441860465) internal successors, (46), 42 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) [2022-04-08 09:27:38,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:27:38,303 INFO L93 Difference]: Finished difference Result 57 states and 57 transitions. [2022-04-08 09:27:38,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-04-08 09:27:38,303 INFO L78 Accepts]: Start accepts. Automaton has has 43 states, 43 states have (on average 1.069767441860465) internal successors, (46), 42 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 [2022-04-08 09:27:38,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 09:27:38,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 43 states have (on average 1.069767441860465) internal successors, (46), 42 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) [2022-04-08 09:27:38,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 57 transitions. [2022-04-08 09:27:38,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 43 states have (on average 1.069767441860465) internal successors, (46), 42 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) [2022-04-08 09:27:38,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 57 transitions. [2022-04-08 09:27:38,304 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 43 states and 57 transitions. [2022-04-08 09:27:38,341 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 57 edges. 57 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:27:38,341 INFO L225 Difference]: With dead ends: 57 [2022-04-08 09:27:38,341 INFO L226 Difference]: Without dead ends: 52 [2022-04-08 09:27:38,343 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 58 SyntacticMatches, 1 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 869 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=3729, Invalid=12273, Unknown=0, NotChecked=0, Total=16002 [2022-04-08 09:27:38,343 INFO L913 BasicCegarLoop]: 11 mSDtfsCounter, 6 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 1622 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 1703 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 1622 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-04-08 09:27:38,343 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 73 Invalid, 1703 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 1622 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-04-08 09:27:38,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2022-04-08 09:27:38,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2022-04-08 09:27:38,397 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 09:27:38,397 INFO L82 GeneralOperation]: Start isEquivalent. First operand 52 states. Second operand has 52 states, 47 states have (on average 1.0212765957446808) internal successors, (48), 47 states have internal predecessors, (48), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:27:38,397 INFO L74 IsIncluded]: Start isIncluded. First operand 52 states. Second operand has 52 states, 47 states have (on average 1.0212765957446808) internal successors, (48), 47 states have internal predecessors, (48), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:27:38,398 INFO L87 Difference]: Start difference. First operand 52 states. Second operand has 52 states, 47 states have (on average 1.0212765957446808) internal successors, (48), 47 states have internal predecessors, (48), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:27:38,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:27:38,398 INFO L93 Difference]: Finished difference Result 52 states and 52 transitions. [2022-04-08 09:27:38,399 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 52 transitions. [2022-04-08 09:27:38,399 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:27:38,399 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:27:38,399 INFO L74 IsIncluded]: Start isIncluded. First operand has 52 states, 47 states have (on average 1.0212765957446808) internal successors, (48), 47 states have internal predecessors, (48), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 52 states. [2022-04-08 09:27:38,399 INFO L87 Difference]: Start difference. First operand has 52 states, 47 states have (on average 1.0212765957446808) internal successors, (48), 47 states have internal predecessors, (48), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 52 states. [2022-04-08 09:27:38,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:27:38,400 INFO L93 Difference]: Finished difference Result 52 states and 52 transitions. [2022-04-08 09:27:38,400 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 52 transitions. [2022-04-08 09:27:38,400 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:27:38,400 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:27:38,400 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 09:27:38,400 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 09:27:38,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 47 states have (on average 1.0212765957446808) internal successors, (48), 47 states have internal predecessors, (48), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:27:38,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 52 transitions. [2022-04-08 09:27:38,401 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 52 transitions. Word has length 50 [2022-04-08 09:27:38,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 09:27:38,401 INFO L478 AbstractCegarLoop]: Abstraction has 52 states and 52 transitions. [2022-04-08 09:27:38,402 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 1.069767441860465) internal successors, (46), 42 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) [2022-04-08 09:27:38,402 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 52 states and 52 transitions. [2022-04-08 09:27:38,450 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 52 edges. 52 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:27:38,450 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 52 transitions. [2022-04-08 09:27:38,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-04-08 09:27:38,451 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 09:27:38,451 INFO L499 BasicCegarLoop]: trace histogram [40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 09:27:38,459 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Forceful destruction successful, exit code 0 [2022-04-08 09:27:38,657 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,40 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 09:27:38,657 INFO L403 AbstractCegarLoop]: === Iteration 42 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 09:27:38,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 09:27:38,657 INFO L85 PathProgramCache]: Analyzing trace with hash 1557621980, now seen corresponding path program 79 times [2022-04-08 09:27:38,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 09:27:38,658 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1115856744] [2022-04-08 09:27:38,660 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-08 09:27:38,660 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-08 09:27:38,660 INFO L85 PathProgramCache]: Analyzing trace with hash 1557621980, now seen corresponding path program 80 times [2022-04-08 09:27:38,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 09:27:38,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533345220] [2022-04-08 09:27:38,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 09:27:38,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 09:27:38,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:27:39,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-08 09:27:39,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:27:39,684 INFO L290 TraceCheckUtils]: 0: Hoare triple {19219#(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(13, 2);call #Ultimate.allocInit(12, 3); {19173#true} is VALID [2022-04-08 09:27:39,684 INFO L290 TraceCheckUtils]: 1: Hoare triple {19173#true} assume true; {19173#true} is VALID [2022-04-08 09:27:39,684 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {19173#true} {19173#true} #34#return; {19173#true} is VALID [2022-04-08 09:27:39,684 INFO L272 TraceCheckUtils]: 0: Hoare triple {19173#true} call ULTIMATE.init(); {19219#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-08 09:27:39,685 INFO L290 TraceCheckUtils]: 1: Hoare triple {19219#(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(13, 2);call #Ultimate.allocInit(12, 3); {19173#true} is VALID [2022-04-08 09:27:39,685 INFO L290 TraceCheckUtils]: 2: Hoare triple {19173#true} assume true; {19173#true} is VALID [2022-04-08 09:27:39,685 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {19173#true} {19173#true} #34#return; {19173#true} is VALID [2022-04-08 09:27:39,685 INFO L272 TraceCheckUtils]: 4: Hoare triple {19173#true} call #t~ret4 := main(); {19173#true} is VALID [2022-04-08 09:27:39,685 INFO L290 TraceCheckUtils]: 5: Hoare triple {19173#true} ~x~0 := 268435441; {19178#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:27:39,686 INFO L290 TraceCheckUtils]: 6: Hoare triple {19178#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19179#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:27:39,686 INFO L290 TraceCheckUtils]: 7: Hoare triple {19179#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19180#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:27:39,687 INFO L290 TraceCheckUtils]: 8: Hoare triple {19180#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19181#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:27:39,687 INFO L290 TraceCheckUtils]: 9: Hoare triple {19181#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19182#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:27:39,688 INFO L290 TraceCheckUtils]: 10: Hoare triple {19182#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19183#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:27:39,688 INFO L290 TraceCheckUtils]: 11: Hoare triple {19183#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19184#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:27:39,689 INFO L290 TraceCheckUtils]: 12: Hoare triple {19184#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19185#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:27:39,689 INFO L290 TraceCheckUtils]: 13: Hoare triple {19185#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19186#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:27:39,690 INFO L290 TraceCheckUtils]: 14: Hoare triple {19186#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19187#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:27:39,690 INFO L290 TraceCheckUtils]: 15: Hoare triple {19187#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19188#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:27:39,691 INFO L290 TraceCheckUtils]: 16: Hoare triple {19188#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19189#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:27:39,691 INFO L290 TraceCheckUtils]: 17: Hoare triple {19189#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19190#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:27:39,692 INFO L290 TraceCheckUtils]: 18: Hoare triple {19190#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19191#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:27:39,692 INFO L290 TraceCheckUtils]: 19: Hoare triple {19191#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19192#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} is VALID [2022-04-08 09:27:39,693 INFO L290 TraceCheckUtils]: 20: Hoare triple {19192#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19193#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} is VALID [2022-04-08 09:27:39,693 INFO L290 TraceCheckUtils]: 21: Hoare triple {19193#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19194#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} is VALID [2022-04-08 09:27:39,694 INFO L290 TraceCheckUtils]: 22: Hoare triple {19194#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19195#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} is VALID [2022-04-08 09:27:39,694 INFO L290 TraceCheckUtils]: 23: Hoare triple {19195#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19196#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} is VALID [2022-04-08 09:27:39,695 INFO L290 TraceCheckUtils]: 24: Hoare triple {19196#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19197#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} is VALID [2022-04-08 09:27:39,695 INFO L290 TraceCheckUtils]: 25: Hoare triple {19197#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19198#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} is VALID [2022-04-08 09:27:39,696 INFO L290 TraceCheckUtils]: 26: Hoare triple {19198#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19199#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} is VALID [2022-04-08 09:27:39,696 INFO L290 TraceCheckUtils]: 27: Hoare triple {19199#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19200#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} is VALID [2022-04-08 09:27:39,697 INFO L290 TraceCheckUtils]: 28: Hoare triple {19200#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19201#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} is VALID [2022-04-08 09:27:39,697 INFO L290 TraceCheckUtils]: 29: Hoare triple {19201#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19202#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} is VALID [2022-04-08 09:27:39,698 INFO L290 TraceCheckUtils]: 30: Hoare triple {19202#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19203#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} is VALID [2022-04-08 09:27:39,698 INFO L290 TraceCheckUtils]: 31: Hoare triple {19203#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19204#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} is VALID [2022-04-08 09:27:39,699 INFO L290 TraceCheckUtils]: 32: Hoare triple {19204#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19205#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} is VALID [2022-04-08 09:27:39,699 INFO L290 TraceCheckUtils]: 33: Hoare triple {19205#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19206#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} is VALID [2022-04-08 09:27:39,700 INFO L290 TraceCheckUtils]: 34: Hoare triple {19206#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19207#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} is VALID [2022-04-08 09:27:39,700 INFO L290 TraceCheckUtils]: 35: Hoare triple {19207#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19208#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} is VALID [2022-04-08 09:27:39,701 INFO L290 TraceCheckUtils]: 36: Hoare triple {19208#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19209#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} is VALID [2022-04-08 09:27:39,702 INFO L290 TraceCheckUtils]: 37: Hoare triple {19209#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19210#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} is VALID [2022-04-08 09:27:39,702 INFO L290 TraceCheckUtils]: 38: Hoare triple {19210#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19211#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} is VALID [2022-04-08 09:27:39,703 INFO L290 TraceCheckUtils]: 39: Hoare triple {19211#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19212#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} is VALID [2022-04-08 09:27:39,703 INFO L290 TraceCheckUtils]: 40: Hoare triple {19212#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19213#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} is VALID [2022-04-08 09:27:39,704 INFO L290 TraceCheckUtils]: 41: Hoare triple {19213#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19214#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} is VALID [2022-04-08 09:27:39,704 INFO L290 TraceCheckUtils]: 42: Hoare triple {19214#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19215#(and (<= main_~x~0 268435367) (<= 268435367 main_~x~0))} is VALID [2022-04-08 09:27:39,705 INFO L290 TraceCheckUtils]: 43: Hoare triple {19215#(and (<= main_~x~0 268435367) (<= 268435367 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19216#(and (<= 268435365 main_~x~0) (<= main_~x~0 268435365))} is VALID [2022-04-08 09:27:39,705 INFO L290 TraceCheckUtils]: 44: Hoare triple {19216#(and (<= 268435365 main_~x~0) (<= main_~x~0 268435365))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19217#(and (<= 268435363 main_~x~0) (<= main_~x~0 268435363))} is VALID [2022-04-08 09:27:39,706 INFO L290 TraceCheckUtils]: 45: Hoare triple {19217#(and (<= 268435363 main_~x~0) (<= main_~x~0 268435363))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19218#(and (<= (div main_~x~0 4294967296) 0) (<= 268435361 main_~x~0))} is VALID [2022-04-08 09:27:39,706 INFO L290 TraceCheckUtils]: 46: Hoare triple {19218#(and (<= (div main_~x~0 4294967296) 0) (<= 268435361 main_~x~0))} assume !(~x~0 % 4294967296 > 1); {19174#false} is VALID [2022-04-08 09:27:39,706 INFO L272 TraceCheckUtils]: 47: Hoare triple {19174#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)); {19174#false} is VALID [2022-04-08 09:27:39,706 INFO L290 TraceCheckUtils]: 48: Hoare triple {19174#false} ~cond := #in~cond; {19174#false} is VALID [2022-04-08 09:27:39,706 INFO L290 TraceCheckUtils]: 49: Hoare triple {19174#false} assume 0 == ~cond; {19174#false} is VALID [2022-04-08 09:27:39,707 INFO L290 TraceCheckUtils]: 50: Hoare triple {19174#false} assume !false; {19174#false} is VALID [2022-04-08 09:27:39,707 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:27:39,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 09:27:39,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533345220] [2022-04-08 09:27:39,707 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533345220] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-08 09:27:39,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [495250600] [2022-04-08 09:27:39,707 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-08 09:27:39,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 09:27:39,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 09:27:39,708 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) [2022-04-08 09:27:39,709 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2022-04-08 09:27:39,800 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-08 09:27:39,800 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 09:27:39,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 83 conjunts are in the unsatisfiable core [2022-04-08 09:27:39,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:27:39,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 09:27:40,321 INFO L272 TraceCheckUtils]: 0: Hoare triple {19173#true} call ULTIMATE.init(); {19173#true} is VALID [2022-04-08 09:27:40,321 INFO L290 TraceCheckUtils]: 1: Hoare triple {19173#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(13, 2);call #Ultimate.allocInit(12, 3); {19173#true} is VALID [2022-04-08 09:27:40,321 INFO L290 TraceCheckUtils]: 2: Hoare triple {19173#true} assume true; {19173#true} is VALID [2022-04-08 09:27:40,321 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {19173#true} {19173#true} #34#return; {19173#true} is VALID [2022-04-08 09:27:40,321 INFO L272 TraceCheckUtils]: 4: Hoare triple {19173#true} call #t~ret4 := main(); {19173#true} is VALID [2022-04-08 09:27:40,322 INFO L290 TraceCheckUtils]: 5: Hoare triple {19173#true} ~x~0 := 268435441; {19178#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:27:40,322 INFO L290 TraceCheckUtils]: 6: Hoare triple {19178#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19179#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:27:40,323 INFO L290 TraceCheckUtils]: 7: Hoare triple {19179#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19180#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:27:40,323 INFO L290 TraceCheckUtils]: 8: Hoare triple {19180#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19181#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:27:40,324 INFO L290 TraceCheckUtils]: 9: Hoare triple {19181#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19182#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:27:40,324 INFO L290 TraceCheckUtils]: 10: Hoare triple {19182#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19183#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:27:40,325 INFO L290 TraceCheckUtils]: 11: Hoare triple {19183#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19184#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:27:40,325 INFO L290 TraceCheckUtils]: 12: Hoare triple {19184#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19185#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:27:40,326 INFO L290 TraceCheckUtils]: 13: Hoare triple {19185#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19186#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:27:40,326 INFO L290 TraceCheckUtils]: 14: Hoare triple {19186#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19187#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:27:40,327 INFO L290 TraceCheckUtils]: 15: Hoare triple {19187#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19188#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:27:40,327 INFO L290 TraceCheckUtils]: 16: Hoare triple {19188#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19189#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:27:40,328 INFO L290 TraceCheckUtils]: 17: Hoare triple {19189#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19190#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:27:40,328 INFO L290 TraceCheckUtils]: 18: Hoare triple {19190#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19191#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:27:40,329 INFO L290 TraceCheckUtils]: 19: Hoare triple {19191#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19192#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} is VALID [2022-04-08 09:27:40,329 INFO L290 TraceCheckUtils]: 20: Hoare triple {19192#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19193#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} is VALID [2022-04-08 09:27:40,330 INFO L290 TraceCheckUtils]: 21: Hoare triple {19193#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19194#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} is VALID [2022-04-08 09:27:40,330 INFO L290 TraceCheckUtils]: 22: Hoare triple {19194#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19195#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} is VALID [2022-04-08 09:27:40,331 INFO L290 TraceCheckUtils]: 23: Hoare triple {19195#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19196#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} is VALID [2022-04-08 09:27:40,331 INFO L290 TraceCheckUtils]: 24: Hoare triple {19196#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19197#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} is VALID [2022-04-08 09:27:40,332 INFO L290 TraceCheckUtils]: 25: Hoare triple {19197#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19198#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} is VALID [2022-04-08 09:27:40,332 INFO L290 TraceCheckUtils]: 26: Hoare triple {19198#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19199#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} is VALID [2022-04-08 09:27:40,333 INFO L290 TraceCheckUtils]: 27: Hoare triple {19199#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19200#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} is VALID [2022-04-08 09:27:40,333 INFO L290 TraceCheckUtils]: 28: Hoare triple {19200#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19201#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} is VALID [2022-04-08 09:27:40,334 INFO L290 TraceCheckUtils]: 29: Hoare triple {19201#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19202#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} is VALID [2022-04-08 09:27:40,334 INFO L290 TraceCheckUtils]: 30: Hoare triple {19202#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19203#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} is VALID [2022-04-08 09:27:40,335 INFO L290 TraceCheckUtils]: 31: Hoare triple {19203#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19204#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} is VALID [2022-04-08 09:27:40,335 INFO L290 TraceCheckUtils]: 32: Hoare triple {19204#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19205#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} is VALID [2022-04-08 09:27:40,336 INFO L290 TraceCheckUtils]: 33: Hoare triple {19205#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19206#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} is VALID [2022-04-08 09:27:40,336 INFO L290 TraceCheckUtils]: 34: Hoare triple {19206#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19207#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} is VALID [2022-04-08 09:27:40,337 INFO L290 TraceCheckUtils]: 35: Hoare triple {19207#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19208#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} is VALID [2022-04-08 09:27:40,338 INFO L290 TraceCheckUtils]: 36: Hoare triple {19208#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19209#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} is VALID [2022-04-08 09:27:40,338 INFO L290 TraceCheckUtils]: 37: Hoare triple {19209#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19210#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} is VALID [2022-04-08 09:27:40,339 INFO L290 TraceCheckUtils]: 38: Hoare triple {19210#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19211#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} is VALID [2022-04-08 09:27:40,339 INFO L290 TraceCheckUtils]: 39: Hoare triple {19211#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19212#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} is VALID [2022-04-08 09:27:40,340 INFO L290 TraceCheckUtils]: 40: Hoare triple {19212#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19213#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} is VALID [2022-04-08 09:27:40,340 INFO L290 TraceCheckUtils]: 41: Hoare triple {19213#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19214#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} is VALID [2022-04-08 09:27:40,341 INFO L290 TraceCheckUtils]: 42: Hoare triple {19214#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19215#(and (<= main_~x~0 268435367) (<= 268435367 main_~x~0))} is VALID [2022-04-08 09:27:40,341 INFO L290 TraceCheckUtils]: 43: Hoare triple {19215#(and (<= main_~x~0 268435367) (<= 268435367 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19216#(and (<= 268435365 main_~x~0) (<= main_~x~0 268435365))} is VALID [2022-04-08 09:27:40,342 INFO L290 TraceCheckUtils]: 44: Hoare triple {19216#(and (<= 268435365 main_~x~0) (<= main_~x~0 268435365))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19217#(and (<= 268435363 main_~x~0) (<= main_~x~0 268435363))} is VALID [2022-04-08 09:27:40,342 INFO L290 TraceCheckUtils]: 45: Hoare triple {19217#(and (<= 268435363 main_~x~0) (<= main_~x~0 268435363))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19358#(and (<= main_~x~0 268435361) (<= 268435361 main_~x~0))} is VALID [2022-04-08 09:27:40,343 INFO L290 TraceCheckUtils]: 46: Hoare triple {19358#(and (<= main_~x~0 268435361) (<= 268435361 main_~x~0))} assume !(~x~0 % 4294967296 > 1); {19174#false} is VALID [2022-04-08 09:27:40,343 INFO L272 TraceCheckUtils]: 47: Hoare triple {19174#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)); {19174#false} is VALID [2022-04-08 09:27:40,343 INFO L290 TraceCheckUtils]: 48: Hoare triple {19174#false} ~cond := #in~cond; {19174#false} is VALID [2022-04-08 09:27:40,343 INFO L290 TraceCheckUtils]: 49: Hoare triple {19174#false} assume 0 == ~cond; {19174#false} is VALID [2022-04-08 09:27:40,343 INFO L290 TraceCheckUtils]: 50: Hoare triple {19174#false} assume !false; {19174#false} is VALID [2022-04-08 09:27:40,343 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:27:40,344 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 09:27:42,986 INFO L290 TraceCheckUtils]: 50: Hoare triple {19174#false} assume !false; {19174#false} is VALID [2022-04-08 09:27:42,986 INFO L290 TraceCheckUtils]: 49: Hoare triple {19174#false} assume 0 == ~cond; {19174#false} is VALID [2022-04-08 09:27:42,986 INFO L290 TraceCheckUtils]: 48: Hoare triple {19174#false} ~cond := #in~cond; {19174#false} is VALID [2022-04-08 09:27:42,986 INFO L272 TraceCheckUtils]: 47: Hoare triple {19174#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)); {19174#false} is VALID [2022-04-08 09:27:42,986 INFO L290 TraceCheckUtils]: 46: Hoare triple {19386#(< 1 (mod main_~x~0 4294967296))} assume !(~x~0 % 4294967296 > 1); {19174#false} is VALID [2022-04-08 09:27:42,988 INFO L290 TraceCheckUtils]: 45: Hoare triple {19390#(< 1 (mod (+ main_~x~0 4294967294) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19386#(< 1 (mod main_~x~0 4294967296))} is VALID [2022-04-08 09:27:42,988 INFO L290 TraceCheckUtils]: 44: Hoare triple {19394#(< 1 (mod (+ 4294967292 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19390#(< 1 (mod (+ main_~x~0 4294967294) 4294967296))} is VALID [2022-04-08 09:27:42,989 INFO L290 TraceCheckUtils]: 43: Hoare triple {19398#(< 1 (mod (+ 4294967290 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19394#(< 1 (mod (+ 4294967292 main_~x~0) 4294967296))} is VALID [2022-04-08 09:27:42,990 INFO L290 TraceCheckUtils]: 42: Hoare triple {19402#(< 1 (mod (+ 4294967288 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19398#(< 1 (mod (+ 4294967290 main_~x~0) 4294967296))} is VALID [2022-04-08 09:27:42,990 INFO L290 TraceCheckUtils]: 41: Hoare triple {19406#(< 1 (mod (+ main_~x~0 4294967286) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19402#(< 1 (mod (+ 4294967288 main_~x~0) 4294967296))} is VALID [2022-04-08 09:27:42,991 INFO L290 TraceCheckUtils]: 40: Hoare triple {19410#(< 1 (mod (+ main_~x~0 4294967284) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19406#(< 1 (mod (+ main_~x~0 4294967286) 4294967296))} is VALID [2022-04-08 09:27:42,992 INFO L290 TraceCheckUtils]: 39: Hoare triple {19414#(< 1 (mod (+ 4294967282 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19410#(< 1 (mod (+ main_~x~0 4294967284) 4294967296))} is VALID [2022-04-08 09:27:42,992 INFO L290 TraceCheckUtils]: 38: Hoare triple {19418#(< 1 (mod (+ main_~x~0 4294967280) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19414#(< 1 (mod (+ 4294967282 main_~x~0) 4294967296))} is VALID [2022-04-08 09:27:42,993 INFO L290 TraceCheckUtils]: 37: Hoare triple {19422#(< 1 (mod (+ main_~x~0 4294967278) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19418#(< 1 (mod (+ main_~x~0 4294967280) 4294967296))} is VALID [2022-04-08 09:27:42,993 INFO L290 TraceCheckUtils]: 36: Hoare triple {19426#(< 1 (mod (+ 4294967276 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19422#(< 1 (mod (+ main_~x~0 4294967278) 4294967296))} is VALID [2022-04-08 09:27:42,994 INFO L290 TraceCheckUtils]: 35: Hoare triple {19430#(< 1 (mod (+ 4294967274 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19426#(< 1 (mod (+ 4294967276 main_~x~0) 4294967296))} is VALID [2022-04-08 09:27:42,995 INFO L290 TraceCheckUtils]: 34: Hoare triple {19434#(< 1 (mod (+ 4294967272 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19430#(< 1 (mod (+ 4294967274 main_~x~0) 4294967296))} is VALID [2022-04-08 09:27:42,997 INFO L290 TraceCheckUtils]: 33: Hoare triple {19438#(< 1 (mod (+ main_~x~0 4294967270) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19434#(< 1 (mod (+ 4294967272 main_~x~0) 4294967296))} is VALID [2022-04-08 09:27:42,997 INFO L290 TraceCheckUtils]: 32: Hoare triple {19442#(< 1 (mod (+ main_~x~0 4294967268) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19438#(< 1 (mod (+ main_~x~0 4294967270) 4294967296))} is VALID [2022-04-08 09:27:42,998 INFO L290 TraceCheckUtils]: 31: Hoare triple {19446#(< 1 (mod (+ main_~x~0 4294967266) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19442#(< 1 (mod (+ main_~x~0 4294967268) 4294967296))} is VALID [2022-04-08 09:27:42,998 INFO L290 TraceCheckUtils]: 30: Hoare triple {19450#(< 1 (mod (+ main_~x~0 4294967264) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19446#(< 1 (mod (+ main_~x~0 4294967266) 4294967296))} is VALID [2022-04-08 09:27:42,999 INFO L290 TraceCheckUtils]: 29: Hoare triple {19454#(< 1 (mod (+ main_~x~0 4294967262) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19450#(< 1 (mod (+ main_~x~0 4294967264) 4294967296))} is VALID [2022-04-08 09:27:43,000 INFO L290 TraceCheckUtils]: 28: Hoare triple {19458#(< 1 (mod (+ 4294967260 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19454#(< 1 (mod (+ main_~x~0 4294967262) 4294967296))} is VALID [2022-04-08 09:27:43,001 INFO L290 TraceCheckUtils]: 27: Hoare triple {19462#(< 1 (mod (+ main_~x~0 4294967258) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19458#(< 1 (mod (+ 4294967260 main_~x~0) 4294967296))} is VALID [2022-04-08 09:27:43,002 INFO L290 TraceCheckUtils]: 26: Hoare triple {19466#(< 1 (mod (+ main_~x~0 4294967256) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19462#(< 1 (mod (+ main_~x~0 4294967258) 4294967296))} is VALID [2022-04-08 09:27:43,002 INFO L290 TraceCheckUtils]: 25: Hoare triple {19470#(< 1 (mod (+ 4294967254 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19466#(< 1 (mod (+ main_~x~0 4294967256) 4294967296))} is VALID [2022-04-08 09:27:43,003 INFO L290 TraceCheckUtils]: 24: Hoare triple {19474#(< 1 (mod (+ main_~x~0 4294967252) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19470#(< 1 (mod (+ 4294967254 main_~x~0) 4294967296))} is VALID [2022-04-08 09:27:43,003 INFO L290 TraceCheckUtils]: 23: Hoare triple {19478#(< 1 (mod (+ 4294967250 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19474#(< 1 (mod (+ main_~x~0 4294967252) 4294967296))} is VALID [2022-04-08 09:27:43,004 INFO L290 TraceCheckUtils]: 22: Hoare triple {19482#(< 1 (mod (+ main_~x~0 4294967248) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19478#(< 1 (mod (+ 4294967250 main_~x~0) 4294967296))} is VALID [2022-04-08 09:27:43,005 INFO L290 TraceCheckUtils]: 21: Hoare triple {19486#(< 1 (mod (+ 4294967246 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19482#(< 1 (mod (+ main_~x~0 4294967248) 4294967296))} is VALID [2022-04-08 09:27:43,005 INFO L290 TraceCheckUtils]: 20: Hoare triple {19490#(< 1 (mod (+ main_~x~0 4294967244) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19486#(< 1 (mod (+ 4294967246 main_~x~0) 4294967296))} is VALID [2022-04-08 09:27:43,006 INFO L290 TraceCheckUtils]: 19: Hoare triple {19494#(< 1 (mod (+ main_~x~0 4294967242) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19490#(< 1 (mod (+ main_~x~0 4294967244) 4294967296))} is VALID [2022-04-08 09:27:43,006 INFO L290 TraceCheckUtils]: 18: Hoare triple {19498#(< 1 (mod (+ 4294967240 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19494#(< 1 (mod (+ main_~x~0 4294967242) 4294967296))} is VALID [2022-04-08 09:27:43,007 INFO L290 TraceCheckUtils]: 17: Hoare triple {19502#(< 1 (mod (+ 4294967238 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19498#(< 1 (mod (+ 4294967240 main_~x~0) 4294967296))} is VALID [2022-04-08 09:27:43,008 INFO L290 TraceCheckUtils]: 16: Hoare triple {19506#(< 1 (mod (+ main_~x~0 4294967236) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19502#(< 1 (mod (+ 4294967238 main_~x~0) 4294967296))} is VALID [2022-04-08 09:27:43,008 INFO L290 TraceCheckUtils]: 15: Hoare triple {19510#(< 1 (mod (+ main_~x~0 4294967234) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19506#(< 1 (mod (+ main_~x~0 4294967236) 4294967296))} is VALID [2022-04-08 09:27:43,009 INFO L290 TraceCheckUtils]: 14: Hoare triple {19514#(< 1 (mod (+ main_~x~0 4294967232) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19510#(< 1 (mod (+ main_~x~0 4294967234) 4294967296))} is VALID [2022-04-08 09:27:43,010 INFO L290 TraceCheckUtils]: 13: Hoare triple {19518#(< 1 (mod (+ 4294967230 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19514#(< 1 (mod (+ main_~x~0 4294967232) 4294967296))} is VALID [2022-04-08 09:27:43,010 INFO L290 TraceCheckUtils]: 12: Hoare triple {19522#(< 1 (mod (+ main_~x~0 4294967228) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19518#(< 1 (mod (+ 4294967230 main_~x~0) 4294967296))} is VALID [2022-04-08 09:27:43,011 INFO L290 TraceCheckUtils]: 11: Hoare triple {19526#(< 1 (mod (+ main_~x~0 4294967226) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19522#(< 1 (mod (+ main_~x~0 4294967228) 4294967296))} is VALID [2022-04-08 09:27:43,012 INFO L290 TraceCheckUtils]: 10: Hoare triple {19530#(< 1 (mod (+ 4294967224 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19526#(< 1 (mod (+ main_~x~0 4294967226) 4294967296))} is VALID [2022-04-08 09:27:43,013 INFO L290 TraceCheckUtils]: 9: Hoare triple {19534#(< 1 (mod (+ main_~x~0 4294967222) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19530#(< 1 (mod (+ 4294967224 main_~x~0) 4294967296))} is VALID [2022-04-08 09:27:43,016 INFO L290 TraceCheckUtils]: 8: Hoare triple {19538#(< 1 (mod (+ main_~x~0 4294967220) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19534#(< 1 (mod (+ main_~x~0 4294967222) 4294967296))} is VALID [2022-04-08 09:27:43,016 INFO L290 TraceCheckUtils]: 7: Hoare triple {19542#(< 1 (mod (+ 4294967218 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19538#(< 1 (mod (+ main_~x~0 4294967220) 4294967296))} is VALID [2022-04-08 09:27:43,017 INFO L290 TraceCheckUtils]: 6: Hoare triple {19546#(< 1 (mod (+ 4294967216 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19542#(< 1 (mod (+ 4294967218 main_~x~0) 4294967296))} is VALID [2022-04-08 09:27:43,017 INFO L290 TraceCheckUtils]: 5: Hoare triple {19173#true} ~x~0 := 268435441; {19546#(< 1 (mod (+ 4294967216 main_~x~0) 4294967296))} is VALID [2022-04-08 09:27:43,017 INFO L272 TraceCheckUtils]: 4: Hoare triple {19173#true} call #t~ret4 := main(); {19173#true} is VALID [2022-04-08 09:27:43,018 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {19173#true} {19173#true} #34#return; {19173#true} is VALID [2022-04-08 09:27:43,018 INFO L290 TraceCheckUtils]: 2: Hoare triple {19173#true} assume true; {19173#true} is VALID [2022-04-08 09:27:43,018 INFO L290 TraceCheckUtils]: 1: Hoare triple {19173#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(13, 2);call #Ultimate.allocInit(12, 3); {19173#true} is VALID [2022-04-08 09:27:43,018 INFO L272 TraceCheckUtils]: 0: Hoare triple {19173#true} call ULTIMATE.init(); {19173#true} is VALID [2022-04-08 09:27:43,018 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:27:43,018 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [495250600] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-08 09:27:43,018 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-08 09:27:43,019 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 43, 43] total 86 [2022-04-08 09:27:43,019 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 09:27:43,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1115856744] [2022-04-08 09:27:43,019 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1115856744] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 09:27:43,019 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 09:27:43,019 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [44] imperfect sequences [] total 44 [2022-04-08 09:27:43,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040825060] [2022-04-08 09:27:43,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 09:27:43,020 INFO L78 Accepts]: Start accepts. Automaton has has 44 states, 44 states have (on average 1.0681818181818181) internal successors, (47), 43 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 [2022-04-08 09:27:43,020 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 09:27:43,020 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 44 states, 44 states have (on average 1.0681818181818181) internal successors, (47), 43 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) [2022-04-08 09:27:43,051 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 51 edges. 51 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:27:43,052 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2022-04-08 09:27:43,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 09:27:43,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2022-04-08 09:27:43,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1932, Invalid=5378, Unknown=0, NotChecked=0, Total=7310 [2022-04-08 09:27:43,053 INFO L87 Difference]: Start difference. First operand 52 states and 52 transitions. Second operand has 44 states, 44 states have (on average 1.0681818181818181) internal successors, (47), 43 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) [2022-04-08 09:27:46,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:27:46,466 INFO L93 Difference]: Finished difference Result 58 states and 58 transitions. [2022-04-08 09:27:46,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-04-08 09:27:46,466 INFO L78 Accepts]: Start accepts. Automaton has has 44 states, 44 states have (on average 1.0681818181818181) internal successors, (47), 43 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 [2022-04-08 09:27:46,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 09:27:46,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 44 states have (on average 1.0681818181818181) internal successors, (47), 43 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) [2022-04-08 09:27:46,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 58 transitions. [2022-04-08 09:27:46,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 44 states have (on average 1.0681818181818181) internal successors, (47), 43 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) [2022-04-08 09:27:46,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 58 transitions. [2022-04-08 09:27:46,468 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 44 states and 58 transitions. [2022-04-08 09:27:46,506 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 58 edges. 58 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:27:46,506 INFO L225 Difference]: With dead ends: 58 [2022-04-08 09:27:46,507 INFO L226 Difference]: Without dead ends: 53 [2022-04-08 09:27:46,508 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 62 SyntacticMatches, 1 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 905 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=3857, Invalid=12145, Unknown=0, NotChecked=0, Total=16002 [2022-04-08 09:27:46,508 INFO L913 BasicCegarLoop]: 11 mSDtfsCounter, 6 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 1752 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 1835 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 1752 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-04-08 09:27:46,508 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 123 Invalid, 1835 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 1752 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-04-08 09:27:46,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2022-04-08 09:27:46,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2022-04-08 09:27:46,562 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 09:27:46,562 INFO L82 GeneralOperation]: Start isEquivalent. First operand 53 states. Second operand has 53 states, 48 states have (on average 1.0208333333333333) internal successors, (49), 48 states have internal predecessors, (49), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:27:46,562 INFO L74 IsIncluded]: Start isIncluded. First operand 53 states. Second operand has 53 states, 48 states have (on average 1.0208333333333333) internal successors, (49), 48 states have internal predecessors, (49), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:27:46,562 INFO L87 Difference]: Start difference. First operand 53 states. Second operand has 53 states, 48 states have (on average 1.0208333333333333) internal successors, (49), 48 states have internal predecessors, (49), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:27:46,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:27:46,563 INFO L93 Difference]: Finished difference Result 53 states and 53 transitions. [2022-04-08 09:27:46,563 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 53 transitions. [2022-04-08 09:27:46,563 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:27:46,563 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:27:46,563 INFO L74 IsIncluded]: Start isIncluded. First operand has 53 states, 48 states have (on average 1.0208333333333333) internal successors, (49), 48 states have internal predecessors, (49), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 53 states. [2022-04-08 09:27:46,563 INFO L87 Difference]: Start difference. First operand has 53 states, 48 states have (on average 1.0208333333333333) internal successors, (49), 48 states have internal predecessors, (49), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 53 states. [2022-04-08 09:27:46,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:27:46,564 INFO L93 Difference]: Finished difference Result 53 states and 53 transitions. [2022-04-08 09:27:46,564 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 53 transitions. [2022-04-08 09:27:46,564 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:27:46,564 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:27:46,564 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 09:27:46,564 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 09:27:46,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 48 states have (on average 1.0208333333333333) internal successors, (49), 48 states have internal predecessors, (49), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:27:46,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 53 transitions. [2022-04-08 09:27:46,565 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 53 transitions. Word has length 51 [2022-04-08 09:27:46,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 09:27:46,565 INFO L478 AbstractCegarLoop]: Abstraction has 53 states and 53 transitions. [2022-04-08 09:27:46,565 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 1.0681818181818181) internal successors, (47), 43 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) [2022-04-08 09:27:46,565 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 53 states and 53 transitions. [2022-04-08 09:27:46,604 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 53 edges. 53 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:27:46,604 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 53 transitions. [2022-04-08 09:27:46,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-04-08 09:27:46,605 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 09:27:46,605 INFO L499 BasicCegarLoop]: trace histogram [41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 09:27:46,624 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Forceful destruction successful, exit code 0 [2022-04-08 09:27:46,815 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2022-04-08 09:27:46,815 INFO L403 AbstractCegarLoop]: === Iteration 43 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 09:27:46,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 09:27:46,816 INFO L85 PathProgramCache]: Analyzing trace with hash 1078102390, now seen corresponding path program 81 times [2022-04-08 09:27:46,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 09:27:46,816 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [273628457] [2022-04-08 09:27:46,818 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-08 09:27:46,818 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-08 09:27:46,818 INFO L85 PathProgramCache]: Analyzing trace with hash 1078102390, now seen corresponding path program 82 times [2022-04-08 09:27:46,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 09:27:46,818 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581458822] [2022-04-08 09:27:46,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 09:27:46,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 09:27:46,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:27:48,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-08 09:27:48,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:27:48,012 INFO L290 TraceCheckUtils]: 0: Hoare triple {20024#(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(13, 2);call #Ultimate.allocInit(12, 3); {19977#true} is VALID [2022-04-08 09:27:48,013 INFO L290 TraceCheckUtils]: 1: Hoare triple {19977#true} assume true; {19977#true} is VALID [2022-04-08 09:27:48,013 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {19977#true} {19977#true} #34#return; {19977#true} is VALID [2022-04-08 09:27:48,013 INFO L272 TraceCheckUtils]: 0: Hoare triple {19977#true} call ULTIMATE.init(); {20024#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-08 09:27:48,014 INFO L290 TraceCheckUtils]: 1: Hoare triple {20024#(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(13, 2);call #Ultimate.allocInit(12, 3); {19977#true} is VALID [2022-04-08 09:27:48,014 INFO L290 TraceCheckUtils]: 2: Hoare triple {19977#true} assume true; {19977#true} is VALID [2022-04-08 09:27:48,014 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {19977#true} {19977#true} #34#return; {19977#true} is VALID [2022-04-08 09:27:48,014 INFO L272 TraceCheckUtils]: 4: Hoare triple {19977#true} call #t~ret4 := main(); {19977#true} is VALID [2022-04-08 09:27:48,014 INFO L290 TraceCheckUtils]: 5: Hoare triple {19977#true} ~x~0 := 268435441; {19982#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:27:48,015 INFO L290 TraceCheckUtils]: 6: Hoare triple {19982#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19983#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:27:48,016 INFO L290 TraceCheckUtils]: 7: Hoare triple {19983#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19984#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:27:48,016 INFO L290 TraceCheckUtils]: 8: Hoare triple {19984#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19985#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:27:48,017 INFO L290 TraceCheckUtils]: 9: Hoare triple {19985#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19986#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:27:48,018 INFO L290 TraceCheckUtils]: 10: Hoare triple {19986#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19987#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:27:48,018 INFO L290 TraceCheckUtils]: 11: Hoare triple {19987#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19988#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:27:48,019 INFO L290 TraceCheckUtils]: 12: Hoare triple {19988#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19989#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:27:48,019 INFO L290 TraceCheckUtils]: 13: Hoare triple {19989#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19990#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:27:48,020 INFO L290 TraceCheckUtils]: 14: Hoare triple {19990#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19991#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:27:48,021 INFO L290 TraceCheckUtils]: 15: Hoare triple {19991#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19992#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:27:48,021 INFO L290 TraceCheckUtils]: 16: Hoare triple {19992#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19993#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:27:48,022 INFO L290 TraceCheckUtils]: 17: Hoare triple {19993#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19994#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:27:48,023 INFO L290 TraceCheckUtils]: 18: Hoare triple {19994#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19995#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:27:48,023 INFO L290 TraceCheckUtils]: 19: Hoare triple {19995#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19996#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} is VALID [2022-04-08 09:27:48,024 INFO L290 TraceCheckUtils]: 20: Hoare triple {19996#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19997#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} is VALID [2022-04-08 09:27:48,025 INFO L290 TraceCheckUtils]: 21: Hoare triple {19997#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19998#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} is VALID [2022-04-08 09:27:48,025 INFO L290 TraceCheckUtils]: 22: Hoare triple {19998#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19999#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} is VALID [2022-04-08 09:27:48,026 INFO L290 TraceCheckUtils]: 23: Hoare triple {19999#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20000#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} is VALID [2022-04-08 09:27:48,027 INFO L290 TraceCheckUtils]: 24: Hoare triple {20000#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20001#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} is VALID [2022-04-08 09:27:48,027 INFO L290 TraceCheckUtils]: 25: Hoare triple {20001#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20002#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} is VALID [2022-04-08 09:27:48,028 INFO L290 TraceCheckUtils]: 26: Hoare triple {20002#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20003#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} is VALID [2022-04-08 09:27:48,028 INFO L290 TraceCheckUtils]: 27: Hoare triple {20003#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20004#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} is VALID [2022-04-08 09:27:48,029 INFO L290 TraceCheckUtils]: 28: Hoare triple {20004#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20005#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} is VALID [2022-04-08 09:27:48,030 INFO L290 TraceCheckUtils]: 29: Hoare triple {20005#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20006#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} is VALID [2022-04-08 09:27:48,030 INFO L290 TraceCheckUtils]: 30: Hoare triple {20006#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20007#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} is VALID [2022-04-08 09:27:48,031 INFO L290 TraceCheckUtils]: 31: Hoare triple {20007#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20008#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} is VALID [2022-04-08 09:27:48,032 INFO L290 TraceCheckUtils]: 32: Hoare triple {20008#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20009#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} is VALID [2022-04-08 09:27:48,032 INFO L290 TraceCheckUtils]: 33: Hoare triple {20009#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20010#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} is VALID [2022-04-08 09:27:48,033 INFO L290 TraceCheckUtils]: 34: Hoare triple {20010#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20011#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} is VALID [2022-04-08 09:27:48,034 INFO L290 TraceCheckUtils]: 35: Hoare triple {20011#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20012#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} is VALID [2022-04-08 09:27:48,034 INFO L290 TraceCheckUtils]: 36: Hoare triple {20012#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20013#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} is VALID [2022-04-08 09:27:48,035 INFO L290 TraceCheckUtils]: 37: Hoare triple {20013#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20014#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} is VALID [2022-04-08 09:27:48,035 INFO L290 TraceCheckUtils]: 38: Hoare triple {20014#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20015#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} is VALID [2022-04-08 09:27:48,036 INFO L290 TraceCheckUtils]: 39: Hoare triple {20015#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20016#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} is VALID [2022-04-08 09:27:48,037 INFO L290 TraceCheckUtils]: 40: Hoare triple {20016#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20017#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} is VALID [2022-04-08 09:27:48,037 INFO L290 TraceCheckUtils]: 41: Hoare triple {20017#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20018#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} is VALID [2022-04-08 09:27:48,038 INFO L290 TraceCheckUtils]: 42: Hoare triple {20018#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20019#(and (<= main_~x~0 268435367) (<= 268435367 main_~x~0))} is VALID [2022-04-08 09:27:48,039 INFO L290 TraceCheckUtils]: 43: Hoare triple {20019#(and (<= main_~x~0 268435367) (<= 268435367 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20020#(and (<= 268435365 main_~x~0) (<= main_~x~0 268435365))} is VALID [2022-04-08 09:27:48,039 INFO L290 TraceCheckUtils]: 44: Hoare triple {20020#(and (<= 268435365 main_~x~0) (<= main_~x~0 268435365))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20021#(and (<= 268435363 main_~x~0) (<= main_~x~0 268435363))} is VALID [2022-04-08 09:27:48,040 INFO L290 TraceCheckUtils]: 45: Hoare triple {20021#(and (<= 268435363 main_~x~0) (<= main_~x~0 268435363))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20022#(and (<= main_~x~0 268435361) (<= 268435361 main_~x~0))} is VALID [2022-04-08 09:27:48,040 INFO L290 TraceCheckUtils]: 46: Hoare triple {20022#(and (<= main_~x~0 268435361) (<= 268435361 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20023#(and (<= (div main_~x~0 4294967296) 0) (<= 268435359 main_~x~0))} is VALID [2022-04-08 09:27:48,041 INFO L290 TraceCheckUtils]: 47: Hoare triple {20023#(and (<= (div main_~x~0 4294967296) 0) (<= 268435359 main_~x~0))} assume !(~x~0 % 4294967296 > 1); {19978#false} is VALID [2022-04-08 09:27:48,041 INFO L272 TraceCheckUtils]: 48: Hoare triple {19978#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)); {19978#false} is VALID [2022-04-08 09:27:48,041 INFO L290 TraceCheckUtils]: 49: Hoare triple {19978#false} ~cond := #in~cond; {19978#false} is VALID [2022-04-08 09:27:48,041 INFO L290 TraceCheckUtils]: 50: Hoare triple {19978#false} assume 0 == ~cond; {19978#false} is VALID [2022-04-08 09:27:48,042 INFO L290 TraceCheckUtils]: 51: Hoare triple {19978#false} assume !false; {19978#false} is VALID [2022-04-08 09:27:48,042 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:27:48,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 09:27:48,042 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581458822] [2022-04-08 09:27:48,042 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1581458822] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-08 09:27:48,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1943745421] [2022-04-08 09:27:48,043 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-08 09:27:48,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 09:27:48,043 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 09:27:48,048 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) [2022-04-08 09:27:48,049 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2022-04-08 09:27:48,224 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-08 09:27:48,224 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 09:27:48,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 85 conjunts are in the unsatisfiable core [2022-04-08 09:27:48,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:27:48,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 09:27:48,776 INFO L272 TraceCheckUtils]: 0: Hoare triple {19977#true} call ULTIMATE.init(); {19977#true} is VALID [2022-04-08 09:27:48,776 INFO L290 TraceCheckUtils]: 1: Hoare triple {19977#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(13, 2);call #Ultimate.allocInit(12, 3); {19977#true} is VALID [2022-04-08 09:27:48,777 INFO L290 TraceCheckUtils]: 2: Hoare triple {19977#true} assume true; {19977#true} is VALID [2022-04-08 09:27:48,777 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {19977#true} {19977#true} #34#return; {19977#true} is VALID [2022-04-08 09:27:48,777 INFO L272 TraceCheckUtils]: 4: Hoare triple {19977#true} call #t~ret4 := main(); {19977#true} is VALID [2022-04-08 09:27:48,777 INFO L290 TraceCheckUtils]: 5: Hoare triple {19977#true} ~x~0 := 268435441; {19982#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:27:48,778 INFO L290 TraceCheckUtils]: 6: Hoare triple {19982#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19983#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:27:48,778 INFO L290 TraceCheckUtils]: 7: Hoare triple {19983#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19984#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:27:48,779 INFO L290 TraceCheckUtils]: 8: Hoare triple {19984#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19985#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:27:48,779 INFO L290 TraceCheckUtils]: 9: Hoare triple {19985#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19986#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:27:48,780 INFO L290 TraceCheckUtils]: 10: Hoare triple {19986#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19987#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:27:48,780 INFO L290 TraceCheckUtils]: 11: Hoare triple {19987#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19988#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:27:48,781 INFO L290 TraceCheckUtils]: 12: Hoare triple {19988#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19989#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:27:48,781 INFO L290 TraceCheckUtils]: 13: Hoare triple {19989#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19990#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:27:48,782 INFO L290 TraceCheckUtils]: 14: Hoare triple {19990#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19991#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:27:48,782 INFO L290 TraceCheckUtils]: 15: Hoare triple {19991#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19992#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:27:48,783 INFO L290 TraceCheckUtils]: 16: Hoare triple {19992#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19993#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:27:48,783 INFO L290 TraceCheckUtils]: 17: Hoare triple {19993#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19994#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:27:48,784 INFO L290 TraceCheckUtils]: 18: Hoare triple {19994#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19995#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:27:48,784 INFO L290 TraceCheckUtils]: 19: Hoare triple {19995#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19996#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} is VALID [2022-04-08 09:27:48,785 INFO L290 TraceCheckUtils]: 20: Hoare triple {19996#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19997#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} is VALID [2022-04-08 09:27:48,785 INFO L290 TraceCheckUtils]: 21: Hoare triple {19997#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19998#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} is VALID [2022-04-08 09:27:48,786 INFO L290 TraceCheckUtils]: 22: Hoare triple {19998#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {19999#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} is VALID [2022-04-08 09:27:48,786 INFO L290 TraceCheckUtils]: 23: Hoare triple {19999#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20000#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} is VALID [2022-04-08 09:27:48,787 INFO L290 TraceCheckUtils]: 24: Hoare triple {20000#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20001#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} is VALID [2022-04-08 09:27:48,787 INFO L290 TraceCheckUtils]: 25: Hoare triple {20001#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20002#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} is VALID [2022-04-08 09:27:48,788 INFO L290 TraceCheckUtils]: 26: Hoare triple {20002#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20003#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} is VALID [2022-04-08 09:27:48,788 INFO L290 TraceCheckUtils]: 27: Hoare triple {20003#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20004#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} is VALID [2022-04-08 09:27:48,789 INFO L290 TraceCheckUtils]: 28: Hoare triple {20004#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20005#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} is VALID [2022-04-08 09:27:48,790 INFO L290 TraceCheckUtils]: 29: Hoare triple {20005#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20006#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} is VALID [2022-04-08 09:27:48,790 INFO L290 TraceCheckUtils]: 30: Hoare triple {20006#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20007#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} is VALID [2022-04-08 09:27:48,791 INFO L290 TraceCheckUtils]: 31: Hoare triple {20007#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20008#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} is VALID [2022-04-08 09:27:48,791 INFO L290 TraceCheckUtils]: 32: Hoare triple {20008#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20009#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} is VALID [2022-04-08 09:27:48,792 INFO L290 TraceCheckUtils]: 33: Hoare triple {20009#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20010#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} is VALID [2022-04-08 09:27:48,792 INFO L290 TraceCheckUtils]: 34: Hoare triple {20010#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20011#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} is VALID [2022-04-08 09:27:48,793 INFO L290 TraceCheckUtils]: 35: Hoare triple {20011#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20012#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} is VALID [2022-04-08 09:27:48,793 INFO L290 TraceCheckUtils]: 36: Hoare triple {20012#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20013#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} is VALID [2022-04-08 09:27:48,794 INFO L290 TraceCheckUtils]: 37: Hoare triple {20013#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20014#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} is VALID [2022-04-08 09:27:48,794 INFO L290 TraceCheckUtils]: 38: Hoare triple {20014#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20015#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} is VALID [2022-04-08 09:27:48,795 INFO L290 TraceCheckUtils]: 39: Hoare triple {20015#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20016#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} is VALID [2022-04-08 09:27:48,795 INFO L290 TraceCheckUtils]: 40: Hoare triple {20016#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20017#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} is VALID [2022-04-08 09:27:48,796 INFO L290 TraceCheckUtils]: 41: Hoare triple {20017#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20018#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} is VALID [2022-04-08 09:27:48,796 INFO L290 TraceCheckUtils]: 42: Hoare triple {20018#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20019#(and (<= main_~x~0 268435367) (<= 268435367 main_~x~0))} is VALID [2022-04-08 09:27:48,797 INFO L290 TraceCheckUtils]: 43: Hoare triple {20019#(and (<= main_~x~0 268435367) (<= 268435367 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20020#(and (<= 268435365 main_~x~0) (<= main_~x~0 268435365))} is VALID [2022-04-08 09:27:48,797 INFO L290 TraceCheckUtils]: 44: Hoare triple {20020#(and (<= 268435365 main_~x~0) (<= main_~x~0 268435365))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20021#(and (<= 268435363 main_~x~0) (<= main_~x~0 268435363))} is VALID [2022-04-08 09:27:48,798 INFO L290 TraceCheckUtils]: 45: Hoare triple {20021#(and (<= 268435363 main_~x~0) (<= main_~x~0 268435363))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20022#(and (<= main_~x~0 268435361) (<= 268435361 main_~x~0))} is VALID [2022-04-08 09:27:48,798 INFO L290 TraceCheckUtils]: 46: Hoare triple {20022#(and (<= main_~x~0 268435361) (<= 268435361 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20166#(and (<= main_~x~0 268435359) (<= 268435359 main_~x~0))} is VALID [2022-04-08 09:27:48,799 INFO L290 TraceCheckUtils]: 47: Hoare triple {20166#(and (<= main_~x~0 268435359) (<= 268435359 main_~x~0))} assume !(~x~0 % 4294967296 > 1); {19978#false} is VALID [2022-04-08 09:27:48,799 INFO L272 TraceCheckUtils]: 48: Hoare triple {19978#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)); {19978#false} is VALID [2022-04-08 09:27:48,799 INFO L290 TraceCheckUtils]: 49: Hoare triple {19978#false} ~cond := #in~cond; {19978#false} is VALID [2022-04-08 09:27:48,799 INFO L290 TraceCheckUtils]: 50: Hoare triple {19978#false} assume 0 == ~cond; {19978#false} is VALID [2022-04-08 09:27:48,799 INFO L290 TraceCheckUtils]: 51: Hoare triple {19978#false} assume !false; {19978#false} is VALID [2022-04-08 09:27:48,799 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:27:48,800 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 09:27:51,551 INFO L290 TraceCheckUtils]: 51: Hoare triple {19978#false} assume !false; {19978#false} is VALID [2022-04-08 09:27:51,551 INFO L290 TraceCheckUtils]: 50: Hoare triple {19978#false} assume 0 == ~cond; {19978#false} is VALID [2022-04-08 09:27:51,551 INFO L290 TraceCheckUtils]: 49: Hoare triple {19978#false} ~cond := #in~cond; {19978#false} is VALID [2022-04-08 09:27:51,551 INFO L272 TraceCheckUtils]: 48: Hoare triple {19978#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)); {19978#false} is VALID [2022-04-08 09:27:51,552 INFO L290 TraceCheckUtils]: 47: Hoare triple {20194#(< 1 (mod main_~x~0 4294967296))} assume !(~x~0 % 4294967296 > 1); {19978#false} is VALID [2022-04-08 09:27:51,553 INFO L290 TraceCheckUtils]: 46: Hoare triple {20198#(< 1 (mod (+ main_~x~0 4294967294) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20194#(< 1 (mod main_~x~0 4294967296))} is VALID [2022-04-08 09:27:51,554 INFO L290 TraceCheckUtils]: 45: Hoare triple {20202#(< 1 (mod (+ 4294967292 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20198#(< 1 (mod (+ main_~x~0 4294967294) 4294967296))} is VALID [2022-04-08 09:27:51,554 INFO L290 TraceCheckUtils]: 44: Hoare triple {20206#(< 1 (mod (+ 4294967290 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20202#(< 1 (mod (+ 4294967292 main_~x~0) 4294967296))} is VALID [2022-04-08 09:27:51,555 INFO L290 TraceCheckUtils]: 43: Hoare triple {20210#(< 1 (mod (+ 4294967288 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20206#(< 1 (mod (+ 4294967290 main_~x~0) 4294967296))} is VALID [2022-04-08 09:27:51,555 INFO L290 TraceCheckUtils]: 42: Hoare triple {20214#(< 1 (mod (+ main_~x~0 4294967286) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20210#(< 1 (mod (+ 4294967288 main_~x~0) 4294967296))} is VALID [2022-04-08 09:27:51,556 INFO L290 TraceCheckUtils]: 41: Hoare triple {20218#(< 1 (mod (+ main_~x~0 4294967284) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20214#(< 1 (mod (+ main_~x~0 4294967286) 4294967296))} is VALID [2022-04-08 09:27:51,557 INFO L290 TraceCheckUtils]: 40: Hoare triple {20222#(< 1 (mod (+ 4294967282 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20218#(< 1 (mod (+ main_~x~0 4294967284) 4294967296))} is VALID [2022-04-08 09:27:51,557 INFO L290 TraceCheckUtils]: 39: Hoare triple {20226#(< 1 (mod (+ main_~x~0 4294967280) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20222#(< 1 (mod (+ 4294967282 main_~x~0) 4294967296))} is VALID [2022-04-08 09:27:51,559 INFO L290 TraceCheckUtils]: 38: Hoare triple {20230#(< 1 (mod (+ main_~x~0 4294967278) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20226#(< 1 (mod (+ main_~x~0 4294967280) 4294967296))} is VALID [2022-04-08 09:27:51,559 INFO L290 TraceCheckUtils]: 37: Hoare triple {20234#(< 1 (mod (+ 4294967276 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20230#(< 1 (mod (+ main_~x~0 4294967278) 4294967296))} is VALID [2022-04-08 09:27:51,560 INFO L290 TraceCheckUtils]: 36: Hoare triple {20238#(< 1 (mod (+ 4294967274 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20234#(< 1 (mod (+ 4294967276 main_~x~0) 4294967296))} is VALID [2022-04-08 09:27:51,561 INFO L290 TraceCheckUtils]: 35: Hoare triple {20242#(< 1 (mod (+ 4294967272 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20238#(< 1 (mod (+ 4294967274 main_~x~0) 4294967296))} is VALID [2022-04-08 09:27:51,561 INFO L290 TraceCheckUtils]: 34: Hoare triple {20246#(< 1 (mod (+ main_~x~0 4294967270) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20242#(< 1 (mod (+ 4294967272 main_~x~0) 4294967296))} is VALID [2022-04-08 09:27:51,563 INFO L290 TraceCheckUtils]: 33: Hoare triple {20250#(< 1 (mod (+ main_~x~0 4294967268) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20246#(< 1 (mod (+ main_~x~0 4294967270) 4294967296))} is VALID [2022-04-08 09:27:51,564 INFO L290 TraceCheckUtils]: 32: Hoare triple {20254#(< 1 (mod (+ main_~x~0 4294967266) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20250#(< 1 (mod (+ main_~x~0 4294967268) 4294967296))} is VALID [2022-04-08 09:27:51,565 INFO L290 TraceCheckUtils]: 31: Hoare triple {20258#(< 1 (mod (+ main_~x~0 4294967264) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20254#(< 1 (mod (+ main_~x~0 4294967266) 4294967296))} is VALID [2022-04-08 09:27:51,565 INFO L290 TraceCheckUtils]: 30: Hoare triple {20262#(< 1 (mod (+ main_~x~0 4294967262) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20258#(< 1 (mod (+ main_~x~0 4294967264) 4294967296))} is VALID [2022-04-08 09:27:51,567 INFO L290 TraceCheckUtils]: 29: Hoare triple {20266#(< 1 (mod (+ 4294967260 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20262#(< 1 (mod (+ main_~x~0 4294967262) 4294967296))} is VALID [2022-04-08 09:27:51,567 INFO L290 TraceCheckUtils]: 28: Hoare triple {20270#(< 1 (mod (+ main_~x~0 4294967258) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20266#(< 1 (mod (+ 4294967260 main_~x~0) 4294967296))} is VALID [2022-04-08 09:27:51,568 INFO L290 TraceCheckUtils]: 27: Hoare triple {20274#(< 1 (mod (+ main_~x~0 4294967256) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20270#(< 1 (mod (+ main_~x~0 4294967258) 4294967296))} is VALID [2022-04-08 09:27:51,569 INFO L290 TraceCheckUtils]: 26: Hoare triple {20278#(< 1 (mod (+ 4294967254 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20274#(< 1 (mod (+ main_~x~0 4294967256) 4294967296))} is VALID [2022-04-08 09:27:51,569 INFO L290 TraceCheckUtils]: 25: Hoare triple {20282#(< 1 (mod (+ main_~x~0 4294967252) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20278#(< 1 (mod (+ 4294967254 main_~x~0) 4294967296))} is VALID [2022-04-08 09:27:51,570 INFO L290 TraceCheckUtils]: 24: Hoare triple {20286#(< 1 (mod (+ 4294967250 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20282#(< 1 (mod (+ main_~x~0 4294967252) 4294967296))} is VALID [2022-04-08 09:27:51,571 INFO L290 TraceCheckUtils]: 23: Hoare triple {20290#(< 1 (mod (+ main_~x~0 4294967248) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20286#(< 1 (mod (+ 4294967250 main_~x~0) 4294967296))} is VALID [2022-04-08 09:27:51,573 INFO L290 TraceCheckUtils]: 22: Hoare triple {20294#(< 1 (mod (+ 4294967246 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20290#(< 1 (mod (+ main_~x~0 4294967248) 4294967296))} is VALID [2022-04-08 09:27:51,573 INFO L290 TraceCheckUtils]: 21: Hoare triple {20298#(< 1 (mod (+ main_~x~0 4294967244) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20294#(< 1 (mod (+ 4294967246 main_~x~0) 4294967296))} is VALID [2022-04-08 09:27:51,574 INFO L290 TraceCheckUtils]: 20: Hoare triple {20302#(< 1 (mod (+ main_~x~0 4294967242) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20298#(< 1 (mod (+ main_~x~0 4294967244) 4294967296))} is VALID [2022-04-08 09:27:51,575 INFO L290 TraceCheckUtils]: 19: Hoare triple {20306#(< 1 (mod (+ 4294967240 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20302#(< 1 (mod (+ main_~x~0 4294967242) 4294967296))} is VALID [2022-04-08 09:27:51,575 INFO L290 TraceCheckUtils]: 18: Hoare triple {20310#(< 1 (mod (+ 4294967238 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20306#(< 1 (mod (+ 4294967240 main_~x~0) 4294967296))} is VALID [2022-04-08 09:27:51,576 INFO L290 TraceCheckUtils]: 17: Hoare triple {20314#(< 1 (mod (+ main_~x~0 4294967236) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20310#(< 1 (mod (+ 4294967238 main_~x~0) 4294967296))} is VALID [2022-04-08 09:27:51,576 INFO L290 TraceCheckUtils]: 16: Hoare triple {20318#(< 1 (mod (+ main_~x~0 4294967234) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20314#(< 1 (mod (+ main_~x~0 4294967236) 4294967296))} is VALID [2022-04-08 09:27:51,577 INFO L290 TraceCheckUtils]: 15: Hoare triple {20322#(< 1 (mod (+ main_~x~0 4294967232) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20318#(< 1 (mod (+ main_~x~0 4294967234) 4294967296))} is VALID [2022-04-08 09:27:51,578 INFO L290 TraceCheckUtils]: 14: Hoare triple {20326#(< 1 (mod (+ 4294967230 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20322#(< 1 (mod (+ main_~x~0 4294967232) 4294967296))} is VALID [2022-04-08 09:27:51,579 INFO L290 TraceCheckUtils]: 13: Hoare triple {20330#(< 1 (mod (+ main_~x~0 4294967228) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20326#(< 1 (mod (+ 4294967230 main_~x~0) 4294967296))} is VALID [2022-04-08 09:27:51,580 INFO L290 TraceCheckUtils]: 12: Hoare triple {20334#(< 1 (mod (+ main_~x~0 4294967226) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20330#(< 1 (mod (+ main_~x~0 4294967228) 4294967296))} is VALID [2022-04-08 09:27:51,581 INFO L290 TraceCheckUtils]: 11: Hoare triple {20338#(< 1 (mod (+ 4294967224 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20334#(< 1 (mod (+ main_~x~0 4294967226) 4294967296))} is VALID [2022-04-08 09:27:51,581 INFO L290 TraceCheckUtils]: 10: Hoare triple {20342#(< 1 (mod (+ main_~x~0 4294967222) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20338#(< 1 (mod (+ 4294967224 main_~x~0) 4294967296))} is VALID [2022-04-08 09:27:51,582 INFO L290 TraceCheckUtils]: 9: Hoare triple {20346#(< 1 (mod (+ main_~x~0 4294967220) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20342#(< 1 (mod (+ main_~x~0 4294967222) 4294967296))} is VALID [2022-04-08 09:27:51,583 INFO L290 TraceCheckUtils]: 8: Hoare triple {20350#(< 1 (mod (+ 4294967218 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20346#(< 1 (mod (+ main_~x~0 4294967220) 4294967296))} is VALID [2022-04-08 09:27:51,583 INFO L290 TraceCheckUtils]: 7: Hoare triple {20354#(< 1 (mod (+ 4294967216 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20350#(< 1 (mod (+ 4294967218 main_~x~0) 4294967296))} is VALID [2022-04-08 09:27:51,584 INFO L290 TraceCheckUtils]: 6: Hoare triple {20358#(< 1 (mod (+ main_~x~0 4294967214) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20354#(< 1 (mod (+ 4294967216 main_~x~0) 4294967296))} is VALID [2022-04-08 09:27:51,584 INFO L290 TraceCheckUtils]: 5: Hoare triple {19977#true} ~x~0 := 268435441; {20358#(< 1 (mod (+ main_~x~0 4294967214) 4294967296))} is VALID [2022-04-08 09:27:51,584 INFO L272 TraceCheckUtils]: 4: Hoare triple {19977#true} call #t~ret4 := main(); {19977#true} is VALID [2022-04-08 09:27:51,585 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {19977#true} {19977#true} #34#return; {19977#true} is VALID [2022-04-08 09:27:51,585 INFO L290 TraceCheckUtils]: 2: Hoare triple {19977#true} assume true; {19977#true} is VALID [2022-04-08 09:27:51,585 INFO L290 TraceCheckUtils]: 1: Hoare triple {19977#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(13, 2);call #Ultimate.allocInit(12, 3); {19977#true} is VALID [2022-04-08 09:27:51,585 INFO L272 TraceCheckUtils]: 0: Hoare triple {19977#true} call ULTIMATE.init(); {19977#true} is VALID [2022-04-08 09:27:51,585 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:27:51,585 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1943745421] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-08 09:27:51,585 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-08 09:27:51,586 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 44, 44] total 88 [2022-04-08 09:27:51,586 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 09:27:51,586 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [273628457] [2022-04-08 09:27:51,586 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [273628457] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 09:27:51,586 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 09:27:51,586 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [45] imperfect sequences [] total 45 [2022-04-08 09:27:51,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299159207] [2022-04-08 09:27:51,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 09:27:51,587 INFO L78 Accepts]: Start accepts. Automaton has has 45 states, 45 states have (on average 1.0666666666666667) internal successors, (48), 44 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 [2022-04-08 09:27:51,587 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 09:27:51,587 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 45 states, 45 states have (on average 1.0666666666666667) internal successors, (48), 44 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) [2022-04-08 09:27:51,615 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 52 edges. 52 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:27:51,615 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2022-04-08 09:27:51,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 09:27:51,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2022-04-08 09:27:51,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2021, Invalid=5635, Unknown=0, NotChecked=0, Total=7656 [2022-04-08 09:27:51,616 INFO L87 Difference]: Start difference. First operand 53 states and 53 transitions. Second operand has 45 states, 45 states have (on average 1.0666666666666667) internal successors, (48), 44 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) [2022-04-08 09:27:55,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:27:55,267 INFO L93 Difference]: Finished difference Result 59 states and 59 transitions. [2022-04-08 09:27:55,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-04-08 09:27:55,267 INFO L78 Accepts]: Start accepts. Automaton has has 45 states, 45 states have (on average 1.0666666666666667) internal successors, (48), 44 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 [2022-04-08 09:27:55,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 09:27:55,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 45 states have (on average 1.0666666666666667) internal successors, (48), 44 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) [2022-04-08 09:27:55,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 59 transitions. [2022-04-08 09:27:55,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 45 states have (on average 1.0666666666666667) internal successors, (48), 44 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) [2022-04-08 09:27:55,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 59 transitions. [2022-04-08 09:27:55,269 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 45 states and 59 transitions. [2022-04-08 09:27:55,310 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 59 edges. 59 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:27:55,311 INFO L225 Difference]: With dead ends: 59 [2022-04-08 09:27:55,311 INFO L226 Difference]: Without dead ends: 54 [2022-04-08 09:27:55,312 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 63 SyntacticMatches, 1 SemanticMatches, 128 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 948 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=4035, Invalid=12735, Unknown=0, NotChecked=0, Total=16770 [2022-04-08 09:27:55,312 INFO L913 BasicCegarLoop]: 11 mSDtfsCounter, 6 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 1879 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 1964 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 1879 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-04-08 09:27:55,313 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 168 Invalid, 1964 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 1879 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-04-08 09:27:55,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2022-04-08 09:27:55,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2022-04-08 09:27:55,374 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 09:27:55,374 INFO L82 GeneralOperation]: Start isEquivalent. First operand 54 states. Second operand has 54 states, 49 states have (on average 1.0204081632653061) internal successors, (50), 49 states have internal predecessors, (50), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:27:55,374 INFO L74 IsIncluded]: Start isIncluded. First operand 54 states. Second operand has 54 states, 49 states have (on average 1.0204081632653061) internal successors, (50), 49 states have internal predecessors, (50), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:27:55,375 INFO L87 Difference]: Start difference. First operand 54 states. Second operand has 54 states, 49 states have (on average 1.0204081632653061) internal successors, (50), 49 states have internal predecessors, (50), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:27:55,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:27:55,376 INFO L93 Difference]: Finished difference Result 54 states and 54 transitions. [2022-04-08 09:27:55,376 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 54 transitions. [2022-04-08 09:27:55,376 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:27:55,376 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:27:55,376 INFO L74 IsIncluded]: Start isIncluded. First operand has 54 states, 49 states have (on average 1.0204081632653061) internal successors, (50), 49 states have internal predecessors, (50), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 54 states. [2022-04-08 09:27:55,377 INFO L87 Difference]: Start difference. First operand has 54 states, 49 states have (on average 1.0204081632653061) internal successors, (50), 49 states have internal predecessors, (50), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 54 states. [2022-04-08 09:27:55,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:27:55,377 INFO L93 Difference]: Finished difference Result 54 states and 54 transitions. [2022-04-08 09:27:55,377 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 54 transitions. [2022-04-08 09:27:55,378 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:27:55,378 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:27:55,378 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 09:27:55,378 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 09:27:55,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 49 states have (on average 1.0204081632653061) internal successors, (50), 49 states have internal predecessors, (50), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:27:55,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 54 transitions. [2022-04-08 09:27:55,379 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 54 transitions. Word has length 52 [2022-04-08 09:27:55,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 09:27:55,379 INFO L478 AbstractCegarLoop]: Abstraction has 54 states and 54 transitions. [2022-04-08 09:27:55,379 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 1.0666666666666667) internal successors, (48), 44 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) [2022-04-08 09:27:55,379 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 54 states and 54 transitions. [2022-04-08 09:27:55,430 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 54 edges. 54 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:27:55,430 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 54 transitions. [2022-04-08 09:27:55,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-04-08 09:27:55,431 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 09:27:55,431 INFO L499 BasicCegarLoop]: trace histogram [42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 09:27:55,447 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Forceful destruction successful, exit code 0 [2022-04-08 09:27:55,635 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,42 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 09:27:55,635 INFO L403 AbstractCegarLoop]: === Iteration 44 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 09:27:55,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 09:27:55,636 INFO L85 PathProgramCache]: Analyzing trace with hash -902103012, now seen corresponding path program 83 times [2022-04-08 09:27:55,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 09:27:55,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1278524956] [2022-04-08 09:27:55,638 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-08 09:27:55,638 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-08 09:27:55,638 INFO L85 PathProgramCache]: Analyzing trace with hash -902103012, now seen corresponding path program 84 times [2022-04-08 09:27:55,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 09:27:55,638 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367357981] [2022-04-08 09:27:55,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 09:27:55,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 09:27:55,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:27:56,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-08 09:27:56,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:27:56,677 INFO L290 TraceCheckUtils]: 0: Hoare triple {20845#(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(13, 2);call #Ultimate.allocInit(12, 3); {20797#true} is VALID [2022-04-08 09:27:56,677 INFO L290 TraceCheckUtils]: 1: Hoare triple {20797#true} assume true; {20797#true} is VALID [2022-04-08 09:27:56,677 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {20797#true} {20797#true} #34#return; {20797#true} is VALID [2022-04-08 09:27:56,677 INFO L272 TraceCheckUtils]: 0: Hoare triple {20797#true} call ULTIMATE.init(); {20845#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-08 09:27:56,677 INFO L290 TraceCheckUtils]: 1: Hoare triple {20845#(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(13, 2);call #Ultimate.allocInit(12, 3); {20797#true} is VALID [2022-04-08 09:27:56,678 INFO L290 TraceCheckUtils]: 2: Hoare triple {20797#true} assume true; {20797#true} is VALID [2022-04-08 09:27:56,678 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {20797#true} {20797#true} #34#return; {20797#true} is VALID [2022-04-08 09:27:56,678 INFO L272 TraceCheckUtils]: 4: Hoare triple {20797#true} call #t~ret4 := main(); {20797#true} is VALID [2022-04-08 09:27:56,681 INFO L290 TraceCheckUtils]: 5: Hoare triple {20797#true} ~x~0 := 268435441; {20802#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:27:56,682 INFO L290 TraceCheckUtils]: 6: Hoare triple {20802#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20803#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:27:56,682 INFO L290 TraceCheckUtils]: 7: Hoare triple {20803#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20804#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:27:56,683 INFO L290 TraceCheckUtils]: 8: Hoare triple {20804#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20805#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:27:56,683 INFO L290 TraceCheckUtils]: 9: Hoare triple {20805#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20806#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:27:56,684 INFO L290 TraceCheckUtils]: 10: Hoare triple {20806#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20807#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:27:56,684 INFO L290 TraceCheckUtils]: 11: Hoare triple {20807#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20808#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:27:56,685 INFO L290 TraceCheckUtils]: 12: Hoare triple {20808#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20809#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:27:56,685 INFO L290 TraceCheckUtils]: 13: Hoare triple {20809#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20810#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:27:56,686 INFO L290 TraceCheckUtils]: 14: Hoare triple {20810#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20811#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:27:56,686 INFO L290 TraceCheckUtils]: 15: Hoare triple {20811#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20812#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:27:56,687 INFO L290 TraceCheckUtils]: 16: Hoare triple {20812#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20813#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:27:56,687 INFO L290 TraceCheckUtils]: 17: Hoare triple {20813#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20814#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:27:56,688 INFO L290 TraceCheckUtils]: 18: Hoare triple {20814#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20815#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:27:56,688 INFO L290 TraceCheckUtils]: 19: Hoare triple {20815#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20816#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} is VALID [2022-04-08 09:27:56,689 INFO L290 TraceCheckUtils]: 20: Hoare triple {20816#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20817#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} is VALID [2022-04-08 09:27:56,689 INFO L290 TraceCheckUtils]: 21: Hoare triple {20817#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20818#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} is VALID [2022-04-08 09:27:56,690 INFO L290 TraceCheckUtils]: 22: Hoare triple {20818#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20819#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} is VALID [2022-04-08 09:27:56,690 INFO L290 TraceCheckUtils]: 23: Hoare triple {20819#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20820#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} is VALID [2022-04-08 09:27:56,691 INFO L290 TraceCheckUtils]: 24: Hoare triple {20820#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20821#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} is VALID [2022-04-08 09:27:56,691 INFO L290 TraceCheckUtils]: 25: Hoare triple {20821#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20822#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} is VALID [2022-04-08 09:27:56,692 INFO L290 TraceCheckUtils]: 26: Hoare triple {20822#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20823#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} is VALID [2022-04-08 09:27:56,692 INFO L290 TraceCheckUtils]: 27: Hoare triple {20823#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20824#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} is VALID [2022-04-08 09:27:56,693 INFO L290 TraceCheckUtils]: 28: Hoare triple {20824#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20825#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} is VALID [2022-04-08 09:27:56,693 INFO L290 TraceCheckUtils]: 29: Hoare triple {20825#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20826#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} is VALID [2022-04-08 09:27:56,694 INFO L290 TraceCheckUtils]: 30: Hoare triple {20826#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20827#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} is VALID [2022-04-08 09:27:56,694 INFO L290 TraceCheckUtils]: 31: Hoare triple {20827#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20828#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} is VALID [2022-04-08 09:27:56,695 INFO L290 TraceCheckUtils]: 32: Hoare triple {20828#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20829#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} is VALID [2022-04-08 09:27:56,695 INFO L290 TraceCheckUtils]: 33: Hoare triple {20829#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20830#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} is VALID [2022-04-08 09:27:56,696 INFO L290 TraceCheckUtils]: 34: Hoare triple {20830#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20831#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} is VALID [2022-04-08 09:27:56,696 INFO L290 TraceCheckUtils]: 35: Hoare triple {20831#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20832#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} is VALID [2022-04-08 09:27:56,697 INFO L290 TraceCheckUtils]: 36: Hoare triple {20832#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20833#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} is VALID [2022-04-08 09:27:56,697 INFO L290 TraceCheckUtils]: 37: Hoare triple {20833#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20834#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} is VALID [2022-04-08 09:27:56,698 INFO L290 TraceCheckUtils]: 38: Hoare triple {20834#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20835#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} is VALID [2022-04-08 09:27:56,699 INFO L290 TraceCheckUtils]: 39: Hoare triple {20835#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20836#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} is VALID [2022-04-08 09:27:56,699 INFO L290 TraceCheckUtils]: 40: Hoare triple {20836#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20837#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} is VALID [2022-04-08 09:27:56,700 INFO L290 TraceCheckUtils]: 41: Hoare triple {20837#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20838#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} is VALID [2022-04-08 09:27:56,700 INFO L290 TraceCheckUtils]: 42: Hoare triple {20838#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20839#(and (<= main_~x~0 268435367) (<= 268435367 main_~x~0))} is VALID [2022-04-08 09:27:56,701 INFO L290 TraceCheckUtils]: 43: Hoare triple {20839#(and (<= main_~x~0 268435367) (<= 268435367 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20840#(and (<= 268435365 main_~x~0) (<= main_~x~0 268435365))} is VALID [2022-04-08 09:27:56,701 INFO L290 TraceCheckUtils]: 44: Hoare triple {20840#(and (<= 268435365 main_~x~0) (<= main_~x~0 268435365))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20841#(and (<= 268435363 main_~x~0) (<= main_~x~0 268435363))} is VALID [2022-04-08 09:27:56,702 INFO L290 TraceCheckUtils]: 45: Hoare triple {20841#(and (<= 268435363 main_~x~0) (<= main_~x~0 268435363))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20842#(and (<= main_~x~0 268435361) (<= 268435361 main_~x~0))} is VALID [2022-04-08 09:27:56,702 INFO L290 TraceCheckUtils]: 46: Hoare triple {20842#(and (<= main_~x~0 268435361) (<= 268435361 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20843#(and (<= main_~x~0 268435359) (<= 268435359 main_~x~0))} is VALID [2022-04-08 09:27:56,703 INFO L290 TraceCheckUtils]: 47: Hoare triple {20843#(and (<= main_~x~0 268435359) (<= 268435359 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20844#(and (<= (div main_~x~0 4294967296) 0) (<= 268435357 main_~x~0))} is VALID [2022-04-08 09:27:56,703 INFO L290 TraceCheckUtils]: 48: Hoare triple {20844#(and (<= (div main_~x~0 4294967296) 0) (<= 268435357 main_~x~0))} assume !(~x~0 % 4294967296 > 1); {20798#false} is VALID [2022-04-08 09:27:56,703 INFO L272 TraceCheckUtils]: 49: Hoare triple {20798#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)); {20798#false} is VALID [2022-04-08 09:27:56,703 INFO L290 TraceCheckUtils]: 50: Hoare triple {20798#false} ~cond := #in~cond; {20798#false} is VALID [2022-04-08 09:27:56,703 INFO L290 TraceCheckUtils]: 51: Hoare triple {20798#false} assume 0 == ~cond; {20798#false} is VALID [2022-04-08 09:27:56,703 INFO L290 TraceCheckUtils]: 52: Hoare triple {20798#false} assume !false; {20798#false} is VALID [2022-04-08 09:27:56,704 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:27:56,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 09:27:56,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367357981] [2022-04-08 09:27:56,704 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1367357981] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-08 09:27:56,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1161218636] [2022-04-08 09:27:56,704 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-04-08 09:27:56,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 09:27:56,705 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 09:27:56,740 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) [2022-04-08 09:27:56,741 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2022-04-08 09:27:59,668 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 22 check-sat command(s) [2022-04-08 09:27:59,669 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 09:27:59,673 WARN L261 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 90 conjunts are in the unsatisfiable core [2022-04-08 09:27:59,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:27:59,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 09:28:00,141 INFO L272 TraceCheckUtils]: 0: Hoare triple {20797#true} call ULTIMATE.init(); {20797#true} is VALID [2022-04-08 09:28:00,141 INFO L290 TraceCheckUtils]: 1: Hoare triple {20797#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(13, 2);call #Ultimate.allocInit(12, 3); {20797#true} is VALID [2022-04-08 09:28:00,141 INFO L290 TraceCheckUtils]: 2: Hoare triple {20797#true} assume true; {20797#true} is VALID [2022-04-08 09:28:00,141 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {20797#true} {20797#true} #34#return; {20797#true} is VALID [2022-04-08 09:28:00,141 INFO L272 TraceCheckUtils]: 4: Hoare triple {20797#true} call #t~ret4 := main(); {20797#true} is VALID [2022-04-08 09:28:00,142 INFO L290 TraceCheckUtils]: 5: Hoare triple {20797#true} ~x~0 := 268435441; {20802#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:28:00,142 INFO L290 TraceCheckUtils]: 6: Hoare triple {20802#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20803#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:28:00,143 INFO L290 TraceCheckUtils]: 7: Hoare triple {20803#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20804#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:28:00,143 INFO L290 TraceCheckUtils]: 8: Hoare triple {20804#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20805#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:28:00,144 INFO L290 TraceCheckUtils]: 9: Hoare triple {20805#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20806#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:28:00,144 INFO L290 TraceCheckUtils]: 10: Hoare triple {20806#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20807#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:28:00,145 INFO L290 TraceCheckUtils]: 11: Hoare triple {20807#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20808#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:28:00,145 INFO L290 TraceCheckUtils]: 12: Hoare triple {20808#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20809#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:28:00,146 INFO L290 TraceCheckUtils]: 13: Hoare triple {20809#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20810#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:28:00,146 INFO L290 TraceCheckUtils]: 14: Hoare triple {20810#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20811#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:28:00,147 INFO L290 TraceCheckUtils]: 15: Hoare triple {20811#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20812#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:28:00,147 INFO L290 TraceCheckUtils]: 16: Hoare triple {20812#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20813#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:28:00,148 INFO L290 TraceCheckUtils]: 17: Hoare triple {20813#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20814#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:28:00,148 INFO L290 TraceCheckUtils]: 18: Hoare triple {20814#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20815#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:28:00,149 INFO L290 TraceCheckUtils]: 19: Hoare triple {20815#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20816#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} is VALID [2022-04-08 09:28:00,149 INFO L290 TraceCheckUtils]: 20: Hoare triple {20816#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20817#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} is VALID [2022-04-08 09:28:00,150 INFO L290 TraceCheckUtils]: 21: Hoare triple {20817#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20818#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} is VALID [2022-04-08 09:28:00,150 INFO L290 TraceCheckUtils]: 22: Hoare triple {20818#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20819#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} is VALID [2022-04-08 09:28:00,151 INFO L290 TraceCheckUtils]: 23: Hoare triple {20819#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20820#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} is VALID [2022-04-08 09:28:00,151 INFO L290 TraceCheckUtils]: 24: Hoare triple {20820#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20821#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} is VALID [2022-04-08 09:28:00,152 INFO L290 TraceCheckUtils]: 25: Hoare triple {20821#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20822#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} is VALID [2022-04-08 09:28:00,152 INFO L290 TraceCheckUtils]: 26: Hoare triple {20822#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20823#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} is VALID [2022-04-08 09:28:00,153 INFO L290 TraceCheckUtils]: 27: Hoare triple {20823#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20824#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} is VALID [2022-04-08 09:28:00,153 INFO L290 TraceCheckUtils]: 28: Hoare triple {20824#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20825#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} is VALID [2022-04-08 09:28:00,154 INFO L290 TraceCheckUtils]: 29: Hoare triple {20825#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20826#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} is VALID [2022-04-08 09:28:00,154 INFO L290 TraceCheckUtils]: 30: Hoare triple {20826#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20827#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} is VALID [2022-04-08 09:28:00,155 INFO L290 TraceCheckUtils]: 31: Hoare triple {20827#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20828#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} is VALID [2022-04-08 09:28:00,155 INFO L290 TraceCheckUtils]: 32: Hoare triple {20828#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20829#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} is VALID [2022-04-08 09:28:00,156 INFO L290 TraceCheckUtils]: 33: Hoare triple {20829#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20830#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} is VALID [2022-04-08 09:28:00,156 INFO L290 TraceCheckUtils]: 34: Hoare triple {20830#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20831#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} is VALID [2022-04-08 09:28:00,157 INFO L290 TraceCheckUtils]: 35: Hoare triple {20831#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20832#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} is VALID [2022-04-08 09:28:00,157 INFO L290 TraceCheckUtils]: 36: Hoare triple {20832#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20833#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} is VALID [2022-04-08 09:28:00,158 INFO L290 TraceCheckUtils]: 37: Hoare triple {20833#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20834#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} is VALID [2022-04-08 09:28:00,158 INFO L290 TraceCheckUtils]: 38: Hoare triple {20834#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20835#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} is VALID [2022-04-08 09:28:00,159 INFO L290 TraceCheckUtils]: 39: Hoare triple {20835#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20836#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} is VALID [2022-04-08 09:28:00,160 INFO L290 TraceCheckUtils]: 40: Hoare triple {20836#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20837#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} is VALID [2022-04-08 09:28:00,160 INFO L290 TraceCheckUtils]: 41: Hoare triple {20837#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20838#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} is VALID [2022-04-08 09:28:00,161 INFO L290 TraceCheckUtils]: 42: Hoare triple {20838#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20839#(and (<= main_~x~0 268435367) (<= 268435367 main_~x~0))} is VALID [2022-04-08 09:28:00,161 INFO L290 TraceCheckUtils]: 43: Hoare triple {20839#(and (<= main_~x~0 268435367) (<= 268435367 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20840#(and (<= 268435365 main_~x~0) (<= main_~x~0 268435365))} is VALID [2022-04-08 09:28:00,162 INFO L290 TraceCheckUtils]: 44: Hoare triple {20840#(and (<= 268435365 main_~x~0) (<= main_~x~0 268435365))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20841#(and (<= 268435363 main_~x~0) (<= main_~x~0 268435363))} is VALID [2022-04-08 09:28:00,162 INFO L290 TraceCheckUtils]: 45: Hoare triple {20841#(and (<= 268435363 main_~x~0) (<= main_~x~0 268435363))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20842#(and (<= main_~x~0 268435361) (<= 268435361 main_~x~0))} is VALID [2022-04-08 09:28:00,163 INFO L290 TraceCheckUtils]: 46: Hoare triple {20842#(and (<= main_~x~0 268435361) (<= 268435361 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20843#(and (<= main_~x~0 268435359) (<= 268435359 main_~x~0))} is VALID [2022-04-08 09:28:00,163 INFO L290 TraceCheckUtils]: 47: Hoare triple {20843#(and (<= main_~x~0 268435359) (<= 268435359 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {20990#(and (<= main_~x~0 268435357) (<= 268435357 main_~x~0))} is VALID [2022-04-08 09:28:00,164 INFO L290 TraceCheckUtils]: 48: Hoare triple {20990#(and (<= main_~x~0 268435357) (<= 268435357 main_~x~0))} assume !(~x~0 % 4294967296 > 1); {20798#false} is VALID [2022-04-08 09:28:00,164 INFO L272 TraceCheckUtils]: 49: Hoare triple {20798#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)); {20798#false} is VALID [2022-04-08 09:28:00,164 INFO L290 TraceCheckUtils]: 50: Hoare triple {20798#false} ~cond := #in~cond; {20798#false} is VALID [2022-04-08 09:28:00,164 INFO L290 TraceCheckUtils]: 51: Hoare triple {20798#false} assume 0 == ~cond; {20798#false} is VALID [2022-04-08 09:28:00,164 INFO L290 TraceCheckUtils]: 52: Hoare triple {20798#false} assume !false; {20798#false} is VALID [2022-04-08 09:28:00,164 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:28:00,164 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 09:28:03,968 INFO L290 TraceCheckUtils]: 52: Hoare triple {20798#false} assume !false; {20798#false} is VALID [2022-04-08 09:28:03,968 INFO L290 TraceCheckUtils]: 51: Hoare triple {21009#(not (<= __VERIFIER_assert_~cond 0))} assume 0 == ~cond; {20798#false} is VALID [2022-04-08 09:28:03,968 INFO L290 TraceCheckUtils]: 50: Hoare triple {21013#(< 0 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {21009#(not (<= __VERIFIER_assert_~cond 0))} is VALID [2022-04-08 09:28:03,969 INFO L272 TraceCheckUtils]: 49: Hoare triple {21017#(= (mod main_~x~0 2) 0)} 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)); {21013#(< 0 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-08 09:28:03,969 INFO L290 TraceCheckUtils]: 48: Hoare triple {21021#(or (< 1 (mod main_~x~0 4294967296)) (= (mod main_~x~0 2) 0))} assume !(~x~0 % 4294967296 > 1); {21017#(= (mod main_~x~0 2) 0)} is VALID [2022-04-08 09:28:03,972 INFO L290 TraceCheckUtils]: 47: Hoare triple {21025#(or (< 1 (mod (+ main_~x~0 4294967294) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21021#(or (< 1 (mod main_~x~0 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:28:03,973 INFO L290 TraceCheckUtils]: 46: Hoare triple {21029#(or (< 1 (mod (+ 4294967292 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21025#(or (< 1 (mod (+ main_~x~0 4294967294) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:28:03,974 INFO L290 TraceCheckUtils]: 45: Hoare triple {21033#(or (< 1 (mod (+ 4294967290 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21029#(or (< 1 (mod (+ 4294967292 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:28:03,976 INFO L290 TraceCheckUtils]: 44: Hoare triple {21037#(or (< 1 (mod (+ 4294967288 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21033#(or (< 1 (mod (+ 4294967290 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:28:03,978 INFO L290 TraceCheckUtils]: 43: Hoare triple {21041#(or (< 1 (mod (+ main_~x~0 4294967286) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21037#(or (< 1 (mod (+ 4294967288 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:28:03,979 INFO L290 TraceCheckUtils]: 42: Hoare triple {21045#(or (< 1 (mod (+ main_~x~0 4294967284) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21041#(or (< 1 (mod (+ main_~x~0 4294967286) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:28:03,980 INFO L290 TraceCheckUtils]: 41: Hoare triple {21049#(or (< 1 (mod (+ 4294967282 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21045#(or (< 1 (mod (+ main_~x~0 4294967284) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:28:03,981 INFO L290 TraceCheckUtils]: 40: Hoare triple {21053#(or (< 1 (mod (+ main_~x~0 4294967280) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21049#(or (< 1 (mod (+ 4294967282 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:28:03,982 INFO L290 TraceCheckUtils]: 39: Hoare triple {21057#(or (< 1 (mod (+ main_~x~0 4294967278) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21053#(or (< 1 (mod (+ main_~x~0 4294967280) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:28:03,982 INFO L290 TraceCheckUtils]: 38: Hoare triple {21061#(or (< 1 (mod (+ 4294967276 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21057#(or (< 1 (mod (+ main_~x~0 4294967278) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:28:03,985 INFO L290 TraceCheckUtils]: 37: Hoare triple {21065#(or (< 1 (mod (+ 4294967274 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21061#(or (< 1 (mod (+ 4294967276 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:28:03,986 INFO L290 TraceCheckUtils]: 36: Hoare triple {21069#(or (< 1 (mod (+ 4294967272 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21065#(or (< 1 (mod (+ 4294967274 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:28:03,987 INFO L290 TraceCheckUtils]: 35: Hoare triple {21073#(or (< 1 (mod (+ main_~x~0 4294967270) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21069#(or (< 1 (mod (+ 4294967272 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:28:03,989 INFO L290 TraceCheckUtils]: 34: Hoare triple {21077#(or (< 1 (mod (+ main_~x~0 4294967268) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21073#(or (< 1 (mod (+ main_~x~0 4294967270) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:28:03,990 INFO L290 TraceCheckUtils]: 33: Hoare triple {21081#(or (< 1 (mod (+ main_~x~0 4294967266) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21077#(or (< 1 (mod (+ main_~x~0 4294967268) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:28:03,997 INFO L290 TraceCheckUtils]: 32: Hoare triple {21085#(or (< 1 (mod (+ main_~x~0 4294967264) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21081#(or (< 1 (mod (+ main_~x~0 4294967266) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:28:03,998 INFO L290 TraceCheckUtils]: 31: Hoare triple {21089#(or (< 1 (mod (+ main_~x~0 4294967262) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21085#(or (< 1 (mod (+ main_~x~0 4294967264) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:28:03,999 INFO L290 TraceCheckUtils]: 30: Hoare triple {21093#(or (< 1 (mod (+ 4294967260 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21089#(or (< 1 (mod (+ main_~x~0 4294967262) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:28:03,999 INFO L290 TraceCheckUtils]: 29: Hoare triple {21097#(or (< 1 (mod (+ main_~x~0 4294967258) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21093#(or (< 1 (mod (+ 4294967260 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:28:04,000 INFO L290 TraceCheckUtils]: 28: Hoare triple {21101#(or (< 1 (mod (+ main_~x~0 4294967256) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21097#(or (< 1 (mod (+ main_~x~0 4294967258) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:28:04,001 INFO L290 TraceCheckUtils]: 27: Hoare triple {21105#(or (< 1 (mod (+ 4294967254 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21101#(or (< 1 (mod (+ main_~x~0 4294967256) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:28:04,002 INFO L290 TraceCheckUtils]: 26: Hoare triple {21109#(or (< 1 (mod (+ main_~x~0 4294967252) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21105#(or (< 1 (mod (+ 4294967254 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:28:04,002 INFO L290 TraceCheckUtils]: 25: Hoare triple {21113#(or (< 1 (mod (+ 4294967250 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21109#(or (< 1 (mod (+ main_~x~0 4294967252) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:28:04,003 INFO L290 TraceCheckUtils]: 24: Hoare triple {21117#(or (< 1 (mod (+ main_~x~0 4294967248) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21113#(or (< 1 (mod (+ 4294967250 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:28:04,004 INFO L290 TraceCheckUtils]: 23: Hoare triple {21121#(or (< 1 (mod (+ 4294967246 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21117#(or (< 1 (mod (+ main_~x~0 4294967248) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:28:04,005 INFO L290 TraceCheckUtils]: 22: Hoare triple {21125#(or (< 1 (mod (+ main_~x~0 4294967244) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21121#(or (< 1 (mod (+ 4294967246 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:28:04,005 INFO L290 TraceCheckUtils]: 21: Hoare triple {21129#(or (< 1 (mod (+ main_~x~0 4294967242) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21125#(or (< 1 (mod (+ main_~x~0 4294967244) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:28:04,006 INFO L290 TraceCheckUtils]: 20: Hoare triple {21133#(or (< 1 (mod (+ 4294967240 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21129#(or (< 1 (mod (+ main_~x~0 4294967242) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:28:04,007 INFO L290 TraceCheckUtils]: 19: Hoare triple {21137#(or (< 1 (mod (+ 4294967238 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21133#(or (< 1 (mod (+ 4294967240 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:28:04,008 INFO L290 TraceCheckUtils]: 18: Hoare triple {21141#(or (< 1 (mod (+ main_~x~0 4294967236) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21137#(or (< 1 (mod (+ 4294967238 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:28:04,009 INFO L290 TraceCheckUtils]: 17: Hoare triple {21145#(or (< 1 (mod (+ main_~x~0 4294967234) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21141#(or (< 1 (mod (+ main_~x~0 4294967236) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:28:04,010 INFO L290 TraceCheckUtils]: 16: Hoare triple {21149#(or (< 1 (mod (+ main_~x~0 4294967232) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21145#(or (< 1 (mod (+ main_~x~0 4294967234) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:28:04,011 INFO L290 TraceCheckUtils]: 15: Hoare triple {21153#(or (< 1 (mod (+ 4294967230 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21149#(or (< 1 (mod (+ main_~x~0 4294967232) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:28:04,012 INFO L290 TraceCheckUtils]: 14: Hoare triple {21157#(or (< 1 (mod (+ main_~x~0 4294967228) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21153#(or (< 1 (mod (+ 4294967230 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:28:04,012 INFO L290 TraceCheckUtils]: 13: Hoare triple {21161#(or (< 1 (mod (+ main_~x~0 4294967226) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21157#(or (< 1 (mod (+ main_~x~0 4294967228) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:28:04,013 INFO L290 TraceCheckUtils]: 12: Hoare triple {21165#(or (< 1 (mod (+ 4294967224 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21161#(or (< 1 (mod (+ main_~x~0 4294967226) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:28:04,014 INFO L290 TraceCheckUtils]: 11: Hoare triple {21169#(or (< 1 (mod (+ main_~x~0 4294967222) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21165#(or (< 1 (mod (+ 4294967224 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:28:04,015 INFO L290 TraceCheckUtils]: 10: Hoare triple {21173#(or (< 1 (mod (+ main_~x~0 4294967220) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21169#(or (< 1 (mod (+ main_~x~0 4294967222) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:28:04,016 INFO L290 TraceCheckUtils]: 9: Hoare triple {21177#(or (< 1 (mod (+ 4294967218 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21173#(or (< 1 (mod (+ main_~x~0 4294967220) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:28:04,017 INFO L290 TraceCheckUtils]: 8: Hoare triple {21181#(or (< 1 (mod (+ 4294967216 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21177#(or (< 1 (mod (+ 4294967218 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:28:04,018 INFO L290 TraceCheckUtils]: 7: Hoare triple {21185#(or (< 1 (mod (+ main_~x~0 4294967214) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21181#(or (< 1 (mod (+ 4294967216 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:28:04,022 INFO L290 TraceCheckUtils]: 6: Hoare triple {21189#(or (< 1 (mod (+ 4294967212 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21185#(or (< 1 (mod (+ main_~x~0 4294967214) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:28:04,022 INFO L290 TraceCheckUtils]: 5: Hoare triple {20797#true} ~x~0 := 268435441; {21189#(or (< 1 (mod (+ 4294967212 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:28:04,022 INFO L272 TraceCheckUtils]: 4: Hoare triple {20797#true} call #t~ret4 := main(); {20797#true} is VALID [2022-04-08 09:28:04,022 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {20797#true} {20797#true} #34#return; {20797#true} is VALID [2022-04-08 09:28:04,022 INFO L290 TraceCheckUtils]: 2: Hoare triple {20797#true} assume true; {20797#true} is VALID [2022-04-08 09:28:04,023 INFO L290 TraceCheckUtils]: 1: Hoare triple {20797#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(13, 2);call #Ultimate.allocInit(12, 3); {20797#true} is VALID [2022-04-08 09:28:04,023 INFO L272 TraceCheckUtils]: 0: Hoare triple {20797#true} call ULTIMATE.init(); {20797#true} is VALID [2022-04-08 09:28:04,023 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:28:04,023 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1161218636] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-08 09:28:04,023 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-08 09:28:04,024 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 45, 48] total 93 [2022-04-08 09:28:04,024 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 09:28:04,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1278524956] [2022-04-08 09:28:04,024 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1278524956] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 09:28:04,024 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 09:28:04,024 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [46] imperfect sequences [] total 46 [2022-04-08 09:28:04,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068326348] [2022-04-08 09:28:04,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 09:28:04,024 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 46 states have (on average 1.065217391304348) internal successors, (49), 45 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 [2022-04-08 09:28:04,025 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 09:28:04,025 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 46 states, 46 states have (on average 1.065217391304348) internal successors, (49), 45 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) [2022-04-08 09:28:04,053 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 53 edges. 53 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:28:04,054 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2022-04-08 09:28:04,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 09:28:04,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2022-04-08 09:28:04,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2161, Invalid=6395, Unknown=0, NotChecked=0, Total=8556 [2022-04-08 09:28:04,055 INFO L87 Difference]: Start difference. First operand 54 states and 54 transitions. Second operand has 46 states, 46 states have (on average 1.065217391304348) internal successors, (49), 45 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) [2022-04-08 09:28:07,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:28:07,834 INFO L93 Difference]: Finished difference Result 60 states and 60 transitions. [2022-04-08 09:28:07,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-04-08 09:28:07,835 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 46 states have (on average 1.065217391304348) internal successors, (49), 45 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 [2022-04-08 09:28:07,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 09:28:07,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 46 states have (on average 1.065217391304348) internal successors, (49), 45 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) [2022-04-08 09:28:07,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 60 transitions. [2022-04-08 09:28:07,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 46 states have (on average 1.065217391304348) internal successors, (49), 45 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) [2022-04-08 09:28:07,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 60 transitions. [2022-04-08 09:28:07,837 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 46 states and 60 transitions. [2022-04-08 09:28:07,882 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 60 edges. 60 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:28:07,882 INFO L225 Difference]: With dead ends: 60 [2022-04-08 09:28:07,882 INFO L226 Difference]: Without dead ends: 55 [2022-04-08 09:28:07,883 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 61 SyntacticMatches, 1 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 998 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=4266, Invalid=14094, Unknown=0, NotChecked=0, Total=18360 [2022-04-08 09:28:07,884 INFO L913 BasicCegarLoop]: 11 mSDtfsCounter, 6 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 1913 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 2000 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 1913 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-04-08 09:28:07,884 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 118 Invalid, 2000 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 1913 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-04-08 09:28:07,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2022-04-08 09:28:07,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2022-04-08 09:28:07,947 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 09:28:07,948 INFO L82 GeneralOperation]: Start isEquivalent. First operand 55 states. Second operand has 55 states, 50 states have (on average 1.02) internal successors, (51), 50 states have internal predecessors, (51), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:28:07,948 INFO L74 IsIncluded]: Start isIncluded. First operand 55 states. Second operand has 55 states, 50 states have (on average 1.02) internal successors, (51), 50 states have internal predecessors, (51), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:28:07,948 INFO L87 Difference]: Start difference. First operand 55 states. Second operand has 55 states, 50 states have (on average 1.02) internal successors, (51), 50 states have internal predecessors, (51), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:28:07,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:28:07,949 INFO L93 Difference]: Finished difference Result 55 states and 55 transitions. [2022-04-08 09:28:07,949 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 55 transitions. [2022-04-08 09:28:07,949 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:28:07,949 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:28:07,949 INFO L74 IsIncluded]: Start isIncluded. First operand has 55 states, 50 states have (on average 1.02) internal successors, (51), 50 states have internal predecessors, (51), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 55 states. [2022-04-08 09:28:07,949 INFO L87 Difference]: Start difference. First operand has 55 states, 50 states have (on average 1.02) internal successors, (51), 50 states have internal predecessors, (51), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 55 states. [2022-04-08 09:28:07,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:28:07,950 INFO L93 Difference]: Finished difference Result 55 states and 55 transitions. [2022-04-08 09:28:07,950 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 55 transitions. [2022-04-08 09:28:07,950 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:28:07,950 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:28:07,950 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 09:28:07,950 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 09:28:07,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 50 states have (on average 1.02) internal successors, (51), 50 states have internal predecessors, (51), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:28:07,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 55 transitions. [2022-04-08 09:28:07,951 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 55 transitions. Word has length 53 [2022-04-08 09:28:07,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 09:28:07,951 INFO L478 AbstractCegarLoop]: Abstraction has 55 states and 55 transitions. [2022-04-08 09:28:07,952 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 1.065217391304348) internal successors, (49), 45 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) [2022-04-08 09:28:07,952 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 55 states and 55 transitions. [2022-04-08 09:28:07,998 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 55 edges. 55 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:28:07,998 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 55 transitions. [2022-04-08 09:28:07,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-04-08 09:28:07,998 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 09:28:07,998 INFO L499 BasicCegarLoop]: trace histogram [43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 09:28:08,003 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Forceful destruction successful, exit code 0 [2022-04-08 09:28:08,199 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,43 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 09:28:08,199 INFO L403 AbstractCegarLoop]: === Iteration 45 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 09:28:08,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 09:28:08,199 INFO L85 PathProgramCache]: Analyzing trace with hash 2136038966, now seen corresponding path program 85 times [2022-04-08 09:28:08,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 09:28:08,199 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1360965613] [2022-04-08 09:28:08,202 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-08 09:28:08,202 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-08 09:28:08,202 INFO L85 PathProgramCache]: Analyzing trace with hash 2136038966, now seen corresponding path program 86 times [2022-04-08 09:28:08,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 09:28:08,202 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115114220] [2022-04-08 09:28:08,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 09:28:08,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 09:28:08,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:28:09,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-08 09:28:09,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:28:09,317 INFO L290 TraceCheckUtils]: 0: Hoare triple {21685#(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(13, 2);call #Ultimate.allocInit(12, 3); {21636#true} is VALID [2022-04-08 09:28:09,318 INFO L290 TraceCheckUtils]: 1: Hoare triple {21636#true} assume true; {21636#true} is VALID [2022-04-08 09:28:09,318 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {21636#true} {21636#true} #34#return; {21636#true} is VALID [2022-04-08 09:28:09,318 INFO L272 TraceCheckUtils]: 0: Hoare triple {21636#true} call ULTIMATE.init(); {21685#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-08 09:28:09,318 INFO L290 TraceCheckUtils]: 1: Hoare triple {21685#(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(13, 2);call #Ultimate.allocInit(12, 3); {21636#true} is VALID [2022-04-08 09:28:09,318 INFO L290 TraceCheckUtils]: 2: Hoare triple {21636#true} assume true; {21636#true} is VALID [2022-04-08 09:28:09,319 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {21636#true} {21636#true} #34#return; {21636#true} is VALID [2022-04-08 09:28:09,319 INFO L272 TraceCheckUtils]: 4: Hoare triple {21636#true} call #t~ret4 := main(); {21636#true} is VALID [2022-04-08 09:28:09,319 INFO L290 TraceCheckUtils]: 5: Hoare triple {21636#true} ~x~0 := 268435441; {21641#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:28:09,320 INFO L290 TraceCheckUtils]: 6: Hoare triple {21641#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21642#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:28:09,320 INFO L290 TraceCheckUtils]: 7: Hoare triple {21642#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21643#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:28:09,321 INFO L290 TraceCheckUtils]: 8: Hoare triple {21643#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21644#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:28:09,321 INFO L290 TraceCheckUtils]: 9: Hoare triple {21644#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21645#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:28:09,322 INFO L290 TraceCheckUtils]: 10: Hoare triple {21645#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21646#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:28:09,322 INFO L290 TraceCheckUtils]: 11: Hoare triple {21646#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21647#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:28:09,323 INFO L290 TraceCheckUtils]: 12: Hoare triple {21647#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21648#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:28:09,323 INFO L290 TraceCheckUtils]: 13: Hoare triple {21648#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21649#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:28:09,324 INFO L290 TraceCheckUtils]: 14: Hoare triple {21649#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21650#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:28:09,324 INFO L290 TraceCheckUtils]: 15: Hoare triple {21650#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21651#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:28:09,325 INFO L290 TraceCheckUtils]: 16: Hoare triple {21651#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21652#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:28:09,325 INFO L290 TraceCheckUtils]: 17: Hoare triple {21652#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21653#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:28:09,326 INFO L290 TraceCheckUtils]: 18: Hoare triple {21653#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21654#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:28:09,326 INFO L290 TraceCheckUtils]: 19: Hoare triple {21654#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21655#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} is VALID [2022-04-08 09:28:09,327 INFO L290 TraceCheckUtils]: 20: Hoare triple {21655#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21656#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} is VALID [2022-04-08 09:28:09,327 INFO L290 TraceCheckUtils]: 21: Hoare triple {21656#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21657#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} is VALID [2022-04-08 09:28:09,328 INFO L290 TraceCheckUtils]: 22: Hoare triple {21657#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21658#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} is VALID [2022-04-08 09:28:09,328 INFO L290 TraceCheckUtils]: 23: Hoare triple {21658#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21659#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} is VALID [2022-04-08 09:28:09,329 INFO L290 TraceCheckUtils]: 24: Hoare triple {21659#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21660#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} is VALID [2022-04-08 09:28:09,329 INFO L290 TraceCheckUtils]: 25: Hoare triple {21660#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21661#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} is VALID [2022-04-08 09:28:09,330 INFO L290 TraceCheckUtils]: 26: Hoare triple {21661#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21662#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} is VALID [2022-04-08 09:28:09,330 INFO L290 TraceCheckUtils]: 27: Hoare triple {21662#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21663#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} is VALID [2022-04-08 09:28:09,331 INFO L290 TraceCheckUtils]: 28: Hoare triple {21663#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21664#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} is VALID [2022-04-08 09:28:09,331 INFO L290 TraceCheckUtils]: 29: Hoare triple {21664#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21665#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} is VALID [2022-04-08 09:28:09,332 INFO L290 TraceCheckUtils]: 30: Hoare triple {21665#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21666#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} is VALID [2022-04-08 09:28:09,332 INFO L290 TraceCheckUtils]: 31: Hoare triple {21666#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21667#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} is VALID [2022-04-08 09:28:09,333 INFO L290 TraceCheckUtils]: 32: Hoare triple {21667#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21668#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} is VALID [2022-04-08 09:28:09,333 INFO L290 TraceCheckUtils]: 33: Hoare triple {21668#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21669#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} is VALID [2022-04-08 09:28:09,334 INFO L290 TraceCheckUtils]: 34: Hoare triple {21669#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21670#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} is VALID [2022-04-08 09:28:09,334 INFO L290 TraceCheckUtils]: 35: Hoare triple {21670#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21671#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} is VALID [2022-04-08 09:28:09,335 INFO L290 TraceCheckUtils]: 36: Hoare triple {21671#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21672#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} is VALID [2022-04-08 09:28:09,335 INFO L290 TraceCheckUtils]: 37: Hoare triple {21672#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21673#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} is VALID [2022-04-08 09:28:09,336 INFO L290 TraceCheckUtils]: 38: Hoare triple {21673#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21674#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} is VALID [2022-04-08 09:28:09,336 INFO L290 TraceCheckUtils]: 39: Hoare triple {21674#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21675#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} is VALID [2022-04-08 09:28:09,337 INFO L290 TraceCheckUtils]: 40: Hoare triple {21675#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21676#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} is VALID [2022-04-08 09:28:09,338 INFO L290 TraceCheckUtils]: 41: Hoare triple {21676#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21677#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} is VALID [2022-04-08 09:28:09,338 INFO L290 TraceCheckUtils]: 42: Hoare triple {21677#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21678#(and (<= main_~x~0 268435367) (<= 268435367 main_~x~0))} is VALID [2022-04-08 09:28:09,339 INFO L290 TraceCheckUtils]: 43: Hoare triple {21678#(and (<= main_~x~0 268435367) (<= 268435367 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21679#(and (<= 268435365 main_~x~0) (<= main_~x~0 268435365))} is VALID [2022-04-08 09:28:09,339 INFO L290 TraceCheckUtils]: 44: Hoare triple {21679#(and (<= 268435365 main_~x~0) (<= main_~x~0 268435365))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21680#(and (<= 268435363 main_~x~0) (<= main_~x~0 268435363))} is VALID [2022-04-08 09:28:09,340 INFO L290 TraceCheckUtils]: 45: Hoare triple {21680#(and (<= 268435363 main_~x~0) (<= main_~x~0 268435363))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21681#(and (<= main_~x~0 268435361) (<= 268435361 main_~x~0))} is VALID [2022-04-08 09:28:09,340 INFO L290 TraceCheckUtils]: 46: Hoare triple {21681#(and (<= main_~x~0 268435361) (<= 268435361 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21682#(and (<= main_~x~0 268435359) (<= 268435359 main_~x~0))} is VALID [2022-04-08 09:28:09,341 INFO L290 TraceCheckUtils]: 47: Hoare triple {21682#(and (<= main_~x~0 268435359) (<= 268435359 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21683#(and (<= main_~x~0 268435357) (<= 268435357 main_~x~0))} is VALID [2022-04-08 09:28:09,341 INFO L290 TraceCheckUtils]: 48: Hoare triple {21683#(and (<= main_~x~0 268435357) (<= 268435357 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21684#(and (<= (div main_~x~0 4294967296) 0) (<= 268435355 main_~x~0))} is VALID [2022-04-08 09:28:09,342 INFO L290 TraceCheckUtils]: 49: Hoare triple {21684#(and (<= (div main_~x~0 4294967296) 0) (<= 268435355 main_~x~0))} assume !(~x~0 % 4294967296 > 1); {21637#false} is VALID [2022-04-08 09:28:09,342 INFO L272 TraceCheckUtils]: 50: Hoare triple {21637#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)); {21637#false} is VALID [2022-04-08 09:28:09,342 INFO L290 TraceCheckUtils]: 51: Hoare triple {21637#false} ~cond := #in~cond; {21637#false} is VALID [2022-04-08 09:28:09,342 INFO L290 TraceCheckUtils]: 52: Hoare triple {21637#false} assume 0 == ~cond; {21637#false} is VALID [2022-04-08 09:28:09,342 INFO L290 TraceCheckUtils]: 53: Hoare triple {21637#false} assume !false; {21637#false} is VALID [2022-04-08 09:28:09,342 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:28:09,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 09:28:09,343 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115114220] [2022-04-08 09:28:09,343 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115114220] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-08 09:28:09,343 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [90626064] [2022-04-08 09:28:09,343 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-08 09:28:09,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 09:28:09,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 09:28:09,345 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) [2022-04-08 09:28:09,346 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2022-04-08 09:28:09,413 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-08 09:28:09,413 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 09:28:09,414 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 89 conjunts are in the unsatisfiable core [2022-04-08 09:28:09,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:28:09,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 09:28:09,988 INFO L272 TraceCheckUtils]: 0: Hoare triple {21636#true} call ULTIMATE.init(); {21636#true} is VALID [2022-04-08 09:28:09,988 INFO L290 TraceCheckUtils]: 1: Hoare triple {21636#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(13, 2);call #Ultimate.allocInit(12, 3); {21636#true} is VALID [2022-04-08 09:28:09,988 INFO L290 TraceCheckUtils]: 2: Hoare triple {21636#true} assume true; {21636#true} is VALID [2022-04-08 09:28:09,988 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {21636#true} {21636#true} #34#return; {21636#true} is VALID [2022-04-08 09:28:09,988 INFO L272 TraceCheckUtils]: 4: Hoare triple {21636#true} call #t~ret4 := main(); {21636#true} is VALID [2022-04-08 09:28:09,988 INFO L290 TraceCheckUtils]: 5: Hoare triple {21636#true} ~x~0 := 268435441; {21641#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:28:09,989 INFO L290 TraceCheckUtils]: 6: Hoare triple {21641#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21642#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:28:09,990 INFO L290 TraceCheckUtils]: 7: Hoare triple {21642#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21643#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:28:09,990 INFO L290 TraceCheckUtils]: 8: Hoare triple {21643#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21644#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:28:09,991 INFO L290 TraceCheckUtils]: 9: Hoare triple {21644#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21645#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:28:09,991 INFO L290 TraceCheckUtils]: 10: Hoare triple {21645#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21646#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:28:09,992 INFO L290 TraceCheckUtils]: 11: Hoare triple {21646#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21647#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:28:09,992 INFO L290 TraceCheckUtils]: 12: Hoare triple {21647#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21648#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:28:09,993 INFO L290 TraceCheckUtils]: 13: Hoare triple {21648#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21649#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:28:09,993 INFO L290 TraceCheckUtils]: 14: Hoare triple {21649#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21650#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:28:09,994 INFO L290 TraceCheckUtils]: 15: Hoare triple {21650#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21651#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:28:09,994 INFO L290 TraceCheckUtils]: 16: Hoare triple {21651#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21652#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:28:09,995 INFO L290 TraceCheckUtils]: 17: Hoare triple {21652#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21653#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:28:09,995 INFO L290 TraceCheckUtils]: 18: Hoare triple {21653#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21654#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:28:09,996 INFO L290 TraceCheckUtils]: 19: Hoare triple {21654#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21655#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} is VALID [2022-04-08 09:28:09,996 INFO L290 TraceCheckUtils]: 20: Hoare triple {21655#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21656#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} is VALID [2022-04-08 09:28:09,997 INFO L290 TraceCheckUtils]: 21: Hoare triple {21656#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21657#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} is VALID [2022-04-08 09:28:09,997 INFO L290 TraceCheckUtils]: 22: Hoare triple {21657#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21658#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} is VALID [2022-04-08 09:28:09,998 INFO L290 TraceCheckUtils]: 23: Hoare triple {21658#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21659#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} is VALID [2022-04-08 09:28:09,998 INFO L290 TraceCheckUtils]: 24: Hoare triple {21659#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21660#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} is VALID [2022-04-08 09:28:09,999 INFO L290 TraceCheckUtils]: 25: Hoare triple {21660#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21661#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} is VALID [2022-04-08 09:28:09,999 INFO L290 TraceCheckUtils]: 26: Hoare triple {21661#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21662#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} is VALID [2022-04-08 09:28:10,000 INFO L290 TraceCheckUtils]: 27: Hoare triple {21662#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21663#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} is VALID [2022-04-08 09:28:10,000 INFO L290 TraceCheckUtils]: 28: Hoare triple {21663#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21664#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} is VALID [2022-04-08 09:28:10,001 INFO L290 TraceCheckUtils]: 29: Hoare triple {21664#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21665#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} is VALID [2022-04-08 09:28:10,001 INFO L290 TraceCheckUtils]: 30: Hoare triple {21665#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21666#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} is VALID [2022-04-08 09:28:10,002 INFO L290 TraceCheckUtils]: 31: Hoare triple {21666#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21667#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} is VALID [2022-04-08 09:28:10,002 INFO L290 TraceCheckUtils]: 32: Hoare triple {21667#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21668#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} is VALID [2022-04-08 09:28:10,003 INFO L290 TraceCheckUtils]: 33: Hoare triple {21668#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21669#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} is VALID [2022-04-08 09:28:10,004 INFO L290 TraceCheckUtils]: 34: Hoare triple {21669#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21670#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} is VALID [2022-04-08 09:28:10,004 INFO L290 TraceCheckUtils]: 35: Hoare triple {21670#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21671#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} is VALID [2022-04-08 09:28:10,005 INFO L290 TraceCheckUtils]: 36: Hoare triple {21671#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21672#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} is VALID [2022-04-08 09:28:10,005 INFO L290 TraceCheckUtils]: 37: Hoare triple {21672#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21673#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} is VALID [2022-04-08 09:28:10,006 INFO L290 TraceCheckUtils]: 38: Hoare triple {21673#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21674#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} is VALID [2022-04-08 09:28:10,006 INFO L290 TraceCheckUtils]: 39: Hoare triple {21674#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21675#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} is VALID [2022-04-08 09:28:10,007 INFO L290 TraceCheckUtils]: 40: Hoare triple {21675#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21676#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} is VALID [2022-04-08 09:28:10,007 INFO L290 TraceCheckUtils]: 41: Hoare triple {21676#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21677#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} is VALID [2022-04-08 09:28:10,008 INFO L290 TraceCheckUtils]: 42: Hoare triple {21677#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21678#(and (<= main_~x~0 268435367) (<= 268435367 main_~x~0))} is VALID [2022-04-08 09:28:10,008 INFO L290 TraceCheckUtils]: 43: Hoare triple {21678#(and (<= main_~x~0 268435367) (<= 268435367 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21679#(and (<= 268435365 main_~x~0) (<= main_~x~0 268435365))} is VALID [2022-04-08 09:28:10,009 INFO L290 TraceCheckUtils]: 44: Hoare triple {21679#(and (<= 268435365 main_~x~0) (<= main_~x~0 268435365))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21680#(and (<= 268435363 main_~x~0) (<= main_~x~0 268435363))} is VALID [2022-04-08 09:28:10,009 INFO L290 TraceCheckUtils]: 45: Hoare triple {21680#(and (<= 268435363 main_~x~0) (<= main_~x~0 268435363))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21681#(and (<= main_~x~0 268435361) (<= 268435361 main_~x~0))} is VALID [2022-04-08 09:28:10,010 INFO L290 TraceCheckUtils]: 46: Hoare triple {21681#(and (<= main_~x~0 268435361) (<= 268435361 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21682#(and (<= main_~x~0 268435359) (<= 268435359 main_~x~0))} is VALID [2022-04-08 09:28:10,010 INFO L290 TraceCheckUtils]: 47: Hoare triple {21682#(and (<= main_~x~0 268435359) (<= 268435359 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21683#(and (<= main_~x~0 268435357) (<= 268435357 main_~x~0))} is VALID [2022-04-08 09:28:10,011 INFO L290 TraceCheckUtils]: 48: Hoare triple {21683#(and (<= main_~x~0 268435357) (<= 268435357 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21833#(and (<= main_~x~0 268435355) (<= 268435355 main_~x~0))} is VALID [2022-04-08 09:28:10,011 INFO L290 TraceCheckUtils]: 49: Hoare triple {21833#(and (<= main_~x~0 268435355) (<= 268435355 main_~x~0))} assume !(~x~0 % 4294967296 > 1); {21637#false} is VALID [2022-04-08 09:28:10,011 INFO L272 TraceCheckUtils]: 50: Hoare triple {21637#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)); {21637#false} is VALID [2022-04-08 09:28:10,011 INFO L290 TraceCheckUtils]: 51: Hoare triple {21637#false} ~cond := #in~cond; {21637#false} is VALID [2022-04-08 09:28:10,011 INFO L290 TraceCheckUtils]: 52: Hoare triple {21637#false} assume 0 == ~cond; {21637#false} is VALID [2022-04-08 09:28:10,012 INFO L290 TraceCheckUtils]: 53: Hoare triple {21637#false} assume !false; {21637#false} is VALID [2022-04-08 09:28:10,012 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:28:10,012 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 09:28:13,019 INFO L290 TraceCheckUtils]: 53: Hoare triple {21637#false} assume !false; {21637#false} is VALID [2022-04-08 09:28:13,019 INFO L290 TraceCheckUtils]: 52: Hoare triple {21637#false} assume 0 == ~cond; {21637#false} is VALID [2022-04-08 09:28:13,020 INFO L290 TraceCheckUtils]: 51: Hoare triple {21637#false} ~cond := #in~cond; {21637#false} is VALID [2022-04-08 09:28:13,020 INFO L272 TraceCheckUtils]: 50: Hoare triple {21637#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)); {21637#false} is VALID [2022-04-08 09:28:13,020 INFO L290 TraceCheckUtils]: 49: Hoare triple {21861#(< 1 (mod main_~x~0 4294967296))} assume !(~x~0 % 4294967296 > 1); {21637#false} is VALID [2022-04-08 09:28:13,021 INFO L290 TraceCheckUtils]: 48: Hoare triple {21865#(< 1 (mod (+ main_~x~0 4294967294) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21861#(< 1 (mod main_~x~0 4294967296))} is VALID [2022-04-08 09:28:13,022 INFO L290 TraceCheckUtils]: 47: Hoare triple {21869#(< 1 (mod (+ 4294967292 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21865#(< 1 (mod (+ main_~x~0 4294967294) 4294967296))} is VALID [2022-04-08 09:28:13,022 INFO L290 TraceCheckUtils]: 46: Hoare triple {21873#(< 1 (mod (+ 4294967290 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21869#(< 1 (mod (+ 4294967292 main_~x~0) 4294967296))} is VALID [2022-04-08 09:28:13,023 INFO L290 TraceCheckUtils]: 45: Hoare triple {21877#(< 1 (mod (+ 4294967288 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21873#(< 1 (mod (+ 4294967290 main_~x~0) 4294967296))} is VALID [2022-04-08 09:28:13,023 INFO L290 TraceCheckUtils]: 44: Hoare triple {21881#(< 1 (mod (+ main_~x~0 4294967286) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21877#(< 1 (mod (+ 4294967288 main_~x~0) 4294967296))} is VALID [2022-04-08 09:28:13,024 INFO L290 TraceCheckUtils]: 43: Hoare triple {21885#(< 1 (mod (+ main_~x~0 4294967284) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21881#(< 1 (mod (+ main_~x~0 4294967286) 4294967296))} is VALID [2022-04-08 09:28:13,025 INFO L290 TraceCheckUtils]: 42: Hoare triple {21889#(< 1 (mod (+ 4294967282 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21885#(< 1 (mod (+ main_~x~0 4294967284) 4294967296))} is VALID [2022-04-08 09:28:13,025 INFO L290 TraceCheckUtils]: 41: Hoare triple {21893#(< 1 (mod (+ main_~x~0 4294967280) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21889#(< 1 (mod (+ 4294967282 main_~x~0) 4294967296))} is VALID [2022-04-08 09:28:13,026 INFO L290 TraceCheckUtils]: 40: Hoare triple {21897#(< 1 (mod (+ main_~x~0 4294967278) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21893#(< 1 (mod (+ main_~x~0 4294967280) 4294967296))} is VALID [2022-04-08 09:28:13,027 INFO L290 TraceCheckUtils]: 39: Hoare triple {21901#(< 1 (mod (+ 4294967276 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21897#(< 1 (mod (+ main_~x~0 4294967278) 4294967296))} is VALID [2022-04-08 09:28:13,027 INFO L290 TraceCheckUtils]: 38: Hoare triple {21905#(< 1 (mod (+ 4294967274 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21901#(< 1 (mod (+ 4294967276 main_~x~0) 4294967296))} is VALID [2022-04-08 09:28:13,028 INFO L290 TraceCheckUtils]: 37: Hoare triple {21909#(< 1 (mod (+ 4294967272 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21905#(< 1 (mod (+ 4294967274 main_~x~0) 4294967296))} is VALID [2022-04-08 09:28:13,029 INFO L290 TraceCheckUtils]: 36: Hoare triple {21913#(< 1 (mod (+ main_~x~0 4294967270) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21909#(< 1 (mod (+ 4294967272 main_~x~0) 4294967296))} is VALID [2022-04-08 09:28:13,029 INFO L290 TraceCheckUtils]: 35: Hoare triple {21917#(< 1 (mod (+ main_~x~0 4294967268) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21913#(< 1 (mod (+ main_~x~0 4294967270) 4294967296))} is VALID [2022-04-08 09:28:13,030 INFO L290 TraceCheckUtils]: 34: Hoare triple {21921#(< 1 (mod (+ main_~x~0 4294967266) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21917#(< 1 (mod (+ main_~x~0 4294967268) 4294967296))} is VALID [2022-04-08 09:28:13,030 INFO L290 TraceCheckUtils]: 33: Hoare triple {21925#(< 1 (mod (+ main_~x~0 4294967264) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21921#(< 1 (mod (+ main_~x~0 4294967266) 4294967296))} is VALID [2022-04-08 09:28:13,031 INFO L290 TraceCheckUtils]: 32: Hoare triple {21929#(< 1 (mod (+ main_~x~0 4294967262) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21925#(< 1 (mod (+ main_~x~0 4294967264) 4294967296))} is VALID [2022-04-08 09:28:13,032 INFO L290 TraceCheckUtils]: 31: Hoare triple {21933#(< 1 (mod (+ 4294967260 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21929#(< 1 (mod (+ main_~x~0 4294967262) 4294967296))} is VALID [2022-04-08 09:28:13,032 INFO L290 TraceCheckUtils]: 30: Hoare triple {21937#(< 1 (mod (+ main_~x~0 4294967258) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21933#(< 1 (mod (+ 4294967260 main_~x~0) 4294967296))} is VALID [2022-04-08 09:28:13,033 INFO L290 TraceCheckUtils]: 29: Hoare triple {21941#(< 1 (mod (+ main_~x~0 4294967256) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21937#(< 1 (mod (+ main_~x~0 4294967258) 4294967296))} is VALID [2022-04-08 09:28:13,034 INFO L290 TraceCheckUtils]: 28: Hoare triple {21945#(< 1 (mod (+ 4294967254 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21941#(< 1 (mod (+ main_~x~0 4294967256) 4294967296))} is VALID [2022-04-08 09:28:13,034 INFO L290 TraceCheckUtils]: 27: Hoare triple {21949#(< 1 (mod (+ main_~x~0 4294967252) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21945#(< 1 (mod (+ 4294967254 main_~x~0) 4294967296))} is VALID [2022-04-08 09:28:13,041 INFO L290 TraceCheckUtils]: 26: Hoare triple {21953#(< 1 (mod (+ 4294967250 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21949#(< 1 (mod (+ main_~x~0 4294967252) 4294967296))} is VALID [2022-04-08 09:28:13,041 INFO L290 TraceCheckUtils]: 25: Hoare triple {21957#(< 1 (mod (+ main_~x~0 4294967248) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21953#(< 1 (mod (+ 4294967250 main_~x~0) 4294967296))} is VALID [2022-04-08 09:28:13,042 INFO L290 TraceCheckUtils]: 24: Hoare triple {21961#(< 1 (mod (+ 4294967246 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21957#(< 1 (mod (+ main_~x~0 4294967248) 4294967296))} is VALID [2022-04-08 09:28:13,043 INFO L290 TraceCheckUtils]: 23: Hoare triple {21965#(< 1 (mod (+ main_~x~0 4294967244) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21961#(< 1 (mod (+ 4294967246 main_~x~0) 4294967296))} is VALID [2022-04-08 09:28:13,043 INFO L290 TraceCheckUtils]: 22: Hoare triple {21969#(< 1 (mod (+ main_~x~0 4294967242) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21965#(< 1 (mod (+ main_~x~0 4294967244) 4294967296))} is VALID [2022-04-08 09:28:13,044 INFO L290 TraceCheckUtils]: 21: Hoare triple {21973#(< 1 (mod (+ 4294967240 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21969#(< 1 (mod (+ main_~x~0 4294967242) 4294967296))} is VALID [2022-04-08 09:28:13,045 INFO L290 TraceCheckUtils]: 20: Hoare triple {21977#(< 1 (mod (+ 4294967238 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21973#(< 1 (mod (+ 4294967240 main_~x~0) 4294967296))} is VALID [2022-04-08 09:28:13,045 INFO L290 TraceCheckUtils]: 19: Hoare triple {21981#(< 1 (mod (+ main_~x~0 4294967236) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21977#(< 1 (mod (+ 4294967238 main_~x~0) 4294967296))} is VALID [2022-04-08 09:28:13,046 INFO L290 TraceCheckUtils]: 18: Hoare triple {21985#(< 1 (mod (+ main_~x~0 4294967234) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21981#(< 1 (mod (+ main_~x~0 4294967236) 4294967296))} is VALID [2022-04-08 09:28:13,047 INFO L290 TraceCheckUtils]: 17: Hoare triple {21989#(< 1 (mod (+ main_~x~0 4294967232) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21985#(< 1 (mod (+ main_~x~0 4294967234) 4294967296))} is VALID [2022-04-08 09:28:13,048 INFO L290 TraceCheckUtils]: 16: Hoare triple {21993#(< 1 (mod (+ 4294967230 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21989#(< 1 (mod (+ main_~x~0 4294967232) 4294967296))} is VALID [2022-04-08 09:28:13,054 INFO L290 TraceCheckUtils]: 15: Hoare triple {21997#(< 1 (mod (+ main_~x~0 4294967228) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21993#(< 1 (mod (+ 4294967230 main_~x~0) 4294967296))} is VALID [2022-04-08 09:28:13,055 INFO L290 TraceCheckUtils]: 14: Hoare triple {22001#(< 1 (mod (+ main_~x~0 4294967226) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {21997#(< 1 (mod (+ main_~x~0 4294967228) 4294967296))} is VALID [2022-04-08 09:28:13,056 INFO L290 TraceCheckUtils]: 13: Hoare triple {22005#(< 1 (mod (+ 4294967224 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22001#(< 1 (mod (+ main_~x~0 4294967226) 4294967296))} is VALID [2022-04-08 09:28:13,057 INFO L290 TraceCheckUtils]: 12: Hoare triple {22009#(< 1 (mod (+ main_~x~0 4294967222) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22005#(< 1 (mod (+ 4294967224 main_~x~0) 4294967296))} is VALID [2022-04-08 09:28:13,057 INFO L290 TraceCheckUtils]: 11: Hoare triple {22013#(< 1 (mod (+ main_~x~0 4294967220) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22009#(< 1 (mod (+ main_~x~0 4294967222) 4294967296))} is VALID [2022-04-08 09:28:13,058 INFO L290 TraceCheckUtils]: 10: Hoare triple {22017#(< 1 (mod (+ 4294967218 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22013#(< 1 (mod (+ main_~x~0 4294967220) 4294967296))} is VALID [2022-04-08 09:28:13,059 INFO L290 TraceCheckUtils]: 9: Hoare triple {22021#(< 1 (mod (+ 4294967216 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22017#(< 1 (mod (+ 4294967218 main_~x~0) 4294967296))} is VALID [2022-04-08 09:28:13,059 INFO L290 TraceCheckUtils]: 8: Hoare triple {22025#(< 1 (mod (+ main_~x~0 4294967214) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22021#(< 1 (mod (+ 4294967216 main_~x~0) 4294967296))} is VALID [2022-04-08 09:28:13,060 INFO L290 TraceCheckUtils]: 7: Hoare triple {22029#(< 1 (mod (+ 4294967212 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22025#(< 1 (mod (+ main_~x~0 4294967214) 4294967296))} is VALID [2022-04-08 09:28:13,060 INFO L290 TraceCheckUtils]: 6: Hoare triple {22033#(< 1 (mod (+ 4294967210 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22029#(< 1 (mod (+ 4294967212 main_~x~0) 4294967296))} is VALID [2022-04-08 09:28:13,061 INFO L290 TraceCheckUtils]: 5: Hoare triple {21636#true} ~x~0 := 268435441; {22033#(< 1 (mod (+ 4294967210 main_~x~0) 4294967296))} is VALID [2022-04-08 09:28:13,061 INFO L272 TraceCheckUtils]: 4: Hoare triple {21636#true} call #t~ret4 := main(); {21636#true} is VALID [2022-04-08 09:28:13,061 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {21636#true} {21636#true} #34#return; {21636#true} is VALID [2022-04-08 09:28:13,061 INFO L290 TraceCheckUtils]: 2: Hoare triple {21636#true} assume true; {21636#true} is VALID [2022-04-08 09:28:13,061 INFO L290 TraceCheckUtils]: 1: Hoare triple {21636#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(13, 2);call #Ultimate.allocInit(12, 3); {21636#true} is VALID [2022-04-08 09:28:13,061 INFO L272 TraceCheckUtils]: 0: Hoare triple {21636#true} call ULTIMATE.init(); {21636#true} is VALID [2022-04-08 09:28:13,062 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:28:13,062 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [90626064] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-08 09:28:13,062 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-08 09:28:13,062 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 46, 46] total 92 [2022-04-08 09:28:13,062 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 09:28:13,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1360965613] [2022-04-08 09:28:13,062 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1360965613] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 09:28:13,063 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 09:28:13,063 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [47] imperfect sequences [] total 47 [2022-04-08 09:28:13,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453398578] [2022-04-08 09:28:13,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 09:28:13,063 INFO L78 Accepts]: Start accepts. Automaton has has 47 states, 47 states have (on average 1.0638297872340425) internal successors, (50), 46 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 [2022-04-08 09:28:13,063 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 09:28:13,063 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 47 states, 47 states have (on average 1.0638297872340425) internal successors, (50), 46 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) [2022-04-08 09:28:13,093 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 54 edges. 54 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:28:13,093 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2022-04-08 09:28:13,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 09:28:13,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2022-04-08 09:28:13,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2205, Invalid=6167, Unknown=0, NotChecked=0, Total=8372 [2022-04-08 09:28:13,094 INFO L87 Difference]: Start difference. First operand 55 states and 55 transitions. Second operand has 47 states, 47 states have (on average 1.0638297872340425) internal successors, (50), 46 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) [2022-04-08 09:28:16,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:28:16,925 INFO L93 Difference]: Finished difference Result 61 states and 61 transitions. [2022-04-08 09:28:16,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-04-08 09:28:16,925 INFO L78 Accepts]: Start accepts. Automaton has has 47 states, 47 states have (on average 1.0638297872340425) internal successors, (50), 46 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 [2022-04-08 09:28:16,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 09:28:16,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 47 states have (on average 1.0638297872340425) internal successors, (50), 46 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) [2022-04-08 09:28:16,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 61 transitions. [2022-04-08 09:28:16,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 47 states have (on average 1.0638297872340425) internal successors, (50), 46 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) [2022-04-08 09:28:16,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 61 transitions. [2022-04-08 09:28:16,926 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 47 states and 61 transitions. [2022-04-08 09:28:16,965 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 61 edges. 61 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:28:16,967 INFO L225 Difference]: With dead ends: 61 [2022-04-08 09:28:16,967 INFO L226 Difference]: Without dead ends: 56 [2022-04-08 09:28:16,968 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 65 SyntacticMatches, 1 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1037 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=4403, Invalid=13957, Unknown=0, NotChecked=0, Total=18360 [2022-04-08 09:28:16,971 INFO L913 BasicCegarLoop]: 11 mSDtfsCounter, 6 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 1959 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 2048 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 1959 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-04-08 09:28:16,972 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 78 Invalid, 2048 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 1959 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-04-08 09:28:16,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2022-04-08 09:28:17,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2022-04-08 09:28:17,041 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 09:28:17,041 INFO L82 GeneralOperation]: Start isEquivalent. First operand 56 states. Second operand has 56 states, 51 states have (on average 1.0196078431372548) internal successors, (52), 51 states have internal predecessors, (52), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:28:17,042 INFO L74 IsIncluded]: Start isIncluded. First operand 56 states. Second operand has 56 states, 51 states have (on average 1.0196078431372548) internal successors, (52), 51 states have internal predecessors, (52), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:28:17,042 INFO L87 Difference]: Start difference. First operand 56 states. Second operand has 56 states, 51 states have (on average 1.0196078431372548) internal successors, (52), 51 states have internal predecessors, (52), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:28:17,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:28:17,043 INFO L93 Difference]: Finished difference Result 56 states and 56 transitions. [2022-04-08 09:28:17,043 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 56 transitions. [2022-04-08 09:28:17,043 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:28:17,043 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:28:17,043 INFO L74 IsIncluded]: Start isIncluded. First operand has 56 states, 51 states have (on average 1.0196078431372548) internal successors, (52), 51 states have internal predecessors, (52), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 56 states. [2022-04-08 09:28:17,043 INFO L87 Difference]: Start difference. First operand has 56 states, 51 states have (on average 1.0196078431372548) internal successors, (52), 51 states have internal predecessors, (52), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 56 states. [2022-04-08 09:28:17,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:28:17,044 INFO L93 Difference]: Finished difference Result 56 states and 56 transitions. [2022-04-08 09:28:17,044 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 56 transitions. [2022-04-08 09:28:17,044 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:28:17,044 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:28:17,045 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 09:28:17,045 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 09:28:17,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 51 states have (on average 1.0196078431372548) internal successors, (52), 51 states have internal predecessors, (52), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:28:17,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 56 transitions. [2022-04-08 09:28:17,046 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 56 transitions. Word has length 54 [2022-04-08 09:28:17,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 09:28:17,046 INFO L478 AbstractCegarLoop]: Abstraction has 56 states and 56 transitions. [2022-04-08 09:28:17,046 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 1.0638297872340425) internal successors, (50), 46 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) [2022-04-08 09:28:17,046 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 56 states and 56 transitions. [2022-04-08 09:28:17,095 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 56 edges. 56 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:28:17,095 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 56 transitions. [2022-04-08 09:28:17,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-04-08 09:28:17,095 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 09:28:17,095 INFO L499 BasicCegarLoop]: trace histogram [44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 09:28:17,112 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Ended with exit code 0 [2022-04-08 09:28:17,295 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2022-04-08 09:28:17,296 INFO L403 AbstractCegarLoop]: === Iteration 46 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 09:28:17,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 09:28:17,296 INFO L85 PathProgramCache]: Analyzing trace with hash 1829159772, now seen corresponding path program 87 times [2022-04-08 09:28:17,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 09:28:17,296 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [327191617] [2022-04-08 09:28:17,298 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-08 09:28:17,298 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-08 09:28:17,298 INFO L85 PathProgramCache]: Analyzing trace with hash 1829159772, now seen corresponding path program 88 times [2022-04-08 09:28:17,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 09:28:17,299 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553569060] [2022-04-08 09:28:17,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 09:28:17,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 09:28:17,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:28:18,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-08 09:28:18,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:28:18,460 INFO L290 TraceCheckUtils]: 0: Hoare triple {22538#(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(13, 2);call #Ultimate.allocInit(12, 3); {22488#true} is VALID [2022-04-08 09:28:18,461 INFO L290 TraceCheckUtils]: 1: Hoare triple {22488#true} assume true; {22488#true} is VALID [2022-04-08 09:28:18,461 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {22488#true} {22488#true} #34#return; {22488#true} is VALID [2022-04-08 09:28:18,461 INFO L272 TraceCheckUtils]: 0: Hoare triple {22488#true} call ULTIMATE.init(); {22538#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-08 09:28:18,461 INFO L290 TraceCheckUtils]: 1: Hoare triple {22538#(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(13, 2);call #Ultimate.allocInit(12, 3); {22488#true} is VALID [2022-04-08 09:28:18,461 INFO L290 TraceCheckUtils]: 2: Hoare triple {22488#true} assume true; {22488#true} is VALID [2022-04-08 09:28:18,462 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {22488#true} {22488#true} #34#return; {22488#true} is VALID [2022-04-08 09:28:18,462 INFO L272 TraceCheckUtils]: 4: Hoare triple {22488#true} call #t~ret4 := main(); {22488#true} is VALID [2022-04-08 09:28:18,462 INFO L290 TraceCheckUtils]: 5: Hoare triple {22488#true} ~x~0 := 268435441; {22493#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:28:18,463 INFO L290 TraceCheckUtils]: 6: Hoare triple {22493#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22494#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:28:18,463 INFO L290 TraceCheckUtils]: 7: Hoare triple {22494#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22495#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:28:18,464 INFO L290 TraceCheckUtils]: 8: Hoare triple {22495#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22496#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:28:18,464 INFO L290 TraceCheckUtils]: 9: Hoare triple {22496#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22497#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:28:18,465 INFO L290 TraceCheckUtils]: 10: Hoare triple {22497#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22498#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:28:18,465 INFO L290 TraceCheckUtils]: 11: Hoare triple {22498#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22499#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:28:18,466 INFO L290 TraceCheckUtils]: 12: Hoare triple {22499#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22500#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:28:18,466 INFO L290 TraceCheckUtils]: 13: Hoare triple {22500#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22501#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:28:18,467 INFO L290 TraceCheckUtils]: 14: Hoare triple {22501#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22502#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:28:18,467 INFO L290 TraceCheckUtils]: 15: Hoare triple {22502#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22503#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:28:18,468 INFO L290 TraceCheckUtils]: 16: Hoare triple {22503#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22504#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:28:18,468 INFO L290 TraceCheckUtils]: 17: Hoare triple {22504#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22505#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:28:18,469 INFO L290 TraceCheckUtils]: 18: Hoare triple {22505#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22506#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:28:18,469 INFO L290 TraceCheckUtils]: 19: Hoare triple {22506#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22507#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} is VALID [2022-04-08 09:28:18,470 INFO L290 TraceCheckUtils]: 20: Hoare triple {22507#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22508#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} is VALID [2022-04-08 09:28:18,470 INFO L290 TraceCheckUtils]: 21: Hoare triple {22508#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22509#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} is VALID [2022-04-08 09:28:18,471 INFO L290 TraceCheckUtils]: 22: Hoare triple {22509#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22510#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} is VALID [2022-04-08 09:28:18,471 INFO L290 TraceCheckUtils]: 23: Hoare triple {22510#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22511#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} is VALID [2022-04-08 09:28:18,472 INFO L290 TraceCheckUtils]: 24: Hoare triple {22511#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22512#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} is VALID [2022-04-08 09:28:18,472 INFO L290 TraceCheckUtils]: 25: Hoare triple {22512#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22513#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} is VALID [2022-04-08 09:28:18,473 INFO L290 TraceCheckUtils]: 26: Hoare triple {22513#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22514#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} is VALID [2022-04-08 09:28:18,473 INFO L290 TraceCheckUtils]: 27: Hoare triple {22514#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22515#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} is VALID [2022-04-08 09:28:18,474 INFO L290 TraceCheckUtils]: 28: Hoare triple {22515#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22516#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} is VALID [2022-04-08 09:28:18,474 INFO L290 TraceCheckUtils]: 29: Hoare triple {22516#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22517#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} is VALID [2022-04-08 09:28:18,475 INFO L290 TraceCheckUtils]: 30: Hoare triple {22517#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22518#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} is VALID [2022-04-08 09:28:18,475 INFO L290 TraceCheckUtils]: 31: Hoare triple {22518#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22519#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} is VALID [2022-04-08 09:28:18,476 INFO L290 TraceCheckUtils]: 32: Hoare triple {22519#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22520#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} is VALID [2022-04-08 09:28:18,477 INFO L290 TraceCheckUtils]: 33: Hoare triple {22520#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22521#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} is VALID [2022-04-08 09:28:18,477 INFO L290 TraceCheckUtils]: 34: Hoare triple {22521#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22522#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} is VALID [2022-04-08 09:28:18,478 INFO L290 TraceCheckUtils]: 35: Hoare triple {22522#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22523#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} is VALID [2022-04-08 09:28:18,478 INFO L290 TraceCheckUtils]: 36: Hoare triple {22523#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22524#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} is VALID [2022-04-08 09:28:18,479 INFO L290 TraceCheckUtils]: 37: Hoare triple {22524#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22525#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} is VALID [2022-04-08 09:28:18,479 INFO L290 TraceCheckUtils]: 38: Hoare triple {22525#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22526#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} is VALID [2022-04-08 09:28:18,480 INFO L290 TraceCheckUtils]: 39: Hoare triple {22526#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22527#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} is VALID [2022-04-08 09:28:18,480 INFO L290 TraceCheckUtils]: 40: Hoare triple {22527#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22528#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} is VALID [2022-04-08 09:28:18,481 INFO L290 TraceCheckUtils]: 41: Hoare triple {22528#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22529#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} is VALID [2022-04-08 09:28:18,481 INFO L290 TraceCheckUtils]: 42: Hoare triple {22529#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22530#(and (<= main_~x~0 268435367) (<= 268435367 main_~x~0))} is VALID [2022-04-08 09:28:18,482 INFO L290 TraceCheckUtils]: 43: Hoare triple {22530#(and (<= main_~x~0 268435367) (<= 268435367 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22531#(and (<= 268435365 main_~x~0) (<= main_~x~0 268435365))} is VALID [2022-04-08 09:28:18,482 INFO L290 TraceCheckUtils]: 44: Hoare triple {22531#(and (<= 268435365 main_~x~0) (<= main_~x~0 268435365))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22532#(and (<= 268435363 main_~x~0) (<= main_~x~0 268435363))} is VALID [2022-04-08 09:28:18,483 INFO L290 TraceCheckUtils]: 45: Hoare triple {22532#(and (<= 268435363 main_~x~0) (<= main_~x~0 268435363))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22533#(and (<= main_~x~0 268435361) (<= 268435361 main_~x~0))} is VALID [2022-04-08 09:28:18,483 INFO L290 TraceCheckUtils]: 46: Hoare triple {22533#(and (<= main_~x~0 268435361) (<= 268435361 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22534#(and (<= main_~x~0 268435359) (<= 268435359 main_~x~0))} is VALID [2022-04-08 09:28:18,484 INFO L290 TraceCheckUtils]: 47: Hoare triple {22534#(and (<= main_~x~0 268435359) (<= 268435359 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22535#(and (<= main_~x~0 268435357) (<= 268435357 main_~x~0))} is VALID [2022-04-08 09:28:18,484 INFO L290 TraceCheckUtils]: 48: Hoare triple {22535#(and (<= main_~x~0 268435357) (<= 268435357 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22536#(and (<= main_~x~0 268435355) (<= 268435355 main_~x~0))} is VALID [2022-04-08 09:28:18,485 INFO L290 TraceCheckUtils]: 49: Hoare triple {22536#(and (<= main_~x~0 268435355) (<= 268435355 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22537#(and (<= (div main_~x~0 4294967296) 0) (<= 268435353 main_~x~0))} is VALID [2022-04-08 09:28:18,485 INFO L290 TraceCheckUtils]: 50: Hoare triple {22537#(and (<= (div main_~x~0 4294967296) 0) (<= 268435353 main_~x~0))} assume !(~x~0 % 4294967296 > 1); {22489#false} is VALID [2022-04-08 09:28:18,485 INFO L272 TraceCheckUtils]: 51: Hoare triple {22489#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)); {22489#false} is VALID [2022-04-08 09:28:18,485 INFO L290 TraceCheckUtils]: 52: Hoare triple {22489#false} ~cond := #in~cond; {22489#false} is VALID [2022-04-08 09:28:18,486 INFO L290 TraceCheckUtils]: 53: Hoare triple {22489#false} assume 0 == ~cond; {22489#false} is VALID [2022-04-08 09:28:18,486 INFO L290 TraceCheckUtils]: 54: Hoare triple {22489#false} assume !false; {22489#false} is VALID [2022-04-08 09:28:18,486 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:28:18,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 09:28:18,486 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553569060] [2022-04-08 09:28:18,486 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553569060] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-08 09:28:18,486 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1500486389] [2022-04-08 09:28:18,487 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-08 09:28:18,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 09:28:18,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 09:28:18,488 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) [2022-04-08 09:28:18,488 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2022-04-08 09:28:18,597 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-08 09:28:18,597 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 09:28:18,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 91 conjunts are in the unsatisfiable core [2022-04-08 09:28:18,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:28:18,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 09:28:19,193 INFO L272 TraceCheckUtils]: 0: Hoare triple {22488#true} call ULTIMATE.init(); {22488#true} is VALID [2022-04-08 09:28:19,193 INFO L290 TraceCheckUtils]: 1: Hoare triple {22488#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(13, 2);call #Ultimate.allocInit(12, 3); {22488#true} is VALID [2022-04-08 09:28:19,193 INFO L290 TraceCheckUtils]: 2: Hoare triple {22488#true} assume true; {22488#true} is VALID [2022-04-08 09:28:19,193 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {22488#true} {22488#true} #34#return; {22488#true} is VALID [2022-04-08 09:28:19,193 INFO L272 TraceCheckUtils]: 4: Hoare triple {22488#true} call #t~ret4 := main(); {22488#true} is VALID [2022-04-08 09:28:19,194 INFO L290 TraceCheckUtils]: 5: Hoare triple {22488#true} ~x~0 := 268435441; {22493#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:28:19,195 INFO L290 TraceCheckUtils]: 6: Hoare triple {22493#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22494#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:28:19,195 INFO L290 TraceCheckUtils]: 7: Hoare triple {22494#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22495#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:28:19,196 INFO L290 TraceCheckUtils]: 8: Hoare triple {22495#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22496#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:28:19,197 INFO L290 TraceCheckUtils]: 9: Hoare triple {22496#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22497#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:28:19,197 INFO L290 TraceCheckUtils]: 10: Hoare triple {22497#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22498#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:28:19,198 INFO L290 TraceCheckUtils]: 11: Hoare triple {22498#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22499#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:28:19,199 INFO L290 TraceCheckUtils]: 12: Hoare triple {22499#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22500#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:28:19,199 INFO L290 TraceCheckUtils]: 13: Hoare triple {22500#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22501#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:28:19,200 INFO L290 TraceCheckUtils]: 14: Hoare triple {22501#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22502#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:28:19,200 INFO L290 TraceCheckUtils]: 15: Hoare triple {22502#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22503#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:28:19,201 INFO L290 TraceCheckUtils]: 16: Hoare triple {22503#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22504#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:28:19,202 INFO L290 TraceCheckUtils]: 17: Hoare triple {22504#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22505#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:28:19,202 INFO L290 TraceCheckUtils]: 18: Hoare triple {22505#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22506#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:28:19,203 INFO L290 TraceCheckUtils]: 19: Hoare triple {22506#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22507#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} is VALID [2022-04-08 09:28:19,204 INFO L290 TraceCheckUtils]: 20: Hoare triple {22507#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22508#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} is VALID [2022-04-08 09:28:19,204 INFO L290 TraceCheckUtils]: 21: Hoare triple {22508#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22509#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} is VALID [2022-04-08 09:28:19,205 INFO L290 TraceCheckUtils]: 22: Hoare triple {22509#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22510#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} is VALID [2022-04-08 09:28:19,206 INFO L290 TraceCheckUtils]: 23: Hoare triple {22510#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22511#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} is VALID [2022-04-08 09:28:19,206 INFO L290 TraceCheckUtils]: 24: Hoare triple {22511#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22512#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} is VALID [2022-04-08 09:28:19,207 INFO L290 TraceCheckUtils]: 25: Hoare triple {22512#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22513#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} is VALID [2022-04-08 09:28:19,208 INFO L290 TraceCheckUtils]: 26: Hoare triple {22513#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22514#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} is VALID [2022-04-08 09:28:19,208 INFO L290 TraceCheckUtils]: 27: Hoare triple {22514#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22515#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} is VALID [2022-04-08 09:28:19,209 INFO L290 TraceCheckUtils]: 28: Hoare triple {22515#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22516#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} is VALID [2022-04-08 09:28:19,210 INFO L290 TraceCheckUtils]: 29: Hoare triple {22516#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22517#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} is VALID [2022-04-08 09:28:19,210 INFO L290 TraceCheckUtils]: 30: Hoare triple {22517#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22518#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} is VALID [2022-04-08 09:28:19,211 INFO L290 TraceCheckUtils]: 31: Hoare triple {22518#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22519#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} is VALID [2022-04-08 09:28:19,212 INFO L290 TraceCheckUtils]: 32: Hoare triple {22519#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22520#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} is VALID [2022-04-08 09:28:19,212 INFO L290 TraceCheckUtils]: 33: Hoare triple {22520#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22521#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} is VALID [2022-04-08 09:28:19,213 INFO L290 TraceCheckUtils]: 34: Hoare triple {22521#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22522#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} is VALID [2022-04-08 09:28:19,214 INFO L290 TraceCheckUtils]: 35: Hoare triple {22522#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22523#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} is VALID [2022-04-08 09:28:19,214 INFO L290 TraceCheckUtils]: 36: Hoare triple {22523#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22524#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} is VALID [2022-04-08 09:28:19,215 INFO L290 TraceCheckUtils]: 37: Hoare triple {22524#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22525#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} is VALID [2022-04-08 09:28:19,216 INFO L290 TraceCheckUtils]: 38: Hoare triple {22525#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22526#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} is VALID [2022-04-08 09:28:19,216 INFO L290 TraceCheckUtils]: 39: Hoare triple {22526#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22527#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} is VALID [2022-04-08 09:28:19,217 INFO L290 TraceCheckUtils]: 40: Hoare triple {22527#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22528#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} is VALID [2022-04-08 09:28:19,218 INFO L290 TraceCheckUtils]: 41: Hoare triple {22528#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22529#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} is VALID [2022-04-08 09:28:19,218 INFO L290 TraceCheckUtils]: 42: Hoare triple {22529#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22530#(and (<= main_~x~0 268435367) (<= 268435367 main_~x~0))} is VALID [2022-04-08 09:28:19,219 INFO L290 TraceCheckUtils]: 43: Hoare triple {22530#(and (<= main_~x~0 268435367) (<= 268435367 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22531#(and (<= 268435365 main_~x~0) (<= main_~x~0 268435365))} is VALID [2022-04-08 09:28:19,220 INFO L290 TraceCheckUtils]: 44: Hoare triple {22531#(and (<= 268435365 main_~x~0) (<= main_~x~0 268435365))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22532#(and (<= 268435363 main_~x~0) (<= main_~x~0 268435363))} is VALID [2022-04-08 09:28:19,220 INFO L290 TraceCheckUtils]: 45: Hoare triple {22532#(and (<= 268435363 main_~x~0) (<= main_~x~0 268435363))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22533#(and (<= main_~x~0 268435361) (<= 268435361 main_~x~0))} is VALID [2022-04-08 09:28:19,221 INFO L290 TraceCheckUtils]: 46: Hoare triple {22533#(and (<= main_~x~0 268435361) (<= 268435361 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22534#(and (<= main_~x~0 268435359) (<= 268435359 main_~x~0))} is VALID [2022-04-08 09:28:19,222 INFO L290 TraceCheckUtils]: 47: Hoare triple {22534#(and (<= main_~x~0 268435359) (<= 268435359 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22535#(and (<= main_~x~0 268435357) (<= 268435357 main_~x~0))} is VALID [2022-04-08 09:28:19,222 INFO L290 TraceCheckUtils]: 48: Hoare triple {22535#(and (<= main_~x~0 268435357) (<= 268435357 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22536#(and (<= main_~x~0 268435355) (<= 268435355 main_~x~0))} is VALID [2022-04-08 09:28:19,223 INFO L290 TraceCheckUtils]: 49: Hoare triple {22536#(and (<= main_~x~0 268435355) (<= 268435355 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22689#(and (<= main_~x~0 268435353) (<= 268435353 main_~x~0))} is VALID [2022-04-08 09:28:19,223 INFO L290 TraceCheckUtils]: 50: Hoare triple {22689#(and (<= main_~x~0 268435353) (<= 268435353 main_~x~0))} assume !(~x~0 % 4294967296 > 1); {22489#false} is VALID [2022-04-08 09:28:19,224 INFO L272 TraceCheckUtils]: 51: Hoare triple {22489#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)); {22489#false} is VALID [2022-04-08 09:28:19,224 INFO L290 TraceCheckUtils]: 52: Hoare triple {22489#false} ~cond := #in~cond; {22489#false} is VALID [2022-04-08 09:28:19,224 INFO L290 TraceCheckUtils]: 53: Hoare triple {22489#false} assume 0 == ~cond; {22489#false} is VALID [2022-04-08 09:28:19,224 INFO L290 TraceCheckUtils]: 54: Hoare triple {22489#false} assume !false; {22489#false} is VALID [2022-04-08 09:28:19,224 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:28:19,225 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 09:28:22,433 INFO L290 TraceCheckUtils]: 54: Hoare triple {22489#false} assume !false; {22489#false} is VALID [2022-04-08 09:28:22,433 INFO L290 TraceCheckUtils]: 53: Hoare triple {22489#false} assume 0 == ~cond; {22489#false} is VALID [2022-04-08 09:28:22,433 INFO L290 TraceCheckUtils]: 52: Hoare triple {22489#false} ~cond := #in~cond; {22489#false} is VALID [2022-04-08 09:28:22,433 INFO L272 TraceCheckUtils]: 51: Hoare triple {22489#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)); {22489#false} is VALID [2022-04-08 09:28:22,433 INFO L290 TraceCheckUtils]: 50: Hoare triple {22717#(< 1 (mod main_~x~0 4294967296))} assume !(~x~0 % 4294967296 > 1); {22489#false} is VALID [2022-04-08 09:28:22,435 INFO L290 TraceCheckUtils]: 49: Hoare triple {22721#(< 1 (mod (+ main_~x~0 4294967294) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22717#(< 1 (mod main_~x~0 4294967296))} is VALID [2022-04-08 09:28:22,435 INFO L290 TraceCheckUtils]: 48: Hoare triple {22725#(< 1 (mod (+ 4294967292 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22721#(< 1 (mod (+ main_~x~0 4294967294) 4294967296))} is VALID [2022-04-08 09:28:22,436 INFO L290 TraceCheckUtils]: 47: Hoare triple {22729#(< 1 (mod (+ 4294967290 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22725#(< 1 (mod (+ 4294967292 main_~x~0) 4294967296))} is VALID [2022-04-08 09:28:22,437 INFO L290 TraceCheckUtils]: 46: Hoare triple {22733#(< 1 (mod (+ 4294967288 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22729#(< 1 (mod (+ 4294967290 main_~x~0) 4294967296))} is VALID [2022-04-08 09:28:22,438 INFO L290 TraceCheckUtils]: 45: Hoare triple {22737#(< 1 (mod (+ main_~x~0 4294967286) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22733#(< 1 (mod (+ 4294967288 main_~x~0) 4294967296))} is VALID [2022-04-08 09:28:22,438 INFO L290 TraceCheckUtils]: 44: Hoare triple {22741#(< 1 (mod (+ main_~x~0 4294967284) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22737#(< 1 (mod (+ main_~x~0 4294967286) 4294967296))} is VALID [2022-04-08 09:28:22,439 INFO L290 TraceCheckUtils]: 43: Hoare triple {22745#(< 1 (mod (+ 4294967282 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22741#(< 1 (mod (+ main_~x~0 4294967284) 4294967296))} is VALID [2022-04-08 09:28:22,440 INFO L290 TraceCheckUtils]: 42: Hoare triple {22749#(< 1 (mod (+ main_~x~0 4294967280) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22745#(< 1 (mod (+ 4294967282 main_~x~0) 4294967296))} is VALID [2022-04-08 09:28:22,442 INFO L290 TraceCheckUtils]: 41: Hoare triple {22753#(< 1 (mod (+ main_~x~0 4294967278) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22749#(< 1 (mod (+ main_~x~0 4294967280) 4294967296))} is VALID [2022-04-08 09:28:22,442 INFO L290 TraceCheckUtils]: 40: Hoare triple {22757#(< 1 (mod (+ 4294967276 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22753#(< 1 (mod (+ main_~x~0 4294967278) 4294967296))} is VALID [2022-04-08 09:28:22,443 INFO L290 TraceCheckUtils]: 39: Hoare triple {22761#(< 1 (mod (+ 4294967274 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22757#(< 1 (mod (+ 4294967276 main_~x~0) 4294967296))} is VALID [2022-04-08 09:28:22,444 INFO L290 TraceCheckUtils]: 38: Hoare triple {22765#(< 1 (mod (+ 4294967272 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22761#(< 1 (mod (+ 4294967274 main_~x~0) 4294967296))} is VALID [2022-04-08 09:28:22,444 INFO L290 TraceCheckUtils]: 37: Hoare triple {22769#(< 1 (mod (+ main_~x~0 4294967270) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22765#(< 1 (mod (+ 4294967272 main_~x~0) 4294967296))} is VALID [2022-04-08 09:28:22,445 INFO L290 TraceCheckUtils]: 36: Hoare triple {22773#(< 1 (mod (+ main_~x~0 4294967268) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22769#(< 1 (mod (+ main_~x~0 4294967270) 4294967296))} is VALID [2022-04-08 09:28:22,446 INFO L290 TraceCheckUtils]: 35: Hoare triple {22777#(< 1 (mod (+ main_~x~0 4294967266) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22773#(< 1 (mod (+ main_~x~0 4294967268) 4294967296))} is VALID [2022-04-08 09:28:22,448 INFO L290 TraceCheckUtils]: 34: Hoare triple {22781#(< 1 (mod (+ main_~x~0 4294967264) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22777#(< 1 (mod (+ main_~x~0 4294967266) 4294967296))} is VALID [2022-04-08 09:28:22,448 INFO L290 TraceCheckUtils]: 33: Hoare triple {22785#(< 1 (mod (+ main_~x~0 4294967262) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22781#(< 1 (mod (+ main_~x~0 4294967264) 4294967296))} is VALID [2022-04-08 09:28:22,449 INFO L290 TraceCheckUtils]: 32: Hoare triple {22789#(< 1 (mod (+ 4294967260 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22785#(< 1 (mod (+ main_~x~0 4294967262) 4294967296))} is VALID [2022-04-08 09:28:22,450 INFO L290 TraceCheckUtils]: 31: Hoare triple {22793#(< 1 (mod (+ main_~x~0 4294967258) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22789#(< 1 (mod (+ 4294967260 main_~x~0) 4294967296))} is VALID [2022-04-08 09:28:22,451 INFO L290 TraceCheckUtils]: 30: Hoare triple {22797#(< 1 (mod (+ main_~x~0 4294967256) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22793#(< 1 (mod (+ main_~x~0 4294967258) 4294967296))} is VALID [2022-04-08 09:28:22,452 INFO L290 TraceCheckUtils]: 29: Hoare triple {22801#(< 1 (mod (+ 4294967254 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22797#(< 1 (mod (+ main_~x~0 4294967256) 4294967296))} is VALID [2022-04-08 09:28:22,452 INFO L290 TraceCheckUtils]: 28: Hoare triple {22805#(< 1 (mod (+ main_~x~0 4294967252) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22801#(< 1 (mod (+ 4294967254 main_~x~0) 4294967296))} is VALID [2022-04-08 09:28:22,453 INFO L290 TraceCheckUtils]: 27: Hoare triple {22809#(< 1 (mod (+ 4294967250 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22805#(< 1 (mod (+ main_~x~0 4294967252) 4294967296))} is VALID [2022-04-08 09:28:22,453 INFO L290 TraceCheckUtils]: 26: Hoare triple {22813#(< 1 (mod (+ main_~x~0 4294967248) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22809#(< 1 (mod (+ 4294967250 main_~x~0) 4294967296))} is VALID [2022-04-08 09:28:22,454 INFO L290 TraceCheckUtils]: 25: Hoare triple {22817#(< 1 (mod (+ 4294967246 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22813#(< 1 (mod (+ main_~x~0 4294967248) 4294967296))} is VALID [2022-04-08 09:28:22,455 INFO L290 TraceCheckUtils]: 24: Hoare triple {22821#(< 1 (mod (+ main_~x~0 4294967244) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22817#(< 1 (mod (+ 4294967246 main_~x~0) 4294967296))} is VALID [2022-04-08 09:28:22,455 INFO L290 TraceCheckUtils]: 23: Hoare triple {22825#(< 1 (mod (+ main_~x~0 4294967242) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22821#(< 1 (mod (+ main_~x~0 4294967244) 4294967296))} is VALID [2022-04-08 09:28:22,456 INFO L290 TraceCheckUtils]: 22: Hoare triple {22829#(< 1 (mod (+ 4294967240 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22825#(< 1 (mod (+ main_~x~0 4294967242) 4294967296))} is VALID [2022-04-08 09:28:22,457 INFO L290 TraceCheckUtils]: 21: Hoare triple {22833#(< 1 (mod (+ 4294967238 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22829#(< 1 (mod (+ 4294967240 main_~x~0) 4294967296))} is VALID [2022-04-08 09:28:22,457 INFO L290 TraceCheckUtils]: 20: Hoare triple {22837#(< 1 (mod (+ main_~x~0 4294967236) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22833#(< 1 (mod (+ 4294967238 main_~x~0) 4294967296))} is VALID [2022-04-08 09:28:22,458 INFO L290 TraceCheckUtils]: 19: Hoare triple {22841#(< 1 (mod (+ main_~x~0 4294967234) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22837#(< 1 (mod (+ main_~x~0 4294967236) 4294967296))} is VALID [2022-04-08 09:28:22,458 INFO L290 TraceCheckUtils]: 18: Hoare triple {22845#(< 1 (mod (+ main_~x~0 4294967232) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22841#(< 1 (mod (+ main_~x~0 4294967234) 4294967296))} is VALID [2022-04-08 09:28:22,459 INFO L290 TraceCheckUtils]: 17: Hoare triple {22849#(< 1 (mod (+ 4294967230 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22845#(< 1 (mod (+ main_~x~0 4294967232) 4294967296))} is VALID [2022-04-08 09:28:22,460 INFO L290 TraceCheckUtils]: 16: Hoare triple {22853#(< 1 (mod (+ main_~x~0 4294967228) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22849#(< 1 (mod (+ 4294967230 main_~x~0) 4294967296))} is VALID [2022-04-08 09:28:22,460 INFO L290 TraceCheckUtils]: 15: Hoare triple {22857#(< 1 (mod (+ main_~x~0 4294967226) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22853#(< 1 (mod (+ main_~x~0 4294967228) 4294967296))} is VALID [2022-04-08 09:28:22,461 INFO L290 TraceCheckUtils]: 14: Hoare triple {22861#(< 1 (mod (+ 4294967224 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22857#(< 1 (mod (+ main_~x~0 4294967226) 4294967296))} is VALID [2022-04-08 09:28:22,463 INFO L290 TraceCheckUtils]: 13: Hoare triple {22865#(< 1 (mod (+ main_~x~0 4294967222) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22861#(< 1 (mod (+ 4294967224 main_~x~0) 4294967296))} is VALID [2022-04-08 09:28:22,463 INFO L290 TraceCheckUtils]: 12: Hoare triple {22869#(< 1 (mod (+ main_~x~0 4294967220) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22865#(< 1 (mod (+ main_~x~0 4294967222) 4294967296))} is VALID [2022-04-08 09:28:22,465 INFO L290 TraceCheckUtils]: 11: Hoare triple {22873#(< 1 (mod (+ 4294967218 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22869#(< 1 (mod (+ main_~x~0 4294967220) 4294967296))} is VALID [2022-04-08 09:28:22,466 INFO L290 TraceCheckUtils]: 10: Hoare triple {22877#(< 1 (mod (+ 4294967216 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22873#(< 1 (mod (+ 4294967218 main_~x~0) 4294967296))} is VALID [2022-04-08 09:28:22,466 INFO L290 TraceCheckUtils]: 9: Hoare triple {22881#(< 1 (mod (+ main_~x~0 4294967214) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22877#(< 1 (mod (+ 4294967216 main_~x~0) 4294967296))} is VALID [2022-04-08 09:28:22,467 INFO L290 TraceCheckUtils]: 8: Hoare triple {22885#(< 1 (mod (+ 4294967212 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22881#(< 1 (mod (+ main_~x~0 4294967214) 4294967296))} is VALID [2022-04-08 09:28:22,468 INFO L290 TraceCheckUtils]: 7: Hoare triple {22889#(< 1 (mod (+ 4294967210 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22885#(< 1 (mod (+ 4294967212 main_~x~0) 4294967296))} is VALID [2022-04-08 09:28:22,468 INFO L290 TraceCheckUtils]: 6: Hoare triple {22893#(< 1 (mod (+ main_~x~0 4294967208) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {22889#(< 1 (mod (+ 4294967210 main_~x~0) 4294967296))} is VALID [2022-04-08 09:28:22,469 INFO L290 TraceCheckUtils]: 5: Hoare triple {22488#true} ~x~0 := 268435441; {22893#(< 1 (mod (+ main_~x~0 4294967208) 4294967296))} is VALID [2022-04-08 09:28:22,469 INFO L272 TraceCheckUtils]: 4: Hoare triple {22488#true} call #t~ret4 := main(); {22488#true} is VALID [2022-04-08 09:28:22,469 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {22488#true} {22488#true} #34#return; {22488#true} is VALID [2022-04-08 09:28:22,469 INFO L290 TraceCheckUtils]: 2: Hoare triple {22488#true} assume true; {22488#true} is VALID [2022-04-08 09:28:22,469 INFO L290 TraceCheckUtils]: 1: Hoare triple {22488#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(13, 2);call #Ultimate.allocInit(12, 3); {22488#true} is VALID [2022-04-08 09:28:22,469 INFO L272 TraceCheckUtils]: 0: Hoare triple {22488#true} call ULTIMATE.init(); {22488#true} is VALID [2022-04-08 09:28:22,470 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:28:22,470 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1500486389] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-08 09:28:22,470 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-08 09:28:22,470 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 47, 47] total 94 [2022-04-08 09:28:22,470 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 09:28:22,470 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [327191617] [2022-04-08 09:28:22,470 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [327191617] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 09:28:22,470 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 09:28:22,470 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [48] imperfect sequences [] total 48 [2022-04-08 09:28:22,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180610070] [2022-04-08 09:28:22,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 09:28:22,471 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 48 states have (on average 1.0625) internal successors, (51), 47 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 [2022-04-08 09:28:22,471 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 09:28:22,471 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 48 states, 48 states have (on average 1.0625) internal successors, (51), 47 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) [2022-04-08 09:28:22,501 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 55 edges. 55 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:28:22,501 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2022-04-08 09:28:22,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 09:28:22,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2022-04-08 09:28:22,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2300, Invalid=6442, Unknown=0, NotChecked=0, Total=8742 [2022-04-08 09:28:22,502 INFO L87 Difference]: Start difference. First operand 56 states and 56 transitions. Second operand has 48 states, 48 states have (on average 1.0625) internal successors, (51), 47 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) [2022-04-08 09:28:26,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:28:26,482 INFO L93 Difference]: Finished difference Result 62 states and 62 transitions. [2022-04-08 09:28:26,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-04-08 09:28:26,482 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 48 states have (on average 1.0625) internal successors, (51), 47 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 [2022-04-08 09:28:26,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 09:28:26,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 48 states have (on average 1.0625) internal successors, (51), 47 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) [2022-04-08 09:28:26,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 62 transitions. [2022-04-08 09:28:26,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 48 states have (on average 1.0625) internal successors, (51), 47 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) [2022-04-08 09:28:26,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 62 transitions. [2022-04-08 09:28:26,484 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 48 states and 62 transitions. [2022-04-08 09:28:26,523 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 62 edges. 62 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:28:26,524 INFO L225 Difference]: With dead ends: 62 [2022-04-08 09:28:26,524 INFO L226 Difference]: Without dead ends: 57 [2022-04-08 09:28:26,525 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 66 SyntacticMatches, 1 SemanticMatches, 137 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1083 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=4593, Invalid=14589, Unknown=0, NotChecked=0, Total=19182 [2022-04-08 09:28:26,525 INFO L913 BasicCegarLoop]: 11 mSDtfsCounter, 6 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 2032 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 2123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 2032 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-04-08 09:28:26,525 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 63 Invalid, 2123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 2032 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-04-08 09:28:26,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2022-04-08 09:28:26,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2022-04-08 09:28:26,589 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 09:28:26,589 INFO L82 GeneralOperation]: Start isEquivalent. First operand 57 states. Second operand has 57 states, 52 states have (on average 1.0192307692307692) internal successors, (53), 52 states have internal predecessors, (53), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:28:26,589 INFO L74 IsIncluded]: Start isIncluded. First operand 57 states. Second operand has 57 states, 52 states have (on average 1.0192307692307692) internal successors, (53), 52 states have internal predecessors, (53), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:28:26,589 INFO L87 Difference]: Start difference. First operand 57 states. Second operand has 57 states, 52 states have (on average 1.0192307692307692) internal successors, (53), 52 states have internal predecessors, (53), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:28:26,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:28:26,590 INFO L93 Difference]: Finished difference Result 57 states and 57 transitions. [2022-04-08 09:28:26,590 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 57 transitions. [2022-04-08 09:28:26,590 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:28:26,590 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:28:26,590 INFO L74 IsIncluded]: Start isIncluded. First operand has 57 states, 52 states have (on average 1.0192307692307692) internal successors, (53), 52 states have internal predecessors, (53), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 57 states. [2022-04-08 09:28:26,591 INFO L87 Difference]: Start difference. First operand has 57 states, 52 states have (on average 1.0192307692307692) internal successors, (53), 52 states have internal predecessors, (53), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 57 states. [2022-04-08 09:28:26,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:28:26,591 INFO L93 Difference]: Finished difference Result 57 states and 57 transitions. [2022-04-08 09:28:26,591 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 57 transitions. [2022-04-08 09:28:26,591 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:28:26,591 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:28:26,591 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 09:28:26,592 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 09:28:26,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 52 states have (on average 1.0192307692307692) internal successors, (53), 52 states have internal predecessors, (53), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:28:26,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 57 transitions. [2022-04-08 09:28:26,592 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 57 transitions. Word has length 55 [2022-04-08 09:28:26,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 09:28:26,592 INFO L478 AbstractCegarLoop]: Abstraction has 57 states and 57 transitions. [2022-04-08 09:28:26,592 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 1.0625) internal successors, (51), 47 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) [2022-04-08 09:28:26,593 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 57 states and 57 transitions. [2022-04-08 09:28:26,635 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 57 edges. 57 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:28:26,635 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 57 transitions. [2022-04-08 09:28:26,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-04-08 09:28:26,636 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 09:28:26,636 INFO L499 BasicCegarLoop]: trace histogram [45, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 09:28:26,654 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Forceful destruction successful, exit code 0 [2022-04-08 09:28:26,836 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2022-04-08 09:28:26,837 INFO L403 AbstractCegarLoop]: === Iteration 47 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 09:28:26,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 09:28:26,837 INFO L85 PathProgramCache]: Analyzing trace with hash 905839350, now seen corresponding path program 89 times [2022-04-08 09:28:26,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 09:28:26,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1649030441] [2022-04-08 09:28:26,841 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-08 09:28:26,841 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-08 09:28:26,841 INFO L85 PathProgramCache]: Analyzing trace with hash 905839350, now seen corresponding path program 90 times [2022-04-08 09:28:26,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 09:28:26,841 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182326594] [2022-04-08 09:28:26,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 09:28:26,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 09:28:26,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:28:28,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-08 09:28:28,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:28:28,123 INFO L290 TraceCheckUtils]: 0: Hoare triple {23407#(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(13, 2);call #Ultimate.allocInit(12, 3); {23356#true} is VALID [2022-04-08 09:28:28,123 INFO L290 TraceCheckUtils]: 1: Hoare triple {23356#true} assume true; {23356#true} is VALID [2022-04-08 09:28:28,123 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {23356#true} {23356#true} #34#return; {23356#true} is VALID [2022-04-08 09:28:28,123 INFO L272 TraceCheckUtils]: 0: Hoare triple {23356#true} call ULTIMATE.init(); {23407#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-08 09:28:28,124 INFO L290 TraceCheckUtils]: 1: Hoare triple {23407#(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(13, 2);call #Ultimate.allocInit(12, 3); {23356#true} is VALID [2022-04-08 09:28:28,124 INFO L290 TraceCheckUtils]: 2: Hoare triple {23356#true} assume true; {23356#true} is VALID [2022-04-08 09:28:28,124 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {23356#true} {23356#true} #34#return; {23356#true} is VALID [2022-04-08 09:28:28,124 INFO L272 TraceCheckUtils]: 4: Hoare triple {23356#true} call #t~ret4 := main(); {23356#true} is VALID [2022-04-08 09:28:28,124 INFO L290 TraceCheckUtils]: 5: Hoare triple {23356#true} ~x~0 := 268435441; {23361#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:28:28,125 INFO L290 TraceCheckUtils]: 6: Hoare triple {23361#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23362#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:28:28,125 INFO L290 TraceCheckUtils]: 7: Hoare triple {23362#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23363#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:28:28,126 INFO L290 TraceCheckUtils]: 8: Hoare triple {23363#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23364#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:28:28,126 INFO L290 TraceCheckUtils]: 9: Hoare triple {23364#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23365#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:28:28,127 INFO L290 TraceCheckUtils]: 10: Hoare triple {23365#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23366#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:28:28,127 INFO L290 TraceCheckUtils]: 11: Hoare triple {23366#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23367#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:28:28,128 INFO L290 TraceCheckUtils]: 12: Hoare triple {23367#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23368#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:28:28,128 INFO L290 TraceCheckUtils]: 13: Hoare triple {23368#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23369#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:28:28,129 INFO L290 TraceCheckUtils]: 14: Hoare triple {23369#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23370#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:28:28,129 INFO L290 TraceCheckUtils]: 15: Hoare triple {23370#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23371#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:28:28,130 INFO L290 TraceCheckUtils]: 16: Hoare triple {23371#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23372#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:28:28,131 INFO L290 TraceCheckUtils]: 17: Hoare triple {23372#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23373#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:28:28,131 INFO L290 TraceCheckUtils]: 18: Hoare triple {23373#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23374#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:28:28,132 INFO L290 TraceCheckUtils]: 19: Hoare triple {23374#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23375#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} is VALID [2022-04-08 09:28:28,132 INFO L290 TraceCheckUtils]: 20: Hoare triple {23375#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23376#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} is VALID [2022-04-08 09:28:28,133 INFO L290 TraceCheckUtils]: 21: Hoare triple {23376#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23377#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} is VALID [2022-04-08 09:28:28,133 INFO L290 TraceCheckUtils]: 22: Hoare triple {23377#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23378#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} is VALID [2022-04-08 09:28:28,134 INFO L290 TraceCheckUtils]: 23: Hoare triple {23378#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23379#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} is VALID [2022-04-08 09:28:28,134 INFO L290 TraceCheckUtils]: 24: Hoare triple {23379#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23380#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} is VALID [2022-04-08 09:28:28,135 INFO L290 TraceCheckUtils]: 25: Hoare triple {23380#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23381#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} is VALID [2022-04-08 09:28:28,135 INFO L290 TraceCheckUtils]: 26: Hoare triple {23381#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23382#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} is VALID [2022-04-08 09:28:28,136 INFO L290 TraceCheckUtils]: 27: Hoare triple {23382#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23383#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} is VALID [2022-04-08 09:28:28,136 INFO L290 TraceCheckUtils]: 28: Hoare triple {23383#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23384#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} is VALID [2022-04-08 09:28:28,137 INFO L290 TraceCheckUtils]: 29: Hoare triple {23384#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23385#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} is VALID [2022-04-08 09:28:28,137 INFO L290 TraceCheckUtils]: 30: Hoare triple {23385#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23386#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} is VALID [2022-04-08 09:28:28,138 INFO L290 TraceCheckUtils]: 31: Hoare triple {23386#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23387#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} is VALID [2022-04-08 09:28:28,138 INFO L290 TraceCheckUtils]: 32: Hoare triple {23387#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23388#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} is VALID [2022-04-08 09:28:28,139 INFO L290 TraceCheckUtils]: 33: Hoare triple {23388#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23389#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} is VALID [2022-04-08 09:28:28,139 INFO L290 TraceCheckUtils]: 34: Hoare triple {23389#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23390#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} is VALID [2022-04-08 09:28:28,140 INFO L290 TraceCheckUtils]: 35: Hoare triple {23390#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23391#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} is VALID [2022-04-08 09:28:28,140 INFO L290 TraceCheckUtils]: 36: Hoare triple {23391#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23392#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} is VALID [2022-04-08 09:28:28,141 INFO L290 TraceCheckUtils]: 37: Hoare triple {23392#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23393#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} is VALID [2022-04-08 09:28:28,141 INFO L290 TraceCheckUtils]: 38: Hoare triple {23393#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23394#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} is VALID [2022-04-08 09:28:28,142 INFO L290 TraceCheckUtils]: 39: Hoare triple {23394#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23395#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} is VALID [2022-04-08 09:28:28,142 INFO L290 TraceCheckUtils]: 40: Hoare triple {23395#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23396#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} is VALID [2022-04-08 09:28:28,143 INFO L290 TraceCheckUtils]: 41: Hoare triple {23396#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23397#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} is VALID [2022-04-08 09:28:28,143 INFO L290 TraceCheckUtils]: 42: Hoare triple {23397#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23398#(and (<= main_~x~0 268435367) (<= 268435367 main_~x~0))} is VALID [2022-04-08 09:28:28,144 INFO L290 TraceCheckUtils]: 43: Hoare triple {23398#(and (<= main_~x~0 268435367) (<= 268435367 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23399#(and (<= 268435365 main_~x~0) (<= main_~x~0 268435365))} is VALID [2022-04-08 09:28:28,144 INFO L290 TraceCheckUtils]: 44: Hoare triple {23399#(and (<= 268435365 main_~x~0) (<= main_~x~0 268435365))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23400#(and (<= 268435363 main_~x~0) (<= main_~x~0 268435363))} is VALID [2022-04-08 09:28:28,145 INFO L290 TraceCheckUtils]: 45: Hoare triple {23400#(and (<= 268435363 main_~x~0) (<= main_~x~0 268435363))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23401#(and (<= main_~x~0 268435361) (<= 268435361 main_~x~0))} is VALID [2022-04-08 09:28:28,145 INFO L290 TraceCheckUtils]: 46: Hoare triple {23401#(and (<= main_~x~0 268435361) (<= 268435361 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23402#(and (<= main_~x~0 268435359) (<= 268435359 main_~x~0))} is VALID [2022-04-08 09:28:28,146 INFO L290 TraceCheckUtils]: 47: Hoare triple {23402#(and (<= main_~x~0 268435359) (<= 268435359 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23403#(and (<= main_~x~0 268435357) (<= 268435357 main_~x~0))} is VALID [2022-04-08 09:28:28,146 INFO L290 TraceCheckUtils]: 48: Hoare triple {23403#(and (<= main_~x~0 268435357) (<= 268435357 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23404#(and (<= main_~x~0 268435355) (<= 268435355 main_~x~0))} is VALID [2022-04-08 09:28:28,147 INFO L290 TraceCheckUtils]: 49: Hoare triple {23404#(and (<= main_~x~0 268435355) (<= 268435355 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23405#(and (<= main_~x~0 268435353) (<= 268435353 main_~x~0))} is VALID [2022-04-08 09:28:28,148 INFO L290 TraceCheckUtils]: 50: Hoare triple {23405#(and (<= main_~x~0 268435353) (<= 268435353 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23406#(and (<= 268435351 main_~x~0) (<= (div main_~x~0 4294967296) 0))} is VALID [2022-04-08 09:28:28,148 INFO L290 TraceCheckUtils]: 51: Hoare triple {23406#(and (<= 268435351 main_~x~0) (<= (div main_~x~0 4294967296) 0))} assume !(~x~0 % 4294967296 > 1); {23357#false} is VALID [2022-04-08 09:28:28,148 INFO L272 TraceCheckUtils]: 52: Hoare triple {23357#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)); {23357#false} is VALID [2022-04-08 09:28:28,148 INFO L290 TraceCheckUtils]: 53: Hoare triple {23357#false} ~cond := #in~cond; {23357#false} is VALID [2022-04-08 09:28:28,148 INFO L290 TraceCheckUtils]: 54: Hoare triple {23357#false} assume 0 == ~cond; {23357#false} is VALID [2022-04-08 09:28:28,148 INFO L290 TraceCheckUtils]: 55: Hoare triple {23357#false} assume !false; {23357#false} is VALID [2022-04-08 09:28:28,149 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:28:28,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 09:28:28,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182326594] [2022-04-08 09:28:28,149 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182326594] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-08 09:28:28,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [164992509] [2022-04-08 09:28:28,149 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-04-08 09:28:28,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 09:28:28,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 09:28:28,150 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) [2022-04-08 09:28:28,155 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2022-04-08 09:28:37,575 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 24 check-sat command(s) [2022-04-08 09:28:37,575 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 09:28:37,585 WARN L261 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 93 conjunts are in the unsatisfiable core [2022-04-08 09:28:37,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:28:37,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 09:28:38,192 INFO L272 TraceCheckUtils]: 0: Hoare triple {23356#true} call ULTIMATE.init(); {23356#true} is VALID [2022-04-08 09:28:38,192 INFO L290 TraceCheckUtils]: 1: Hoare triple {23356#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(13, 2);call #Ultimate.allocInit(12, 3); {23356#true} is VALID [2022-04-08 09:28:38,192 INFO L290 TraceCheckUtils]: 2: Hoare triple {23356#true} assume true; {23356#true} is VALID [2022-04-08 09:28:38,193 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {23356#true} {23356#true} #34#return; {23356#true} is VALID [2022-04-08 09:28:38,193 INFO L272 TraceCheckUtils]: 4: Hoare triple {23356#true} call #t~ret4 := main(); {23356#true} is VALID [2022-04-08 09:28:38,193 INFO L290 TraceCheckUtils]: 5: Hoare triple {23356#true} ~x~0 := 268435441; {23361#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:28:38,194 INFO L290 TraceCheckUtils]: 6: Hoare triple {23361#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23362#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:28:38,194 INFO L290 TraceCheckUtils]: 7: Hoare triple {23362#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23363#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:28:38,195 INFO L290 TraceCheckUtils]: 8: Hoare triple {23363#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23364#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:28:38,195 INFO L290 TraceCheckUtils]: 9: Hoare triple {23364#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23365#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:28:38,196 INFO L290 TraceCheckUtils]: 10: Hoare triple {23365#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23366#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:28:38,196 INFO L290 TraceCheckUtils]: 11: Hoare triple {23366#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23367#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:28:38,197 INFO L290 TraceCheckUtils]: 12: Hoare triple {23367#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23368#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:28:38,197 INFO L290 TraceCheckUtils]: 13: Hoare triple {23368#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23369#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:28:38,198 INFO L290 TraceCheckUtils]: 14: Hoare triple {23369#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23370#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:28:38,198 INFO L290 TraceCheckUtils]: 15: Hoare triple {23370#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23371#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:28:38,199 INFO L290 TraceCheckUtils]: 16: Hoare triple {23371#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23372#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:28:38,199 INFO L290 TraceCheckUtils]: 17: Hoare triple {23372#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23373#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:28:38,200 INFO L290 TraceCheckUtils]: 18: Hoare triple {23373#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23374#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:28:38,200 INFO L290 TraceCheckUtils]: 19: Hoare triple {23374#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23375#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} is VALID [2022-04-08 09:28:38,201 INFO L290 TraceCheckUtils]: 20: Hoare triple {23375#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23376#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} is VALID [2022-04-08 09:28:38,201 INFO L290 TraceCheckUtils]: 21: Hoare triple {23376#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23377#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} is VALID [2022-04-08 09:28:38,202 INFO L290 TraceCheckUtils]: 22: Hoare triple {23377#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23378#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} is VALID [2022-04-08 09:28:38,202 INFO L290 TraceCheckUtils]: 23: Hoare triple {23378#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23379#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} is VALID [2022-04-08 09:28:38,203 INFO L290 TraceCheckUtils]: 24: Hoare triple {23379#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23380#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} is VALID [2022-04-08 09:28:38,203 INFO L290 TraceCheckUtils]: 25: Hoare triple {23380#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23381#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} is VALID [2022-04-08 09:28:38,204 INFO L290 TraceCheckUtils]: 26: Hoare triple {23381#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23382#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} is VALID [2022-04-08 09:28:38,204 INFO L290 TraceCheckUtils]: 27: Hoare triple {23382#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23383#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} is VALID [2022-04-08 09:28:38,205 INFO L290 TraceCheckUtils]: 28: Hoare triple {23383#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23384#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} is VALID [2022-04-08 09:28:38,206 INFO L290 TraceCheckUtils]: 29: Hoare triple {23384#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23385#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} is VALID [2022-04-08 09:28:38,206 INFO L290 TraceCheckUtils]: 30: Hoare triple {23385#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23386#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} is VALID [2022-04-08 09:28:38,207 INFO L290 TraceCheckUtils]: 31: Hoare triple {23386#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23387#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} is VALID [2022-04-08 09:28:38,207 INFO L290 TraceCheckUtils]: 32: Hoare triple {23387#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23388#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} is VALID [2022-04-08 09:28:38,208 INFO L290 TraceCheckUtils]: 33: Hoare triple {23388#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23389#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} is VALID [2022-04-08 09:28:38,208 INFO L290 TraceCheckUtils]: 34: Hoare triple {23389#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23390#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} is VALID [2022-04-08 09:28:38,209 INFO L290 TraceCheckUtils]: 35: Hoare triple {23390#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23391#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} is VALID [2022-04-08 09:28:38,209 INFO L290 TraceCheckUtils]: 36: Hoare triple {23391#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23392#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} is VALID [2022-04-08 09:28:38,210 INFO L290 TraceCheckUtils]: 37: Hoare triple {23392#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23393#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} is VALID [2022-04-08 09:28:38,210 INFO L290 TraceCheckUtils]: 38: Hoare triple {23393#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23394#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} is VALID [2022-04-08 09:28:38,211 INFO L290 TraceCheckUtils]: 39: Hoare triple {23394#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23395#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} is VALID [2022-04-08 09:28:38,211 INFO L290 TraceCheckUtils]: 40: Hoare triple {23395#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23396#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} is VALID [2022-04-08 09:28:38,212 INFO L290 TraceCheckUtils]: 41: Hoare triple {23396#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23397#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} is VALID [2022-04-08 09:28:38,213 INFO L290 TraceCheckUtils]: 42: Hoare triple {23397#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23398#(and (<= main_~x~0 268435367) (<= 268435367 main_~x~0))} is VALID [2022-04-08 09:28:38,213 INFO L290 TraceCheckUtils]: 43: Hoare triple {23398#(and (<= main_~x~0 268435367) (<= 268435367 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23399#(and (<= 268435365 main_~x~0) (<= main_~x~0 268435365))} is VALID [2022-04-08 09:28:38,214 INFO L290 TraceCheckUtils]: 44: Hoare triple {23399#(and (<= 268435365 main_~x~0) (<= main_~x~0 268435365))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23400#(and (<= 268435363 main_~x~0) (<= main_~x~0 268435363))} is VALID [2022-04-08 09:28:38,214 INFO L290 TraceCheckUtils]: 45: Hoare triple {23400#(and (<= 268435363 main_~x~0) (<= main_~x~0 268435363))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23401#(and (<= main_~x~0 268435361) (<= 268435361 main_~x~0))} is VALID [2022-04-08 09:28:38,215 INFO L290 TraceCheckUtils]: 46: Hoare triple {23401#(and (<= main_~x~0 268435361) (<= 268435361 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23402#(and (<= main_~x~0 268435359) (<= 268435359 main_~x~0))} is VALID [2022-04-08 09:28:38,215 INFO L290 TraceCheckUtils]: 47: Hoare triple {23402#(and (<= main_~x~0 268435359) (<= 268435359 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23403#(and (<= main_~x~0 268435357) (<= 268435357 main_~x~0))} is VALID [2022-04-08 09:28:38,216 INFO L290 TraceCheckUtils]: 48: Hoare triple {23403#(and (<= main_~x~0 268435357) (<= 268435357 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23404#(and (<= main_~x~0 268435355) (<= 268435355 main_~x~0))} is VALID [2022-04-08 09:28:38,216 INFO L290 TraceCheckUtils]: 49: Hoare triple {23404#(and (<= main_~x~0 268435355) (<= 268435355 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23405#(and (<= main_~x~0 268435353) (<= 268435353 main_~x~0))} is VALID [2022-04-08 09:28:38,217 INFO L290 TraceCheckUtils]: 50: Hoare triple {23405#(and (<= main_~x~0 268435353) (<= 268435353 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23561#(and (<= 268435351 main_~x~0) (<= main_~x~0 268435351))} is VALID [2022-04-08 09:28:38,217 INFO L290 TraceCheckUtils]: 51: Hoare triple {23561#(and (<= 268435351 main_~x~0) (<= main_~x~0 268435351))} assume !(~x~0 % 4294967296 > 1); {23357#false} is VALID [2022-04-08 09:28:38,217 INFO L272 TraceCheckUtils]: 52: Hoare triple {23357#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)); {23357#false} is VALID [2022-04-08 09:28:38,217 INFO L290 TraceCheckUtils]: 53: Hoare triple {23357#false} ~cond := #in~cond; {23357#false} is VALID [2022-04-08 09:28:38,218 INFO L290 TraceCheckUtils]: 54: Hoare triple {23357#false} assume 0 == ~cond; {23357#false} is VALID [2022-04-08 09:28:38,218 INFO L290 TraceCheckUtils]: 55: Hoare triple {23357#false} assume !false; {23357#false} is VALID [2022-04-08 09:28:38,218 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:28:38,218 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 09:28:41,639 INFO L290 TraceCheckUtils]: 55: Hoare triple {23357#false} assume !false; {23357#false} is VALID [2022-04-08 09:28:41,639 INFO L290 TraceCheckUtils]: 54: Hoare triple {23357#false} assume 0 == ~cond; {23357#false} is VALID [2022-04-08 09:28:41,639 INFO L290 TraceCheckUtils]: 53: Hoare triple {23357#false} ~cond := #in~cond; {23357#false} is VALID [2022-04-08 09:28:41,639 INFO L272 TraceCheckUtils]: 52: Hoare triple {23357#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)); {23357#false} is VALID [2022-04-08 09:28:41,640 INFO L290 TraceCheckUtils]: 51: Hoare triple {23589#(< 1 (mod main_~x~0 4294967296))} assume !(~x~0 % 4294967296 > 1); {23357#false} is VALID [2022-04-08 09:28:41,640 INFO L290 TraceCheckUtils]: 50: Hoare triple {23593#(< 1 (mod (+ main_~x~0 4294967294) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23589#(< 1 (mod main_~x~0 4294967296))} is VALID [2022-04-08 09:28:41,641 INFO L290 TraceCheckUtils]: 49: Hoare triple {23597#(< 1 (mod (+ 4294967292 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23593#(< 1 (mod (+ main_~x~0 4294967294) 4294967296))} is VALID [2022-04-08 09:28:41,642 INFO L290 TraceCheckUtils]: 48: Hoare triple {23601#(< 1 (mod (+ 4294967290 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23597#(< 1 (mod (+ 4294967292 main_~x~0) 4294967296))} is VALID [2022-04-08 09:28:41,642 INFO L290 TraceCheckUtils]: 47: Hoare triple {23605#(< 1 (mod (+ 4294967288 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23601#(< 1 (mod (+ 4294967290 main_~x~0) 4294967296))} is VALID [2022-04-08 09:28:41,643 INFO L290 TraceCheckUtils]: 46: Hoare triple {23609#(< 1 (mod (+ main_~x~0 4294967286) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23605#(< 1 (mod (+ 4294967288 main_~x~0) 4294967296))} is VALID [2022-04-08 09:28:41,644 INFO L290 TraceCheckUtils]: 45: Hoare triple {23613#(< 1 (mod (+ main_~x~0 4294967284) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23609#(< 1 (mod (+ main_~x~0 4294967286) 4294967296))} is VALID [2022-04-08 09:28:41,644 INFO L290 TraceCheckUtils]: 44: Hoare triple {23617#(< 1 (mod (+ 4294967282 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23613#(< 1 (mod (+ main_~x~0 4294967284) 4294967296))} is VALID [2022-04-08 09:28:41,645 INFO L290 TraceCheckUtils]: 43: Hoare triple {23621#(< 1 (mod (+ main_~x~0 4294967280) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23617#(< 1 (mod (+ 4294967282 main_~x~0) 4294967296))} is VALID [2022-04-08 09:28:41,646 INFO L290 TraceCheckUtils]: 42: Hoare triple {23625#(< 1 (mod (+ main_~x~0 4294967278) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23621#(< 1 (mod (+ main_~x~0 4294967280) 4294967296))} is VALID [2022-04-08 09:28:41,646 INFO L290 TraceCheckUtils]: 41: Hoare triple {23629#(< 1 (mod (+ 4294967276 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23625#(< 1 (mod (+ main_~x~0 4294967278) 4294967296))} is VALID [2022-04-08 09:28:41,647 INFO L290 TraceCheckUtils]: 40: Hoare triple {23633#(< 1 (mod (+ 4294967274 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23629#(< 1 (mod (+ 4294967276 main_~x~0) 4294967296))} is VALID [2022-04-08 09:28:41,648 INFO L290 TraceCheckUtils]: 39: Hoare triple {23637#(< 1 (mod (+ 4294967272 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23633#(< 1 (mod (+ 4294967274 main_~x~0) 4294967296))} is VALID [2022-04-08 09:28:41,649 INFO L290 TraceCheckUtils]: 38: Hoare triple {23641#(< 1 (mod (+ main_~x~0 4294967270) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23637#(< 1 (mod (+ 4294967272 main_~x~0) 4294967296))} is VALID [2022-04-08 09:28:41,649 INFO L290 TraceCheckUtils]: 37: Hoare triple {23645#(< 1 (mod (+ main_~x~0 4294967268) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23641#(< 1 (mod (+ main_~x~0 4294967270) 4294967296))} is VALID [2022-04-08 09:28:41,650 INFO L290 TraceCheckUtils]: 36: Hoare triple {23649#(< 1 (mod (+ main_~x~0 4294967266) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23645#(< 1 (mod (+ main_~x~0 4294967268) 4294967296))} is VALID [2022-04-08 09:28:41,651 INFO L290 TraceCheckUtils]: 35: Hoare triple {23653#(< 1 (mod (+ main_~x~0 4294967264) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23649#(< 1 (mod (+ main_~x~0 4294967266) 4294967296))} is VALID [2022-04-08 09:28:41,651 INFO L290 TraceCheckUtils]: 34: Hoare triple {23657#(< 1 (mod (+ main_~x~0 4294967262) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23653#(< 1 (mod (+ main_~x~0 4294967264) 4294967296))} is VALID [2022-04-08 09:28:41,652 INFO L290 TraceCheckUtils]: 33: Hoare triple {23661#(< 1 (mod (+ 4294967260 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23657#(< 1 (mod (+ main_~x~0 4294967262) 4294967296))} is VALID [2022-04-08 09:28:41,653 INFO L290 TraceCheckUtils]: 32: Hoare triple {23665#(< 1 (mod (+ main_~x~0 4294967258) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23661#(< 1 (mod (+ 4294967260 main_~x~0) 4294967296))} is VALID [2022-04-08 09:28:41,653 INFO L290 TraceCheckUtils]: 31: Hoare triple {23669#(< 1 (mod (+ main_~x~0 4294967256) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23665#(< 1 (mod (+ main_~x~0 4294967258) 4294967296))} is VALID [2022-04-08 09:28:41,654 INFO L290 TraceCheckUtils]: 30: Hoare triple {23673#(< 1 (mod (+ 4294967254 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23669#(< 1 (mod (+ main_~x~0 4294967256) 4294967296))} is VALID [2022-04-08 09:28:41,654 INFO L290 TraceCheckUtils]: 29: Hoare triple {23677#(< 1 (mod (+ main_~x~0 4294967252) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23673#(< 1 (mod (+ 4294967254 main_~x~0) 4294967296))} is VALID [2022-04-08 09:28:41,655 INFO L290 TraceCheckUtils]: 28: Hoare triple {23681#(< 1 (mod (+ 4294967250 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23677#(< 1 (mod (+ main_~x~0 4294967252) 4294967296))} is VALID [2022-04-08 09:28:41,656 INFO L290 TraceCheckUtils]: 27: Hoare triple {23685#(< 1 (mod (+ main_~x~0 4294967248) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23681#(< 1 (mod (+ 4294967250 main_~x~0) 4294967296))} is VALID [2022-04-08 09:28:41,656 INFO L290 TraceCheckUtils]: 26: Hoare triple {23689#(< 1 (mod (+ 4294967246 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23685#(< 1 (mod (+ main_~x~0 4294967248) 4294967296))} is VALID [2022-04-08 09:28:41,657 INFO L290 TraceCheckUtils]: 25: Hoare triple {23693#(< 1 (mod (+ main_~x~0 4294967244) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23689#(< 1 (mod (+ 4294967246 main_~x~0) 4294967296))} is VALID [2022-04-08 09:28:41,658 INFO L290 TraceCheckUtils]: 24: Hoare triple {23697#(< 1 (mod (+ main_~x~0 4294967242) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23693#(< 1 (mod (+ main_~x~0 4294967244) 4294967296))} is VALID [2022-04-08 09:28:41,658 INFO L290 TraceCheckUtils]: 23: Hoare triple {23701#(< 1 (mod (+ 4294967240 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23697#(< 1 (mod (+ main_~x~0 4294967242) 4294967296))} is VALID [2022-04-08 09:28:41,659 INFO L290 TraceCheckUtils]: 22: Hoare triple {23705#(< 1 (mod (+ 4294967238 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23701#(< 1 (mod (+ 4294967240 main_~x~0) 4294967296))} is VALID [2022-04-08 09:28:41,659 INFO L290 TraceCheckUtils]: 21: Hoare triple {23709#(< 1 (mod (+ main_~x~0 4294967236) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23705#(< 1 (mod (+ 4294967238 main_~x~0) 4294967296))} is VALID [2022-04-08 09:28:41,660 INFO L290 TraceCheckUtils]: 20: Hoare triple {23713#(< 1 (mod (+ main_~x~0 4294967234) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23709#(< 1 (mod (+ main_~x~0 4294967236) 4294967296))} is VALID [2022-04-08 09:28:41,661 INFO L290 TraceCheckUtils]: 19: Hoare triple {23717#(< 1 (mod (+ main_~x~0 4294967232) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23713#(< 1 (mod (+ main_~x~0 4294967234) 4294967296))} is VALID [2022-04-08 09:28:41,661 INFO L290 TraceCheckUtils]: 18: Hoare triple {23721#(< 1 (mod (+ 4294967230 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23717#(< 1 (mod (+ main_~x~0 4294967232) 4294967296))} is VALID [2022-04-08 09:28:41,662 INFO L290 TraceCheckUtils]: 17: Hoare triple {23725#(< 1 (mod (+ main_~x~0 4294967228) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23721#(< 1 (mod (+ 4294967230 main_~x~0) 4294967296))} is VALID [2022-04-08 09:28:41,663 INFO L290 TraceCheckUtils]: 16: Hoare triple {23729#(< 1 (mod (+ main_~x~0 4294967226) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23725#(< 1 (mod (+ main_~x~0 4294967228) 4294967296))} is VALID [2022-04-08 09:28:41,663 INFO L290 TraceCheckUtils]: 15: Hoare triple {23733#(< 1 (mod (+ 4294967224 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23729#(< 1 (mod (+ main_~x~0 4294967226) 4294967296))} is VALID [2022-04-08 09:28:41,664 INFO L290 TraceCheckUtils]: 14: Hoare triple {23737#(< 1 (mod (+ main_~x~0 4294967222) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23733#(< 1 (mod (+ 4294967224 main_~x~0) 4294967296))} is VALID [2022-04-08 09:28:41,665 INFO L290 TraceCheckUtils]: 13: Hoare triple {23741#(< 1 (mod (+ main_~x~0 4294967220) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23737#(< 1 (mod (+ main_~x~0 4294967222) 4294967296))} is VALID [2022-04-08 09:28:41,665 INFO L290 TraceCheckUtils]: 12: Hoare triple {23745#(< 1 (mod (+ 4294967218 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23741#(< 1 (mod (+ main_~x~0 4294967220) 4294967296))} is VALID [2022-04-08 09:28:41,666 INFO L290 TraceCheckUtils]: 11: Hoare triple {23749#(< 1 (mod (+ 4294967216 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23745#(< 1 (mod (+ 4294967218 main_~x~0) 4294967296))} is VALID [2022-04-08 09:28:41,666 INFO L290 TraceCheckUtils]: 10: Hoare triple {23753#(< 1 (mod (+ main_~x~0 4294967214) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23749#(< 1 (mod (+ 4294967216 main_~x~0) 4294967296))} is VALID [2022-04-08 09:28:41,667 INFO L290 TraceCheckUtils]: 9: Hoare triple {23757#(< 1 (mod (+ 4294967212 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23753#(< 1 (mod (+ main_~x~0 4294967214) 4294967296))} is VALID [2022-04-08 09:28:41,668 INFO L290 TraceCheckUtils]: 8: Hoare triple {23761#(< 1 (mod (+ 4294967210 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23757#(< 1 (mod (+ 4294967212 main_~x~0) 4294967296))} is VALID [2022-04-08 09:28:41,669 INFO L290 TraceCheckUtils]: 7: Hoare triple {23765#(< 1 (mod (+ main_~x~0 4294967208) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23761#(< 1 (mod (+ 4294967210 main_~x~0) 4294967296))} is VALID [2022-04-08 09:28:41,669 INFO L290 TraceCheckUtils]: 6: Hoare triple {23769#(< 1 (mod (+ 4294967206 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {23765#(< 1 (mod (+ main_~x~0 4294967208) 4294967296))} is VALID [2022-04-08 09:28:41,670 INFO L290 TraceCheckUtils]: 5: Hoare triple {23356#true} ~x~0 := 268435441; {23769#(< 1 (mod (+ 4294967206 main_~x~0) 4294967296))} is VALID [2022-04-08 09:28:41,670 INFO L272 TraceCheckUtils]: 4: Hoare triple {23356#true} call #t~ret4 := main(); {23356#true} is VALID [2022-04-08 09:28:41,670 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {23356#true} {23356#true} #34#return; {23356#true} is VALID [2022-04-08 09:28:41,670 INFO L290 TraceCheckUtils]: 2: Hoare triple {23356#true} assume true; {23356#true} is VALID [2022-04-08 09:28:41,670 INFO L290 TraceCheckUtils]: 1: Hoare triple {23356#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(13, 2);call #Ultimate.allocInit(12, 3); {23356#true} is VALID [2022-04-08 09:28:41,670 INFO L272 TraceCheckUtils]: 0: Hoare triple {23356#true} call ULTIMATE.init(); {23356#true} is VALID [2022-04-08 09:28:41,670 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:28:41,671 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [164992509] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-08 09:28:41,671 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-08 09:28:41,671 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 48, 48] total 96 [2022-04-08 09:28:41,671 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 09:28:41,671 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1649030441] [2022-04-08 09:28:41,671 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1649030441] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 09:28:41,671 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 09:28:41,671 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [49] imperfect sequences [] total 49 [2022-04-08 09:28:41,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179651362] [2022-04-08 09:28:41,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 09:28:41,672 INFO L78 Accepts]: Start accepts. Automaton has has 49 states, 49 states have (on average 1.0612244897959184) internal successors, (52), 48 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 [2022-04-08 09:28:41,675 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 09:28:41,675 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 49 states, 49 states have (on average 1.0612244897959184) internal successors, (52), 48 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) [2022-04-08 09:28:41,707 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 56 edges. 56 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:28:41,707 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2022-04-08 09:28:41,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 09:28:41,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2022-04-08 09:28:41,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2397, Invalid=6723, Unknown=0, NotChecked=0, Total=9120 [2022-04-08 09:28:41,708 INFO L87 Difference]: Start difference. First operand 57 states and 57 transitions. Second operand has 49 states, 49 states have (on average 1.0612244897959184) internal successors, (52), 48 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) [2022-04-08 09:28:46,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:28:46,032 INFO L93 Difference]: Finished difference Result 63 states and 63 transitions. [2022-04-08 09:28:46,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-04-08 09:28:46,033 INFO L78 Accepts]: Start accepts. Automaton has has 49 states, 49 states have (on average 1.0612244897959184) internal successors, (52), 48 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 [2022-04-08 09:28:46,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 09:28:46,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 49 states have (on average 1.0612244897959184) internal successors, (52), 48 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) [2022-04-08 09:28:46,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 63 transitions. [2022-04-08 09:28:46,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 49 states have (on average 1.0612244897959184) internal successors, (52), 48 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) [2022-04-08 09:28:46,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 63 transitions. [2022-04-08 09:28:46,035 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 49 states and 63 transitions. [2022-04-08 09:28:46,086 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 63 edges. 63 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:28:46,087 INFO L225 Difference]: With dead ends: 63 [2022-04-08 09:28:46,087 INFO L226 Difference]: Without dead ends: 58 [2022-04-08 09:28:46,089 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 67 SyntacticMatches, 1 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1130 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=4787, Invalid=15235, Unknown=0, NotChecked=0, Total=20022 [2022-04-08 09:28:46,089 INFO L913 BasicCegarLoop]: 11 mSDtfsCounter, 6 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 2157 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 2250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 2157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-04-08 09:28:46,089 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 98 Invalid, 2250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 2157 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-04-08 09:28:46,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2022-04-08 09:28:46,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2022-04-08 09:28:46,168 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 09:28:46,168 INFO L82 GeneralOperation]: Start isEquivalent. First operand 58 states. Second operand has 58 states, 53 states have (on average 1.0188679245283019) internal successors, (54), 53 states have internal predecessors, (54), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:28:46,168 INFO L74 IsIncluded]: Start isIncluded. First operand 58 states. Second operand has 58 states, 53 states have (on average 1.0188679245283019) internal successors, (54), 53 states have internal predecessors, (54), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:28:46,168 INFO L87 Difference]: Start difference. First operand 58 states. Second operand has 58 states, 53 states have (on average 1.0188679245283019) internal successors, (54), 53 states have internal predecessors, (54), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:28:46,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:28:46,169 INFO L93 Difference]: Finished difference Result 58 states and 58 transitions. [2022-04-08 09:28:46,169 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 58 transitions. [2022-04-08 09:28:46,169 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:28:46,169 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:28:46,170 INFO L74 IsIncluded]: Start isIncluded. First operand has 58 states, 53 states have (on average 1.0188679245283019) internal successors, (54), 53 states have internal predecessors, (54), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 58 states. [2022-04-08 09:28:46,170 INFO L87 Difference]: Start difference. First operand has 58 states, 53 states have (on average 1.0188679245283019) internal successors, (54), 53 states have internal predecessors, (54), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 58 states. [2022-04-08 09:28:46,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:28:46,170 INFO L93 Difference]: Finished difference Result 58 states and 58 transitions. [2022-04-08 09:28:46,171 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 58 transitions. [2022-04-08 09:28:46,171 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:28:46,171 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:28:46,171 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 09:28:46,171 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 09:28:46,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 53 states have (on average 1.0188679245283019) internal successors, (54), 53 states have internal predecessors, (54), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:28:46,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 58 transitions. [2022-04-08 09:28:46,172 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 58 transitions. Word has length 56 [2022-04-08 09:28:46,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 09:28:46,172 INFO L478 AbstractCegarLoop]: Abstraction has 58 states and 58 transitions. [2022-04-08 09:28:46,172 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 1.0612244897959184) internal successors, (52), 48 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) [2022-04-08 09:28:46,172 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 58 states and 58 transitions. [2022-04-08 09:28:46,215 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 58 edges. 58 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:28:46,216 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 58 transitions. [2022-04-08 09:28:46,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-04-08 09:28:46,216 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 09:28:46,216 INFO L499 BasicCegarLoop]: trace histogram [46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 09:28:46,223 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Forceful destruction successful, exit code 0 [2022-04-08 09:28:46,416 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2022-04-08 09:28:46,417 INFO L403 AbstractCegarLoop]: === Iteration 48 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 09:28:46,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 09:28:46,417 INFO L85 PathProgramCache]: Analyzing trace with hash -1947289956, now seen corresponding path program 91 times [2022-04-08 09:28:46,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 09:28:46,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [2043657418] [2022-04-08 09:28:46,420 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-08 09:28:46,420 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-08 09:28:46,420 INFO L85 PathProgramCache]: Analyzing trace with hash -1947289956, now seen corresponding path program 92 times [2022-04-08 09:28:46,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 09:28:46,420 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943571911] [2022-04-08 09:28:46,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 09:28:46,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 09:28:46,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:28:47,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-08 09:28:47,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:28:47,784 INFO L290 TraceCheckUtils]: 0: Hoare triple {24292#(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(13, 2);call #Ultimate.allocInit(12, 3); {24240#true} is VALID [2022-04-08 09:28:47,784 INFO L290 TraceCheckUtils]: 1: Hoare triple {24240#true} assume true; {24240#true} is VALID [2022-04-08 09:28:47,785 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {24240#true} {24240#true} #34#return; {24240#true} is VALID [2022-04-08 09:28:47,785 INFO L272 TraceCheckUtils]: 0: Hoare triple {24240#true} call ULTIMATE.init(); {24292#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-08 09:28:47,785 INFO L290 TraceCheckUtils]: 1: Hoare triple {24292#(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(13, 2);call #Ultimate.allocInit(12, 3); {24240#true} is VALID [2022-04-08 09:28:47,785 INFO L290 TraceCheckUtils]: 2: Hoare triple {24240#true} assume true; {24240#true} is VALID [2022-04-08 09:28:47,786 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {24240#true} {24240#true} #34#return; {24240#true} is VALID [2022-04-08 09:28:47,786 INFO L272 TraceCheckUtils]: 4: Hoare triple {24240#true} call #t~ret4 := main(); {24240#true} is VALID [2022-04-08 09:28:47,786 INFO L290 TraceCheckUtils]: 5: Hoare triple {24240#true} ~x~0 := 268435441; {24245#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:28:47,787 INFO L290 TraceCheckUtils]: 6: Hoare triple {24245#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24246#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:28:47,787 INFO L290 TraceCheckUtils]: 7: Hoare triple {24246#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24247#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:28:47,788 INFO L290 TraceCheckUtils]: 8: Hoare triple {24247#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24248#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:28:47,789 INFO L290 TraceCheckUtils]: 9: Hoare triple {24248#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24249#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:28:47,789 INFO L290 TraceCheckUtils]: 10: Hoare triple {24249#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24250#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:28:47,790 INFO L290 TraceCheckUtils]: 11: Hoare triple {24250#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24251#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:28:47,790 INFO L290 TraceCheckUtils]: 12: Hoare triple {24251#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24252#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:28:47,791 INFO L290 TraceCheckUtils]: 13: Hoare triple {24252#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24253#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:28:47,791 INFO L290 TraceCheckUtils]: 14: Hoare triple {24253#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24254#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:28:47,792 INFO L290 TraceCheckUtils]: 15: Hoare triple {24254#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24255#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:28:47,792 INFO L290 TraceCheckUtils]: 16: Hoare triple {24255#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24256#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:28:47,793 INFO L290 TraceCheckUtils]: 17: Hoare triple {24256#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24257#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:28:47,793 INFO L290 TraceCheckUtils]: 18: Hoare triple {24257#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24258#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:28:47,794 INFO L290 TraceCheckUtils]: 19: Hoare triple {24258#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24259#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} is VALID [2022-04-08 09:28:47,794 INFO L290 TraceCheckUtils]: 20: Hoare triple {24259#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24260#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} is VALID [2022-04-08 09:28:47,795 INFO L290 TraceCheckUtils]: 21: Hoare triple {24260#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24261#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} is VALID [2022-04-08 09:28:47,795 INFO L290 TraceCheckUtils]: 22: Hoare triple {24261#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24262#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} is VALID [2022-04-08 09:28:47,796 INFO L290 TraceCheckUtils]: 23: Hoare triple {24262#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24263#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} is VALID [2022-04-08 09:28:47,796 INFO L290 TraceCheckUtils]: 24: Hoare triple {24263#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24264#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} is VALID [2022-04-08 09:28:47,797 INFO L290 TraceCheckUtils]: 25: Hoare triple {24264#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24265#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} is VALID [2022-04-08 09:28:47,797 INFO L290 TraceCheckUtils]: 26: Hoare triple {24265#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24266#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} is VALID [2022-04-08 09:28:47,798 INFO L290 TraceCheckUtils]: 27: Hoare triple {24266#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24267#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} is VALID [2022-04-08 09:28:47,798 INFO L290 TraceCheckUtils]: 28: Hoare triple {24267#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24268#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} is VALID [2022-04-08 09:28:47,799 INFO L290 TraceCheckUtils]: 29: Hoare triple {24268#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24269#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} is VALID [2022-04-08 09:28:47,799 INFO L290 TraceCheckUtils]: 30: Hoare triple {24269#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24270#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} is VALID [2022-04-08 09:28:47,800 INFO L290 TraceCheckUtils]: 31: Hoare triple {24270#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24271#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} is VALID [2022-04-08 09:28:47,800 INFO L290 TraceCheckUtils]: 32: Hoare triple {24271#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24272#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} is VALID [2022-04-08 09:28:47,801 INFO L290 TraceCheckUtils]: 33: Hoare triple {24272#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24273#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} is VALID [2022-04-08 09:28:47,801 INFO L290 TraceCheckUtils]: 34: Hoare triple {24273#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24274#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} is VALID [2022-04-08 09:28:47,802 INFO L290 TraceCheckUtils]: 35: Hoare triple {24274#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24275#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} is VALID [2022-04-08 09:28:47,802 INFO L290 TraceCheckUtils]: 36: Hoare triple {24275#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24276#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} is VALID [2022-04-08 09:28:47,803 INFO L290 TraceCheckUtils]: 37: Hoare triple {24276#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24277#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} is VALID [2022-04-08 09:28:47,803 INFO L290 TraceCheckUtils]: 38: Hoare triple {24277#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24278#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} is VALID [2022-04-08 09:28:47,804 INFO L290 TraceCheckUtils]: 39: Hoare triple {24278#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24279#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} is VALID [2022-04-08 09:28:47,804 INFO L290 TraceCheckUtils]: 40: Hoare triple {24279#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24280#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} is VALID [2022-04-08 09:28:47,805 INFO L290 TraceCheckUtils]: 41: Hoare triple {24280#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24281#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} is VALID [2022-04-08 09:28:47,805 INFO L290 TraceCheckUtils]: 42: Hoare triple {24281#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24282#(and (<= main_~x~0 268435367) (<= 268435367 main_~x~0))} is VALID [2022-04-08 09:28:47,806 INFO L290 TraceCheckUtils]: 43: Hoare triple {24282#(and (<= main_~x~0 268435367) (<= 268435367 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24283#(and (<= 268435365 main_~x~0) (<= main_~x~0 268435365))} is VALID [2022-04-08 09:28:47,806 INFO L290 TraceCheckUtils]: 44: Hoare triple {24283#(and (<= 268435365 main_~x~0) (<= main_~x~0 268435365))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24284#(and (<= 268435363 main_~x~0) (<= main_~x~0 268435363))} is VALID [2022-04-08 09:28:47,807 INFO L290 TraceCheckUtils]: 45: Hoare triple {24284#(and (<= 268435363 main_~x~0) (<= main_~x~0 268435363))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24285#(and (<= main_~x~0 268435361) (<= 268435361 main_~x~0))} is VALID [2022-04-08 09:28:47,808 INFO L290 TraceCheckUtils]: 46: Hoare triple {24285#(and (<= main_~x~0 268435361) (<= 268435361 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24286#(and (<= main_~x~0 268435359) (<= 268435359 main_~x~0))} is VALID [2022-04-08 09:28:47,808 INFO L290 TraceCheckUtils]: 47: Hoare triple {24286#(and (<= main_~x~0 268435359) (<= 268435359 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24287#(and (<= main_~x~0 268435357) (<= 268435357 main_~x~0))} is VALID [2022-04-08 09:28:47,809 INFO L290 TraceCheckUtils]: 48: Hoare triple {24287#(and (<= main_~x~0 268435357) (<= 268435357 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24288#(and (<= main_~x~0 268435355) (<= 268435355 main_~x~0))} is VALID [2022-04-08 09:28:47,809 INFO L290 TraceCheckUtils]: 49: Hoare triple {24288#(and (<= main_~x~0 268435355) (<= 268435355 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24289#(and (<= main_~x~0 268435353) (<= 268435353 main_~x~0))} is VALID [2022-04-08 09:28:47,810 INFO L290 TraceCheckUtils]: 50: Hoare triple {24289#(and (<= main_~x~0 268435353) (<= 268435353 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24290#(and (<= 268435351 main_~x~0) (<= main_~x~0 268435351))} is VALID [2022-04-08 09:28:47,810 INFO L290 TraceCheckUtils]: 51: Hoare triple {24290#(and (<= 268435351 main_~x~0) (<= main_~x~0 268435351))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24291#(and (<= (div main_~x~0 4294967296) 0) (<= 268435349 main_~x~0))} is VALID [2022-04-08 09:28:47,811 INFO L290 TraceCheckUtils]: 52: Hoare triple {24291#(and (<= (div main_~x~0 4294967296) 0) (<= 268435349 main_~x~0))} assume !(~x~0 % 4294967296 > 1); {24241#false} is VALID [2022-04-08 09:28:47,811 INFO L272 TraceCheckUtils]: 53: Hoare triple {24241#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)); {24241#false} is VALID [2022-04-08 09:28:47,811 INFO L290 TraceCheckUtils]: 54: Hoare triple {24241#false} ~cond := #in~cond; {24241#false} is VALID [2022-04-08 09:28:47,811 INFO L290 TraceCheckUtils]: 55: Hoare triple {24241#false} assume 0 == ~cond; {24241#false} is VALID [2022-04-08 09:28:47,811 INFO L290 TraceCheckUtils]: 56: Hoare triple {24241#false} assume !false; {24241#false} is VALID [2022-04-08 09:28:47,811 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:28:47,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 09:28:47,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943571911] [2022-04-08 09:28:47,812 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943571911] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-08 09:28:47,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1001361927] [2022-04-08 09:28:47,812 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-08 09:28:47,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 09:28:47,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 09:28:47,814 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) [2022-04-08 09:28:47,814 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Waiting until timeout for monitored process [2022-04-08 09:28:47,941 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-08 09:28:47,941 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 09:28:47,943 WARN L261 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 95 conjunts are in the unsatisfiable core [2022-04-08 09:28:47,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:28:47,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 09:28:48,534 INFO L272 TraceCheckUtils]: 0: Hoare triple {24240#true} call ULTIMATE.init(); {24240#true} is VALID [2022-04-08 09:28:48,534 INFO L290 TraceCheckUtils]: 1: Hoare triple {24240#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(13, 2);call #Ultimate.allocInit(12, 3); {24240#true} is VALID [2022-04-08 09:28:48,534 INFO L290 TraceCheckUtils]: 2: Hoare triple {24240#true} assume true; {24240#true} is VALID [2022-04-08 09:28:48,534 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {24240#true} {24240#true} #34#return; {24240#true} is VALID [2022-04-08 09:28:48,534 INFO L272 TraceCheckUtils]: 4: Hoare triple {24240#true} call #t~ret4 := main(); {24240#true} is VALID [2022-04-08 09:28:48,535 INFO L290 TraceCheckUtils]: 5: Hoare triple {24240#true} ~x~0 := 268435441; {24245#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:28:48,535 INFO L290 TraceCheckUtils]: 6: Hoare triple {24245#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24246#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:28:48,536 INFO L290 TraceCheckUtils]: 7: Hoare triple {24246#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24247#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:28:48,536 INFO L290 TraceCheckUtils]: 8: Hoare triple {24247#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24248#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:28:48,537 INFO L290 TraceCheckUtils]: 9: Hoare triple {24248#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24249#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:28:48,537 INFO L290 TraceCheckUtils]: 10: Hoare triple {24249#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24250#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:28:48,538 INFO L290 TraceCheckUtils]: 11: Hoare triple {24250#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24251#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:28:48,538 INFO L290 TraceCheckUtils]: 12: Hoare triple {24251#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24252#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:28:48,539 INFO L290 TraceCheckUtils]: 13: Hoare triple {24252#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24253#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:28:48,539 INFO L290 TraceCheckUtils]: 14: Hoare triple {24253#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24254#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:28:48,540 INFO L290 TraceCheckUtils]: 15: Hoare triple {24254#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24255#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:28:48,540 INFO L290 TraceCheckUtils]: 16: Hoare triple {24255#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24256#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:28:48,541 INFO L290 TraceCheckUtils]: 17: Hoare triple {24256#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24257#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:28:48,541 INFO L290 TraceCheckUtils]: 18: Hoare triple {24257#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24258#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:28:48,542 INFO L290 TraceCheckUtils]: 19: Hoare triple {24258#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24259#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} is VALID [2022-04-08 09:28:48,542 INFO L290 TraceCheckUtils]: 20: Hoare triple {24259#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24260#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} is VALID [2022-04-08 09:28:48,543 INFO L290 TraceCheckUtils]: 21: Hoare triple {24260#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24261#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} is VALID [2022-04-08 09:28:48,543 INFO L290 TraceCheckUtils]: 22: Hoare triple {24261#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24262#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} is VALID [2022-04-08 09:28:48,544 INFO L290 TraceCheckUtils]: 23: Hoare triple {24262#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24263#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} is VALID [2022-04-08 09:28:48,545 INFO L290 TraceCheckUtils]: 24: Hoare triple {24263#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24264#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} is VALID [2022-04-08 09:28:48,545 INFO L290 TraceCheckUtils]: 25: Hoare triple {24264#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24265#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} is VALID [2022-04-08 09:28:48,546 INFO L290 TraceCheckUtils]: 26: Hoare triple {24265#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24266#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} is VALID [2022-04-08 09:28:48,546 INFO L290 TraceCheckUtils]: 27: Hoare triple {24266#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24267#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} is VALID [2022-04-08 09:28:48,547 INFO L290 TraceCheckUtils]: 28: Hoare triple {24267#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24268#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} is VALID [2022-04-08 09:28:48,547 INFO L290 TraceCheckUtils]: 29: Hoare triple {24268#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24269#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} is VALID [2022-04-08 09:28:48,548 INFO L290 TraceCheckUtils]: 30: Hoare triple {24269#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24270#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} is VALID [2022-04-08 09:28:48,548 INFO L290 TraceCheckUtils]: 31: Hoare triple {24270#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24271#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} is VALID [2022-04-08 09:28:48,549 INFO L290 TraceCheckUtils]: 32: Hoare triple {24271#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24272#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} is VALID [2022-04-08 09:28:48,549 INFO L290 TraceCheckUtils]: 33: Hoare triple {24272#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24273#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} is VALID [2022-04-08 09:28:48,550 INFO L290 TraceCheckUtils]: 34: Hoare triple {24273#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24274#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} is VALID [2022-04-08 09:28:48,550 INFO L290 TraceCheckUtils]: 35: Hoare triple {24274#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24275#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} is VALID [2022-04-08 09:28:48,551 INFO L290 TraceCheckUtils]: 36: Hoare triple {24275#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24276#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} is VALID [2022-04-08 09:28:48,551 INFO L290 TraceCheckUtils]: 37: Hoare triple {24276#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24277#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} is VALID [2022-04-08 09:28:48,552 INFO L290 TraceCheckUtils]: 38: Hoare triple {24277#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24278#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} is VALID [2022-04-08 09:28:48,552 INFO L290 TraceCheckUtils]: 39: Hoare triple {24278#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24279#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} is VALID [2022-04-08 09:28:48,553 INFO L290 TraceCheckUtils]: 40: Hoare triple {24279#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24280#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} is VALID [2022-04-08 09:28:48,553 INFO L290 TraceCheckUtils]: 41: Hoare triple {24280#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24281#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} is VALID [2022-04-08 09:28:48,554 INFO L290 TraceCheckUtils]: 42: Hoare triple {24281#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24282#(and (<= main_~x~0 268435367) (<= 268435367 main_~x~0))} is VALID [2022-04-08 09:28:48,554 INFO L290 TraceCheckUtils]: 43: Hoare triple {24282#(and (<= main_~x~0 268435367) (<= 268435367 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24283#(and (<= 268435365 main_~x~0) (<= main_~x~0 268435365))} is VALID [2022-04-08 09:28:48,555 INFO L290 TraceCheckUtils]: 44: Hoare triple {24283#(and (<= 268435365 main_~x~0) (<= main_~x~0 268435365))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24284#(and (<= 268435363 main_~x~0) (<= main_~x~0 268435363))} is VALID [2022-04-08 09:28:48,555 INFO L290 TraceCheckUtils]: 45: Hoare triple {24284#(and (<= 268435363 main_~x~0) (<= main_~x~0 268435363))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24285#(and (<= main_~x~0 268435361) (<= 268435361 main_~x~0))} is VALID [2022-04-08 09:28:48,556 INFO L290 TraceCheckUtils]: 46: Hoare triple {24285#(and (<= main_~x~0 268435361) (<= 268435361 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24286#(and (<= main_~x~0 268435359) (<= 268435359 main_~x~0))} is VALID [2022-04-08 09:28:48,556 INFO L290 TraceCheckUtils]: 47: Hoare triple {24286#(and (<= main_~x~0 268435359) (<= 268435359 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24287#(and (<= main_~x~0 268435357) (<= 268435357 main_~x~0))} is VALID [2022-04-08 09:28:48,557 INFO L290 TraceCheckUtils]: 48: Hoare triple {24287#(and (<= main_~x~0 268435357) (<= 268435357 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24288#(and (<= main_~x~0 268435355) (<= 268435355 main_~x~0))} is VALID [2022-04-08 09:28:48,557 INFO L290 TraceCheckUtils]: 49: Hoare triple {24288#(and (<= main_~x~0 268435355) (<= 268435355 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24289#(and (<= main_~x~0 268435353) (<= 268435353 main_~x~0))} is VALID [2022-04-08 09:28:48,558 INFO L290 TraceCheckUtils]: 50: Hoare triple {24289#(and (<= main_~x~0 268435353) (<= 268435353 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24290#(and (<= 268435351 main_~x~0) (<= main_~x~0 268435351))} is VALID [2022-04-08 09:28:48,558 INFO L290 TraceCheckUtils]: 51: Hoare triple {24290#(and (<= 268435351 main_~x~0) (<= main_~x~0 268435351))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24449#(and (<= 268435349 main_~x~0) (<= main_~x~0 268435349))} is VALID [2022-04-08 09:28:48,559 INFO L290 TraceCheckUtils]: 52: Hoare triple {24449#(and (<= 268435349 main_~x~0) (<= main_~x~0 268435349))} assume !(~x~0 % 4294967296 > 1); {24241#false} is VALID [2022-04-08 09:28:48,559 INFO L272 TraceCheckUtils]: 53: Hoare triple {24241#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)); {24241#false} is VALID [2022-04-08 09:28:48,559 INFO L290 TraceCheckUtils]: 54: Hoare triple {24241#false} ~cond := #in~cond; {24241#false} is VALID [2022-04-08 09:28:48,559 INFO L290 TraceCheckUtils]: 55: Hoare triple {24241#false} assume 0 == ~cond; {24241#false} is VALID [2022-04-08 09:28:48,559 INFO L290 TraceCheckUtils]: 56: Hoare triple {24241#false} assume !false; {24241#false} is VALID [2022-04-08 09:28:48,560 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:28:48,560 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 09:28:51,990 INFO L290 TraceCheckUtils]: 56: Hoare triple {24241#false} assume !false; {24241#false} is VALID [2022-04-08 09:28:51,990 INFO L290 TraceCheckUtils]: 55: Hoare triple {24241#false} assume 0 == ~cond; {24241#false} is VALID [2022-04-08 09:28:51,990 INFO L290 TraceCheckUtils]: 54: Hoare triple {24241#false} ~cond := #in~cond; {24241#false} is VALID [2022-04-08 09:28:51,991 INFO L272 TraceCheckUtils]: 53: Hoare triple {24241#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)); {24241#false} is VALID [2022-04-08 09:28:51,991 INFO L290 TraceCheckUtils]: 52: Hoare triple {24477#(< 1 (mod main_~x~0 4294967296))} assume !(~x~0 % 4294967296 > 1); {24241#false} is VALID [2022-04-08 09:28:51,992 INFO L290 TraceCheckUtils]: 51: Hoare triple {24481#(< 1 (mod (+ main_~x~0 4294967294) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24477#(< 1 (mod main_~x~0 4294967296))} is VALID [2022-04-08 09:28:51,993 INFO L290 TraceCheckUtils]: 50: Hoare triple {24485#(< 1 (mod (+ 4294967292 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24481#(< 1 (mod (+ main_~x~0 4294967294) 4294967296))} is VALID [2022-04-08 09:28:51,994 INFO L290 TraceCheckUtils]: 49: Hoare triple {24489#(< 1 (mod (+ 4294967290 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24485#(< 1 (mod (+ 4294967292 main_~x~0) 4294967296))} is VALID [2022-04-08 09:28:51,994 INFO L290 TraceCheckUtils]: 48: Hoare triple {24493#(< 1 (mod (+ 4294967288 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24489#(< 1 (mod (+ 4294967290 main_~x~0) 4294967296))} is VALID [2022-04-08 09:28:51,995 INFO L290 TraceCheckUtils]: 47: Hoare triple {24497#(< 1 (mod (+ main_~x~0 4294967286) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24493#(< 1 (mod (+ 4294967288 main_~x~0) 4294967296))} is VALID [2022-04-08 09:28:51,996 INFO L290 TraceCheckUtils]: 46: Hoare triple {24501#(< 1 (mod (+ main_~x~0 4294967284) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24497#(< 1 (mod (+ main_~x~0 4294967286) 4294967296))} is VALID [2022-04-08 09:28:51,996 INFO L290 TraceCheckUtils]: 45: Hoare triple {24505#(< 1 (mod (+ 4294967282 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24501#(< 1 (mod (+ main_~x~0 4294967284) 4294967296))} is VALID [2022-04-08 09:28:51,997 INFO L290 TraceCheckUtils]: 44: Hoare triple {24509#(< 1 (mod (+ main_~x~0 4294967280) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24505#(< 1 (mod (+ 4294967282 main_~x~0) 4294967296))} is VALID [2022-04-08 09:28:51,998 INFO L290 TraceCheckUtils]: 43: Hoare triple {24513#(< 1 (mod (+ main_~x~0 4294967278) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24509#(< 1 (mod (+ main_~x~0 4294967280) 4294967296))} is VALID [2022-04-08 09:28:51,998 INFO L290 TraceCheckUtils]: 42: Hoare triple {24517#(< 1 (mod (+ 4294967276 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24513#(< 1 (mod (+ main_~x~0 4294967278) 4294967296))} is VALID [2022-04-08 09:28:51,999 INFO L290 TraceCheckUtils]: 41: Hoare triple {24521#(< 1 (mod (+ 4294967274 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24517#(< 1 (mod (+ 4294967276 main_~x~0) 4294967296))} is VALID [2022-04-08 09:28:52,000 INFO L290 TraceCheckUtils]: 40: Hoare triple {24525#(< 1 (mod (+ 4294967272 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24521#(< 1 (mod (+ 4294967274 main_~x~0) 4294967296))} is VALID [2022-04-08 09:28:52,002 INFO L290 TraceCheckUtils]: 39: Hoare triple {24529#(< 1 (mod (+ main_~x~0 4294967270) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24525#(< 1 (mod (+ 4294967272 main_~x~0) 4294967296))} is VALID [2022-04-08 09:28:52,003 INFO L290 TraceCheckUtils]: 38: Hoare triple {24533#(< 1 (mod (+ main_~x~0 4294967268) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24529#(< 1 (mod (+ main_~x~0 4294967270) 4294967296))} is VALID [2022-04-08 09:28:52,004 INFO L290 TraceCheckUtils]: 37: Hoare triple {24537#(< 1 (mod (+ main_~x~0 4294967266) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24533#(< 1 (mod (+ main_~x~0 4294967268) 4294967296))} is VALID [2022-04-08 09:28:52,005 INFO L290 TraceCheckUtils]: 36: Hoare triple {24541#(< 1 (mod (+ main_~x~0 4294967264) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24537#(< 1 (mod (+ main_~x~0 4294967266) 4294967296))} is VALID [2022-04-08 09:28:52,005 INFO L290 TraceCheckUtils]: 35: Hoare triple {24545#(< 1 (mod (+ main_~x~0 4294967262) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24541#(< 1 (mod (+ main_~x~0 4294967264) 4294967296))} is VALID [2022-04-08 09:28:52,009 INFO L290 TraceCheckUtils]: 34: Hoare triple {24549#(< 1 (mod (+ 4294967260 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24545#(< 1 (mod (+ main_~x~0 4294967262) 4294967296))} is VALID [2022-04-08 09:28:52,010 INFO L290 TraceCheckUtils]: 33: Hoare triple {24553#(< 1 (mod (+ main_~x~0 4294967258) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24549#(< 1 (mod (+ 4294967260 main_~x~0) 4294967296))} is VALID [2022-04-08 09:28:52,011 INFO L290 TraceCheckUtils]: 32: Hoare triple {24557#(< 1 (mod (+ main_~x~0 4294967256) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24553#(< 1 (mod (+ main_~x~0 4294967258) 4294967296))} is VALID [2022-04-08 09:28:52,011 INFO L290 TraceCheckUtils]: 31: Hoare triple {24561#(< 1 (mod (+ 4294967254 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24557#(< 1 (mod (+ main_~x~0 4294967256) 4294967296))} is VALID [2022-04-08 09:28:52,012 INFO L290 TraceCheckUtils]: 30: Hoare triple {24565#(< 1 (mod (+ main_~x~0 4294967252) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24561#(< 1 (mod (+ 4294967254 main_~x~0) 4294967296))} is VALID [2022-04-08 09:28:52,013 INFO L290 TraceCheckUtils]: 29: Hoare triple {24569#(< 1 (mod (+ 4294967250 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24565#(< 1 (mod (+ main_~x~0 4294967252) 4294967296))} is VALID [2022-04-08 09:28:52,014 INFO L290 TraceCheckUtils]: 28: Hoare triple {24573#(< 1 (mod (+ main_~x~0 4294967248) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24569#(< 1 (mod (+ 4294967250 main_~x~0) 4294967296))} is VALID [2022-04-08 09:28:52,014 INFO L290 TraceCheckUtils]: 27: Hoare triple {24577#(< 1 (mod (+ 4294967246 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24573#(< 1 (mod (+ main_~x~0 4294967248) 4294967296))} is VALID [2022-04-08 09:28:52,015 INFO L290 TraceCheckUtils]: 26: Hoare triple {24581#(< 1 (mod (+ main_~x~0 4294967244) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24577#(< 1 (mod (+ 4294967246 main_~x~0) 4294967296))} is VALID [2022-04-08 09:28:52,016 INFO L290 TraceCheckUtils]: 25: Hoare triple {24585#(< 1 (mod (+ main_~x~0 4294967242) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24581#(< 1 (mod (+ main_~x~0 4294967244) 4294967296))} is VALID [2022-04-08 09:28:52,016 INFO L290 TraceCheckUtils]: 24: Hoare triple {24589#(< 1 (mod (+ 4294967240 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24585#(< 1 (mod (+ main_~x~0 4294967242) 4294967296))} is VALID [2022-04-08 09:28:52,017 INFO L290 TraceCheckUtils]: 23: Hoare triple {24593#(< 1 (mod (+ 4294967238 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24589#(< 1 (mod (+ 4294967240 main_~x~0) 4294967296))} is VALID [2022-04-08 09:28:52,018 INFO L290 TraceCheckUtils]: 22: Hoare triple {24597#(< 1 (mod (+ main_~x~0 4294967236) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24593#(< 1 (mod (+ 4294967238 main_~x~0) 4294967296))} is VALID [2022-04-08 09:28:52,018 INFO L290 TraceCheckUtils]: 21: Hoare triple {24601#(< 1 (mod (+ main_~x~0 4294967234) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24597#(< 1 (mod (+ main_~x~0 4294967236) 4294967296))} is VALID [2022-04-08 09:28:52,020 INFO L290 TraceCheckUtils]: 20: Hoare triple {24605#(< 1 (mod (+ main_~x~0 4294967232) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24601#(< 1 (mod (+ main_~x~0 4294967234) 4294967296))} is VALID [2022-04-08 09:28:52,020 INFO L290 TraceCheckUtils]: 19: Hoare triple {24609#(< 1 (mod (+ 4294967230 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24605#(< 1 (mod (+ main_~x~0 4294967232) 4294967296))} is VALID [2022-04-08 09:28:52,021 INFO L290 TraceCheckUtils]: 18: Hoare triple {24613#(< 1 (mod (+ main_~x~0 4294967228) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24609#(< 1 (mod (+ 4294967230 main_~x~0) 4294967296))} is VALID [2022-04-08 09:28:52,022 INFO L290 TraceCheckUtils]: 17: Hoare triple {24617#(< 1 (mod (+ main_~x~0 4294967226) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24613#(< 1 (mod (+ main_~x~0 4294967228) 4294967296))} is VALID [2022-04-08 09:28:52,022 INFO L290 TraceCheckUtils]: 16: Hoare triple {24621#(< 1 (mod (+ 4294967224 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24617#(< 1 (mod (+ main_~x~0 4294967226) 4294967296))} is VALID [2022-04-08 09:28:52,023 INFO L290 TraceCheckUtils]: 15: Hoare triple {24625#(< 1 (mod (+ main_~x~0 4294967222) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24621#(< 1 (mod (+ 4294967224 main_~x~0) 4294967296))} is VALID [2022-04-08 09:28:52,024 INFO L290 TraceCheckUtils]: 14: Hoare triple {24629#(< 1 (mod (+ main_~x~0 4294967220) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24625#(< 1 (mod (+ main_~x~0 4294967222) 4294967296))} is VALID [2022-04-08 09:28:52,024 INFO L290 TraceCheckUtils]: 13: Hoare triple {24633#(< 1 (mod (+ 4294967218 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24629#(< 1 (mod (+ main_~x~0 4294967220) 4294967296))} is VALID [2022-04-08 09:28:52,026 INFO L290 TraceCheckUtils]: 12: Hoare triple {24637#(< 1 (mod (+ 4294967216 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24633#(< 1 (mod (+ 4294967218 main_~x~0) 4294967296))} is VALID [2022-04-08 09:28:52,027 INFO L290 TraceCheckUtils]: 11: Hoare triple {24641#(< 1 (mod (+ main_~x~0 4294967214) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24637#(< 1 (mod (+ 4294967216 main_~x~0) 4294967296))} is VALID [2022-04-08 09:28:52,028 INFO L290 TraceCheckUtils]: 10: Hoare triple {24645#(< 1 (mod (+ 4294967212 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24641#(< 1 (mod (+ main_~x~0 4294967214) 4294967296))} is VALID [2022-04-08 09:28:52,029 INFO L290 TraceCheckUtils]: 9: Hoare triple {24649#(< 1 (mod (+ 4294967210 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24645#(< 1 (mod (+ 4294967212 main_~x~0) 4294967296))} is VALID [2022-04-08 09:28:52,029 INFO L290 TraceCheckUtils]: 8: Hoare triple {24653#(< 1 (mod (+ main_~x~0 4294967208) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24649#(< 1 (mod (+ 4294967210 main_~x~0) 4294967296))} is VALID [2022-04-08 09:28:52,030 INFO L290 TraceCheckUtils]: 7: Hoare triple {24657#(< 1 (mod (+ 4294967206 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24653#(< 1 (mod (+ main_~x~0 4294967208) 4294967296))} is VALID [2022-04-08 09:28:52,031 INFO L290 TraceCheckUtils]: 6: Hoare triple {24661#(< 1 (mod (+ main_~x~0 4294967204) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {24657#(< 1 (mod (+ 4294967206 main_~x~0) 4294967296))} is VALID [2022-04-08 09:28:52,031 INFO L290 TraceCheckUtils]: 5: Hoare triple {24240#true} ~x~0 := 268435441; {24661#(< 1 (mod (+ main_~x~0 4294967204) 4294967296))} is VALID [2022-04-08 09:28:52,031 INFO L272 TraceCheckUtils]: 4: Hoare triple {24240#true} call #t~ret4 := main(); {24240#true} is VALID [2022-04-08 09:28:52,031 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {24240#true} {24240#true} #34#return; {24240#true} is VALID [2022-04-08 09:28:52,031 INFO L290 TraceCheckUtils]: 2: Hoare triple {24240#true} assume true; {24240#true} is VALID [2022-04-08 09:28:52,032 INFO L290 TraceCheckUtils]: 1: Hoare triple {24240#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(13, 2);call #Ultimate.allocInit(12, 3); {24240#true} is VALID [2022-04-08 09:28:52,032 INFO L272 TraceCheckUtils]: 0: Hoare triple {24240#true} call ULTIMATE.init(); {24240#true} is VALID [2022-04-08 09:28:52,032 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:28:52,032 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1001361927] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-08 09:28:52,032 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-08 09:28:52,032 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 49, 49] total 98 [2022-04-08 09:28:52,033 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 09:28:52,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [2043657418] [2022-04-08 09:28:52,033 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [2043657418] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 09:28:52,033 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 09:28:52,033 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [50] imperfect sequences [] total 50 [2022-04-08 09:28:52,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898927527] [2022-04-08 09:28:52,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 09:28:52,033 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 50 states have (on average 1.06) internal successors, (53), 49 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 [2022-04-08 09:28:52,034 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 09:28:52,034 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 50 states, 50 states have (on average 1.06) internal successors, (53), 49 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) [2022-04-08 09:28:52,065 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 57 edges. 57 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:28:52,066 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2022-04-08 09:28:52,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 09:28:52,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2022-04-08 09:28:52,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2496, Invalid=7010, Unknown=0, NotChecked=0, Total=9506 [2022-04-08 09:28:52,067 INFO L87 Difference]: Start difference. First operand 58 states and 58 transitions. Second operand has 50 states, 50 states have (on average 1.06) internal successors, (53), 49 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) [2022-04-08 09:28:56,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:28:56,679 INFO L93 Difference]: Finished difference Result 64 states and 64 transitions. [2022-04-08 09:28:56,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-04-08 09:28:56,680 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 50 states have (on average 1.06) internal successors, (53), 49 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 [2022-04-08 09:28:56,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 09:28:56,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 50 states have (on average 1.06) internal successors, (53), 49 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) [2022-04-08 09:28:56,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 64 transitions. [2022-04-08 09:28:56,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 50 states have (on average 1.06) internal successors, (53), 49 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) [2022-04-08 09:28:56,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 64 transitions. [2022-04-08 09:28:56,681 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 50 states and 64 transitions. [2022-04-08 09:28:56,721 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 64 edges. 64 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:28:56,722 INFO L225 Difference]: With dead ends: 64 [2022-04-08 09:28:56,722 INFO L226 Difference]: Without dead ends: 59 [2022-04-08 09:28:56,723 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 68 SyntacticMatches, 1 SemanticMatches, 143 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1178 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=4985, Invalid=15895, Unknown=0, NotChecked=0, Total=20880 [2022-04-08 09:28:56,724 INFO L913 BasicCegarLoop]: 11 mSDtfsCounter, 6 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 2354 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 2449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 2354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-04-08 09:28:56,724 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 203 Invalid, 2449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 2354 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-04-08 09:28:56,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2022-04-08 09:28:56,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2022-04-08 09:28:56,785 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 09:28:56,785 INFO L82 GeneralOperation]: Start isEquivalent. First operand 59 states. Second operand has 59 states, 54 states have (on average 1.0185185185185186) internal successors, (55), 54 states have internal predecessors, (55), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:28:56,786 INFO L74 IsIncluded]: Start isIncluded. First operand 59 states. Second operand has 59 states, 54 states have (on average 1.0185185185185186) internal successors, (55), 54 states have internal predecessors, (55), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:28:56,786 INFO L87 Difference]: Start difference. First operand 59 states. Second operand has 59 states, 54 states have (on average 1.0185185185185186) internal successors, (55), 54 states have internal predecessors, (55), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:28:56,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:28:56,786 INFO L93 Difference]: Finished difference Result 59 states and 59 transitions. [2022-04-08 09:28:56,786 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 59 transitions. [2022-04-08 09:28:56,787 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:28:56,787 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:28:56,787 INFO L74 IsIncluded]: Start isIncluded. First operand has 59 states, 54 states have (on average 1.0185185185185186) internal successors, (55), 54 states have internal predecessors, (55), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 59 states. [2022-04-08 09:28:56,787 INFO L87 Difference]: Start difference. First operand has 59 states, 54 states have (on average 1.0185185185185186) internal successors, (55), 54 states have internal predecessors, (55), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 59 states. [2022-04-08 09:28:56,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:28:56,788 INFO L93 Difference]: Finished difference Result 59 states and 59 transitions. [2022-04-08 09:28:56,788 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 59 transitions. [2022-04-08 09:28:56,788 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:28:56,788 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:28:56,788 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 09:28:56,788 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 09:28:56,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 54 states have (on average 1.0185185185185186) internal successors, (55), 54 states have internal predecessors, (55), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:28:56,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 59 transitions. [2022-04-08 09:28:56,789 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 59 transitions. Word has length 57 [2022-04-08 09:28:56,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 09:28:56,789 INFO L478 AbstractCegarLoop]: Abstraction has 59 states and 59 transitions. [2022-04-08 09:28:56,789 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 1.06) internal successors, (53), 49 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) [2022-04-08 09:28:56,789 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 59 states and 59 transitions. [2022-04-08 09:28:56,837 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 59 edges. 59 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:28:56,837 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 59 transitions. [2022-04-08 09:28:56,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-04-08 09:28:56,838 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 09:28:56,838 INFO L499 BasicCegarLoop]: trace histogram [47, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 09:28:56,842 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Forceful destruction successful, exit code 0 [2022-04-08 09:28:57,038 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47,47 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 09:28:57,038 INFO L403 AbstractCegarLoop]: === Iteration 49 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 09:28:57,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 09:28:57,039 INFO L85 PathProgramCache]: Analyzing trace with hash -199985226, now seen corresponding path program 93 times [2022-04-08 09:28:57,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 09:28:57,039 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [49404008] [2022-04-08 09:28:57,042 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-08 09:28:57,042 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-08 09:28:57,042 INFO L85 PathProgramCache]: Analyzing trace with hash -199985226, now seen corresponding path program 94 times [2022-04-08 09:28:57,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 09:28:57,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404382119] [2022-04-08 09:28:57,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 09:28:57,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 09:28:57,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:28:58,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-08 09:28:58,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:28:58,365 INFO L290 TraceCheckUtils]: 0: Hoare triple {25193#(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(13, 2);call #Ultimate.allocInit(12, 3); {25140#true} is VALID [2022-04-08 09:28:58,366 INFO L290 TraceCheckUtils]: 1: Hoare triple {25140#true} assume true; {25140#true} is VALID [2022-04-08 09:28:58,366 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {25140#true} {25140#true} #34#return; {25140#true} is VALID [2022-04-08 09:28:58,366 INFO L272 TraceCheckUtils]: 0: Hoare triple {25140#true} call ULTIMATE.init(); {25193#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-08 09:28:58,366 INFO L290 TraceCheckUtils]: 1: Hoare triple {25193#(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(13, 2);call #Ultimate.allocInit(12, 3); {25140#true} is VALID [2022-04-08 09:28:58,366 INFO L290 TraceCheckUtils]: 2: Hoare triple {25140#true} assume true; {25140#true} is VALID [2022-04-08 09:28:58,366 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {25140#true} {25140#true} #34#return; {25140#true} is VALID [2022-04-08 09:28:58,367 INFO L272 TraceCheckUtils]: 4: Hoare triple {25140#true} call #t~ret4 := main(); {25140#true} is VALID [2022-04-08 09:28:58,367 INFO L290 TraceCheckUtils]: 5: Hoare triple {25140#true} ~x~0 := 268435441; {25145#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:28:58,368 INFO L290 TraceCheckUtils]: 6: Hoare triple {25145#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25146#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:28:58,368 INFO L290 TraceCheckUtils]: 7: Hoare triple {25146#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25147#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:28:58,369 INFO L290 TraceCheckUtils]: 8: Hoare triple {25147#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25148#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:28:58,369 INFO L290 TraceCheckUtils]: 9: Hoare triple {25148#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25149#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:28:58,370 INFO L290 TraceCheckUtils]: 10: Hoare triple {25149#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25150#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:28:58,370 INFO L290 TraceCheckUtils]: 11: Hoare triple {25150#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25151#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:28:58,371 INFO L290 TraceCheckUtils]: 12: Hoare triple {25151#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25152#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:28:58,371 INFO L290 TraceCheckUtils]: 13: Hoare triple {25152#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25153#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:28:58,372 INFO L290 TraceCheckUtils]: 14: Hoare triple {25153#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25154#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:28:58,372 INFO L290 TraceCheckUtils]: 15: Hoare triple {25154#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25155#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:28:58,373 INFO L290 TraceCheckUtils]: 16: Hoare triple {25155#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25156#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:28:58,373 INFO L290 TraceCheckUtils]: 17: Hoare triple {25156#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25157#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:28:58,374 INFO L290 TraceCheckUtils]: 18: Hoare triple {25157#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25158#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:28:58,374 INFO L290 TraceCheckUtils]: 19: Hoare triple {25158#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25159#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} is VALID [2022-04-08 09:28:58,375 INFO L290 TraceCheckUtils]: 20: Hoare triple {25159#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25160#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} is VALID [2022-04-08 09:28:58,375 INFO L290 TraceCheckUtils]: 21: Hoare triple {25160#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25161#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} is VALID [2022-04-08 09:28:58,376 INFO L290 TraceCheckUtils]: 22: Hoare triple {25161#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25162#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} is VALID [2022-04-08 09:28:58,376 INFO L290 TraceCheckUtils]: 23: Hoare triple {25162#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25163#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} is VALID [2022-04-08 09:28:58,377 INFO L290 TraceCheckUtils]: 24: Hoare triple {25163#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25164#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} is VALID [2022-04-08 09:28:58,377 INFO L290 TraceCheckUtils]: 25: Hoare triple {25164#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25165#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} is VALID [2022-04-08 09:28:58,378 INFO L290 TraceCheckUtils]: 26: Hoare triple {25165#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25166#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} is VALID [2022-04-08 09:28:58,378 INFO L290 TraceCheckUtils]: 27: Hoare triple {25166#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25167#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} is VALID [2022-04-08 09:28:58,379 INFO L290 TraceCheckUtils]: 28: Hoare triple {25167#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25168#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} is VALID [2022-04-08 09:28:58,379 INFO L290 TraceCheckUtils]: 29: Hoare triple {25168#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25169#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} is VALID [2022-04-08 09:28:58,380 INFO L290 TraceCheckUtils]: 30: Hoare triple {25169#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25170#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} is VALID [2022-04-08 09:28:58,380 INFO L290 TraceCheckUtils]: 31: Hoare triple {25170#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25171#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} is VALID [2022-04-08 09:28:58,381 INFO L290 TraceCheckUtils]: 32: Hoare triple {25171#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25172#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} is VALID [2022-04-08 09:28:58,381 INFO L290 TraceCheckUtils]: 33: Hoare triple {25172#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25173#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} is VALID [2022-04-08 09:28:58,382 INFO L290 TraceCheckUtils]: 34: Hoare triple {25173#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25174#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} is VALID [2022-04-08 09:28:58,382 INFO L290 TraceCheckUtils]: 35: Hoare triple {25174#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25175#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} is VALID [2022-04-08 09:28:58,383 INFO L290 TraceCheckUtils]: 36: Hoare triple {25175#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25176#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} is VALID [2022-04-08 09:28:58,383 INFO L290 TraceCheckUtils]: 37: Hoare triple {25176#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25177#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} is VALID [2022-04-08 09:28:58,384 INFO L290 TraceCheckUtils]: 38: Hoare triple {25177#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25178#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} is VALID [2022-04-08 09:28:58,384 INFO L290 TraceCheckUtils]: 39: Hoare triple {25178#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25179#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} is VALID [2022-04-08 09:28:58,385 INFO L290 TraceCheckUtils]: 40: Hoare triple {25179#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25180#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} is VALID [2022-04-08 09:28:58,385 INFO L290 TraceCheckUtils]: 41: Hoare triple {25180#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25181#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} is VALID [2022-04-08 09:28:58,386 INFO L290 TraceCheckUtils]: 42: Hoare triple {25181#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25182#(and (<= main_~x~0 268435367) (<= 268435367 main_~x~0))} is VALID [2022-04-08 09:28:58,386 INFO L290 TraceCheckUtils]: 43: Hoare triple {25182#(and (<= main_~x~0 268435367) (<= 268435367 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25183#(and (<= 268435365 main_~x~0) (<= main_~x~0 268435365))} is VALID [2022-04-08 09:28:58,387 INFO L290 TraceCheckUtils]: 44: Hoare triple {25183#(and (<= 268435365 main_~x~0) (<= main_~x~0 268435365))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25184#(and (<= 268435363 main_~x~0) (<= main_~x~0 268435363))} is VALID [2022-04-08 09:28:58,388 INFO L290 TraceCheckUtils]: 45: Hoare triple {25184#(and (<= 268435363 main_~x~0) (<= main_~x~0 268435363))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25185#(and (<= main_~x~0 268435361) (<= 268435361 main_~x~0))} is VALID [2022-04-08 09:28:58,388 INFO L290 TraceCheckUtils]: 46: Hoare triple {25185#(and (<= main_~x~0 268435361) (<= 268435361 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25186#(and (<= main_~x~0 268435359) (<= 268435359 main_~x~0))} is VALID [2022-04-08 09:28:58,389 INFO L290 TraceCheckUtils]: 47: Hoare triple {25186#(and (<= main_~x~0 268435359) (<= 268435359 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25187#(and (<= main_~x~0 268435357) (<= 268435357 main_~x~0))} is VALID [2022-04-08 09:28:58,389 INFO L290 TraceCheckUtils]: 48: Hoare triple {25187#(and (<= main_~x~0 268435357) (<= 268435357 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25188#(and (<= main_~x~0 268435355) (<= 268435355 main_~x~0))} is VALID [2022-04-08 09:28:58,390 INFO L290 TraceCheckUtils]: 49: Hoare triple {25188#(and (<= main_~x~0 268435355) (<= 268435355 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25189#(and (<= main_~x~0 268435353) (<= 268435353 main_~x~0))} is VALID [2022-04-08 09:28:58,390 INFO L290 TraceCheckUtils]: 50: Hoare triple {25189#(and (<= main_~x~0 268435353) (<= 268435353 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25190#(and (<= 268435351 main_~x~0) (<= main_~x~0 268435351))} is VALID [2022-04-08 09:28:58,391 INFO L290 TraceCheckUtils]: 51: Hoare triple {25190#(and (<= 268435351 main_~x~0) (<= main_~x~0 268435351))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25191#(and (<= 268435349 main_~x~0) (<= main_~x~0 268435349))} is VALID [2022-04-08 09:28:58,391 INFO L290 TraceCheckUtils]: 52: Hoare triple {25191#(and (<= 268435349 main_~x~0) (<= main_~x~0 268435349))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25192#(and (<= (div main_~x~0 4294967296) 0) (<= 268435347 main_~x~0))} is VALID [2022-04-08 09:28:58,392 INFO L290 TraceCheckUtils]: 53: Hoare triple {25192#(and (<= (div main_~x~0 4294967296) 0) (<= 268435347 main_~x~0))} assume !(~x~0 % 4294967296 > 1); {25141#false} is VALID [2022-04-08 09:28:58,392 INFO L272 TraceCheckUtils]: 54: Hoare triple {25141#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)); {25141#false} is VALID [2022-04-08 09:28:58,392 INFO L290 TraceCheckUtils]: 55: Hoare triple {25141#false} ~cond := #in~cond; {25141#false} is VALID [2022-04-08 09:28:58,392 INFO L290 TraceCheckUtils]: 56: Hoare triple {25141#false} assume 0 == ~cond; {25141#false} is VALID [2022-04-08 09:28:58,392 INFO L290 TraceCheckUtils]: 57: Hoare triple {25141#false} assume !false; {25141#false} is VALID [2022-04-08 09:28:58,392 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:28:58,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 09:28:58,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404382119] [2022-04-08 09:28:58,393 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404382119] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-08 09:28:58,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1912925693] [2022-04-08 09:28:58,393 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-08 09:28:58,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 09:28:58,393 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 09:28:58,394 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) [2022-04-08 09:28:58,395 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Waiting until timeout for monitored process [2022-04-08 09:28:58,524 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-08 09:28:58,524 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 09:28:58,525 WARN L261 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 97 conjunts are in the unsatisfiable core [2022-04-08 09:28:58,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:28:58,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 09:28:59,140 INFO L272 TraceCheckUtils]: 0: Hoare triple {25140#true} call ULTIMATE.init(); {25140#true} is VALID [2022-04-08 09:28:59,140 INFO L290 TraceCheckUtils]: 1: Hoare triple {25140#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(13, 2);call #Ultimate.allocInit(12, 3); {25140#true} is VALID [2022-04-08 09:28:59,140 INFO L290 TraceCheckUtils]: 2: Hoare triple {25140#true} assume true; {25140#true} is VALID [2022-04-08 09:28:59,140 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {25140#true} {25140#true} #34#return; {25140#true} is VALID [2022-04-08 09:28:59,141 INFO L272 TraceCheckUtils]: 4: Hoare triple {25140#true} call #t~ret4 := main(); {25140#true} is VALID [2022-04-08 09:28:59,141 INFO L290 TraceCheckUtils]: 5: Hoare triple {25140#true} ~x~0 := 268435441; {25145#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:28:59,141 INFO L290 TraceCheckUtils]: 6: Hoare triple {25145#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25146#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:28:59,142 INFO L290 TraceCheckUtils]: 7: Hoare triple {25146#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25147#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:28:59,143 INFO L290 TraceCheckUtils]: 8: Hoare triple {25147#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25148#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:28:59,143 INFO L290 TraceCheckUtils]: 9: Hoare triple {25148#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25149#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:28:59,144 INFO L290 TraceCheckUtils]: 10: Hoare triple {25149#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25150#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:28:59,144 INFO L290 TraceCheckUtils]: 11: Hoare triple {25150#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25151#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:28:59,145 INFO L290 TraceCheckUtils]: 12: Hoare triple {25151#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25152#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:28:59,145 INFO L290 TraceCheckUtils]: 13: Hoare triple {25152#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25153#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:28:59,146 INFO L290 TraceCheckUtils]: 14: Hoare triple {25153#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25154#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:28:59,146 INFO L290 TraceCheckUtils]: 15: Hoare triple {25154#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25155#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:28:59,147 INFO L290 TraceCheckUtils]: 16: Hoare triple {25155#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25156#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:28:59,147 INFO L290 TraceCheckUtils]: 17: Hoare triple {25156#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25157#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:28:59,148 INFO L290 TraceCheckUtils]: 18: Hoare triple {25157#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25158#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:28:59,148 INFO L290 TraceCheckUtils]: 19: Hoare triple {25158#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25159#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} is VALID [2022-04-08 09:28:59,149 INFO L290 TraceCheckUtils]: 20: Hoare triple {25159#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25160#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} is VALID [2022-04-08 09:28:59,149 INFO L290 TraceCheckUtils]: 21: Hoare triple {25160#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25161#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} is VALID [2022-04-08 09:28:59,150 INFO L290 TraceCheckUtils]: 22: Hoare triple {25161#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25162#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} is VALID [2022-04-08 09:28:59,150 INFO L290 TraceCheckUtils]: 23: Hoare triple {25162#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25163#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} is VALID [2022-04-08 09:28:59,151 INFO L290 TraceCheckUtils]: 24: Hoare triple {25163#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25164#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} is VALID [2022-04-08 09:28:59,151 INFO L290 TraceCheckUtils]: 25: Hoare triple {25164#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25165#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} is VALID [2022-04-08 09:28:59,152 INFO L290 TraceCheckUtils]: 26: Hoare triple {25165#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25166#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} is VALID [2022-04-08 09:28:59,152 INFO L290 TraceCheckUtils]: 27: Hoare triple {25166#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25167#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} is VALID [2022-04-08 09:28:59,153 INFO L290 TraceCheckUtils]: 28: Hoare triple {25167#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25168#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} is VALID [2022-04-08 09:28:59,153 INFO L290 TraceCheckUtils]: 29: Hoare triple {25168#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25169#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} is VALID [2022-04-08 09:28:59,154 INFO L290 TraceCheckUtils]: 30: Hoare triple {25169#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25170#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} is VALID [2022-04-08 09:28:59,154 INFO L290 TraceCheckUtils]: 31: Hoare triple {25170#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25171#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} is VALID [2022-04-08 09:28:59,155 INFO L290 TraceCheckUtils]: 32: Hoare triple {25171#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25172#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} is VALID [2022-04-08 09:28:59,155 INFO L290 TraceCheckUtils]: 33: Hoare triple {25172#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25173#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} is VALID [2022-04-08 09:28:59,156 INFO L290 TraceCheckUtils]: 34: Hoare triple {25173#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25174#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} is VALID [2022-04-08 09:28:59,156 INFO L290 TraceCheckUtils]: 35: Hoare triple {25174#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25175#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} is VALID [2022-04-08 09:28:59,157 INFO L290 TraceCheckUtils]: 36: Hoare triple {25175#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25176#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} is VALID [2022-04-08 09:28:59,158 INFO L290 TraceCheckUtils]: 37: Hoare triple {25176#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25177#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} is VALID [2022-04-08 09:28:59,158 INFO L290 TraceCheckUtils]: 38: Hoare triple {25177#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25178#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} is VALID [2022-04-08 09:28:59,159 INFO L290 TraceCheckUtils]: 39: Hoare triple {25178#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25179#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} is VALID [2022-04-08 09:28:59,159 INFO L290 TraceCheckUtils]: 40: Hoare triple {25179#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25180#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} is VALID [2022-04-08 09:28:59,160 INFO L290 TraceCheckUtils]: 41: Hoare triple {25180#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25181#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} is VALID [2022-04-08 09:28:59,160 INFO L290 TraceCheckUtils]: 42: Hoare triple {25181#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25182#(and (<= main_~x~0 268435367) (<= 268435367 main_~x~0))} is VALID [2022-04-08 09:28:59,161 INFO L290 TraceCheckUtils]: 43: Hoare triple {25182#(and (<= main_~x~0 268435367) (<= 268435367 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25183#(and (<= 268435365 main_~x~0) (<= main_~x~0 268435365))} is VALID [2022-04-08 09:28:59,161 INFO L290 TraceCheckUtils]: 44: Hoare triple {25183#(and (<= 268435365 main_~x~0) (<= main_~x~0 268435365))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25184#(and (<= 268435363 main_~x~0) (<= main_~x~0 268435363))} is VALID [2022-04-08 09:28:59,162 INFO L290 TraceCheckUtils]: 45: Hoare triple {25184#(and (<= 268435363 main_~x~0) (<= main_~x~0 268435363))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25185#(and (<= main_~x~0 268435361) (<= 268435361 main_~x~0))} is VALID [2022-04-08 09:28:59,162 INFO L290 TraceCheckUtils]: 46: Hoare triple {25185#(and (<= main_~x~0 268435361) (<= 268435361 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25186#(and (<= main_~x~0 268435359) (<= 268435359 main_~x~0))} is VALID [2022-04-08 09:28:59,163 INFO L290 TraceCheckUtils]: 47: Hoare triple {25186#(and (<= main_~x~0 268435359) (<= 268435359 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25187#(and (<= main_~x~0 268435357) (<= 268435357 main_~x~0))} is VALID [2022-04-08 09:28:59,163 INFO L290 TraceCheckUtils]: 48: Hoare triple {25187#(and (<= main_~x~0 268435357) (<= 268435357 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25188#(and (<= main_~x~0 268435355) (<= 268435355 main_~x~0))} is VALID [2022-04-08 09:28:59,164 INFO L290 TraceCheckUtils]: 49: Hoare triple {25188#(and (<= main_~x~0 268435355) (<= 268435355 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25189#(and (<= main_~x~0 268435353) (<= 268435353 main_~x~0))} is VALID [2022-04-08 09:28:59,164 INFO L290 TraceCheckUtils]: 50: Hoare triple {25189#(and (<= main_~x~0 268435353) (<= 268435353 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25190#(and (<= 268435351 main_~x~0) (<= main_~x~0 268435351))} is VALID [2022-04-08 09:28:59,165 INFO L290 TraceCheckUtils]: 51: Hoare triple {25190#(and (<= 268435351 main_~x~0) (<= main_~x~0 268435351))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25191#(and (<= 268435349 main_~x~0) (<= main_~x~0 268435349))} is VALID [2022-04-08 09:28:59,165 INFO L290 TraceCheckUtils]: 52: Hoare triple {25191#(and (<= 268435349 main_~x~0) (<= main_~x~0 268435349))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25353#(and (<= 268435347 main_~x~0) (<= main_~x~0 268435347))} is VALID [2022-04-08 09:28:59,166 INFO L290 TraceCheckUtils]: 53: Hoare triple {25353#(and (<= 268435347 main_~x~0) (<= main_~x~0 268435347))} assume !(~x~0 % 4294967296 > 1); {25141#false} is VALID [2022-04-08 09:28:59,166 INFO L272 TraceCheckUtils]: 54: Hoare triple {25141#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)); {25141#false} is VALID [2022-04-08 09:28:59,166 INFO L290 TraceCheckUtils]: 55: Hoare triple {25141#false} ~cond := #in~cond; {25141#false} is VALID [2022-04-08 09:28:59,166 INFO L290 TraceCheckUtils]: 56: Hoare triple {25141#false} assume 0 == ~cond; {25141#false} is VALID [2022-04-08 09:28:59,166 INFO L290 TraceCheckUtils]: 57: Hoare triple {25141#false} assume !false; {25141#false} is VALID [2022-04-08 09:28:59,167 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:28:59,167 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 09:29:02,770 INFO L290 TraceCheckUtils]: 57: Hoare triple {25141#false} assume !false; {25141#false} is VALID [2022-04-08 09:29:02,770 INFO L290 TraceCheckUtils]: 56: Hoare triple {25141#false} assume 0 == ~cond; {25141#false} is VALID [2022-04-08 09:29:02,770 INFO L290 TraceCheckUtils]: 55: Hoare triple {25141#false} ~cond := #in~cond; {25141#false} is VALID [2022-04-08 09:29:02,770 INFO L272 TraceCheckUtils]: 54: Hoare triple {25141#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)); {25141#false} is VALID [2022-04-08 09:29:02,770 INFO L290 TraceCheckUtils]: 53: Hoare triple {25381#(< 1 (mod main_~x~0 4294967296))} assume !(~x~0 % 4294967296 > 1); {25141#false} is VALID [2022-04-08 09:29:02,771 INFO L290 TraceCheckUtils]: 52: Hoare triple {25385#(< 1 (mod (+ main_~x~0 4294967294) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25381#(< 1 (mod main_~x~0 4294967296))} is VALID [2022-04-08 09:29:02,772 INFO L290 TraceCheckUtils]: 51: Hoare triple {25389#(< 1 (mod (+ 4294967292 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25385#(< 1 (mod (+ main_~x~0 4294967294) 4294967296))} is VALID [2022-04-08 09:29:02,773 INFO L290 TraceCheckUtils]: 50: Hoare triple {25393#(< 1 (mod (+ 4294967290 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25389#(< 1 (mod (+ 4294967292 main_~x~0) 4294967296))} is VALID [2022-04-08 09:29:02,773 INFO L290 TraceCheckUtils]: 49: Hoare triple {25397#(< 1 (mod (+ 4294967288 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25393#(< 1 (mod (+ 4294967290 main_~x~0) 4294967296))} is VALID [2022-04-08 09:29:02,774 INFO L290 TraceCheckUtils]: 48: Hoare triple {25401#(< 1 (mod (+ main_~x~0 4294967286) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25397#(< 1 (mod (+ 4294967288 main_~x~0) 4294967296))} is VALID [2022-04-08 09:29:02,775 INFO L290 TraceCheckUtils]: 47: Hoare triple {25405#(< 1 (mod (+ main_~x~0 4294967284) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25401#(< 1 (mod (+ main_~x~0 4294967286) 4294967296))} is VALID [2022-04-08 09:29:02,775 INFO L290 TraceCheckUtils]: 46: Hoare triple {25409#(< 1 (mod (+ 4294967282 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25405#(< 1 (mod (+ main_~x~0 4294967284) 4294967296))} is VALID [2022-04-08 09:29:02,776 INFO L290 TraceCheckUtils]: 45: Hoare triple {25413#(< 1 (mod (+ main_~x~0 4294967280) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25409#(< 1 (mod (+ 4294967282 main_~x~0) 4294967296))} is VALID [2022-04-08 09:29:02,776 INFO L290 TraceCheckUtils]: 44: Hoare triple {25417#(< 1 (mod (+ main_~x~0 4294967278) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25413#(< 1 (mod (+ main_~x~0 4294967280) 4294967296))} is VALID [2022-04-08 09:29:02,777 INFO L290 TraceCheckUtils]: 43: Hoare triple {25421#(< 1 (mod (+ 4294967276 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25417#(< 1 (mod (+ main_~x~0 4294967278) 4294967296))} is VALID [2022-04-08 09:29:02,778 INFO L290 TraceCheckUtils]: 42: Hoare triple {25425#(< 1 (mod (+ 4294967274 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25421#(< 1 (mod (+ 4294967276 main_~x~0) 4294967296))} is VALID [2022-04-08 09:29:02,778 INFO L290 TraceCheckUtils]: 41: Hoare triple {25429#(< 1 (mod (+ 4294967272 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25425#(< 1 (mod (+ 4294967274 main_~x~0) 4294967296))} is VALID [2022-04-08 09:29:02,779 INFO L290 TraceCheckUtils]: 40: Hoare triple {25433#(< 1 (mod (+ main_~x~0 4294967270) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25429#(< 1 (mod (+ 4294967272 main_~x~0) 4294967296))} is VALID [2022-04-08 09:29:02,780 INFO L290 TraceCheckUtils]: 39: Hoare triple {25437#(< 1 (mod (+ main_~x~0 4294967268) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25433#(< 1 (mod (+ main_~x~0 4294967270) 4294967296))} is VALID [2022-04-08 09:29:02,780 INFO L290 TraceCheckUtils]: 38: Hoare triple {25441#(< 1 (mod (+ main_~x~0 4294967266) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25437#(< 1 (mod (+ main_~x~0 4294967268) 4294967296))} is VALID [2022-04-08 09:29:02,781 INFO L290 TraceCheckUtils]: 37: Hoare triple {25445#(< 1 (mod (+ main_~x~0 4294967264) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25441#(< 1 (mod (+ main_~x~0 4294967266) 4294967296))} is VALID [2022-04-08 09:29:02,781 INFO L290 TraceCheckUtils]: 36: Hoare triple {25449#(< 1 (mod (+ main_~x~0 4294967262) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25445#(< 1 (mod (+ main_~x~0 4294967264) 4294967296))} is VALID [2022-04-08 09:29:02,782 INFO L290 TraceCheckUtils]: 35: Hoare triple {25453#(< 1 (mod (+ 4294967260 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25449#(< 1 (mod (+ main_~x~0 4294967262) 4294967296))} is VALID [2022-04-08 09:29:02,783 INFO L290 TraceCheckUtils]: 34: Hoare triple {25457#(< 1 (mod (+ main_~x~0 4294967258) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25453#(< 1 (mod (+ 4294967260 main_~x~0) 4294967296))} is VALID [2022-04-08 09:29:02,784 INFO L290 TraceCheckUtils]: 33: Hoare triple {25461#(< 1 (mod (+ main_~x~0 4294967256) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25457#(< 1 (mod (+ main_~x~0 4294967258) 4294967296))} is VALID [2022-04-08 09:29:02,784 INFO L290 TraceCheckUtils]: 32: Hoare triple {25465#(< 1 (mod (+ 4294967254 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25461#(< 1 (mod (+ main_~x~0 4294967256) 4294967296))} is VALID [2022-04-08 09:29:02,785 INFO L290 TraceCheckUtils]: 31: Hoare triple {25469#(< 1 (mod (+ main_~x~0 4294967252) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25465#(< 1 (mod (+ 4294967254 main_~x~0) 4294967296))} is VALID [2022-04-08 09:29:02,786 INFO L290 TraceCheckUtils]: 30: Hoare triple {25473#(< 1 (mod (+ 4294967250 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25469#(< 1 (mod (+ main_~x~0 4294967252) 4294967296))} is VALID [2022-04-08 09:29:02,786 INFO L290 TraceCheckUtils]: 29: Hoare triple {25477#(< 1 (mod (+ main_~x~0 4294967248) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25473#(< 1 (mod (+ 4294967250 main_~x~0) 4294967296))} is VALID [2022-04-08 09:29:02,787 INFO L290 TraceCheckUtils]: 28: Hoare triple {25481#(< 1 (mod (+ 4294967246 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25477#(< 1 (mod (+ main_~x~0 4294967248) 4294967296))} is VALID [2022-04-08 09:29:02,787 INFO L290 TraceCheckUtils]: 27: Hoare triple {25485#(< 1 (mod (+ main_~x~0 4294967244) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25481#(< 1 (mod (+ 4294967246 main_~x~0) 4294967296))} is VALID [2022-04-08 09:29:02,788 INFO L290 TraceCheckUtils]: 26: Hoare triple {25489#(< 1 (mod (+ main_~x~0 4294967242) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25485#(< 1 (mod (+ main_~x~0 4294967244) 4294967296))} is VALID [2022-04-08 09:29:02,789 INFO L290 TraceCheckUtils]: 25: Hoare triple {25493#(< 1 (mod (+ 4294967240 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25489#(< 1 (mod (+ main_~x~0 4294967242) 4294967296))} is VALID [2022-04-08 09:29:02,790 INFO L290 TraceCheckUtils]: 24: Hoare triple {25497#(< 1 (mod (+ 4294967238 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25493#(< 1 (mod (+ 4294967240 main_~x~0) 4294967296))} is VALID [2022-04-08 09:29:02,791 INFO L290 TraceCheckUtils]: 23: Hoare triple {25501#(< 1 (mod (+ main_~x~0 4294967236) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25497#(< 1 (mod (+ 4294967238 main_~x~0) 4294967296))} is VALID [2022-04-08 09:29:02,791 INFO L290 TraceCheckUtils]: 22: Hoare triple {25505#(< 1 (mod (+ main_~x~0 4294967234) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25501#(< 1 (mod (+ main_~x~0 4294967236) 4294967296))} is VALID [2022-04-08 09:29:02,793 INFO L290 TraceCheckUtils]: 21: Hoare triple {25509#(< 1 (mod (+ main_~x~0 4294967232) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25505#(< 1 (mod (+ main_~x~0 4294967234) 4294967296))} is VALID [2022-04-08 09:29:02,793 INFO L290 TraceCheckUtils]: 20: Hoare triple {25513#(< 1 (mod (+ 4294967230 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25509#(< 1 (mod (+ main_~x~0 4294967232) 4294967296))} is VALID [2022-04-08 09:29:02,794 INFO L290 TraceCheckUtils]: 19: Hoare triple {25517#(< 1 (mod (+ main_~x~0 4294967228) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25513#(< 1 (mod (+ 4294967230 main_~x~0) 4294967296))} is VALID [2022-04-08 09:29:02,798 INFO L290 TraceCheckUtils]: 18: Hoare triple {25521#(< 1 (mod (+ main_~x~0 4294967226) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25517#(< 1 (mod (+ main_~x~0 4294967228) 4294967296))} is VALID [2022-04-08 09:29:02,799 INFO L290 TraceCheckUtils]: 17: Hoare triple {25525#(< 1 (mod (+ 4294967224 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25521#(< 1 (mod (+ main_~x~0 4294967226) 4294967296))} is VALID [2022-04-08 09:29:02,799 INFO L290 TraceCheckUtils]: 16: Hoare triple {25529#(< 1 (mod (+ main_~x~0 4294967222) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25525#(< 1 (mod (+ 4294967224 main_~x~0) 4294967296))} is VALID [2022-04-08 09:29:02,800 INFO L290 TraceCheckUtils]: 15: Hoare triple {25533#(< 1 (mod (+ main_~x~0 4294967220) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25529#(< 1 (mod (+ main_~x~0 4294967222) 4294967296))} is VALID [2022-04-08 09:29:02,801 INFO L290 TraceCheckUtils]: 14: Hoare triple {25537#(< 1 (mod (+ 4294967218 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25533#(< 1 (mod (+ main_~x~0 4294967220) 4294967296))} is VALID [2022-04-08 09:29:02,801 INFO L290 TraceCheckUtils]: 13: Hoare triple {25541#(< 1 (mod (+ 4294967216 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25537#(< 1 (mod (+ 4294967218 main_~x~0) 4294967296))} is VALID [2022-04-08 09:29:02,802 INFO L290 TraceCheckUtils]: 12: Hoare triple {25545#(< 1 (mod (+ main_~x~0 4294967214) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25541#(< 1 (mod (+ 4294967216 main_~x~0) 4294967296))} is VALID [2022-04-08 09:29:02,803 INFO L290 TraceCheckUtils]: 11: Hoare triple {25549#(< 1 (mod (+ 4294967212 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25545#(< 1 (mod (+ main_~x~0 4294967214) 4294967296))} is VALID [2022-04-08 09:29:02,803 INFO L290 TraceCheckUtils]: 10: Hoare triple {25553#(< 1 (mod (+ 4294967210 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25549#(< 1 (mod (+ 4294967212 main_~x~0) 4294967296))} is VALID [2022-04-08 09:29:02,804 INFO L290 TraceCheckUtils]: 9: Hoare triple {25557#(< 1 (mod (+ main_~x~0 4294967208) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25553#(< 1 (mod (+ 4294967210 main_~x~0) 4294967296))} is VALID [2022-04-08 09:29:02,805 INFO L290 TraceCheckUtils]: 8: Hoare triple {25561#(< 1 (mod (+ 4294967206 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25557#(< 1 (mod (+ main_~x~0 4294967208) 4294967296))} is VALID [2022-04-08 09:29:02,805 INFO L290 TraceCheckUtils]: 7: Hoare triple {25565#(< 1 (mod (+ main_~x~0 4294967204) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25561#(< 1 (mod (+ 4294967206 main_~x~0) 4294967296))} is VALID [2022-04-08 09:29:02,806 INFO L290 TraceCheckUtils]: 6: Hoare triple {25569#(< 1 (mod (+ 4294967202 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {25565#(< 1 (mod (+ main_~x~0 4294967204) 4294967296))} is VALID [2022-04-08 09:29:02,806 INFO L290 TraceCheckUtils]: 5: Hoare triple {25140#true} ~x~0 := 268435441; {25569#(< 1 (mod (+ 4294967202 main_~x~0) 4294967296))} is VALID [2022-04-08 09:29:02,806 INFO L272 TraceCheckUtils]: 4: Hoare triple {25140#true} call #t~ret4 := main(); {25140#true} is VALID [2022-04-08 09:29:02,806 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {25140#true} {25140#true} #34#return; {25140#true} is VALID [2022-04-08 09:29:02,807 INFO L290 TraceCheckUtils]: 2: Hoare triple {25140#true} assume true; {25140#true} is VALID [2022-04-08 09:29:02,807 INFO L290 TraceCheckUtils]: 1: Hoare triple {25140#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(13, 2);call #Ultimate.allocInit(12, 3); {25140#true} is VALID [2022-04-08 09:29:02,807 INFO L272 TraceCheckUtils]: 0: Hoare triple {25140#true} call ULTIMATE.init(); {25140#true} is VALID [2022-04-08 09:29:02,807 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:29:02,807 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1912925693] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-08 09:29:02,807 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-08 09:29:02,808 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 50, 50] total 100 [2022-04-08 09:29:02,808 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 09:29:02,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [49404008] [2022-04-08 09:29:02,808 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [49404008] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 09:29:02,808 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 09:29:02,808 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [51] imperfect sequences [] total 51 [2022-04-08 09:29:02,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149060610] [2022-04-08 09:29:02,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 09:29:02,808 INFO L78 Accepts]: Start accepts. Automaton has has 51 states, 51 states have (on average 1.0588235294117647) internal successors, (54), 50 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 [2022-04-08 09:29:02,809 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 09:29:02,809 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 51 states, 51 states have (on average 1.0588235294117647) internal successors, (54), 50 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) [2022-04-08 09:29:02,840 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 58 edges. 58 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:29:02,840 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2022-04-08 09:29:02,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 09:29:02,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2022-04-08 09:29:02,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2597, Invalid=7303, Unknown=0, NotChecked=0, Total=9900 [2022-04-08 09:29:02,842 INFO L87 Difference]: Start difference. First operand 59 states and 59 transitions. Second operand has 51 states, 51 states have (on average 1.0588235294117647) internal successors, (54), 50 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) [2022-04-08 09:29:07,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:29:07,476 INFO L93 Difference]: Finished difference Result 65 states and 65 transitions. [2022-04-08 09:29:07,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-04-08 09:29:07,476 INFO L78 Accepts]: Start accepts. Automaton has has 51 states, 51 states have (on average 1.0588235294117647) internal successors, (54), 50 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 [2022-04-08 09:29:07,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 09:29:07,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 51 states have (on average 1.0588235294117647) internal successors, (54), 50 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) [2022-04-08 09:29:07,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 65 transitions. [2022-04-08 09:29:07,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 51 states have (on average 1.0588235294117647) internal successors, (54), 50 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) [2022-04-08 09:29:07,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 65 transitions. [2022-04-08 09:29:07,478 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 51 states and 65 transitions. [2022-04-08 09:29:07,535 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 65 edges. 65 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:29:07,536 INFO L225 Difference]: With dead ends: 65 [2022-04-08 09:29:07,536 INFO L226 Difference]: Without dead ends: 60 [2022-04-08 09:29:07,538 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 69 SyntacticMatches, 1 SemanticMatches, 146 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1227 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=5187, Invalid=16569, Unknown=0, NotChecked=0, Total=21756 [2022-04-08 09:29:07,538 INFO L913 BasicCegarLoop]: 11 mSDtfsCounter, 6 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 2268 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 2365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 2268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-04-08 09:29:07,538 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 23 Invalid, 2365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 2268 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-04-08 09:29:07,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2022-04-08 09:29:07,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2022-04-08 09:29:07,622 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 09:29:07,622 INFO L82 GeneralOperation]: Start isEquivalent. First operand 60 states. Second operand has 60 states, 55 states have (on average 1.018181818181818) internal successors, (56), 55 states have internal predecessors, (56), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:29:07,622 INFO L74 IsIncluded]: Start isIncluded. First operand 60 states. Second operand has 60 states, 55 states have (on average 1.018181818181818) internal successors, (56), 55 states have internal predecessors, (56), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:29:07,623 INFO L87 Difference]: Start difference. First operand 60 states. Second operand has 60 states, 55 states have (on average 1.018181818181818) internal successors, (56), 55 states have internal predecessors, (56), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:29:07,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:29:07,624 INFO L93 Difference]: Finished difference Result 60 states and 60 transitions. [2022-04-08 09:29:07,624 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 60 transitions. [2022-04-08 09:29:07,624 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:29:07,624 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:29:07,624 INFO L74 IsIncluded]: Start isIncluded. First operand has 60 states, 55 states have (on average 1.018181818181818) internal successors, (56), 55 states have internal predecessors, (56), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 60 states. [2022-04-08 09:29:07,624 INFO L87 Difference]: Start difference. First operand has 60 states, 55 states have (on average 1.018181818181818) internal successors, (56), 55 states have internal predecessors, (56), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 60 states. [2022-04-08 09:29:07,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:29:07,625 INFO L93 Difference]: Finished difference Result 60 states and 60 transitions. [2022-04-08 09:29:07,625 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 60 transitions. [2022-04-08 09:29:07,625 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:29:07,625 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:29:07,625 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 09:29:07,625 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 09:29:07,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 55 states have (on average 1.018181818181818) internal successors, (56), 55 states have internal predecessors, (56), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:29:07,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 60 transitions. [2022-04-08 09:29:07,626 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 60 transitions. Word has length 58 [2022-04-08 09:29:07,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 09:29:07,626 INFO L478 AbstractCegarLoop]: Abstraction has 60 states and 60 transitions. [2022-04-08 09:29:07,626 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 51 states have (on average 1.0588235294117647) internal successors, (54), 50 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) [2022-04-08 09:29:07,626 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 60 states and 60 transitions. [2022-04-08 09:29:07,671 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 60 edges. 60 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:29:07,672 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 60 transitions. [2022-04-08 09:29:07,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-04-08 09:29:07,672 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 09:29:07,672 INFO L499 BasicCegarLoop]: trace histogram [48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 09:29:07,688 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Forceful destruction successful, exit code 0 [2022-04-08 09:29:07,872 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 48 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2022-04-08 09:29:07,873 INFO L403 AbstractCegarLoop]: === Iteration 50 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 09:29:07,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 09:29:07,878 INFO L85 PathProgramCache]: Analyzing trace with hash -1868113444, now seen corresponding path program 95 times [2022-04-08 09:29:07,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 09:29:07,878 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [118167217] [2022-04-08 09:29:07,880 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-08 09:29:07,880 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-08 09:29:07,880 INFO L85 PathProgramCache]: Analyzing trace with hash -1868113444, now seen corresponding path program 96 times [2022-04-08 09:29:07,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 09:29:07,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117194109] [2022-04-08 09:29:07,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 09:29:07,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 09:29:07,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:29:09,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-08 09:29:09,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:29:09,220 INFO L290 TraceCheckUtils]: 0: Hoare triple {26110#(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(13, 2);call #Ultimate.allocInit(12, 3); {26056#true} is VALID [2022-04-08 09:29:09,221 INFO L290 TraceCheckUtils]: 1: Hoare triple {26056#true} assume true; {26056#true} is VALID [2022-04-08 09:29:09,221 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {26056#true} {26056#true} #34#return; {26056#true} is VALID [2022-04-08 09:29:09,221 INFO L272 TraceCheckUtils]: 0: Hoare triple {26056#true} call ULTIMATE.init(); {26110#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-08 09:29:09,221 INFO L290 TraceCheckUtils]: 1: Hoare triple {26110#(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(13, 2);call #Ultimate.allocInit(12, 3); {26056#true} is VALID [2022-04-08 09:29:09,221 INFO L290 TraceCheckUtils]: 2: Hoare triple {26056#true} assume true; {26056#true} is VALID [2022-04-08 09:29:09,222 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {26056#true} {26056#true} #34#return; {26056#true} is VALID [2022-04-08 09:29:09,222 INFO L272 TraceCheckUtils]: 4: Hoare triple {26056#true} call #t~ret4 := main(); {26056#true} is VALID [2022-04-08 09:29:09,222 INFO L290 TraceCheckUtils]: 5: Hoare triple {26056#true} ~x~0 := 268435441; {26061#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:29:09,223 INFO L290 TraceCheckUtils]: 6: Hoare triple {26061#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26062#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:29:09,223 INFO L290 TraceCheckUtils]: 7: Hoare triple {26062#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26063#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:29:09,224 INFO L290 TraceCheckUtils]: 8: Hoare triple {26063#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26064#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:29:09,224 INFO L290 TraceCheckUtils]: 9: Hoare triple {26064#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26065#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:29:09,225 INFO L290 TraceCheckUtils]: 10: Hoare triple {26065#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26066#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:29:09,225 INFO L290 TraceCheckUtils]: 11: Hoare triple {26066#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26067#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:29:09,226 INFO L290 TraceCheckUtils]: 12: Hoare triple {26067#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26068#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:29:09,226 INFO L290 TraceCheckUtils]: 13: Hoare triple {26068#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26069#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:29:09,227 INFO L290 TraceCheckUtils]: 14: Hoare triple {26069#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26070#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:29:09,227 INFO L290 TraceCheckUtils]: 15: Hoare triple {26070#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26071#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:29:09,228 INFO L290 TraceCheckUtils]: 16: Hoare triple {26071#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26072#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:29:09,228 INFO L290 TraceCheckUtils]: 17: Hoare triple {26072#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26073#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:29:09,229 INFO L290 TraceCheckUtils]: 18: Hoare triple {26073#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26074#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:29:09,229 INFO L290 TraceCheckUtils]: 19: Hoare triple {26074#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26075#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} is VALID [2022-04-08 09:29:09,230 INFO L290 TraceCheckUtils]: 20: Hoare triple {26075#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26076#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} is VALID [2022-04-08 09:29:09,230 INFO L290 TraceCheckUtils]: 21: Hoare triple {26076#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26077#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} is VALID [2022-04-08 09:29:09,231 INFO L290 TraceCheckUtils]: 22: Hoare triple {26077#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26078#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} is VALID [2022-04-08 09:29:09,231 INFO L290 TraceCheckUtils]: 23: Hoare triple {26078#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26079#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} is VALID [2022-04-08 09:29:09,232 INFO L290 TraceCheckUtils]: 24: Hoare triple {26079#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26080#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} is VALID [2022-04-08 09:29:09,232 INFO L290 TraceCheckUtils]: 25: Hoare triple {26080#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26081#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} is VALID [2022-04-08 09:29:09,233 INFO L290 TraceCheckUtils]: 26: Hoare triple {26081#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26082#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} is VALID [2022-04-08 09:29:09,233 INFO L290 TraceCheckUtils]: 27: Hoare triple {26082#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26083#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} is VALID [2022-04-08 09:29:09,234 INFO L290 TraceCheckUtils]: 28: Hoare triple {26083#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26084#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} is VALID [2022-04-08 09:29:09,234 INFO L290 TraceCheckUtils]: 29: Hoare triple {26084#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26085#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} is VALID [2022-04-08 09:29:09,235 INFO L290 TraceCheckUtils]: 30: Hoare triple {26085#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26086#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} is VALID [2022-04-08 09:29:09,236 INFO L290 TraceCheckUtils]: 31: Hoare triple {26086#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26087#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} is VALID [2022-04-08 09:29:09,236 INFO L290 TraceCheckUtils]: 32: Hoare triple {26087#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26088#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} is VALID [2022-04-08 09:29:09,237 INFO L290 TraceCheckUtils]: 33: Hoare triple {26088#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26089#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} is VALID [2022-04-08 09:29:09,237 INFO L290 TraceCheckUtils]: 34: Hoare triple {26089#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26090#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} is VALID [2022-04-08 09:29:09,238 INFO L290 TraceCheckUtils]: 35: Hoare triple {26090#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26091#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} is VALID [2022-04-08 09:29:09,238 INFO L290 TraceCheckUtils]: 36: Hoare triple {26091#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26092#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} is VALID [2022-04-08 09:29:09,239 INFO L290 TraceCheckUtils]: 37: Hoare triple {26092#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26093#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} is VALID [2022-04-08 09:29:09,239 INFO L290 TraceCheckUtils]: 38: Hoare triple {26093#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26094#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} is VALID [2022-04-08 09:29:09,240 INFO L290 TraceCheckUtils]: 39: Hoare triple {26094#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26095#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} is VALID [2022-04-08 09:29:09,240 INFO L290 TraceCheckUtils]: 40: Hoare triple {26095#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26096#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} is VALID [2022-04-08 09:29:09,241 INFO L290 TraceCheckUtils]: 41: Hoare triple {26096#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26097#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} is VALID [2022-04-08 09:29:09,241 INFO L290 TraceCheckUtils]: 42: Hoare triple {26097#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26098#(and (<= main_~x~0 268435367) (<= 268435367 main_~x~0))} is VALID [2022-04-08 09:29:09,242 INFO L290 TraceCheckUtils]: 43: Hoare triple {26098#(and (<= main_~x~0 268435367) (<= 268435367 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26099#(and (<= 268435365 main_~x~0) (<= main_~x~0 268435365))} is VALID [2022-04-08 09:29:09,242 INFO L290 TraceCheckUtils]: 44: Hoare triple {26099#(and (<= 268435365 main_~x~0) (<= main_~x~0 268435365))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26100#(and (<= 268435363 main_~x~0) (<= main_~x~0 268435363))} is VALID [2022-04-08 09:29:09,243 INFO L290 TraceCheckUtils]: 45: Hoare triple {26100#(and (<= 268435363 main_~x~0) (<= main_~x~0 268435363))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26101#(and (<= main_~x~0 268435361) (<= 268435361 main_~x~0))} is VALID [2022-04-08 09:29:09,243 INFO L290 TraceCheckUtils]: 46: Hoare triple {26101#(and (<= main_~x~0 268435361) (<= 268435361 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26102#(and (<= main_~x~0 268435359) (<= 268435359 main_~x~0))} is VALID [2022-04-08 09:29:09,244 INFO L290 TraceCheckUtils]: 47: Hoare triple {26102#(and (<= main_~x~0 268435359) (<= 268435359 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26103#(and (<= main_~x~0 268435357) (<= 268435357 main_~x~0))} is VALID [2022-04-08 09:29:09,244 INFO L290 TraceCheckUtils]: 48: Hoare triple {26103#(and (<= main_~x~0 268435357) (<= 268435357 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26104#(and (<= main_~x~0 268435355) (<= 268435355 main_~x~0))} is VALID [2022-04-08 09:29:09,245 INFO L290 TraceCheckUtils]: 49: Hoare triple {26104#(and (<= main_~x~0 268435355) (<= 268435355 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26105#(and (<= main_~x~0 268435353) (<= 268435353 main_~x~0))} is VALID [2022-04-08 09:29:09,245 INFO L290 TraceCheckUtils]: 50: Hoare triple {26105#(and (<= main_~x~0 268435353) (<= 268435353 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26106#(and (<= 268435351 main_~x~0) (<= main_~x~0 268435351))} is VALID [2022-04-08 09:29:09,246 INFO L290 TraceCheckUtils]: 51: Hoare triple {26106#(and (<= 268435351 main_~x~0) (<= main_~x~0 268435351))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26107#(and (<= 268435349 main_~x~0) (<= main_~x~0 268435349))} is VALID [2022-04-08 09:29:09,246 INFO L290 TraceCheckUtils]: 52: Hoare triple {26107#(and (<= 268435349 main_~x~0) (<= main_~x~0 268435349))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26108#(and (<= 268435347 main_~x~0) (<= main_~x~0 268435347))} is VALID [2022-04-08 09:29:09,247 INFO L290 TraceCheckUtils]: 53: Hoare triple {26108#(and (<= 268435347 main_~x~0) (<= main_~x~0 268435347))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26109#(and (<= (div main_~x~0 4294967296) 0) (<= 268435345 main_~x~0))} is VALID [2022-04-08 09:29:09,247 INFO L290 TraceCheckUtils]: 54: Hoare triple {26109#(and (<= (div main_~x~0 4294967296) 0) (<= 268435345 main_~x~0))} assume !(~x~0 % 4294967296 > 1); {26057#false} is VALID [2022-04-08 09:29:09,247 INFO L272 TraceCheckUtils]: 55: Hoare triple {26057#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)); {26057#false} is VALID [2022-04-08 09:29:09,248 INFO L290 TraceCheckUtils]: 56: Hoare triple {26057#false} ~cond := #in~cond; {26057#false} is VALID [2022-04-08 09:29:09,248 INFO L290 TraceCheckUtils]: 57: Hoare triple {26057#false} assume 0 == ~cond; {26057#false} is VALID [2022-04-08 09:29:09,248 INFO L290 TraceCheckUtils]: 58: Hoare triple {26057#false} assume !false; {26057#false} is VALID [2022-04-08 09:29:09,248 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:29:09,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 09:29:09,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117194109] [2022-04-08 09:29:09,248 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117194109] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-08 09:29:09,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2116141791] [2022-04-08 09:29:09,249 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-04-08 09:29:09,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 09:29:09,249 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 09:29:09,251 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) [2022-04-08 09:29:09,257 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Waiting until timeout for monitored process [2022-04-08 09:29:16,137 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 25 check-sat command(s) [2022-04-08 09:29:16,137 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 09:29:16,144 WARN L261 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 102 conjunts are in the unsatisfiable core [2022-04-08 09:29:16,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:29:16,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 09:29:16,681 INFO L272 TraceCheckUtils]: 0: Hoare triple {26056#true} call ULTIMATE.init(); {26056#true} is VALID [2022-04-08 09:29:16,681 INFO L290 TraceCheckUtils]: 1: Hoare triple {26056#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(13, 2);call #Ultimate.allocInit(12, 3); {26056#true} is VALID [2022-04-08 09:29:16,681 INFO L290 TraceCheckUtils]: 2: Hoare triple {26056#true} assume true; {26056#true} is VALID [2022-04-08 09:29:16,681 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {26056#true} {26056#true} #34#return; {26056#true} is VALID [2022-04-08 09:29:16,682 INFO L272 TraceCheckUtils]: 4: Hoare triple {26056#true} call #t~ret4 := main(); {26056#true} is VALID [2022-04-08 09:29:16,682 INFO L290 TraceCheckUtils]: 5: Hoare triple {26056#true} ~x~0 := 268435441; {26061#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:29:16,682 INFO L290 TraceCheckUtils]: 6: Hoare triple {26061#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26062#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:29:16,683 INFO L290 TraceCheckUtils]: 7: Hoare triple {26062#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26063#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:29:16,684 INFO L290 TraceCheckUtils]: 8: Hoare triple {26063#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26064#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:29:16,684 INFO L290 TraceCheckUtils]: 9: Hoare triple {26064#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26065#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:29:16,685 INFO L290 TraceCheckUtils]: 10: Hoare triple {26065#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26066#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:29:16,685 INFO L290 TraceCheckUtils]: 11: Hoare triple {26066#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26067#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:29:16,686 INFO L290 TraceCheckUtils]: 12: Hoare triple {26067#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26068#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:29:16,686 INFO L290 TraceCheckUtils]: 13: Hoare triple {26068#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26069#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:29:16,687 INFO L290 TraceCheckUtils]: 14: Hoare triple {26069#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26070#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:29:16,687 INFO L290 TraceCheckUtils]: 15: Hoare triple {26070#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26071#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:29:16,688 INFO L290 TraceCheckUtils]: 16: Hoare triple {26071#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26072#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:29:16,688 INFO L290 TraceCheckUtils]: 17: Hoare triple {26072#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26073#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:29:16,689 INFO L290 TraceCheckUtils]: 18: Hoare triple {26073#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26074#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:29:16,689 INFO L290 TraceCheckUtils]: 19: Hoare triple {26074#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26075#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} is VALID [2022-04-08 09:29:16,690 INFO L290 TraceCheckUtils]: 20: Hoare triple {26075#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26076#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} is VALID [2022-04-08 09:29:16,690 INFO L290 TraceCheckUtils]: 21: Hoare triple {26076#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26077#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} is VALID [2022-04-08 09:29:16,691 INFO L290 TraceCheckUtils]: 22: Hoare triple {26077#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26078#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} is VALID [2022-04-08 09:29:16,691 INFO L290 TraceCheckUtils]: 23: Hoare triple {26078#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26079#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} is VALID [2022-04-08 09:29:16,692 INFO L290 TraceCheckUtils]: 24: Hoare triple {26079#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26080#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} is VALID [2022-04-08 09:29:16,692 INFO L290 TraceCheckUtils]: 25: Hoare triple {26080#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26081#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} is VALID [2022-04-08 09:29:16,693 INFO L290 TraceCheckUtils]: 26: Hoare triple {26081#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26082#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} is VALID [2022-04-08 09:29:16,693 INFO L290 TraceCheckUtils]: 27: Hoare triple {26082#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26083#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} is VALID [2022-04-08 09:29:16,694 INFO L290 TraceCheckUtils]: 28: Hoare triple {26083#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26084#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} is VALID [2022-04-08 09:29:16,694 INFO L290 TraceCheckUtils]: 29: Hoare triple {26084#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26085#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} is VALID [2022-04-08 09:29:16,695 INFO L290 TraceCheckUtils]: 30: Hoare triple {26085#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26086#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} is VALID [2022-04-08 09:29:16,695 INFO L290 TraceCheckUtils]: 31: Hoare triple {26086#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26087#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} is VALID [2022-04-08 09:29:16,696 INFO L290 TraceCheckUtils]: 32: Hoare triple {26087#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26088#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} is VALID [2022-04-08 09:29:16,696 INFO L290 TraceCheckUtils]: 33: Hoare triple {26088#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26089#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} is VALID [2022-04-08 09:29:16,697 INFO L290 TraceCheckUtils]: 34: Hoare triple {26089#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26090#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} is VALID [2022-04-08 09:29:16,697 INFO L290 TraceCheckUtils]: 35: Hoare triple {26090#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26091#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} is VALID [2022-04-08 09:29:16,698 INFO L290 TraceCheckUtils]: 36: Hoare triple {26091#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26092#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} is VALID [2022-04-08 09:29:16,698 INFO L290 TraceCheckUtils]: 37: Hoare triple {26092#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26093#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} is VALID [2022-04-08 09:29:16,699 INFO L290 TraceCheckUtils]: 38: Hoare triple {26093#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26094#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} is VALID [2022-04-08 09:29:16,700 INFO L290 TraceCheckUtils]: 39: Hoare triple {26094#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26095#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} is VALID [2022-04-08 09:29:16,700 INFO L290 TraceCheckUtils]: 40: Hoare triple {26095#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26096#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} is VALID [2022-04-08 09:29:16,701 INFO L290 TraceCheckUtils]: 41: Hoare triple {26096#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26097#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} is VALID [2022-04-08 09:29:16,701 INFO L290 TraceCheckUtils]: 42: Hoare triple {26097#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26098#(and (<= main_~x~0 268435367) (<= 268435367 main_~x~0))} is VALID [2022-04-08 09:29:16,702 INFO L290 TraceCheckUtils]: 43: Hoare triple {26098#(and (<= main_~x~0 268435367) (<= 268435367 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26099#(and (<= 268435365 main_~x~0) (<= main_~x~0 268435365))} is VALID [2022-04-08 09:29:16,702 INFO L290 TraceCheckUtils]: 44: Hoare triple {26099#(and (<= 268435365 main_~x~0) (<= main_~x~0 268435365))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26100#(and (<= 268435363 main_~x~0) (<= main_~x~0 268435363))} is VALID [2022-04-08 09:29:16,703 INFO L290 TraceCheckUtils]: 45: Hoare triple {26100#(and (<= 268435363 main_~x~0) (<= main_~x~0 268435363))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26101#(and (<= main_~x~0 268435361) (<= 268435361 main_~x~0))} is VALID [2022-04-08 09:29:16,703 INFO L290 TraceCheckUtils]: 46: Hoare triple {26101#(and (<= main_~x~0 268435361) (<= 268435361 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26102#(and (<= main_~x~0 268435359) (<= 268435359 main_~x~0))} is VALID [2022-04-08 09:29:16,704 INFO L290 TraceCheckUtils]: 47: Hoare triple {26102#(and (<= main_~x~0 268435359) (<= 268435359 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26103#(and (<= main_~x~0 268435357) (<= 268435357 main_~x~0))} is VALID [2022-04-08 09:29:16,704 INFO L290 TraceCheckUtils]: 48: Hoare triple {26103#(and (<= main_~x~0 268435357) (<= 268435357 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26104#(and (<= main_~x~0 268435355) (<= 268435355 main_~x~0))} is VALID [2022-04-08 09:29:16,705 INFO L290 TraceCheckUtils]: 49: Hoare triple {26104#(and (<= main_~x~0 268435355) (<= 268435355 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26105#(and (<= main_~x~0 268435353) (<= 268435353 main_~x~0))} is VALID [2022-04-08 09:29:16,705 INFO L290 TraceCheckUtils]: 50: Hoare triple {26105#(and (<= main_~x~0 268435353) (<= 268435353 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26106#(and (<= 268435351 main_~x~0) (<= main_~x~0 268435351))} is VALID [2022-04-08 09:29:16,706 INFO L290 TraceCheckUtils]: 51: Hoare triple {26106#(and (<= 268435351 main_~x~0) (<= main_~x~0 268435351))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26107#(and (<= 268435349 main_~x~0) (<= main_~x~0 268435349))} is VALID [2022-04-08 09:29:16,707 INFO L290 TraceCheckUtils]: 52: Hoare triple {26107#(and (<= 268435349 main_~x~0) (<= main_~x~0 268435349))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26108#(and (<= 268435347 main_~x~0) (<= main_~x~0 268435347))} is VALID [2022-04-08 09:29:16,708 INFO L290 TraceCheckUtils]: 53: Hoare triple {26108#(and (<= 268435347 main_~x~0) (<= main_~x~0 268435347))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26273#(and (<= main_~x~0 268435345) (<= 268435345 main_~x~0))} is VALID [2022-04-08 09:29:16,709 INFO L290 TraceCheckUtils]: 54: Hoare triple {26273#(and (<= main_~x~0 268435345) (<= 268435345 main_~x~0))} assume !(~x~0 % 4294967296 > 1); {26057#false} is VALID [2022-04-08 09:29:16,709 INFO L272 TraceCheckUtils]: 55: Hoare triple {26057#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)); {26057#false} is VALID [2022-04-08 09:29:16,709 INFO L290 TraceCheckUtils]: 56: Hoare triple {26057#false} ~cond := #in~cond; {26057#false} is VALID [2022-04-08 09:29:16,709 INFO L290 TraceCheckUtils]: 57: Hoare triple {26057#false} assume 0 == ~cond; {26057#false} is VALID [2022-04-08 09:29:16,709 INFO L290 TraceCheckUtils]: 58: Hoare triple {26057#false} assume !false; {26057#false} is VALID [2022-04-08 09:29:16,710 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:29:16,710 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 09:29:21,592 INFO L290 TraceCheckUtils]: 58: Hoare triple {26057#false} assume !false; {26057#false} is VALID [2022-04-08 09:29:21,592 INFO L290 TraceCheckUtils]: 57: Hoare triple {26292#(not (<= __VERIFIER_assert_~cond 0))} assume 0 == ~cond; {26057#false} is VALID [2022-04-08 09:29:21,593 INFO L290 TraceCheckUtils]: 56: Hoare triple {26296#(< 0 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {26292#(not (<= __VERIFIER_assert_~cond 0))} is VALID [2022-04-08 09:29:21,593 INFO L272 TraceCheckUtils]: 55: Hoare triple {26300#(= (mod main_~x~0 2) 0)} 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)); {26296#(< 0 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-08 09:29:21,594 INFO L290 TraceCheckUtils]: 54: Hoare triple {26304#(or (< 1 (mod main_~x~0 4294967296)) (= (mod main_~x~0 2) 0))} assume !(~x~0 % 4294967296 > 1); {26300#(= (mod main_~x~0 2) 0)} is VALID [2022-04-08 09:29:21,595 INFO L290 TraceCheckUtils]: 53: Hoare triple {26308#(or (< 1 (mod (+ main_~x~0 4294967294) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26304#(or (< 1 (mod main_~x~0 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:21,596 INFO L290 TraceCheckUtils]: 52: Hoare triple {26312#(or (< 1 (mod (+ 4294967292 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26308#(or (< 1 (mod (+ main_~x~0 4294967294) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:21,597 INFO L290 TraceCheckUtils]: 51: Hoare triple {26316#(or (< 1 (mod (+ 4294967290 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26312#(or (< 1 (mod (+ 4294967292 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:21,598 INFO L290 TraceCheckUtils]: 50: Hoare triple {26320#(or (< 1 (mod (+ 4294967288 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26316#(or (< 1 (mod (+ 4294967290 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:21,599 INFO L290 TraceCheckUtils]: 49: Hoare triple {26324#(or (< 1 (mod (+ main_~x~0 4294967286) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26320#(or (< 1 (mod (+ 4294967288 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:21,600 INFO L290 TraceCheckUtils]: 48: Hoare triple {26328#(or (< 1 (mod (+ main_~x~0 4294967284) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26324#(or (< 1 (mod (+ main_~x~0 4294967286) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:21,601 INFO L290 TraceCheckUtils]: 47: Hoare triple {26332#(or (< 1 (mod (+ 4294967282 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26328#(or (< 1 (mod (+ main_~x~0 4294967284) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:21,604 INFO L290 TraceCheckUtils]: 46: Hoare triple {26336#(or (< 1 (mod (+ main_~x~0 4294967280) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26332#(or (< 1 (mod (+ 4294967282 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:21,605 INFO L290 TraceCheckUtils]: 45: Hoare triple {26340#(or (< 1 (mod (+ main_~x~0 4294967278) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26336#(or (< 1 (mod (+ main_~x~0 4294967280) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:21,608 INFO L290 TraceCheckUtils]: 44: Hoare triple {26344#(or (< 1 (mod (+ 4294967276 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26340#(or (< 1 (mod (+ main_~x~0 4294967278) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:21,608 INFO L290 TraceCheckUtils]: 43: Hoare triple {26348#(or (< 1 (mod (+ 4294967274 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26344#(or (< 1 (mod (+ 4294967276 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:21,609 INFO L290 TraceCheckUtils]: 42: Hoare triple {26352#(or (< 1 (mod (+ 4294967272 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26348#(or (< 1 (mod (+ 4294967274 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:21,610 INFO L290 TraceCheckUtils]: 41: Hoare triple {26356#(or (< 1 (mod (+ main_~x~0 4294967270) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26352#(or (< 1 (mod (+ 4294967272 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:21,611 INFO L290 TraceCheckUtils]: 40: Hoare triple {26360#(or (< 1 (mod (+ main_~x~0 4294967268) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26356#(or (< 1 (mod (+ main_~x~0 4294967270) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:21,612 INFO L290 TraceCheckUtils]: 39: Hoare triple {26364#(or (< 1 (mod (+ main_~x~0 4294967266) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26360#(or (< 1 (mod (+ main_~x~0 4294967268) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:21,614 INFO L290 TraceCheckUtils]: 38: Hoare triple {26368#(or (< 1 (mod (+ main_~x~0 4294967264) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26364#(or (< 1 (mod (+ main_~x~0 4294967266) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:21,616 INFO L290 TraceCheckUtils]: 37: Hoare triple {26372#(or (< 1 (mod (+ main_~x~0 4294967262) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26368#(or (< 1 (mod (+ main_~x~0 4294967264) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:21,617 INFO L290 TraceCheckUtils]: 36: Hoare triple {26376#(or (< 1 (mod (+ 4294967260 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26372#(or (< 1 (mod (+ main_~x~0 4294967262) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:21,618 INFO L290 TraceCheckUtils]: 35: Hoare triple {26380#(or (< 1 (mod (+ main_~x~0 4294967258) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26376#(or (< 1 (mod (+ 4294967260 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:21,619 INFO L290 TraceCheckUtils]: 34: Hoare triple {26384#(or (< 1 (mod (+ main_~x~0 4294967256) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26380#(or (< 1 (mod (+ main_~x~0 4294967258) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:21,620 INFO L290 TraceCheckUtils]: 33: Hoare triple {26388#(or (< 1 (mod (+ 4294967254 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26384#(or (< 1 (mod (+ main_~x~0 4294967256) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:21,621 INFO L290 TraceCheckUtils]: 32: Hoare triple {26392#(or (< 1 (mod (+ main_~x~0 4294967252) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26388#(or (< 1 (mod (+ 4294967254 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:21,623 INFO L290 TraceCheckUtils]: 31: Hoare triple {26396#(or (< 1 (mod (+ 4294967250 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26392#(or (< 1 (mod (+ main_~x~0 4294967252) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:21,623 INFO L290 TraceCheckUtils]: 30: Hoare triple {26400#(or (< 1 (mod (+ main_~x~0 4294967248) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26396#(or (< 1 (mod (+ 4294967250 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:21,624 INFO L290 TraceCheckUtils]: 29: Hoare triple {26404#(or (< 1 (mod (+ 4294967246 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26400#(or (< 1 (mod (+ main_~x~0 4294967248) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:21,625 INFO L290 TraceCheckUtils]: 28: Hoare triple {26408#(or (< 1 (mod (+ main_~x~0 4294967244) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26404#(or (< 1 (mod (+ 4294967246 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:21,626 INFO L290 TraceCheckUtils]: 27: Hoare triple {26412#(or (< 1 (mod (+ main_~x~0 4294967242) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26408#(or (< 1 (mod (+ main_~x~0 4294967244) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:21,627 INFO L290 TraceCheckUtils]: 26: Hoare triple {26416#(or (< 1 (mod (+ 4294967240 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26412#(or (< 1 (mod (+ main_~x~0 4294967242) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:21,630 INFO L290 TraceCheckUtils]: 25: Hoare triple {26420#(or (< 1 (mod (+ 4294967238 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26416#(or (< 1 (mod (+ 4294967240 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:21,631 INFO L290 TraceCheckUtils]: 24: Hoare triple {26424#(or (< 1 (mod (+ main_~x~0 4294967236) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26420#(or (< 1 (mod (+ 4294967238 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:21,632 INFO L290 TraceCheckUtils]: 23: Hoare triple {26428#(or (< 1 (mod (+ main_~x~0 4294967234) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26424#(or (< 1 (mod (+ main_~x~0 4294967236) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:21,633 INFO L290 TraceCheckUtils]: 22: Hoare triple {26432#(or (< 1 (mod (+ main_~x~0 4294967232) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26428#(or (< 1 (mod (+ main_~x~0 4294967234) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:21,633 INFO L290 TraceCheckUtils]: 21: Hoare triple {26436#(or (< 1 (mod (+ 4294967230 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26432#(or (< 1 (mod (+ main_~x~0 4294967232) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:21,634 INFO L290 TraceCheckUtils]: 20: Hoare triple {26440#(or (< 1 (mod (+ main_~x~0 4294967228) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26436#(or (< 1 (mod (+ 4294967230 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:21,635 INFO L290 TraceCheckUtils]: 19: Hoare triple {26444#(or (< 1 (mod (+ main_~x~0 4294967226) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26440#(or (< 1 (mod (+ main_~x~0 4294967228) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:21,636 INFO L290 TraceCheckUtils]: 18: Hoare triple {26448#(or (< 1 (mod (+ 4294967224 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26444#(or (< 1 (mod (+ main_~x~0 4294967226) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:21,637 INFO L290 TraceCheckUtils]: 17: Hoare triple {26452#(or (< 1 (mod (+ main_~x~0 4294967222) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26448#(or (< 1 (mod (+ 4294967224 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:21,638 INFO L290 TraceCheckUtils]: 16: Hoare triple {26456#(or (< 1 (mod (+ main_~x~0 4294967220) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26452#(or (< 1 (mod (+ main_~x~0 4294967222) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:21,639 INFO L290 TraceCheckUtils]: 15: Hoare triple {26460#(or (< 1 (mod (+ 4294967218 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26456#(or (< 1 (mod (+ main_~x~0 4294967220) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:21,639 INFO L290 TraceCheckUtils]: 14: Hoare triple {26464#(or (< 1 (mod (+ 4294967216 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26460#(or (< 1 (mod (+ 4294967218 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:21,640 INFO L290 TraceCheckUtils]: 13: Hoare triple {26468#(or (< 1 (mod (+ main_~x~0 4294967214) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26464#(or (< 1 (mod (+ 4294967216 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:21,642 INFO L290 TraceCheckUtils]: 12: Hoare triple {26472#(or (< 1 (mod (+ 4294967212 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26468#(or (< 1 (mod (+ main_~x~0 4294967214) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:21,643 INFO L290 TraceCheckUtils]: 11: Hoare triple {26476#(or (< 1 (mod (+ 4294967210 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26472#(or (< 1 (mod (+ 4294967212 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:21,643 INFO L290 TraceCheckUtils]: 10: Hoare triple {26480#(or (< 1 (mod (+ main_~x~0 4294967208) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26476#(or (< 1 (mod (+ 4294967210 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:21,644 INFO L290 TraceCheckUtils]: 9: Hoare triple {26484#(or (< 1 (mod (+ 4294967206 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26480#(or (< 1 (mod (+ main_~x~0 4294967208) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:21,645 INFO L290 TraceCheckUtils]: 8: Hoare triple {26488#(or (< 1 (mod (+ main_~x~0 4294967204) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26484#(or (< 1 (mod (+ 4294967206 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:21,647 INFO L290 TraceCheckUtils]: 7: Hoare triple {26492#(or (< 1 (mod (+ 4294967202 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26488#(or (< 1 (mod (+ main_~x~0 4294967204) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:21,647 INFO L290 TraceCheckUtils]: 6: Hoare triple {26496#(or (< 1 (mod (+ 4294967200 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26492#(or (< 1 (mod (+ 4294967202 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:21,648 INFO L290 TraceCheckUtils]: 5: Hoare triple {26056#true} ~x~0 := 268435441; {26496#(or (< 1 (mod (+ 4294967200 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:21,648 INFO L272 TraceCheckUtils]: 4: Hoare triple {26056#true} call #t~ret4 := main(); {26056#true} is VALID [2022-04-08 09:29:21,648 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {26056#true} {26056#true} #34#return; {26056#true} is VALID [2022-04-08 09:29:21,648 INFO L290 TraceCheckUtils]: 2: Hoare triple {26056#true} assume true; {26056#true} is VALID [2022-04-08 09:29:21,648 INFO L290 TraceCheckUtils]: 1: Hoare triple {26056#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(13, 2);call #Ultimate.allocInit(12, 3); {26056#true} is VALID [2022-04-08 09:29:21,648 INFO L272 TraceCheckUtils]: 0: Hoare triple {26056#true} call ULTIMATE.init(); {26056#true} is VALID [2022-04-08 09:29:21,649 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:29:21,649 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2116141791] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-08 09:29:21,649 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-08 09:29:21,649 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [52, 51, 54] total 105 [2022-04-08 09:29:21,649 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 09:29:21,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [118167217] [2022-04-08 09:29:21,650 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [118167217] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 09:29:21,650 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 09:29:21,650 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [52] imperfect sequences [] total 52 [2022-04-08 09:29:21,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190149717] [2022-04-08 09:29:21,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 09:29:21,650 INFO L78 Accepts]: Start accepts. Automaton has has 52 states, 52 states have (on average 1.0576923076923077) internal successors, (55), 51 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 [2022-04-08 09:29:21,650 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 09:29:21,650 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 52 states, 52 states have (on average 1.0576923076923077) internal successors, (55), 51 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) [2022-04-08 09:29:21,683 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 59 edges. 59 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:29:21,683 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2022-04-08 09:29:21,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 09:29:21,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2022-04-08 09:29:21,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2755, Invalid=8165, Unknown=0, NotChecked=0, Total=10920 [2022-04-08 09:29:21,684 INFO L87 Difference]: Start difference. First operand 60 states and 60 transitions. Second operand has 52 states, 52 states have (on average 1.0576923076923077) internal successors, (55), 51 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) [2022-04-08 09:29:26,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:29:26,472 INFO L93 Difference]: Finished difference Result 66 states and 66 transitions. [2022-04-08 09:29:26,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-04-08 09:29:26,472 INFO L78 Accepts]: Start accepts. Automaton has has 52 states, 52 states have (on average 1.0576923076923077) internal successors, (55), 51 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 [2022-04-08 09:29:26,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 09:29:26,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 52 states have (on average 1.0576923076923077) internal successors, (55), 51 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) [2022-04-08 09:29:26,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 66 transitions. [2022-04-08 09:29:26,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 52 states have (on average 1.0576923076923077) internal successors, (55), 51 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) [2022-04-08 09:29:26,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 66 transitions. [2022-04-08 09:29:26,474 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 52 states and 66 transitions. [2022-04-08 09:29:26,521 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 66 edges. 66 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:29:26,522 INFO L225 Difference]: With dead ends: 66 [2022-04-08 09:29:26,522 INFO L226 Difference]: Without dead ends: 61 [2022-04-08 09:29:26,523 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 67 SyntacticMatches, 1 SemanticMatches, 152 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1283 ImplicationChecksByTransitivity, 6.8s TimeCoverageRelationStatistics Valid=5448, Invalid=18114, Unknown=0, NotChecked=0, Total=23562 [2022-04-08 09:29:26,523 INFO L913 BasicCegarLoop]: 11 mSDtfsCounter, 6 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 2414 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 2513 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 2414 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-04-08 09:29:26,523 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 73 Invalid, 2513 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 2414 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-04-08 09:29:26,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2022-04-08 09:29:26,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2022-04-08 09:29:26,596 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 09:29:26,597 INFO L82 GeneralOperation]: Start isEquivalent. First operand 61 states. Second operand has 61 states, 56 states have (on average 1.0178571428571428) internal successors, (57), 56 states have internal predecessors, (57), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:29:26,597 INFO L74 IsIncluded]: Start isIncluded. First operand 61 states. Second operand has 61 states, 56 states have (on average 1.0178571428571428) internal successors, (57), 56 states have internal predecessors, (57), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:29:26,597 INFO L87 Difference]: Start difference. First operand 61 states. Second operand has 61 states, 56 states have (on average 1.0178571428571428) internal successors, (57), 56 states have internal predecessors, (57), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:29:26,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:29:26,597 INFO L93 Difference]: Finished difference Result 61 states and 61 transitions. [2022-04-08 09:29:26,598 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 61 transitions. [2022-04-08 09:29:26,598 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:29:26,598 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:29:26,598 INFO L74 IsIncluded]: Start isIncluded. First operand has 61 states, 56 states have (on average 1.0178571428571428) internal successors, (57), 56 states have internal predecessors, (57), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 61 states. [2022-04-08 09:29:26,598 INFO L87 Difference]: Start difference. First operand has 61 states, 56 states have (on average 1.0178571428571428) internal successors, (57), 56 states have internal predecessors, (57), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 61 states. [2022-04-08 09:29:26,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:29:26,599 INFO L93 Difference]: Finished difference Result 61 states and 61 transitions. [2022-04-08 09:29:26,599 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 61 transitions. [2022-04-08 09:29:26,599 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:29:26,599 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:29:26,599 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 09:29:26,599 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 09:29:26,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 56 states have (on average 1.0178571428571428) internal successors, (57), 56 states have internal predecessors, (57), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:29:26,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 61 transitions. [2022-04-08 09:29:26,600 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 61 transitions. Word has length 59 [2022-04-08 09:29:26,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 09:29:26,600 INFO L478 AbstractCegarLoop]: Abstraction has 61 states and 61 transitions. [2022-04-08 09:29:26,601 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 1.0576923076923077) internal successors, (55), 51 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) [2022-04-08 09:29:26,601 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 61 states and 61 transitions. [2022-04-08 09:29:26,659 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 61 edges. 61 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:29:26,659 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 61 transitions. [2022-04-08 09:29:26,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-04-08 09:29:26,659 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 09:29:26,659 INFO L499 BasicCegarLoop]: trace histogram [49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 09:29:26,668 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Forceful destruction successful, exit code 0 [2022-04-08 09:29:26,865 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2022-04-08 09:29:26,866 INFO L403 AbstractCegarLoop]: === Iteration 51 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 09:29:26,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 09:29:26,866 INFO L85 PathProgramCache]: Analyzing trace with hash -2040480650, now seen corresponding path program 97 times [2022-04-08 09:29:26,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 09:29:26,866 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [215565798] [2022-04-08 09:29:26,868 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-08 09:29:26,868 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-08 09:29:26,869 INFO L85 PathProgramCache]: Analyzing trace with hash -2040480650, now seen corresponding path program 98 times [2022-04-08 09:29:26,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 09:29:26,869 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276919400] [2022-04-08 09:29:26,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 09:29:26,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 09:29:26,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:29:28,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-08 09:29:28,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:29:28,234 INFO L290 TraceCheckUtils]: 0: Hoare triple {27046#(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(13, 2);call #Ultimate.allocInit(12, 3); {26991#true} is VALID [2022-04-08 09:29:28,234 INFO L290 TraceCheckUtils]: 1: Hoare triple {26991#true} assume true; {26991#true} is VALID [2022-04-08 09:29:28,234 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {26991#true} {26991#true} #34#return; {26991#true} is VALID [2022-04-08 09:29:28,235 INFO L272 TraceCheckUtils]: 0: Hoare triple {26991#true} call ULTIMATE.init(); {27046#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-08 09:29:28,235 INFO L290 TraceCheckUtils]: 1: Hoare triple {27046#(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(13, 2);call #Ultimate.allocInit(12, 3); {26991#true} is VALID [2022-04-08 09:29:28,235 INFO L290 TraceCheckUtils]: 2: Hoare triple {26991#true} assume true; {26991#true} is VALID [2022-04-08 09:29:28,235 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {26991#true} {26991#true} #34#return; {26991#true} is VALID [2022-04-08 09:29:28,235 INFO L272 TraceCheckUtils]: 4: Hoare triple {26991#true} call #t~ret4 := main(); {26991#true} is VALID [2022-04-08 09:29:28,235 INFO L290 TraceCheckUtils]: 5: Hoare triple {26991#true} ~x~0 := 268435441; {26996#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:29:28,236 INFO L290 TraceCheckUtils]: 6: Hoare triple {26996#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26997#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:29:28,236 INFO L290 TraceCheckUtils]: 7: Hoare triple {26997#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26998#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:29:28,237 INFO L290 TraceCheckUtils]: 8: Hoare triple {26998#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26999#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:29:28,238 INFO L290 TraceCheckUtils]: 9: Hoare triple {26999#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27000#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:29:28,238 INFO L290 TraceCheckUtils]: 10: Hoare triple {27000#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27001#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:29:28,239 INFO L290 TraceCheckUtils]: 11: Hoare triple {27001#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27002#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:29:28,239 INFO L290 TraceCheckUtils]: 12: Hoare triple {27002#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27003#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:29:28,240 INFO L290 TraceCheckUtils]: 13: Hoare triple {27003#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27004#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:29:28,240 INFO L290 TraceCheckUtils]: 14: Hoare triple {27004#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27005#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:29:28,241 INFO L290 TraceCheckUtils]: 15: Hoare triple {27005#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27006#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:29:28,241 INFO L290 TraceCheckUtils]: 16: Hoare triple {27006#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27007#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:29:28,242 INFO L290 TraceCheckUtils]: 17: Hoare triple {27007#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27008#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:29:28,242 INFO L290 TraceCheckUtils]: 18: Hoare triple {27008#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27009#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:29:28,243 INFO L290 TraceCheckUtils]: 19: Hoare triple {27009#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27010#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} is VALID [2022-04-08 09:29:28,243 INFO L290 TraceCheckUtils]: 20: Hoare triple {27010#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27011#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} is VALID [2022-04-08 09:29:28,244 INFO L290 TraceCheckUtils]: 21: Hoare triple {27011#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27012#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} is VALID [2022-04-08 09:29:28,244 INFO L290 TraceCheckUtils]: 22: Hoare triple {27012#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27013#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} is VALID [2022-04-08 09:29:28,245 INFO L290 TraceCheckUtils]: 23: Hoare triple {27013#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27014#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} is VALID [2022-04-08 09:29:28,245 INFO L290 TraceCheckUtils]: 24: Hoare triple {27014#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27015#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} is VALID [2022-04-08 09:29:28,246 INFO L290 TraceCheckUtils]: 25: Hoare triple {27015#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27016#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} is VALID [2022-04-08 09:29:28,246 INFO L290 TraceCheckUtils]: 26: Hoare triple {27016#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27017#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} is VALID [2022-04-08 09:29:28,247 INFO L290 TraceCheckUtils]: 27: Hoare triple {27017#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27018#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} is VALID [2022-04-08 09:29:28,247 INFO L290 TraceCheckUtils]: 28: Hoare triple {27018#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27019#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} is VALID [2022-04-08 09:29:28,248 INFO L290 TraceCheckUtils]: 29: Hoare triple {27019#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27020#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} is VALID [2022-04-08 09:29:28,248 INFO L290 TraceCheckUtils]: 30: Hoare triple {27020#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27021#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} is VALID [2022-04-08 09:29:28,249 INFO L290 TraceCheckUtils]: 31: Hoare triple {27021#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27022#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} is VALID [2022-04-08 09:29:28,249 INFO L290 TraceCheckUtils]: 32: Hoare triple {27022#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27023#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} is VALID [2022-04-08 09:29:28,250 INFO L290 TraceCheckUtils]: 33: Hoare triple {27023#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27024#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} is VALID [2022-04-08 09:29:28,251 INFO L290 TraceCheckUtils]: 34: Hoare triple {27024#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27025#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} is VALID [2022-04-08 09:29:28,252 INFO L290 TraceCheckUtils]: 35: Hoare triple {27025#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27026#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} is VALID [2022-04-08 09:29:28,253 INFO L290 TraceCheckUtils]: 36: Hoare triple {27026#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27027#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} is VALID [2022-04-08 09:29:28,253 INFO L290 TraceCheckUtils]: 37: Hoare triple {27027#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27028#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} is VALID [2022-04-08 09:29:28,254 INFO L290 TraceCheckUtils]: 38: Hoare triple {27028#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27029#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} is VALID [2022-04-08 09:29:28,255 INFO L290 TraceCheckUtils]: 39: Hoare triple {27029#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27030#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} is VALID [2022-04-08 09:29:28,255 INFO L290 TraceCheckUtils]: 40: Hoare triple {27030#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27031#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} is VALID [2022-04-08 09:29:28,256 INFO L290 TraceCheckUtils]: 41: Hoare triple {27031#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27032#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} is VALID [2022-04-08 09:29:28,257 INFO L290 TraceCheckUtils]: 42: Hoare triple {27032#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27033#(and (<= main_~x~0 268435367) (<= 268435367 main_~x~0))} is VALID [2022-04-08 09:29:28,257 INFO L290 TraceCheckUtils]: 43: Hoare triple {27033#(and (<= main_~x~0 268435367) (<= 268435367 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27034#(and (<= 268435365 main_~x~0) (<= main_~x~0 268435365))} is VALID [2022-04-08 09:29:28,258 INFO L290 TraceCheckUtils]: 44: Hoare triple {27034#(and (<= 268435365 main_~x~0) (<= main_~x~0 268435365))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27035#(and (<= 268435363 main_~x~0) (<= main_~x~0 268435363))} is VALID [2022-04-08 09:29:28,258 INFO L290 TraceCheckUtils]: 45: Hoare triple {27035#(and (<= 268435363 main_~x~0) (<= main_~x~0 268435363))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27036#(and (<= main_~x~0 268435361) (<= 268435361 main_~x~0))} is VALID [2022-04-08 09:29:28,259 INFO L290 TraceCheckUtils]: 46: Hoare triple {27036#(and (<= main_~x~0 268435361) (<= 268435361 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27037#(and (<= main_~x~0 268435359) (<= 268435359 main_~x~0))} is VALID [2022-04-08 09:29:28,260 INFO L290 TraceCheckUtils]: 47: Hoare triple {27037#(and (<= main_~x~0 268435359) (<= 268435359 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27038#(and (<= main_~x~0 268435357) (<= 268435357 main_~x~0))} is VALID [2022-04-08 09:29:28,260 INFO L290 TraceCheckUtils]: 48: Hoare triple {27038#(and (<= main_~x~0 268435357) (<= 268435357 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27039#(and (<= main_~x~0 268435355) (<= 268435355 main_~x~0))} is VALID [2022-04-08 09:29:28,261 INFO L290 TraceCheckUtils]: 49: Hoare triple {27039#(and (<= main_~x~0 268435355) (<= 268435355 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27040#(and (<= main_~x~0 268435353) (<= 268435353 main_~x~0))} is VALID [2022-04-08 09:29:28,262 INFO L290 TraceCheckUtils]: 50: Hoare triple {27040#(and (<= main_~x~0 268435353) (<= 268435353 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27041#(and (<= 268435351 main_~x~0) (<= main_~x~0 268435351))} is VALID [2022-04-08 09:29:28,262 INFO L290 TraceCheckUtils]: 51: Hoare triple {27041#(and (<= 268435351 main_~x~0) (<= main_~x~0 268435351))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27042#(and (<= 268435349 main_~x~0) (<= main_~x~0 268435349))} is VALID [2022-04-08 09:29:28,263 INFO L290 TraceCheckUtils]: 52: Hoare triple {27042#(and (<= 268435349 main_~x~0) (<= main_~x~0 268435349))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27043#(and (<= 268435347 main_~x~0) (<= main_~x~0 268435347))} is VALID [2022-04-08 09:29:28,264 INFO L290 TraceCheckUtils]: 53: Hoare triple {27043#(and (<= 268435347 main_~x~0) (<= main_~x~0 268435347))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27044#(and (<= main_~x~0 268435345) (<= 268435345 main_~x~0))} is VALID [2022-04-08 09:29:28,264 INFO L290 TraceCheckUtils]: 54: Hoare triple {27044#(and (<= main_~x~0 268435345) (<= 268435345 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27045#(and (<= (div main_~x~0 4294967296) 0) (<= 268435343 main_~x~0))} is VALID [2022-04-08 09:29:28,265 INFO L290 TraceCheckUtils]: 55: Hoare triple {27045#(and (<= (div main_~x~0 4294967296) 0) (<= 268435343 main_~x~0))} assume !(~x~0 % 4294967296 > 1); {26992#false} is VALID [2022-04-08 09:29:28,265 INFO L272 TraceCheckUtils]: 56: Hoare triple {26992#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)); {26992#false} is VALID [2022-04-08 09:29:28,265 INFO L290 TraceCheckUtils]: 57: Hoare triple {26992#false} ~cond := #in~cond; {26992#false} is VALID [2022-04-08 09:29:28,265 INFO L290 TraceCheckUtils]: 58: Hoare triple {26992#false} assume 0 == ~cond; {26992#false} is VALID [2022-04-08 09:29:28,265 INFO L290 TraceCheckUtils]: 59: Hoare triple {26992#false} assume !false; {26992#false} is VALID [2022-04-08 09:29:28,266 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:29:28,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 09:29:28,266 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276919400] [2022-04-08 09:29:28,266 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276919400] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-08 09:29:28,266 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [907384941] [2022-04-08 09:29:28,267 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-08 09:29:28,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 09:29:28,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 09:29:28,270 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) [2022-04-08 09:29:28,271 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Waiting until timeout for monitored process [2022-04-08 09:29:28,324 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-08 09:29:28,324 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 09:29:28,326 WARN L261 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 104 conjunts are in the unsatisfiable core [2022-04-08 09:29:28,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:29:28,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 09:29:28,867 INFO L272 TraceCheckUtils]: 0: Hoare triple {26991#true} call ULTIMATE.init(); {26991#true} is VALID [2022-04-08 09:29:28,868 INFO L290 TraceCheckUtils]: 1: Hoare triple {26991#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(13, 2);call #Ultimate.allocInit(12, 3); {26991#true} is VALID [2022-04-08 09:29:28,868 INFO L290 TraceCheckUtils]: 2: Hoare triple {26991#true} assume true; {26991#true} is VALID [2022-04-08 09:29:28,868 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {26991#true} {26991#true} #34#return; {26991#true} is VALID [2022-04-08 09:29:28,868 INFO L272 TraceCheckUtils]: 4: Hoare triple {26991#true} call #t~ret4 := main(); {26991#true} is VALID [2022-04-08 09:29:28,868 INFO L290 TraceCheckUtils]: 5: Hoare triple {26991#true} ~x~0 := 268435441; {26996#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:29:28,869 INFO L290 TraceCheckUtils]: 6: Hoare triple {26996#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26997#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:29:28,869 INFO L290 TraceCheckUtils]: 7: Hoare triple {26997#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26998#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:29:28,870 INFO L290 TraceCheckUtils]: 8: Hoare triple {26998#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {26999#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:29:28,870 INFO L290 TraceCheckUtils]: 9: Hoare triple {26999#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27000#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:29:28,871 INFO L290 TraceCheckUtils]: 10: Hoare triple {27000#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27001#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:29:28,872 INFO L290 TraceCheckUtils]: 11: Hoare triple {27001#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27002#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:29:28,872 INFO L290 TraceCheckUtils]: 12: Hoare triple {27002#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27003#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:29:28,875 INFO L290 TraceCheckUtils]: 13: Hoare triple {27003#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27004#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:29:28,876 INFO L290 TraceCheckUtils]: 14: Hoare triple {27004#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27005#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:29:28,877 INFO L290 TraceCheckUtils]: 15: Hoare triple {27005#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27006#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:29:28,877 INFO L290 TraceCheckUtils]: 16: Hoare triple {27006#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27007#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:29:28,878 INFO L290 TraceCheckUtils]: 17: Hoare triple {27007#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27008#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:29:28,879 INFO L290 TraceCheckUtils]: 18: Hoare triple {27008#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27009#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:29:28,879 INFO L290 TraceCheckUtils]: 19: Hoare triple {27009#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27010#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} is VALID [2022-04-08 09:29:28,880 INFO L290 TraceCheckUtils]: 20: Hoare triple {27010#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27011#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} is VALID [2022-04-08 09:29:28,881 INFO L290 TraceCheckUtils]: 21: Hoare triple {27011#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27012#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} is VALID [2022-04-08 09:29:28,881 INFO L290 TraceCheckUtils]: 22: Hoare triple {27012#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27013#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} is VALID [2022-04-08 09:29:28,882 INFO L290 TraceCheckUtils]: 23: Hoare triple {27013#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27014#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} is VALID [2022-04-08 09:29:28,883 INFO L290 TraceCheckUtils]: 24: Hoare triple {27014#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27015#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} is VALID [2022-04-08 09:29:28,883 INFO L290 TraceCheckUtils]: 25: Hoare triple {27015#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27016#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} is VALID [2022-04-08 09:29:28,884 INFO L290 TraceCheckUtils]: 26: Hoare triple {27016#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27017#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} is VALID [2022-04-08 09:29:28,885 INFO L290 TraceCheckUtils]: 27: Hoare triple {27017#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27018#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} is VALID [2022-04-08 09:29:28,885 INFO L290 TraceCheckUtils]: 28: Hoare triple {27018#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27019#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} is VALID [2022-04-08 09:29:28,886 INFO L290 TraceCheckUtils]: 29: Hoare triple {27019#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27020#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} is VALID [2022-04-08 09:29:28,887 INFO L290 TraceCheckUtils]: 30: Hoare triple {27020#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27021#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} is VALID [2022-04-08 09:29:28,887 INFO L290 TraceCheckUtils]: 31: Hoare triple {27021#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27022#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} is VALID [2022-04-08 09:29:28,888 INFO L290 TraceCheckUtils]: 32: Hoare triple {27022#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27023#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} is VALID [2022-04-08 09:29:28,889 INFO L290 TraceCheckUtils]: 33: Hoare triple {27023#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27024#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} is VALID [2022-04-08 09:29:28,889 INFO L290 TraceCheckUtils]: 34: Hoare triple {27024#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27025#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} is VALID [2022-04-08 09:29:28,890 INFO L290 TraceCheckUtils]: 35: Hoare triple {27025#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27026#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} is VALID [2022-04-08 09:29:28,891 INFO L290 TraceCheckUtils]: 36: Hoare triple {27026#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27027#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} is VALID [2022-04-08 09:29:28,891 INFO L290 TraceCheckUtils]: 37: Hoare triple {27027#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27028#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} is VALID [2022-04-08 09:29:28,892 INFO L290 TraceCheckUtils]: 38: Hoare triple {27028#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27029#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} is VALID [2022-04-08 09:29:28,893 INFO L290 TraceCheckUtils]: 39: Hoare triple {27029#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27030#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} is VALID [2022-04-08 09:29:28,893 INFO L290 TraceCheckUtils]: 40: Hoare triple {27030#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27031#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} is VALID [2022-04-08 09:29:28,894 INFO L290 TraceCheckUtils]: 41: Hoare triple {27031#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27032#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} is VALID [2022-04-08 09:29:28,895 INFO L290 TraceCheckUtils]: 42: Hoare triple {27032#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27033#(and (<= main_~x~0 268435367) (<= 268435367 main_~x~0))} is VALID [2022-04-08 09:29:28,895 INFO L290 TraceCheckUtils]: 43: Hoare triple {27033#(and (<= main_~x~0 268435367) (<= 268435367 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27034#(and (<= 268435365 main_~x~0) (<= main_~x~0 268435365))} is VALID [2022-04-08 09:29:28,896 INFO L290 TraceCheckUtils]: 44: Hoare triple {27034#(and (<= 268435365 main_~x~0) (<= main_~x~0 268435365))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27035#(and (<= 268435363 main_~x~0) (<= main_~x~0 268435363))} is VALID [2022-04-08 09:29:28,897 INFO L290 TraceCheckUtils]: 45: Hoare triple {27035#(and (<= 268435363 main_~x~0) (<= main_~x~0 268435363))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27036#(and (<= main_~x~0 268435361) (<= 268435361 main_~x~0))} is VALID [2022-04-08 09:29:28,897 INFO L290 TraceCheckUtils]: 46: Hoare triple {27036#(and (<= main_~x~0 268435361) (<= 268435361 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27037#(and (<= main_~x~0 268435359) (<= 268435359 main_~x~0))} is VALID [2022-04-08 09:29:28,898 INFO L290 TraceCheckUtils]: 47: Hoare triple {27037#(and (<= main_~x~0 268435359) (<= 268435359 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27038#(and (<= main_~x~0 268435357) (<= 268435357 main_~x~0))} is VALID [2022-04-08 09:29:28,899 INFO L290 TraceCheckUtils]: 48: Hoare triple {27038#(and (<= main_~x~0 268435357) (<= 268435357 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27039#(and (<= main_~x~0 268435355) (<= 268435355 main_~x~0))} is VALID [2022-04-08 09:29:28,899 INFO L290 TraceCheckUtils]: 49: Hoare triple {27039#(and (<= main_~x~0 268435355) (<= 268435355 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27040#(and (<= main_~x~0 268435353) (<= 268435353 main_~x~0))} is VALID [2022-04-08 09:29:28,900 INFO L290 TraceCheckUtils]: 50: Hoare triple {27040#(and (<= main_~x~0 268435353) (<= 268435353 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27041#(and (<= 268435351 main_~x~0) (<= main_~x~0 268435351))} is VALID [2022-04-08 09:29:28,900 INFO L290 TraceCheckUtils]: 51: Hoare triple {27041#(and (<= 268435351 main_~x~0) (<= main_~x~0 268435351))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27042#(and (<= 268435349 main_~x~0) (<= main_~x~0 268435349))} is VALID [2022-04-08 09:29:28,901 INFO L290 TraceCheckUtils]: 52: Hoare triple {27042#(and (<= 268435349 main_~x~0) (<= main_~x~0 268435349))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27043#(and (<= 268435347 main_~x~0) (<= main_~x~0 268435347))} is VALID [2022-04-08 09:29:28,902 INFO L290 TraceCheckUtils]: 53: Hoare triple {27043#(and (<= 268435347 main_~x~0) (<= main_~x~0 268435347))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27044#(and (<= main_~x~0 268435345) (<= 268435345 main_~x~0))} is VALID [2022-04-08 09:29:28,902 INFO L290 TraceCheckUtils]: 54: Hoare triple {27044#(and (<= main_~x~0 268435345) (<= 268435345 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27212#(and (<= main_~x~0 268435343) (<= 268435343 main_~x~0))} is VALID [2022-04-08 09:29:28,903 INFO L290 TraceCheckUtils]: 55: Hoare triple {27212#(and (<= main_~x~0 268435343) (<= 268435343 main_~x~0))} assume !(~x~0 % 4294967296 > 1); {26992#false} is VALID [2022-04-08 09:29:28,903 INFO L272 TraceCheckUtils]: 56: Hoare triple {26992#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)); {26992#false} is VALID [2022-04-08 09:29:28,903 INFO L290 TraceCheckUtils]: 57: Hoare triple {26992#false} ~cond := #in~cond; {26992#false} is VALID [2022-04-08 09:29:28,903 INFO L290 TraceCheckUtils]: 58: Hoare triple {26992#false} assume 0 == ~cond; {26992#false} is VALID [2022-04-08 09:29:28,904 INFO L290 TraceCheckUtils]: 59: Hoare triple {26992#false} assume !false; {26992#false} is VALID [2022-04-08 09:29:28,904 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:29:28,904 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 09:29:33,983 INFO L290 TraceCheckUtils]: 59: Hoare triple {26992#false} assume !false; {26992#false} is VALID [2022-04-08 09:29:33,988 INFO L290 TraceCheckUtils]: 58: Hoare triple {27231#(not (<= __VERIFIER_assert_~cond 0))} assume 0 == ~cond; {26992#false} is VALID [2022-04-08 09:29:33,989 INFO L290 TraceCheckUtils]: 57: Hoare triple {27235#(< 0 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {27231#(not (<= __VERIFIER_assert_~cond 0))} is VALID [2022-04-08 09:29:33,989 INFO L272 TraceCheckUtils]: 56: Hoare triple {27239#(= (mod main_~x~0 2) 0)} 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)); {27235#(< 0 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-08 09:29:33,989 INFO L290 TraceCheckUtils]: 55: Hoare triple {27243#(or (< 1 (mod main_~x~0 4294967296)) (= (mod main_~x~0 2) 0))} assume !(~x~0 % 4294967296 > 1); {27239#(= (mod main_~x~0 2) 0)} is VALID [2022-04-08 09:29:33,991 INFO L290 TraceCheckUtils]: 54: Hoare triple {27247#(or (< 1 (mod (+ main_~x~0 4294967294) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27243#(or (< 1 (mod main_~x~0 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:33,992 INFO L290 TraceCheckUtils]: 53: Hoare triple {27251#(or (< 1 (mod (+ 4294967292 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27247#(or (< 1 (mod (+ main_~x~0 4294967294) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:33,993 INFO L290 TraceCheckUtils]: 52: Hoare triple {27255#(or (< 1 (mod (+ 4294967290 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27251#(or (< 1 (mod (+ 4294967292 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:33,994 INFO L290 TraceCheckUtils]: 51: Hoare triple {27259#(or (< 1 (mod (+ 4294967288 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27255#(or (< 1 (mod (+ 4294967290 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:33,996 INFO L290 TraceCheckUtils]: 50: Hoare triple {27263#(or (< 1 (mod (+ main_~x~0 4294967286) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27259#(or (< 1 (mod (+ 4294967288 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:33,997 INFO L290 TraceCheckUtils]: 49: Hoare triple {27267#(or (< 1 (mod (+ main_~x~0 4294967284) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27263#(or (< 1 (mod (+ main_~x~0 4294967286) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:33,998 INFO L290 TraceCheckUtils]: 48: Hoare triple {27271#(or (< 1 (mod (+ 4294967282 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27267#(or (< 1 (mod (+ main_~x~0 4294967284) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:34,000 INFO L290 TraceCheckUtils]: 47: Hoare triple {27275#(or (< 1 (mod (+ main_~x~0 4294967280) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27271#(or (< 1 (mod (+ 4294967282 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:34,001 INFO L290 TraceCheckUtils]: 46: Hoare triple {27279#(or (< 1 (mod (+ main_~x~0 4294967278) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27275#(or (< 1 (mod (+ main_~x~0 4294967280) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:34,002 INFO L290 TraceCheckUtils]: 45: Hoare triple {27283#(or (< 1 (mod (+ 4294967276 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27279#(or (< 1 (mod (+ main_~x~0 4294967278) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:34,003 INFO L290 TraceCheckUtils]: 44: Hoare triple {27287#(or (< 1 (mod (+ 4294967274 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27283#(or (< 1 (mod (+ 4294967276 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:34,004 INFO L290 TraceCheckUtils]: 43: Hoare triple {27291#(or (< 1 (mod (+ 4294967272 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27287#(or (< 1 (mod (+ 4294967274 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:34,004 INFO L290 TraceCheckUtils]: 42: Hoare triple {27295#(or (< 1 (mod (+ main_~x~0 4294967270) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27291#(or (< 1 (mod (+ 4294967272 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:34,005 INFO L290 TraceCheckUtils]: 41: Hoare triple {27299#(or (< 1 (mod (+ main_~x~0 4294967268) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27295#(or (< 1 (mod (+ main_~x~0 4294967270) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:34,006 INFO L290 TraceCheckUtils]: 40: Hoare triple {27303#(or (< 1 (mod (+ main_~x~0 4294967266) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27299#(or (< 1 (mod (+ main_~x~0 4294967268) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:34,008 INFO L290 TraceCheckUtils]: 39: Hoare triple {27307#(or (< 1 (mod (+ main_~x~0 4294967264) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27303#(or (< 1 (mod (+ main_~x~0 4294967266) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:34,009 INFO L290 TraceCheckUtils]: 38: Hoare triple {27311#(or (< 1 (mod (+ main_~x~0 4294967262) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27307#(or (< 1 (mod (+ main_~x~0 4294967264) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:34,010 INFO L290 TraceCheckUtils]: 37: Hoare triple {27315#(or (< 1 (mod (+ 4294967260 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27311#(or (< 1 (mod (+ main_~x~0 4294967262) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:34,011 INFO L290 TraceCheckUtils]: 36: Hoare triple {27319#(or (< 1 (mod (+ main_~x~0 4294967258) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27315#(or (< 1 (mod (+ 4294967260 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:34,019 INFO L290 TraceCheckUtils]: 35: Hoare triple {27323#(or (< 1 (mod (+ main_~x~0 4294967256) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27319#(or (< 1 (mod (+ main_~x~0 4294967258) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:34,019 INFO L290 TraceCheckUtils]: 34: Hoare triple {27327#(or (< 1 (mod (+ 4294967254 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27323#(or (< 1 (mod (+ main_~x~0 4294967256) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:34,020 INFO L290 TraceCheckUtils]: 33: Hoare triple {27331#(or (< 1 (mod (+ main_~x~0 4294967252) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27327#(or (< 1 (mod (+ 4294967254 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:34,021 INFO L290 TraceCheckUtils]: 32: Hoare triple {27335#(or (< 1 (mod (+ 4294967250 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27331#(or (< 1 (mod (+ main_~x~0 4294967252) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:34,022 INFO L290 TraceCheckUtils]: 31: Hoare triple {27339#(or (< 1 (mod (+ main_~x~0 4294967248) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27335#(or (< 1 (mod (+ 4294967250 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:34,023 INFO L290 TraceCheckUtils]: 30: Hoare triple {27343#(or (< 1 (mod (+ 4294967246 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27339#(or (< 1 (mod (+ main_~x~0 4294967248) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:34,024 INFO L290 TraceCheckUtils]: 29: Hoare triple {27347#(or (< 1 (mod (+ main_~x~0 4294967244) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27343#(or (< 1 (mod (+ 4294967246 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:34,024 INFO L290 TraceCheckUtils]: 28: Hoare triple {27351#(or (< 1 (mod (+ main_~x~0 4294967242) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27347#(or (< 1 (mod (+ main_~x~0 4294967244) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:34,026 INFO L290 TraceCheckUtils]: 27: Hoare triple {27355#(or (< 1 (mod (+ 4294967240 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27351#(or (< 1 (mod (+ main_~x~0 4294967242) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:34,027 INFO L290 TraceCheckUtils]: 26: Hoare triple {27359#(or (< 1 (mod (+ 4294967238 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27355#(or (< 1 (mod (+ 4294967240 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:34,028 INFO L290 TraceCheckUtils]: 25: Hoare triple {27363#(or (< 1 (mod (+ main_~x~0 4294967236) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27359#(or (< 1 (mod (+ 4294967238 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:34,029 INFO L290 TraceCheckUtils]: 24: Hoare triple {27367#(or (< 1 (mod (+ main_~x~0 4294967234) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27363#(or (< 1 (mod (+ main_~x~0 4294967236) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:34,030 INFO L290 TraceCheckUtils]: 23: Hoare triple {27371#(or (< 1 (mod (+ main_~x~0 4294967232) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27367#(or (< 1 (mod (+ main_~x~0 4294967234) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:34,031 INFO L290 TraceCheckUtils]: 22: Hoare triple {27375#(or (< 1 (mod (+ 4294967230 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27371#(or (< 1 (mod (+ main_~x~0 4294967232) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:34,032 INFO L290 TraceCheckUtils]: 21: Hoare triple {27379#(or (< 1 (mod (+ main_~x~0 4294967228) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27375#(or (< 1 (mod (+ 4294967230 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:34,032 INFO L290 TraceCheckUtils]: 20: Hoare triple {27383#(or (< 1 (mod (+ main_~x~0 4294967226) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27379#(or (< 1 (mod (+ main_~x~0 4294967228) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:34,033 INFO L290 TraceCheckUtils]: 19: Hoare triple {27387#(or (< 1 (mod (+ 4294967224 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27383#(or (< 1 (mod (+ main_~x~0 4294967226) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:34,034 INFO L290 TraceCheckUtils]: 18: Hoare triple {27391#(or (< 1 (mod (+ main_~x~0 4294967222) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27387#(or (< 1 (mod (+ 4294967224 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:34,036 INFO L290 TraceCheckUtils]: 17: Hoare triple {27395#(or (< 1 (mod (+ main_~x~0 4294967220) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27391#(or (< 1 (mod (+ main_~x~0 4294967222) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:34,037 INFO L290 TraceCheckUtils]: 16: Hoare triple {27399#(or (< 1 (mod (+ 4294967218 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27395#(or (< 1 (mod (+ main_~x~0 4294967220) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:34,038 INFO L290 TraceCheckUtils]: 15: Hoare triple {27403#(or (< 1 (mod (+ 4294967216 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27399#(or (< 1 (mod (+ 4294967218 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:34,039 INFO L290 TraceCheckUtils]: 14: Hoare triple {27407#(or (< 1 (mod (+ main_~x~0 4294967214) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27403#(or (< 1 (mod (+ 4294967216 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:34,040 INFO L290 TraceCheckUtils]: 13: Hoare triple {27411#(or (< 1 (mod (+ 4294967212 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27407#(or (< 1 (mod (+ main_~x~0 4294967214) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:34,041 INFO L290 TraceCheckUtils]: 12: Hoare triple {27415#(or (< 1 (mod (+ 4294967210 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27411#(or (< 1 (mod (+ 4294967212 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:34,042 INFO L290 TraceCheckUtils]: 11: Hoare triple {27419#(or (< 1 (mod (+ main_~x~0 4294967208) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27415#(or (< 1 (mod (+ 4294967210 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:34,043 INFO L290 TraceCheckUtils]: 10: Hoare triple {27423#(or (< 1 (mod (+ 4294967206 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27419#(or (< 1 (mod (+ main_~x~0 4294967208) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:34,044 INFO L290 TraceCheckUtils]: 9: Hoare triple {27427#(or (< 1 (mod (+ main_~x~0 4294967204) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27423#(or (< 1 (mod (+ 4294967206 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:34,045 INFO L290 TraceCheckUtils]: 8: Hoare triple {27431#(or (< 1 (mod (+ 4294967202 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27427#(or (< 1 (mod (+ main_~x~0 4294967204) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:34,046 INFO L290 TraceCheckUtils]: 7: Hoare triple {27435#(or (< 1 (mod (+ 4294967200 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27431#(or (< 1 (mod (+ 4294967202 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:34,048 INFO L290 TraceCheckUtils]: 6: Hoare triple {27439#(or (< 1 (mod (+ 4294967198 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27435#(or (< 1 (mod (+ 4294967200 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:34,048 INFO L290 TraceCheckUtils]: 5: Hoare triple {26991#true} ~x~0 := 268435441; {27439#(or (< 1 (mod (+ 4294967198 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:29:34,048 INFO L272 TraceCheckUtils]: 4: Hoare triple {26991#true} call #t~ret4 := main(); {26991#true} is VALID [2022-04-08 09:29:34,048 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {26991#true} {26991#true} #34#return; {26991#true} is VALID [2022-04-08 09:29:34,048 INFO L290 TraceCheckUtils]: 2: Hoare triple {26991#true} assume true; {26991#true} is VALID [2022-04-08 09:29:34,049 INFO L290 TraceCheckUtils]: 1: Hoare triple {26991#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(13, 2);call #Ultimate.allocInit(12, 3); {26991#true} is VALID [2022-04-08 09:29:34,049 INFO L272 TraceCheckUtils]: 0: Hoare triple {26991#true} call ULTIMATE.init(); {26991#true} is VALID [2022-04-08 09:29:34,049 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:29:34,049 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [907384941] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-08 09:29:34,049 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-08 09:29:34,050 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 52, 55] total 107 [2022-04-08 09:29:34,050 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 09:29:34,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [215565798] [2022-04-08 09:29:34,050 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [215565798] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 09:29:34,050 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 09:29:34,050 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [53] imperfect sequences [] total 53 [2022-04-08 09:29:34,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145807098] [2022-04-08 09:29:34,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 09:29:34,051 INFO L78 Accepts]: Start accepts. Automaton has has 53 states, 53 states have (on average 1.0566037735849056) internal successors, (56), 52 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 [2022-04-08 09:29:34,051 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 09:29:34,051 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 53 states, 53 states have (on average 1.0566037735849056) internal successors, (56), 52 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) [2022-04-08 09:29:34,097 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 60 edges. 60 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:29:34,097 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2022-04-08 09:29:34,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 09:29:34,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2022-04-08 09:29:34,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2861, Invalid=8481, Unknown=0, NotChecked=0, Total=11342 [2022-04-08 09:29:34,099 INFO L87 Difference]: Start difference. First operand 61 states and 61 transitions. Second operand has 53 states, 53 states have (on average 1.0566037735849056) internal successors, (56), 52 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) [2022-04-08 09:29:39,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:29:39,248 INFO L93 Difference]: Finished difference Result 67 states and 67 transitions. [2022-04-08 09:29:39,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-04-08 09:29:39,248 INFO L78 Accepts]: Start accepts. Automaton has has 53 states, 53 states have (on average 1.0566037735849056) internal successors, (56), 52 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 [2022-04-08 09:29:39,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 09:29:39,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 53 states have (on average 1.0566037735849056) internal successors, (56), 52 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) [2022-04-08 09:29:39,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 67 transitions. [2022-04-08 09:29:39,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 53 states have (on average 1.0566037735849056) internal successors, (56), 52 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) [2022-04-08 09:29:39,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 67 transitions. [2022-04-08 09:29:39,250 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 53 states and 67 transitions. [2022-04-08 09:29:39,292 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 67 edges. 67 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:29:39,293 INFO L225 Difference]: With dead ends: 67 [2022-04-08 09:29:39,293 INFO L226 Difference]: Without dead ends: 62 [2022-04-08 09:29:39,294 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 68 SyntacticMatches, 1 SemanticMatches, 155 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1334 ImplicationChecksByTransitivity, 7.0s TimeCoverageRelationStatistics Valid=5659, Invalid=18833, Unknown=0, NotChecked=0, Total=24492 [2022-04-08 09:29:39,295 INFO L913 BasicCegarLoop]: 11 mSDtfsCounter, 6 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 2647 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 2748 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 2647 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-04-08 09:29:39,295 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 208 Invalid, 2748 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 2647 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-04-08 09:29:39,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2022-04-08 09:29:39,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2022-04-08 09:29:39,377 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 09:29:39,377 INFO L82 GeneralOperation]: Start isEquivalent. First operand 62 states. Second operand has 62 states, 57 states have (on average 1.0175438596491229) internal successors, (58), 57 states have internal predecessors, (58), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:29:39,377 INFO L74 IsIncluded]: Start isIncluded. First operand 62 states. Second operand has 62 states, 57 states have (on average 1.0175438596491229) internal successors, (58), 57 states have internal predecessors, (58), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:29:39,378 INFO L87 Difference]: Start difference. First operand 62 states. Second operand has 62 states, 57 states have (on average 1.0175438596491229) internal successors, (58), 57 states have internal predecessors, (58), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:29:39,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:29:39,378 INFO L93 Difference]: Finished difference Result 62 states and 62 transitions. [2022-04-08 09:29:39,378 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 62 transitions. [2022-04-08 09:29:39,378 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:29:39,379 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:29:39,379 INFO L74 IsIncluded]: Start isIncluded. First operand has 62 states, 57 states have (on average 1.0175438596491229) internal successors, (58), 57 states have internal predecessors, (58), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 62 states. [2022-04-08 09:29:39,379 INFO L87 Difference]: Start difference. First operand has 62 states, 57 states have (on average 1.0175438596491229) internal successors, (58), 57 states have internal predecessors, (58), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 62 states. [2022-04-08 09:29:39,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:29:39,379 INFO L93 Difference]: Finished difference Result 62 states and 62 transitions. [2022-04-08 09:29:39,379 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 62 transitions. [2022-04-08 09:29:39,380 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:29:39,380 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:29:39,380 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 09:29:39,380 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 09:29:39,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 57 states have (on average 1.0175438596491229) internal successors, (58), 57 states have internal predecessors, (58), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:29:39,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 62 transitions. [2022-04-08 09:29:39,381 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 62 transitions. Word has length 60 [2022-04-08 09:29:39,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 09:29:39,381 INFO L478 AbstractCegarLoop]: Abstraction has 62 states and 62 transitions. [2022-04-08 09:29:39,381 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 1.0566037735849056) internal successors, (56), 52 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) [2022-04-08 09:29:39,381 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 62 states and 62 transitions. [2022-04-08 09:29:39,439 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 62 edges. 62 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:29:39,439 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 62 transitions. [2022-04-08 09:29:39,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-04-08 09:29:39,439 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 09:29:39,440 INFO L499 BasicCegarLoop]: trace histogram [50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 09:29:39,464 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Ended with exit code 0 [2022-04-08 09:29:39,640 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,50 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 09:29:39,640 INFO L403 AbstractCegarLoop]: === Iteration 52 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 09:29:39,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 09:29:39,641 INFO L85 PathProgramCache]: Analyzing trace with hash 1206070556, now seen corresponding path program 99 times [2022-04-08 09:29:39,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 09:29:39,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1115091493] [2022-04-08 09:29:39,643 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-08 09:29:39,643 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-08 09:29:39,643 INFO L85 PathProgramCache]: Analyzing trace with hash 1206070556, now seen corresponding path program 100 times [2022-04-08 09:29:39,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 09:29:39,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970009021] [2022-04-08 09:29:39,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 09:29:39,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 09:29:39,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:29:41,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-08 09:29:41,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:29:41,018 INFO L290 TraceCheckUtils]: 0: Hoare triple {27998#(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(13, 2);call #Ultimate.allocInit(12, 3); {27942#true} is VALID [2022-04-08 09:29:41,018 INFO L290 TraceCheckUtils]: 1: Hoare triple {27942#true} assume true; {27942#true} is VALID [2022-04-08 09:29:41,018 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {27942#true} {27942#true} #34#return; {27942#true} is VALID [2022-04-08 09:29:41,019 INFO L272 TraceCheckUtils]: 0: Hoare triple {27942#true} call ULTIMATE.init(); {27998#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-08 09:29:41,019 INFO L290 TraceCheckUtils]: 1: Hoare triple {27998#(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(13, 2);call #Ultimate.allocInit(12, 3); {27942#true} is VALID [2022-04-08 09:29:41,019 INFO L290 TraceCheckUtils]: 2: Hoare triple {27942#true} assume true; {27942#true} is VALID [2022-04-08 09:29:41,019 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {27942#true} {27942#true} #34#return; {27942#true} is VALID [2022-04-08 09:29:41,019 INFO L272 TraceCheckUtils]: 4: Hoare triple {27942#true} call #t~ret4 := main(); {27942#true} is VALID [2022-04-08 09:29:41,020 INFO L290 TraceCheckUtils]: 5: Hoare triple {27942#true} ~x~0 := 268435441; {27947#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:29:41,020 INFO L290 TraceCheckUtils]: 6: Hoare triple {27947#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27948#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:29:41,021 INFO L290 TraceCheckUtils]: 7: Hoare triple {27948#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27949#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:29:41,021 INFO L290 TraceCheckUtils]: 8: Hoare triple {27949#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27950#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:29:41,022 INFO L290 TraceCheckUtils]: 9: Hoare triple {27950#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27951#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:29:41,022 INFO L290 TraceCheckUtils]: 10: Hoare triple {27951#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27952#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:29:41,023 INFO L290 TraceCheckUtils]: 11: Hoare triple {27952#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27953#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:29:41,023 INFO L290 TraceCheckUtils]: 12: Hoare triple {27953#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27954#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:29:41,024 INFO L290 TraceCheckUtils]: 13: Hoare triple {27954#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27955#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:29:41,024 INFO L290 TraceCheckUtils]: 14: Hoare triple {27955#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27956#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:29:41,025 INFO L290 TraceCheckUtils]: 15: Hoare triple {27956#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27957#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:29:41,025 INFO L290 TraceCheckUtils]: 16: Hoare triple {27957#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27958#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:29:41,026 INFO L290 TraceCheckUtils]: 17: Hoare triple {27958#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27959#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:29:41,026 INFO L290 TraceCheckUtils]: 18: Hoare triple {27959#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27960#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:29:41,027 INFO L290 TraceCheckUtils]: 19: Hoare triple {27960#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27961#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} is VALID [2022-04-08 09:29:41,027 INFO L290 TraceCheckUtils]: 20: Hoare triple {27961#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27962#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} is VALID [2022-04-08 09:29:41,028 INFO L290 TraceCheckUtils]: 21: Hoare triple {27962#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27963#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} is VALID [2022-04-08 09:29:41,028 INFO L290 TraceCheckUtils]: 22: Hoare triple {27963#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27964#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} is VALID [2022-04-08 09:29:41,029 INFO L290 TraceCheckUtils]: 23: Hoare triple {27964#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27965#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} is VALID [2022-04-08 09:29:41,029 INFO L290 TraceCheckUtils]: 24: Hoare triple {27965#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27966#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} is VALID [2022-04-08 09:29:41,030 INFO L290 TraceCheckUtils]: 25: Hoare triple {27966#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27967#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} is VALID [2022-04-08 09:29:41,030 INFO L290 TraceCheckUtils]: 26: Hoare triple {27967#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27968#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} is VALID [2022-04-08 09:29:41,031 INFO L290 TraceCheckUtils]: 27: Hoare triple {27968#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27969#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} is VALID [2022-04-08 09:29:41,031 INFO L290 TraceCheckUtils]: 28: Hoare triple {27969#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27970#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} is VALID [2022-04-08 09:29:41,032 INFO L290 TraceCheckUtils]: 29: Hoare triple {27970#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27971#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} is VALID [2022-04-08 09:29:41,033 INFO L290 TraceCheckUtils]: 30: Hoare triple {27971#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27972#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} is VALID [2022-04-08 09:29:41,033 INFO L290 TraceCheckUtils]: 31: Hoare triple {27972#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27973#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} is VALID [2022-04-08 09:29:41,034 INFO L290 TraceCheckUtils]: 32: Hoare triple {27973#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27974#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} is VALID [2022-04-08 09:29:41,034 INFO L290 TraceCheckUtils]: 33: Hoare triple {27974#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27975#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} is VALID [2022-04-08 09:29:41,035 INFO L290 TraceCheckUtils]: 34: Hoare triple {27975#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27976#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} is VALID [2022-04-08 09:29:41,036 INFO L290 TraceCheckUtils]: 35: Hoare triple {27976#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27977#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} is VALID [2022-04-08 09:29:41,036 INFO L290 TraceCheckUtils]: 36: Hoare triple {27977#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27978#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} is VALID [2022-04-08 09:29:41,037 INFO L290 TraceCheckUtils]: 37: Hoare triple {27978#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27979#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} is VALID [2022-04-08 09:29:41,037 INFO L290 TraceCheckUtils]: 38: Hoare triple {27979#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27980#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} is VALID [2022-04-08 09:29:41,038 INFO L290 TraceCheckUtils]: 39: Hoare triple {27980#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27981#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} is VALID [2022-04-08 09:29:41,038 INFO L290 TraceCheckUtils]: 40: Hoare triple {27981#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27982#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} is VALID [2022-04-08 09:29:41,039 INFO L290 TraceCheckUtils]: 41: Hoare triple {27982#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27983#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} is VALID [2022-04-08 09:29:41,039 INFO L290 TraceCheckUtils]: 42: Hoare triple {27983#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27984#(and (<= main_~x~0 268435367) (<= 268435367 main_~x~0))} is VALID [2022-04-08 09:29:41,040 INFO L290 TraceCheckUtils]: 43: Hoare triple {27984#(and (<= main_~x~0 268435367) (<= 268435367 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27985#(and (<= 268435365 main_~x~0) (<= main_~x~0 268435365))} is VALID [2022-04-08 09:29:41,040 INFO L290 TraceCheckUtils]: 44: Hoare triple {27985#(and (<= 268435365 main_~x~0) (<= main_~x~0 268435365))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27986#(and (<= 268435363 main_~x~0) (<= main_~x~0 268435363))} is VALID [2022-04-08 09:29:41,041 INFO L290 TraceCheckUtils]: 45: Hoare triple {27986#(and (<= 268435363 main_~x~0) (<= main_~x~0 268435363))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27987#(and (<= main_~x~0 268435361) (<= 268435361 main_~x~0))} is VALID [2022-04-08 09:29:41,041 INFO L290 TraceCheckUtils]: 46: Hoare triple {27987#(and (<= main_~x~0 268435361) (<= 268435361 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27988#(and (<= main_~x~0 268435359) (<= 268435359 main_~x~0))} is VALID [2022-04-08 09:29:41,042 INFO L290 TraceCheckUtils]: 47: Hoare triple {27988#(and (<= main_~x~0 268435359) (<= 268435359 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27989#(and (<= main_~x~0 268435357) (<= 268435357 main_~x~0))} is VALID [2022-04-08 09:29:41,042 INFO L290 TraceCheckUtils]: 48: Hoare triple {27989#(and (<= main_~x~0 268435357) (<= 268435357 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27990#(and (<= main_~x~0 268435355) (<= 268435355 main_~x~0))} is VALID [2022-04-08 09:29:41,043 INFO L290 TraceCheckUtils]: 49: Hoare triple {27990#(and (<= main_~x~0 268435355) (<= 268435355 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27991#(and (<= main_~x~0 268435353) (<= 268435353 main_~x~0))} is VALID [2022-04-08 09:29:41,043 INFO L290 TraceCheckUtils]: 50: Hoare triple {27991#(and (<= main_~x~0 268435353) (<= 268435353 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27992#(and (<= 268435351 main_~x~0) (<= main_~x~0 268435351))} is VALID [2022-04-08 09:29:41,044 INFO L290 TraceCheckUtils]: 51: Hoare triple {27992#(and (<= 268435351 main_~x~0) (<= main_~x~0 268435351))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27993#(and (<= 268435349 main_~x~0) (<= main_~x~0 268435349))} is VALID [2022-04-08 09:29:41,044 INFO L290 TraceCheckUtils]: 52: Hoare triple {27993#(and (<= 268435349 main_~x~0) (<= main_~x~0 268435349))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27994#(and (<= 268435347 main_~x~0) (<= main_~x~0 268435347))} is VALID [2022-04-08 09:29:41,045 INFO L290 TraceCheckUtils]: 53: Hoare triple {27994#(and (<= 268435347 main_~x~0) (<= main_~x~0 268435347))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27995#(and (<= main_~x~0 268435345) (<= 268435345 main_~x~0))} is VALID [2022-04-08 09:29:41,046 INFO L290 TraceCheckUtils]: 54: Hoare triple {27995#(and (<= main_~x~0 268435345) (<= 268435345 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27996#(and (<= main_~x~0 268435343) (<= 268435343 main_~x~0))} is VALID [2022-04-08 09:29:41,046 INFO L290 TraceCheckUtils]: 55: Hoare triple {27996#(and (<= main_~x~0 268435343) (<= 268435343 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27997#(and (<= 268435341 main_~x~0) (<= (div main_~x~0 4294967296) 0))} is VALID [2022-04-08 09:29:41,047 INFO L290 TraceCheckUtils]: 56: Hoare triple {27997#(and (<= 268435341 main_~x~0) (<= (div main_~x~0 4294967296) 0))} assume !(~x~0 % 4294967296 > 1); {27943#false} is VALID [2022-04-08 09:29:41,047 INFO L272 TraceCheckUtils]: 57: Hoare triple {27943#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)); {27943#false} is VALID [2022-04-08 09:29:41,047 INFO L290 TraceCheckUtils]: 58: Hoare triple {27943#false} ~cond := #in~cond; {27943#false} is VALID [2022-04-08 09:29:41,047 INFO L290 TraceCheckUtils]: 59: Hoare triple {27943#false} assume 0 == ~cond; {27943#false} is VALID [2022-04-08 09:29:41,047 INFO L290 TraceCheckUtils]: 60: Hoare triple {27943#false} assume !false; {27943#false} is VALID [2022-04-08 09:29:41,047 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:29:41,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 09:29:41,048 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970009021] [2022-04-08 09:29:41,048 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970009021] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-08 09:29:41,048 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1928822170] [2022-04-08 09:29:41,048 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-08 09:29:41,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 09:29:41,048 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 09:29:41,050 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) [2022-04-08 09:29:41,050 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Waiting until timeout for monitored process [2022-04-08 09:29:41,149 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-08 09:29:41,149 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 09:29:41,151 WARN L261 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 103 conjunts are in the unsatisfiable core [2022-04-08 09:29:41,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:29:41,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 09:29:41,785 INFO L272 TraceCheckUtils]: 0: Hoare triple {27942#true} call ULTIMATE.init(); {27942#true} is VALID [2022-04-08 09:29:41,785 INFO L290 TraceCheckUtils]: 1: Hoare triple {27942#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(13, 2);call #Ultimate.allocInit(12, 3); {27942#true} is VALID [2022-04-08 09:29:41,785 INFO L290 TraceCheckUtils]: 2: Hoare triple {27942#true} assume true; {27942#true} is VALID [2022-04-08 09:29:41,785 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {27942#true} {27942#true} #34#return; {27942#true} is VALID [2022-04-08 09:29:41,785 INFO L272 TraceCheckUtils]: 4: Hoare triple {27942#true} call #t~ret4 := main(); {27942#true} is VALID [2022-04-08 09:29:41,786 INFO L290 TraceCheckUtils]: 5: Hoare triple {27942#true} ~x~0 := 268435441; {27947#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:29:41,786 INFO L290 TraceCheckUtils]: 6: Hoare triple {27947#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27948#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:29:41,787 INFO L290 TraceCheckUtils]: 7: Hoare triple {27948#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27949#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:29:41,787 INFO L290 TraceCheckUtils]: 8: Hoare triple {27949#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27950#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:29:41,788 INFO L290 TraceCheckUtils]: 9: Hoare triple {27950#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27951#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:29:41,788 INFO L290 TraceCheckUtils]: 10: Hoare triple {27951#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27952#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:29:41,789 INFO L290 TraceCheckUtils]: 11: Hoare triple {27952#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27953#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:29:41,789 INFO L290 TraceCheckUtils]: 12: Hoare triple {27953#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27954#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:29:41,790 INFO L290 TraceCheckUtils]: 13: Hoare triple {27954#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27955#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:29:41,790 INFO L290 TraceCheckUtils]: 14: Hoare triple {27955#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27956#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:29:41,791 INFO L290 TraceCheckUtils]: 15: Hoare triple {27956#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27957#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:29:41,791 INFO L290 TraceCheckUtils]: 16: Hoare triple {27957#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27958#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:29:41,792 INFO L290 TraceCheckUtils]: 17: Hoare triple {27958#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27959#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:29:41,792 INFO L290 TraceCheckUtils]: 18: Hoare triple {27959#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27960#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:29:41,793 INFO L290 TraceCheckUtils]: 19: Hoare triple {27960#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27961#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} is VALID [2022-04-08 09:29:41,793 INFO L290 TraceCheckUtils]: 20: Hoare triple {27961#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27962#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} is VALID [2022-04-08 09:29:41,794 INFO L290 TraceCheckUtils]: 21: Hoare triple {27962#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27963#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} is VALID [2022-04-08 09:29:41,794 INFO L290 TraceCheckUtils]: 22: Hoare triple {27963#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27964#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} is VALID [2022-04-08 09:29:41,795 INFO L290 TraceCheckUtils]: 23: Hoare triple {27964#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27965#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} is VALID [2022-04-08 09:29:41,795 INFO L290 TraceCheckUtils]: 24: Hoare triple {27965#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27966#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} is VALID [2022-04-08 09:29:41,796 INFO L290 TraceCheckUtils]: 25: Hoare triple {27966#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27967#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} is VALID [2022-04-08 09:29:41,797 INFO L290 TraceCheckUtils]: 26: Hoare triple {27967#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27968#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} is VALID [2022-04-08 09:29:41,797 INFO L290 TraceCheckUtils]: 27: Hoare triple {27968#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27969#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} is VALID [2022-04-08 09:29:41,798 INFO L290 TraceCheckUtils]: 28: Hoare triple {27969#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27970#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} is VALID [2022-04-08 09:29:41,798 INFO L290 TraceCheckUtils]: 29: Hoare triple {27970#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27971#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} is VALID [2022-04-08 09:29:41,799 INFO L290 TraceCheckUtils]: 30: Hoare triple {27971#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27972#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} is VALID [2022-04-08 09:29:41,799 INFO L290 TraceCheckUtils]: 31: Hoare triple {27972#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27973#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} is VALID [2022-04-08 09:29:41,800 INFO L290 TraceCheckUtils]: 32: Hoare triple {27973#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27974#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} is VALID [2022-04-08 09:29:41,800 INFO L290 TraceCheckUtils]: 33: Hoare triple {27974#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27975#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} is VALID [2022-04-08 09:29:41,801 INFO L290 TraceCheckUtils]: 34: Hoare triple {27975#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27976#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} is VALID [2022-04-08 09:29:41,801 INFO L290 TraceCheckUtils]: 35: Hoare triple {27976#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27977#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} is VALID [2022-04-08 09:29:41,802 INFO L290 TraceCheckUtils]: 36: Hoare triple {27977#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27978#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} is VALID [2022-04-08 09:29:41,802 INFO L290 TraceCheckUtils]: 37: Hoare triple {27978#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27979#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} is VALID [2022-04-08 09:29:41,803 INFO L290 TraceCheckUtils]: 38: Hoare triple {27979#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27980#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} is VALID [2022-04-08 09:29:41,803 INFO L290 TraceCheckUtils]: 39: Hoare triple {27980#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27981#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} is VALID [2022-04-08 09:29:41,804 INFO L290 TraceCheckUtils]: 40: Hoare triple {27981#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27982#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} is VALID [2022-04-08 09:29:41,804 INFO L290 TraceCheckUtils]: 41: Hoare triple {27982#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27983#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} is VALID [2022-04-08 09:29:41,805 INFO L290 TraceCheckUtils]: 42: Hoare triple {27983#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27984#(and (<= main_~x~0 268435367) (<= 268435367 main_~x~0))} is VALID [2022-04-08 09:29:41,805 INFO L290 TraceCheckUtils]: 43: Hoare triple {27984#(and (<= main_~x~0 268435367) (<= 268435367 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27985#(and (<= 268435365 main_~x~0) (<= main_~x~0 268435365))} is VALID [2022-04-08 09:29:41,806 INFO L290 TraceCheckUtils]: 44: Hoare triple {27985#(and (<= 268435365 main_~x~0) (<= main_~x~0 268435365))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27986#(and (<= 268435363 main_~x~0) (<= main_~x~0 268435363))} is VALID [2022-04-08 09:29:41,806 INFO L290 TraceCheckUtils]: 45: Hoare triple {27986#(and (<= 268435363 main_~x~0) (<= main_~x~0 268435363))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27987#(and (<= main_~x~0 268435361) (<= 268435361 main_~x~0))} is VALID [2022-04-08 09:29:41,807 INFO L290 TraceCheckUtils]: 46: Hoare triple {27987#(and (<= main_~x~0 268435361) (<= 268435361 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27988#(and (<= main_~x~0 268435359) (<= 268435359 main_~x~0))} is VALID [2022-04-08 09:29:41,807 INFO L290 TraceCheckUtils]: 47: Hoare triple {27988#(and (<= main_~x~0 268435359) (<= 268435359 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27989#(and (<= main_~x~0 268435357) (<= 268435357 main_~x~0))} is VALID [2022-04-08 09:29:41,808 INFO L290 TraceCheckUtils]: 48: Hoare triple {27989#(and (<= main_~x~0 268435357) (<= 268435357 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27990#(and (<= main_~x~0 268435355) (<= 268435355 main_~x~0))} is VALID [2022-04-08 09:29:41,808 INFO L290 TraceCheckUtils]: 49: Hoare triple {27990#(and (<= main_~x~0 268435355) (<= 268435355 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27991#(and (<= main_~x~0 268435353) (<= 268435353 main_~x~0))} is VALID [2022-04-08 09:29:41,809 INFO L290 TraceCheckUtils]: 50: Hoare triple {27991#(and (<= main_~x~0 268435353) (<= 268435353 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27992#(and (<= 268435351 main_~x~0) (<= main_~x~0 268435351))} is VALID [2022-04-08 09:29:41,809 INFO L290 TraceCheckUtils]: 51: Hoare triple {27992#(and (<= 268435351 main_~x~0) (<= main_~x~0 268435351))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27993#(and (<= 268435349 main_~x~0) (<= main_~x~0 268435349))} is VALID [2022-04-08 09:29:41,810 INFO L290 TraceCheckUtils]: 52: Hoare triple {27993#(and (<= 268435349 main_~x~0) (<= main_~x~0 268435349))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27994#(and (<= 268435347 main_~x~0) (<= main_~x~0 268435347))} is VALID [2022-04-08 09:29:41,810 INFO L290 TraceCheckUtils]: 53: Hoare triple {27994#(and (<= 268435347 main_~x~0) (<= main_~x~0 268435347))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27995#(and (<= main_~x~0 268435345) (<= 268435345 main_~x~0))} is VALID [2022-04-08 09:29:41,811 INFO L290 TraceCheckUtils]: 54: Hoare triple {27995#(and (<= main_~x~0 268435345) (<= 268435345 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {27996#(and (<= main_~x~0 268435343) (<= 268435343 main_~x~0))} is VALID [2022-04-08 09:29:41,811 INFO L290 TraceCheckUtils]: 55: Hoare triple {27996#(and (<= main_~x~0 268435343) (<= 268435343 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28167#(and (<= 268435341 main_~x~0) (<= main_~x~0 268435341))} is VALID [2022-04-08 09:29:41,812 INFO L290 TraceCheckUtils]: 56: Hoare triple {28167#(and (<= 268435341 main_~x~0) (<= main_~x~0 268435341))} assume !(~x~0 % 4294967296 > 1); {27943#false} is VALID [2022-04-08 09:29:41,812 INFO L272 TraceCheckUtils]: 57: Hoare triple {27943#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)); {27943#false} is VALID [2022-04-08 09:29:41,812 INFO L290 TraceCheckUtils]: 58: Hoare triple {27943#false} ~cond := #in~cond; {27943#false} is VALID [2022-04-08 09:29:41,812 INFO L290 TraceCheckUtils]: 59: Hoare triple {27943#false} assume 0 == ~cond; {27943#false} is VALID [2022-04-08 09:29:41,812 INFO L290 TraceCheckUtils]: 60: Hoare triple {27943#false} assume !false; {27943#false} is VALID [2022-04-08 09:29:41,813 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:29:41,813 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 09:29:45,853 INFO L290 TraceCheckUtils]: 60: Hoare triple {27943#false} assume !false; {27943#false} is VALID [2022-04-08 09:29:45,853 INFO L290 TraceCheckUtils]: 59: Hoare triple {27943#false} assume 0 == ~cond; {27943#false} is VALID [2022-04-08 09:29:45,853 INFO L290 TraceCheckUtils]: 58: Hoare triple {27943#false} ~cond := #in~cond; {27943#false} is VALID [2022-04-08 09:29:45,853 INFO L272 TraceCheckUtils]: 57: Hoare triple {27943#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)); {27943#false} is VALID [2022-04-08 09:29:45,853 INFO L290 TraceCheckUtils]: 56: Hoare triple {28195#(< 1 (mod main_~x~0 4294967296))} assume !(~x~0 % 4294967296 > 1); {27943#false} is VALID [2022-04-08 09:29:45,856 INFO L290 TraceCheckUtils]: 55: Hoare triple {28199#(< 1 (mod (+ main_~x~0 4294967294) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28195#(< 1 (mod main_~x~0 4294967296))} is VALID [2022-04-08 09:29:45,857 INFO L290 TraceCheckUtils]: 54: Hoare triple {28203#(< 1 (mod (+ 4294967292 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28199#(< 1 (mod (+ main_~x~0 4294967294) 4294967296))} is VALID [2022-04-08 09:29:45,858 INFO L290 TraceCheckUtils]: 53: Hoare triple {28207#(< 1 (mod (+ 4294967290 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28203#(< 1 (mod (+ 4294967292 main_~x~0) 4294967296))} is VALID [2022-04-08 09:29:45,859 INFO L290 TraceCheckUtils]: 52: Hoare triple {28211#(< 1 (mod (+ 4294967288 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28207#(< 1 (mod (+ 4294967290 main_~x~0) 4294967296))} is VALID [2022-04-08 09:29:45,859 INFO L290 TraceCheckUtils]: 51: Hoare triple {28215#(< 1 (mod (+ main_~x~0 4294967286) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28211#(< 1 (mod (+ 4294967288 main_~x~0) 4294967296))} is VALID [2022-04-08 09:29:45,860 INFO L290 TraceCheckUtils]: 50: Hoare triple {28219#(< 1 (mod (+ main_~x~0 4294967284) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28215#(< 1 (mod (+ main_~x~0 4294967286) 4294967296))} is VALID [2022-04-08 09:29:45,861 INFO L290 TraceCheckUtils]: 49: Hoare triple {28223#(< 1 (mod (+ 4294967282 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28219#(< 1 (mod (+ main_~x~0 4294967284) 4294967296))} is VALID [2022-04-08 09:29:45,861 INFO L290 TraceCheckUtils]: 48: Hoare triple {28227#(< 1 (mod (+ main_~x~0 4294967280) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28223#(< 1 (mod (+ 4294967282 main_~x~0) 4294967296))} is VALID [2022-04-08 09:29:45,863 INFO L290 TraceCheckUtils]: 47: Hoare triple {28231#(< 1 (mod (+ main_~x~0 4294967278) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28227#(< 1 (mod (+ main_~x~0 4294967280) 4294967296))} is VALID [2022-04-08 09:29:45,864 INFO L290 TraceCheckUtils]: 46: Hoare triple {28235#(< 1 (mod (+ 4294967276 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28231#(< 1 (mod (+ main_~x~0 4294967278) 4294967296))} is VALID [2022-04-08 09:29:45,864 INFO L290 TraceCheckUtils]: 45: Hoare triple {28239#(< 1 (mod (+ 4294967274 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28235#(< 1 (mod (+ 4294967276 main_~x~0) 4294967296))} is VALID [2022-04-08 09:29:45,865 INFO L290 TraceCheckUtils]: 44: Hoare triple {28243#(< 1 (mod (+ 4294967272 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28239#(< 1 (mod (+ 4294967274 main_~x~0) 4294967296))} is VALID [2022-04-08 09:29:45,866 INFO L290 TraceCheckUtils]: 43: Hoare triple {28247#(< 1 (mod (+ main_~x~0 4294967270) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28243#(< 1 (mod (+ 4294967272 main_~x~0) 4294967296))} is VALID [2022-04-08 09:29:45,866 INFO L290 TraceCheckUtils]: 42: Hoare triple {28251#(< 1 (mod (+ main_~x~0 4294967268) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28247#(< 1 (mod (+ main_~x~0 4294967270) 4294967296))} is VALID [2022-04-08 09:29:45,867 INFO L290 TraceCheckUtils]: 41: Hoare triple {28255#(< 1 (mod (+ main_~x~0 4294967266) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28251#(< 1 (mod (+ main_~x~0 4294967268) 4294967296))} is VALID [2022-04-08 09:29:45,868 INFO L290 TraceCheckUtils]: 40: Hoare triple {28259#(< 1 (mod (+ main_~x~0 4294967264) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28255#(< 1 (mod (+ main_~x~0 4294967266) 4294967296))} is VALID [2022-04-08 09:29:45,868 INFO L290 TraceCheckUtils]: 39: Hoare triple {28263#(< 1 (mod (+ main_~x~0 4294967262) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28259#(< 1 (mod (+ main_~x~0 4294967264) 4294967296))} is VALID [2022-04-08 09:29:45,869 INFO L290 TraceCheckUtils]: 38: Hoare triple {28267#(< 1 (mod (+ 4294967260 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28263#(< 1 (mod (+ main_~x~0 4294967262) 4294967296))} is VALID [2022-04-08 09:29:45,870 INFO L290 TraceCheckUtils]: 37: Hoare triple {28271#(< 1 (mod (+ main_~x~0 4294967258) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28267#(< 1 (mod (+ 4294967260 main_~x~0) 4294967296))} is VALID [2022-04-08 09:29:45,870 INFO L290 TraceCheckUtils]: 36: Hoare triple {28275#(< 1 (mod (+ main_~x~0 4294967256) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28271#(< 1 (mod (+ main_~x~0 4294967258) 4294967296))} is VALID [2022-04-08 09:29:45,871 INFO L290 TraceCheckUtils]: 35: Hoare triple {28279#(< 1 (mod (+ 4294967254 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28275#(< 1 (mod (+ main_~x~0 4294967256) 4294967296))} is VALID [2022-04-08 09:29:45,872 INFO L290 TraceCheckUtils]: 34: Hoare triple {28283#(< 1 (mod (+ main_~x~0 4294967252) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28279#(< 1 (mod (+ 4294967254 main_~x~0) 4294967296))} is VALID [2022-04-08 09:29:45,872 INFO L290 TraceCheckUtils]: 33: Hoare triple {28287#(< 1 (mod (+ 4294967250 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28283#(< 1 (mod (+ main_~x~0 4294967252) 4294967296))} is VALID [2022-04-08 09:29:45,873 INFO L290 TraceCheckUtils]: 32: Hoare triple {28291#(< 1 (mod (+ main_~x~0 4294967248) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28287#(< 1 (mod (+ 4294967250 main_~x~0) 4294967296))} is VALID [2022-04-08 09:29:45,874 INFO L290 TraceCheckUtils]: 31: Hoare triple {28295#(< 1 (mod (+ 4294967246 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28291#(< 1 (mod (+ main_~x~0 4294967248) 4294967296))} is VALID [2022-04-08 09:29:45,875 INFO L290 TraceCheckUtils]: 30: Hoare triple {28299#(< 1 (mod (+ main_~x~0 4294967244) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28295#(< 1 (mod (+ 4294967246 main_~x~0) 4294967296))} is VALID [2022-04-08 09:29:45,876 INFO L290 TraceCheckUtils]: 29: Hoare triple {28303#(< 1 (mod (+ main_~x~0 4294967242) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28299#(< 1 (mod (+ main_~x~0 4294967244) 4294967296))} is VALID [2022-04-08 09:29:45,876 INFO L290 TraceCheckUtils]: 28: Hoare triple {28307#(< 1 (mod (+ 4294967240 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28303#(< 1 (mod (+ main_~x~0 4294967242) 4294967296))} is VALID [2022-04-08 09:29:45,877 INFO L290 TraceCheckUtils]: 27: Hoare triple {28311#(< 1 (mod (+ 4294967238 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28307#(< 1 (mod (+ 4294967240 main_~x~0) 4294967296))} is VALID [2022-04-08 09:29:45,877 INFO L290 TraceCheckUtils]: 26: Hoare triple {28315#(< 1 (mod (+ main_~x~0 4294967236) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28311#(< 1 (mod (+ 4294967238 main_~x~0) 4294967296))} is VALID [2022-04-08 09:29:45,878 INFO L290 TraceCheckUtils]: 25: Hoare triple {28319#(< 1 (mod (+ main_~x~0 4294967234) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28315#(< 1 (mod (+ main_~x~0 4294967236) 4294967296))} is VALID [2022-04-08 09:29:45,879 INFO L290 TraceCheckUtils]: 24: Hoare triple {28323#(< 1 (mod (+ main_~x~0 4294967232) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28319#(< 1 (mod (+ main_~x~0 4294967234) 4294967296))} is VALID [2022-04-08 09:29:45,880 INFO L290 TraceCheckUtils]: 23: Hoare triple {28327#(< 1 (mod (+ 4294967230 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28323#(< 1 (mod (+ main_~x~0 4294967232) 4294967296))} is VALID [2022-04-08 09:29:45,880 INFO L290 TraceCheckUtils]: 22: Hoare triple {28331#(< 1 (mod (+ main_~x~0 4294967228) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28327#(< 1 (mod (+ 4294967230 main_~x~0) 4294967296))} is VALID [2022-04-08 09:29:45,881 INFO L290 TraceCheckUtils]: 21: Hoare triple {28335#(< 1 (mod (+ main_~x~0 4294967226) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28331#(< 1 (mod (+ main_~x~0 4294967228) 4294967296))} is VALID [2022-04-08 09:29:45,882 INFO L290 TraceCheckUtils]: 20: Hoare triple {28339#(< 1 (mod (+ 4294967224 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28335#(< 1 (mod (+ main_~x~0 4294967226) 4294967296))} is VALID [2022-04-08 09:29:45,882 INFO L290 TraceCheckUtils]: 19: Hoare triple {28343#(< 1 (mod (+ main_~x~0 4294967222) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28339#(< 1 (mod (+ 4294967224 main_~x~0) 4294967296))} is VALID [2022-04-08 09:29:45,883 INFO L290 TraceCheckUtils]: 18: Hoare triple {28347#(< 1 (mod (+ main_~x~0 4294967220) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28343#(< 1 (mod (+ main_~x~0 4294967222) 4294967296))} is VALID [2022-04-08 09:29:45,883 INFO L290 TraceCheckUtils]: 17: Hoare triple {28351#(< 1 (mod (+ 4294967218 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28347#(< 1 (mod (+ main_~x~0 4294967220) 4294967296))} is VALID [2022-04-08 09:29:45,884 INFO L290 TraceCheckUtils]: 16: Hoare triple {28355#(< 1 (mod (+ 4294967216 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28351#(< 1 (mod (+ 4294967218 main_~x~0) 4294967296))} is VALID [2022-04-08 09:29:45,885 INFO L290 TraceCheckUtils]: 15: Hoare triple {28359#(< 1 (mod (+ main_~x~0 4294967214) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28355#(< 1 (mod (+ 4294967216 main_~x~0) 4294967296))} is VALID [2022-04-08 09:29:45,886 INFO L290 TraceCheckUtils]: 14: Hoare triple {28363#(< 1 (mod (+ 4294967212 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28359#(< 1 (mod (+ main_~x~0 4294967214) 4294967296))} is VALID [2022-04-08 09:29:45,886 INFO L290 TraceCheckUtils]: 13: Hoare triple {28367#(< 1 (mod (+ 4294967210 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28363#(< 1 (mod (+ 4294967212 main_~x~0) 4294967296))} is VALID [2022-04-08 09:29:45,887 INFO L290 TraceCheckUtils]: 12: Hoare triple {28371#(< 1 (mod (+ main_~x~0 4294967208) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28367#(< 1 (mod (+ 4294967210 main_~x~0) 4294967296))} is VALID [2022-04-08 09:29:45,888 INFO L290 TraceCheckUtils]: 11: Hoare triple {28375#(< 1 (mod (+ 4294967206 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28371#(< 1 (mod (+ main_~x~0 4294967208) 4294967296))} is VALID [2022-04-08 09:29:45,889 INFO L290 TraceCheckUtils]: 10: Hoare triple {28379#(< 1 (mod (+ main_~x~0 4294967204) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28375#(< 1 (mod (+ 4294967206 main_~x~0) 4294967296))} is VALID [2022-04-08 09:29:45,890 INFO L290 TraceCheckUtils]: 9: Hoare triple {28383#(< 1 (mod (+ 4294967202 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28379#(< 1 (mod (+ main_~x~0 4294967204) 4294967296))} is VALID [2022-04-08 09:29:45,890 INFO L290 TraceCheckUtils]: 8: Hoare triple {28387#(< 1 (mod (+ 4294967200 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28383#(< 1 (mod (+ 4294967202 main_~x~0) 4294967296))} is VALID [2022-04-08 09:29:45,891 INFO L290 TraceCheckUtils]: 7: Hoare triple {28391#(< 1 (mod (+ 4294967198 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28387#(< 1 (mod (+ 4294967200 main_~x~0) 4294967296))} is VALID [2022-04-08 09:29:45,892 INFO L290 TraceCheckUtils]: 6: Hoare triple {28395#(< 1 (mod (+ 4294967196 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28391#(< 1 (mod (+ 4294967198 main_~x~0) 4294967296))} is VALID [2022-04-08 09:29:45,892 INFO L290 TraceCheckUtils]: 5: Hoare triple {27942#true} ~x~0 := 268435441; {28395#(< 1 (mod (+ 4294967196 main_~x~0) 4294967296))} is VALID [2022-04-08 09:29:45,892 INFO L272 TraceCheckUtils]: 4: Hoare triple {27942#true} call #t~ret4 := main(); {27942#true} is VALID [2022-04-08 09:29:45,892 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {27942#true} {27942#true} #34#return; {27942#true} is VALID [2022-04-08 09:29:45,892 INFO L290 TraceCheckUtils]: 2: Hoare triple {27942#true} assume true; {27942#true} is VALID [2022-04-08 09:29:45,892 INFO L290 TraceCheckUtils]: 1: Hoare triple {27942#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(13, 2);call #Ultimate.allocInit(12, 3); {27942#true} is VALID [2022-04-08 09:29:45,893 INFO L272 TraceCheckUtils]: 0: Hoare triple {27942#true} call ULTIMATE.init(); {27942#true} is VALID [2022-04-08 09:29:45,893 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:29:45,894 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1928822170] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-08 09:29:45,894 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-08 09:29:45,894 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [54, 53, 53] total 106 [2022-04-08 09:29:45,894 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 09:29:45,894 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1115091493] [2022-04-08 09:29:45,894 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1115091493] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 09:29:45,894 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 09:29:45,895 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [54] imperfect sequences [] total 54 [2022-04-08 09:29:45,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300771686] [2022-04-08 09:29:45,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 09:29:45,895 INFO L78 Accepts]: Start accepts. Automaton has has 54 states, 54 states have (on average 1.0555555555555556) internal successors, (57), 53 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 [2022-04-08 09:29:45,895 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 09:29:45,896 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 54 states, 54 states have (on average 1.0555555555555556) internal successors, (57), 53 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) [2022-04-08 09:29:45,946 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 61 edges. 61 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:29:45,946 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2022-04-08 09:29:45,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 09:29:45,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2022-04-08 09:29:45,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2912, Invalid=8218, Unknown=0, NotChecked=0, Total=11130 [2022-04-08 09:29:45,948 INFO L87 Difference]: Start difference. First operand 62 states and 62 transitions. Second operand has 54 states, 54 states have (on average 1.0555555555555556) internal successors, (57), 53 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) [2022-04-08 09:29:50,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:29:50,958 INFO L93 Difference]: Finished difference Result 68 states and 68 transitions. [2022-04-08 09:29:50,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-04-08 09:29:50,958 INFO L78 Accepts]: Start accepts. Automaton has has 54 states, 54 states have (on average 1.0555555555555556) internal successors, (57), 53 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 [2022-04-08 09:29:50,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 09:29:50,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 54 states have (on average 1.0555555555555556) internal successors, (57), 53 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) [2022-04-08 09:29:50,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 68 transitions. [2022-04-08 09:29:50,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 54 states have (on average 1.0555555555555556) internal successors, (57), 53 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) [2022-04-08 09:29:50,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 68 transitions. [2022-04-08 09:29:50,960 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 54 states and 68 transitions. [2022-04-08 09:29:51,006 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 68 edges. 68 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:29:51,007 INFO L225 Difference]: With dead ends: 68 [2022-04-08 09:29:51,007 INFO L226 Difference]: Without dead ends: 63 [2022-04-08 09:29:51,008 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 72 SyntacticMatches, 1 SemanticMatches, 155 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1380 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=5817, Invalid=18675, Unknown=0, NotChecked=0, Total=24492 [2022-04-08 09:29:51,009 INFO L913 BasicCegarLoop]: 11 mSDtfsCounter, 6 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 2582 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 2685 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 2582 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-04-08 09:29:51,009 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 43 Invalid, 2685 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 2582 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-04-08 09:29:51,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2022-04-08 09:29:51,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2022-04-08 09:29:51,088 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 09:29:51,088 INFO L82 GeneralOperation]: Start isEquivalent. First operand 63 states. Second operand has 63 states, 58 states have (on average 1.0172413793103448) internal successors, (59), 58 states have internal predecessors, (59), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:29:51,088 INFO L74 IsIncluded]: Start isIncluded. First operand 63 states. Second operand has 63 states, 58 states have (on average 1.0172413793103448) internal successors, (59), 58 states have internal predecessors, (59), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:29:51,088 INFO L87 Difference]: Start difference. First operand 63 states. Second operand has 63 states, 58 states have (on average 1.0172413793103448) internal successors, (59), 58 states have internal predecessors, (59), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:29:51,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:29:51,089 INFO L93 Difference]: Finished difference Result 63 states and 63 transitions. [2022-04-08 09:29:51,089 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 63 transitions. [2022-04-08 09:29:51,089 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:29:51,089 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:29:51,089 INFO L74 IsIncluded]: Start isIncluded. First operand has 63 states, 58 states have (on average 1.0172413793103448) internal successors, (59), 58 states have internal predecessors, (59), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 63 states. [2022-04-08 09:29:51,090 INFO L87 Difference]: Start difference. First operand has 63 states, 58 states have (on average 1.0172413793103448) internal successors, (59), 58 states have internal predecessors, (59), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 63 states. [2022-04-08 09:29:51,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:29:51,090 INFO L93 Difference]: Finished difference Result 63 states and 63 transitions. [2022-04-08 09:29:51,090 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 63 transitions. [2022-04-08 09:29:51,090 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:29:51,090 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:29:51,090 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 09:29:51,091 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 09:29:51,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 58 states have (on average 1.0172413793103448) internal successors, (59), 58 states have internal predecessors, (59), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:29:51,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 63 transitions. [2022-04-08 09:29:51,091 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 63 transitions. Word has length 61 [2022-04-08 09:29:51,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 09:29:51,092 INFO L478 AbstractCegarLoop]: Abstraction has 63 states and 63 transitions. [2022-04-08 09:29:51,092 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 1.0555555555555556) internal successors, (57), 53 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) [2022-04-08 09:29:51,092 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 63 states and 63 transitions. [2022-04-08 09:29:51,139 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 63 edges. 63 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:29:51,139 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 63 transitions. [2022-04-08 09:29:51,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-04-08 09:29:51,139 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 09:29:51,139 INFO L499 BasicCegarLoop]: trace histogram [51, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 09:29:51,159 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Forceful destruction successful, exit code 0 [2022-04-08 09:29:51,343 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 51 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable51 [2022-04-08 09:29:51,344 INFO L403 AbstractCegarLoop]: === Iteration 53 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 09:29:51,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 09:29:51,344 INFO L85 PathProgramCache]: Analyzing trace with hash -1230057162, now seen corresponding path program 101 times [2022-04-08 09:29:51,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 09:29:51,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [816636239] [2022-04-08 09:29:51,347 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-08 09:29:51,347 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-08 09:29:51,347 INFO L85 PathProgramCache]: Analyzing trace with hash -1230057162, now seen corresponding path program 102 times [2022-04-08 09:29:51,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 09:29:51,348 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425480808] [2022-04-08 09:29:51,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 09:29:51,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 09:29:51,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:29:52,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-08 09:29:52,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:29:52,777 INFO L290 TraceCheckUtils]: 0: Hoare triple {28963#(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(13, 2);call #Ultimate.allocInit(12, 3); {28906#true} is VALID [2022-04-08 09:29:52,777 INFO L290 TraceCheckUtils]: 1: Hoare triple {28906#true} assume true; {28906#true} is VALID [2022-04-08 09:29:52,777 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {28906#true} {28906#true} #34#return; {28906#true} is VALID [2022-04-08 09:29:52,778 INFO L272 TraceCheckUtils]: 0: Hoare triple {28906#true} call ULTIMATE.init(); {28963#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-08 09:29:52,778 INFO L290 TraceCheckUtils]: 1: Hoare triple {28963#(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(13, 2);call #Ultimate.allocInit(12, 3); {28906#true} is VALID [2022-04-08 09:29:52,778 INFO L290 TraceCheckUtils]: 2: Hoare triple {28906#true} assume true; {28906#true} is VALID [2022-04-08 09:29:52,778 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {28906#true} {28906#true} #34#return; {28906#true} is VALID [2022-04-08 09:29:52,778 INFO L272 TraceCheckUtils]: 4: Hoare triple {28906#true} call #t~ret4 := main(); {28906#true} is VALID [2022-04-08 09:29:52,778 INFO L290 TraceCheckUtils]: 5: Hoare triple {28906#true} ~x~0 := 268435441; {28911#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:29:52,779 INFO L290 TraceCheckUtils]: 6: Hoare triple {28911#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28912#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:29:52,779 INFO L290 TraceCheckUtils]: 7: Hoare triple {28912#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28913#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:29:52,780 INFO L290 TraceCheckUtils]: 8: Hoare triple {28913#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28914#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:29:52,780 INFO L290 TraceCheckUtils]: 9: Hoare triple {28914#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28915#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:29:52,781 INFO L290 TraceCheckUtils]: 10: Hoare triple {28915#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28916#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:29:52,781 INFO L290 TraceCheckUtils]: 11: Hoare triple {28916#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28917#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:29:52,782 INFO L290 TraceCheckUtils]: 12: Hoare triple {28917#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28918#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:29:52,783 INFO L290 TraceCheckUtils]: 13: Hoare triple {28918#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28919#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:29:52,783 INFO L290 TraceCheckUtils]: 14: Hoare triple {28919#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28920#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:29:52,784 INFO L290 TraceCheckUtils]: 15: Hoare triple {28920#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28921#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:29:52,784 INFO L290 TraceCheckUtils]: 16: Hoare triple {28921#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28922#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:29:52,785 INFO L290 TraceCheckUtils]: 17: Hoare triple {28922#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28923#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:29:52,785 INFO L290 TraceCheckUtils]: 18: Hoare triple {28923#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28924#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:29:52,786 INFO L290 TraceCheckUtils]: 19: Hoare triple {28924#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28925#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} is VALID [2022-04-08 09:29:52,786 INFO L290 TraceCheckUtils]: 20: Hoare triple {28925#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28926#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} is VALID [2022-04-08 09:29:52,787 INFO L290 TraceCheckUtils]: 21: Hoare triple {28926#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28927#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} is VALID [2022-04-08 09:29:52,787 INFO L290 TraceCheckUtils]: 22: Hoare triple {28927#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28928#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} is VALID [2022-04-08 09:29:52,788 INFO L290 TraceCheckUtils]: 23: Hoare triple {28928#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28929#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} is VALID [2022-04-08 09:29:52,788 INFO L290 TraceCheckUtils]: 24: Hoare triple {28929#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28930#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} is VALID [2022-04-08 09:29:52,789 INFO L290 TraceCheckUtils]: 25: Hoare triple {28930#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28931#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} is VALID [2022-04-08 09:29:52,789 INFO L290 TraceCheckUtils]: 26: Hoare triple {28931#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28932#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} is VALID [2022-04-08 09:29:52,790 INFO L290 TraceCheckUtils]: 27: Hoare triple {28932#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28933#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} is VALID [2022-04-08 09:29:52,790 INFO L290 TraceCheckUtils]: 28: Hoare triple {28933#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28934#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} is VALID [2022-04-08 09:29:52,791 INFO L290 TraceCheckUtils]: 29: Hoare triple {28934#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28935#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} is VALID [2022-04-08 09:29:52,791 INFO L290 TraceCheckUtils]: 30: Hoare triple {28935#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28936#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} is VALID [2022-04-08 09:29:52,792 INFO L290 TraceCheckUtils]: 31: Hoare triple {28936#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28937#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} is VALID [2022-04-08 09:29:52,792 INFO L290 TraceCheckUtils]: 32: Hoare triple {28937#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28938#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} is VALID [2022-04-08 09:29:52,793 INFO L290 TraceCheckUtils]: 33: Hoare triple {28938#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28939#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} is VALID [2022-04-08 09:29:52,793 INFO L290 TraceCheckUtils]: 34: Hoare triple {28939#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28940#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} is VALID [2022-04-08 09:29:52,794 INFO L290 TraceCheckUtils]: 35: Hoare triple {28940#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28941#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} is VALID [2022-04-08 09:29:52,794 INFO L290 TraceCheckUtils]: 36: Hoare triple {28941#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28942#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} is VALID [2022-04-08 09:29:52,795 INFO L290 TraceCheckUtils]: 37: Hoare triple {28942#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28943#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} is VALID [2022-04-08 09:29:52,795 INFO L290 TraceCheckUtils]: 38: Hoare triple {28943#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28944#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} is VALID [2022-04-08 09:29:52,796 INFO L290 TraceCheckUtils]: 39: Hoare triple {28944#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28945#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} is VALID [2022-04-08 09:29:52,796 INFO L290 TraceCheckUtils]: 40: Hoare triple {28945#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28946#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} is VALID [2022-04-08 09:29:52,797 INFO L290 TraceCheckUtils]: 41: Hoare triple {28946#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28947#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} is VALID [2022-04-08 09:29:52,797 INFO L290 TraceCheckUtils]: 42: Hoare triple {28947#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28948#(and (<= main_~x~0 268435367) (<= 268435367 main_~x~0))} is VALID [2022-04-08 09:29:52,798 INFO L290 TraceCheckUtils]: 43: Hoare triple {28948#(and (<= main_~x~0 268435367) (<= 268435367 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28949#(and (<= 268435365 main_~x~0) (<= main_~x~0 268435365))} is VALID [2022-04-08 09:29:52,798 INFO L290 TraceCheckUtils]: 44: Hoare triple {28949#(and (<= 268435365 main_~x~0) (<= main_~x~0 268435365))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28950#(and (<= 268435363 main_~x~0) (<= main_~x~0 268435363))} is VALID [2022-04-08 09:29:52,799 INFO L290 TraceCheckUtils]: 45: Hoare triple {28950#(and (<= 268435363 main_~x~0) (<= main_~x~0 268435363))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28951#(and (<= main_~x~0 268435361) (<= 268435361 main_~x~0))} is VALID [2022-04-08 09:29:52,799 INFO L290 TraceCheckUtils]: 46: Hoare triple {28951#(and (<= main_~x~0 268435361) (<= 268435361 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28952#(and (<= main_~x~0 268435359) (<= 268435359 main_~x~0))} is VALID [2022-04-08 09:29:52,800 INFO L290 TraceCheckUtils]: 47: Hoare triple {28952#(and (<= main_~x~0 268435359) (<= 268435359 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28953#(and (<= main_~x~0 268435357) (<= 268435357 main_~x~0))} is VALID [2022-04-08 09:29:52,800 INFO L290 TraceCheckUtils]: 48: Hoare triple {28953#(and (<= main_~x~0 268435357) (<= 268435357 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28954#(and (<= main_~x~0 268435355) (<= 268435355 main_~x~0))} is VALID [2022-04-08 09:29:52,801 INFO L290 TraceCheckUtils]: 49: Hoare triple {28954#(and (<= main_~x~0 268435355) (<= 268435355 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28955#(and (<= main_~x~0 268435353) (<= 268435353 main_~x~0))} is VALID [2022-04-08 09:29:52,801 INFO L290 TraceCheckUtils]: 50: Hoare triple {28955#(and (<= main_~x~0 268435353) (<= 268435353 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28956#(and (<= 268435351 main_~x~0) (<= main_~x~0 268435351))} is VALID [2022-04-08 09:29:52,802 INFO L290 TraceCheckUtils]: 51: Hoare triple {28956#(and (<= 268435351 main_~x~0) (<= main_~x~0 268435351))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28957#(and (<= 268435349 main_~x~0) (<= main_~x~0 268435349))} is VALID [2022-04-08 09:29:52,802 INFO L290 TraceCheckUtils]: 52: Hoare triple {28957#(and (<= 268435349 main_~x~0) (<= main_~x~0 268435349))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28958#(and (<= 268435347 main_~x~0) (<= main_~x~0 268435347))} is VALID [2022-04-08 09:29:52,803 INFO L290 TraceCheckUtils]: 53: Hoare triple {28958#(and (<= 268435347 main_~x~0) (<= main_~x~0 268435347))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28959#(and (<= main_~x~0 268435345) (<= 268435345 main_~x~0))} is VALID [2022-04-08 09:29:52,803 INFO L290 TraceCheckUtils]: 54: Hoare triple {28959#(and (<= main_~x~0 268435345) (<= 268435345 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28960#(and (<= main_~x~0 268435343) (<= 268435343 main_~x~0))} is VALID [2022-04-08 09:29:52,804 INFO L290 TraceCheckUtils]: 55: Hoare triple {28960#(and (<= main_~x~0 268435343) (<= 268435343 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28961#(and (<= 268435341 main_~x~0) (<= main_~x~0 268435341))} is VALID [2022-04-08 09:29:52,805 INFO L290 TraceCheckUtils]: 56: Hoare triple {28961#(and (<= 268435341 main_~x~0) (<= main_~x~0 268435341))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28962#(and (<= 268435339 main_~x~0) (<= (div main_~x~0 4294967296) 0))} is VALID [2022-04-08 09:29:52,805 INFO L290 TraceCheckUtils]: 57: Hoare triple {28962#(and (<= 268435339 main_~x~0) (<= (div main_~x~0 4294967296) 0))} assume !(~x~0 % 4294967296 > 1); {28907#false} is VALID [2022-04-08 09:29:52,805 INFO L272 TraceCheckUtils]: 58: Hoare triple {28907#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)); {28907#false} is VALID [2022-04-08 09:29:52,805 INFO L290 TraceCheckUtils]: 59: Hoare triple {28907#false} ~cond := #in~cond; {28907#false} is VALID [2022-04-08 09:29:52,805 INFO L290 TraceCheckUtils]: 60: Hoare triple {28907#false} assume 0 == ~cond; {28907#false} is VALID [2022-04-08 09:29:52,805 INFO L290 TraceCheckUtils]: 61: Hoare triple {28907#false} assume !false; {28907#false} is VALID [2022-04-08 09:29:52,806 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:29:52,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 09:29:52,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425480808] [2022-04-08 09:29:52,806 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425480808] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-08 09:29:52,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1898409959] [2022-04-08 09:29:52,806 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-04-08 09:29:52,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 09:29:52,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 09:29:52,807 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) [2022-04-08 09:29:52,808 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Waiting until timeout for monitored process [2022-04-08 09:30:02,764 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 27 check-sat command(s) [2022-04-08 09:30:02,765 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 09:30:02,773 WARN L261 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 108 conjunts are in the unsatisfiable core [2022-04-08 09:30:02,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:30:02,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 09:30:03,348 INFO L272 TraceCheckUtils]: 0: Hoare triple {28906#true} call ULTIMATE.init(); {28906#true} is VALID [2022-04-08 09:30:03,348 INFO L290 TraceCheckUtils]: 1: Hoare triple {28906#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(13, 2);call #Ultimate.allocInit(12, 3); {28906#true} is VALID [2022-04-08 09:30:03,348 INFO L290 TraceCheckUtils]: 2: Hoare triple {28906#true} assume true; {28906#true} is VALID [2022-04-08 09:30:03,348 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {28906#true} {28906#true} #34#return; {28906#true} is VALID [2022-04-08 09:30:03,348 INFO L272 TraceCheckUtils]: 4: Hoare triple {28906#true} call #t~ret4 := main(); {28906#true} is VALID [2022-04-08 09:30:03,349 INFO L290 TraceCheckUtils]: 5: Hoare triple {28906#true} ~x~0 := 268435441; {28911#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:30:03,349 INFO L290 TraceCheckUtils]: 6: Hoare triple {28911#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28912#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:30:03,350 INFO L290 TraceCheckUtils]: 7: Hoare triple {28912#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28913#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:30:03,350 INFO L290 TraceCheckUtils]: 8: Hoare triple {28913#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28914#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:30:03,351 INFO L290 TraceCheckUtils]: 9: Hoare triple {28914#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28915#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:30:03,351 INFO L290 TraceCheckUtils]: 10: Hoare triple {28915#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28916#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:30:03,352 INFO L290 TraceCheckUtils]: 11: Hoare triple {28916#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28917#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:30:03,352 INFO L290 TraceCheckUtils]: 12: Hoare triple {28917#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28918#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:30:03,353 INFO L290 TraceCheckUtils]: 13: Hoare triple {28918#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28919#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:30:03,353 INFO L290 TraceCheckUtils]: 14: Hoare triple {28919#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28920#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:30:03,354 INFO L290 TraceCheckUtils]: 15: Hoare triple {28920#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28921#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:30:03,354 INFO L290 TraceCheckUtils]: 16: Hoare triple {28921#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28922#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:30:03,355 INFO L290 TraceCheckUtils]: 17: Hoare triple {28922#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28923#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:30:03,356 INFO L290 TraceCheckUtils]: 18: Hoare triple {28923#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28924#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:30:03,356 INFO L290 TraceCheckUtils]: 19: Hoare triple {28924#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28925#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} is VALID [2022-04-08 09:30:03,357 INFO L290 TraceCheckUtils]: 20: Hoare triple {28925#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28926#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} is VALID [2022-04-08 09:30:03,357 INFO L290 TraceCheckUtils]: 21: Hoare triple {28926#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28927#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} is VALID [2022-04-08 09:30:03,358 INFO L290 TraceCheckUtils]: 22: Hoare triple {28927#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28928#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} is VALID [2022-04-08 09:30:03,358 INFO L290 TraceCheckUtils]: 23: Hoare triple {28928#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28929#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} is VALID [2022-04-08 09:30:03,359 INFO L290 TraceCheckUtils]: 24: Hoare triple {28929#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28930#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} is VALID [2022-04-08 09:30:03,359 INFO L290 TraceCheckUtils]: 25: Hoare triple {28930#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28931#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} is VALID [2022-04-08 09:30:03,360 INFO L290 TraceCheckUtils]: 26: Hoare triple {28931#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28932#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} is VALID [2022-04-08 09:30:03,360 INFO L290 TraceCheckUtils]: 27: Hoare triple {28932#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28933#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} is VALID [2022-04-08 09:30:03,361 INFO L290 TraceCheckUtils]: 28: Hoare triple {28933#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28934#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} is VALID [2022-04-08 09:30:03,361 INFO L290 TraceCheckUtils]: 29: Hoare triple {28934#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28935#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} is VALID [2022-04-08 09:30:03,362 INFO L290 TraceCheckUtils]: 30: Hoare triple {28935#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28936#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} is VALID [2022-04-08 09:30:03,362 INFO L290 TraceCheckUtils]: 31: Hoare triple {28936#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28937#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} is VALID [2022-04-08 09:30:03,363 INFO L290 TraceCheckUtils]: 32: Hoare triple {28937#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28938#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} is VALID [2022-04-08 09:30:03,363 INFO L290 TraceCheckUtils]: 33: Hoare triple {28938#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28939#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} is VALID [2022-04-08 09:30:03,364 INFO L290 TraceCheckUtils]: 34: Hoare triple {28939#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28940#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} is VALID [2022-04-08 09:30:03,364 INFO L290 TraceCheckUtils]: 35: Hoare triple {28940#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28941#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} is VALID [2022-04-08 09:30:03,365 INFO L290 TraceCheckUtils]: 36: Hoare triple {28941#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28942#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} is VALID [2022-04-08 09:30:03,365 INFO L290 TraceCheckUtils]: 37: Hoare triple {28942#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28943#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} is VALID [2022-04-08 09:30:03,366 INFO L290 TraceCheckUtils]: 38: Hoare triple {28943#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28944#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} is VALID [2022-04-08 09:30:03,366 INFO L290 TraceCheckUtils]: 39: Hoare triple {28944#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28945#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} is VALID [2022-04-08 09:30:03,367 INFO L290 TraceCheckUtils]: 40: Hoare triple {28945#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28946#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} is VALID [2022-04-08 09:30:03,367 INFO L290 TraceCheckUtils]: 41: Hoare triple {28946#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28947#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} is VALID [2022-04-08 09:30:03,368 INFO L290 TraceCheckUtils]: 42: Hoare triple {28947#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28948#(and (<= main_~x~0 268435367) (<= 268435367 main_~x~0))} is VALID [2022-04-08 09:30:03,368 INFO L290 TraceCheckUtils]: 43: Hoare triple {28948#(and (<= main_~x~0 268435367) (<= 268435367 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28949#(and (<= 268435365 main_~x~0) (<= main_~x~0 268435365))} is VALID [2022-04-08 09:30:03,369 INFO L290 TraceCheckUtils]: 44: Hoare triple {28949#(and (<= 268435365 main_~x~0) (<= main_~x~0 268435365))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28950#(and (<= 268435363 main_~x~0) (<= main_~x~0 268435363))} is VALID [2022-04-08 09:30:03,369 INFO L290 TraceCheckUtils]: 45: Hoare triple {28950#(and (<= 268435363 main_~x~0) (<= main_~x~0 268435363))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28951#(and (<= main_~x~0 268435361) (<= 268435361 main_~x~0))} is VALID [2022-04-08 09:30:03,370 INFO L290 TraceCheckUtils]: 46: Hoare triple {28951#(and (<= main_~x~0 268435361) (<= 268435361 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28952#(and (<= main_~x~0 268435359) (<= 268435359 main_~x~0))} is VALID [2022-04-08 09:30:03,370 INFO L290 TraceCheckUtils]: 47: Hoare triple {28952#(and (<= main_~x~0 268435359) (<= 268435359 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28953#(and (<= main_~x~0 268435357) (<= 268435357 main_~x~0))} is VALID [2022-04-08 09:30:03,371 INFO L290 TraceCheckUtils]: 48: Hoare triple {28953#(and (<= main_~x~0 268435357) (<= 268435357 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28954#(and (<= main_~x~0 268435355) (<= 268435355 main_~x~0))} is VALID [2022-04-08 09:30:03,371 INFO L290 TraceCheckUtils]: 49: Hoare triple {28954#(and (<= main_~x~0 268435355) (<= 268435355 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28955#(and (<= main_~x~0 268435353) (<= 268435353 main_~x~0))} is VALID [2022-04-08 09:30:03,372 INFO L290 TraceCheckUtils]: 50: Hoare triple {28955#(and (<= main_~x~0 268435353) (<= 268435353 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28956#(and (<= 268435351 main_~x~0) (<= main_~x~0 268435351))} is VALID [2022-04-08 09:30:03,372 INFO L290 TraceCheckUtils]: 51: Hoare triple {28956#(and (<= 268435351 main_~x~0) (<= main_~x~0 268435351))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28957#(and (<= 268435349 main_~x~0) (<= main_~x~0 268435349))} is VALID [2022-04-08 09:30:03,373 INFO L290 TraceCheckUtils]: 52: Hoare triple {28957#(and (<= 268435349 main_~x~0) (<= main_~x~0 268435349))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28958#(and (<= 268435347 main_~x~0) (<= main_~x~0 268435347))} is VALID [2022-04-08 09:30:03,373 INFO L290 TraceCheckUtils]: 53: Hoare triple {28958#(and (<= 268435347 main_~x~0) (<= main_~x~0 268435347))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28959#(and (<= main_~x~0 268435345) (<= 268435345 main_~x~0))} is VALID [2022-04-08 09:30:03,374 INFO L290 TraceCheckUtils]: 54: Hoare triple {28959#(and (<= main_~x~0 268435345) (<= 268435345 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28960#(and (<= main_~x~0 268435343) (<= 268435343 main_~x~0))} is VALID [2022-04-08 09:30:03,374 INFO L290 TraceCheckUtils]: 55: Hoare triple {28960#(and (<= main_~x~0 268435343) (<= 268435343 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {28961#(and (<= 268435341 main_~x~0) (<= main_~x~0 268435341))} is VALID [2022-04-08 09:30:03,375 INFO L290 TraceCheckUtils]: 56: Hoare triple {28961#(and (<= 268435341 main_~x~0) (<= main_~x~0 268435341))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29135#(and (<= 268435339 main_~x~0) (<= main_~x~0 268435339))} is VALID [2022-04-08 09:30:03,375 INFO L290 TraceCheckUtils]: 57: Hoare triple {29135#(and (<= 268435339 main_~x~0) (<= main_~x~0 268435339))} assume !(~x~0 % 4294967296 > 1); {28907#false} is VALID [2022-04-08 09:30:03,376 INFO L272 TraceCheckUtils]: 58: Hoare triple {28907#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)); {28907#false} is VALID [2022-04-08 09:30:03,376 INFO L290 TraceCheckUtils]: 59: Hoare triple {28907#false} ~cond := #in~cond; {28907#false} is VALID [2022-04-08 09:30:03,376 INFO L290 TraceCheckUtils]: 60: Hoare triple {28907#false} assume 0 == ~cond; {28907#false} is VALID [2022-04-08 09:30:03,376 INFO L290 TraceCheckUtils]: 61: Hoare triple {28907#false} assume !false; {28907#false} is VALID [2022-04-08 09:30:03,376 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:30:03,376 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 09:30:08,965 INFO L290 TraceCheckUtils]: 61: Hoare triple {28907#false} assume !false; {28907#false} is VALID [2022-04-08 09:30:08,965 INFO L290 TraceCheckUtils]: 60: Hoare triple {29154#(not (<= __VERIFIER_assert_~cond 0))} assume 0 == ~cond; {28907#false} is VALID [2022-04-08 09:30:08,966 INFO L290 TraceCheckUtils]: 59: Hoare triple {29158#(< 0 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {29154#(not (<= __VERIFIER_assert_~cond 0))} is VALID [2022-04-08 09:30:08,966 INFO L272 TraceCheckUtils]: 58: Hoare triple {29162#(= (mod main_~x~0 2) 0)} 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)); {29158#(< 0 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-08 09:30:08,967 INFO L290 TraceCheckUtils]: 57: Hoare triple {29166#(or (< 1 (mod main_~x~0 4294967296)) (= (mod main_~x~0 2) 0))} assume !(~x~0 % 4294967296 > 1); {29162#(= (mod main_~x~0 2) 0)} is VALID [2022-04-08 09:30:08,968 INFO L290 TraceCheckUtils]: 56: Hoare triple {29170#(or (< 1 (mod (+ main_~x~0 4294967294) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29166#(or (< 1 (mod main_~x~0 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:08,969 INFO L290 TraceCheckUtils]: 55: Hoare triple {29174#(or (< 1 (mod (+ 4294967292 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29170#(or (< 1 (mod (+ main_~x~0 4294967294) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:08,969 INFO L290 TraceCheckUtils]: 54: Hoare triple {29178#(or (< 1 (mod (+ 4294967290 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29174#(or (< 1 (mod (+ 4294967292 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:08,971 INFO L290 TraceCheckUtils]: 53: Hoare triple {29182#(or (< 1 (mod (+ 4294967288 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29178#(or (< 1 (mod (+ 4294967290 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:08,972 INFO L290 TraceCheckUtils]: 52: Hoare triple {29186#(or (< 1 (mod (+ main_~x~0 4294967286) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29182#(or (< 1 (mod (+ 4294967288 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:08,973 INFO L290 TraceCheckUtils]: 51: Hoare triple {29190#(or (< 1 (mod (+ main_~x~0 4294967284) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29186#(or (< 1 (mod (+ main_~x~0 4294967286) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:08,974 INFO L290 TraceCheckUtils]: 50: Hoare triple {29194#(or (< 1 (mod (+ 4294967282 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29190#(or (< 1 (mod (+ main_~x~0 4294967284) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:08,975 INFO L290 TraceCheckUtils]: 49: Hoare triple {29198#(or (< 1 (mod (+ main_~x~0 4294967280) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29194#(or (< 1 (mod (+ 4294967282 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:08,976 INFO L290 TraceCheckUtils]: 48: Hoare triple {29202#(or (< 1 (mod (+ main_~x~0 4294967278) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29198#(or (< 1 (mod (+ main_~x~0 4294967280) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:08,977 INFO L290 TraceCheckUtils]: 47: Hoare triple {29206#(or (< 1 (mod (+ 4294967276 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29202#(or (< 1 (mod (+ main_~x~0 4294967278) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:08,978 INFO L290 TraceCheckUtils]: 46: Hoare triple {29210#(or (< 1 (mod (+ 4294967274 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29206#(or (< 1 (mod (+ 4294967276 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:08,979 INFO L290 TraceCheckUtils]: 45: Hoare triple {29214#(or (< 1 (mod (+ 4294967272 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29210#(or (< 1 (mod (+ 4294967274 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:08,979 INFO L290 TraceCheckUtils]: 44: Hoare triple {29218#(or (< 1 (mod (+ main_~x~0 4294967270) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29214#(or (< 1 (mod (+ 4294967272 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:08,980 INFO L290 TraceCheckUtils]: 43: Hoare triple {29222#(or (< 1 (mod (+ main_~x~0 4294967268) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29218#(or (< 1 (mod (+ main_~x~0 4294967270) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:08,981 INFO L290 TraceCheckUtils]: 42: Hoare triple {29226#(or (< 1 (mod (+ main_~x~0 4294967266) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29222#(or (< 1 (mod (+ main_~x~0 4294967268) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:08,982 INFO L290 TraceCheckUtils]: 41: Hoare triple {29230#(or (< 1 (mod (+ main_~x~0 4294967264) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29226#(or (< 1 (mod (+ main_~x~0 4294967266) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:08,983 INFO L290 TraceCheckUtils]: 40: Hoare triple {29234#(or (< 1 (mod (+ main_~x~0 4294967262) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29230#(or (< 1 (mod (+ main_~x~0 4294967264) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:08,984 INFO L290 TraceCheckUtils]: 39: Hoare triple {29238#(or (< 1 (mod (+ 4294967260 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29234#(or (< 1 (mod (+ main_~x~0 4294967262) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:08,985 INFO L290 TraceCheckUtils]: 38: Hoare triple {29242#(or (< 1 (mod (+ main_~x~0 4294967258) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29238#(or (< 1 (mod (+ 4294967260 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:08,986 INFO L290 TraceCheckUtils]: 37: Hoare triple {29246#(or (< 1 (mod (+ main_~x~0 4294967256) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29242#(or (< 1 (mod (+ main_~x~0 4294967258) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:08,986 INFO L290 TraceCheckUtils]: 36: Hoare triple {29250#(or (< 1 (mod (+ 4294967254 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29246#(or (< 1 (mod (+ main_~x~0 4294967256) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:08,988 INFO L290 TraceCheckUtils]: 35: Hoare triple {29254#(or (< 1 (mod (+ main_~x~0 4294967252) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29250#(or (< 1 (mod (+ 4294967254 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:08,989 INFO L290 TraceCheckUtils]: 34: Hoare triple {29258#(or (< 1 (mod (+ 4294967250 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29254#(or (< 1 (mod (+ main_~x~0 4294967252) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:08,990 INFO L290 TraceCheckUtils]: 33: Hoare triple {29262#(or (< 1 (mod (+ main_~x~0 4294967248) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29258#(or (< 1 (mod (+ 4294967250 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:08,991 INFO L290 TraceCheckUtils]: 32: Hoare triple {29266#(or (< 1 (mod (+ 4294967246 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29262#(or (< 1 (mod (+ main_~x~0 4294967248) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:08,992 INFO L290 TraceCheckUtils]: 31: Hoare triple {29270#(or (< 1 (mod (+ main_~x~0 4294967244) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29266#(or (< 1 (mod (+ 4294967246 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:08,993 INFO L290 TraceCheckUtils]: 30: Hoare triple {29274#(or (< 1 (mod (+ main_~x~0 4294967242) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29270#(or (< 1 (mod (+ main_~x~0 4294967244) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:08,996 INFO L290 TraceCheckUtils]: 29: Hoare triple {29278#(or (< 1 (mod (+ 4294967240 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29274#(or (< 1 (mod (+ main_~x~0 4294967242) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:08,996 INFO L290 TraceCheckUtils]: 28: Hoare triple {29282#(or (< 1 (mod (+ 4294967238 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29278#(or (< 1 (mod (+ 4294967240 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:08,998 INFO L290 TraceCheckUtils]: 27: Hoare triple {29286#(or (< 1 (mod (+ main_~x~0 4294967236) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29282#(or (< 1 (mod (+ 4294967238 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:09,000 INFO L290 TraceCheckUtils]: 26: Hoare triple {29290#(or (< 1 (mod (+ main_~x~0 4294967234) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29286#(or (< 1 (mod (+ main_~x~0 4294967236) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:09,003 INFO L290 TraceCheckUtils]: 25: Hoare triple {29294#(or (< 1 (mod (+ main_~x~0 4294967232) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29290#(or (< 1 (mod (+ main_~x~0 4294967234) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:09,004 INFO L290 TraceCheckUtils]: 24: Hoare triple {29298#(or (< 1 (mod (+ 4294967230 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29294#(or (< 1 (mod (+ main_~x~0 4294967232) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:09,005 INFO L290 TraceCheckUtils]: 23: Hoare triple {29302#(or (< 1 (mod (+ main_~x~0 4294967228) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29298#(or (< 1 (mod (+ 4294967230 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:09,006 INFO L290 TraceCheckUtils]: 22: Hoare triple {29306#(or (< 1 (mod (+ main_~x~0 4294967226) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29302#(or (< 1 (mod (+ main_~x~0 4294967228) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:09,008 INFO L290 TraceCheckUtils]: 21: Hoare triple {29310#(or (< 1 (mod (+ 4294967224 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29306#(or (< 1 (mod (+ main_~x~0 4294967226) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:09,011 INFO L290 TraceCheckUtils]: 20: Hoare triple {29314#(or (< 1 (mod (+ main_~x~0 4294967222) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29310#(or (< 1 (mod (+ 4294967224 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:09,012 INFO L290 TraceCheckUtils]: 19: Hoare triple {29318#(or (< 1 (mod (+ main_~x~0 4294967220) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29314#(or (< 1 (mod (+ main_~x~0 4294967222) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:09,013 INFO L290 TraceCheckUtils]: 18: Hoare triple {29322#(or (< 1 (mod (+ 4294967218 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29318#(or (< 1 (mod (+ main_~x~0 4294967220) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:09,014 INFO L290 TraceCheckUtils]: 17: Hoare triple {29326#(or (< 1 (mod (+ 4294967216 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29322#(or (< 1 (mod (+ 4294967218 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:09,015 INFO L290 TraceCheckUtils]: 16: Hoare triple {29330#(or (< 1 (mod (+ main_~x~0 4294967214) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29326#(or (< 1 (mod (+ 4294967216 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:09,016 INFO L290 TraceCheckUtils]: 15: Hoare triple {29334#(or (< 1 (mod (+ 4294967212 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29330#(or (< 1 (mod (+ main_~x~0 4294967214) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:09,017 INFO L290 TraceCheckUtils]: 14: Hoare triple {29338#(or (< 1 (mod (+ 4294967210 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29334#(or (< 1 (mod (+ 4294967212 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:09,018 INFO L290 TraceCheckUtils]: 13: Hoare triple {29342#(or (< 1 (mod (+ main_~x~0 4294967208) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29338#(or (< 1 (mod (+ 4294967210 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:09,019 INFO L290 TraceCheckUtils]: 12: Hoare triple {29346#(or (< 1 (mod (+ 4294967206 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29342#(or (< 1 (mod (+ main_~x~0 4294967208) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:09,019 INFO L290 TraceCheckUtils]: 11: Hoare triple {29350#(or (< 1 (mod (+ main_~x~0 4294967204) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29346#(or (< 1 (mod (+ 4294967206 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:09,022 INFO L290 TraceCheckUtils]: 10: Hoare triple {29354#(or (< 1 (mod (+ 4294967202 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29350#(or (< 1 (mod (+ main_~x~0 4294967204) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:09,023 INFO L290 TraceCheckUtils]: 9: Hoare triple {29358#(or (< 1 (mod (+ 4294967200 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29354#(or (< 1 (mod (+ 4294967202 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:09,024 INFO L290 TraceCheckUtils]: 8: Hoare triple {29362#(or (< 1 (mod (+ 4294967198 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29358#(or (< 1 (mod (+ 4294967200 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:09,025 INFO L290 TraceCheckUtils]: 7: Hoare triple {29366#(or (< 1 (mod (+ 4294967196 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29362#(or (< 1 (mod (+ 4294967198 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:09,026 INFO L290 TraceCheckUtils]: 6: Hoare triple {29370#(or (< 1 (mod (+ 4294967194 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29366#(or (< 1 (mod (+ 4294967196 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:09,027 INFO L290 TraceCheckUtils]: 5: Hoare triple {28906#true} ~x~0 := 268435441; {29370#(or (< 1 (mod (+ 4294967194 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:09,027 INFO L272 TraceCheckUtils]: 4: Hoare triple {28906#true} call #t~ret4 := main(); {28906#true} is VALID [2022-04-08 09:30:09,027 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {28906#true} {28906#true} #34#return; {28906#true} is VALID [2022-04-08 09:30:09,027 INFO L290 TraceCheckUtils]: 2: Hoare triple {28906#true} assume true; {28906#true} is VALID [2022-04-08 09:30:09,027 INFO L290 TraceCheckUtils]: 1: Hoare triple {28906#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(13, 2);call #Ultimate.allocInit(12, 3); {28906#true} is VALID [2022-04-08 09:30:09,027 INFO L272 TraceCheckUtils]: 0: Hoare triple {28906#true} call ULTIMATE.init(); {28906#true} is VALID [2022-04-08 09:30:09,028 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:30:09,028 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1898409959] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-08 09:30:09,028 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-08 09:30:09,028 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 54, 57] total 111 [2022-04-08 09:30:09,028 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 09:30:09,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [816636239] [2022-04-08 09:30:09,029 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [816636239] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 09:30:09,029 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 09:30:09,029 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [55] imperfect sequences [] total 55 [2022-04-08 09:30:09,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257503415] [2022-04-08 09:30:09,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 09:30:09,029 INFO L78 Accepts]: Start accepts. Automaton has has 55 states, 55 states have (on average 1.0545454545454545) internal successors, (58), 54 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 [2022-04-08 09:30:09,029 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 09:30:09,030 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 55 states, 55 states have (on average 1.0545454545454545) internal successors, (58), 54 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) [2022-04-08 09:30:09,070 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 62 edges. 62 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:30:09,070 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2022-04-08 09:30:09,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 09:30:09,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2022-04-08 09:30:09,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3079, Invalid=9131, Unknown=0, NotChecked=0, Total=12210 [2022-04-08 09:30:09,071 INFO L87 Difference]: Start difference. First operand 63 states and 63 transitions. Second operand has 55 states, 55 states have (on average 1.0545454545454545) internal successors, (58), 54 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) [2022-04-08 09:30:14,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:30:14,469 INFO L93 Difference]: Finished difference Result 69 states and 69 transitions. [2022-04-08 09:30:14,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-04-08 09:30:14,470 INFO L78 Accepts]: Start accepts. Automaton has has 55 states, 55 states have (on average 1.0545454545454545) internal successors, (58), 54 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 [2022-04-08 09:30:14,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 09:30:14,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 55 states have (on average 1.0545454545454545) internal successors, (58), 54 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) [2022-04-08 09:30:14,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 69 transitions. [2022-04-08 09:30:14,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 55 states have (on average 1.0545454545454545) internal successors, (58), 54 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) [2022-04-08 09:30:14,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 69 transitions. [2022-04-08 09:30:14,472 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 55 states and 69 transitions. [2022-04-08 09:30:14,518 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 69 edges. 69 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:30:14,519 INFO L225 Difference]: With dead ends: 69 [2022-04-08 09:30:14,519 INFO L226 Difference]: Without dead ends: 64 [2022-04-08 09:30:14,521 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 70 SyntacticMatches, 1 SemanticMatches, 161 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1439 ImplicationChecksByTransitivity, 7.7s TimeCoverageRelationStatistics Valid=6093, Invalid=20313, Unknown=0, NotChecked=0, Total=26406 [2022-04-08 09:30:14,521 INFO L913 BasicCegarLoop]: 11 mSDtfsCounter, 6 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 2689 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 2794 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 2689 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-04-08 09:30:14,521 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 48 Invalid, 2794 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 2689 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-04-08 09:30:14,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2022-04-08 09:30:14,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2022-04-08 09:30:14,593 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 09:30:14,593 INFO L82 GeneralOperation]: Start isEquivalent. First operand 64 states. Second operand has 64 states, 59 states have (on average 1.0169491525423728) internal successors, (60), 59 states have internal predecessors, (60), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:30:14,593 INFO L74 IsIncluded]: Start isIncluded. First operand 64 states. Second operand has 64 states, 59 states have (on average 1.0169491525423728) internal successors, (60), 59 states have internal predecessors, (60), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:30:14,593 INFO L87 Difference]: Start difference. First operand 64 states. Second operand has 64 states, 59 states have (on average 1.0169491525423728) internal successors, (60), 59 states have internal predecessors, (60), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:30:14,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:30:14,594 INFO L93 Difference]: Finished difference Result 64 states and 64 transitions. [2022-04-08 09:30:14,594 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 64 transitions. [2022-04-08 09:30:14,594 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:30:14,594 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:30:14,594 INFO L74 IsIncluded]: Start isIncluded. First operand has 64 states, 59 states have (on average 1.0169491525423728) internal successors, (60), 59 states have internal predecessors, (60), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 64 states. [2022-04-08 09:30:14,594 INFO L87 Difference]: Start difference. First operand has 64 states, 59 states have (on average 1.0169491525423728) internal successors, (60), 59 states have internal predecessors, (60), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 64 states. [2022-04-08 09:30:14,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:30:14,595 INFO L93 Difference]: Finished difference Result 64 states and 64 transitions. [2022-04-08 09:30:14,595 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 64 transitions. [2022-04-08 09:30:14,595 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:30:14,595 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:30:14,595 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 09:30:14,596 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 09:30:14,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 59 states have (on average 1.0169491525423728) internal successors, (60), 59 states have internal predecessors, (60), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:30:14,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 64 transitions. [2022-04-08 09:30:14,597 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 64 transitions. Word has length 62 [2022-04-08 09:30:14,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 09:30:14,597 INFO L478 AbstractCegarLoop]: Abstraction has 64 states and 64 transitions. [2022-04-08 09:30:14,597 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 55 states have (on average 1.0545454545454545) internal successors, (58), 54 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) [2022-04-08 09:30:14,597 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 64 states and 64 transitions. [2022-04-08 09:30:14,664 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 64 edges. 64 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:30:14,664 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 64 transitions. [2022-04-08 09:30:14,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-04-08 09:30:14,664 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 09:30:14,665 INFO L499 BasicCegarLoop]: trace histogram [52, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 09:30:14,673 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Forceful destruction successful, exit code 0 [2022-04-08 09:30:14,865 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,52 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 09:30:14,865 INFO L403 AbstractCegarLoop]: === Iteration 54 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 09:30:14,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 09:30:14,865 INFO L85 PathProgramCache]: Analyzing trace with hash 559394908, now seen corresponding path program 103 times [2022-04-08 09:30:14,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 09:30:14,866 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1029938316] [2022-04-08 09:30:14,868 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-08 09:30:14,868 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-08 09:30:14,868 INFO L85 PathProgramCache]: Analyzing trace with hash 559394908, now seen corresponding path program 104 times [2022-04-08 09:30:14,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 09:30:14,868 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824250164] [2022-04-08 09:30:14,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 09:30:14,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 09:30:14,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:30:16,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-08 09:30:16,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:30:16,376 INFO L290 TraceCheckUtils]: 0: Hoare triple {29947#(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(13, 2);call #Ultimate.allocInit(12, 3); {29889#true} is VALID [2022-04-08 09:30:16,376 INFO L290 TraceCheckUtils]: 1: Hoare triple {29889#true} assume true; {29889#true} is VALID [2022-04-08 09:30:16,376 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {29889#true} {29889#true} #34#return; {29889#true} is VALID [2022-04-08 09:30:16,376 INFO L272 TraceCheckUtils]: 0: Hoare triple {29889#true} call ULTIMATE.init(); {29947#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-08 09:30:16,377 INFO L290 TraceCheckUtils]: 1: Hoare triple {29947#(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(13, 2);call #Ultimate.allocInit(12, 3); {29889#true} is VALID [2022-04-08 09:30:16,377 INFO L290 TraceCheckUtils]: 2: Hoare triple {29889#true} assume true; {29889#true} is VALID [2022-04-08 09:30:16,377 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {29889#true} {29889#true} #34#return; {29889#true} is VALID [2022-04-08 09:30:16,377 INFO L272 TraceCheckUtils]: 4: Hoare triple {29889#true} call #t~ret4 := main(); {29889#true} is VALID [2022-04-08 09:30:16,377 INFO L290 TraceCheckUtils]: 5: Hoare triple {29889#true} ~x~0 := 268435441; {29894#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:30:16,378 INFO L290 TraceCheckUtils]: 6: Hoare triple {29894#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29895#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:30:16,378 INFO L290 TraceCheckUtils]: 7: Hoare triple {29895#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29896#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:30:16,379 INFO L290 TraceCheckUtils]: 8: Hoare triple {29896#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29897#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:30:16,379 INFO L290 TraceCheckUtils]: 9: Hoare triple {29897#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29898#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:30:16,380 INFO L290 TraceCheckUtils]: 10: Hoare triple {29898#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29899#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:30:16,380 INFO L290 TraceCheckUtils]: 11: Hoare triple {29899#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29900#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:30:16,381 INFO L290 TraceCheckUtils]: 12: Hoare triple {29900#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29901#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:30:16,381 INFO L290 TraceCheckUtils]: 13: Hoare triple {29901#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29902#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:30:16,382 INFO L290 TraceCheckUtils]: 14: Hoare triple {29902#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29903#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:30:16,382 INFO L290 TraceCheckUtils]: 15: Hoare triple {29903#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29904#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:30:16,383 INFO L290 TraceCheckUtils]: 16: Hoare triple {29904#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29905#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:30:16,383 INFO L290 TraceCheckUtils]: 17: Hoare triple {29905#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29906#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:30:16,384 INFO L290 TraceCheckUtils]: 18: Hoare triple {29906#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29907#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:30:16,384 INFO L290 TraceCheckUtils]: 19: Hoare triple {29907#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29908#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} is VALID [2022-04-08 09:30:16,385 INFO L290 TraceCheckUtils]: 20: Hoare triple {29908#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29909#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} is VALID [2022-04-08 09:30:16,386 INFO L290 TraceCheckUtils]: 21: Hoare triple {29909#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29910#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} is VALID [2022-04-08 09:30:16,386 INFO L290 TraceCheckUtils]: 22: Hoare triple {29910#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29911#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} is VALID [2022-04-08 09:30:16,387 INFO L290 TraceCheckUtils]: 23: Hoare triple {29911#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29912#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} is VALID [2022-04-08 09:30:16,387 INFO L290 TraceCheckUtils]: 24: Hoare triple {29912#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29913#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} is VALID [2022-04-08 09:30:16,388 INFO L290 TraceCheckUtils]: 25: Hoare triple {29913#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29914#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} is VALID [2022-04-08 09:30:16,388 INFO L290 TraceCheckUtils]: 26: Hoare triple {29914#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29915#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} is VALID [2022-04-08 09:30:16,389 INFO L290 TraceCheckUtils]: 27: Hoare triple {29915#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29916#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} is VALID [2022-04-08 09:30:16,389 INFO L290 TraceCheckUtils]: 28: Hoare triple {29916#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29917#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} is VALID [2022-04-08 09:30:16,390 INFO L290 TraceCheckUtils]: 29: Hoare triple {29917#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29918#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} is VALID [2022-04-08 09:30:16,390 INFO L290 TraceCheckUtils]: 30: Hoare triple {29918#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29919#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} is VALID [2022-04-08 09:30:16,391 INFO L290 TraceCheckUtils]: 31: Hoare triple {29919#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29920#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} is VALID [2022-04-08 09:30:16,391 INFO L290 TraceCheckUtils]: 32: Hoare triple {29920#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29921#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} is VALID [2022-04-08 09:30:16,392 INFO L290 TraceCheckUtils]: 33: Hoare triple {29921#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29922#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} is VALID [2022-04-08 09:30:16,392 INFO L290 TraceCheckUtils]: 34: Hoare triple {29922#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29923#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} is VALID [2022-04-08 09:30:16,393 INFO L290 TraceCheckUtils]: 35: Hoare triple {29923#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29924#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} is VALID [2022-04-08 09:30:16,393 INFO L290 TraceCheckUtils]: 36: Hoare triple {29924#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29925#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} is VALID [2022-04-08 09:30:16,394 INFO L290 TraceCheckUtils]: 37: Hoare triple {29925#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29926#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} is VALID [2022-04-08 09:30:16,394 INFO L290 TraceCheckUtils]: 38: Hoare triple {29926#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29927#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} is VALID [2022-04-08 09:30:16,395 INFO L290 TraceCheckUtils]: 39: Hoare triple {29927#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29928#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} is VALID [2022-04-08 09:30:16,395 INFO L290 TraceCheckUtils]: 40: Hoare triple {29928#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29929#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} is VALID [2022-04-08 09:30:16,396 INFO L290 TraceCheckUtils]: 41: Hoare triple {29929#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29930#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} is VALID [2022-04-08 09:30:16,396 INFO L290 TraceCheckUtils]: 42: Hoare triple {29930#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29931#(and (<= main_~x~0 268435367) (<= 268435367 main_~x~0))} is VALID [2022-04-08 09:30:16,397 INFO L290 TraceCheckUtils]: 43: Hoare triple {29931#(and (<= main_~x~0 268435367) (<= 268435367 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29932#(and (<= 268435365 main_~x~0) (<= main_~x~0 268435365))} is VALID [2022-04-08 09:30:16,397 INFO L290 TraceCheckUtils]: 44: Hoare triple {29932#(and (<= 268435365 main_~x~0) (<= main_~x~0 268435365))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29933#(and (<= 268435363 main_~x~0) (<= main_~x~0 268435363))} is VALID [2022-04-08 09:30:16,398 INFO L290 TraceCheckUtils]: 45: Hoare triple {29933#(and (<= 268435363 main_~x~0) (<= main_~x~0 268435363))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29934#(and (<= main_~x~0 268435361) (<= 268435361 main_~x~0))} is VALID [2022-04-08 09:30:16,398 INFO L290 TraceCheckUtils]: 46: Hoare triple {29934#(and (<= main_~x~0 268435361) (<= 268435361 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29935#(and (<= main_~x~0 268435359) (<= 268435359 main_~x~0))} is VALID [2022-04-08 09:30:16,399 INFO L290 TraceCheckUtils]: 47: Hoare triple {29935#(and (<= main_~x~0 268435359) (<= 268435359 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29936#(and (<= main_~x~0 268435357) (<= 268435357 main_~x~0))} is VALID [2022-04-08 09:30:16,399 INFO L290 TraceCheckUtils]: 48: Hoare triple {29936#(and (<= main_~x~0 268435357) (<= 268435357 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29937#(and (<= main_~x~0 268435355) (<= 268435355 main_~x~0))} is VALID [2022-04-08 09:30:16,400 INFO L290 TraceCheckUtils]: 49: Hoare triple {29937#(and (<= main_~x~0 268435355) (<= 268435355 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29938#(and (<= main_~x~0 268435353) (<= 268435353 main_~x~0))} is VALID [2022-04-08 09:30:16,400 INFO L290 TraceCheckUtils]: 50: Hoare triple {29938#(and (<= main_~x~0 268435353) (<= 268435353 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29939#(and (<= 268435351 main_~x~0) (<= main_~x~0 268435351))} is VALID [2022-04-08 09:30:16,401 INFO L290 TraceCheckUtils]: 51: Hoare triple {29939#(and (<= 268435351 main_~x~0) (<= main_~x~0 268435351))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29940#(and (<= 268435349 main_~x~0) (<= main_~x~0 268435349))} is VALID [2022-04-08 09:30:16,401 INFO L290 TraceCheckUtils]: 52: Hoare triple {29940#(and (<= 268435349 main_~x~0) (<= main_~x~0 268435349))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29941#(and (<= 268435347 main_~x~0) (<= main_~x~0 268435347))} is VALID [2022-04-08 09:30:16,402 INFO L290 TraceCheckUtils]: 53: Hoare triple {29941#(and (<= 268435347 main_~x~0) (<= main_~x~0 268435347))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29942#(and (<= main_~x~0 268435345) (<= 268435345 main_~x~0))} is VALID [2022-04-08 09:30:16,402 INFO L290 TraceCheckUtils]: 54: Hoare triple {29942#(and (<= main_~x~0 268435345) (<= 268435345 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29943#(and (<= main_~x~0 268435343) (<= 268435343 main_~x~0))} is VALID [2022-04-08 09:30:16,403 INFO L290 TraceCheckUtils]: 55: Hoare triple {29943#(and (<= main_~x~0 268435343) (<= 268435343 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29944#(and (<= 268435341 main_~x~0) (<= main_~x~0 268435341))} is VALID [2022-04-08 09:30:16,403 INFO L290 TraceCheckUtils]: 56: Hoare triple {29944#(and (<= 268435341 main_~x~0) (<= main_~x~0 268435341))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29945#(and (<= 268435339 main_~x~0) (<= main_~x~0 268435339))} is VALID [2022-04-08 09:30:16,404 INFO L290 TraceCheckUtils]: 57: Hoare triple {29945#(and (<= 268435339 main_~x~0) (<= main_~x~0 268435339))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29946#(and (<= (div main_~x~0 4294967296) 0) (<= 268435337 main_~x~0))} is VALID [2022-04-08 09:30:16,404 INFO L290 TraceCheckUtils]: 58: Hoare triple {29946#(and (<= (div main_~x~0 4294967296) 0) (<= 268435337 main_~x~0))} assume !(~x~0 % 4294967296 > 1); {29890#false} is VALID [2022-04-08 09:30:16,405 INFO L272 TraceCheckUtils]: 59: Hoare triple {29890#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)); {29890#false} is VALID [2022-04-08 09:30:16,405 INFO L290 TraceCheckUtils]: 60: Hoare triple {29890#false} ~cond := #in~cond; {29890#false} is VALID [2022-04-08 09:30:16,405 INFO L290 TraceCheckUtils]: 61: Hoare triple {29890#false} assume 0 == ~cond; {29890#false} is VALID [2022-04-08 09:30:16,405 INFO L290 TraceCheckUtils]: 62: Hoare triple {29890#false} assume !false; {29890#false} is VALID [2022-04-08 09:30:16,405 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:30:16,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 09:30:16,405 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824250164] [2022-04-08 09:30:16,406 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824250164] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-08 09:30:16,406 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1052448679] [2022-04-08 09:30:16,406 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-08 09:30:16,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 09:30:16,406 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 09:30:16,408 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) [2022-04-08 09:30:16,408 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Waiting until timeout for monitored process [2022-04-08 09:30:16,464 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-08 09:30:16,464 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 09:30:16,466 WARN L261 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 110 conjunts are in the unsatisfiable core [2022-04-08 09:30:16,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:30:16,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 09:30:17,048 INFO L272 TraceCheckUtils]: 0: Hoare triple {29889#true} call ULTIMATE.init(); {29889#true} is VALID [2022-04-08 09:30:17,048 INFO L290 TraceCheckUtils]: 1: Hoare triple {29889#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(13, 2);call #Ultimate.allocInit(12, 3); {29889#true} is VALID [2022-04-08 09:30:17,048 INFO L290 TraceCheckUtils]: 2: Hoare triple {29889#true} assume true; {29889#true} is VALID [2022-04-08 09:30:17,048 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {29889#true} {29889#true} #34#return; {29889#true} is VALID [2022-04-08 09:30:17,048 INFO L272 TraceCheckUtils]: 4: Hoare triple {29889#true} call #t~ret4 := main(); {29889#true} is VALID [2022-04-08 09:30:17,049 INFO L290 TraceCheckUtils]: 5: Hoare triple {29889#true} ~x~0 := 268435441; {29894#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:30:17,049 INFO L290 TraceCheckUtils]: 6: Hoare triple {29894#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29895#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:30:17,050 INFO L290 TraceCheckUtils]: 7: Hoare triple {29895#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29896#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:30:17,050 INFO L290 TraceCheckUtils]: 8: Hoare triple {29896#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29897#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:30:17,051 INFO L290 TraceCheckUtils]: 9: Hoare triple {29897#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29898#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:30:17,052 INFO L290 TraceCheckUtils]: 10: Hoare triple {29898#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29899#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:30:17,052 INFO L290 TraceCheckUtils]: 11: Hoare triple {29899#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29900#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:30:17,053 INFO L290 TraceCheckUtils]: 12: Hoare triple {29900#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29901#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:30:17,053 INFO L290 TraceCheckUtils]: 13: Hoare triple {29901#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29902#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:30:17,054 INFO L290 TraceCheckUtils]: 14: Hoare triple {29902#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29903#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:30:17,054 INFO L290 TraceCheckUtils]: 15: Hoare triple {29903#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29904#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:30:17,055 INFO L290 TraceCheckUtils]: 16: Hoare triple {29904#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29905#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:30:17,055 INFO L290 TraceCheckUtils]: 17: Hoare triple {29905#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29906#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:30:17,056 INFO L290 TraceCheckUtils]: 18: Hoare triple {29906#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29907#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:30:17,056 INFO L290 TraceCheckUtils]: 19: Hoare triple {29907#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29908#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} is VALID [2022-04-08 09:30:17,057 INFO L290 TraceCheckUtils]: 20: Hoare triple {29908#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29909#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} is VALID [2022-04-08 09:30:17,057 INFO L290 TraceCheckUtils]: 21: Hoare triple {29909#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29910#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} is VALID [2022-04-08 09:30:17,058 INFO L290 TraceCheckUtils]: 22: Hoare triple {29910#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29911#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} is VALID [2022-04-08 09:30:17,058 INFO L290 TraceCheckUtils]: 23: Hoare triple {29911#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29912#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} is VALID [2022-04-08 09:30:17,059 INFO L290 TraceCheckUtils]: 24: Hoare triple {29912#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29913#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} is VALID [2022-04-08 09:30:17,059 INFO L290 TraceCheckUtils]: 25: Hoare triple {29913#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29914#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} is VALID [2022-04-08 09:30:17,060 INFO L290 TraceCheckUtils]: 26: Hoare triple {29914#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29915#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} is VALID [2022-04-08 09:30:17,060 INFO L290 TraceCheckUtils]: 27: Hoare triple {29915#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29916#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} is VALID [2022-04-08 09:30:17,061 INFO L290 TraceCheckUtils]: 28: Hoare triple {29916#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29917#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} is VALID [2022-04-08 09:30:17,061 INFO L290 TraceCheckUtils]: 29: Hoare triple {29917#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29918#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} is VALID [2022-04-08 09:30:17,062 INFO L290 TraceCheckUtils]: 30: Hoare triple {29918#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29919#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} is VALID [2022-04-08 09:30:17,062 INFO L290 TraceCheckUtils]: 31: Hoare triple {29919#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29920#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} is VALID [2022-04-08 09:30:17,063 INFO L290 TraceCheckUtils]: 32: Hoare triple {29920#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29921#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} is VALID [2022-04-08 09:30:17,063 INFO L290 TraceCheckUtils]: 33: Hoare triple {29921#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29922#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} is VALID [2022-04-08 09:30:17,064 INFO L290 TraceCheckUtils]: 34: Hoare triple {29922#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29923#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} is VALID [2022-04-08 09:30:17,064 INFO L290 TraceCheckUtils]: 35: Hoare triple {29923#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29924#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} is VALID [2022-04-08 09:30:17,065 INFO L290 TraceCheckUtils]: 36: Hoare triple {29924#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29925#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} is VALID [2022-04-08 09:30:17,065 INFO L290 TraceCheckUtils]: 37: Hoare triple {29925#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29926#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} is VALID [2022-04-08 09:30:17,066 INFO L290 TraceCheckUtils]: 38: Hoare triple {29926#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29927#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} is VALID [2022-04-08 09:30:17,066 INFO L290 TraceCheckUtils]: 39: Hoare triple {29927#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29928#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} is VALID [2022-04-08 09:30:17,067 INFO L290 TraceCheckUtils]: 40: Hoare triple {29928#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29929#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} is VALID [2022-04-08 09:30:17,067 INFO L290 TraceCheckUtils]: 41: Hoare triple {29929#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29930#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} is VALID [2022-04-08 09:30:17,068 INFO L290 TraceCheckUtils]: 42: Hoare triple {29930#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29931#(and (<= main_~x~0 268435367) (<= 268435367 main_~x~0))} is VALID [2022-04-08 09:30:17,069 INFO L290 TraceCheckUtils]: 43: Hoare triple {29931#(and (<= main_~x~0 268435367) (<= 268435367 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29932#(and (<= 268435365 main_~x~0) (<= main_~x~0 268435365))} is VALID [2022-04-08 09:30:17,069 INFO L290 TraceCheckUtils]: 44: Hoare triple {29932#(and (<= 268435365 main_~x~0) (<= main_~x~0 268435365))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29933#(and (<= 268435363 main_~x~0) (<= main_~x~0 268435363))} is VALID [2022-04-08 09:30:17,070 INFO L290 TraceCheckUtils]: 45: Hoare triple {29933#(and (<= 268435363 main_~x~0) (<= main_~x~0 268435363))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29934#(and (<= main_~x~0 268435361) (<= 268435361 main_~x~0))} is VALID [2022-04-08 09:30:17,070 INFO L290 TraceCheckUtils]: 46: Hoare triple {29934#(and (<= main_~x~0 268435361) (<= 268435361 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29935#(and (<= main_~x~0 268435359) (<= 268435359 main_~x~0))} is VALID [2022-04-08 09:30:17,071 INFO L290 TraceCheckUtils]: 47: Hoare triple {29935#(and (<= main_~x~0 268435359) (<= 268435359 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29936#(and (<= main_~x~0 268435357) (<= 268435357 main_~x~0))} is VALID [2022-04-08 09:30:17,071 INFO L290 TraceCheckUtils]: 48: Hoare triple {29936#(and (<= main_~x~0 268435357) (<= 268435357 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29937#(and (<= main_~x~0 268435355) (<= 268435355 main_~x~0))} is VALID [2022-04-08 09:30:17,072 INFO L290 TraceCheckUtils]: 49: Hoare triple {29937#(and (<= main_~x~0 268435355) (<= 268435355 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29938#(and (<= main_~x~0 268435353) (<= 268435353 main_~x~0))} is VALID [2022-04-08 09:30:17,072 INFO L290 TraceCheckUtils]: 50: Hoare triple {29938#(and (<= main_~x~0 268435353) (<= 268435353 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29939#(and (<= 268435351 main_~x~0) (<= main_~x~0 268435351))} is VALID [2022-04-08 09:30:17,073 INFO L290 TraceCheckUtils]: 51: Hoare triple {29939#(and (<= 268435351 main_~x~0) (<= main_~x~0 268435351))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29940#(and (<= 268435349 main_~x~0) (<= main_~x~0 268435349))} is VALID [2022-04-08 09:30:17,073 INFO L290 TraceCheckUtils]: 52: Hoare triple {29940#(and (<= 268435349 main_~x~0) (<= main_~x~0 268435349))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29941#(and (<= 268435347 main_~x~0) (<= main_~x~0 268435347))} is VALID [2022-04-08 09:30:17,074 INFO L290 TraceCheckUtils]: 53: Hoare triple {29941#(and (<= 268435347 main_~x~0) (<= main_~x~0 268435347))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29942#(and (<= main_~x~0 268435345) (<= 268435345 main_~x~0))} is VALID [2022-04-08 09:30:17,074 INFO L290 TraceCheckUtils]: 54: Hoare triple {29942#(and (<= main_~x~0 268435345) (<= 268435345 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29943#(and (<= main_~x~0 268435343) (<= 268435343 main_~x~0))} is VALID [2022-04-08 09:30:17,075 INFO L290 TraceCheckUtils]: 55: Hoare triple {29943#(and (<= main_~x~0 268435343) (<= 268435343 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29944#(and (<= 268435341 main_~x~0) (<= main_~x~0 268435341))} is VALID [2022-04-08 09:30:17,075 INFO L290 TraceCheckUtils]: 56: Hoare triple {29944#(and (<= 268435341 main_~x~0) (<= main_~x~0 268435341))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {29945#(and (<= 268435339 main_~x~0) (<= main_~x~0 268435339))} is VALID [2022-04-08 09:30:17,076 INFO L290 TraceCheckUtils]: 57: Hoare triple {29945#(and (<= 268435339 main_~x~0) (<= main_~x~0 268435339))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30122#(and (<= main_~x~0 268435337) (<= 268435337 main_~x~0))} is VALID [2022-04-08 09:30:17,076 INFO L290 TraceCheckUtils]: 58: Hoare triple {30122#(and (<= main_~x~0 268435337) (<= 268435337 main_~x~0))} assume !(~x~0 % 4294967296 > 1); {29890#false} is VALID [2022-04-08 09:30:17,076 INFO L272 TraceCheckUtils]: 59: Hoare triple {29890#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)); {29890#false} is VALID [2022-04-08 09:30:17,076 INFO L290 TraceCheckUtils]: 60: Hoare triple {29890#false} ~cond := #in~cond; {29890#false} is VALID [2022-04-08 09:30:17,077 INFO L290 TraceCheckUtils]: 61: Hoare triple {29890#false} assume 0 == ~cond; {29890#false} is VALID [2022-04-08 09:30:17,077 INFO L290 TraceCheckUtils]: 62: Hoare triple {29890#false} assume !false; {29890#false} is VALID [2022-04-08 09:30:17,077 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:30:17,077 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 09:30:22,882 INFO L290 TraceCheckUtils]: 62: Hoare triple {29890#false} assume !false; {29890#false} is VALID [2022-04-08 09:30:22,882 INFO L290 TraceCheckUtils]: 61: Hoare triple {30141#(not (<= __VERIFIER_assert_~cond 0))} assume 0 == ~cond; {29890#false} is VALID [2022-04-08 09:30:22,883 INFO L290 TraceCheckUtils]: 60: Hoare triple {30145#(< 0 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {30141#(not (<= __VERIFIER_assert_~cond 0))} is VALID [2022-04-08 09:30:22,883 INFO L272 TraceCheckUtils]: 59: Hoare triple {30149#(= (mod main_~x~0 2) 0)} 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)); {30145#(< 0 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-08 09:30:22,884 INFO L290 TraceCheckUtils]: 58: Hoare triple {30153#(or (< 1 (mod main_~x~0 4294967296)) (= (mod main_~x~0 2) 0))} assume !(~x~0 % 4294967296 > 1); {30149#(= (mod main_~x~0 2) 0)} is VALID [2022-04-08 09:30:22,885 INFO L290 TraceCheckUtils]: 57: Hoare triple {30157#(or (< 1 (mod (+ main_~x~0 4294967294) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30153#(or (< 1 (mod main_~x~0 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:22,886 INFO L290 TraceCheckUtils]: 56: Hoare triple {30161#(or (< 1 (mod (+ 4294967292 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30157#(or (< 1 (mod (+ main_~x~0 4294967294) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:22,887 INFO L290 TraceCheckUtils]: 55: Hoare triple {30165#(or (< 1 (mod (+ 4294967290 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30161#(or (< 1 (mod (+ 4294967292 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:22,888 INFO L290 TraceCheckUtils]: 54: Hoare triple {30169#(or (< 1 (mod (+ 4294967288 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30165#(or (< 1 (mod (+ 4294967290 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:22,889 INFO L290 TraceCheckUtils]: 53: Hoare triple {30173#(or (< 1 (mod (+ main_~x~0 4294967286) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30169#(or (< 1 (mod (+ 4294967288 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:22,890 INFO L290 TraceCheckUtils]: 52: Hoare triple {30177#(or (< 1 (mod (+ main_~x~0 4294967284) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30173#(or (< 1 (mod (+ main_~x~0 4294967286) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:22,891 INFO L290 TraceCheckUtils]: 51: Hoare triple {30181#(or (< 1 (mod (+ 4294967282 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30177#(or (< 1 (mod (+ main_~x~0 4294967284) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:22,892 INFO L290 TraceCheckUtils]: 50: Hoare triple {30185#(or (< 1 (mod (+ main_~x~0 4294967280) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30181#(or (< 1 (mod (+ 4294967282 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:22,893 INFO L290 TraceCheckUtils]: 49: Hoare triple {30189#(or (< 1 (mod (+ main_~x~0 4294967278) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30185#(or (< 1 (mod (+ main_~x~0 4294967280) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:22,895 INFO L290 TraceCheckUtils]: 48: Hoare triple {30193#(or (< 1 (mod (+ 4294967276 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30189#(or (< 1 (mod (+ main_~x~0 4294967278) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:22,896 INFO L290 TraceCheckUtils]: 47: Hoare triple {30197#(or (< 1 (mod (+ 4294967274 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30193#(or (< 1 (mod (+ 4294967276 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:22,897 INFO L290 TraceCheckUtils]: 46: Hoare triple {30201#(or (< 1 (mod (+ 4294967272 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30197#(or (< 1 (mod (+ 4294967274 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:22,897 INFO L290 TraceCheckUtils]: 45: Hoare triple {30205#(or (< 1 (mod (+ main_~x~0 4294967270) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30201#(or (< 1 (mod (+ 4294967272 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:22,898 INFO L290 TraceCheckUtils]: 44: Hoare triple {30209#(or (< 1 (mod (+ main_~x~0 4294967268) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30205#(or (< 1 (mod (+ main_~x~0 4294967270) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:22,900 INFO L290 TraceCheckUtils]: 43: Hoare triple {30213#(or (< 1 (mod (+ main_~x~0 4294967266) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30209#(or (< 1 (mod (+ main_~x~0 4294967268) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:22,901 INFO L290 TraceCheckUtils]: 42: Hoare triple {30217#(or (< 1 (mod (+ main_~x~0 4294967264) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30213#(or (< 1 (mod (+ main_~x~0 4294967266) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:22,901 INFO L290 TraceCheckUtils]: 41: Hoare triple {30221#(or (< 1 (mod (+ main_~x~0 4294967262) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30217#(or (< 1 (mod (+ main_~x~0 4294967264) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:22,902 INFO L290 TraceCheckUtils]: 40: Hoare triple {30225#(or (< 1 (mod (+ 4294967260 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30221#(or (< 1 (mod (+ main_~x~0 4294967262) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:22,903 INFO L290 TraceCheckUtils]: 39: Hoare triple {30229#(or (< 1 (mod (+ main_~x~0 4294967258) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30225#(or (< 1 (mod (+ 4294967260 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:22,904 INFO L290 TraceCheckUtils]: 38: Hoare triple {30233#(or (< 1 (mod (+ main_~x~0 4294967256) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30229#(or (< 1 (mod (+ main_~x~0 4294967258) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:22,905 INFO L290 TraceCheckUtils]: 37: Hoare triple {30237#(or (< 1 (mod (+ 4294967254 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30233#(or (< 1 (mod (+ main_~x~0 4294967256) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:22,907 INFO L290 TraceCheckUtils]: 36: Hoare triple {30241#(or (< 1 (mod (+ main_~x~0 4294967252) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30237#(or (< 1 (mod (+ 4294967254 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:22,908 INFO L290 TraceCheckUtils]: 35: Hoare triple {30245#(or (< 1 (mod (+ 4294967250 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30241#(or (< 1 (mod (+ main_~x~0 4294967252) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:22,908 INFO L290 TraceCheckUtils]: 34: Hoare triple {30249#(or (< 1 (mod (+ main_~x~0 4294967248) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30245#(or (< 1 (mod (+ 4294967250 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:22,909 INFO L290 TraceCheckUtils]: 33: Hoare triple {30253#(or (< 1 (mod (+ 4294967246 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30249#(or (< 1 (mod (+ main_~x~0 4294967248) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:22,910 INFO L290 TraceCheckUtils]: 32: Hoare triple {30257#(or (< 1 (mod (+ main_~x~0 4294967244) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30253#(or (< 1 (mod (+ 4294967246 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:22,911 INFO L290 TraceCheckUtils]: 31: Hoare triple {30261#(or (< 1 (mod (+ main_~x~0 4294967242) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30257#(or (< 1 (mod (+ main_~x~0 4294967244) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:22,913 INFO L290 TraceCheckUtils]: 30: Hoare triple {30265#(or (< 1 (mod (+ 4294967240 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30261#(or (< 1 (mod (+ main_~x~0 4294967242) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:22,913 INFO L290 TraceCheckUtils]: 29: Hoare triple {30269#(or (< 1 (mod (+ 4294967238 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30265#(or (< 1 (mod (+ 4294967240 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:22,914 INFO L290 TraceCheckUtils]: 28: Hoare triple {30273#(or (< 1 (mod (+ main_~x~0 4294967236) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30269#(or (< 1 (mod (+ 4294967238 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:22,915 INFO L290 TraceCheckUtils]: 27: Hoare triple {30277#(or (< 1 (mod (+ main_~x~0 4294967234) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30273#(or (< 1 (mod (+ main_~x~0 4294967236) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:22,916 INFO L290 TraceCheckUtils]: 26: Hoare triple {30281#(or (< 1 (mod (+ main_~x~0 4294967232) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30277#(or (< 1 (mod (+ main_~x~0 4294967234) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:22,916 INFO L290 TraceCheckUtils]: 25: Hoare triple {30285#(or (< 1 (mod (+ 4294967230 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30281#(or (< 1 (mod (+ main_~x~0 4294967232) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:22,917 INFO L290 TraceCheckUtils]: 24: Hoare triple {30289#(or (< 1 (mod (+ main_~x~0 4294967228) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30285#(or (< 1 (mod (+ 4294967230 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:22,919 INFO L290 TraceCheckUtils]: 23: Hoare triple {30293#(or (< 1 (mod (+ main_~x~0 4294967226) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30289#(or (< 1 (mod (+ main_~x~0 4294967228) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:22,920 INFO L290 TraceCheckUtils]: 22: Hoare triple {30297#(or (< 1 (mod (+ 4294967224 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30293#(or (< 1 (mod (+ main_~x~0 4294967226) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:22,921 INFO L290 TraceCheckUtils]: 21: Hoare triple {30301#(or (< 1 (mod (+ main_~x~0 4294967222) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30297#(or (< 1 (mod (+ 4294967224 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:22,923 INFO L290 TraceCheckUtils]: 20: Hoare triple {30305#(or (< 1 (mod (+ main_~x~0 4294967220) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30301#(or (< 1 (mod (+ main_~x~0 4294967222) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:22,923 INFO L290 TraceCheckUtils]: 19: Hoare triple {30309#(or (< 1 (mod (+ 4294967218 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30305#(or (< 1 (mod (+ main_~x~0 4294967220) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:22,925 INFO L290 TraceCheckUtils]: 18: Hoare triple {30313#(or (< 1 (mod (+ 4294967216 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30309#(or (< 1 (mod (+ 4294967218 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:22,926 INFO L290 TraceCheckUtils]: 17: Hoare triple {30317#(or (< 1 (mod (+ main_~x~0 4294967214) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30313#(or (< 1 (mod (+ 4294967216 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:22,927 INFO L290 TraceCheckUtils]: 16: Hoare triple {30321#(or (< 1 (mod (+ 4294967212 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30317#(or (< 1 (mod (+ main_~x~0 4294967214) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:22,928 INFO L290 TraceCheckUtils]: 15: Hoare triple {30325#(or (< 1 (mod (+ 4294967210 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30321#(or (< 1 (mod (+ 4294967212 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:22,928 INFO L290 TraceCheckUtils]: 14: Hoare triple {30329#(or (< 1 (mod (+ main_~x~0 4294967208) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30325#(or (< 1 (mod (+ 4294967210 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:22,929 INFO L290 TraceCheckUtils]: 13: Hoare triple {30333#(or (< 1 (mod (+ 4294967206 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30329#(or (< 1 (mod (+ main_~x~0 4294967208) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:22,930 INFO L290 TraceCheckUtils]: 12: Hoare triple {30337#(or (< 1 (mod (+ main_~x~0 4294967204) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30333#(or (< 1 (mod (+ 4294967206 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:22,931 INFO L290 TraceCheckUtils]: 11: Hoare triple {30341#(or (< 1 (mod (+ 4294967202 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30337#(or (< 1 (mod (+ main_~x~0 4294967204) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:22,932 INFO L290 TraceCheckUtils]: 10: Hoare triple {30345#(or (< 1 (mod (+ 4294967200 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30341#(or (< 1 (mod (+ 4294967202 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:22,933 INFO L290 TraceCheckUtils]: 9: Hoare triple {30349#(or (< 1 (mod (+ 4294967198 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30345#(or (< 1 (mod (+ 4294967200 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:22,935 INFO L290 TraceCheckUtils]: 8: Hoare triple {30353#(or (< 1 (mod (+ 4294967196 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30349#(or (< 1 (mod (+ 4294967198 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:22,935 INFO L290 TraceCheckUtils]: 7: Hoare triple {30357#(or (< 1 (mod (+ 4294967194 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30353#(or (< 1 (mod (+ 4294967196 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:22,937 INFO L290 TraceCheckUtils]: 6: Hoare triple {30361#(or (< 1 (mod (+ 4294967192 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30357#(or (< 1 (mod (+ 4294967194 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:22,937 INFO L290 TraceCheckUtils]: 5: Hoare triple {29889#true} ~x~0 := 268435441; {30361#(or (< 1 (mod (+ 4294967192 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:30:22,937 INFO L272 TraceCheckUtils]: 4: Hoare triple {29889#true} call #t~ret4 := main(); {29889#true} is VALID [2022-04-08 09:30:22,937 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {29889#true} {29889#true} #34#return; {29889#true} is VALID [2022-04-08 09:30:22,938 INFO L290 TraceCheckUtils]: 2: Hoare triple {29889#true} assume true; {29889#true} is VALID [2022-04-08 09:30:22,938 INFO L290 TraceCheckUtils]: 1: Hoare triple {29889#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(13, 2);call #Ultimate.allocInit(12, 3); {29889#true} is VALID [2022-04-08 09:30:22,938 INFO L272 TraceCheckUtils]: 0: Hoare triple {29889#true} call ULTIMATE.init(); {29889#true} is VALID [2022-04-08 09:30:22,938 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:30:22,938 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1052448679] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-08 09:30:22,939 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-08 09:30:22,939 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [56, 55, 58] total 113 [2022-04-08 09:30:22,939 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 09:30:22,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1029938316] [2022-04-08 09:30:22,939 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1029938316] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 09:30:22,939 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 09:30:22,939 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [56] imperfect sequences [] total 56 [2022-04-08 09:30:22,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068313996] [2022-04-08 09:30:22,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 09:30:22,940 INFO L78 Accepts]: Start accepts. Automaton has has 56 states, 56 states have (on average 1.0535714285714286) internal successors, (59), 55 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 [2022-04-08 09:30:22,940 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 09:30:22,940 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 56 states, 56 states have (on average 1.0535714285714286) internal successors, (59), 55 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) [2022-04-08 09:30:22,986 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 63 edges. 63 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:30:22,986 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2022-04-08 09:30:22,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 09:30:22,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2022-04-08 09:30:22,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3191, Invalid=9465, Unknown=0, NotChecked=0, Total=12656 [2022-04-08 09:30:22,988 INFO L87 Difference]: Start difference. First operand 64 states and 64 transitions. Second operand has 56 states, 56 states have (on average 1.0535714285714286) internal successors, (59), 55 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) [2022-04-08 09:30:28,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:30:28,630 INFO L93 Difference]: Finished difference Result 70 states and 70 transitions. [2022-04-08 09:30:28,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-04-08 09:30:28,630 INFO L78 Accepts]: Start accepts. Automaton has has 56 states, 56 states have (on average 1.0535714285714286) internal successors, (59), 55 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 [2022-04-08 09:30:28,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 09:30:28,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 56 states have (on average 1.0535714285714286) internal successors, (59), 55 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) [2022-04-08 09:30:28,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 70 transitions. [2022-04-08 09:30:28,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 56 states have (on average 1.0535714285714286) internal successors, (59), 55 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) [2022-04-08 09:30:28,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 70 transitions. [2022-04-08 09:30:28,632 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 56 states and 70 transitions. [2022-04-08 09:30:28,680 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 70 edges. 70 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:30:28,681 INFO L225 Difference]: With dead ends: 70 [2022-04-08 09:30:28,681 INFO L226 Difference]: Without dead ends: 65 [2022-04-08 09:30:28,682 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 71 SyntacticMatches, 1 SemanticMatches, 164 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1493 ImplicationChecksByTransitivity, 8.1s TimeCoverageRelationStatistics Valid=6316, Invalid=21074, Unknown=0, NotChecked=0, Total=27390 [2022-04-08 09:30:28,682 INFO L913 BasicCegarLoop]: 11 mSDtfsCounter, 6 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 2843 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 2950 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 2843 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-04-08 09:30:28,683 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 98 Invalid, 2950 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 2843 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-04-08 09:30:28,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2022-04-08 09:30:28,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2022-04-08 09:30:28,765 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 09:30:28,766 INFO L82 GeneralOperation]: Start isEquivalent. First operand 65 states. Second operand has 65 states, 60 states have (on average 1.0166666666666666) internal successors, (61), 60 states have internal predecessors, (61), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:30:28,766 INFO L74 IsIncluded]: Start isIncluded. First operand 65 states. Second operand has 65 states, 60 states have (on average 1.0166666666666666) internal successors, (61), 60 states have internal predecessors, (61), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:30:28,766 INFO L87 Difference]: Start difference. First operand 65 states. Second operand has 65 states, 60 states have (on average 1.0166666666666666) internal successors, (61), 60 states have internal predecessors, (61), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:30:28,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:30:28,767 INFO L93 Difference]: Finished difference Result 65 states and 65 transitions. [2022-04-08 09:30:28,767 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 65 transitions. [2022-04-08 09:30:28,767 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:30:28,767 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:30:28,767 INFO L74 IsIncluded]: Start isIncluded. First operand has 65 states, 60 states have (on average 1.0166666666666666) internal successors, (61), 60 states have internal predecessors, (61), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 65 states. [2022-04-08 09:30:28,767 INFO L87 Difference]: Start difference. First operand has 65 states, 60 states have (on average 1.0166666666666666) internal successors, (61), 60 states have internal predecessors, (61), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 65 states. [2022-04-08 09:30:28,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:30:28,768 INFO L93 Difference]: Finished difference Result 65 states and 65 transitions. [2022-04-08 09:30:28,768 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 65 transitions. [2022-04-08 09:30:28,768 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:30:28,768 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:30:28,768 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 09:30:28,768 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 09:30:28,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 60 states have (on average 1.0166666666666666) internal successors, (61), 60 states have internal predecessors, (61), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:30:28,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 65 transitions. [2022-04-08 09:30:28,775 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 65 transitions. Word has length 63 [2022-04-08 09:30:28,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 09:30:28,775 INFO L478 AbstractCegarLoop]: Abstraction has 65 states and 65 transitions. [2022-04-08 09:30:28,775 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 1.0535714285714286) internal successors, (59), 55 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) [2022-04-08 09:30:28,775 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 65 states and 65 transitions. [2022-04-08 09:30:28,824 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 65 edges. 65 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:30:28,825 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 65 transitions. [2022-04-08 09:30:28,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-04-08 09:30:28,825 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 09:30:28,825 INFO L499 BasicCegarLoop]: trace histogram [53, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 09:30:28,841 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Forceful destruction successful, exit code 0 [2022-04-08 09:30:29,026 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 53 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable53 [2022-04-08 09:30:29,026 INFO L403 AbstractCegarLoop]: === Iteration 55 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 09:30:29,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 09:30:29,026 INFO L85 PathProgramCache]: Analyzing trace with hash 197834230, now seen corresponding path program 105 times [2022-04-08 09:30:29,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 09:30:29,027 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [707933645] [2022-04-08 09:30:29,030 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-08 09:30:29,031 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-08 09:30:29,031 INFO L85 PathProgramCache]: Analyzing trace with hash 197834230, now seen corresponding path program 106 times [2022-04-08 09:30:29,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 09:30:29,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597365628] [2022-04-08 09:30:29,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 09:30:29,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 09:30:29,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:30:30,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-08 09:30:30,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:30:30,600 INFO L290 TraceCheckUtils]: 0: Hoare triple {30947#(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(13, 2);call #Ultimate.allocInit(12, 3); {30888#true} is VALID [2022-04-08 09:30:30,600 INFO L290 TraceCheckUtils]: 1: Hoare triple {30888#true} assume true; {30888#true} is VALID [2022-04-08 09:30:30,601 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {30888#true} {30888#true} #34#return; {30888#true} is VALID [2022-04-08 09:30:30,601 INFO L272 TraceCheckUtils]: 0: Hoare triple {30888#true} call ULTIMATE.init(); {30947#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-08 09:30:30,601 INFO L290 TraceCheckUtils]: 1: Hoare triple {30947#(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(13, 2);call #Ultimate.allocInit(12, 3); {30888#true} is VALID [2022-04-08 09:30:30,601 INFO L290 TraceCheckUtils]: 2: Hoare triple {30888#true} assume true; {30888#true} is VALID [2022-04-08 09:30:30,602 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {30888#true} {30888#true} #34#return; {30888#true} is VALID [2022-04-08 09:30:30,602 INFO L272 TraceCheckUtils]: 4: Hoare triple {30888#true} call #t~ret4 := main(); {30888#true} is VALID [2022-04-08 09:30:30,602 INFO L290 TraceCheckUtils]: 5: Hoare triple {30888#true} ~x~0 := 268435441; {30893#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:30:30,603 INFO L290 TraceCheckUtils]: 6: Hoare triple {30893#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30894#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:30:30,603 INFO L290 TraceCheckUtils]: 7: Hoare triple {30894#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30895#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:30:30,604 INFO L290 TraceCheckUtils]: 8: Hoare triple {30895#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30896#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:30:30,605 INFO L290 TraceCheckUtils]: 9: Hoare triple {30896#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30897#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:30:30,605 INFO L290 TraceCheckUtils]: 10: Hoare triple {30897#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30898#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:30:30,606 INFO L290 TraceCheckUtils]: 11: Hoare triple {30898#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30899#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:30:30,607 INFO L290 TraceCheckUtils]: 12: Hoare triple {30899#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30900#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:30:30,607 INFO L290 TraceCheckUtils]: 13: Hoare triple {30900#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30901#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:30:30,608 INFO L290 TraceCheckUtils]: 14: Hoare triple {30901#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30902#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:30:30,609 INFO L290 TraceCheckUtils]: 15: Hoare triple {30902#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30903#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:30:30,609 INFO L290 TraceCheckUtils]: 16: Hoare triple {30903#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30904#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:30:30,610 INFO L290 TraceCheckUtils]: 17: Hoare triple {30904#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30905#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:30:30,611 INFO L290 TraceCheckUtils]: 18: Hoare triple {30905#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30906#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:30:30,611 INFO L290 TraceCheckUtils]: 19: Hoare triple {30906#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30907#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} is VALID [2022-04-08 09:30:30,612 INFO L290 TraceCheckUtils]: 20: Hoare triple {30907#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30908#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} is VALID [2022-04-08 09:30:30,613 INFO L290 TraceCheckUtils]: 21: Hoare triple {30908#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30909#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} is VALID [2022-04-08 09:30:30,613 INFO L290 TraceCheckUtils]: 22: Hoare triple {30909#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30910#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} is VALID [2022-04-08 09:30:30,614 INFO L290 TraceCheckUtils]: 23: Hoare triple {30910#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30911#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} is VALID [2022-04-08 09:30:30,615 INFO L290 TraceCheckUtils]: 24: Hoare triple {30911#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30912#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} is VALID [2022-04-08 09:30:30,615 INFO L290 TraceCheckUtils]: 25: Hoare triple {30912#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30913#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} is VALID [2022-04-08 09:30:30,616 INFO L290 TraceCheckUtils]: 26: Hoare triple {30913#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30914#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} is VALID [2022-04-08 09:30:30,616 INFO L290 TraceCheckUtils]: 27: Hoare triple {30914#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30915#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} is VALID [2022-04-08 09:30:30,617 INFO L290 TraceCheckUtils]: 28: Hoare triple {30915#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30916#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} is VALID [2022-04-08 09:30:30,617 INFO L290 TraceCheckUtils]: 29: Hoare triple {30916#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30917#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} is VALID [2022-04-08 09:30:30,618 INFO L290 TraceCheckUtils]: 30: Hoare triple {30917#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30918#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} is VALID [2022-04-08 09:30:30,618 INFO L290 TraceCheckUtils]: 31: Hoare triple {30918#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30919#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} is VALID [2022-04-08 09:30:30,619 INFO L290 TraceCheckUtils]: 32: Hoare triple {30919#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30920#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} is VALID [2022-04-08 09:30:30,620 INFO L290 TraceCheckUtils]: 33: Hoare triple {30920#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30921#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} is VALID [2022-04-08 09:30:30,620 INFO L290 TraceCheckUtils]: 34: Hoare triple {30921#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30922#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} is VALID [2022-04-08 09:30:30,621 INFO L290 TraceCheckUtils]: 35: Hoare triple {30922#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30923#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} is VALID [2022-04-08 09:30:30,621 INFO L290 TraceCheckUtils]: 36: Hoare triple {30923#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30924#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} is VALID [2022-04-08 09:30:30,622 INFO L290 TraceCheckUtils]: 37: Hoare triple {30924#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30925#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} is VALID [2022-04-08 09:30:30,622 INFO L290 TraceCheckUtils]: 38: Hoare triple {30925#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30926#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} is VALID [2022-04-08 09:30:30,623 INFO L290 TraceCheckUtils]: 39: Hoare triple {30926#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30927#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} is VALID [2022-04-08 09:30:30,623 INFO L290 TraceCheckUtils]: 40: Hoare triple {30927#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30928#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} is VALID [2022-04-08 09:30:30,624 INFO L290 TraceCheckUtils]: 41: Hoare triple {30928#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30929#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} is VALID [2022-04-08 09:30:30,624 INFO L290 TraceCheckUtils]: 42: Hoare triple {30929#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30930#(and (<= main_~x~0 268435367) (<= 268435367 main_~x~0))} is VALID [2022-04-08 09:30:30,625 INFO L290 TraceCheckUtils]: 43: Hoare triple {30930#(and (<= main_~x~0 268435367) (<= 268435367 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30931#(and (<= 268435365 main_~x~0) (<= main_~x~0 268435365))} is VALID [2022-04-08 09:30:30,625 INFO L290 TraceCheckUtils]: 44: Hoare triple {30931#(and (<= 268435365 main_~x~0) (<= main_~x~0 268435365))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30932#(and (<= 268435363 main_~x~0) (<= main_~x~0 268435363))} is VALID [2022-04-08 09:30:30,626 INFO L290 TraceCheckUtils]: 45: Hoare triple {30932#(and (<= 268435363 main_~x~0) (<= main_~x~0 268435363))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30933#(and (<= main_~x~0 268435361) (<= 268435361 main_~x~0))} is VALID [2022-04-08 09:30:30,626 INFO L290 TraceCheckUtils]: 46: Hoare triple {30933#(and (<= main_~x~0 268435361) (<= 268435361 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30934#(and (<= main_~x~0 268435359) (<= 268435359 main_~x~0))} is VALID [2022-04-08 09:30:30,627 INFO L290 TraceCheckUtils]: 47: Hoare triple {30934#(and (<= main_~x~0 268435359) (<= 268435359 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30935#(and (<= main_~x~0 268435357) (<= 268435357 main_~x~0))} is VALID [2022-04-08 09:30:30,627 INFO L290 TraceCheckUtils]: 48: Hoare triple {30935#(and (<= main_~x~0 268435357) (<= 268435357 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30936#(and (<= main_~x~0 268435355) (<= 268435355 main_~x~0))} is VALID [2022-04-08 09:30:30,628 INFO L290 TraceCheckUtils]: 49: Hoare triple {30936#(and (<= main_~x~0 268435355) (<= 268435355 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30937#(and (<= main_~x~0 268435353) (<= 268435353 main_~x~0))} is VALID [2022-04-08 09:30:30,628 INFO L290 TraceCheckUtils]: 50: Hoare triple {30937#(and (<= main_~x~0 268435353) (<= 268435353 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30938#(and (<= 268435351 main_~x~0) (<= main_~x~0 268435351))} is VALID [2022-04-08 09:30:30,629 INFO L290 TraceCheckUtils]: 51: Hoare triple {30938#(and (<= 268435351 main_~x~0) (<= main_~x~0 268435351))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30939#(and (<= 268435349 main_~x~0) (<= main_~x~0 268435349))} is VALID [2022-04-08 09:30:30,629 INFO L290 TraceCheckUtils]: 52: Hoare triple {30939#(and (<= 268435349 main_~x~0) (<= main_~x~0 268435349))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30940#(and (<= 268435347 main_~x~0) (<= main_~x~0 268435347))} is VALID [2022-04-08 09:30:30,630 INFO L290 TraceCheckUtils]: 53: Hoare triple {30940#(and (<= 268435347 main_~x~0) (<= main_~x~0 268435347))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30941#(and (<= main_~x~0 268435345) (<= 268435345 main_~x~0))} is VALID [2022-04-08 09:30:30,630 INFO L290 TraceCheckUtils]: 54: Hoare triple {30941#(and (<= main_~x~0 268435345) (<= 268435345 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30942#(and (<= main_~x~0 268435343) (<= 268435343 main_~x~0))} is VALID [2022-04-08 09:30:30,631 INFO L290 TraceCheckUtils]: 55: Hoare triple {30942#(and (<= main_~x~0 268435343) (<= 268435343 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30943#(and (<= 268435341 main_~x~0) (<= main_~x~0 268435341))} is VALID [2022-04-08 09:30:30,631 INFO L290 TraceCheckUtils]: 56: Hoare triple {30943#(and (<= 268435341 main_~x~0) (<= main_~x~0 268435341))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30944#(and (<= 268435339 main_~x~0) (<= main_~x~0 268435339))} is VALID [2022-04-08 09:30:30,632 INFO L290 TraceCheckUtils]: 57: Hoare triple {30944#(and (<= 268435339 main_~x~0) (<= main_~x~0 268435339))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30945#(and (<= main_~x~0 268435337) (<= 268435337 main_~x~0))} is VALID [2022-04-08 09:30:30,632 INFO L290 TraceCheckUtils]: 58: Hoare triple {30945#(and (<= main_~x~0 268435337) (<= 268435337 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30946#(and (<= (div main_~x~0 4294967296) 0) (<= 268435335 main_~x~0))} is VALID [2022-04-08 09:30:30,633 INFO L290 TraceCheckUtils]: 59: Hoare triple {30946#(and (<= (div main_~x~0 4294967296) 0) (<= 268435335 main_~x~0))} assume !(~x~0 % 4294967296 > 1); {30889#false} is VALID [2022-04-08 09:30:30,633 INFO L272 TraceCheckUtils]: 60: Hoare triple {30889#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)); {30889#false} is VALID [2022-04-08 09:30:30,633 INFO L290 TraceCheckUtils]: 61: Hoare triple {30889#false} ~cond := #in~cond; {30889#false} is VALID [2022-04-08 09:30:30,633 INFO L290 TraceCheckUtils]: 62: Hoare triple {30889#false} assume 0 == ~cond; {30889#false} is VALID [2022-04-08 09:30:30,633 INFO L290 TraceCheckUtils]: 63: Hoare triple {30889#false} assume !false; {30889#false} is VALID [2022-04-08 09:30:30,634 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:30:30,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 09:30:30,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597365628] [2022-04-08 09:30:30,634 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597365628] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-08 09:30:30,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [570552297] [2022-04-08 09:30:30,634 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-08 09:30:30,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 09:30:30,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 09:30:30,635 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) [2022-04-08 09:30:30,636 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Waiting until timeout for monitored process [2022-04-08 09:30:30,776 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-08 09:30:30,776 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 09:30:30,778 WARN L261 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 109 conjunts are in the unsatisfiable core [2022-04-08 09:30:30,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:30:30,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 09:30:31,442 INFO L272 TraceCheckUtils]: 0: Hoare triple {30888#true} call ULTIMATE.init(); {30888#true} is VALID [2022-04-08 09:30:31,442 INFO L290 TraceCheckUtils]: 1: Hoare triple {30888#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(13, 2);call #Ultimate.allocInit(12, 3); {30888#true} is VALID [2022-04-08 09:30:31,443 INFO L290 TraceCheckUtils]: 2: Hoare triple {30888#true} assume true; {30888#true} is VALID [2022-04-08 09:30:31,443 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {30888#true} {30888#true} #34#return; {30888#true} is VALID [2022-04-08 09:30:31,443 INFO L272 TraceCheckUtils]: 4: Hoare triple {30888#true} call #t~ret4 := main(); {30888#true} is VALID [2022-04-08 09:30:31,443 INFO L290 TraceCheckUtils]: 5: Hoare triple {30888#true} ~x~0 := 268435441; {30893#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:30:31,444 INFO L290 TraceCheckUtils]: 6: Hoare triple {30893#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30894#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:30:31,444 INFO L290 TraceCheckUtils]: 7: Hoare triple {30894#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30895#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:30:31,445 INFO L290 TraceCheckUtils]: 8: Hoare triple {30895#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30896#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:30:31,445 INFO L290 TraceCheckUtils]: 9: Hoare triple {30896#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30897#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:30:31,446 INFO L290 TraceCheckUtils]: 10: Hoare triple {30897#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30898#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:30:31,446 INFO L290 TraceCheckUtils]: 11: Hoare triple {30898#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30899#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:30:31,447 INFO L290 TraceCheckUtils]: 12: Hoare triple {30899#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30900#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:30:31,447 INFO L290 TraceCheckUtils]: 13: Hoare triple {30900#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30901#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:30:31,448 INFO L290 TraceCheckUtils]: 14: Hoare triple {30901#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30902#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:30:31,448 INFO L290 TraceCheckUtils]: 15: Hoare triple {30902#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30903#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:30:31,449 INFO L290 TraceCheckUtils]: 16: Hoare triple {30903#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30904#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:30:31,449 INFO L290 TraceCheckUtils]: 17: Hoare triple {30904#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30905#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:30:31,450 INFO L290 TraceCheckUtils]: 18: Hoare triple {30905#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30906#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:30:31,450 INFO L290 TraceCheckUtils]: 19: Hoare triple {30906#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30907#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} is VALID [2022-04-08 09:30:31,451 INFO L290 TraceCheckUtils]: 20: Hoare triple {30907#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30908#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} is VALID [2022-04-08 09:30:31,452 INFO L290 TraceCheckUtils]: 21: Hoare triple {30908#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30909#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} is VALID [2022-04-08 09:30:31,452 INFO L290 TraceCheckUtils]: 22: Hoare triple {30909#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30910#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} is VALID [2022-04-08 09:30:31,453 INFO L290 TraceCheckUtils]: 23: Hoare triple {30910#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30911#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} is VALID [2022-04-08 09:30:31,453 INFO L290 TraceCheckUtils]: 24: Hoare triple {30911#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30912#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} is VALID [2022-04-08 09:30:31,454 INFO L290 TraceCheckUtils]: 25: Hoare triple {30912#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30913#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} is VALID [2022-04-08 09:30:31,454 INFO L290 TraceCheckUtils]: 26: Hoare triple {30913#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30914#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} is VALID [2022-04-08 09:30:31,455 INFO L290 TraceCheckUtils]: 27: Hoare triple {30914#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30915#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} is VALID [2022-04-08 09:30:31,455 INFO L290 TraceCheckUtils]: 28: Hoare triple {30915#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30916#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} is VALID [2022-04-08 09:30:31,456 INFO L290 TraceCheckUtils]: 29: Hoare triple {30916#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30917#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} is VALID [2022-04-08 09:30:31,456 INFO L290 TraceCheckUtils]: 30: Hoare triple {30917#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30918#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} is VALID [2022-04-08 09:30:31,457 INFO L290 TraceCheckUtils]: 31: Hoare triple {30918#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30919#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} is VALID [2022-04-08 09:30:31,457 INFO L290 TraceCheckUtils]: 32: Hoare triple {30919#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30920#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} is VALID [2022-04-08 09:30:31,458 INFO L290 TraceCheckUtils]: 33: Hoare triple {30920#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30921#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} is VALID [2022-04-08 09:30:31,458 INFO L290 TraceCheckUtils]: 34: Hoare triple {30921#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30922#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} is VALID [2022-04-08 09:30:31,459 INFO L290 TraceCheckUtils]: 35: Hoare triple {30922#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30923#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} is VALID [2022-04-08 09:30:31,459 INFO L290 TraceCheckUtils]: 36: Hoare triple {30923#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30924#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} is VALID [2022-04-08 09:30:31,460 INFO L290 TraceCheckUtils]: 37: Hoare triple {30924#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30925#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} is VALID [2022-04-08 09:30:31,460 INFO L290 TraceCheckUtils]: 38: Hoare triple {30925#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30926#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} is VALID [2022-04-08 09:30:31,461 INFO L290 TraceCheckUtils]: 39: Hoare triple {30926#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30927#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} is VALID [2022-04-08 09:30:31,461 INFO L290 TraceCheckUtils]: 40: Hoare triple {30927#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30928#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} is VALID [2022-04-08 09:30:31,462 INFO L290 TraceCheckUtils]: 41: Hoare triple {30928#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30929#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} is VALID [2022-04-08 09:30:31,462 INFO L290 TraceCheckUtils]: 42: Hoare triple {30929#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30930#(and (<= main_~x~0 268435367) (<= 268435367 main_~x~0))} is VALID [2022-04-08 09:30:31,463 INFO L290 TraceCheckUtils]: 43: Hoare triple {30930#(and (<= main_~x~0 268435367) (<= 268435367 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30931#(and (<= 268435365 main_~x~0) (<= main_~x~0 268435365))} is VALID [2022-04-08 09:30:31,463 INFO L290 TraceCheckUtils]: 44: Hoare triple {30931#(and (<= 268435365 main_~x~0) (<= main_~x~0 268435365))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30932#(and (<= 268435363 main_~x~0) (<= main_~x~0 268435363))} is VALID [2022-04-08 09:30:31,464 INFO L290 TraceCheckUtils]: 45: Hoare triple {30932#(and (<= 268435363 main_~x~0) (<= main_~x~0 268435363))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30933#(and (<= main_~x~0 268435361) (<= 268435361 main_~x~0))} is VALID [2022-04-08 09:30:31,465 INFO L290 TraceCheckUtils]: 46: Hoare triple {30933#(and (<= main_~x~0 268435361) (<= 268435361 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30934#(and (<= main_~x~0 268435359) (<= 268435359 main_~x~0))} is VALID [2022-04-08 09:30:31,465 INFO L290 TraceCheckUtils]: 47: Hoare triple {30934#(and (<= main_~x~0 268435359) (<= 268435359 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30935#(and (<= main_~x~0 268435357) (<= 268435357 main_~x~0))} is VALID [2022-04-08 09:30:31,466 INFO L290 TraceCheckUtils]: 48: Hoare triple {30935#(and (<= main_~x~0 268435357) (<= 268435357 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30936#(and (<= main_~x~0 268435355) (<= 268435355 main_~x~0))} is VALID [2022-04-08 09:30:31,466 INFO L290 TraceCheckUtils]: 49: Hoare triple {30936#(and (<= main_~x~0 268435355) (<= 268435355 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30937#(and (<= main_~x~0 268435353) (<= 268435353 main_~x~0))} is VALID [2022-04-08 09:30:31,467 INFO L290 TraceCheckUtils]: 50: Hoare triple {30937#(and (<= main_~x~0 268435353) (<= 268435353 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30938#(and (<= 268435351 main_~x~0) (<= main_~x~0 268435351))} is VALID [2022-04-08 09:30:31,467 INFO L290 TraceCheckUtils]: 51: Hoare triple {30938#(and (<= 268435351 main_~x~0) (<= main_~x~0 268435351))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30939#(and (<= 268435349 main_~x~0) (<= main_~x~0 268435349))} is VALID [2022-04-08 09:30:31,468 INFO L290 TraceCheckUtils]: 52: Hoare triple {30939#(and (<= 268435349 main_~x~0) (<= main_~x~0 268435349))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30940#(and (<= 268435347 main_~x~0) (<= main_~x~0 268435347))} is VALID [2022-04-08 09:30:31,468 INFO L290 TraceCheckUtils]: 53: Hoare triple {30940#(and (<= 268435347 main_~x~0) (<= main_~x~0 268435347))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30941#(and (<= main_~x~0 268435345) (<= 268435345 main_~x~0))} is VALID [2022-04-08 09:30:31,469 INFO L290 TraceCheckUtils]: 54: Hoare triple {30941#(and (<= main_~x~0 268435345) (<= 268435345 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30942#(and (<= main_~x~0 268435343) (<= 268435343 main_~x~0))} is VALID [2022-04-08 09:30:31,469 INFO L290 TraceCheckUtils]: 55: Hoare triple {30942#(and (<= main_~x~0 268435343) (<= 268435343 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30943#(and (<= 268435341 main_~x~0) (<= main_~x~0 268435341))} is VALID [2022-04-08 09:30:31,470 INFO L290 TraceCheckUtils]: 56: Hoare triple {30943#(and (<= 268435341 main_~x~0) (<= main_~x~0 268435341))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30944#(and (<= 268435339 main_~x~0) (<= main_~x~0 268435339))} is VALID [2022-04-08 09:30:31,470 INFO L290 TraceCheckUtils]: 57: Hoare triple {30944#(and (<= 268435339 main_~x~0) (<= main_~x~0 268435339))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {30945#(and (<= main_~x~0 268435337) (<= 268435337 main_~x~0))} is VALID [2022-04-08 09:30:31,471 INFO L290 TraceCheckUtils]: 58: Hoare triple {30945#(and (<= main_~x~0 268435337) (<= 268435337 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31125#(and (<= main_~x~0 268435335) (<= 268435335 main_~x~0))} is VALID [2022-04-08 09:30:31,471 INFO L290 TraceCheckUtils]: 59: Hoare triple {31125#(and (<= main_~x~0 268435335) (<= 268435335 main_~x~0))} assume !(~x~0 % 4294967296 > 1); {30889#false} is VALID [2022-04-08 09:30:31,471 INFO L272 TraceCheckUtils]: 60: Hoare triple {30889#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)); {30889#false} is VALID [2022-04-08 09:30:31,471 INFO L290 TraceCheckUtils]: 61: Hoare triple {30889#false} ~cond := #in~cond; {30889#false} is VALID [2022-04-08 09:30:31,471 INFO L290 TraceCheckUtils]: 62: Hoare triple {30889#false} assume 0 == ~cond; {30889#false} is VALID [2022-04-08 09:30:31,472 INFO L290 TraceCheckUtils]: 63: Hoare triple {30889#false} assume !false; {30889#false} is VALID [2022-04-08 09:30:31,472 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:30:31,472 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 09:30:36,148 INFO L290 TraceCheckUtils]: 63: Hoare triple {30889#false} assume !false; {30889#false} is VALID [2022-04-08 09:30:36,148 INFO L290 TraceCheckUtils]: 62: Hoare triple {30889#false} assume 0 == ~cond; {30889#false} is VALID [2022-04-08 09:30:36,148 INFO L290 TraceCheckUtils]: 61: Hoare triple {30889#false} ~cond := #in~cond; {30889#false} is VALID [2022-04-08 09:30:36,148 INFO L272 TraceCheckUtils]: 60: Hoare triple {30889#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)); {30889#false} is VALID [2022-04-08 09:30:36,149 INFO L290 TraceCheckUtils]: 59: Hoare triple {31153#(< 1 (mod main_~x~0 4294967296))} assume !(~x~0 % 4294967296 > 1); {30889#false} is VALID [2022-04-08 09:30:36,150 INFO L290 TraceCheckUtils]: 58: Hoare triple {31157#(< 1 (mod (+ main_~x~0 4294967294) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31153#(< 1 (mod main_~x~0 4294967296))} is VALID [2022-04-08 09:30:36,150 INFO L290 TraceCheckUtils]: 57: Hoare triple {31161#(< 1 (mod (+ 4294967292 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31157#(< 1 (mod (+ main_~x~0 4294967294) 4294967296))} is VALID [2022-04-08 09:30:36,151 INFO L290 TraceCheckUtils]: 56: Hoare triple {31165#(< 1 (mod (+ 4294967290 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31161#(< 1 (mod (+ 4294967292 main_~x~0) 4294967296))} is VALID [2022-04-08 09:30:36,152 INFO L290 TraceCheckUtils]: 55: Hoare triple {31169#(< 1 (mod (+ 4294967288 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31165#(< 1 (mod (+ 4294967290 main_~x~0) 4294967296))} is VALID [2022-04-08 09:30:36,152 INFO L290 TraceCheckUtils]: 54: Hoare triple {31173#(< 1 (mod (+ main_~x~0 4294967286) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31169#(< 1 (mod (+ 4294967288 main_~x~0) 4294967296))} is VALID [2022-04-08 09:30:36,153 INFO L290 TraceCheckUtils]: 53: Hoare triple {31177#(< 1 (mod (+ main_~x~0 4294967284) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31173#(< 1 (mod (+ main_~x~0 4294967286) 4294967296))} is VALID [2022-04-08 09:30:36,154 INFO L290 TraceCheckUtils]: 52: Hoare triple {31181#(< 1 (mod (+ 4294967282 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31177#(< 1 (mod (+ main_~x~0 4294967284) 4294967296))} is VALID [2022-04-08 09:30:36,154 INFO L290 TraceCheckUtils]: 51: Hoare triple {31185#(< 1 (mod (+ main_~x~0 4294967280) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31181#(< 1 (mod (+ 4294967282 main_~x~0) 4294967296))} is VALID [2022-04-08 09:30:36,155 INFO L290 TraceCheckUtils]: 50: Hoare triple {31189#(< 1 (mod (+ main_~x~0 4294967278) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31185#(< 1 (mod (+ main_~x~0 4294967280) 4294967296))} is VALID [2022-04-08 09:30:36,156 INFO L290 TraceCheckUtils]: 49: Hoare triple {31193#(< 1 (mod (+ 4294967276 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31189#(< 1 (mod (+ main_~x~0 4294967278) 4294967296))} is VALID [2022-04-08 09:30:36,157 INFO L290 TraceCheckUtils]: 48: Hoare triple {31197#(< 1 (mod (+ 4294967274 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31193#(< 1 (mod (+ 4294967276 main_~x~0) 4294967296))} is VALID [2022-04-08 09:30:36,158 INFO L290 TraceCheckUtils]: 47: Hoare triple {31201#(< 1 (mod (+ 4294967272 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31197#(< 1 (mod (+ 4294967274 main_~x~0) 4294967296))} is VALID [2022-04-08 09:30:36,158 INFO L290 TraceCheckUtils]: 46: Hoare triple {31205#(< 1 (mod (+ main_~x~0 4294967270) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31201#(< 1 (mod (+ 4294967272 main_~x~0) 4294967296))} is VALID [2022-04-08 09:30:36,159 INFO L290 TraceCheckUtils]: 45: Hoare triple {31209#(< 1 (mod (+ main_~x~0 4294967268) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31205#(< 1 (mod (+ main_~x~0 4294967270) 4294967296))} is VALID [2022-04-08 09:30:36,159 INFO L290 TraceCheckUtils]: 44: Hoare triple {31213#(< 1 (mod (+ main_~x~0 4294967266) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31209#(< 1 (mod (+ main_~x~0 4294967268) 4294967296))} is VALID [2022-04-08 09:30:36,160 INFO L290 TraceCheckUtils]: 43: Hoare triple {31217#(< 1 (mod (+ main_~x~0 4294967264) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31213#(< 1 (mod (+ main_~x~0 4294967266) 4294967296))} is VALID [2022-04-08 09:30:36,161 INFO L290 TraceCheckUtils]: 42: Hoare triple {31221#(< 1 (mod (+ main_~x~0 4294967262) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31217#(< 1 (mod (+ main_~x~0 4294967264) 4294967296))} is VALID [2022-04-08 09:30:36,161 INFO L290 TraceCheckUtils]: 41: Hoare triple {31225#(< 1 (mod (+ 4294967260 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31221#(< 1 (mod (+ main_~x~0 4294967262) 4294967296))} is VALID [2022-04-08 09:30:36,162 INFO L290 TraceCheckUtils]: 40: Hoare triple {31229#(< 1 (mod (+ main_~x~0 4294967258) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31225#(< 1 (mod (+ 4294967260 main_~x~0) 4294967296))} is VALID [2022-04-08 09:30:36,163 INFO L290 TraceCheckUtils]: 39: Hoare triple {31233#(< 1 (mod (+ main_~x~0 4294967256) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31229#(< 1 (mod (+ main_~x~0 4294967258) 4294967296))} is VALID [2022-04-08 09:30:36,164 INFO L290 TraceCheckUtils]: 38: Hoare triple {31237#(< 1 (mod (+ 4294967254 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31233#(< 1 (mod (+ main_~x~0 4294967256) 4294967296))} is VALID [2022-04-08 09:30:36,164 INFO L290 TraceCheckUtils]: 37: Hoare triple {31241#(< 1 (mod (+ main_~x~0 4294967252) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31237#(< 1 (mod (+ 4294967254 main_~x~0) 4294967296))} is VALID [2022-04-08 09:30:36,165 INFO L290 TraceCheckUtils]: 36: Hoare triple {31245#(< 1 (mod (+ 4294967250 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31241#(< 1 (mod (+ main_~x~0 4294967252) 4294967296))} is VALID [2022-04-08 09:30:36,166 INFO L290 TraceCheckUtils]: 35: Hoare triple {31249#(< 1 (mod (+ main_~x~0 4294967248) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31245#(< 1 (mod (+ 4294967250 main_~x~0) 4294967296))} is VALID [2022-04-08 09:30:36,166 INFO L290 TraceCheckUtils]: 34: Hoare triple {31253#(< 1 (mod (+ 4294967246 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31249#(< 1 (mod (+ main_~x~0 4294967248) 4294967296))} is VALID [2022-04-08 09:30:36,167 INFO L290 TraceCheckUtils]: 33: Hoare triple {31257#(< 1 (mod (+ main_~x~0 4294967244) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31253#(< 1 (mod (+ 4294967246 main_~x~0) 4294967296))} is VALID [2022-04-08 09:30:36,168 INFO L290 TraceCheckUtils]: 32: Hoare triple {31261#(< 1 (mod (+ main_~x~0 4294967242) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31257#(< 1 (mod (+ main_~x~0 4294967244) 4294967296))} is VALID [2022-04-08 09:30:36,168 INFO L290 TraceCheckUtils]: 31: Hoare triple {31265#(< 1 (mod (+ 4294967240 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31261#(< 1 (mod (+ main_~x~0 4294967242) 4294967296))} is VALID [2022-04-08 09:30:36,169 INFO L290 TraceCheckUtils]: 30: Hoare triple {31269#(< 1 (mod (+ 4294967238 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31265#(< 1 (mod (+ 4294967240 main_~x~0) 4294967296))} is VALID [2022-04-08 09:30:36,169 INFO L290 TraceCheckUtils]: 29: Hoare triple {31273#(< 1 (mod (+ main_~x~0 4294967236) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31269#(< 1 (mod (+ 4294967238 main_~x~0) 4294967296))} is VALID [2022-04-08 09:30:36,170 INFO L290 TraceCheckUtils]: 28: Hoare triple {31277#(< 1 (mod (+ main_~x~0 4294967234) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31273#(< 1 (mod (+ main_~x~0 4294967236) 4294967296))} is VALID [2022-04-08 09:30:36,171 INFO L290 TraceCheckUtils]: 27: Hoare triple {31281#(< 1 (mod (+ main_~x~0 4294967232) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31277#(< 1 (mod (+ main_~x~0 4294967234) 4294967296))} is VALID [2022-04-08 09:30:36,171 INFO L290 TraceCheckUtils]: 26: Hoare triple {31285#(< 1 (mod (+ 4294967230 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31281#(< 1 (mod (+ main_~x~0 4294967232) 4294967296))} is VALID [2022-04-08 09:30:36,172 INFO L290 TraceCheckUtils]: 25: Hoare triple {31289#(< 1 (mod (+ main_~x~0 4294967228) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31285#(< 1 (mod (+ 4294967230 main_~x~0) 4294967296))} is VALID [2022-04-08 09:30:36,173 INFO L290 TraceCheckUtils]: 24: Hoare triple {31293#(< 1 (mod (+ main_~x~0 4294967226) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31289#(< 1 (mod (+ main_~x~0 4294967228) 4294967296))} is VALID [2022-04-08 09:30:36,174 INFO L290 TraceCheckUtils]: 23: Hoare triple {31297#(< 1 (mod (+ 4294967224 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31293#(< 1 (mod (+ main_~x~0 4294967226) 4294967296))} is VALID [2022-04-08 09:30:36,174 INFO L290 TraceCheckUtils]: 22: Hoare triple {31301#(< 1 (mod (+ main_~x~0 4294967222) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31297#(< 1 (mod (+ 4294967224 main_~x~0) 4294967296))} is VALID [2022-04-08 09:30:36,175 INFO L290 TraceCheckUtils]: 21: Hoare triple {31305#(< 1 (mod (+ main_~x~0 4294967220) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31301#(< 1 (mod (+ main_~x~0 4294967222) 4294967296))} is VALID [2022-04-08 09:30:36,176 INFO L290 TraceCheckUtils]: 20: Hoare triple {31309#(< 1 (mod (+ 4294967218 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31305#(< 1 (mod (+ main_~x~0 4294967220) 4294967296))} is VALID [2022-04-08 09:30:36,176 INFO L290 TraceCheckUtils]: 19: Hoare triple {31313#(< 1 (mod (+ 4294967216 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31309#(< 1 (mod (+ 4294967218 main_~x~0) 4294967296))} is VALID [2022-04-08 09:30:36,177 INFO L290 TraceCheckUtils]: 18: Hoare triple {31317#(< 1 (mod (+ main_~x~0 4294967214) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31313#(< 1 (mod (+ 4294967216 main_~x~0) 4294967296))} is VALID [2022-04-08 09:30:36,178 INFO L290 TraceCheckUtils]: 17: Hoare triple {31321#(< 1 (mod (+ 4294967212 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31317#(< 1 (mod (+ main_~x~0 4294967214) 4294967296))} is VALID [2022-04-08 09:30:36,178 INFO L290 TraceCheckUtils]: 16: Hoare triple {31325#(< 1 (mod (+ 4294967210 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31321#(< 1 (mod (+ 4294967212 main_~x~0) 4294967296))} is VALID [2022-04-08 09:30:36,179 INFO L290 TraceCheckUtils]: 15: Hoare triple {31329#(< 1 (mod (+ main_~x~0 4294967208) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31325#(< 1 (mod (+ 4294967210 main_~x~0) 4294967296))} is VALID [2022-04-08 09:30:36,180 INFO L290 TraceCheckUtils]: 14: Hoare triple {31333#(< 1 (mod (+ 4294967206 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31329#(< 1 (mod (+ main_~x~0 4294967208) 4294967296))} is VALID [2022-04-08 09:30:36,180 INFO L290 TraceCheckUtils]: 13: Hoare triple {31337#(< 1 (mod (+ main_~x~0 4294967204) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31333#(< 1 (mod (+ 4294967206 main_~x~0) 4294967296))} is VALID [2022-04-08 09:30:36,181 INFO L290 TraceCheckUtils]: 12: Hoare triple {31341#(< 1 (mod (+ 4294967202 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31337#(< 1 (mod (+ main_~x~0 4294967204) 4294967296))} is VALID [2022-04-08 09:30:36,182 INFO L290 TraceCheckUtils]: 11: Hoare triple {31345#(< 1 (mod (+ 4294967200 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31341#(< 1 (mod (+ 4294967202 main_~x~0) 4294967296))} is VALID [2022-04-08 09:30:36,182 INFO L290 TraceCheckUtils]: 10: Hoare triple {31349#(< 1 (mod (+ 4294967198 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31345#(< 1 (mod (+ 4294967200 main_~x~0) 4294967296))} is VALID [2022-04-08 09:30:36,183 INFO L290 TraceCheckUtils]: 9: Hoare triple {31353#(< 1 (mod (+ 4294967196 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31349#(< 1 (mod (+ 4294967198 main_~x~0) 4294967296))} is VALID [2022-04-08 09:30:36,184 INFO L290 TraceCheckUtils]: 8: Hoare triple {31357#(< 1 (mod (+ 4294967194 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31353#(< 1 (mod (+ 4294967196 main_~x~0) 4294967296))} is VALID [2022-04-08 09:30:36,184 INFO L290 TraceCheckUtils]: 7: Hoare triple {31361#(< 1 (mod (+ 4294967192 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31357#(< 1 (mod (+ 4294967194 main_~x~0) 4294967296))} is VALID [2022-04-08 09:30:36,185 INFO L290 TraceCheckUtils]: 6: Hoare triple {31365#(< 1 (mod (+ main_~x~0 4294967190) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31361#(< 1 (mod (+ 4294967192 main_~x~0) 4294967296))} is VALID [2022-04-08 09:30:36,185 INFO L290 TraceCheckUtils]: 5: Hoare triple {30888#true} ~x~0 := 268435441; {31365#(< 1 (mod (+ main_~x~0 4294967190) 4294967296))} is VALID [2022-04-08 09:30:36,186 INFO L272 TraceCheckUtils]: 4: Hoare triple {30888#true} call #t~ret4 := main(); {30888#true} is VALID [2022-04-08 09:30:36,186 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {30888#true} {30888#true} #34#return; {30888#true} is VALID [2022-04-08 09:30:36,186 INFO L290 TraceCheckUtils]: 2: Hoare triple {30888#true} assume true; {30888#true} is VALID [2022-04-08 09:30:36,186 INFO L290 TraceCheckUtils]: 1: Hoare triple {30888#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(13, 2);call #Ultimate.allocInit(12, 3); {30888#true} is VALID [2022-04-08 09:30:36,186 INFO L272 TraceCheckUtils]: 0: Hoare triple {30888#true} call ULTIMATE.init(); {30888#true} is VALID [2022-04-08 09:30:36,186 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:30:36,187 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [570552297] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-08 09:30:36,187 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-08 09:30:36,187 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [57, 56, 56] total 112 [2022-04-08 09:30:36,187 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 09:30:36,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [707933645] [2022-04-08 09:30:36,187 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [707933645] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 09:30:36,187 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 09:30:36,187 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [57] imperfect sequences [] total 57 [2022-04-08 09:30:36,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698884756] [2022-04-08 09:30:36,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 09:30:36,188 INFO L78 Accepts]: Start accepts. Automaton has has 57 states, 57 states have (on average 1.0526315789473684) internal successors, (60), 56 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 [2022-04-08 09:30:36,188 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 09:30:36,188 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 57 states, 57 states have (on average 1.0526315789473684) internal successors, (60), 56 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) [2022-04-08 09:30:36,252 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 64 edges. 64 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:30:36,252 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2022-04-08 09:30:36,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 09:30:36,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2022-04-08 09:30:36,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3245, Invalid=9187, Unknown=0, NotChecked=0, Total=12432 [2022-04-08 09:30:36,254 INFO L87 Difference]: Start difference. First operand 65 states and 65 transitions. Second operand has 57 states, 57 states have (on average 1.0526315789473684) internal successors, (60), 56 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) [2022-04-08 09:30:42,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:30:42,170 INFO L93 Difference]: Finished difference Result 71 states and 71 transitions. [2022-04-08 09:30:42,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-04-08 09:30:42,170 INFO L78 Accepts]: Start accepts. Automaton has has 57 states, 57 states have (on average 1.0526315789473684) internal successors, (60), 56 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 [2022-04-08 09:30:42,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 09:30:42,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 57 states have (on average 1.0526315789473684) internal successors, (60), 56 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) [2022-04-08 09:30:42,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 71 transitions. [2022-04-08 09:30:42,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 57 states have (on average 1.0526315789473684) internal successors, (60), 56 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) [2022-04-08 09:30:42,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 71 transitions. [2022-04-08 09:30:42,172 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 57 states and 71 transitions. [2022-04-08 09:30:42,218 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 71 edges. 71 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:30:42,218 INFO L225 Difference]: With dead ends: 71 [2022-04-08 09:30:42,218 INFO L226 Difference]: Without dead ends: 66 [2022-04-08 09:30:42,220 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 75 SyntacticMatches, 1 SemanticMatches, 164 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1542 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=6483, Invalid=20907, Unknown=0, NotChecked=0, Total=27390 [2022-04-08 09:30:42,220 INFO L913 BasicCegarLoop]: 11 mSDtfsCounter, 6 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 2979 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 3088 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 2979 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-04-08 09:30:42,220 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 128 Invalid, 3088 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 2979 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-04-08 09:30:42,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2022-04-08 09:30:42,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2022-04-08 09:30:42,316 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 09:30:42,316 INFO L82 GeneralOperation]: Start isEquivalent. First operand 66 states. Second operand has 66 states, 61 states have (on average 1.0163934426229508) internal successors, (62), 61 states have internal predecessors, (62), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:30:42,316 INFO L74 IsIncluded]: Start isIncluded. First operand 66 states. Second operand has 66 states, 61 states have (on average 1.0163934426229508) internal successors, (62), 61 states have internal predecessors, (62), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:30:42,317 INFO L87 Difference]: Start difference. First operand 66 states. Second operand has 66 states, 61 states have (on average 1.0163934426229508) internal successors, (62), 61 states have internal predecessors, (62), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:30:42,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:30:42,317 INFO L93 Difference]: Finished difference Result 66 states and 66 transitions. [2022-04-08 09:30:42,317 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 66 transitions. [2022-04-08 09:30:42,318 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:30:42,318 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:30:42,318 INFO L74 IsIncluded]: Start isIncluded. First operand has 66 states, 61 states have (on average 1.0163934426229508) internal successors, (62), 61 states have internal predecessors, (62), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 66 states. [2022-04-08 09:30:42,318 INFO L87 Difference]: Start difference. First operand has 66 states, 61 states have (on average 1.0163934426229508) internal successors, (62), 61 states have internal predecessors, (62), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 66 states. [2022-04-08 09:30:42,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:30:42,319 INFO L93 Difference]: Finished difference Result 66 states and 66 transitions. [2022-04-08 09:30:42,319 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 66 transitions. [2022-04-08 09:30:42,319 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:30:42,319 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:30:42,319 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 09:30:42,319 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 09:30:42,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 61 states have (on average 1.0163934426229508) internal successors, (62), 61 states have internal predecessors, (62), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:30:42,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 66 transitions. [2022-04-08 09:30:42,320 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 66 transitions. Word has length 64 [2022-04-08 09:30:42,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 09:30:42,321 INFO L478 AbstractCegarLoop]: Abstraction has 66 states and 66 transitions. [2022-04-08 09:30:42,321 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 57 states have (on average 1.0526315789473684) internal successors, (60), 56 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) [2022-04-08 09:30:42,321 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 66 states and 66 transitions. [2022-04-08 09:30:42,377 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 66 edges. 66 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:30:42,377 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 66 transitions. [2022-04-08 09:30:42,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-04-08 09:30:42,378 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 09:30:42,378 INFO L499 BasicCegarLoop]: trace histogram [54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 09:30:42,394 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Forceful destruction successful, exit code 0 [2022-04-08 09:30:42,578 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 54 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable54 [2022-04-08 09:30:42,578 INFO L403 AbstractCegarLoop]: === Iteration 56 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 09:30:42,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 09:30:42,579 INFO L85 PathProgramCache]: Analyzing trace with hash 1874355100, now seen corresponding path program 107 times [2022-04-08 09:30:42,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 09:30:42,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1489341262] [2022-04-08 09:30:42,581 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-08 09:30:42,581 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-08 09:30:42,581 INFO L85 PathProgramCache]: Analyzing trace with hash 1874355100, now seen corresponding path program 108 times [2022-04-08 09:30:42,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 09:30:42,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209262361] [2022-04-08 09:30:42,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 09:30:42,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 09:30:42,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:30:44,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-08 09:30:44,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:30:44,196 INFO L290 TraceCheckUtils]: 0: Hoare triple {31960#(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(13, 2);call #Ultimate.allocInit(12, 3); {31900#true} is VALID [2022-04-08 09:30:44,196 INFO L290 TraceCheckUtils]: 1: Hoare triple {31900#true} assume true; {31900#true} is VALID [2022-04-08 09:30:44,196 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {31900#true} {31900#true} #34#return; {31900#true} is VALID [2022-04-08 09:30:44,197 INFO L272 TraceCheckUtils]: 0: Hoare triple {31900#true} call ULTIMATE.init(); {31960#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-08 09:30:44,197 INFO L290 TraceCheckUtils]: 1: Hoare triple {31960#(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(13, 2);call #Ultimate.allocInit(12, 3); {31900#true} is VALID [2022-04-08 09:30:44,197 INFO L290 TraceCheckUtils]: 2: Hoare triple {31900#true} assume true; {31900#true} is VALID [2022-04-08 09:30:44,197 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {31900#true} {31900#true} #34#return; {31900#true} is VALID [2022-04-08 09:30:44,197 INFO L272 TraceCheckUtils]: 4: Hoare triple {31900#true} call #t~ret4 := main(); {31900#true} is VALID [2022-04-08 09:30:44,197 INFO L290 TraceCheckUtils]: 5: Hoare triple {31900#true} ~x~0 := 268435441; {31905#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:30:44,198 INFO L290 TraceCheckUtils]: 6: Hoare triple {31905#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31906#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:30:44,198 INFO L290 TraceCheckUtils]: 7: Hoare triple {31906#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31907#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:30:44,199 INFO L290 TraceCheckUtils]: 8: Hoare triple {31907#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31908#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:30:44,199 INFO L290 TraceCheckUtils]: 9: Hoare triple {31908#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31909#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:30:44,200 INFO L290 TraceCheckUtils]: 10: Hoare triple {31909#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31910#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:30:44,201 INFO L290 TraceCheckUtils]: 11: Hoare triple {31910#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31911#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:30:44,201 INFO L290 TraceCheckUtils]: 12: Hoare triple {31911#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31912#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:30:44,202 INFO L290 TraceCheckUtils]: 13: Hoare triple {31912#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31913#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:30:44,202 INFO L290 TraceCheckUtils]: 14: Hoare triple {31913#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31914#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:30:44,203 INFO L290 TraceCheckUtils]: 15: Hoare triple {31914#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31915#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:30:44,203 INFO L290 TraceCheckUtils]: 16: Hoare triple {31915#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31916#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:30:44,204 INFO L290 TraceCheckUtils]: 17: Hoare triple {31916#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31917#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:30:44,204 INFO L290 TraceCheckUtils]: 18: Hoare triple {31917#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31918#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:30:44,205 INFO L290 TraceCheckUtils]: 19: Hoare triple {31918#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31919#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} is VALID [2022-04-08 09:30:44,205 INFO L290 TraceCheckUtils]: 20: Hoare triple {31919#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31920#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} is VALID [2022-04-08 09:30:44,206 INFO L290 TraceCheckUtils]: 21: Hoare triple {31920#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31921#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} is VALID [2022-04-08 09:30:44,206 INFO L290 TraceCheckUtils]: 22: Hoare triple {31921#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31922#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} is VALID [2022-04-08 09:30:44,207 INFO L290 TraceCheckUtils]: 23: Hoare triple {31922#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31923#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} is VALID [2022-04-08 09:30:44,207 INFO L290 TraceCheckUtils]: 24: Hoare triple {31923#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31924#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} is VALID [2022-04-08 09:30:44,208 INFO L290 TraceCheckUtils]: 25: Hoare triple {31924#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31925#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} is VALID [2022-04-08 09:30:44,208 INFO L290 TraceCheckUtils]: 26: Hoare triple {31925#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31926#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} is VALID [2022-04-08 09:30:44,209 INFO L290 TraceCheckUtils]: 27: Hoare triple {31926#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31927#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} is VALID [2022-04-08 09:30:44,209 INFO L290 TraceCheckUtils]: 28: Hoare triple {31927#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31928#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} is VALID [2022-04-08 09:30:44,210 INFO L290 TraceCheckUtils]: 29: Hoare triple {31928#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31929#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} is VALID [2022-04-08 09:30:44,210 INFO L290 TraceCheckUtils]: 30: Hoare triple {31929#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31930#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} is VALID [2022-04-08 09:30:44,211 INFO L290 TraceCheckUtils]: 31: Hoare triple {31930#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31931#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} is VALID [2022-04-08 09:30:44,211 INFO L290 TraceCheckUtils]: 32: Hoare triple {31931#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31932#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} is VALID [2022-04-08 09:30:44,212 INFO L290 TraceCheckUtils]: 33: Hoare triple {31932#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31933#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} is VALID [2022-04-08 09:30:44,212 INFO L290 TraceCheckUtils]: 34: Hoare triple {31933#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31934#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} is VALID [2022-04-08 09:30:44,213 INFO L290 TraceCheckUtils]: 35: Hoare triple {31934#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31935#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} is VALID [2022-04-08 09:30:44,213 INFO L290 TraceCheckUtils]: 36: Hoare triple {31935#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31936#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} is VALID [2022-04-08 09:30:44,214 INFO L290 TraceCheckUtils]: 37: Hoare triple {31936#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31937#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} is VALID [2022-04-08 09:30:44,215 INFO L290 TraceCheckUtils]: 38: Hoare triple {31937#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31938#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} is VALID [2022-04-08 09:30:44,215 INFO L290 TraceCheckUtils]: 39: Hoare triple {31938#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31939#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} is VALID [2022-04-08 09:30:44,216 INFO L290 TraceCheckUtils]: 40: Hoare triple {31939#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31940#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} is VALID [2022-04-08 09:30:44,216 INFO L290 TraceCheckUtils]: 41: Hoare triple {31940#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31941#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} is VALID [2022-04-08 09:30:44,217 INFO L290 TraceCheckUtils]: 42: Hoare triple {31941#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31942#(and (<= main_~x~0 268435367) (<= 268435367 main_~x~0))} is VALID [2022-04-08 09:30:44,217 INFO L290 TraceCheckUtils]: 43: Hoare triple {31942#(and (<= main_~x~0 268435367) (<= 268435367 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31943#(and (<= 268435365 main_~x~0) (<= main_~x~0 268435365))} is VALID [2022-04-08 09:30:44,218 INFO L290 TraceCheckUtils]: 44: Hoare triple {31943#(and (<= 268435365 main_~x~0) (<= main_~x~0 268435365))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31944#(and (<= 268435363 main_~x~0) (<= main_~x~0 268435363))} is VALID [2022-04-08 09:30:44,218 INFO L290 TraceCheckUtils]: 45: Hoare triple {31944#(and (<= 268435363 main_~x~0) (<= main_~x~0 268435363))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31945#(and (<= main_~x~0 268435361) (<= 268435361 main_~x~0))} is VALID [2022-04-08 09:30:44,219 INFO L290 TraceCheckUtils]: 46: Hoare triple {31945#(and (<= main_~x~0 268435361) (<= 268435361 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31946#(and (<= main_~x~0 268435359) (<= 268435359 main_~x~0))} is VALID [2022-04-08 09:30:44,219 INFO L290 TraceCheckUtils]: 47: Hoare triple {31946#(and (<= main_~x~0 268435359) (<= 268435359 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31947#(and (<= main_~x~0 268435357) (<= 268435357 main_~x~0))} is VALID [2022-04-08 09:30:44,220 INFO L290 TraceCheckUtils]: 48: Hoare triple {31947#(and (<= main_~x~0 268435357) (<= 268435357 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31948#(and (<= main_~x~0 268435355) (<= 268435355 main_~x~0))} is VALID [2022-04-08 09:30:44,220 INFO L290 TraceCheckUtils]: 49: Hoare triple {31948#(and (<= main_~x~0 268435355) (<= 268435355 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31949#(and (<= main_~x~0 268435353) (<= 268435353 main_~x~0))} is VALID [2022-04-08 09:30:44,221 INFO L290 TraceCheckUtils]: 50: Hoare triple {31949#(and (<= main_~x~0 268435353) (<= 268435353 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31950#(and (<= 268435351 main_~x~0) (<= main_~x~0 268435351))} is VALID [2022-04-08 09:30:44,221 INFO L290 TraceCheckUtils]: 51: Hoare triple {31950#(and (<= 268435351 main_~x~0) (<= main_~x~0 268435351))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31951#(and (<= 268435349 main_~x~0) (<= main_~x~0 268435349))} is VALID [2022-04-08 09:30:44,222 INFO L290 TraceCheckUtils]: 52: Hoare triple {31951#(and (<= 268435349 main_~x~0) (<= main_~x~0 268435349))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31952#(and (<= 268435347 main_~x~0) (<= main_~x~0 268435347))} is VALID [2022-04-08 09:30:44,222 INFO L290 TraceCheckUtils]: 53: Hoare triple {31952#(and (<= 268435347 main_~x~0) (<= main_~x~0 268435347))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31953#(and (<= main_~x~0 268435345) (<= 268435345 main_~x~0))} is VALID [2022-04-08 09:30:44,223 INFO L290 TraceCheckUtils]: 54: Hoare triple {31953#(and (<= main_~x~0 268435345) (<= 268435345 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31954#(and (<= main_~x~0 268435343) (<= 268435343 main_~x~0))} is VALID [2022-04-08 09:30:44,223 INFO L290 TraceCheckUtils]: 55: Hoare triple {31954#(and (<= main_~x~0 268435343) (<= 268435343 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31955#(and (<= 268435341 main_~x~0) (<= main_~x~0 268435341))} is VALID [2022-04-08 09:30:44,224 INFO L290 TraceCheckUtils]: 56: Hoare triple {31955#(and (<= 268435341 main_~x~0) (<= main_~x~0 268435341))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31956#(and (<= 268435339 main_~x~0) (<= main_~x~0 268435339))} is VALID [2022-04-08 09:30:44,224 INFO L290 TraceCheckUtils]: 57: Hoare triple {31956#(and (<= 268435339 main_~x~0) (<= main_~x~0 268435339))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31957#(and (<= main_~x~0 268435337) (<= 268435337 main_~x~0))} is VALID [2022-04-08 09:30:44,225 INFO L290 TraceCheckUtils]: 58: Hoare triple {31957#(and (<= main_~x~0 268435337) (<= 268435337 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31958#(and (<= main_~x~0 268435335) (<= 268435335 main_~x~0))} is VALID [2022-04-08 09:30:44,225 INFO L290 TraceCheckUtils]: 59: Hoare triple {31958#(and (<= main_~x~0 268435335) (<= 268435335 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31959#(and (<= (div main_~x~0 4294967296) 0) (<= 268435333 main_~x~0))} is VALID [2022-04-08 09:30:44,226 INFO L290 TraceCheckUtils]: 60: Hoare triple {31959#(and (<= (div main_~x~0 4294967296) 0) (<= 268435333 main_~x~0))} assume !(~x~0 % 4294967296 > 1); {31901#false} is VALID [2022-04-08 09:30:44,226 INFO L272 TraceCheckUtils]: 61: Hoare triple {31901#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)); {31901#false} is VALID [2022-04-08 09:30:44,226 INFO L290 TraceCheckUtils]: 62: Hoare triple {31901#false} ~cond := #in~cond; {31901#false} is VALID [2022-04-08 09:30:44,226 INFO L290 TraceCheckUtils]: 63: Hoare triple {31901#false} assume 0 == ~cond; {31901#false} is VALID [2022-04-08 09:30:44,226 INFO L290 TraceCheckUtils]: 64: Hoare triple {31901#false} assume !false; {31901#false} is VALID [2022-04-08 09:30:44,227 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:30:44,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 09:30:44,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209262361] [2022-04-08 09:30:44,227 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209262361] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-08 09:30:44,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1431108800] [2022-04-08 09:30:44,227 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-04-08 09:30:44,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 09:30:44,227 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 09:30:44,228 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) [2022-04-08 09:30:44,230 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (55)] Waiting until timeout for monitored process [2022-04-08 09:31:01,197 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 28 check-sat command(s) [2022-04-08 09:31:01,198 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 09:31:01,208 WARN L261 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 114 conjunts are in the unsatisfiable core [2022-04-08 09:31:01,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:31:01,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 09:31:01,812 INFO L272 TraceCheckUtils]: 0: Hoare triple {31900#true} call ULTIMATE.init(); {31900#true} is VALID [2022-04-08 09:31:01,812 INFO L290 TraceCheckUtils]: 1: Hoare triple {31900#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(13, 2);call #Ultimate.allocInit(12, 3); {31900#true} is VALID [2022-04-08 09:31:01,812 INFO L290 TraceCheckUtils]: 2: Hoare triple {31900#true} assume true; {31900#true} is VALID [2022-04-08 09:31:01,812 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {31900#true} {31900#true} #34#return; {31900#true} is VALID [2022-04-08 09:31:01,812 INFO L272 TraceCheckUtils]: 4: Hoare triple {31900#true} call #t~ret4 := main(); {31900#true} is VALID [2022-04-08 09:31:01,812 INFO L290 TraceCheckUtils]: 5: Hoare triple {31900#true} ~x~0 := 268435441; {31905#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:31:01,813 INFO L290 TraceCheckUtils]: 6: Hoare triple {31905#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31906#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:31:01,814 INFO L290 TraceCheckUtils]: 7: Hoare triple {31906#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31907#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:31:01,814 INFO L290 TraceCheckUtils]: 8: Hoare triple {31907#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31908#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:31:01,815 INFO L290 TraceCheckUtils]: 9: Hoare triple {31908#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31909#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:31:01,815 INFO L290 TraceCheckUtils]: 10: Hoare triple {31909#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31910#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:31:01,816 INFO L290 TraceCheckUtils]: 11: Hoare triple {31910#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31911#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:31:01,816 INFO L290 TraceCheckUtils]: 12: Hoare triple {31911#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31912#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:31:01,817 INFO L290 TraceCheckUtils]: 13: Hoare triple {31912#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31913#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:31:01,817 INFO L290 TraceCheckUtils]: 14: Hoare triple {31913#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31914#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:31:01,818 INFO L290 TraceCheckUtils]: 15: Hoare triple {31914#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31915#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:31:01,819 INFO L290 TraceCheckUtils]: 16: Hoare triple {31915#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31916#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:31:01,819 INFO L290 TraceCheckUtils]: 17: Hoare triple {31916#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31917#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:31:01,820 INFO L290 TraceCheckUtils]: 18: Hoare triple {31917#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31918#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:31:01,820 INFO L290 TraceCheckUtils]: 19: Hoare triple {31918#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31919#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} is VALID [2022-04-08 09:31:01,821 INFO L290 TraceCheckUtils]: 20: Hoare triple {31919#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31920#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} is VALID [2022-04-08 09:31:01,821 INFO L290 TraceCheckUtils]: 21: Hoare triple {31920#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31921#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} is VALID [2022-04-08 09:31:01,822 INFO L290 TraceCheckUtils]: 22: Hoare triple {31921#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31922#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} is VALID [2022-04-08 09:31:01,822 INFO L290 TraceCheckUtils]: 23: Hoare triple {31922#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31923#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} is VALID [2022-04-08 09:31:01,823 INFO L290 TraceCheckUtils]: 24: Hoare triple {31923#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31924#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} is VALID [2022-04-08 09:31:01,824 INFO L290 TraceCheckUtils]: 25: Hoare triple {31924#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31925#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} is VALID [2022-04-08 09:31:01,824 INFO L290 TraceCheckUtils]: 26: Hoare triple {31925#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31926#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} is VALID [2022-04-08 09:31:01,825 INFO L290 TraceCheckUtils]: 27: Hoare triple {31926#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31927#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} is VALID [2022-04-08 09:31:01,825 INFO L290 TraceCheckUtils]: 28: Hoare triple {31927#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31928#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} is VALID [2022-04-08 09:31:01,826 INFO L290 TraceCheckUtils]: 29: Hoare triple {31928#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31929#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} is VALID [2022-04-08 09:31:01,827 INFO L290 TraceCheckUtils]: 30: Hoare triple {31929#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31930#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} is VALID [2022-04-08 09:31:01,827 INFO L290 TraceCheckUtils]: 31: Hoare triple {31930#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31931#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} is VALID [2022-04-08 09:31:01,828 INFO L290 TraceCheckUtils]: 32: Hoare triple {31931#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31932#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} is VALID [2022-04-08 09:31:01,828 INFO L290 TraceCheckUtils]: 33: Hoare triple {31932#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31933#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} is VALID [2022-04-08 09:31:01,829 INFO L290 TraceCheckUtils]: 34: Hoare triple {31933#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31934#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} is VALID [2022-04-08 09:31:01,829 INFO L290 TraceCheckUtils]: 35: Hoare triple {31934#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31935#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} is VALID [2022-04-08 09:31:01,830 INFO L290 TraceCheckUtils]: 36: Hoare triple {31935#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31936#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} is VALID [2022-04-08 09:31:01,831 INFO L290 TraceCheckUtils]: 37: Hoare triple {31936#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31937#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} is VALID [2022-04-08 09:31:01,831 INFO L290 TraceCheckUtils]: 38: Hoare triple {31937#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31938#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} is VALID [2022-04-08 09:31:01,832 INFO L290 TraceCheckUtils]: 39: Hoare triple {31938#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31939#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} is VALID [2022-04-08 09:31:01,832 INFO L290 TraceCheckUtils]: 40: Hoare triple {31939#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31940#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} is VALID [2022-04-08 09:31:01,833 INFO L290 TraceCheckUtils]: 41: Hoare triple {31940#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31941#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} is VALID [2022-04-08 09:31:01,833 INFO L290 TraceCheckUtils]: 42: Hoare triple {31941#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31942#(and (<= main_~x~0 268435367) (<= 268435367 main_~x~0))} is VALID [2022-04-08 09:31:01,834 INFO L290 TraceCheckUtils]: 43: Hoare triple {31942#(and (<= main_~x~0 268435367) (<= 268435367 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31943#(and (<= 268435365 main_~x~0) (<= main_~x~0 268435365))} is VALID [2022-04-08 09:31:01,835 INFO L290 TraceCheckUtils]: 44: Hoare triple {31943#(and (<= 268435365 main_~x~0) (<= main_~x~0 268435365))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31944#(and (<= 268435363 main_~x~0) (<= main_~x~0 268435363))} is VALID [2022-04-08 09:31:01,835 INFO L290 TraceCheckUtils]: 45: Hoare triple {31944#(and (<= 268435363 main_~x~0) (<= main_~x~0 268435363))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31945#(and (<= main_~x~0 268435361) (<= 268435361 main_~x~0))} is VALID [2022-04-08 09:31:01,836 INFO L290 TraceCheckUtils]: 46: Hoare triple {31945#(and (<= main_~x~0 268435361) (<= 268435361 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31946#(and (<= main_~x~0 268435359) (<= 268435359 main_~x~0))} is VALID [2022-04-08 09:31:01,836 INFO L290 TraceCheckUtils]: 47: Hoare triple {31946#(and (<= main_~x~0 268435359) (<= 268435359 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31947#(and (<= main_~x~0 268435357) (<= 268435357 main_~x~0))} is VALID [2022-04-08 09:31:01,837 INFO L290 TraceCheckUtils]: 48: Hoare triple {31947#(and (<= main_~x~0 268435357) (<= 268435357 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31948#(and (<= main_~x~0 268435355) (<= 268435355 main_~x~0))} is VALID [2022-04-08 09:31:01,837 INFO L290 TraceCheckUtils]: 49: Hoare triple {31948#(and (<= main_~x~0 268435355) (<= 268435355 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31949#(and (<= main_~x~0 268435353) (<= 268435353 main_~x~0))} is VALID [2022-04-08 09:31:01,838 INFO L290 TraceCheckUtils]: 50: Hoare triple {31949#(and (<= main_~x~0 268435353) (<= 268435353 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31950#(and (<= 268435351 main_~x~0) (<= main_~x~0 268435351))} is VALID [2022-04-08 09:31:01,838 INFO L290 TraceCheckUtils]: 51: Hoare triple {31950#(and (<= 268435351 main_~x~0) (<= main_~x~0 268435351))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31951#(and (<= 268435349 main_~x~0) (<= main_~x~0 268435349))} is VALID [2022-04-08 09:31:01,839 INFO L290 TraceCheckUtils]: 52: Hoare triple {31951#(and (<= 268435349 main_~x~0) (<= main_~x~0 268435349))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31952#(and (<= 268435347 main_~x~0) (<= main_~x~0 268435347))} is VALID [2022-04-08 09:31:01,839 INFO L290 TraceCheckUtils]: 53: Hoare triple {31952#(and (<= 268435347 main_~x~0) (<= main_~x~0 268435347))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31953#(and (<= main_~x~0 268435345) (<= 268435345 main_~x~0))} is VALID [2022-04-08 09:31:01,840 INFO L290 TraceCheckUtils]: 54: Hoare triple {31953#(and (<= main_~x~0 268435345) (<= 268435345 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31954#(and (<= main_~x~0 268435343) (<= 268435343 main_~x~0))} is VALID [2022-04-08 09:31:01,840 INFO L290 TraceCheckUtils]: 55: Hoare triple {31954#(and (<= main_~x~0 268435343) (<= 268435343 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31955#(and (<= 268435341 main_~x~0) (<= main_~x~0 268435341))} is VALID [2022-04-08 09:31:01,841 INFO L290 TraceCheckUtils]: 56: Hoare triple {31955#(and (<= 268435341 main_~x~0) (<= main_~x~0 268435341))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31956#(and (<= 268435339 main_~x~0) (<= main_~x~0 268435339))} is VALID [2022-04-08 09:31:01,841 INFO L290 TraceCheckUtils]: 57: Hoare triple {31956#(and (<= 268435339 main_~x~0) (<= main_~x~0 268435339))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31957#(and (<= main_~x~0 268435337) (<= 268435337 main_~x~0))} is VALID [2022-04-08 09:31:01,842 INFO L290 TraceCheckUtils]: 58: Hoare triple {31957#(and (<= main_~x~0 268435337) (<= 268435337 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {31958#(and (<= main_~x~0 268435335) (<= 268435335 main_~x~0))} is VALID [2022-04-08 09:31:01,842 INFO L290 TraceCheckUtils]: 59: Hoare triple {31958#(and (<= main_~x~0 268435335) (<= 268435335 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32141#(and (<= 268435333 main_~x~0) (<= main_~x~0 268435333))} is VALID [2022-04-08 09:31:01,843 INFO L290 TraceCheckUtils]: 60: Hoare triple {32141#(and (<= 268435333 main_~x~0) (<= main_~x~0 268435333))} assume !(~x~0 % 4294967296 > 1); {31901#false} is VALID [2022-04-08 09:31:01,843 INFO L272 TraceCheckUtils]: 61: Hoare triple {31901#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)); {31901#false} is VALID [2022-04-08 09:31:01,843 INFO L290 TraceCheckUtils]: 62: Hoare triple {31901#false} ~cond := #in~cond; {31901#false} is VALID [2022-04-08 09:31:01,843 INFO L290 TraceCheckUtils]: 63: Hoare triple {31901#false} assume 0 == ~cond; {31901#false} is VALID [2022-04-08 09:31:01,843 INFO L290 TraceCheckUtils]: 64: Hoare triple {31901#false} assume !false; {31901#false} is VALID [2022-04-08 09:31:01,844 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:31:01,844 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 09:31:08,028 INFO L290 TraceCheckUtils]: 64: Hoare triple {31901#false} assume !false; {31901#false} is VALID [2022-04-08 09:31:08,028 INFO L290 TraceCheckUtils]: 63: Hoare triple {32160#(not (<= __VERIFIER_assert_~cond 0))} assume 0 == ~cond; {31901#false} is VALID [2022-04-08 09:31:08,029 INFO L290 TraceCheckUtils]: 62: Hoare triple {32164#(< 0 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {32160#(not (<= __VERIFIER_assert_~cond 0))} is VALID [2022-04-08 09:31:08,029 INFO L272 TraceCheckUtils]: 61: Hoare triple {32168#(= (mod main_~x~0 2) 0)} 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)); {32164#(< 0 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-08 09:31:08,030 INFO L290 TraceCheckUtils]: 60: Hoare triple {32172#(or (< 1 (mod main_~x~0 4294967296)) (= (mod main_~x~0 2) 0))} assume !(~x~0 % 4294967296 > 1); {32168#(= (mod main_~x~0 2) 0)} is VALID [2022-04-08 09:31:08,031 INFO L290 TraceCheckUtils]: 59: Hoare triple {32176#(or (< 1 (mod (+ main_~x~0 4294967294) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32172#(or (< 1 (mod main_~x~0 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:08,032 INFO L290 TraceCheckUtils]: 58: Hoare triple {32180#(or (< 1 (mod (+ 4294967292 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32176#(or (< 1 (mod (+ main_~x~0 4294967294) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:08,032 INFO L290 TraceCheckUtils]: 57: Hoare triple {32184#(or (< 1 (mod (+ 4294967290 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32180#(or (< 1 (mod (+ 4294967292 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:08,034 INFO L290 TraceCheckUtils]: 56: Hoare triple {32188#(or (< 1 (mod (+ 4294967288 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32184#(or (< 1 (mod (+ 4294967290 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:08,035 INFO L290 TraceCheckUtils]: 55: Hoare triple {32192#(or (< 1 (mod (+ main_~x~0 4294967286) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32188#(or (< 1 (mod (+ 4294967288 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:08,036 INFO L290 TraceCheckUtils]: 54: Hoare triple {32196#(or (< 1 (mod (+ main_~x~0 4294967284) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32192#(or (< 1 (mod (+ main_~x~0 4294967286) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:08,036 INFO L290 TraceCheckUtils]: 53: Hoare triple {32200#(or (< 1 (mod (+ 4294967282 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32196#(or (< 1 (mod (+ main_~x~0 4294967284) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:08,039 INFO L290 TraceCheckUtils]: 52: Hoare triple {32204#(or (< 1 (mod (+ main_~x~0 4294967280) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32200#(or (< 1 (mod (+ 4294967282 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:08,040 INFO L290 TraceCheckUtils]: 51: Hoare triple {32208#(or (< 1 (mod (+ main_~x~0 4294967278) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32204#(or (< 1 (mod (+ main_~x~0 4294967280) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:08,040 INFO L290 TraceCheckUtils]: 50: Hoare triple {32212#(or (< 1 (mod (+ 4294967276 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32208#(or (< 1 (mod (+ main_~x~0 4294967278) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:08,042 INFO L290 TraceCheckUtils]: 49: Hoare triple {32216#(or (< 1 (mod (+ 4294967274 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32212#(or (< 1 (mod (+ 4294967276 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:08,043 INFO L290 TraceCheckUtils]: 48: Hoare triple {32220#(or (< 1 (mod (+ 4294967272 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32216#(or (< 1 (mod (+ 4294967274 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:08,044 INFO L290 TraceCheckUtils]: 47: Hoare triple {32224#(or (< 1 (mod (+ main_~x~0 4294967270) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32220#(or (< 1 (mod (+ 4294967272 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:08,045 INFO L290 TraceCheckUtils]: 46: Hoare triple {32228#(or (< 1 (mod (+ main_~x~0 4294967268) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32224#(or (< 1 (mod (+ main_~x~0 4294967270) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:08,046 INFO L290 TraceCheckUtils]: 45: Hoare triple {32232#(or (< 1 (mod (+ main_~x~0 4294967266) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32228#(or (< 1 (mod (+ main_~x~0 4294967268) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:08,047 INFO L290 TraceCheckUtils]: 44: Hoare triple {32236#(or (< 1 (mod (+ main_~x~0 4294967264) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32232#(or (< 1 (mod (+ main_~x~0 4294967266) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:08,048 INFO L290 TraceCheckUtils]: 43: Hoare triple {32240#(or (< 1 (mod (+ main_~x~0 4294967262) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32236#(or (< 1 (mod (+ main_~x~0 4294967264) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:08,049 INFO L290 TraceCheckUtils]: 42: Hoare triple {32244#(or (< 1 (mod (+ 4294967260 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32240#(or (< 1 (mod (+ main_~x~0 4294967262) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:08,050 INFO L290 TraceCheckUtils]: 41: Hoare triple {32248#(or (< 1 (mod (+ main_~x~0 4294967258) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32244#(or (< 1 (mod (+ 4294967260 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:08,050 INFO L290 TraceCheckUtils]: 40: Hoare triple {32252#(or (< 1 (mod (+ main_~x~0 4294967256) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32248#(or (< 1 (mod (+ main_~x~0 4294967258) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:08,051 INFO L290 TraceCheckUtils]: 39: Hoare triple {32256#(or (< 1 (mod (+ 4294967254 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32252#(or (< 1 (mod (+ main_~x~0 4294967256) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:08,052 INFO L290 TraceCheckUtils]: 38: Hoare triple {32260#(or (< 1 (mod (+ main_~x~0 4294967252) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32256#(or (< 1 (mod (+ 4294967254 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:08,053 INFO L290 TraceCheckUtils]: 37: Hoare triple {32264#(or (< 1 (mod (+ 4294967250 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32260#(or (< 1 (mod (+ main_~x~0 4294967252) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:08,053 INFO L290 TraceCheckUtils]: 36: Hoare triple {32268#(or (< 1 (mod (+ main_~x~0 4294967248) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32264#(or (< 1 (mod (+ 4294967250 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:08,054 INFO L290 TraceCheckUtils]: 35: Hoare triple {32272#(or (< 1 (mod (+ 4294967246 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32268#(or (< 1 (mod (+ main_~x~0 4294967248) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:08,055 INFO L290 TraceCheckUtils]: 34: Hoare triple {32276#(or (< 1 (mod (+ main_~x~0 4294967244) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32272#(or (< 1 (mod (+ 4294967246 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:08,056 INFO L290 TraceCheckUtils]: 33: Hoare triple {32280#(or (< 1 (mod (+ main_~x~0 4294967242) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32276#(or (< 1 (mod (+ main_~x~0 4294967244) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:08,056 INFO L290 TraceCheckUtils]: 32: Hoare triple {32284#(or (< 1 (mod (+ 4294967240 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32280#(or (< 1 (mod (+ main_~x~0 4294967242) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:08,057 INFO L290 TraceCheckUtils]: 31: Hoare triple {32288#(or (< 1 (mod (+ 4294967238 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32284#(or (< 1 (mod (+ 4294967240 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:08,058 INFO L290 TraceCheckUtils]: 30: Hoare triple {32292#(or (< 1 (mod (+ main_~x~0 4294967236) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32288#(or (< 1 (mod (+ 4294967238 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:08,059 INFO L290 TraceCheckUtils]: 29: Hoare triple {32296#(or (< 1 (mod (+ main_~x~0 4294967234) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32292#(or (< 1 (mod (+ main_~x~0 4294967236) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:08,060 INFO L290 TraceCheckUtils]: 28: Hoare triple {32300#(or (< 1 (mod (+ main_~x~0 4294967232) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32296#(or (< 1 (mod (+ main_~x~0 4294967234) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:08,060 INFO L290 TraceCheckUtils]: 27: Hoare triple {32304#(or (< 1 (mod (+ 4294967230 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32300#(or (< 1 (mod (+ main_~x~0 4294967232) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:08,061 INFO L290 TraceCheckUtils]: 26: Hoare triple {32308#(or (< 1 (mod (+ main_~x~0 4294967228) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32304#(or (< 1 (mod (+ 4294967230 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:08,062 INFO L290 TraceCheckUtils]: 25: Hoare triple {32312#(or (< 1 (mod (+ main_~x~0 4294967226) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32308#(or (< 1 (mod (+ main_~x~0 4294967228) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:08,063 INFO L290 TraceCheckUtils]: 24: Hoare triple {32316#(or (< 1 (mod (+ 4294967224 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32312#(or (< 1 (mod (+ main_~x~0 4294967226) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:08,064 INFO L290 TraceCheckUtils]: 23: Hoare triple {32320#(or (< 1 (mod (+ main_~x~0 4294967222) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32316#(or (< 1 (mod (+ 4294967224 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:08,065 INFO L290 TraceCheckUtils]: 22: Hoare triple {32324#(or (< 1 (mod (+ main_~x~0 4294967220) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32320#(or (< 1 (mod (+ main_~x~0 4294967222) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:08,066 INFO L290 TraceCheckUtils]: 21: Hoare triple {32328#(or (< 1 (mod (+ 4294967218 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32324#(or (< 1 (mod (+ main_~x~0 4294967220) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:08,067 INFO L290 TraceCheckUtils]: 20: Hoare triple {32332#(or (< 1 (mod (+ 4294967216 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32328#(or (< 1 (mod (+ 4294967218 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:08,068 INFO L290 TraceCheckUtils]: 19: Hoare triple {32336#(or (< 1 (mod (+ main_~x~0 4294967214) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32332#(or (< 1 (mod (+ 4294967216 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:08,070 INFO L290 TraceCheckUtils]: 18: Hoare triple {32340#(or (< 1 (mod (+ 4294967212 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32336#(or (< 1 (mod (+ main_~x~0 4294967214) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:08,071 INFO L290 TraceCheckUtils]: 17: Hoare triple {32344#(or (< 1 (mod (+ 4294967210 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32340#(or (< 1 (mod (+ 4294967212 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:08,072 INFO L290 TraceCheckUtils]: 16: Hoare triple {32348#(or (< 1 (mod (+ main_~x~0 4294967208) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32344#(or (< 1 (mod (+ 4294967210 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:08,072 INFO L290 TraceCheckUtils]: 15: Hoare triple {32352#(or (< 1 (mod (+ 4294967206 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32348#(or (< 1 (mod (+ main_~x~0 4294967208) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:08,073 INFO L290 TraceCheckUtils]: 14: Hoare triple {32356#(or (< 1 (mod (+ main_~x~0 4294967204) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32352#(or (< 1 (mod (+ 4294967206 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:08,074 INFO L290 TraceCheckUtils]: 13: Hoare triple {32360#(or (< 1 (mod (+ 4294967202 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32356#(or (< 1 (mod (+ main_~x~0 4294967204) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:08,075 INFO L290 TraceCheckUtils]: 12: Hoare triple {32364#(or (< 1 (mod (+ 4294967200 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32360#(or (< 1 (mod (+ 4294967202 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:08,075 INFO L290 TraceCheckUtils]: 11: Hoare triple {32368#(or (< 1 (mod (+ 4294967198 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32364#(or (< 1 (mod (+ 4294967200 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:08,077 INFO L290 TraceCheckUtils]: 10: Hoare triple {32372#(or (< 1 (mod (+ 4294967196 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32368#(or (< 1 (mod (+ 4294967198 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:08,077 INFO L290 TraceCheckUtils]: 9: Hoare triple {32376#(or (< 1 (mod (+ 4294967194 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32372#(or (< 1 (mod (+ 4294967196 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:08,078 INFO L290 TraceCheckUtils]: 8: Hoare triple {32380#(or (< 1 (mod (+ 4294967192 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32376#(or (< 1 (mod (+ 4294967194 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:08,079 INFO L290 TraceCheckUtils]: 7: Hoare triple {32384#(or (< 1 (mod (+ main_~x~0 4294967190) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32380#(or (< 1 (mod (+ 4294967192 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:08,080 INFO L290 TraceCheckUtils]: 6: Hoare triple {32388#(or (< 1 (mod (+ 4294967188 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32384#(or (< 1 (mod (+ main_~x~0 4294967190) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:08,081 INFO L290 TraceCheckUtils]: 5: Hoare triple {31900#true} ~x~0 := 268435441; {32388#(or (< 1 (mod (+ 4294967188 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:08,081 INFO L272 TraceCheckUtils]: 4: Hoare triple {31900#true} call #t~ret4 := main(); {31900#true} is VALID [2022-04-08 09:31:08,081 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {31900#true} {31900#true} #34#return; {31900#true} is VALID [2022-04-08 09:31:08,081 INFO L290 TraceCheckUtils]: 2: Hoare triple {31900#true} assume true; {31900#true} is VALID [2022-04-08 09:31:08,081 INFO L290 TraceCheckUtils]: 1: Hoare triple {31900#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(13, 2);call #Ultimate.allocInit(12, 3); {31900#true} is VALID [2022-04-08 09:31:08,081 INFO L272 TraceCheckUtils]: 0: Hoare triple {31900#true} call ULTIMATE.init(); {31900#true} is VALID [2022-04-08 09:31:08,082 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:31:08,082 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1431108800] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-08 09:31:08,082 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-08 09:31:08,082 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [58, 57, 60] total 117 [2022-04-08 09:31:08,082 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 09:31:08,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1489341262] [2022-04-08 09:31:08,083 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1489341262] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 09:31:08,083 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 09:31:08,083 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [58] imperfect sequences [] total 58 [2022-04-08 09:31:08,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325665914] [2022-04-08 09:31:08,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 09:31:08,088 INFO L78 Accepts]: Start accepts. Automaton has has 58 states, 58 states have (on average 1.0517241379310345) internal successors, (61), 57 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 [2022-04-08 09:31:08,088 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 09:31:08,088 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 58 states, 58 states have (on average 1.0517241379310345) internal successors, (61), 57 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) [2022-04-08 09:31:08,126 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 65 edges. 65 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:31:08,127 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2022-04-08 09:31:08,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 09:31:08,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2022-04-08 09:31:08,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3421, Invalid=10151, Unknown=0, NotChecked=0, Total=13572 [2022-04-08 09:31:08,128 INFO L87 Difference]: Start difference. First operand 66 states and 66 transitions. Second operand has 58 states, 58 states have (on average 1.0517241379310345) internal successors, (61), 57 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) [2022-04-08 09:31:14,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:31:14,365 INFO L93 Difference]: Finished difference Result 72 states and 72 transitions. [2022-04-08 09:31:14,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-04-08 09:31:14,365 INFO L78 Accepts]: Start accepts. Automaton has has 58 states, 58 states have (on average 1.0517241379310345) internal successors, (61), 57 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 [2022-04-08 09:31:14,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 09:31:14,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 58 states have (on average 1.0517241379310345) internal successors, (61), 57 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) [2022-04-08 09:31:14,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 72 transitions. [2022-04-08 09:31:14,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 58 states have (on average 1.0517241379310345) internal successors, (61), 57 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) [2022-04-08 09:31:14,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 72 transitions. [2022-04-08 09:31:14,367 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 58 states and 72 transitions. [2022-04-08 09:31:14,420 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 72 edges. 72 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:31:14,421 INFO L225 Difference]: With dead ends: 72 [2022-04-08 09:31:14,421 INFO L226 Difference]: Without dead ends: 67 [2022-04-08 09:31:14,423 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 73 SyntacticMatches, 1 SemanticMatches, 170 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1604 ImplicationChecksByTransitivity, 8.7s TimeCoverageRelationStatistics Valid=6774, Invalid=22638, Unknown=0, NotChecked=0, Total=29412 [2022-04-08 09:31:14,423 INFO L913 BasicCegarLoop]: 11 mSDtfsCounter, 6 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 3122 mSolverCounterSat, 111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 3233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 3122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-04-08 09:31:14,423 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 163 Invalid, 3233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 3122 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-04-08 09:31:14,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-04-08 09:31:14,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2022-04-08 09:31:14,508 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 09:31:14,508 INFO L82 GeneralOperation]: Start isEquivalent. First operand 67 states. Second operand has 67 states, 62 states have (on average 1.0161290322580645) internal successors, (63), 62 states have internal predecessors, (63), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:31:14,508 INFO L74 IsIncluded]: Start isIncluded. First operand 67 states. Second operand has 67 states, 62 states have (on average 1.0161290322580645) internal successors, (63), 62 states have internal predecessors, (63), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:31:14,508 INFO L87 Difference]: Start difference. First operand 67 states. Second operand has 67 states, 62 states have (on average 1.0161290322580645) internal successors, (63), 62 states have internal predecessors, (63), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:31:14,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:31:14,509 INFO L93 Difference]: Finished difference Result 67 states and 67 transitions. [2022-04-08 09:31:14,509 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 67 transitions. [2022-04-08 09:31:14,510 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:31:14,510 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:31:14,510 INFO L74 IsIncluded]: Start isIncluded. First operand has 67 states, 62 states have (on average 1.0161290322580645) internal successors, (63), 62 states have internal predecessors, (63), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 67 states. [2022-04-08 09:31:14,510 INFO L87 Difference]: Start difference. First operand has 67 states, 62 states have (on average 1.0161290322580645) internal successors, (63), 62 states have internal predecessors, (63), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 67 states. [2022-04-08 09:31:14,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:31:14,511 INFO L93 Difference]: Finished difference Result 67 states and 67 transitions. [2022-04-08 09:31:14,511 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 67 transitions. [2022-04-08 09:31:14,511 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:31:14,511 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:31:14,511 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 09:31:14,511 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 09:31:14,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 62 states have (on average 1.0161290322580645) internal successors, (63), 62 states have internal predecessors, (63), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:31:14,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 67 transitions. [2022-04-08 09:31:14,512 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 67 transitions. Word has length 65 [2022-04-08 09:31:14,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 09:31:14,513 INFO L478 AbstractCegarLoop]: Abstraction has 67 states and 67 transitions. [2022-04-08 09:31:14,513 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 58 states have (on average 1.0517241379310345) internal successors, (61), 57 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) [2022-04-08 09:31:14,513 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 67 states and 67 transitions. [2022-04-08 09:31:14,580 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 67 edges. 67 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:31:14,580 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 67 transitions. [2022-04-08 09:31:14,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-04-08 09:31:14,580 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 09:31:14,580 INFO L499 BasicCegarLoop]: trace histogram [55, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 09:31:14,586 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (55)] Ended with exit code 0 [2022-04-08 09:31:14,783 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55,55 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 09:31:14,783 INFO L403 AbstractCegarLoop]: === Iteration 57 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 09:31:14,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 09:31:14,784 INFO L85 PathProgramCache]: Analyzing trace with hash -1988072778, now seen corresponding path program 109 times [2022-04-08 09:31:14,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 09:31:14,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1460522854] [2022-04-08 09:31:14,786 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-08 09:31:14,786 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-08 09:31:14,786 INFO L85 PathProgramCache]: Analyzing trace with hash -1988072778, now seen corresponding path program 110 times [2022-04-08 09:31:14,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 09:31:14,786 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8842905] [2022-04-08 09:31:14,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 09:31:14,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 09:31:14,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:31:16,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-08 09:31:16,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:31:16,414 INFO L290 TraceCheckUtils]: 0: Hoare triple {32992#(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(13, 2);call #Ultimate.allocInit(12, 3); {32931#true} is VALID [2022-04-08 09:31:16,415 INFO L290 TraceCheckUtils]: 1: Hoare triple {32931#true} assume true; {32931#true} is VALID [2022-04-08 09:31:16,415 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {32931#true} {32931#true} #34#return; {32931#true} is VALID [2022-04-08 09:31:16,415 INFO L272 TraceCheckUtils]: 0: Hoare triple {32931#true} call ULTIMATE.init(); {32992#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-08 09:31:16,415 INFO L290 TraceCheckUtils]: 1: Hoare triple {32992#(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(13, 2);call #Ultimate.allocInit(12, 3); {32931#true} is VALID [2022-04-08 09:31:16,416 INFO L290 TraceCheckUtils]: 2: Hoare triple {32931#true} assume true; {32931#true} is VALID [2022-04-08 09:31:16,416 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {32931#true} {32931#true} #34#return; {32931#true} is VALID [2022-04-08 09:31:16,416 INFO L272 TraceCheckUtils]: 4: Hoare triple {32931#true} call #t~ret4 := main(); {32931#true} is VALID [2022-04-08 09:31:16,416 INFO L290 TraceCheckUtils]: 5: Hoare triple {32931#true} ~x~0 := 268435441; {32936#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:31:16,417 INFO L290 TraceCheckUtils]: 6: Hoare triple {32936#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32937#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:31:16,418 INFO L290 TraceCheckUtils]: 7: Hoare triple {32937#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32938#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:31:16,418 INFO L290 TraceCheckUtils]: 8: Hoare triple {32938#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32939#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:31:16,419 INFO L290 TraceCheckUtils]: 9: Hoare triple {32939#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32940#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:31:16,420 INFO L290 TraceCheckUtils]: 10: Hoare triple {32940#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32941#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:31:16,420 INFO L290 TraceCheckUtils]: 11: Hoare triple {32941#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32942#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:31:16,421 INFO L290 TraceCheckUtils]: 12: Hoare triple {32942#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32943#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:31:16,422 INFO L290 TraceCheckUtils]: 13: Hoare triple {32943#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32944#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:31:16,422 INFO L290 TraceCheckUtils]: 14: Hoare triple {32944#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32945#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:31:16,423 INFO L290 TraceCheckUtils]: 15: Hoare triple {32945#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32946#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:31:16,424 INFO L290 TraceCheckUtils]: 16: Hoare triple {32946#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32947#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:31:16,424 INFO L290 TraceCheckUtils]: 17: Hoare triple {32947#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32948#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:31:16,425 INFO L290 TraceCheckUtils]: 18: Hoare triple {32948#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32949#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:31:16,425 INFO L290 TraceCheckUtils]: 19: Hoare triple {32949#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32950#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} is VALID [2022-04-08 09:31:16,426 INFO L290 TraceCheckUtils]: 20: Hoare triple {32950#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32951#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} is VALID [2022-04-08 09:31:16,427 INFO L290 TraceCheckUtils]: 21: Hoare triple {32951#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32952#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} is VALID [2022-04-08 09:31:16,427 INFO L290 TraceCheckUtils]: 22: Hoare triple {32952#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32953#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} is VALID [2022-04-08 09:31:16,428 INFO L290 TraceCheckUtils]: 23: Hoare triple {32953#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32954#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} is VALID [2022-04-08 09:31:16,429 INFO L290 TraceCheckUtils]: 24: Hoare triple {32954#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32955#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} is VALID [2022-04-08 09:31:16,429 INFO L290 TraceCheckUtils]: 25: Hoare triple {32955#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32956#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} is VALID [2022-04-08 09:31:16,430 INFO L290 TraceCheckUtils]: 26: Hoare triple {32956#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32957#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} is VALID [2022-04-08 09:31:16,431 INFO L290 TraceCheckUtils]: 27: Hoare triple {32957#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32958#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} is VALID [2022-04-08 09:31:16,431 INFO L290 TraceCheckUtils]: 28: Hoare triple {32958#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32959#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} is VALID [2022-04-08 09:31:16,432 INFO L290 TraceCheckUtils]: 29: Hoare triple {32959#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32960#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} is VALID [2022-04-08 09:31:16,433 INFO L290 TraceCheckUtils]: 30: Hoare triple {32960#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32961#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} is VALID [2022-04-08 09:31:16,433 INFO L290 TraceCheckUtils]: 31: Hoare triple {32961#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32962#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} is VALID [2022-04-08 09:31:16,434 INFO L290 TraceCheckUtils]: 32: Hoare triple {32962#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32963#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} is VALID [2022-04-08 09:31:16,434 INFO L290 TraceCheckUtils]: 33: Hoare triple {32963#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32964#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} is VALID [2022-04-08 09:31:16,435 INFO L290 TraceCheckUtils]: 34: Hoare triple {32964#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32965#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} is VALID [2022-04-08 09:31:16,436 INFO L290 TraceCheckUtils]: 35: Hoare triple {32965#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32966#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} is VALID [2022-04-08 09:31:16,436 INFO L290 TraceCheckUtils]: 36: Hoare triple {32966#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32967#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} is VALID [2022-04-08 09:31:16,437 INFO L290 TraceCheckUtils]: 37: Hoare triple {32967#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32968#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} is VALID [2022-04-08 09:31:16,438 INFO L290 TraceCheckUtils]: 38: Hoare triple {32968#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32969#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} is VALID [2022-04-08 09:31:16,438 INFO L290 TraceCheckUtils]: 39: Hoare triple {32969#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32970#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} is VALID [2022-04-08 09:31:16,439 INFO L290 TraceCheckUtils]: 40: Hoare triple {32970#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32971#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} is VALID [2022-04-08 09:31:16,440 INFO L290 TraceCheckUtils]: 41: Hoare triple {32971#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32972#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} is VALID [2022-04-08 09:31:16,440 INFO L290 TraceCheckUtils]: 42: Hoare triple {32972#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32973#(and (<= main_~x~0 268435367) (<= 268435367 main_~x~0))} is VALID [2022-04-08 09:31:16,441 INFO L290 TraceCheckUtils]: 43: Hoare triple {32973#(and (<= main_~x~0 268435367) (<= 268435367 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32974#(and (<= 268435365 main_~x~0) (<= main_~x~0 268435365))} is VALID [2022-04-08 09:31:16,442 INFO L290 TraceCheckUtils]: 44: Hoare triple {32974#(and (<= 268435365 main_~x~0) (<= main_~x~0 268435365))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32975#(and (<= 268435363 main_~x~0) (<= main_~x~0 268435363))} is VALID [2022-04-08 09:31:16,442 INFO L290 TraceCheckUtils]: 45: Hoare triple {32975#(and (<= 268435363 main_~x~0) (<= main_~x~0 268435363))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32976#(and (<= main_~x~0 268435361) (<= 268435361 main_~x~0))} is VALID [2022-04-08 09:31:16,443 INFO L290 TraceCheckUtils]: 46: Hoare triple {32976#(and (<= main_~x~0 268435361) (<= 268435361 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32977#(and (<= main_~x~0 268435359) (<= 268435359 main_~x~0))} is VALID [2022-04-08 09:31:16,443 INFO L290 TraceCheckUtils]: 47: Hoare triple {32977#(and (<= main_~x~0 268435359) (<= 268435359 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32978#(and (<= main_~x~0 268435357) (<= 268435357 main_~x~0))} is VALID [2022-04-08 09:31:16,444 INFO L290 TraceCheckUtils]: 48: Hoare triple {32978#(and (<= main_~x~0 268435357) (<= 268435357 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32979#(and (<= main_~x~0 268435355) (<= 268435355 main_~x~0))} is VALID [2022-04-08 09:31:16,445 INFO L290 TraceCheckUtils]: 49: Hoare triple {32979#(and (<= main_~x~0 268435355) (<= 268435355 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32980#(and (<= main_~x~0 268435353) (<= 268435353 main_~x~0))} is VALID [2022-04-08 09:31:16,445 INFO L290 TraceCheckUtils]: 50: Hoare triple {32980#(and (<= main_~x~0 268435353) (<= 268435353 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32981#(and (<= 268435351 main_~x~0) (<= main_~x~0 268435351))} is VALID [2022-04-08 09:31:16,446 INFO L290 TraceCheckUtils]: 51: Hoare triple {32981#(and (<= 268435351 main_~x~0) (<= main_~x~0 268435351))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32982#(and (<= 268435349 main_~x~0) (<= main_~x~0 268435349))} is VALID [2022-04-08 09:31:16,447 INFO L290 TraceCheckUtils]: 52: Hoare triple {32982#(and (<= 268435349 main_~x~0) (<= main_~x~0 268435349))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32983#(and (<= 268435347 main_~x~0) (<= main_~x~0 268435347))} is VALID [2022-04-08 09:31:16,447 INFO L290 TraceCheckUtils]: 53: Hoare triple {32983#(and (<= 268435347 main_~x~0) (<= main_~x~0 268435347))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32984#(and (<= main_~x~0 268435345) (<= 268435345 main_~x~0))} is VALID [2022-04-08 09:31:16,448 INFO L290 TraceCheckUtils]: 54: Hoare triple {32984#(and (<= main_~x~0 268435345) (<= 268435345 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32985#(and (<= main_~x~0 268435343) (<= 268435343 main_~x~0))} is VALID [2022-04-08 09:31:16,449 INFO L290 TraceCheckUtils]: 55: Hoare triple {32985#(and (<= main_~x~0 268435343) (<= 268435343 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32986#(and (<= 268435341 main_~x~0) (<= main_~x~0 268435341))} is VALID [2022-04-08 09:31:16,449 INFO L290 TraceCheckUtils]: 56: Hoare triple {32986#(and (<= 268435341 main_~x~0) (<= main_~x~0 268435341))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32987#(and (<= 268435339 main_~x~0) (<= main_~x~0 268435339))} is VALID [2022-04-08 09:31:16,450 INFO L290 TraceCheckUtils]: 57: Hoare triple {32987#(and (<= 268435339 main_~x~0) (<= main_~x~0 268435339))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32988#(and (<= main_~x~0 268435337) (<= 268435337 main_~x~0))} is VALID [2022-04-08 09:31:16,451 INFO L290 TraceCheckUtils]: 58: Hoare triple {32988#(and (<= main_~x~0 268435337) (<= 268435337 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32989#(and (<= main_~x~0 268435335) (<= 268435335 main_~x~0))} is VALID [2022-04-08 09:31:16,451 INFO L290 TraceCheckUtils]: 59: Hoare triple {32989#(and (<= main_~x~0 268435335) (<= 268435335 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32990#(and (<= 268435333 main_~x~0) (<= main_~x~0 268435333))} is VALID [2022-04-08 09:31:16,452 INFO L290 TraceCheckUtils]: 60: Hoare triple {32990#(and (<= 268435333 main_~x~0) (<= main_~x~0 268435333))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32991#(and (<= 268435331 main_~x~0) (<= (div main_~x~0 4294967296) 0))} is VALID [2022-04-08 09:31:16,453 INFO L290 TraceCheckUtils]: 61: Hoare triple {32991#(and (<= 268435331 main_~x~0) (<= (div main_~x~0 4294967296) 0))} assume !(~x~0 % 4294967296 > 1); {32932#false} is VALID [2022-04-08 09:31:16,453 INFO L272 TraceCheckUtils]: 62: Hoare triple {32932#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)); {32932#false} is VALID [2022-04-08 09:31:16,453 INFO L290 TraceCheckUtils]: 63: Hoare triple {32932#false} ~cond := #in~cond; {32932#false} is VALID [2022-04-08 09:31:16,453 INFO L290 TraceCheckUtils]: 64: Hoare triple {32932#false} assume 0 == ~cond; {32932#false} is VALID [2022-04-08 09:31:16,453 INFO L290 TraceCheckUtils]: 65: Hoare triple {32932#false} assume !false; {32932#false} is VALID [2022-04-08 09:31:16,454 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:31:16,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 09:31:16,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8842905] [2022-04-08 09:31:16,454 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8842905] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-08 09:31:16,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [422333985] [2022-04-08 09:31:16,454 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-08 09:31:16,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 09:31:16,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 09:31:16,460 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) [2022-04-08 09:31:16,461 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (56)] Waiting until timeout for monitored process [2022-04-08 09:31:16,528 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-08 09:31:16,529 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 09:31:16,530 WARN L261 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 116 conjunts are in the unsatisfiable core [2022-04-08 09:31:16,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:31:16,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 09:31:17,134 INFO L272 TraceCheckUtils]: 0: Hoare triple {32931#true} call ULTIMATE.init(); {32931#true} is VALID [2022-04-08 09:31:17,134 INFO L290 TraceCheckUtils]: 1: Hoare triple {32931#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(13, 2);call #Ultimate.allocInit(12, 3); {32931#true} is VALID [2022-04-08 09:31:17,135 INFO L290 TraceCheckUtils]: 2: Hoare triple {32931#true} assume true; {32931#true} is VALID [2022-04-08 09:31:17,135 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {32931#true} {32931#true} #34#return; {32931#true} is VALID [2022-04-08 09:31:17,135 INFO L272 TraceCheckUtils]: 4: Hoare triple {32931#true} call #t~ret4 := main(); {32931#true} is VALID [2022-04-08 09:31:17,135 INFO L290 TraceCheckUtils]: 5: Hoare triple {32931#true} ~x~0 := 268435441; {32936#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:31:17,136 INFO L290 TraceCheckUtils]: 6: Hoare triple {32936#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32937#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:31:17,136 INFO L290 TraceCheckUtils]: 7: Hoare triple {32937#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32938#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:31:17,137 INFO L290 TraceCheckUtils]: 8: Hoare triple {32938#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32939#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:31:17,137 INFO L290 TraceCheckUtils]: 9: Hoare triple {32939#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32940#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:31:17,138 INFO L290 TraceCheckUtils]: 10: Hoare triple {32940#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32941#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:31:17,138 INFO L290 TraceCheckUtils]: 11: Hoare triple {32941#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32942#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:31:17,139 INFO L290 TraceCheckUtils]: 12: Hoare triple {32942#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32943#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:31:17,139 INFO L290 TraceCheckUtils]: 13: Hoare triple {32943#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32944#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:31:17,140 INFO L290 TraceCheckUtils]: 14: Hoare triple {32944#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32945#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:31:17,140 INFO L290 TraceCheckUtils]: 15: Hoare triple {32945#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32946#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:31:17,141 INFO L290 TraceCheckUtils]: 16: Hoare triple {32946#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32947#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:31:17,141 INFO L290 TraceCheckUtils]: 17: Hoare triple {32947#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32948#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:31:17,142 INFO L290 TraceCheckUtils]: 18: Hoare triple {32948#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32949#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:31:17,142 INFO L290 TraceCheckUtils]: 19: Hoare triple {32949#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32950#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} is VALID [2022-04-08 09:31:17,143 INFO L290 TraceCheckUtils]: 20: Hoare triple {32950#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32951#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} is VALID [2022-04-08 09:31:17,143 INFO L290 TraceCheckUtils]: 21: Hoare triple {32951#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32952#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} is VALID [2022-04-08 09:31:17,144 INFO L290 TraceCheckUtils]: 22: Hoare triple {32952#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32953#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} is VALID [2022-04-08 09:31:17,144 INFO L290 TraceCheckUtils]: 23: Hoare triple {32953#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32954#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} is VALID [2022-04-08 09:31:17,145 INFO L290 TraceCheckUtils]: 24: Hoare triple {32954#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32955#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} is VALID [2022-04-08 09:31:17,146 INFO L290 TraceCheckUtils]: 25: Hoare triple {32955#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32956#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} is VALID [2022-04-08 09:31:17,146 INFO L290 TraceCheckUtils]: 26: Hoare triple {32956#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32957#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} is VALID [2022-04-08 09:31:17,147 INFO L290 TraceCheckUtils]: 27: Hoare triple {32957#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32958#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} is VALID [2022-04-08 09:31:17,147 INFO L290 TraceCheckUtils]: 28: Hoare triple {32958#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32959#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} is VALID [2022-04-08 09:31:17,148 INFO L290 TraceCheckUtils]: 29: Hoare triple {32959#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32960#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} is VALID [2022-04-08 09:31:17,148 INFO L290 TraceCheckUtils]: 30: Hoare triple {32960#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32961#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} is VALID [2022-04-08 09:31:17,149 INFO L290 TraceCheckUtils]: 31: Hoare triple {32961#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32962#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} is VALID [2022-04-08 09:31:17,149 INFO L290 TraceCheckUtils]: 32: Hoare triple {32962#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32963#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} is VALID [2022-04-08 09:31:17,150 INFO L290 TraceCheckUtils]: 33: Hoare triple {32963#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32964#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} is VALID [2022-04-08 09:31:17,150 INFO L290 TraceCheckUtils]: 34: Hoare triple {32964#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32965#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} is VALID [2022-04-08 09:31:17,151 INFO L290 TraceCheckUtils]: 35: Hoare triple {32965#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32966#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} is VALID [2022-04-08 09:31:17,151 INFO L290 TraceCheckUtils]: 36: Hoare triple {32966#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32967#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} is VALID [2022-04-08 09:31:17,152 INFO L290 TraceCheckUtils]: 37: Hoare triple {32967#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32968#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} is VALID [2022-04-08 09:31:17,152 INFO L290 TraceCheckUtils]: 38: Hoare triple {32968#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32969#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} is VALID [2022-04-08 09:31:17,153 INFO L290 TraceCheckUtils]: 39: Hoare triple {32969#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32970#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} is VALID [2022-04-08 09:31:17,153 INFO L290 TraceCheckUtils]: 40: Hoare triple {32970#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32971#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} is VALID [2022-04-08 09:31:17,154 INFO L290 TraceCheckUtils]: 41: Hoare triple {32971#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32972#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} is VALID [2022-04-08 09:31:17,154 INFO L290 TraceCheckUtils]: 42: Hoare triple {32972#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32973#(and (<= main_~x~0 268435367) (<= 268435367 main_~x~0))} is VALID [2022-04-08 09:31:17,155 INFO L290 TraceCheckUtils]: 43: Hoare triple {32973#(and (<= main_~x~0 268435367) (<= 268435367 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32974#(and (<= 268435365 main_~x~0) (<= main_~x~0 268435365))} is VALID [2022-04-08 09:31:17,155 INFO L290 TraceCheckUtils]: 44: Hoare triple {32974#(and (<= 268435365 main_~x~0) (<= main_~x~0 268435365))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32975#(and (<= 268435363 main_~x~0) (<= main_~x~0 268435363))} is VALID [2022-04-08 09:31:17,156 INFO L290 TraceCheckUtils]: 45: Hoare triple {32975#(and (<= 268435363 main_~x~0) (<= main_~x~0 268435363))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32976#(and (<= main_~x~0 268435361) (<= 268435361 main_~x~0))} is VALID [2022-04-08 09:31:17,156 INFO L290 TraceCheckUtils]: 46: Hoare triple {32976#(and (<= main_~x~0 268435361) (<= 268435361 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32977#(and (<= main_~x~0 268435359) (<= 268435359 main_~x~0))} is VALID [2022-04-08 09:31:17,157 INFO L290 TraceCheckUtils]: 47: Hoare triple {32977#(and (<= main_~x~0 268435359) (<= 268435359 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32978#(and (<= main_~x~0 268435357) (<= 268435357 main_~x~0))} is VALID [2022-04-08 09:31:17,157 INFO L290 TraceCheckUtils]: 48: Hoare triple {32978#(and (<= main_~x~0 268435357) (<= 268435357 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32979#(and (<= main_~x~0 268435355) (<= 268435355 main_~x~0))} is VALID [2022-04-08 09:31:17,158 INFO L290 TraceCheckUtils]: 49: Hoare triple {32979#(and (<= main_~x~0 268435355) (<= 268435355 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32980#(and (<= main_~x~0 268435353) (<= 268435353 main_~x~0))} is VALID [2022-04-08 09:31:17,158 INFO L290 TraceCheckUtils]: 50: Hoare triple {32980#(and (<= main_~x~0 268435353) (<= 268435353 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32981#(and (<= 268435351 main_~x~0) (<= main_~x~0 268435351))} is VALID [2022-04-08 09:31:17,159 INFO L290 TraceCheckUtils]: 51: Hoare triple {32981#(and (<= 268435351 main_~x~0) (<= main_~x~0 268435351))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32982#(and (<= 268435349 main_~x~0) (<= main_~x~0 268435349))} is VALID [2022-04-08 09:31:17,159 INFO L290 TraceCheckUtils]: 52: Hoare triple {32982#(and (<= 268435349 main_~x~0) (<= main_~x~0 268435349))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32983#(and (<= 268435347 main_~x~0) (<= main_~x~0 268435347))} is VALID [2022-04-08 09:31:17,160 INFO L290 TraceCheckUtils]: 53: Hoare triple {32983#(and (<= 268435347 main_~x~0) (<= main_~x~0 268435347))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32984#(and (<= main_~x~0 268435345) (<= 268435345 main_~x~0))} is VALID [2022-04-08 09:31:17,160 INFO L290 TraceCheckUtils]: 54: Hoare triple {32984#(and (<= main_~x~0 268435345) (<= 268435345 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32985#(and (<= main_~x~0 268435343) (<= 268435343 main_~x~0))} is VALID [2022-04-08 09:31:17,161 INFO L290 TraceCheckUtils]: 55: Hoare triple {32985#(and (<= main_~x~0 268435343) (<= 268435343 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32986#(and (<= 268435341 main_~x~0) (<= main_~x~0 268435341))} is VALID [2022-04-08 09:31:17,161 INFO L290 TraceCheckUtils]: 56: Hoare triple {32986#(and (<= 268435341 main_~x~0) (<= main_~x~0 268435341))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32987#(and (<= 268435339 main_~x~0) (<= main_~x~0 268435339))} is VALID [2022-04-08 09:31:17,162 INFO L290 TraceCheckUtils]: 57: Hoare triple {32987#(and (<= 268435339 main_~x~0) (<= main_~x~0 268435339))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32988#(and (<= main_~x~0 268435337) (<= 268435337 main_~x~0))} is VALID [2022-04-08 09:31:17,162 INFO L290 TraceCheckUtils]: 58: Hoare triple {32988#(and (<= main_~x~0 268435337) (<= 268435337 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32989#(and (<= main_~x~0 268435335) (<= 268435335 main_~x~0))} is VALID [2022-04-08 09:31:17,163 INFO L290 TraceCheckUtils]: 59: Hoare triple {32989#(and (<= main_~x~0 268435335) (<= 268435335 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {32990#(and (<= 268435333 main_~x~0) (<= main_~x~0 268435333))} is VALID [2022-04-08 09:31:17,164 INFO L290 TraceCheckUtils]: 60: Hoare triple {32990#(and (<= 268435333 main_~x~0) (<= main_~x~0 268435333))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {33176#(and (<= 268435331 main_~x~0) (<= main_~x~0 268435331))} is VALID [2022-04-08 09:31:17,164 INFO L290 TraceCheckUtils]: 61: Hoare triple {33176#(and (<= 268435331 main_~x~0) (<= main_~x~0 268435331))} assume !(~x~0 % 4294967296 > 1); {32932#false} is VALID [2022-04-08 09:31:17,164 INFO L272 TraceCheckUtils]: 62: Hoare triple {32932#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)); {32932#false} is VALID [2022-04-08 09:31:17,164 INFO L290 TraceCheckUtils]: 63: Hoare triple {32932#false} ~cond := #in~cond; {32932#false} is VALID [2022-04-08 09:31:17,164 INFO L290 TraceCheckUtils]: 64: Hoare triple {32932#false} assume 0 == ~cond; {32932#false} is VALID [2022-04-08 09:31:17,164 INFO L290 TraceCheckUtils]: 65: Hoare triple {32932#false} assume !false; {32932#false} is VALID [2022-04-08 09:31:17,165 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:31:17,165 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 09:31:23,484 INFO L290 TraceCheckUtils]: 65: Hoare triple {32932#false} assume !false; {32932#false} is VALID [2022-04-08 09:31:23,485 INFO L290 TraceCheckUtils]: 64: Hoare triple {33195#(not (<= __VERIFIER_assert_~cond 0))} assume 0 == ~cond; {32932#false} is VALID [2022-04-08 09:31:23,485 INFO L290 TraceCheckUtils]: 63: Hoare triple {33199#(< 0 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {33195#(not (<= __VERIFIER_assert_~cond 0))} is VALID [2022-04-08 09:31:23,486 INFO L272 TraceCheckUtils]: 62: Hoare triple {33203#(= (mod main_~x~0 2) 0)} 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)); {33199#(< 0 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-08 09:31:23,486 INFO L290 TraceCheckUtils]: 61: Hoare triple {33207#(or (< 1 (mod main_~x~0 4294967296)) (= (mod main_~x~0 2) 0))} assume !(~x~0 % 4294967296 > 1); {33203#(= (mod main_~x~0 2) 0)} is VALID [2022-04-08 09:31:23,488 INFO L290 TraceCheckUtils]: 60: Hoare triple {33211#(or (< 1 (mod (+ main_~x~0 4294967294) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {33207#(or (< 1 (mod main_~x~0 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:23,489 INFO L290 TraceCheckUtils]: 59: Hoare triple {33215#(or (< 1 (mod (+ 4294967292 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {33211#(or (< 1 (mod (+ main_~x~0 4294967294) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:23,490 INFO L290 TraceCheckUtils]: 58: Hoare triple {33219#(or (< 1 (mod (+ 4294967290 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {33215#(or (< 1 (mod (+ 4294967292 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:23,491 INFO L290 TraceCheckUtils]: 57: Hoare triple {33223#(or (< 1 (mod (+ 4294967288 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {33219#(or (< 1 (mod (+ 4294967290 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:23,492 INFO L290 TraceCheckUtils]: 56: Hoare triple {33227#(or (< 1 (mod (+ main_~x~0 4294967286) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {33223#(or (< 1 (mod (+ 4294967288 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:23,493 INFO L290 TraceCheckUtils]: 55: Hoare triple {33231#(or (< 1 (mod (+ main_~x~0 4294967284) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {33227#(or (< 1 (mod (+ main_~x~0 4294967286) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:23,494 INFO L290 TraceCheckUtils]: 54: Hoare triple {33235#(or (< 1 (mod (+ 4294967282 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {33231#(or (< 1 (mod (+ main_~x~0 4294967284) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:23,495 INFO L290 TraceCheckUtils]: 53: Hoare triple {33239#(or (< 1 (mod (+ main_~x~0 4294967280) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {33235#(or (< 1 (mod (+ 4294967282 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:23,496 INFO L290 TraceCheckUtils]: 52: Hoare triple {33243#(or (< 1 (mod (+ main_~x~0 4294967278) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {33239#(or (< 1 (mod (+ main_~x~0 4294967280) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:23,496 INFO L290 TraceCheckUtils]: 51: Hoare triple {33247#(or (< 1 (mod (+ 4294967276 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {33243#(or (< 1 (mod (+ main_~x~0 4294967278) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:23,497 INFO L290 TraceCheckUtils]: 50: Hoare triple {33251#(or (< 1 (mod (+ 4294967274 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {33247#(or (< 1 (mod (+ 4294967276 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:23,498 INFO L290 TraceCheckUtils]: 49: Hoare triple {33255#(or (< 1 (mod (+ 4294967272 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {33251#(or (< 1 (mod (+ 4294967274 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:23,499 INFO L290 TraceCheckUtils]: 48: Hoare triple {33259#(or (< 1 (mod (+ main_~x~0 4294967270) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {33255#(or (< 1 (mod (+ 4294967272 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:23,500 INFO L290 TraceCheckUtils]: 47: Hoare triple {33263#(or (< 1 (mod (+ main_~x~0 4294967268) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {33259#(or (< 1 (mod (+ main_~x~0 4294967270) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:23,502 INFO L290 TraceCheckUtils]: 46: Hoare triple {33267#(or (< 1 (mod (+ main_~x~0 4294967266) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {33263#(or (< 1 (mod (+ main_~x~0 4294967268) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:23,502 INFO L290 TraceCheckUtils]: 45: Hoare triple {33271#(or (< 1 (mod (+ main_~x~0 4294967264) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {33267#(or (< 1 (mod (+ main_~x~0 4294967266) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:23,503 INFO L290 TraceCheckUtils]: 44: Hoare triple {33275#(or (< 1 (mod (+ main_~x~0 4294967262) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {33271#(or (< 1 (mod (+ main_~x~0 4294967264) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:23,505 INFO L290 TraceCheckUtils]: 43: Hoare triple {33279#(or (< 1 (mod (+ 4294967260 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {33275#(or (< 1 (mod (+ main_~x~0 4294967262) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:23,505 INFO L290 TraceCheckUtils]: 42: Hoare triple {33283#(or (< 1 (mod (+ main_~x~0 4294967258) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {33279#(or (< 1 (mod (+ 4294967260 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:23,506 INFO L290 TraceCheckUtils]: 41: Hoare triple {33287#(or (< 1 (mod (+ main_~x~0 4294967256) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {33283#(or (< 1 (mod (+ main_~x~0 4294967258) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:23,509 INFO L290 TraceCheckUtils]: 40: Hoare triple {33291#(or (< 1 (mod (+ 4294967254 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {33287#(or (< 1 (mod (+ main_~x~0 4294967256) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:23,511 INFO L290 TraceCheckUtils]: 39: Hoare triple {33295#(or (< 1 (mod (+ main_~x~0 4294967252) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {33291#(or (< 1 (mod (+ 4294967254 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:23,514 INFO L290 TraceCheckUtils]: 38: Hoare triple {33299#(or (< 1 (mod (+ 4294967250 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {33295#(or (< 1 (mod (+ main_~x~0 4294967252) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:23,515 INFO L290 TraceCheckUtils]: 37: Hoare triple {33303#(or (< 1 (mod (+ main_~x~0 4294967248) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {33299#(or (< 1 (mod (+ 4294967250 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:23,516 INFO L290 TraceCheckUtils]: 36: Hoare triple {33307#(or (< 1 (mod (+ 4294967246 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {33303#(or (< 1 (mod (+ main_~x~0 4294967248) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:23,516 INFO L290 TraceCheckUtils]: 35: Hoare triple {33311#(or (< 1 (mod (+ main_~x~0 4294967244) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {33307#(or (< 1 (mod (+ 4294967246 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:23,517 INFO L290 TraceCheckUtils]: 34: Hoare triple {33315#(or (< 1 (mod (+ main_~x~0 4294967242) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {33311#(or (< 1 (mod (+ main_~x~0 4294967244) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:23,518 INFO L290 TraceCheckUtils]: 33: Hoare triple {33319#(or (< 1 (mod (+ 4294967240 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {33315#(or (< 1 (mod (+ main_~x~0 4294967242) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:23,519 INFO L290 TraceCheckUtils]: 32: Hoare triple {33323#(or (< 1 (mod (+ 4294967238 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {33319#(or (< 1 (mod (+ 4294967240 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:23,520 INFO L290 TraceCheckUtils]: 31: Hoare triple {33327#(or (< 1 (mod (+ main_~x~0 4294967236) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {33323#(or (< 1 (mod (+ 4294967238 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:23,521 INFO L290 TraceCheckUtils]: 30: Hoare triple {33331#(or (< 1 (mod (+ main_~x~0 4294967234) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {33327#(or (< 1 (mod (+ main_~x~0 4294967236) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:23,522 INFO L290 TraceCheckUtils]: 29: Hoare triple {33335#(or (< 1 (mod (+ main_~x~0 4294967232) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {33331#(or (< 1 (mod (+ main_~x~0 4294967234) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:23,522 INFO L290 TraceCheckUtils]: 28: Hoare triple {33339#(or (< 1 (mod (+ 4294967230 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {33335#(or (< 1 (mod (+ main_~x~0 4294967232) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:23,523 INFO L290 TraceCheckUtils]: 27: Hoare triple {33343#(or (< 1 (mod (+ main_~x~0 4294967228) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {33339#(or (< 1 (mod (+ 4294967230 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:23,525 INFO L290 TraceCheckUtils]: 26: Hoare triple {33347#(or (< 1 (mod (+ main_~x~0 4294967226) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {33343#(or (< 1 (mod (+ main_~x~0 4294967228) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:23,527 INFO L290 TraceCheckUtils]: 25: Hoare triple {33351#(or (< 1 (mod (+ 4294967224 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {33347#(or (< 1 (mod (+ main_~x~0 4294967226) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:23,527 INFO L290 TraceCheckUtils]: 24: Hoare triple {33355#(or (< 1 (mod (+ main_~x~0 4294967222) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {33351#(or (< 1 (mod (+ 4294967224 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:23,529 INFO L290 TraceCheckUtils]: 23: Hoare triple {33359#(or (< 1 (mod (+ main_~x~0 4294967220) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {33355#(or (< 1 (mod (+ main_~x~0 4294967222) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:23,531 INFO L290 TraceCheckUtils]: 22: Hoare triple {33363#(or (< 1 (mod (+ 4294967218 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {33359#(or (< 1 (mod (+ main_~x~0 4294967220) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:23,531 INFO L290 TraceCheckUtils]: 21: Hoare triple {33367#(or (< 1 (mod (+ 4294967216 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {33363#(or (< 1 (mod (+ 4294967218 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:23,532 INFO L290 TraceCheckUtils]: 20: Hoare triple {33371#(or (< 1 (mod (+ main_~x~0 4294967214) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {33367#(or (< 1 (mod (+ 4294967216 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:23,534 INFO L290 TraceCheckUtils]: 19: Hoare triple {33375#(or (< 1 (mod (+ 4294967212 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {33371#(or (< 1 (mod (+ main_~x~0 4294967214) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:23,536 INFO L290 TraceCheckUtils]: 18: Hoare triple {33379#(or (< 1 (mod (+ 4294967210 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {33375#(or (< 1 (mod (+ 4294967212 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:23,537 INFO L290 TraceCheckUtils]: 17: Hoare triple {33383#(or (< 1 (mod (+ main_~x~0 4294967208) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {33379#(or (< 1 (mod (+ 4294967210 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:23,538 INFO L290 TraceCheckUtils]: 16: Hoare triple {33387#(or (< 1 (mod (+ 4294967206 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {33383#(or (< 1 (mod (+ main_~x~0 4294967208) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:23,539 INFO L290 TraceCheckUtils]: 15: Hoare triple {33391#(or (< 1 (mod (+ main_~x~0 4294967204) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {33387#(or (< 1 (mod (+ 4294967206 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:23,540 INFO L290 TraceCheckUtils]: 14: Hoare triple {33395#(or (< 1 (mod (+ 4294967202 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {33391#(or (< 1 (mod (+ main_~x~0 4294967204) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:23,541 INFO L290 TraceCheckUtils]: 13: Hoare triple {33399#(or (< 1 (mod (+ 4294967200 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {33395#(or (< 1 (mod (+ 4294967202 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:23,545 INFO L290 TraceCheckUtils]: 12: Hoare triple {33403#(or (< 1 (mod (+ 4294967198 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {33399#(or (< 1 (mod (+ 4294967200 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:23,546 INFO L290 TraceCheckUtils]: 11: Hoare triple {33407#(or (< 1 (mod (+ 4294967196 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {33403#(or (< 1 (mod (+ 4294967198 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:23,547 INFO L290 TraceCheckUtils]: 10: Hoare triple {33411#(or (< 1 (mod (+ 4294967194 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {33407#(or (< 1 (mod (+ 4294967196 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:23,547 INFO L290 TraceCheckUtils]: 9: Hoare triple {33415#(or (< 1 (mod (+ 4294967192 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {33411#(or (< 1 (mod (+ 4294967194 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:23,548 INFO L290 TraceCheckUtils]: 8: Hoare triple {33419#(or (< 1 (mod (+ main_~x~0 4294967190) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {33415#(or (< 1 (mod (+ 4294967192 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:23,549 INFO L290 TraceCheckUtils]: 7: Hoare triple {33423#(or (< 1 (mod (+ 4294967188 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {33419#(or (< 1 (mod (+ main_~x~0 4294967190) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:23,551 INFO L290 TraceCheckUtils]: 6: Hoare triple {33427#(or (< 1 (mod (+ main_~x~0 4294967186) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {33423#(or (< 1 (mod (+ 4294967188 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:23,551 INFO L290 TraceCheckUtils]: 5: Hoare triple {32931#true} ~x~0 := 268435441; {33427#(or (< 1 (mod (+ main_~x~0 4294967186) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:31:23,551 INFO L272 TraceCheckUtils]: 4: Hoare triple {32931#true} call #t~ret4 := main(); {32931#true} is VALID [2022-04-08 09:31:23,552 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {32931#true} {32931#true} #34#return; {32931#true} is VALID [2022-04-08 09:31:23,552 INFO L290 TraceCheckUtils]: 2: Hoare triple {32931#true} assume true; {32931#true} is VALID [2022-04-08 09:31:23,552 INFO L290 TraceCheckUtils]: 1: Hoare triple {32931#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(13, 2);call #Ultimate.allocInit(12, 3); {32931#true} is VALID [2022-04-08 09:31:23,552 INFO L272 TraceCheckUtils]: 0: Hoare triple {32931#true} call ULTIMATE.init(); {32931#true} is VALID [2022-04-08 09:31:23,552 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:31:23,553 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [422333985] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-08 09:31:23,553 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-08 09:31:23,553 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [59, 58, 61] total 119 [2022-04-08 09:31:23,553 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 09:31:23,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1460522854] [2022-04-08 09:31:23,553 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1460522854] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 09:31:23,553 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 09:31:23,553 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [59] imperfect sequences [] total 59 [2022-04-08 09:31:23,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144351061] [2022-04-08 09:31:23,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 09:31:23,554 INFO L78 Accepts]: Start accepts. Automaton has has 59 states, 59 states have (on average 1.0508474576271187) internal successors, (62), 58 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 [2022-04-08 09:31:23,554 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 09:31:23,554 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 59 states, 59 states have (on average 1.0508474576271187) internal successors, (62), 58 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) [2022-04-08 09:31:23,590 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 66 edges. 66 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:31:23,590 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 59 states [2022-04-08 09:31:23,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 09:31:23,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2022-04-08 09:31:23,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3539, Invalid=10503, Unknown=0, NotChecked=0, Total=14042 [2022-04-08 09:31:23,592 INFO L87 Difference]: Start difference. First operand 67 states and 67 transitions. Second operand has 59 states, 59 states have (on average 1.0508474576271187) internal successors, (62), 58 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) [2022-04-08 09:31:30,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:31:30,017 INFO L93 Difference]: Finished difference Result 73 states and 73 transitions. [2022-04-08 09:31:30,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-04-08 09:31:30,018 INFO L78 Accepts]: Start accepts. Automaton has has 59 states, 59 states have (on average 1.0508474576271187) internal successors, (62), 58 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 [2022-04-08 09:31:30,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 09:31:30,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 59 states have (on average 1.0508474576271187) internal successors, (62), 58 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) [2022-04-08 09:31:30,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 73 transitions. [2022-04-08 09:31:30,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 59 states have (on average 1.0508474576271187) internal successors, (62), 58 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) [2022-04-08 09:31:30,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 73 transitions. [2022-04-08 09:31:30,020 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 59 states and 73 transitions. [2022-04-08 09:31:30,075 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 73 edges. 73 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:31:30,076 INFO L225 Difference]: With dead ends: 73 [2022-04-08 09:31:30,076 INFO L226 Difference]: Without dead ends: 68 [2022-04-08 09:31:30,077 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 74 SyntacticMatches, 1 SemanticMatches, 173 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1661 ImplicationChecksByTransitivity, 8.8s TimeCoverageRelationStatistics Valid=7009, Invalid=23441, Unknown=0, NotChecked=0, Total=30450 [2022-04-08 09:31:30,077 INFO L913 BasicCegarLoop]: 11 mSDtfsCounter, 6 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 3257 mSolverCounterSat, 113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 3370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 113 IncrementalHoareTripleChecker+Valid, 3257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-04-08 09:31:30,078 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 188 Invalid, 3370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [113 Valid, 3257 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-04-08 09:31:30,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2022-04-08 09:31:30,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2022-04-08 09:31:30,159 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 09:31:30,159 INFO L82 GeneralOperation]: Start isEquivalent. First operand 68 states. Second operand has 68 states, 63 states have (on average 1.0158730158730158) internal successors, (64), 63 states have internal predecessors, (64), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:31:30,159 INFO L74 IsIncluded]: Start isIncluded. First operand 68 states. Second operand has 68 states, 63 states have (on average 1.0158730158730158) internal successors, (64), 63 states have internal predecessors, (64), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:31:30,160 INFO L87 Difference]: Start difference. First operand 68 states. Second operand has 68 states, 63 states have (on average 1.0158730158730158) internal successors, (64), 63 states have internal predecessors, (64), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:31:30,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:31:30,160 INFO L93 Difference]: Finished difference Result 68 states and 68 transitions. [2022-04-08 09:31:30,160 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 68 transitions. [2022-04-08 09:31:30,160 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:31:30,160 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:31:30,161 INFO L74 IsIncluded]: Start isIncluded. First operand has 68 states, 63 states have (on average 1.0158730158730158) internal successors, (64), 63 states have internal predecessors, (64), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 68 states. [2022-04-08 09:31:30,161 INFO L87 Difference]: Start difference. First operand has 68 states, 63 states have (on average 1.0158730158730158) internal successors, (64), 63 states have internal predecessors, (64), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 68 states. [2022-04-08 09:31:30,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:31:30,161 INFO L93 Difference]: Finished difference Result 68 states and 68 transitions. [2022-04-08 09:31:30,161 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 68 transitions. [2022-04-08 09:31:30,161 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:31:30,161 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:31:30,162 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 09:31:30,162 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 09:31:30,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 63 states have (on average 1.0158730158730158) internal successors, (64), 63 states have internal predecessors, (64), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:31:30,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 68 transitions. [2022-04-08 09:31:30,162 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 68 transitions. Word has length 66 [2022-04-08 09:31:30,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 09:31:30,162 INFO L478 AbstractCegarLoop]: Abstraction has 68 states and 68 transitions. [2022-04-08 09:31:30,163 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 59 states, 59 states have (on average 1.0508474576271187) internal successors, (62), 58 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) [2022-04-08 09:31:30,163 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 68 states and 68 transitions. [2022-04-08 09:31:30,213 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 68 edges. 68 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:31:30,213 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 68 transitions. [2022-04-08 09:31:30,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-04-08 09:31:30,214 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 09:31:30,214 INFO L499 BasicCegarLoop]: trace histogram [56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 09:31:30,230 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (56)] Ended with exit code 0 [2022-04-08 09:31:30,414 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56,56 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 09:31:30,414 INFO L403 AbstractCegarLoop]: === Iteration 58 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 09:31:30,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 09:31:30,415 INFO L85 PathProgramCache]: Analyzing trace with hash -1464252708, now seen corresponding path program 111 times [2022-04-08 09:31:30,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 09:31:30,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [494151948] [2022-04-08 09:31:30,417 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-08 09:31:30,417 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-08 09:31:30,417 INFO L85 PathProgramCache]: Analyzing trace with hash -1464252708, now seen corresponding path program 112 times [2022-04-08 09:31:30,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 09:31:30,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775029208] [2022-04-08 09:31:30,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 09:31:30,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 09:31:30,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:31:32,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-08 09:31:32,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:31:32,110 INFO L290 TraceCheckUtils]: 0: Hoare triple {34040#(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(13, 2);call #Ultimate.allocInit(12, 3); {33978#true} is VALID [2022-04-08 09:31:32,110 INFO L290 TraceCheckUtils]: 1: Hoare triple {33978#true} assume true; {33978#true} is VALID [2022-04-08 09:31:32,111 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {33978#true} {33978#true} #34#return; {33978#true} is VALID [2022-04-08 09:31:32,111 INFO L272 TraceCheckUtils]: 0: Hoare triple {33978#true} call ULTIMATE.init(); {34040#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-08 09:31:32,111 INFO L290 TraceCheckUtils]: 1: Hoare triple {34040#(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(13, 2);call #Ultimate.allocInit(12, 3); {33978#true} is VALID [2022-04-08 09:31:32,111 INFO L290 TraceCheckUtils]: 2: Hoare triple {33978#true} assume true; {33978#true} is VALID [2022-04-08 09:31:32,112 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {33978#true} {33978#true} #34#return; {33978#true} is VALID [2022-04-08 09:31:32,112 INFO L272 TraceCheckUtils]: 4: Hoare triple {33978#true} call #t~ret4 := main(); {33978#true} is VALID [2022-04-08 09:31:32,112 INFO L290 TraceCheckUtils]: 5: Hoare triple {33978#true} ~x~0 := 268435441; {33983#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:31:32,113 INFO L290 TraceCheckUtils]: 6: Hoare triple {33983#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {33984#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:31:32,114 INFO L290 TraceCheckUtils]: 7: Hoare triple {33984#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {33985#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:31:32,115 INFO L290 TraceCheckUtils]: 8: Hoare triple {33985#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {33986#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:31:32,115 INFO L290 TraceCheckUtils]: 9: Hoare triple {33986#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {33987#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:31:32,116 INFO L290 TraceCheckUtils]: 10: Hoare triple {33987#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {33988#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:31:32,117 INFO L290 TraceCheckUtils]: 11: Hoare triple {33988#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {33989#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:31:32,117 INFO L290 TraceCheckUtils]: 12: Hoare triple {33989#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {33990#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:31:32,118 INFO L290 TraceCheckUtils]: 13: Hoare triple {33990#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {33991#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:31:32,119 INFO L290 TraceCheckUtils]: 14: Hoare triple {33991#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {33992#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:31:32,120 INFO L290 TraceCheckUtils]: 15: Hoare triple {33992#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {33993#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:31:32,120 INFO L290 TraceCheckUtils]: 16: Hoare triple {33993#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {33994#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:31:32,121 INFO L290 TraceCheckUtils]: 17: Hoare triple {33994#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {33995#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:31:32,122 INFO L290 TraceCheckUtils]: 18: Hoare triple {33995#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {33996#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:31:32,123 INFO L290 TraceCheckUtils]: 19: Hoare triple {33996#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {33997#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} is VALID [2022-04-08 09:31:32,123 INFO L290 TraceCheckUtils]: 20: Hoare triple {33997#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {33998#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} is VALID [2022-04-08 09:31:32,124 INFO L290 TraceCheckUtils]: 21: Hoare triple {33998#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {33999#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} is VALID [2022-04-08 09:31:32,125 INFO L290 TraceCheckUtils]: 22: Hoare triple {33999#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34000#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} is VALID [2022-04-08 09:31:32,125 INFO L290 TraceCheckUtils]: 23: Hoare triple {34000#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34001#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} is VALID [2022-04-08 09:31:32,126 INFO L290 TraceCheckUtils]: 24: Hoare triple {34001#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34002#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} is VALID [2022-04-08 09:31:32,127 INFO L290 TraceCheckUtils]: 25: Hoare triple {34002#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34003#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} is VALID [2022-04-08 09:31:32,128 INFO L290 TraceCheckUtils]: 26: Hoare triple {34003#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34004#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} is VALID [2022-04-08 09:31:32,128 INFO L290 TraceCheckUtils]: 27: Hoare triple {34004#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34005#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} is VALID [2022-04-08 09:31:32,129 INFO L290 TraceCheckUtils]: 28: Hoare triple {34005#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34006#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} is VALID [2022-04-08 09:31:32,130 INFO L290 TraceCheckUtils]: 29: Hoare triple {34006#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34007#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} is VALID [2022-04-08 09:31:32,131 INFO L290 TraceCheckUtils]: 30: Hoare triple {34007#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34008#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} is VALID [2022-04-08 09:31:32,131 INFO L290 TraceCheckUtils]: 31: Hoare triple {34008#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34009#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} is VALID [2022-04-08 09:31:32,132 INFO L290 TraceCheckUtils]: 32: Hoare triple {34009#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34010#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} is VALID [2022-04-08 09:31:32,133 INFO L290 TraceCheckUtils]: 33: Hoare triple {34010#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34011#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} is VALID [2022-04-08 09:31:32,134 INFO L290 TraceCheckUtils]: 34: Hoare triple {34011#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34012#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} is VALID [2022-04-08 09:31:32,134 INFO L290 TraceCheckUtils]: 35: Hoare triple {34012#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34013#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} is VALID [2022-04-08 09:31:32,135 INFO L290 TraceCheckUtils]: 36: Hoare triple {34013#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34014#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} is VALID [2022-04-08 09:31:32,136 INFO L290 TraceCheckUtils]: 37: Hoare triple {34014#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34015#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} is VALID [2022-04-08 09:31:32,136 INFO L290 TraceCheckUtils]: 38: Hoare triple {34015#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34016#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} is VALID [2022-04-08 09:31:32,137 INFO L290 TraceCheckUtils]: 39: Hoare triple {34016#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34017#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} is VALID [2022-04-08 09:31:32,138 INFO L290 TraceCheckUtils]: 40: Hoare triple {34017#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34018#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} is VALID [2022-04-08 09:31:32,139 INFO L290 TraceCheckUtils]: 41: Hoare triple {34018#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34019#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} is VALID [2022-04-08 09:31:32,139 INFO L290 TraceCheckUtils]: 42: Hoare triple {34019#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34020#(and (<= main_~x~0 268435367) (<= 268435367 main_~x~0))} is VALID [2022-04-08 09:31:32,140 INFO L290 TraceCheckUtils]: 43: Hoare triple {34020#(and (<= main_~x~0 268435367) (<= 268435367 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34021#(and (<= 268435365 main_~x~0) (<= main_~x~0 268435365))} is VALID [2022-04-08 09:31:32,141 INFO L290 TraceCheckUtils]: 44: Hoare triple {34021#(and (<= 268435365 main_~x~0) (<= main_~x~0 268435365))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34022#(and (<= 268435363 main_~x~0) (<= main_~x~0 268435363))} is VALID [2022-04-08 09:31:32,141 INFO L290 TraceCheckUtils]: 45: Hoare triple {34022#(and (<= 268435363 main_~x~0) (<= main_~x~0 268435363))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34023#(and (<= main_~x~0 268435361) (<= 268435361 main_~x~0))} is VALID [2022-04-08 09:31:32,142 INFO L290 TraceCheckUtils]: 46: Hoare triple {34023#(and (<= main_~x~0 268435361) (<= 268435361 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34024#(and (<= main_~x~0 268435359) (<= 268435359 main_~x~0))} is VALID [2022-04-08 09:31:32,143 INFO L290 TraceCheckUtils]: 47: Hoare triple {34024#(and (<= main_~x~0 268435359) (<= 268435359 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34025#(and (<= main_~x~0 268435357) (<= 268435357 main_~x~0))} is VALID [2022-04-08 09:31:32,143 INFO L290 TraceCheckUtils]: 48: Hoare triple {34025#(and (<= main_~x~0 268435357) (<= 268435357 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34026#(and (<= main_~x~0 268435355) (<= 268435355 main_~x~0))} is VALID [2022-04-08 09:31:32,144 INFO L290 TraceCheckUtils]: 49: Hoare triple {34026#(and (<= main_~x~0 268435355) (<= 268435355 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34027#(and (<= main_~x~0 268435353) (<= 268435353 main_~x~0))} is VALID [2022-04-08 09:31:32,145 INFO L290 TraceCheckUtils]: 50: Hoare triple {34027#(and (<= main_~x~0 268435353) (<= 268435353 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34028#(and (<= 268435351 main_~x~0) (<= main_~x~0 268435351))} is VALID [2022-04-08 09:31:32,145 INFO L290 TraceCheckUtils]: 51: Hoare triple {34028#(and (<= 268435351 main_~x~0) (<= main_~x~0 268435351))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34029#(and (<= 268435349 main_~x~0) (<= main_~x~0 268435349))} is VALID [2022-04-08 09:31:32,146 INFO L290 TraceCheckUtils]: 52: Hoare triple {34029#(and (<= 268435349 main_~x~0) (<= main_~x~0 268435349))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34030#(and (<= 268435347 main_~x~0) (<= main_~x~0 268435347))} is VALID [2022-04-08 09:31:32,147 INFO L290 TraceCheckUtils]: 53: Hoare triple {34030#(and (<= 268435347 main_~x~0) (<= main_~x~0 268435347))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34031#(and (<= main_~x~0 268435345) (<= 268435345 main_~x~0))} is VALID [2022-04-08 09:31:32,147 INFO L290 TraceCheckUtils]: 54: Hoare triple {34031#(and (<= main_~x~0 268435345) (<= 268435345 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34032#(and (<= main_~x~0 268435343) (<= 268435343 main_~x~0))} is VALID [2022-04-08 09:31:32,148 INFO L290 TraceCheckUtils]: 55: Hoare triple {34032#(and (<= main_~x~0 268435343) (<= 268435343 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34033#(and (<= 268435341 main_~x~0) (<= main_~x~0 268435341))} is VALID [2022-04-08 09:31:32,149 INFO L290 TraceCheckUtils]: 56: Hoare triple {34033#(and (<= 268435341 main_~x~0) (<= main_~x~0 268435341))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34034#(and (<= 268435339 main_~x~0) (<= main_~x~0 268435339))} is VALID [2022-04-08 09:31:32,150 INFO L290 TraceCheckUtils]: 57: Hoare triple {34034#(and (<= 268435339 main_~x~0) (<= main_~x~0 268435339))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34035#(and (<= main_~x~0 268435337) (<= 268435337 main_~x~0))} is VALID [2022-04-08 09:31:32,150 INFO L290 TraceCheckUtils]: 58: Hoare triple {34035#(and (<= main_~x~0 268435337) (<= 268435337 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34036#(and (<= main_~x~0 268435335) (<= 268435335 main_~x~0))} is VALID [2022-04-08 09:31:32,151 INFO L290 TraceCheckUtils]: 59: Hoare triple {34036#(and (<= main_~x~0 268435335) (<= 268435335 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34037#(and (<= 268435333 main_~x~0) (<= main_~x~0 268435333))} is VALID [2022-04-08 09:31:32,152 INFO L290 TraceCheckUtils]: 60: Hoare triple {34037#(and (<= 268435333 main_~x~0) (<= main_~x~0 268435333))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34038#(and (<= 268435331 main_~x~0) (<= main_~x~0 268435331))} is VALID [2022-04-08 09:31:32,152 INFO L290 TraceCheckUtils]: 61: Hoare triple {34038#(and (<= 268435331 main_~x~0) (<= main_~x~0 268435331))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34039#(and (<= (div main_~x~0 4294967296) 0) (<= 268435329 main_~x~0))} is VALID [2022-04-08 09:31:32,153 INFO L290 TraceCheckUtils]: 62: Hoare triple {34039#(and (<= (div main_~x~0 4294967296) 0) (<= 268435329 main_~x~0))} assume !(~x~0 % 4294967296 > 1); {33979#false} is VALID [2022-04-08 09:31:32,153 INFO L272 TraceCheckUtils]: 63: Hoare triple {33979#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)); {33979#false} is VALID [2022-04-08 09:31:32,153 INFO L290 TraceCheckUtils]: 64: Hoare triple {33979#false} ~cond := #in~cond; {33979#false} is VALID [2022-04-08 09:31:32,153 INFO L290 TraceCheckUtils]: 65: Hoare triple {33979#false} assume 0 == ~cond; {33979#false} is VALID [2022-04-08 09:31:32,153 INFO L290 TraceCheckUtils]: 66: Hoare triple {33979#false} assume !false; {33979#false} is VALID [2022-04-08 09:31:32,154 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:31:32,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 09:31:32,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775029208] [2022-04-08 09:31:32,154 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775029208] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-08 09:31:32,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [600405144] [2022-04-08 09:31:32,155 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-08 09:31:32,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 09:31:32,155 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 09:31:32,157 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) [2022-04-08 09:31:32,159 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (57)] Waiting until timeout for monitored process [2022-04-08 09:31:32,312 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-08 09:31:32,313 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 09:31:32,314 WARN L261 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 115 conjunts are in the unsatisfiable core [2022-04-08 09:31:32,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:31:32,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 09:31:33,021 INFO L272 TraceCheckUtils]: 0: Hoare triple {33978#true} call ULTIMATE.init(); {33978#true} is VALID [2022-04-08 09:31:33,021 INFO L290 TraceCheckUtils]: 1: Hoare triple {33978#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(13, 2);call #Ultimate.allocInit(12, 3); {33978#true} is VALID [2022-04-08 09:31:33,021 INFO L290 TraceCheckUtils]: 2: Hoare triple {33978#true} assume true; {33978#true} is VALID [2022-04-08 09:31:33,022 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {33978#true} {33978#true} #34#return; {33978#true} is VALID [2022-04-08 09:31:33,022 INFO L272 TraceCheckUtils]: 4: Hoare triple {33978#true} call #t~ret4 := main(); {33978#true} is VALID [2022-04-08 09:31:33,022 INFO L290 TraceCheckUtils]: 5: Hoare triple {33978#true} ~x~0 := 268435441; {33983#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:31:33,023 INFO L290 TraceCheckUtils]: 6: Hoare triple {33983#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {33984#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:31:33,023 INFO L290 TraceCheckUtils]: 7: Hoare triple {33984#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {33985#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:31:33,024 INFO L290 TraceCheckUtils]: 8: Hoare triple {33985#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {33986#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:31:33,024 INFO L290 TraceCheckUtils]: 9: Hoare triple {33986#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {33987#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:31:33,025 INFO L290 TraceCheckUtils]: 10: Hoare triple {33987#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {33988#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:31:33,025 INFO L290 TraceCheckUtils]: 11: Hoare triple {33988#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {33989#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:31:33,026 INFO L290 TraceCheckUtils]: 12: Hoare triple {33989#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {33990#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:31:33,026 INFO L290 TraceCheckUtils]: 13: Hoare triple {33990#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {33991#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:31:33,027 INFO L290 TraceCheckUtils]: 14: Hoare triple {33991#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {33992#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:31:33,027 INFO L290 TraceCheckUtils]: 15: Hoare triple {33992#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {33993#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:31:33,028 INFO L290 TraceCheckUtils]: 16: Hoare triple {33993#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {33994#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:31:33,028 INFO L290 TraceCheckUtils]: 17: Hoare triple {33994#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {33995#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:31:33,029 INFO L290 TraceCheckUtils]: 18: Hoare triple {33995#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {33996#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:31:33,029 INFO L290 TraceCheckUtils]: 19: Hoare triple {33996#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {33997#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} is VALID [2022-04-08 09:31:33,030 INFO L290 TraceCheckUtils]: 20: Hoare triple {33997#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {33998#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} is VALID [2022-04-08 09:31:33,030 INFO L290 TraceCheckUtils]: 21: Hoare triple {33998#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {33999#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} is VALID [2022-04-08 09:31:33,031 INFO L290 TraceCheckUtils]: 22: Hoare triple {33999#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34000#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} is VALID [2022-04-08 09:31:33,031 INFO L290 TraceCheckUtils]: 23: Hoare triple {34000#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34001#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} is VALID [2022-04-08 09:31:33,032 INFO L290 TraceCheckUtils]: 24: Hoare triple {34001#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34002#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} is VALID [2022-04-08 09:31:33,032 INFO L290 TraceCheckUtils]: 25: Hoare triple {34002#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34003#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} is VALID [2022-04-08 09:31:33,033 INFO L290 TraceCheckUtils]: 26: Hoare triple {34003#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34004#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} is VALID [2022-04-08 09:31:33,033 INFO L290 TraceCheckUtils]: 27: Hoare triple {34004#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34005#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} is VALID [2022-04-08 09:31:33,034 INFO L290 TraceCheckUtils]: 28: Hoare triple {34005#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34006#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} is VALID [2022-04-08 09:31:33,034 INFO L290 TraceCheckUtils]: 29: Hoare triple {34006#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34007#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} is VALID [2022-04-08 09:31:33,035 INFO L290 TraceCheckUtils]: 30: Hoare triple {34007#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34008#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} is VALID [2022-04-08 09:31:33,035 INFO L290 TraceCheckUtils]: 31: Hoare triple {34008#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34009#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} is VALID [2022-04-08 09:31:33,036 INFO L290 TraceCheckUtils]: 32: Hoare triple {34009#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34010#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} is VALID [2022-04-08 09:31:33,036 INFO L290 TraceCheckUtils]: 33: Hoare triple {34010#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34011#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} is VALID [2022-04-08 09:31:33,037 INFO L290 TraceCheckUtils]: 34: Hoare triple {34011#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34012#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} is VALID [2022-04-08 09:31:33,037 INFO L290 TraceCheckUtils]: 35: Hoare triple {34012#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34013#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} is VALID [2022-04-08 09:31:33,038 INFO L290 TraceCheckUtils]: 36: Hoare triple {34013#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34014#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} is VALID [2022-04-08 09:31:33,038 INFO L290 TraceCheckUtils]: 37: Hoare triple {34014#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34015#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} is VALID [2022-04-08 09:31:33,039 INFO L290 TraceCheckUtils]: 38: Hoare triple {34015#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34016#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} is VALID [2022-04-08 09:31:33,039 INFO L290 TraceCheckUtils]: 39: Hoare triple {34016#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34017#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} is VALID [2022-04-08 09:31:33,040 INFO L290 TraceCheckUtils]: 40: Hoare triple {34017#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34018#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} is VALID [2022-04-08 09:31:33,041 INFO L290 TraceCheckUtils]: 41: Hoare triple {34018#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34019#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} is VALID [2022-04-08 09:31:33,041 INFO L290 TraceCheckUtils]: 42: Hoare triple {34019#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34020#(and (<= main_~x~0 268435367) (<= 268435367 main_~x~0))} is VALID [2022-04-08 09:31:33,042 INFO L290 TraceCheckUtils]: 43: Hoare triple {34020#(and (<= main_~x~0 268435367) (<= 268435367 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34021#(and (<= 268435365 main_~x~0) (<= main_~x~0 268435365))} is VALID [2022-04-08 09:31:33,042 INFO L290 TraceCheckUtils]: 44: Hoare triple {34021#(and (<= 268435365 main_~x~0) (<= main_~x~0 268435365))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34022#(and (<= 268435363 main_~x~0) (<= main_~x~0 268435363))} is VALID [2022-04-08 09:31:33,043 INFO L290 TraceCheckUtils]: 45: Hoare triple {34022#(and (<= 268435363 main_~x~0) (<= main_~x~0 268435363))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34023#(and (<= main_~x~0 268435361) (<= 268435361 main_~x~0))} is VALID [2022-04-08 09:31:33,043 INFO L290 TraceCheckUtils]: 46: Hoare triple {34023#(and (<= main_~x~0 268435361) (<= 268435361 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34024#(and (<= main_~x~0 268435359) (<= 268435359 main_~x~0))} is VALID [2022-04-08 09:31:33,044 INFO L290 TraceCheckUtils]: 47: Hoare triple {34024#(and (<= main_~x~0 268435359) (<= 268435359 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34025#(and (<= main_~x~0 268435357) (<= 268435357 main_~x~0))} is VALID [2022-04-08 09:31:33,044 INFO L290 TraceCheckUtils]: 48: Hoare triple {34025#(and (<= main_~x~0 268435357) (<= 268435357 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34026#(and (<= main_~x~0 268435355) (<= 268435355 main_~x~0))} is VALID [2022-04-08 09:31:33,045 INFO L290 TraceCheckUtils]: 49: Hoare triple {34026#(and (<= main_~x~0 268435355) (<= 268435355 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34027#(and (<= main_~x~0 268435353) (<= 268435353 main_~x~0))} is VALID [2022-04-08 09:31:33,045 INFO L290 TraceCheckUtils]: 50: Hoare triple {34027#(and (<= main_~x~0 268435353) (<= 268435353 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34028#(and (<= 268435351 main_~x~0) (<= main_~x~0 268435351))} is VALID [2022-04-08 09:31:33,046 INFO L290 TraceCheckUtils]: 51: Hoare triple {34028#(and (<= 268435351 main_~x~0) (<= main_~x~0 268435351))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34029#(and (<= 268435349 main_~x~0) (<= main_~x~0 268435349))} is VALID [2022-04-08 09:31:33,046 INFO L290 TraceCheckUtils]: 52: Hoare triple {34029#(and (<= 268435349 main_~x~0) (<= main_~x~0 268435349))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34030#(and (<= 268435347 main_~x~0) (<= main_~x~0 268435347))} is VALID [2022-04-08 09:31:33,047 INFO L290 TraceCheckUtils]: 53: Hoare triple {34030#(and (<= 268435347 main_~x~0) (<= main_~x~0 268435347))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34031#(and (<= main_~x~0 268435345) (<= 268435345 main_~x~0))} is VALID [2022-04-08 09:31:33,047 INFO L290 TraceCheckUtils]: 54: Hoare triple {34031#(and (<= main_~x~0 268435345) (<= 268435345 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34032#(and (<= main_~x~0 268435343) (<= 268435343 main_~x~0))} is VALID [2022-04-08 09:31:33,048 INFO L290 TraceCheckUtils]: 55: Hoare triple {34032#(and (<= main_~x~0 268435343) (<= 268435343 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34033#(and (<= 268435341 main_~x~0) (<= main_~x~0 268435341))} is VALID [2022-04-08 09:31:33,048 INFO L290 TraceCheckUtils]: 56: Hoare triple {34033#(and (<= 268435341 main_~x~0) (<= main_~x~0 268435341))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34034#(and (<= 268435339 main_~x~0) (<= main_~x~0 268435339))} is VALID [2022-04-08 09:31:33,049 INFO L290 TraceCheckUtils]: 57: Hoare triple {34034#(and (<= 268435339 main_~x~0) (<= main_~x~0 268435339))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34035#(and (<= main_~x~0 268435337) (<= 268435337 main_~x~0))} is VALID [2022-04-08 09:31:33,049 INFO L290 TraceCheckUtils]: 58: Hoare triple {34035#(and (<= main_~x~0 268435337) (<= 268435337 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34036#(and (<= main_~x~0 268435335) (<= 268435335 main_~x~0))} is VALID [2022-04-08 09:31:33,050 INFO L290 TraceCheckUtils]: 59: Hoare triple {34036#(and (<= main_~x~0 268435335) (<= 268435335 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34037#(and (<= 268435333 main_~x~0) (<= main_~x~0 268435333))} is VALID [2022-04-08 09:31:33,050 INFO L290 TraceCheckUtils]: 60: Hoare triple {34037#(and (<= 268435333 main_~x~0) (<= main_~x~0 268435333))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34038#(and (<= 268435331 main_~x~0) (<= main_~x~0 268435331))} is VALID [2022-04-08 09:31:33,051 INFO L290 TraceCheckUtils]: 61: Hoare triple {34038#(and (<= 268435331 main_~x~0) (<= main_~x~0 268435331))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34227#(and (<= main_~x~0 268435329) (<= 268435329 main_~x~0))} is VALID [2022-04-08 09:31:33,051 INFO L290 TraceCheckUtils]: 62: Hoare triple {34227#(and (<= main_~x~0 268435329) (<= 268435329 main_~x~0))} assume !(~x~0 % 4294967296 > 1); {33979#false} is VALID [2022-04-08 09:31:33,051 INFO L272 TraceCheckUtils]: 63: Hoare triple {33979#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)); {33979#false} is VALID [2022-04-08 09:31:33,051 INFO L290 TraceCheckUtils]: 64: Hoare triple {33979#false} ~cond := #in~cond; {33979#false} is VALID [2022-04-08 09:31:33,052 INFO L290 TraceCheckUtils]: 65: Hoare triple {33979#false} assume 0 == ~cond; {33979#false} is VALID [2022-04-08 09:31:33,052 INFO L290 TraceCheckUtils]: 66: Hoare triple {33979#false} assume !false; {33979#false} is VALID [2022-04-08 09:31:33,052 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:31:33,052 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 09:31:38,176 INFO L290 TraceCheckUtils]: 66: Hoare triple {33979#false} assume !false; {33979#false} is VALID [2022-04-08 09:31:38,177 INFO L290 TraceCheckUtils]: 65: Hoare triple {33979#false} assume 0 == ~cond; {33979#false} is VALID [2022-04-08 09:31:38,177 INFO L290 TraceCheckUtils]: 64: Hoare triple {33979#false} ~cond := #in~cond; {33979#false} is VALID [2022-04-08 09:31:38,177 INFO L272 TraceCheckUtils]: 63: Hoare triple {33979#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)); {33979#false} is VALID [2022-04-08 09:31:38,177 INFO L290 TraceCheckUtils]: 62: Hoare triple {34255#(< 1 (mod main_~x~0 4294967296))} assume !(~x~0 % 4294967296 > 1); {33979#false} is VALID [2022-04-08 09:31:38,178 INFO L290 TraceCheckUtils]: 61: Hoare triple {34259#(< 1 (mod (+ main_~x~0 4294967294) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34255#(< 1 (mod main_~x~0 4294967296))} is VALID [2022-04-08 09:31:38,179 INFO L290 TraceCheckUtils]: 60: Hoare triple {34263#(< 1 (mod (+ 4294967292 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34259#(< 1 (mod (+ main_~x~0 4294967294) 4294967296))} is VALID [2022-04-08 09:31:38,179 INFO L290 TraceCheckUtils]: 59: Hoare triple {34267#(< 1 (mod (+ 4294967290 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34263#(< 1 (mod (+ 4294967292 main_~x~0) 4294967296))} is VALID [2022-04-08 09:31:38,180 INFO L290 TraceCheckUtils]: 58: Hoare triple {34271#(< 1 (mod (+ 4294967288 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34267#(< 1 (mod (+ 4294967290 main_~x~0) 4294967296))} is VALID [2022-04-08 09:31:38,181 INFO L290 TraceCheckUtils]: 57: Hoare triple {34275#(< 1 (mod (+ main_~x~0 4294967286) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34271#(< 1 (mod (+ 4294967288 main_~x~0) 4294967296))} is VALID [2022-04-08 09:31:38,181 INFO L290 TraceCheckUtils]: 56: Hoare triple {34279#(< 1 (mod (+ main_~x~0 4294967284) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34275#(< 1 (mod (+ main_~x~0 4294967286) 4294967296))} is VALID [2022-04-08 09:31:38,182 INFO L290 TraceCheckUtils]: 55: Hoare triple {34283#(< 1 (mod (+ 4294967282 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34279#(< 1 (mod (+ main_~x~0 4294967284) 4294967296))} is VALID [2022-04-08 09:31:38,182 INFO L290 TraceCheckUtils]: 54: Hoare triple {34287#(< 1 (mod (+ main_~x~0 4294967280) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34283#(< 1 (mod (+ 4294967282 main_~x~0) 4294967296))} is VALID [2022-04-08 09:31:38,183 INFO L290 TraceCheckUtils]: 53: Hoare triple {34291#(< 1 (mod (+ main_~x~0 4294967278) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34287#(< 1 (mod (+ main_~x~0 4294967280) 4294967296))} is VALID [2022-04-08 09:31:38,184 INFO L290 TraceCheckUtils]: 52: Hoare triple {34295#(< 1 (mod (+ 4294967276 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34291#(< 1 (mod (+ main_~x~0 4294967278) 4294967296))} is VALID [2022-04-08 09:31:38,184 INFO L290 TraceCheckUtils]: 51: Hoare triple {34299#(< 1 (mod (+ 4294967274 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34295#(< 1 (mod (+ 4294967276 main_~x~0) 4294967296))} is VALID [2022-04-08 09:31:38,188 INFO L290 TraceCheckUtils]: 50: Hoare triple {34303#(< 1 (mod (+ 4294967272 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34299#(< 1 (mod (+ 4294967274 main_~x~0) 4294967296))} is VALID [2022-04-08 09:31:38,188 INFO L290 TraceCheckUtils]: 49: Hoare triple {34307#(< 1 (mod (+ main_~x~0 4294967270) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34303#(< 1 (mod (+ 4294967272 main_~x~0) 4294967296))} is VALID [2022-04-08 09:31:38,189 INFO L290 TraceCheckUtils]: 48: Hoare triple {34311#(< 1 (mod (+ main_~x~0 4294967268) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34307#(< 1 (mod (+ main_~x~0 4294967270) 4294967296))} is VALID [2022-04-08 09:31:38,189 INFO L290 TraceCheckUtils]: 47: Hoare triple {34315#(< 1 (mod (+ main_~x~0 4294967266) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34311#(< 1 (mod (+ main_~x~0 4294967268) 4294967296))} is VALID [2022-04-08 09:31:38,190 INFO L290 TraceCheckUtils]: 46: Hoare triple {34319#(< 1 (mod (+ main_~x~0 4294967264) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34315#(< 1 (mod (+ main_~x~0 4294967266) 4294967296))} is VALID [2022-04-08 09:31:38,191 INFO L290 TraceCheckUtils]: 45: Hoare triple {34323#(< 1 (mod (+ main_~x~0 4294967262) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34319#(< 1 (mod (+ main_~x~0 4294967264) 4294967296))} is VALID [2022-04-08 09:31:38,192 INFO L290 TraceCheckUtils]: 44: Hoare triple {34327#(< 1 (mod (+ 4294967260 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34323#(< 1 (mod (+ main_~x~0 4294967262) 4294967296))} is VALID [2022-04-08 09:31:38,192 INFO L290 TraceCheckUtils]: 43: Hoare triple {34331#(< 1 (mod (+ main_~x~0 4294967258) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34327#(< 1 (mod (+ 4294967260 main_~x~0) 4294967296))} is VALID [2022-04-08 09:31:38,193 INFO L290 TraceCheckUtils]: 42: Hoare triple {34335#(< 1 (mod (+ main_~x~0 4294967256) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34331#(< 1 (mod (+ main_~x~0 4294967258) 4294967296))} is VALID [2022-04-08 09:31:38,193 INFO L290 TraceCheckUtils]: 41: Hoare triple {34339#(< 1 (mod (+ 4294967254 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34335#(< 1 (mod (+ main_~x~0 4294967256) 4294967296))} is VALID [2022-04-08 09:31:38,194 INFO L290 TraceCheckUtils]: 40: Hoare triple {34343#(< 1 (mod (+ main_~x~0 4294967252) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34339#(< 1 (mod (+ 4294967254 main_~x~0) 4294967296))} is VALID [2022-04-08 09:31:38,195 INFO L290 TraceCheckUtils]: 39: Hoare triple {34347#(< 1 (mod (+ 4294967250 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34343#(< 1 (mod (+ main_~x~0 4294967252) 4294967296))} is VALID [2022-04-08 09:31:38,195 INFO L290 TraceCheckUtils]: 38: Hoare triple {34351#(< 1 (mod (+ main_~x~0 4294967248) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34347#(< 1 (mod (+ 4294967250 main_~x~0) 4294967296))} is VALID [2022-04-08 09:31:38,196 INFO L290 TraceCheckUtils]: 37: Hoare triple {34355#(< 1 (mod (+ 4294967246 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34351#(< 1 (mod (+ main_~x~0 4294967248) 4294967296))} is VALID [2022-04-08 09:31:38,197 INFO L290 TraceCheckUtils]: 36: Hoare triple {34359#(< 1 (mod (+ main_~x~0 4294967244) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34355#(< 1 (mod (+ 4294967246 main_~x~0) 4294967296))} is VALID [2022-04-08 09:31:38,197 INFO L290 TraceCheckUtils]: 35: Hoare triple {34363#(< 1 (mod (+ main_~x~0 4294967242) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34359#(< 1 (mod (+ main_~x~0 4294967244) 4294967296))} is VALID [2022-04-08 09:31:38,198 INFO L290 TraceCheckUtils]: 34: Hoare triple {34367#(< 1 (mod (+ 4294967240 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34363#(< 1 (mod (+ main_~x~0 4294967242) 4294967296))} is VALID [2022-04-08 09:31:38,198 INFO L290 TraceCheckUtils]: 33: Hoare triple {34371#(< 1 (mod (+ 4294967238 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34367#(< 1 (mod (+ 4294967240 main_~x~0) 4294967296))} is VALID [2022-04-08 09:31:38,199 INFO L290 TraceCheckUtils]: 32: Hoare triple {34375#(< 1 (mod (+ main_~x~0 4294967236) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34371#(< 1 (mod (+ 4294967238 main_~x~0) 4294967296))} is VALID [2022-04-08 09:31:38,200 INFO L290 TraceCheckUtils]: 31: Hoare triple {34379#(< 1 (mod (+ main_~x~0 4294967234) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34375#(< 1 (mod (+ main_~x~0 4294967236) 4294967296))} is VALID [2022-04-08 09:31:38,200 INFO L290 TraceCheckUtils]: 30: Hoare triple {34383#(< 1 (mod (+ main_~x~0 4294967232) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34379#(< 1 (mod (+ main_~x~0 4294967234) 4294967296))} is VALID [2022-04-08 09:31:38,201 INFO L290 TraceCheckUtils]: 29: Hoare triple {34387#(< 1 (mod (+ 4294967230 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34383#(< 1 (mod (+ main_~x~0 4294967232) 4294967296))} is VALID [2022-04-08 09:31:38,202 INFO L290 TraceCheckUtils]: 28: Hoare triple {34391#(< 1 (mod (+ main_~x~0 4294967228) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34387#(< 1 (mod (+ 4294967230 main_~x~0) 4294967296))} is VALID [2022-04-08 09:31:38,202 INFO L290 TraceCheckUtils]: 27: Hoare triple {34395#(< 1 (mod (+ main_~x~0 4294967226) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34391#(< 1 (mod (+ main_~x~0 4294967228) 4294967296))} is VALID [2022-04-08 09:31:38,203 INFO L290 TraceCheckUtils]: 26: Hoare triple {34399#(< 1 (mod (+ 4294967224 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34395#(< 1 (mod (+ main_~x~0 4294967226) 4294967296))} is VALID [2022-04-08 09:31:38,203 INFO L290 TraceCheckUtils]: 25: Hoare triple {34403#(< 1 (mod (+ main_~x~0 4294967222) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34399#(< 1 (mod (+ 4294967224 main_~x~0) 4294967296))} is VALID [2022-04-08 09:31:38,204 INFO L290 TraceCheckUtils]: 24: Hoare triple {34407#(< 1 (mod (+ main_~x~0 4294967220) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34403#(< 1 (mod (+ main_~x~0 4294967222) 4294967296))} is VALID [2022-04-08 09:31:38,205 INFO L290 TraceCheckUtils]: 23: Hoare triple {34411#(< 1 (mod (+ 4294967218 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34407#(< 1 (mod (+ main_~x~0 4294967220) 4294967296))} is VALID [2022-04-08 09:31:38,205 INFO L290 TraceCheckUtils]: 22: Hoare triple {34415#(< 1 (mod (+ 4294967216 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34411#(< 1 (mod (+ 4294967218 main_~x~0) 4294967296))} is VALID [2022-04-08 09:31:38,206 INFO L290 TraceCheckUtils]: 21: Hoare triple {34419#(< 1 (mod (+ main_~x~0 4294967214) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34415#(< 1 (mod (+ 4294967216 main_~x~0) 4294967296))} is VALID [2022-04-08 09:31:38,207 INFO L290 TraceCheckUtils]: 20: Hoare triple {34423#(< 1 (mod (+ 4294967212 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34419#(< 1 (mod (+ main_~x~0 4294967214) 4294967296))} is VALID [2022-04-08 09:31:38,208 INFO L290 TraceCheckUtils]: 19: Hoare triple {34427#(< 1 (mod (+ 4294967210 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34423#(< 1 (mod (+ 4294967212 main_~x~0) 4294967296))} is VALID [2022-04-08 09:31:38,208 INFO L290 TraceCheckUtils]: 18: Hoare triple {34431#(< 1 (mod (+ main_~x~0 4294967208) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34427#(< 1 (mod (+ 4294967210 main_~x~0) 4294967296))} is VALID [2022-04-08 09:31:38,209 INFO L290 TraceCheckUtils]: 17: Hoare triple {34435#(< 1 (mod (+ 4294967206 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34431#(< 1 (mod (+ main_~x~0 4294967208) 4294967296))} is VALID [2022-04-08 09:31:38,210 INFO L290 TraceCheckUtils]: 16: Hoare triple {34439#(< 1 (mod (+ main_~x~0 4294967204) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34435#(< 1 (mod (+ 4294967206 main_~x~0) 4294967296))} is VALID [2022-04-08 09:31:38,210 INFO L290 TraceCheckUtils]: 15: Hoare triple {34443#(< 1 (mod (+ 4294967202 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34439#(< 1 (mod (+ main_~x~0 4294967204) 4294967296))} is VALID [2022-04-08 09:31:38,211 INFO L290 TraceCheckUtils]: 14: Hoare triple {34447#(< 1 (mod (+ 4294967200 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34443#(< 1 (mod (+ 4294967202 main_~x~0) 4294967296))} is VALID [2022-04-08 09:31:38,211 INFO L290 TraceCheckUtils]: 13: Hoare triple {34451#(< 1 (mod (+ 4294967198 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34447#(< 1 (mod (+ 4294967200 main_~x~0) 4294967296))} is VALID [2022-04-08 09:31:38,212 INFO L290 TraceCheckUtils]: 12: Hoare triple {34455#(< 1 (mod (+ 4294967196 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34451#(< 1 (mod (+ 4294967198 main_~x~0) 4294967296))} is VALID [2022-04-08 09:31:38,213 INFO L290 TraceCheckUtils]: 11: Hoare triple {34459#(< 1 (mod (+ 4294967194 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34455#(< 1 (mod (+ 4294967196 main_~x~0) 4294967296))} is VALID [2022-04-08 09:31:38,213 INFO L290 TraceCheckUtils]: 10: Hoare triple {34463#(< 1 (mod (+ 4294967192 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34459#(< 1 (mod (+ 4294967194 main_~x~0) 4294967296))} is VALID [2022-04-08 09:31:38,214 INFO L290 TraceCheckUtils]: 9: Hoare triple {34467#(< 1 (mod (+ main_~x~0 4294967190) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34463#(< 1 (mod (+ 4294967192 main_~x~0) 4294967296))} is VALID [2022-04-08 09:31:38,215 INFO L290 TraceCheckUtils]: 8: Hoare triple {34471#(< 1 (mod (+ 4294967188 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34467#(< 1 (mod (+ main_~x~0 4294967190) 4294967296))} is VALID [2022-04-08 09:31:38,215 INFO L290 TraceCheckUtils]: 7: Hoare triple {34475#(< 1 (mod (+ main_~x~0 4294967186) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34471#(< 1 (mod (+ 4294967188 main_~x~0) 4294967296))} is VALID [2022-04-08 09:31:38,216 INFO L290 TraceCheckUtils]: 6: Hoare triple {34479#(< 1 (mod (+ main_~x~0 4294967184) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {34475#(< 1 (mod (+ main_~x~0 4294967186) 4294967296))} is VALID [2022-04-08 09:31:38,216 INFO L290 TraceCheckUtils]: 5: Hoare triple {33978#true} ~x~0 := 268435441; {34479#(< 1 (mod (+ main_~x~0 4294967184) 4294967296))} is VALID [2022-04-08 09:31:38,216 INFO L272 TraceCheckUtils]: 4: Hoare triple {33978#true} call #t~ret4 := main(); {33978#true} is VALID [2022-04-08 09:31:38,217 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {33978#true} {33978#true} #34#return; {33978#true} is VALID [2022-04-08 09:31:38,217 INFO L290 TraceCheckUtils]: 2: Hoare triple {33978#true} assume true; {33978#true} is VALID [2022-04-08 09:31:38,217 INFO L290 TraceCheckUtils]: 1: Hoare triple {33978#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(13, 2);call #Ultimate.allocInit(12, 3); {33978#true} is VALID [2022-04-08 09:31:38,217 INFO L272 TraceCheckUtils]: 0: Hoare triple {33978#true} call ULTIMATE.init(); {33978#true} is VALID [2022-04-08 09:31:38,217 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:31:38,217 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [600405144] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-08 09:31:38,217 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-08 09:31:38,218 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [60, 59, 59] total 118 [2022-04-08 09:31:38,218 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 09:31:38,218 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [494151948] [2022-04-08 09:31:38,218 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [494151948] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 09:31:38,218 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 09:31:38,218 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [60] imperfect sequences [] total 60 [2022-04-08 09:31:38,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084005066] [2022-04-08 09:31:38,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 09:31:38,219 INFO L78 Accepts]: Start accepts. Automaton has has 60 states, 60 states have (on average 1.05) internal successors, (63), 59 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 [2022-04-08 09:31:38,219 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 09:31:38,219 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 60 states, 60 states have (on average 1.05) internal successors, (63), 59 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) [2022-04-08 09:31:38,255 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 67 edges. 67 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:31:38,255 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2022-04-08 09:31:38,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 09:31:38,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2022-04-08 09:31:38,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3596, Invalid=10210, Unknown=0, NotChecked=0, Total=13806 [2022-04-08 09:31:38,256 INFO L87 Difference]: Start difference. First operand 68 states and 68 transitions. Second operand has 60 states, 60 states have (on average 1.05) internal successors, (63), 59 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) [2022-04-08 09:31:44,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:31:44,765 INFO L93 Difference]: Finished difference Result 74 states and 74 transitions. [2022-04-08 09:31:44,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-04-08 09:31:44,765 INFO L78 Accepts]: Start accepts. Automaton has has 60 states, 60 states have (on average 1.05) internal successors, (63), 59 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 [2022-04-08 09:31:44,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 09:31:44,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 60 states have (on average 1.05) internal successors, (63), 59 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) [2022-04-08 09:31:44,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 74 transitions. [2022-04-08 09:31:44,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 60 states have (on average 1.05) internal successors, (63), 59 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) [2022-04-08 09:31:44,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 74 transitions. [2022-04-08 09:31:44,767 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 60 states and 74 transitions. [2022-04-08 09:31:44,814 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 74 edges. 74 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:31:44,815 INFO L225 Difference]: With dead ends: 74 [2022-04-08 09:31:44,815 INFO L226 Difference]: Without dead ends: 69 [2022-04-08 09:31:44,816 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 78 SyntacticMatches, 1 SemanticMatches, 173 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1713 ImplicationChecksByTransitivity, 7.9s TimeCoverageRelationStatistics Valid=7185, Invalid=23265, Unknown=0, NotChecked=0, Total=30450 [2022-04-08 09:31:44,816 INFO L913 BasicCegarLoop]: 11 mSDtfsCounter, 6 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 3329 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 3444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 3329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-04-08 09:31:44,817 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 148 Invalid, 3444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 3329 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-04-08 09:31:44,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2022-04-08 09:31:44,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2022-04-08 09:31:44,901 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 09:31:44,902 INFO L82 GeneralOperation]: Start isEquivalent. First operand 69 states. Second operand has 69 states, 64 states have (on average 1.015625) internal successors, (65), 64 states have internal predecessors, (65), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:31:44,902 INFO L74 IsIncluded]: Start isIncluded. First operand 69 states. Second operand has 69 states, 64 states have (on average 1.015625) internal successors, (65), 64 states have internal predecessors, (65), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:31:44,902 INFO L87 Difference]: Start difference. First operand 69 states. Second operand has 69 states, 64 states have (on average 1.015625) internal successors, (65), 64 states have internal predecessors, (65), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:31:44,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:31:44,903 INFO L93 Difference]: Finished difference Result 69 states and 69 transitions. [2022-04-08 09:31:44,903 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 69 transitions. [2022-04-08 09:31:44,903 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:31:44,903 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:31:44,903 INFO L74 IsIncluded]: Start isIncluded. First operand has 69 states, 64 states have (on average 1.015625) internal successors, (65), 64 states have internal predecessors, (65), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 69 states. [2022-04-08 09:31:44,903 INFO L87 Difference]: Start difference. First operand has 69 states, 64 states have (on average 1.015625) internal successors, (65), 64 states have internal predecessors, (65), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 69 states. [2022-04-08 09:31:44,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:31:44,904 INFO L93 Difference]: Finished difference Result 69 states and 69 transitions. [2022-04-08 09:31:44,904 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 69 transitions. [2022-04-08 09:31:44,904 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:31:44,905 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:31:44,905 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 09:31:44,905 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 09:31:44,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 64 states have (on average 1.015625) internal successors, (65), 64 states have internal predecessors, (65), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:31:44,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 69 transitions. [2022-04-08 09:31:44,906 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 69 transitions. Word has length 67 [2022-04-08 09:31:44,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 09:31:44,907 INFO L478 AbstractCegarLoop]: Abstraction has 69 states and 69 transitions. [2022-04-08 09:31:44,907 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 60 states have (on average 1.05) internal successors, (63), 59 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) [2022-04-08 09:31:44,907 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 69 states and 69 transitions. [2022-04-08 09:31:44,960 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 69 edges. 69 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:31:44,960 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 69 transitions. [2022-04-08 09:31:44,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-04-08 09:31:44,960 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 09:31:44,960 INFO L499 BasicCegarLoop]: trace histogram [57, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 09:31:44,977 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (57)] Ended with exit code 0 [2022-04-08 09:31:45,161 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57,57 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 09:31:45,161 INFO L403 AbstractCegarLoop]: === Iteration 59 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 09:31:45,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 09:31:45,161 INFO L85 PathProgramCache]: Analyzing trace with hash 1889267574, now seen corresponding path program 113 times [2022-04-08 09:31:45,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 09:31:45,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [1526048601] [2022-04-08 09:31:45,164 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-08 09:31:45,164 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-08 09:31:45,164 INFO L85 PathProgramCache]: Analyzing trace with hash 1889267574, now seen corresponding path program 114 times [2022-04-08 09:31:45,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 09:31:45,164 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711346117] [2022-04-08 09:31:45,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 09:31:45,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 09:31:45,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:31:46,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-08 09:31:46,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:31:46,955 INFO L290 TraceCheckUtils]: 0: Hoare triple {35101#(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(13, 2);call #Ultimate.allocInit(12, 3); {35038#true} is VALID [2022-04-08 09:31:46,955 INFO L290 TraceCheckUtils]: 1: Hoare triple {35038#true} assume true; {35038#true} is VALID [2022-04-08 09:31:46,955 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {35038#true} {35038#true} #34#return; {35038#true} is VALID [2022-04-08 09:31:46,956 INFO L272 TraceCheckUtils]: 0: Hoare triple {35038#true} call ULTIMATE.init(); {35101#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-08 09:31:46,956 INFO L290 TraceCheckUtils]: 1: Hoare triple {35101#(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(13, 2);call #Ultimate.allocInit(12, 3); {35038#true} is VALID [2022-04-08 09:31:46,956 INFO L290 TraceCheckUtils]: 2: Hoare triple {35038#true} assume true; {35038#true} is VALID [2022-04-08 09:31:46,956 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {35038#true} {35038#true} #34#return; {35038#true} is VALID [2022-04-08 09:31:46,956 INFO L272 TraceCheckUtils]: 4: Hoare triple {35038#true} call #t~ret4 := main(); {35038#true} is VALID [2022-04-08 09:31:46,957 INFO L290 TraceCheckUtils]: 5: Hoare triple {35038#true} ~x~0 := 268435441; {35043#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:31:46,957 INFO L290 TraceCheckUtils]: 6: Hoare triple {35043#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35044#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:31:46,958 INFO L290 TraceCheckUtils]: 7: Hoare triple {35044#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35045#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:31:46,958 INFO L290 TraceCheckUtils]: 8: Hoare triple {35045#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35046#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:31:46,959 INFO L290 TraceCheckUtils]: 9: Hoare triple {35046#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35047#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:31:46,959 INFO L290 TraceCheckUtils]: 10: Hoare triple {35047#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35048#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:31:46,960 INFO L290 TraceCheckUtils]: 11: Hoare triple {35048#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35049#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:31:46,960 INFO L290 TraceCheckUtils]: 12: Hoare triple {35049#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35050#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:31:46,961 INFO L290 TraceCheckUtils]: 13: Hoare triple {35050#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35051#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:31:46,961 INFO L290 TraceCheckUtils]: 14: Hoare triple {35051#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35052#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:31:46,962 INFO L290 TraceCheckUtils]: 15: Hoare triple {35052#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35053#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:31:46,962 INFO L290 TraceCheckUtils]: 16: Hoare triple {35053#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35054#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:31:46,963 INFO L290 TraceCheckUtils]: 17: Hoare triple {35054#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35055#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:31:46,963 INFO L290 TraceCheckUtils]: 18: Hoare triple {35055#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35056#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:31:46,964 INFO L290 TraceCheckUtils]: 19: Hoare triple {35056#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35057#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} is VALID [2022-04-08 09:31:46,964 INFO L290 TraceCheckUtils]: 20: Hoare triple {35057#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35058#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} is VALID [2022-04-08 09:31:46,965 INFO L290 TraceCheckUtils]: 21: Hoare triple {35058#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35059#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} is VALID [2022-04-08 09:31:46,965 INFO L290 TraceCheckUtils]: 22: Hoare triple {35059#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35060#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} is VALID [2022-04-08 09:31:46,966 INFO L290 TraceCheckUtils]: 23: Hoare triple {35060#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35061#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} is VALID [2022-04-08 09:31:46,967 INFO L290 TraceCheckUtils]: 24: Hoare triple {35061#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35062#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} is VALID [2022-04-08 09:31:46,967 INFO L290 TraceCheckUtils]: 25: Hoare triple {35062#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35063#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} is VALID [2022-04-08 09:31:46,968 INFO L290 TraceCheckUtils]: 26: Hoare triple {35063#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35064#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} is VALID [2022-04-08 09:31:46,968 INFO L290 TraceCheckUtils]: 27: Hoare triple {35064#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35065#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} is VALID [2022-04-08 09:31:46,969 INFO L290 TraceCheckUtils]: 28: Hoare triple {35065#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35066#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} is VALID [2022-04-08 09:31:46,969 INFO L290 TraceCheckUtils]: 29: Hoare triple {35066#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35067#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} is VALID [2022-04-08 09:31:46,970 INFO L290 TraceCheckUtils]: 30: Hoare triple {35067#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35068#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} is VALID [2022-04-08 09:31:46,970 INFO L290 TraceCheckUtils]: 31: Hoare triple {35068#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35069#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} is VALID [2022-04-08 09:31:46,971 INFO L290 TraceCheckUtils]: 32: Hoare triple {35069#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35070#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} is VALID [2022-04-08 09:31:46,971 INFO L290 TraceCheckUtils]: 33: Hoare triple {35070#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35071#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} is VALID [2022-04-08 09:31:46,972 INFO L290 TraceCheckUtils]: 34: Hoare triple {35071#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35072#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} is VALID [2022-04-08 09:31:46,972 INFO L290 TraceCheckUtils]: 35: Hoare triple {35072#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35073#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} is VALID [2022-04-08 09:31:46,973 INFO L290 TraceCheckUtils]: 36: Hoare triple {35073#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35074#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} is VALID [2022-04-08 09:31:46,973 INFO L290 TraceCheckUtils]: 37: Hoare triple {35074#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35075#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} is VALID [2022-04-08 09:31:46,974 INFO L290 TraceCheckUtils]: 38: Hoare triple {35075#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35076#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} is VALID [2022-04-08 09:31:46,974 INFO L290 TraceCheckUtils]: 39: Hoare triple {35076#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35077#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} is VALID [2022-04-08 09:31:46,975 INFO L290 TraceCheckUtils]: 40: Hoare triple {35077#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35078#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} is VALID [2022-04-08 09:31:46,975 INFO L290 TraceCheckUtils]: 41: Hoare triple {35078#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35079#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} is VALID [2022-04-08 09:31:46,976 INFO L290 TraceCheckUtils]: 42: Hoare triple {35079#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35080#(and (<= main_~x~0 268435367) (<= 268435367 main_~x~0))} is VALID [2022-04-08 09:31:46,976 INFO L290 TraceCheckUtils]: 43: Hoare triple {35080#(and (<= main_~x~0 268435367) (<= 268435367 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35081#(and (<= 268435365 main_~x~0) (<= main_~x~0 268435365))} is VALID [2022-04-08 09:31:46,977 INFO L290 TraceCheckUtils]: 44: Hoare triple {35081#(and (<= 268435365 main_~x~0) (<= main_~x~0 268435365))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35082#(and (<= 268435363 main_~x~0) (<= main_~x~0 268435363))} is VALID [2022-04-08 09:31:46,977 INFO L290 TraceCheckUtils]: 45: Hoare triple {35082#(and (<= 268435363 main_~x~0) (<= main_~x~0 268435363))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35083#(and (<= main_~x~0 268435361) (<= 268435361 main_~x~0))} is VALID [2022-04-08 09:31:46,978 INFO L290 TraceCheckUtils]: 46: Hoare triple {35083#(and (<= main_~x~0 268435361) (<= 268435361 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35084#(and (<= main_~x~0 268435359) (<= 268435359 main_~x~0))} is VALID [2022-04-08 09:31:46,978 INFO L290 TraceCheckUtils]: 47: Hoare triple {35084#(and (<= main_~x~0 268435359) (<= 268435359 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35085#(and (<= main_~x~0 268435357) (<= 268435357 main_~x~0))} is VALID [2022-04-08 09:31:46,979 INFO L290 TraceCheckUtils]: 48: Hoare triple {35085#(and (<= main_~x~0 268435357) (<= 268435357 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35086#(and (<= main_~x~0 268435355) (<= 268435355 main_~x~0))} is VALID [2022-04-08 09:31:46,979 INFO L290 TraceCheckUtils]: 49: Hoare triple {35086#(and (<= main_~x~0 268435355) (<= 268435355 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35087#(and (<= main_~x~0 268435353) (<= 268435353 main_~x~0))} is VALID [2022-04-08 09:31:46,980 INFO L290 TraceCheckUtils]: 50: Hoare triple {35087#(and (<= main_~x~0 268435353) (<= 268435353 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35088#(and (<= 268435351 main_~x~0) (<= main_~x~0 268435351))} is VALID [2022-04-08 09:31:46,980 INFO L290 TraceCheckUtils]: 51: Hoare triple {35088#(and (<= 268435351 main_~x~0) (<= main_~x~0 268435351))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35089#(and (<= 268435349 main_~x~0) (<= main_~x~0 268435349))} is VALID [2022-04-08 09:31:46,981 INFO L290 TraceCheckUtils]: 52: Hoare triple {35089#(and (<= 268435349 main_~x~0) (<= main_~x~0 268435349))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35090#(and (<= 268435347 main_~x~0) (<= main_~x~0 268435347))} is VALID [2022-04-08 09:31:46,981 INFO L290 TraceCheckUtils]: 53: Hoare triple {35090#(and (<= 268435347 main_~x~0) (<= main_~x~0 268435347))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35091#(and (<= main_~x~0 268435345) (<= 268435345 main_~x~0))} is VALID [2022-04-08 09:31:46,982 INFO L290 TraceCheckUtils]: 54: Hoare triple {35091#(and (<= main_~x~0 268435345) (<= 268435345 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35092#(and (<= main_~x~0 268435343) (<= 268435343 main_~x~0))} is VALID [2022-04-08 09:31:46,982 INFO L290 TraceCheckUtils]: 55: Hoare triple {35092#(and (<= main_~x~0 268435343) (<= 268435343 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35093#(and (<= 268435341 main_~x~0) (<= main_~x~0 268435341))} is VALID [2022-04-08 09:31:46,983 INFO L290 TraceCheckUtils]: 56: Hoare triple {35093#(and (<= 268435341 main_~x~0) (<= main_~x~0 268435341))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35094#(and (<= 268435339 main_~x~0) (<= main_~x~0 268435339))} is VALID [2022-04-08 09:31:46,984 INFO L290 TraceCheckUtils]: 57: Hoare triple {35094#(and (<= 268435339 main_~x~0) (<= main_~x~0 268435339))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35095#(and (<= main_~x~0 268435337) (<= 268435337 main_~x~0))} is VALID [2022-04-08 09:31:46,984 INFO L290 TraceCheckUtils]: 58: Hoare triple {35095#(and (<= main_~x~0 268435337) (<= 268435337 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35096#(and (<= main_~x~0 268435335) (<= 268435335 main_~x~0))} is VALID [2022-04-08 09:31:46,985 INFO L290 TraceCheckUtils]: 59: Hoare triple {35096#(and (<= main_~x~0 268435335) (<= 268435335 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35097#(and (<= 268435333 main_~x~0) (<= main_~x~0 268435333))} is VALID [2022-04-08 09:31:46,985 INFO L290 TraceCheckUtils]: 60: Hoare triple {35097#(and (<= 268435333 main_~x~0) (<= main_~x~0 268435333))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35098#(and (<= 268435331 main_~x~0) (<= main_~x~0 268435331))} is VALID [2022-04-08 09:31:46,986 INFO L290 TraceCheckUtils]: 61: Hoare triple {35098#(and (<= 268435331 main_~x~0) (<= main_~x~0 268435331))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35099#(and (<= main_~x~0 268435329) (<= 268435329 main_~x~0))} is VALID [2022-04-08 09:31:46,986 INFO L290 TraceCheckUtils]: 62: Hoare triple {35099#(and (<= main_~x~0 268435329) (<= 268435329 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35100#(and (<= (div main_~x~0 4294967296) 0) (<= 268435327 main_~x~0))} is VALID [2022-04-08 09:31:46,987 INFO L290 TraceCheckUtils]: 63: Hoare triple {35100#(and (<= (div main_~x~0 4294967296) 0) (<= 268435327 main_~x~0))} assume !(~x~0 % 4294967296 > 1); {35039#false} is VALID [2022-04-08 09:31:46,987 INFO L272 TraceCheckUtils]: 64: Hoare triple {35039#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)); {35039#false} is VALID [2022-04-08 09:31:46,987 INFO L290 TraceCheckUtils]: 65: Hoare triple {35039#false} ~cond := #in~cond; {35039#false} is VALID [2022-04-08 09:31:46,987 INFO L290 TraceCheckUtils]: 66: Hoare triple {35039#false} assume 0 == ~cond; {35039#false} is VALID [2022-04-08 09:31:46,987 INFO L290 TraceCheckUtils]: 67: Hoare triple {35039#false} assume !false; {35039#false} is VALID [2022-04-08 09:31:46,987 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 0 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:31:46,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 09:31:46,988 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711346117] [2022-04-08 09:31:46,988 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711346117] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-08 09:31:46,988 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [429827923] [2022-04-08 09:31:46,988 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-04-08 09:31:46,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 09:31:46,988 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 09:31:46,989 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) [2022-04-08 09:31:46,990 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (58)] Waiting until timeout for monitored process [2022-04-08 09:32:04,033 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 30 check-sat command(s) [2022-04-08 09:32:04,033 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 09:32:04,043 WARN L261 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 120 conjunts are in the unsatisfiable core [2022-04-08 09:32:04,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:32:04,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 09:32:04,705 INFO L272 TraceCheckUtils]: 0: Hoare triple {35038#true} call ULTIMATE.init(); {35038#true} is VALID [2022-04-08 09:32:04,705 INFO L290 TraceCheckUtils]: 1: Hoare triple {35038#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(13, 2);call #Ultimate.allocInit(12, 3); {35038#true} is VALID [2022-04-08 09:32:04,705 INFO L290 TraceCheckUtils]: 2: Hoare triple {35038#true} assume true; {35038#true} is VALID [2022-04-08 09:32:04,705 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {35038#true} {35038#true} #34#return; {35038#true} is VALID [2022-04-08 09:32:04,706 INFO L272 TraceCheckUtils]: 4: Hoare triple {35038#true} call #t~ret4 := main(); {35038#true} is VALID [2022-04-08 09:32:04,706 INFO L290 TraceCheckUtils]: 5: Hoare triple {35038#true} ~x~0 := 268435441; {35043#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:32:04,707 INFO L290 TraceCheckUtils]: 6: Hoare triple {35043#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35044#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:32:04,707 INFO L290 TraceCheckUtils]: 7: Hoare triple {35044#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35045#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:32:04,708 INFO L290 TraceCheckUtils]: 8: Hoare triple {35045#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35046#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:32:04,708 INFO L290 TraceCheckUtils]: 9: Hoare triple {35046#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35047#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:32:04,709 INFO L290 TraceCheckUtils]: 10: Hoare triple {35047#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35048#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:32:04,709 INFO L290 TraceCheckUtils]: 11: Hoare triple {35048#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35049#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:32:04,710 INFO L290 TraceCheckUtils]: 12: Hoare triple {35049#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35050#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:32:04,710 INFO L290 TraceCheckUtils]: 13: Hoare triple {35050#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35051#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:32:04,711 INFO L290 TraceCheckUtils]: 14: Hoare triple {35051#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35052#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:32:04,711 INFO L290 TraceCheckUtils]: 15: Hoare triple {35052#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35053#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:32:04,712 INFO L290 TraceCheckUtils]: 16: Hoare triple {35053#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35054#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:32:04,712 INFO L290 TraceCheckUtils]: 17: Hoare triple {35054#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35055#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:32:04,713 INFO L290 TraceCheckUtils]: 18: Hoare triple {35055#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35056#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:32:04,713 INFO L290 TraceCheckUtils]: 19: Hoare triple {35056#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35057#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} is VALID [2022-04-08 09:32:04,714 INFO L290 TraceCheckUtils]: 20: Hoare triple {35057#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35058#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} is VALID [2022-04-08 09:32:04,714 INFO L290 TraceCheckUtils]: 21: Hoare triple {35058#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35059#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} is VALID [2022-04-08 09:32:04,715 INFO L290 TraceCheckUtils]: 22: Hoare triple {35059#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35060#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} is VALID [2022-04-08 09:32:04,715 INFO L290 TraceCheckUtils]: 23: Hoare triple {35060#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35061#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} is VALID [2022-04-08 09:32:04,716 INFO L290 TraceCheckUtils]: 24: Hoare triple {35061#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35062#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} is VALID [2022-04-08 09:32:04,716 INFO L290 TraceCheckUtils]: 25: Hoare triple {35062#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35063#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} is VALID [2022-04-08 09:32:04,717 INFO L290 TraceCheckUtils]: 26: Hoare triple {35063#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35064#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} is VALID [2022-04-08 09:32:04,717 INFO L290 TraceCheckUtils]: 27: Hoare triple {35064#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35065#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} is VALID [2022-04-08 09:32:04,718 INFO L290 TraceCheckUtils]: 28: Hoare triple {35065#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35066#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} is VALID [2022-04-08 09:32:04,719 INFO L290 TraceCheckUtils]: 29: Hoare triple {35066#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35067#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} is VALID [2022-04-08 09:32:04,719 INFO L290 TraceCheckUtils]: 30: Hoare triple {35067#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35068#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} is VALID [2022-04-08 09:32:04,720 INFO L290 TraceCheckUtils]: 31: Hoare triple {35068#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35069#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} is VALID [2022-04-08 09:32:04,720 INFO L290 TraceCheckUtils]: 32: Hoare triple {35069#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35070#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} is VALID [2022-04-08 09:32:04,721 INFO L290 TraceCheckUtils]: 33: Hoare triple {35070#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35071#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} is VALID [2022-04-08 09:32:04,721 INFO L290 TraceCheckUtils]: 34: Hoare triple {35071#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35072#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} is VALID [2022-04-08 09:32:04,722 INFO L290 TraceCheckUtils]: 35: Hoare triple {35072#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35073#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} is VALID [2022-04-08 09:32:04,722 INFO L290 TraceCheckUtils]: 36: Hoare triple {35073#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35074#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} is VALID [2022-04-08 09:32:04,723 INFO L290 TraceCheckUtils]: 37: Hoare triple {35074#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35075#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} is VALID [2022-04-08 09:32:04,723 INFO L290 TraceCheckUtils]: 38: Hoare triple {35075#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35076#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} is VALID [2022-04-08 09:32:04,724 INFO L290 TraceCheckUtils]: 39: Hoare triple {35076#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35077#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} is VALID [2022-04-08 09:32:04,724 INFO L290 TraceCheckUtils]: 40: Hoare triple {35077#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35078#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} is VALID [2022-04-08 09:32:04,725 INFO L290 TraceCheckUtils]: 41: Hoare triple {35078#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35079#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} is VALID [2022-04-08 09:32:04,725 INFO L290 TraceCheckUtils]: 42: Hoare triple {35079#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35080#(and (<= main_~x~0 268435367) (<= 268435367 main_~x~0))} is VALID [2022-04-08 09:32:04,726 INFO L290 TraceCheckUtils]: 43: Hoare triple {35080#(and (<= main_~x~0 268435367) (<= 268435367 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35081#(and (<= 268435365 main_~x~0) (<= main_~x~0 268435365))} is VALID [2022-04-08 09:32:04,726 INFO L290 TraceCheckUtils]: 44: Hoare triple {35081#(and (<= 268435365 main_~x~0) (<= main_~x~0 268435365))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35082#(and (<= 268435363 main_~x~0) (<= main_~x~0 268435363))} is VALID [2022-04-08 09:32:04,727 INFO L290 TraceCheckUtils]: 45: Hoare triple {35082#(and (<= 268435363 main_~x~0) (<= main_~x~0 268435363))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35083#(and (<= main_~x~0 268435361) (<= 268435361 main_~x~0))} is VALID [2022-04-08 09:32:04,727 INFO L290 TraceCheckUtils]: 46: Hoare triple {35083#(and (<= main_~x~0 268435361) (<= 268435361 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35084#(and (<= main_~x~0 268435359) (<= 268435359 main_~x~0))} is VALID [2022-04-08 09:32:04,728 INFO L290 TraceCheckUtils]: 47: Hoare triple {35084#(and (<= main_~x~0 268435359) (<= 268435359 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35085#(and (<= main_~x~0 268435357) (<= 268435357 main_~x~0))} is VALID [2022-04-08 09:32:04,728 INFO L290 TraceCheckUtils]: 48: Hoare triple {35085#(and (<= main_~x~0 268435357) (<= 268435357 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35086#(and (<= main_~x~0 268435355) (<= 268435355 main_~x~0))} is VALID [2022-04-08 09:32:04,729 INFO L290 TraceCheckUtils]: 49: Hoare triple {35086#(and (<= main_~x~0 268435355) (<= 268435355 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35087#(and (<= main_~x~0 268435353) (<= 268435353 main_~x~0))} is VALID [2022-04-08 09:32:04,729 INFO L290 TraceCheckUtils]: 50: Hoare triple {35087#(and (<= main_~x~0 268435353) (<= 268435353 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35088#(and (<= 268435351 main_~x~0) (<= main_~x~0 268435351))} is VALID [2022-04-08 09:32:04,730 INFO L290 TraceCheckUtils]: 51: Hoare triple {35088#(and (<= 268435351 main_~x~0) (<= main_~x~0 268435351))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35089#(and (<= 268435349 main_~x~0) (<= main_~x~0 268435349))} is VALID [2022-04-08 09:32:04,730 INFO L290 TraceCheckUtils]: 52: Hoare triple {35089#(and (<= 268435349 main_~x~0) (<= main_~x~0 268435349))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35090#(and (<= 268435347 main_~x~0) (<= main_~x~0 268435347))} is VALID [2022-04-08 09:32:04,731 INFO L290 TraceCheckUtils]: 53: Hoare triple {35090#(and (<= 268435347 main_~x~0) (<= main_~x~0 268435347))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35091#(and (<= main_~x~0 268435345) (<= 268435345 main_~x~0))} is VALID [2022-04-08 09:32:04,731 INFO L290 TraceCheckUtils]: 54: Hoare triple {35091#(and (<= main_~x~0 268435345) (<= 268435345 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35092#(and (<= main_~x~0 268435343) (<= 268435343 main_~x~0))} is VALID [2022-04-08 09:32:04,732 INFO L290 TraceCheckUtils]: 55: Hoare triple {35092#(and (<= main_~x~0 268435343) (<= 268435343 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35093#(and (<= 268435341 main_~x~0) (<= main_~x~0 268435341))} is VALID [2022-04-08 09:32:04,732 INFO L290 TraceCheckUtils]: 56: Hoare triple {35093#(and (<= 268435341 main_~x~0) (<= main_~x~0 268435341))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35094#(and (<= 268435339 main_~x~0) (<= main_~x~0 268435339))} is VALID [2022-04-08 09:32:04,733 INFO L290 TraceCheckUtils]: 57: Hoare triple {35094#(and (<= 268435339 main_~x~0) (<= main_~x~0 268435339))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35095#(and (<= main_~x~0 268435337) (<= 268435337 main_~x~0))} is VALID [2022-04-08 09:32:04,733 INFO L290 TraceCheckUtils]: 58: Hoare triple {35095#(and (<= main_~x~0 268435337) (<= 268435337 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35096#(and (<= main_~x~0 268435335) (<= 268435335 main_~x~0))} is VALID [2022-04-08 09:32:04,734 INFO L290 TraceCheckUtils]: 59: Hoare triple {35096#(and (<= main_~x~0 268435335) (<= 268435335 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35097#(and (<= 268435333 main_~x~0) (<= main_~x~0 268435333))} is VALID [2022-04-08 09:32:04,734 INFO L290 TraceCheckUtils]: 60: Hoare triple {35097#(and (<= 268435333 main_~x~0) (<= main_~x~0 268435333))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35098#(and (<= 268435331 main_~x~0) (<= main_~x~0 268435331))} is VALID [2022-04-08 09:32:04,735 INFO L290 TraceCheckUtils]: 61: Hoare triple {35098#(and (<= 268435331 main_~x~0) (<= main_~x~0 268435331))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35099#(and (<= main_~x~0 268435329) (<= 268435329 main_~x~0))} is VALID [2022-04-08 09:32:04,736 INFO L290 TraceCheckUtils]: 62: Hoare triple {35099#(and (<= main_~x~0 268435329) (<= 268435329 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35291#(and (<= main_~x~0 268435327) (<= 268435327 main_~x~0))} is VALID [2022-04-08 09:32:04,736 INFO L290 TraceCheckUtils]: 63: Hoare triple {35291#(and (<= main_~x~0 268435327) (<= 268435327 main_~x~0))} assume !(~x~0 % 4294967296 > 1); {35039#false} is VALID [2022-04-08 09:32:04,736 INFO L272 TraceCheckUtils]: 64: Hoare triple {35039#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)); {35039#false} is VALID [2022-04-08 09:32:04,736 INFO L290 TraceCheckUtils]: 65: Hoare triple {35039#false} ~cond := #in~cond; {35039#false} is VALID [2022-04-08 09:32:04,736 INFO L290 TraceCheckUtils]: 66: Hoare triple {35039#false} assume 0 == ~cond; {35039#false} is VALID [2022-04-08 09:32:04,736 INFO L290 TraceCheckUtils]: 67: Hoare triple {35039#false} assume !false; {35039#false} is VALID [2022-04-08 09:32:04,737 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 0 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:32:04,737 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 09:32:11,628 INFO L290 TraceCheckUtils]: 67: Hoare triple {35039#false} assume !false; {35039#false} is VALID [2022-04-08 09:32:11,628 INFO L290 TraceCheckUtils]: 66: Hoare triple {35310#(not (<= __VERIFIER_assert_~cond 0))} assume 0 == ~cond; {35039#false} is VALID [2022-04-08 09:32:11,629 INFO L290 TraceCheckUtils]: 65: Hoare triple {35314#(< 0 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {35310#(not (<= __VERIFIER_assert_~cond 0))} is VALID [2022-04-08 09:32:11,629 INFO L272 TraceCheckUtils]: 64: Hoare triple {35318#(= (mod main_~x~0 2) 0)} 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)); {35314#(< 0 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-08 09:32:11,630 INFO L290 TraceCheckUtils]: 63: Hoare triple {35322#(or (< 1 (mod main_~x~0 4294967296)) (= (mod main_~x~0 2) 0))} assume !(~x~0 % 4294967296 > 1); {35318#(= (mod main_~x~0 2) 0)} is VALID [2022-04-08 09:32:11,632 INFO L290 TraceCheckUtils]: 62: Hoare triple {35326#(or (< 1 (mod (+ main_~x~0 4294967294) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35322#(or (< 1 (mod main_~x~0 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:11,634 INFO L290 TraceCheckUtils]: 61: Hoare triple {35330#(or (< 1 (mod (+ 4294967292 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35326#(or (< 1 (mod (+ main_~x~0 4294967294) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:11,635 INFO L290 TraceCheckUtils]: 60: Hoare triple {35334#(or (< 1 (mod (+ 4294967290 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35330#(or (< 1 (mod (+ 4294967292 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:11,636 INFO L290 TraceCheckUtils]: 59: Hoare triple {35338#(or (< 1 (mod (+ 4294967288 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35334#(or (< 1 (mod (+ 4294967290 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:11,637 INFO L290 TraceCheckUtils]: 58: Hoare triple {35342#(or (< 1 (mod (+ main_~x~0 4294967286) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35338#(or (< 1 (mod (+ 4294967288 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:11,638 INFO L290 TraceCheckUtils]: 57: Hoare triple {35346#(or (< 1 (mod (+ main_~x~0 4294967284) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35342#(or (< 1 (mod (+ main_~x~0 4294967286) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:11,639 INFO L290 TraceCheckUtils]: 56: Hoare triple {35350#(or (< 1 (mod (+ 4294967282 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35346#(or (< 1 (mod (+ main_~x~0 4294967284) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:11,640 INFO L290 TraceCheckUtils]: 55: Hoare triple {35354#(or (< 1 (mod (+ main_~x~0 4294967280) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35350#(or (< 1 (mod (+ 4294967282 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:11,640 INFO L290 TraceCheckUtils]: 54: Hoare triple {35358#(or (< 1 (mod (+ main_~x~0 4294967278) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35354#(or (< 1 (mod (+ main_~x~0 4294967280) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:11,642 INFO L290 TraceCheckUtils]: 53: Hoare triple {35362#(or (< 1 (mod (+ 4294967276 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35358#(or (< 1 (mod (+ main_~x~0 4294967278) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:11,643 INFO L290 TraceCheckUtils]: 52: Hoare triple {35366#(or (< 1 (mod (+ 4294967274 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35362#(or (< 1 (mod (+ 4294967276 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:11,644 INFO L290 TraceCheckUtils]: 51: Hoare triple {35370#(or (< 1 (mod (+ 4294967272 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35366#(or (< 1 (mod (+ 4294967274 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:11,645 INFO L290 TraceCheckUtils]: 50: Hoare triple {35374#(or (< 1 (mod (+ main_~x~0 4294967270) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35370#(or (< 1 (mod (+ 4294967272 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:11,646 INFO L290 TraceCheckUtils]: 49: Hoare triple {35378#(or (< 1 (mod (+ main_~x~0 4294967268) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35374#(or (< 1 (mod (+ main_~x~0 4294967270) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:11,647 INFO L290 TraceCheckUtils]: 48: Hoare triple {35382#(or (< 1 (mod (+ main_~x~0 4294967266) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35378#(or (< 1 (mod (+ main_~x~0 4294967268) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:11,652 INFO L290 TraceCheckUtils]: 47: Hoare triple {35386#(or (< 1 (mod (+ main_~x~0 4294967264) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35382#(or (< 1 (mod (+ main_~x~0 4294967266) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:11,653 INFO L290 TraceCheckUtils]: 46: Hoare triple {35390#(or (< 1 (mod (+ main_~x~0 4294967262) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35386#(or (< 1 (mod (+ main_~x~0 4294967264) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:11,656 INFO L290 TraceCheckUtils]: 45: Hoare triple {35394#(or (< 1 (mod (+ 4294967260 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35390#(or (< 1 (mod (+ main_~x~0 4294967262) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:11,657 INFO L290 TraceCheckUtils]: 44: Hoare triple {35398#(or (< 1 (mod (+ main_~x~0 4294967258) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35394#(or (< 1 (mod (+ 4294967260 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:11,657 INFO L290 TraceCheckUtils]: 43: Hoare triple {35402#(or (< 1 (mod (+ main_~x~0 4294967256) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35398#(or (< 1 (mod (+ main_~x~0 4294967258) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:11,659 INFO L290 TraceCheckUtils]: 42: Hoare triple {35406#(or (< 1 (mod (+ 4294967254 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35402#(or (< 1 (mod (+ main_~x~0 4294967256) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:11,659 INFO L290 TraceCheckUtils]: 41: Hoare triple {35410#(or (< 1 (mod (+ main_~x~0 4294967252) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35406#(or (< 1 (mod (+ 4294967254 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:11,660 INFO L290 TraceCheckUtils]: 40: Hoare triple {35414#(or (< 1 (mod (+ 4294967250 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35410#(or (< 1 (mod (+ main_~x~0 4294967252) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:11,661 INFO L290 TraceCheckUtils]: 39: Hoare triple {35418#(or (< 1 (mod (+ main_~x~0 4294967248) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35414#(or (< 1 (mod (+ 4294967250 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:11,662 INFO L290 TraceCheckUtils]: 38: Hoare triple {35422#(or (< 1 (mod (+ 4294967246 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35418#(or (< 1 (mod (+ main_~x~0 4294967248) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:11,663 INFO L290 TraceCheckUtils]: 37: Hoare triple {35426#(or (< 1 (mod (+ main_~x~0 4294967244) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35422#(or (< 1 (mod (+ 4294967246 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:11,663 INFO L290 TraceCheckUtils]: 36: Hoare triple {35430#(or (< 1 (mod (+ main_~x~0 4294967242) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35426#(or (< 1 (mod (+ main_~x~0 4294967244) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:11,664 INFO L290 TraceCheckUtils]: 35: Hoare triple {35434#(or (< 1 (mod (+ 4294967240 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35430#(or (< 1 (mod (+ main_~x~0 4294967242) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:11,665 INFO L290 TraceCheckUtils]: 34: Hoare triple {35438#(or (< 1 (mod (+ 4294967238 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35434#(or (< 1 (mod (+ 4294967240 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:11,668 INFO L290 TraceCheckUtils]: 33: Hoare triple {35442#(or (< 1 (mod (+ main_~x~0 4294967236) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35438#(or (< 1 (mod (+ 4294967238 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:11,671 INFO L290 TraceCheckUtils]: 32: Hoare triple {35446#(or (< 1 (mod (+ main_~x~0 4294967234) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35442#(or (< 1 (mod (+ main_~x~0 4294967236) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:11,672 INFO L290 TraceCheckUtils]: 31: Hoare triple {35450#(or (< 1 (mod (+ main_~x~0 4294967232) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35446#(or (< 1 (mod (+ main_~x~0 4294967234) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:11,673 INFO L290 TraceCheckUtils]: 30: Hoare triple {35454#(or (< 1 (mod (+ 4294967230 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35450#(or (< 1 (mod (+ main_~x~0 4294967232) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:11,673 INFO L290 TraceCheckUtils]: 29: Hoare triple {35458#(or (< 1 (mod (+ main_~x~0 4294967228) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35454#(or (< 1 (mod (+ 4294967230 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:11,675 INFO L290 TraceCheckUtils]: 28: Hoare triple {35462#(or (< 1 (mod (+ main_~x~0 4294967226) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35458#(or (< 1 (mod (+ main_~x~0 4294967228) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:11,676 INFO L290 TraceCheckUtils]: 27: Hoare triple {35466#(or (< 1 (mod (+ 4294967224 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35462#(or (< 1 (mod (+ main_~x~0 4294967226) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:11,676 INFO L290 TraceCheckUtils]: 26: Hoare triple {35470#(or (< 1 (mod (+ main_~x~0 4294967222) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35466#(or (< 1 (mod (+ 4294967224 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:11,678 INFO L290 TraceCheckUtils]: 25: Hoare triple {35474#(or (< 1 (mod (+ main_~x~0 4294967220) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35470#(or (< 1 (mod (+ main_~x~0 4294967222) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:11,680 INFO L290 TraceCheckUtils]: 24: Hoare triple {35478#(or (< 1 (mod (+ 4294967218 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35474#(or (< 1 (mod (+ main_~x~0 4294967220) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:11,681 INFO L290 TraceCheckUtils]: 23: Hoare triple {35482#(or (< 1 (mod (+ 4294967216 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35478#(or (< 1 (mod (+ 4294967218 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:11,682 INFO L290 TraceCheckUtils]: 22: Hoare triple {35486#(or (< 1 (mod (+ main_~x~0 4294967214) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35482#(or (< 1 (mod (+ 4294967216 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:11,683 INFO L290 TraceCheckUtils]: 21: Hoare triple {35490#(or (< 1 (mod (+ 4294967212 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35486#(or (< 1 (mod (+ main_~x~0 4294967214) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:11,685 INFO L290 TraceCheckUtils]: 20: Hoare triple {35494#(or (< 1 (mod (+ 4294967210 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35490#(or (< 1 (mod (+ 4294967212 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:11,685 INFO L290 TraceCheckUtils]: 19: Hoare triple {35498#(or (< 1 (mod (+ main_~x~0 4294967208) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35494#(or (< 1 (mod (+ 4294967210 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:11,686 INFO L290 TraceCheckUtils]: 18: Hoare triple {35502#(or (< 1 (mod (+ 4294967206 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35498#(or (< 1 (mod (+ main_~x~0 4294967208) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:11,687 INFO L290 TraceCheckUtils]: 17: Hoare triple {35506#(or (< 1 (mod (+ main_~x~0 4294967204) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35502#(or (< 1 (mod (+ 4294967206 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:11,688 INFO L290 TraceCheckUtils]: 16: Hoare triple {35510#(or (< 1 (mod (+ 4294967202 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35506#(or (< 1 (mod (+ main_~x~0 4294967204) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:11,689 INFO L290 TraceCheckUtils]: 15: Hoare triple {35514#(or (< 1 (mod (+ 4294967200 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35510#(or (< 1 (mod (+ 4294967202 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:11,690 INFO L290 TraceCheckUtils]: 14: Hoare triple {35518#(or (< 1 (mod (+ 4294967198 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35514#(or (< 1 (mod (+ 4294967200 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:11,691 INFO L290 TraceCheckUtils]: 13: Hoare triple {35522#(or (< 1 (mod (+ 4294967196 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35518#(or (< 1 (mod (+ 4294967198 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:11,692 INFO L290 TraceCheckUtils]: 12: Hoare triple {35526#(or (< 1 (mod (+ 4294967194 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35522#(or (< 1 (mod (+ 4294967196 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:11,693 INFO L290 TraceCheckUtils]: 11: Hoare triple {35530#(or (< 1 (mod (+ 4294967192 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35526#(or (< 1 (mod (+ 4294967194 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:11,694 INFO L290 TraceCheckUtils]: 10: Hoare triple {35534#(or (< 1 (mod (+ main_~x~0 4294967190) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35530#(or (< 1 (mod (+ 4294967192 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:11,695 INFO L290 TraceCheckUtils]: 9: Hoare triple {35538#(or (< 1 (mod (+ 4294967188 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35534#(or (< 1 (mod (+ main_~x~0 4294967190) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:11,696 INFO L290 TraceCheckUtils]: 8: Hoare triple {35542#(or (< 1 (mod (+ main_~x~0 4294967186) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35538#(or (< 1 (mod (+ 4294967188 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:11,697 INFO L290 TraceCheckUtils]: 7: Hoare triple {35546#(or (< 1 (mod (+ main_~x~0 4294967184) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35542#(or (< 1 (mod (+ main_~x~0 4294967186) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:11,697 INFO L290 TraceCheckUtils]: 6: Hoare triple {35550#(or (< 1 (mod (+ main_~x~0 4294967182) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {35546#(or (< 1 (mod (+ main_~x~0 4294967184) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:11,698 INFO L290 TraceCheckUtils]: 5: Hoare triple {35038#true} ~x~0 := 268435441; {35550#(or (< 1 (mod (+ main_~x~0 4294967182) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:11,698 INFO L272 TraceCheckUtils]: 4: Hoare triple {35038#true} call #t~ret4 := main(); {35038#true} is VALID [2022-04-08 09:32:11,698 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {35038#true} {35038#true} #34#return; {35038#true} is VALID [2022-04-08 09:32:11,698 INFO L290 TraceCheckUtils]: 2: Hoare triple {35038#true} assume true; {35038#true} is VALID [2022-04-08 09:32:11,698 INFO L290 TraceCheckUtils]: 1: Hoare triple {35038#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(13, 2);call #Ultimate.allocInit(12, 3); {35038#true} is VALID [2022-04-08 09:32:11,698 INFO L272 TraceCheckUtils]: 0: Hoare triple {35038#true} call ULTIMATE.init(); {35038#true} is VALID [2022-04-08 09:32:11,699 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 0 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:32:11,699 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [429827923] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-08 09:32:11,699 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-08 09:32:11,699 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [61, 60, 63] total 123 [2022-04-08 09:32:11,700 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 09:32:11,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [1526048601] [2022-04-08 09:32:11,700 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [1526048601] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 09:32:11,700 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 09:32:11,700 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [61] imperfect sequences [] total 61 [2022-04-08 09:32:11,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133159526] [2022-04-08 09:32:11,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 09:32:11,700 INFO L78 Accepts]: Start accepts. Automaton has has 61 states, 61 states have (on average 1.0491803278688525) internal successors, (64), 60 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 [2022-04-08 09:32:11,700 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 09:32:11,700 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 61 states, 61 states have (on average 1.0491803278688525) internal successors, (64), 60 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) [2022-04-08 09:32:11,737 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 68 edges. 68 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:32:11,737 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2022-04-08 09:32:11,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 09:32:11,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2022-04-08 09:32:11,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3781, Invalid=11225, Unknown=0, NotChecked=0, Total=15006 [2022-04-08 09:32:11,739 INFO L87 Difference]: Start difference. First operand 69 states and 69 transitions. Second operand has 61 states, 61 states have (on average 1.0491803278688525) internal successors, (64), 60 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) [2022-04-08 09:32:18,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:32:18,485 INFO L93 Difference]: Finished difference Result 75 states and 75 transitions. [2022-04-08 09:32:18,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-04-08 09:32:18,485 INFO L78 Accepts]: Start accepts. Automaton has has 61 states, 61 states have (on average 1.0491803278688525) internal successors, (64), 60 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 [2022-04-08 09:32:18,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 09:32:18,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 61 states have (on average 1.0491803278688525) internal successors, (64), 60 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) [2022-04-08 09:32:18,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 75 transitions. [2022-04-08 09:32:18,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 61 states have (on average 1.0491803278688525) internal successors, (64), 60 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) [2022-04-08 09:32:18,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 75 transitions. [2022-04-08 09:32:18,487 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 61 states and 75 transitions. [2022-04-08 09:32:18,553 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 75 edges. 75 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:32:18,554 INFO L225 Difference]: With dead ends: 75 [2022-04-08 09:32:18,554 INFO L226 Difference]: Without dead ends: 70 [2022-04-08 09:32:18,556 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 76 SyntacticMatches, 1 SemanticMatches, 179 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1778 ImplicationChecksByTransitivity, 9.6s TimeCoverageRelationStatistics Valid=7491, Invalid=25089, Unknown=0, NotChecked=0, Total=32580 [2022-04-08 09:32:18,556 INFO L913 BasicCegarLoop]: 11 mSDtfsCounter, 6 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 3448 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 3565 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 3448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-04-08 09:32:18,556 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 153 Invalid, 3565 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 3448 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-04-08 09:32:18,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2022-04-08 09:32:18,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2022-04-08 09:32:18,634 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 09:32:18,634 INFO L82 GeneralOperation]: Start isEquivalent. First operand 70 states. Second operand has 70 states, 65 states have (on average 1.0153846153846153) internal successors, (66), 65 states have internal predecessors, (66), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:32:18,634 INFO L74 IsIncluded]: Start isIncluded. First operand 70 states. Second operand has 70 states, 65 states have (on average 1.0153846153846153) internal successors, (66), 65 states have internal predecessors, (66), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:32:18,635 INFO L87 Difference]: Start difference. First operand 70 states. Second operand has 70 states, 65 states have (on average 1.0153846153846153) internal successors, (66), 65 states have internal predecessors, (66), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:32:18,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:32:18,635 INFO L93 Difference]: Finished difference Result 70 states and 70 transitions. [2022-04-08 09:32:18,635 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 70 transitions. [2022-04-08 09:32:18,636 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:32:18,636 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:32:18,636 INFO L74 IsIncluded]: Start isIncluded. First operand has 70 states, 65 states have (on average 1.0153846153846153) internal successors, (66), 65 states have internal predecessors, (66), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 70 states. [2022-04-08 09:32:18,636 INFO L87 Difference]: Start difference. First operand has 70 states, 65 states have (on average 1.0153846153846153) internal successors, (66), 65 states have internal predecessors, (66), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 70 states. [2022-04-08 09:32:18,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:32:18,637 INFO L93 Difference]: Finished difference Result 70 states and 70 transitions. [2022-04-08 09:32:18,637 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 70 transitions. [2022-04-08 09:32:18,637 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:32:18,637 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:32:18,637 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 09:32:18,637 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 09:32:18,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 65 states have (on average 1.0153846153846153) internal successors, (66), 65 states have internal predecessors, (66), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:32:18,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 70 transitions. [2022-04-08 09:32:18,638 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 70 transitions. Word has length 68 [2022-04-08 09:32:18,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 09:32:18,639 INFO L478 AbstractCegarLoop]: Abstraction has 70 states and 70 transitions. [2022-04-08 09:32:18,639 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 61 states have (on average 1.0491803278688525) internal successors, (64), 60 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) [2022-04-08 09:32:18,639 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 70 states and 70 transitions. [2022-04-08 09:32:18,692 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 70 edges. 70 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:32:18,692 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 70 transitions. [2022-04-08 09:32:18,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-04-08 09:32:18,692 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 09:32:18,693 INFO L499 BasicCegarLoop]: trace histogram [58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 09:32:18,704 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (58)] Ended with exit code 0 [2022-04-08 09:32:18,904 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 58 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable58 [2022-04-08 09:32:18,905 INFO L403 AbstractCegarLoop]: === Iteration 60 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 09:32:18,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 09:32:18,905 INFO L85 PathProgramCache]: Analyzing trace with hash -1525786084, now seen corresponding path program 115 times [2022-04-08 09:32:18,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 09:32:18,905 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [516535674] [2022-04-08 09:32:18,908 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-08 09:32:18,908 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-08 09:32:18,908 INFO L85 PathProgramCache]: Analyzing trace with hash -1525786084, now seen corresponding path program 116 times [2022-04-08 09:32:18,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 09:32:18,908 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013745635] [2022-04-08 09:32:18,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 09:32:18,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 09:32:18,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:32:20,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-08 09:32:20,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:32:20,720 INFO L290 TraceCheckUtils]: 0: Hoare triple {36181#(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(13, 2);call #Ultimate.allocInit(12, 3); {36117#true} is VALID [2022-04-08 09:32:20,720 INFO L290 TraceCheckUtils]: 1: Hoare triple {36117#true} assume true; {36117#true} is VALID [2022-04-08 09:32:20,721 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {36117#true} {36117#true} #34#return; {36117#true} is VALID [2022-04-08 09:32:20,721 INFO L272 TraceCheckUtils]: 0: Hoare triple {36117#true} call ULTIMATE.init(); {36181#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-08 09:32:20,721 INFO L290 TraceCheckUtils]: 1: Hoare triple {36181#(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(13, 2);call #Ultimate.allocInit(12, 3); {36117#true} is VALID [2022-04-08 09:32:20,721 INFO L290 TraceCheckUtils]: 2: Hoare triple {36117#true} assume true; {36117#true} is VALID [2022-04-08 09:32:20,721 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {36117#true} {36117#true} #34#return; {36117#true} is VALID [2022-04-08 09:32:20,722 INFO L272 TraceCheckUtils]: 4: Hoare triple {36117#true} call #t~ret4 := main(); {36117#true} is VALID [2022-04-08 09:32:20,722 INFO L290 TraceCheckUtils]: 5: Hoare triple {36117#true} ~x~0 := 268435441; {36122#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:32:20,723 INFO L290 TraceCheckUtils]: 6: Hoare triple {36122#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36123#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:32:20,724 INFO L290 TraceCheckUtils]: 7: Hoare triple {36123#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36124#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:32:20,724 INFO L290 TraceCheckUtils]: 8: Hoare triple {36124#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36125#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:32:20,725 INFO L290 TraceCheckUtils]: 9: Hoare triple {36125#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36126#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:32:20,726 INFO L290 TraceCheckUtils]: 10: Hoare triple {36126#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36127#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:32:20,726 INFO L290 TraceCheckUtils]: 11: Hoare triple {36127#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36128#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:32:20,727 INFO L290 TraceCheckUtils]: 12: Hoare triple {36128#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36129#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:32:20,728 INFO L290 TraceCheckUtils]: 13: Hoare triple {36129#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36130#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:32:20,728 INFO L290 TraceCheckUtils]: 14: Hoare triple {36130#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36131#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:32:20,729 INFO L290 TraceCheckUtils]: 15: Hoare triple {36131#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36132#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:32:20,730 INFO L290 TraceCheckUtils]: 16: Hoare triple {36132#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36133#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:32:20,730 INFO L290 TraceCheckUtils]: 17: Hoare triple {36133#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36134#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:32:20,731 INFO L290 TraceCheckUtils]: 18: Hoare triple {36134#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36135#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:32:20,732 INFO L290 TraceCheckUtils]: 19: Hoare triple {36135#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36136#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} is VALID [2022-04-08 09:32:20,732 INFO L290 TraceCheckUtils]: 20: Hoare triple {36136#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36137#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} is VALID [2022-04-08 09:32:20,733 INFO L290 TraceCheckUtils]: 21: Hoare triple {36137#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36138#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} is VALID [2022-04-08 09:32:20,733 INFO L290 TraceCheckUtils]: 22: Hoare triple {36138#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36139#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} is VALID [2022-04-08 09:32:20,734 INFO L290 TraceCheckUtils]: 23: Hoare triple {36139#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36140#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} is VALID [2022-04-08 09:32:20,735 INFO L290 TraceCheckUtils]: 24: Hoare triple {36140#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36141#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} is VALID [2022-04-08 09:32:20,735 INFO L290 TraceCheckUtils]: 25: Hoare triple {36141#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36142#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} is VALID [2022-04-08 09:32:20,736 INFO L290 TraceCheckUtils]: 26: Hoare triple {36142#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36143#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} is VALID [2022-04-08 09:32:20,737 INFO L290 TraceCheckUtils]: 27: Hoare triple {36143#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36144#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} is VALID [2022-04-08 09:32:20,737 INFO L290 TraceCheckUtils]: 28: Hoare triple {36144#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36145#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} is VALID [2022-04-08 09:32:20,738 INFO L290 TraceCheckUtils]: 29: Hoare triple {36145#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36146#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} is VALID [2022-04-08 09:32:20,739 INFO L290 TraceCheckUtils]: 30: Hoare triple {36146#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36147#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} is VALID [2022-04-08 09:32:20,739 INFO L290 TraceCheckUtils]: 31: Hoare triple {36147#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36148#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} is VALID [2022-04-08 09:32:20,740 INFO L290 TraceCheckUtils]: 32: Hoare triple {36148#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36149#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} is VALID [2022-04-08 09:32:20,740 INFO L290 TraceCheckUtils]: 33: Hoare triple {36149#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36150#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} is VALID [2022-04-08 09:32:20,741 INFO L290 TraceCheckUtils]: 34: Hoare triple {36150#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36151#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} is VALID [2022-04-08 09:32:20,742 INFO L290 TraceCheckUtils]: 35: Hoare triple {36151#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36152#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} is VALID [2022-04-08 09:32:20,742 INFO L290 TraceCheckUtils]: 36: Hoare triple {36152#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36153#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} is VALID [2022-04-08 09:32:20,743 INFO L290 TraceCheckUtils]: 37: Hoare triple {36153#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36154#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} is VALID [2022-04-08 09:32:20,744 INFO L290 TraceCheckUtils]: 38: Hoare triple {36154#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36155#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} is VALID [2022-04-08 09:32:20,744 INFO L290 TraceCheckUtils]: 39: Hoare triple {36155#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36156#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} is VALID [2022-04-08 09:32:20,745 INFO L290 TraceCheckUtils]: 40: Hoare triple {36156#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36157#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} is VALID [2022-04-08 09:32:20,746 INFO L290 TraceCheckUtils]: 41: Hoare triple {36157#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36158#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} is VALID [2022-04-08 09:32:20,746 INFO L290 TraceCheckUtils]: 42: Hoare triple {36158#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36159#(and (<= main_~x~0 268435367) (<= 268435367 main_~x~0))} is VALID [2022-04-08 09:32:20,747 INFO L290 TraceCheckUtils]: 43: Hoare triple {36159#(and (<= main_~x~0 268435367) (<= 268435367 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36160#(and (<= 268435365 main_~x~0) (<= main_~x~0 268435365))} is VALID [2022-04-08 09:32:20,747 INFO L290 TraceCheckUtils]: 44: Hoare triple {36160#(and (<= 268435365 main_~x~0) (<= main_~x~0 268435365))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36161#(and (<= 268435363 main_~x~0) (<= main_~x~0 268435363))} is VALID [2022-04-08 09:32:20,748 INFO L290 TraceCheckUtils]: 45: Hoare triple {36161#(and (<= 268435363 main_~x~0) (<= main_~x~0 268435363))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36162#(and (<= main_~x~0 268435361) (<= 268435361 main_~x~0))} is VALID [2022-04-08 09:32:20,749 INFO L290 TraceCheckUtils]: 46: Hoare triple {36162#(and (<= main_~x~0 268435361) (<= 268435361 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36163#(and (<= main_~x~0 268435359) (<= 268435359 main_~x~0))} is VALID [2022-04-08 09:32:20,749 INFO L290 TraceCheckUtils]: 47: Hoare triple {36163#(and (<= main_~x~0 268435359) (<= 268435359 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36164#(and (<= main_~x~0 268435357) (<= 268435357 main_~x~0))} is VALID [2022-04-08 09:32:20,750 INFO L290 TraceCheckUtils]: 48: Hoare triple {36164#(and (<= main_~x~0 268435357) (<= 268435357 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36165#(and (<= main_~x~0 268435355) (<= 268435355 main_~x~0))} is VALID [2022-04-08 09:32:20,751 INFO L290 TraceCheckUtils]: 49: Hoare triple {36165#(and (<= main_~x~0 268435355) (<= 268435355 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36166#(and (<= main_~x~0 268435353) (<= 268435353 main_~x~0))} is VALID [2022-04-08 09:32:20,751 INFO L290 TraceCheckUtils]: 50: Hoare triple {36166#(and (<= main_~x~0 268435353) (<= 268435353 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36167#(and (<= 268435351 main_~x~0) (<= main_~x~0 268435351))} is VALID [2022-04-08 09:32:20,752 INFO L290 TraceCheckUtils]: 51: Hoare triple {36167#(and (<= 268435351 main_~x~0) (<= main_~x~0 268435351))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36168#(and (<= 268435349 main_~x~0) (<= main_~x~0 268435349))} is VALID [2022-04-08 09:32:20,753 INFO L290 TraceCheckUtils]: 52: Hoare triple {36168#(and (<= 268435349 main_~x~0) (<= main_~x~0 268435349))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36169#(and (<= 268435347 main_~x~0) (<= main_~x~0 268435347))} is VALID [2022-04-08 09:32:20,753 INFO L290 TraceCheckUtils]: 53: Hoare triple {36169#(and (<= 268435347 main_~x~0) (<= main_~x~0 268435347))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36170#(and (<= main_~x~0 268435345) (<= 268435345 main_~x~0))} is VALID [2022-04-08 09:32:20,754 INFO L290 TraceCheckUtils]: 54: Hoare triple {36170#(and (<= main_~x~0 268435345) (<= 268435345 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36171#(and (<= main_~x~0 268435343) (<= 268435343 main_~x~0))} is VALID [2022-04-08 09:32:20,754 INFO L290 TraceCheckUtils]: 55: Hoare triple {36171#(and (<= main_~x~0 268435343) (<= 268435343 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36172#(and (<= 268435341 main_~x~0) (<= main_~x~0 268435341))} is VALID [2022-04-08 09:32:20,755 INFO L290 TraceCheckUtils]: 56: Hoare triple {36172#(and (<= 268435341 main_~x~0) (<= main_~x~0 268435341))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36173#(and (<= 268435339 main_~x~0) (<= main_~x~0 268435339))} is VALID [2022-04-08 09:32:20,756 INFO L290 TraceCheckUtils]: 57: Hoare triple {36173#(and (<= 268435339 main_~x~0) (<= main_~x~0 268435339))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36174#(and (<= main_~x~0 268435337) (<= 268435337 main_~x~0))} is VALID [2022-04-08 09:32:20,756 INFO L290 TraceCheckUtils]: 58: Hoare triple {36174#(and (<= main_~x~0 268435337) (<= 268435337 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36175#(and (<= main_~x~0 268435335) (<= 268435335 main_~x~0))} is VALID [2022-04-08 09:32:20,757 INFO L290 TraceCheckUtils]: 59: Hoare triple {36175#(and (<= main_~x~0 268435335) (<= 268435335 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36176#(and (<= 268435333 main_~x~0) (<= main_~x~0 268435333))} is VALID [2022-04-08 09:32:20,758 INFO L290 TraceCheckUtils]: 60: Hoare triple {36176#(and (<= 268435333 main_~x~0) (<= main_~x~0 268435333))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36177#(and (<= 268435331 main_~x~0) (<= main_~x~0 268435331))} is VALID [2022-04-08 09:32:20,758 INFO L290 TraceCheckUtils]: 61: Hoare triple {36177#(and (<= 268435331 main_~x~0) (<= main_~x~0 268435331))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36178#(and (<= main_~x~0 268435329) (<= 268435329 main_~x~0))} is VALID [2022-04-08 09:32:20,759 INFO L290 TraceCheckUtils]: 62: Hoare triple {36178#(and (<= main_~x~0 268435329) (<= 268435329 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36179#(and (<= main_~x~0 268435327) (<= 268435327 main_~x~0))} is VALID [2022-04-08 09:32:20,760 INFO L290 TraceCheckUtils]: 63: Hoare triple {36179#(and (<= main_~x~0 268435327) (<= 268435327 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36180#(and (<= 268435325 main_~x~0) (<= (div main_~x~0 4294967296) 0))} is VALID [2022-04-08 09:32:20,760 INFO L290 TraceCheckUtils]: 64: Hoare triple {36180#(and (<= 268435325 main_~x~0) (<= (div main_~x~0 4294967296) 0))} assume !(~x~0 % 4294967296 > 1); {36118#false} is VALID [2022-04-08 09:32:20,760 INFO L272 TraceCheckUtils]: 65: Hoare triple {36118#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)); {36118#false} is VALID [2022-04-08 09:32:20,760 INFO L290 TraceCheckUtils]: 66: Hoare triple {36118#false} ~cond := #in~cond; {36118#false} is VALID [2022-04-08 09:32:20,761 INFO L290 TraceCheckUtils]: 67: Hoare triple {36118#false} assume 0 == ~cond; {36118#false} is VALID [2022-04-08 09:32:20,761 INFO L290 TraceCheckUtils]: 68: Hoare triple {36118#false} assume !false; {36118#false} is VALID [2022-04-08 09:32:20,761 INFO L134 CoverageAnalysis]: Checked inductivity of 1711 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:32:20,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 09:32:20,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013745635] [2022-04-08 09:32:20,762 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013745635] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-08 09:32:20,762 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [728831219] [2022-04-08 09:32:20,762 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-04-08 09:32:20,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 09:32:20,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 09:32:20,763 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) [2022-04-08 09:32:20,791 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (59)] Waiting until timeout for monitored process [2022-04-08 09:32:20,847 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-04-08 09:32:20,847 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 09:32:20,849 WARN L261 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 122 conjunts are in the unsatisfiable core [2022-04-08 09:32:20,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:32:20,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 09:32:21,513 INFO L272 TraceCheckUtils]: 0: Hoare triple {36117#true} call ULTIMATE.init(); {36117#true} is VALID [2022-04-08 09:32:21,513 INFO L290 TraceCheckUtils]: 1: Hoare triple {36117#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(13, 2);call #Ultimate.allocInit(12, 3); {36117#true} is VALID [2022-04-08 09:32:21,513 INFO L290 TraceCheckUtils]: 2: Hoare triple {36117#true} assume true; {36117#true} is VALID [2022-04-08 09:32:21,513 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {36117#true} {36117#true} #34#return; {36117#true} is VALID [2022-04-08 09:32:21,514 INFO L272 TraceCheckUtils]: 4: Hoare triple {36117#true} call #t~ret4 := main(); {36117#true} is VALID [2022-04-08 09:32:21,514 INFO L290 TraceCheckUtils]: 5: Hoare triple {36117#true} ~x~0 := 268435441; {36122#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:32:21,514 INFO L290 TraceCheckUtils]: 6: Hoare triple {36122#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36123#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:32:21,515 INFO L290 TraceCheckUtils]: 7: Hoare triple {36123#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36124#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:32:21,516 INFO L290 TraceCheckUtils]: 8: Hoare triple {36124#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36125#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:32:21,516 INFO L290 TraceCheckUtils]: 9: Hoare triple {36125#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36126#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:32:21,517 INFO L290 TraceCheckUtils]: 10: Hoare triple {36126#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36127#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:32:21,517 INFO L290 TraceCheckUtils]: 11: Hoare triple {36127#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36128#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:32:21,518 INFO L290 TraceCheckUtils]: 12: Hoare triple {36128#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36129#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:32:21,518 INFO L290 TraceCheckUtils]: 13: Hoare triple {36129#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36130#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:32:21,519 INFO L290 TraceCheckUtils]: 14: Hoare triple {36130#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36131#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:32:21,519 INFO L290 TraceCheckUtils]: 15: Hoare triple {36131#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36132#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:32:21,520 INFO L290 TraceCheckUtils]: 16: Hoare triple {36132#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36133#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:32:21,520 INFO L290 TraceCheckUtils]: 17: Hoare triple {36133#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36134#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:32:21,521 INFO L290 TraceCheckUtils]: 18: Hoare triple {36134#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36135#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:32:21,521 INFO L290 TraceCheckUtils]: 19: Hoare triple {36135#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36136#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} is VALID [2022-04-08 09:32:21,522 INFO L290 TraceCheckUtils]: 20: Hoare triple {36136#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36137#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} is VALID [2022-04-08 09:32:21,522 INFO L290 TraceCheckUtils]: 21: Hoare triple {36137#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36138#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} is VALID [2022-04-08 09:32:21,523 INFO L290 TraceCheckUtils]: 22: Hoare triple {36138#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36139#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} is VALID [2022-04-08 09:32:21,523 INFO L290 TraceCheckUtils]: 23: Hoare triple {36139#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36140#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} is VALID [2022-04-08 09:32:21,524 INFO L290 TraceCheckUtils]: 24: Hoare triple {36140#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36141#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} is VALID [2022-04-08 09:32:21,524 INFO L290 TraceCheckUtils]: 25: Hoare triple {36141#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36142#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} is VALID [2022-04-08 09:32:21,525 INFO L290 TraceCheckUtils]: 26: Hoare triple {36142#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36143#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} is VALID [2022-04-08 09:32:21,525 INFO L290 TraceCheckUtils]: 27: Hoare triple {36143#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36144#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} is VALID [2022-04-08 09:32:21,526 INFO L290 TraceCheckUtils]: 28: Hoare triple {36144#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36145#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} is VALID [2022-04-08 09:32:21,526 INFO L290 TraceCheckUtils]: 29: Hoare triple {36145#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36146#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} is VALID [2022-04-08 09:32:21,527 INFO L290 TraceCheckUtils]: 30: Hoare triple {36146#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36147#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} is VALID [2022-04-08 09:32:21,528 INFO L290 TraceCheckUtils]: 31: Hoare triple {36147#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36148#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} is VALID [2022-04-08 09:32:21,528 INFO L290 TraceCheckUtils]: 32: Hoare triple {36148#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36149#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} is VALID [2022-04-08 09:32:21,529 INFO L290 TraceCheckUtils]: 33: Hoare triple {36149#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36150#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} is VALID [2022-04-08 09:32:21,529 INFO L290 TraceCheckUtils]: 34: Hoare triple {36150#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36151#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} is VALID [2022-04-08 09:32:21,530 INFO L290 TraceCheckUtils]: 35: Hoare triple {36151#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36152#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} is VALID [2022-04-08 09:32:21,530 INFO L290 TraceCheckUtils]: 36: Hoare triple {36152#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36153#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} is VALID [2022-04-08 09:32:21,531 INFO L290 TraceCheckUtils]: 37: Hoare triple {36153#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36154#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} is VALID [2022-04-08 09:32:21,531 INFO L290 TraceCheckUtils]: 38: Hoare triple {36154#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36155#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} is VALID [2022-04-08 09:32:21,532 INFO L290 TraceCheckUtils]: 39: Hoare triple {36155#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36156#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} is VALID [2022-04-08 09:32:21,532 INFO L290 TraceCheckUtils]: 40: Hoare triple {36156#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36157#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} is VALID [2022-04-08 09:32:21,533 INFO L290 TraceCheckUtils]: 41: Hoare triple {36157#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36158#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} is VALID [2022-04-08 09:32:21,533 INFO L290 TraceCheckUtils]: 42: Hoare triple {36158#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36159#(and (<= main_~x~0 268435367) (<= 268435367 main_~x~0))} is VALID [2022-04-08 09:32:21,534 INFO L290 TraceCheckUtils]: 43: Hoare triple {36159#(and (<= main_~x~0 268435367) (<= 268435367 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36160#(and (<= 268435365 main_~x~0) (<= main_~x~0 268435365))} is VALID [2022-04-08 09:32:21,534 INFO L290 TraceCheckUtils]: 44: Hoare triple {36160#(and (<= 268435365 main_~x~0) (<= main_~x~0 268435365))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36161#(and (<= 268435363 main_~x~0) (<= main_~x~0 268435363))} is VALID [2022-04-08 09:32:21,535 INFO L290 TraceCheckUtils]: 45: Hoare triple {36161#(and (<= 268435363 main_~x~0) (<= main_~x~0 268435363))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36162#(and (<= main_~x~0 268435361) (<= 268435361 main_~x~0))} is VALID [2022-04-08 09:32:21,535 INFO L290 TraceCheckUtils]: 46: Hoare triple {36162#(and (<= main_~x~0 268435361) (<= 268435361 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36163#(and (<= main_~x~0 268435359) (<= 268435359 main_~x~0))} is VALID [2022-04-08 09:32:21,536 INFO L290 TraceCheckUtils]: 47: Hoare triple {36163#(and (<= main_~x~0 268435359) (<= 268435359 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36164#(and (<= main_~x~0 268435357) (<= 268435357 main_~x~0))} is VALID [2022-04-08 09:32:21,536 INFO L290 TraceCheckUtils]: 48: Hoare triple {36164#(and (<= main_~x~0 268435357) (<= 268435357 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36165#(and (<= main_~x~0 268435355) (<= 268435355 main_~x~0))} is VALID [2022-04-08 09:32:21,537 INFO L290 TraceCheckUtils]: 49: Hoare triple {36165#(and (<= main_~x~0 268435355) (<= 268435355 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36166#(and (<= main_~x~0 268435353) (<= 268435353 main_~x~0))} is VALID [2022-04-08 09:32:21,537 INFO L290 TraceCheckUtils]: 50: Hoare triple {36166#(and (<= main_~x~0 268435353) (<= 268435353 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36167#(and (<= 268435351 main_~x~0) (<= main_~x~0 268435351))} is VALID [2022-04-08 09:32:21,538 INFO L290 TraceCheckUtils]: 51: Hoare triple {36167#(and (<= 268435351 main_~x~0) (<= main_~x~0 268435351))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36168#(and (<= 268435349 main_~x~0) (<= main_~x~0 268435349))} is VALID [2022-04-08 09:32:21,538 INFO L290 TraceCheckUtils]: 52: Hoare triple {36168#(and (<= 268435349 main_~x~0) (<= main_~x~0 268435349))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36169#(and (<= 268435347 main_~x~0) (<= main_~x~0 268435347))} is VALID [2022-04-08 09:32:21,539 INFO L290 TraceCheckUtils]: 53: Hoare triple {36169#(and (<= 268435347 main_~x~0) (<= main_~x~0 268435347))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36170#(and (<= main_~x~0 268435345) (<= 268435345 main_~x~0))} is VALID [2022-04-08 09:32:21,539 INFO L290 TraceCheckUtils]: 54: Hoare triple {36170#(and (<= main_~x~0 268435345) (<= 268435345 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36171#(and (<= main_~x~0 268435343) (<= 268435343 main_~x~0))} is VALID [2022-04-08 09:32:21,540 INFO L290 TraceCheckUtils]: 55: Hoare triple {36171#(and (<= main_~x~0 268435343) (<= 268435343 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36172#(and (<= 268435341 main_~x~0) (<= main_~x~0 268435341))} is VALID [2022-04-08 09:32:21,540 INFO L290 TraceCheckUtils]: 56: Hoare triple {36172#(and (<= 268435341 main_~x~0) (<= main_~x~0 268435341))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36173#(and (<= 268435339 main_~x~0) (<= main_~x~0 268435339))} is VALID [2022-04-08 09:32:21,543 INFO L290 TraceCheckUtils]: 57: Hoare triple {36173#(and (<= 268435339 main_~x~0) (<= main_~x~0 268435339))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36174#(and (<= main_~x~0 268435337) (<= 268435337 main_~x~0))} is VALID [2022-04-08 09:32:21,544 INFO L290 TraceCheckUtils]: 58: Hoare triple {36174#(and (<= main_~x~0 268435337) (<= 268435337 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36175#(and (<= main_~x~0 268435335) (<= 268435335 main_~x~0))} is VALID [2022-04-08 09:32:21,545 INFO L290 TraceCheckUtils]: 59: Hoare triple {36175#(and (<= main_~x~0 268435335) (<= 268435335 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36176#(and (<= 268435333 main_~x~0) (<= main_~x~0 268435333))} is VALID [2022-04-08 09:32:21,545 INFO L290 TraceCheckUtils]: 60: Hoare triple {36176#(and (<= 268435333 main_~x~0) (<= main_~x~0 268435333))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36177#(and (<= 268435331 main_~x~0) (<= main_~x~0 268435331))} is VALID [2022-04-08 09:32:21,546 INFO L290 TraceCheckUtils]: 61: Hoare triple {36177#(and (<= 268435331 main_~x~0) (<= main_~x~0 268435331))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36178#(and (<= main_~x~0 268435329) (<= 268435329 main_~x~0))} is VALID [2022-04-08 09:32:21,547 INFO L290 TraceCheckUtils]: 62: Hoare triple {36178#(and (<= main_~x~0 268435329) (<= 268435329 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36179#(and (<= main_~x~0 268435327) (<= 268435327 main_~x~0))} is VALID [2022-04-08 09:32:21,547 INFO L290 TraceCheckUtils]: 63: Hoare triple {36179#(and (<= main_~x~0 268435327) (<= 268435327 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36374#(and (<= 268435325 main_~x~0) (<= main_~x~0 268435325))} is VALID [2022-04-08 09:32:21,548 INFO L290 TraceCheckUtils]: 64: Hoare triple {36374#(and (<= 268435325 main_~x~0) (<= main_~x~0 268435325))} assume !(~x~0 % 4294967296 > 1); {36118#false} is VALID [2022-04-08 09:32:21,548 INFO L272 TraceCheckUtils]: 65: Hoare triple {36118#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)); {36118#false} is VALID [2022-04-08 09:32:21,548 INFO L290 TraceCheckUtils]: 66: Hoare triple {36118#false} ~cond := #in~cond; {36118#false} is VALID [2022-04-08 09:32:21,548 INFO L290 TraceCheckUtils]: 67: Hoare triple {36118#false} assume 0 == ~cond; {36118#false} is VALID [2022-04-08 09:32:21,549 INFO L290 TraceCheckUtils]: 68: Hoare triple {36118#false} assume !false; {36118#false} is VALID [2022-04-08 09:32:21,549 INFO L134 CoverageAnalysis]: Checked inductivity of 1711 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:32:21,549 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 09:32:28,520 INFO L290 TraceCheckUtils]: 68: Hoare triple {36118#false} assume !false; {36118#false} is VALID [2022-04-08 09:32:28,521 INFO L290 TraceCheckUtils]: 67: Hoare triple {36393#(not (<= __VERIFIER_assert_~cond 0))} assume 0 == ~cond; {36118#false} is VALID [2022-04-08 09:32:28,521 INFO L290 TraceCheckUtils]: 66: Hoare triple {36397#(< 0 |__VERIFIER_assert_#in~cond|)} ~cond := #in~cond; {36393#(not (<= __VERIFIER_assert_~cond 0))} is VALID [2022-04-08 09:32:28,522 INFO L272 TraceCheckUtils]: 65: Hoare triple {36401#(= (mod main_~x~0 2) 0)} 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)); {36397#(< 0 |__VERIFIER_assert_#in~cond|)} is VALID [2022-04-08 09:32:28,522 INFO L290 TraceCheckUtils]: 64: Hoare triple {36405#(or (< 1 (mod main_~x~0 4294967296)) (= (mod main_~x~0 2) 0))} assume !(~x~0 % 4294967296 > 1); {36401#(= (mod main_~x~0 2) 0)} is VALID [2022-04-08 09:32:28,523 INFO L290 TraceCheckUtils]: 63: Hoare triple {36409#(or (< 1 (mod (+ main_~x~0 4294967294) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36405#(or (< 1 (mod main_~x~0 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:28,525 INFO L290 TraceCheckUtils]: 62: Hoare triple {36413#(or (< 1 (mod (+ 4294967292 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36409#(or (< 1 (mod (+ main_~x~0 4294967294) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:28,526 INFO L290 TraceCheckUtils]: 61: Hoare triple {36417#(or (< 1 (mod (+ 4294967290 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36413#(or (< 1 (mod (+ 4294967292 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:28,527 INFO L290 TraceCheckUtils]: 60: Hoare triple {36421#(or (< 1 (mod (+ 4294967288 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36417#(or (< 1 (mod (+ 4294967290 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:28,528 INFO L290 TraceCheckUtils]: 59: Hoare triple {36425#(or (< 1 (mod (+ main_~x~0 4294967286) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36421#(or (< 1 (mod (+ 4294967288 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:28,532 INFO L290 TraceCheckUtils]: 58: Hoare triple {36429#(or (< 1 (mod (+ main_~x~0 4294967284) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36425#(or (< 1 (mod (+ main_~x~0 4294967286) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:28,533 INFO L290 TraceCheckUtils]: 57: Hoare triple {36433#(or (< 1 (mod (+ 4294967282 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36429#(or (< 1 (mod (+ main_~x~0 4294967284) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:28,534 INFO L290 TraceCheckUtils]: 56: Hoare triple {36437#(or (< 1 (mod (+ main_~x~0 4294967280) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36433#(or (< 1 (mod (+ 4294967282 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:28,535 INFO L290 TraceCheckUtils]: 55: Hoare triple {36441#(or (< 1 (mod (+ main_~x~0 4294967278) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36437#(or (< 1 (mod (+ main_~x~0 4294967280) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:28,538 INFO L290 TraceCheckUtils]: 54: Hoare triple {36445#(or (< 1 (mod (+ 4294967276 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36441#(or (< 1 (mod (+ main_~x~0 4294967278) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:28,543 INFO L290 TraceCheckUtils]: 53: Hoare triple {36449#(or (< 1 (mod (+ 4294967274 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36445#(or (< 1 (mod (+ 4294967276 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:28,545 INFO L290 TraceCheckUtils]: 52: Hoare triple {36453#(or (< 1 (mod (+ 4294967272 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36449#(or (< 1 (mod (+ 4294967274 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:28,556 INFO L290 TraceCheckUtils]: 51: Hoare triple {36457#(or (< 1 (mod (+ main_~x~0 4294967270) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36453#(or (< 1 (mod (+ 4294967272 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:28,557 INFO L290 TraceCheckUtils]: 50: Hoare triple {36461#(or (< 1 (mod (+ main_~x~0 4294967268) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36457#(or (< 1 (mod (+ main_~x~0 4294967270) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:28,558 INFO L290 TraceCheckUtils]: 49: Hoare triple {36465#(or (< 1 (mod (+ main_~x~0 4294967266) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36461#(or (< 1 (mod (+ main_~x~0 4294967268) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:28,559 INFO L290 TraceCheckUtils]: 48: Hoare triple {36469#(or (< 1 (mod (+ main_~x~0 4294967264) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36465#(or (< 1 (mod (+ main_~x~0 4294967266) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:28,562 INFO L290 TraceCheckUtils]: 47: Hoare triple {36473#(or (< 1 (mod (+ main_~x~0 4294967262) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36469#(or (< 1 (mod (+ main_~x~0 4294967264) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:28,564 INFO L290 TraceCheckUtils]: 46: Hoare triple {36477#(or (< 1 (mod (+ 4294967260 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36473#(or (< 1 (mod (+ main_~x~0 4294967262) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:28,565 INFO L290 TraceCheckUtils]: 45: Hoare triple {36481#(or (< 1 (mod (+ main_~x~0 4294967258) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36477#(or (< 1 (mod (+ 4294967260 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:28,565 INFO L290 TraceCheckUtils]: 44: Hoare triple {36485#(or (< 1 (mod (+ main_~x~0 4294967256) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36481#(or (< 1 (mod (+ main_~x~0 4294967258) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:28,566 INFO L290 TraceCheckUtils]: 43: Hoare triple {36489#(or (< 1 (mod (+ 4294967254 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36485#(or (< 1 (mod (+ main_~x~0 4294967256) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:28,567 INFO L290 TraceCheckUtils]: 42: Hoare triple {36493#(or (< 1 (mod (+ main_~x~0 4294967252) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36489#(or (< 1 (mod (+ 4294967254 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:28,568 INFO L290 TraceCheckUtils]: 41: Hoare triple {36497#(or (< 1 (mod (+ 4294967250 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36493#(or (< 1 (mod (+ main_~x~0 4294967252) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:28,569 INFO L290 TraceCheckUtils]: 40: Hoare triple {36501#(or (< 1 (mod (+ main_~x~0 4294967248) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36497#(or (< 1 (mod (+ 4294967250 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:28,570 INFO L290 TraceCheckUtils]: 39: Hoare triple {36505#(or (< 1 (mod (+ 4294967246 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36501#(or (< 1 (mod (+ main_~x~0 4294967248) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:28,571 INFO L290 TraceCheckUtils]: 38: Hoare triple {36509#(or (< 1 (mod (+ main_~x~0 4294967244) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36505#(or (< 1 (mod (+ 4294967246 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:28,572 INFO L290 TraceCheckUtils]: 37: Hoare triple {36513#(or (< 1 (mod (+ main_~x~0 4294967242) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36509#(or (< 1 (mod (+ main_~x~0 4294967244) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:28,574 INFO L290 TraceCheckUtils]: 36: Hoare triple {36517#(or (< 1 (mod (+ 4294967240 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36513#(or (< 1 (mod (+ main_~x~0 4294967242) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:28,574 INFO L290 TraceCheckUtils]: 35: Hoare triple {36521#(or (< 1 (mod (+ 4294967238 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36517#(or (< 1 (mod (+ 4294967240 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:28,575 INFO L290 TraceCheckUtils]: 34: Hoare triple {36525#(or (< 1 (mod (+ main_~x~0 4294967236) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36521#(or (< 1 (mod (+ 4294967238 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:28,576 INFO L290 TraceCheckUtils]: 33: Hoare triple {36529#(or (< 1 (mod (+ main_~x~0 4294967234) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36525#(or (< 1 (mod (+ main_~x~0 4294967236) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:28,577 INFO L290 TraceCheckUtils]: 32: Hoare triple {36533#(or (< 1 (mod (+ main_~x~0 4294967232) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36529#(or (< 1 (mod (+ main_~x~0 4294967234) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:28,577 INFO L290 TraceCheckUtils]: 31: Hoare triple {36537#(or (< 1 (mod (+ 4294967230 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36533#(or (< 1 (mod (+ main_~x~0 4294967232) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:28,578 INFO L290 TraceCheckUtils]: 30: Hoare triple {36541#(or (< 1 (mod (+ main_~x~0 4294967228) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36537#(or (< 1 (mod (+ 4294967230 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:28,579 INFO L290 TraceCheckUtils]: 29: Hoare triple {36545#(or (< 1 (mod (+ main_~x~0 4294967226) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36541#(or (< 1 (mod (+ main_~x~0 4294967228) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:28,580 INFO L290 TraceCheckUtils]: 28: Hoare triple {36549#(or (< 1 (mod (+ 4294967224 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36545#(or (< 1 (mod (+ main_~x~0 4294967226) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:28,581 INFO L290 TraceCheckUtils]: 27: Hoare triple {36553#(or (< 1 (mod (+ main_~x~0 4294967222) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36549#(or (< 1 (mod (+ 4294967224 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:28,582 INFO L290 TraceCheckUtils]: 26: Hoare triple {36557#(or (< 1 (mod (+ main_~x~0 4294967220) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36553#(or (< 1 (mod (+ main_~x~0 4294967222) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:28,583 INFO L290 TraceCheckUtils]: 25: Hoare triple {36561#(or (< 1 (mod (+ 4294967218 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36557#(or (< 1 (mod (+ main_~x~0 4294967220) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:28,584 INFO L290 TraceCheckUtils]: 24: Hoare triple {36565#(or (< 1 (mod (+ 4294967216 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36561#(or (< 1 (mod (+ 4294967218 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:28,585 INFO L290 TraceCheckUtils]: 23: Hoare triple {36569#(or (< 1 (mod (+ main_~x~0 4294967214) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36565#(or (< 1 (mod (+ 4294967216 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:28,586 INFO L290 TraceCheckUtils]: 22: Hoare triple {36573#(or (< 1 (mod (+ 4294967212 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36569#(or (< 1 (mod (+ main_~x~0 4294967214) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:28,588 INFO L290 TraceCheckUtils]: 21: Hoare triple {36577#(or (< 1 (mod (+ 4294967210 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36573#(or (< 1 (mod (+ 4294967212 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:28,588 INFO L290 TraceCheckUtils]: 20: Hoare triple {36581#(or (< 1 (mod (+ main_~x~0 4294967208) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36577#(or (< 1 (mod (+ 4294967210 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:28,589 INFO L290 TraceCheckUtils]: 19: Hoare triple {36585#(or (< 1 (mod (+ 4294967206 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36581#(or (< 1 (mod (+ main_~x~0 4294967208) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:28,590 INFO L290 TraceCheckUtils]: 18: Hoare triple {36589#(or (< 1 (mod (+ main_~x~0 4294967204) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36585#(or (< 1 (mod (+ 4294967206 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:28,591 INFO L290 TraceCheckUtils]: 17: Hoare triple {36593#(or (< 1 (mod (+ 4294967202 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36589#(or (< 1 (mod (+ main_~x~0 4294967204) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:28,592 INFO L290 TraceCheckUtils]: 16: Hoare triple {36597#(or (< 1 (mod (+ 4294967200 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36593#(or (< 1 (mod (+ 4294967202 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:28,593 INFO L290 TraceCheckUtils]: 15: Hoare triple {36601#(or (< 1 (mod (+ 4294967198 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36597#(or (< 1 (mod (+ 4294967200 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:28,594 INFO L290 TraceCheckUtils]: 14: Hoare triple {36605#(or (< 1 (mod (+ 4294967196 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36601#(or (< 1 (mod (+ 4294967198 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:28,596 INFO L290 TraceCheckUtils]: 13: Hoare triple {36609#(or (< 1 (mod (+ 4294967194 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36605#(or (< 1 (mod (+ 4294967196 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:28,597 INFO L290 TraceCheckUtils]: 12: Hoare triple {36613#(or (< 1 (mod (+ 4294967192 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36609#(or (< 1 (mod (+ 4294967194 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:28,598 INFO L290 TraceCheckUtils]: 11: Hoare triple {36617#(or (< 1 (mod (+ main_~x~0 4294967190) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36613#(or (< 1 (mod (+ 4294967192 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:28,600 INFO L290 TraceCheckUtils]: 10: Hoare triple {36621#(or (< 1 (mod (+ 4294967188 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36617#(or (< 1 (mod (+ main_~x~0 4294967190) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:28,602 INFO L290 TraceCheckUtils]: 9: Hoare triple {36625#(or (< 1 (mod (+ main_~x~0 4294967186) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36621#(or (< 1 (mod (+ 4294967188 main_~x~0) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:28,603 INFO L290 TraceCheckUtils]: 8: Hoare triple {36629#(or (< 1 (mod (+ main_~x~0 4294967184) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36625#(or (< 1 (mod (+ main_~x~0 4294967186) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:28,603 INFO L290 TraceCheckUtils]: 7: Hoare triple {36633#(or (< 1 (mod (+ main_~x~0 4294967182) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36629#(or (< 1 (mod (+ main_~x~0 4294967184) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:28,604 INFO L290 TraceCheckUtils]: 6: Hoare triple {36637#(or (< 1 (mod (+ main_~x~0 4294967180) 4294967296)) (= (mod main_~x~0 2) 0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {36633#(or (< 1 (mod (+ main_~x~0 4294967182) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:28,605 INFO L290 TraceCheckUtils]: 5: Hoare triple {36117#true} ~x~0 := 268435441; {36637#(or (< 1 (mod (+ main_~x~0 4294967180) 4294967296)) (= (mod main_~x~0 2) 0))} is VALID [2022-04-08 09:32:28,605 INFO L272 TraceCheckUtils]: 4: Hoare triple {36117#true} call #t~ret4 := main(); {36117#true} is VALID [2022-04-08 09:32:28,605 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {36117#true} {36117#true} #34#return; {36117#true} is VALID [2022-04-08 09:32:28,605 INFO L290 TraceCheckUtils]: 2: Hoare triple {36117#true} assume true; {36117#true} is VALID [2022-04-08 09:32:28,605 INFO L290 TraceCheckUtils]: 1: Hoare triple {36117#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(13, 2);call #Ultimate.allocInit(12, 3); {36117#true} is VALID [2022-04-08 09:32:28,605 INFO L272 TraceCheckUtils]: 0: Hoare triple {36117#true} call ULTIMATE.init(); {36117#true} is VALID [2022-04-08 09:32:28,606 INFO L134 CoverageAnalysis]: Checked inductivity of 1711 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:32:28,606 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [728831219] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-08 09:32:28,606 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-08 09:32:28,606 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [62, 61, 64] total 125 [2022-04-08 09:32:28,606 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 09:32:28,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [516535674] [2022-04-08 09:32:28,606 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [516535674] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 09:32:28,606 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 09:32:28,607 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [62] imperfect sequences [] total 62 [2022-04-08 09:32:28,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703991971] [2022-04-08 09:32:28,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 09:32:28,607 INFO L78 Accepts]: Start accepts. Automaton has has 62 states, 62 states have (on average 1.0483870967741935) internal successors, (65), 61 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 [2022-04-08 09:32:28,607 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 09:32:28,607 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 62 states, 62 states have (on average 1.0483870967741935) internal successors, (65), 61 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) [2022-04-08 09:32:28,655 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 69 edges. 69 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:32:28,656 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2022-04-08 09:32:28,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 09:32:28,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2022-04-08 09:32:28,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3905, Invalid=11595, Unknown=0, NotChecked=0, Total=15500 [2022-04-08 09:32:28,658 INFO L87 Difference]: Start difference. First operand 70 states and 70 transitions. Second operand has 62 states, 62 states have (on average 1.0483870967741935) internal successors, (65), 61 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) [2022-04-08 09:32:35,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:32:35,827 INFO L93 Difference]: Finished difference Result 76 states and 76 transitions. [2022-04-08 09:32:35,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-04-08 09:32:35,828 INFO L78 Accepts]: Start accepts. Automaton has has 62 states, 62 states have (on average 1.0483870967741935) internal successors, (65), 61 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 [2022-04-08 09:32:35,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 09:32:35,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 62 states have (on average 1.0483870967741935) internal successors, (65), 61 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) [2022-04-08 09:32:35,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 76 transitions. [2022-04-08 09:32:35,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 62 states have (on average 1.0483870967741935) internal successors, (65), 61 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) [2022-04-08 09:32:35,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 76 transitions. [2022-04-08 09:32:35,829 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 62 states and 76 transitions. [2022-04-08 09:32:35,877 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 76 edges. 76 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:32:35,878 INFO L225 Difference]: With dead ends: 76 [2022-04-08 09:32:35,878 INFO L226 Difference]: Without dead ends: 71 [2022-04-08 09:32:35,879 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 77 SyntacticMatches, 1 SemanticMatches, 182 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1838 ImplicationChecksByTransitivity, 9.8s TimeCoverageRelationStatistics Valid=7738, Invalid=25934, Unknown=0, NotChecked=0, Total=33672 [2022-04-08 09:32:35,880 INFO L913 BasicCegarLoop]: 11 mSDtfsCounter, 6 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 3674 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 3793 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 3674 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-04-08 09:32:35,880 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 263 Invalid, 3793 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 3674 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-04-08 09:32:35,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2022-04-08 09:32:35,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2022-04-08 09:32:35,957 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 09:32:35,957 INFO L82 GeneralOperation]: Start isEquivalent. First operand 71 states. Second operand has 71 states, 66 states have (on average 1.0151515151515151) internal successors, (67), 66 states have internal predecessors, (67), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:32:35,957 INFO L74 IsIncluded]: Start isIncluded. First operand 71 states. Second operand has 71 states, 66 states have (on average 1.0151515151515151) internal successors, (67), 66 states have internal predecessors, (67), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:32:35,958 INFO L87 Difference]: Start difference. First operand 71 states. Second operand has 71 states, 66 states have (on average 1.0151515151515151) internal successors, (67), 66 states have internal predecessors, (67), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:32:35,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:32:35,958 INFO L93 Difference]: Finished difference Result 71 states and 71 transitions. [2022-04-08 09:32:35,958 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 71 transitions. [2022-04-08 09:32:35,959 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:32:35,959 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:32:35,959 INFO L74 IsIncluded]: Start isIncluded. First operand has 71 states, 66 states have (on average 1.0151515151515151) internal successors, (67), 66 states have internal predecessors, (67), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 71 states. [2022-04-08 09:32:35,959 INFO L87 Difference]: Start difference. First operand has 71 states, 66 states have (on average 1.0151515151515151) internal successors, (67), 66 states have internal predecessors, (67), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 71 states. [2022-04-08 09:32:35,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:32:35,960 INFO L93 Difference]: Finished difference Result 71 states and 71 transitions. [2022-04-08 09:32:35,960 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 71 transitions. [2022-04-08 09:32:35,960 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:32:35,960 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:32:35,960 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 09:32:35,960 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 09:32:35,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 66 states have (on average 1.0151515151515151) internal successors, (67), 66 states have internal predecessors, (67), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:32:35,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 71 transitions. [2022-04-08 09:32:35,961 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 71 transitions. Word has length 69 [2022-04-08 09:32:35,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 09:32:35,961 INFO L478 AbstractCegarLoop]: Abstraction has 71 states and 71 transitions. [2022-04-08 09:32:35,962 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 62 states have (on average 1.0483870967741935) internal successors, (65), 61 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) [2022-04-08 09:32:35,962 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 71 states and 71 transitions. [2022-04-08 09:32:36,043 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 71 edges. 71 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:32:36,043 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 71 transitions. [2022-04-08 09:32:36,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-04-08 09:32:36,043 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 09:32:36,043 INFO L499 BasicCegarLoop]: trace histogram [59, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 09:32:36,061 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (59)] Forceful destruction successful, exit code 0 [2022-04-08 09:32:36,247 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 59 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable59 [2022-04-08 09:32:36,247 INFO L403 AbstractCegarLoop]: === Iteration 61 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 09:32:36,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 09:32:36,248 INFO L85 PathProgramCache]: Analyzing trace with hash -18267082, now seen corresponding path program 117 times [2022-04-08 09:32:36,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 09:32:36,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [166164155] [2022-04-08 09:32:36,283 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-08 09:32:36,283 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-08 09:32:36,283 INFO L85 PathProgramCache]: Analyzing trace with hash -18267082, now seen corresponding path program 118 times [2022-04-08 09:32:36,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 09:32:36,283 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101466498] [2022-04-08 09:32:36,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 09:32:36,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 09:32:36,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:32:38,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-08 09:32:38,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:32:38,108 INFO L290 TraceCheckUtils]: 0: Hoare triple {37277#(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(13, 2);call #Ultimate.allocInit(12, 3); {37212#true} is VALID [2022-04-08 09:32:38,108 INFO L290 TraceCheckUtils]: 1: Hoare triple {37212#true} assume true; {37212#true} is VALID [2022-04-08 09:32:38,108 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {37212#true} {37212#true} #34#return; {37212#true} is VALID [2022-04-08 09:32:38,109 INFO L272 TraceCheckUtils]: 0: Hoare triple {37212#true} call ULTIMATE.init(); {37277#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-08 09:32:38,109 INFO L290 TraceCheckUtils]: 1: Hoare triple {37277#(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(13, 2);call #Ultimate.allocInit(12, 3); {37212#true} is VALID [2022-04-08 09:32:38,109 INFO L290 TraceCheckUtils]: 2: Hoare triple {37212#true} assume true; {37212#true} is VALID [2022-04-08 09:32:38,109 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {37212#true} {37212#true} #34#return; {37212#true} is VALID [2022-04-08 09:32:38,109 INFO L272 TraceCheckUtils]: 4: Hoare triple {37212#true} call #t~ret4 := main(); {37212#true} is VALID [2022-04-08 09:32:38,109 INFO L290 TraceCheckUtils]: 5: Hoare triple {37212#true} ~x~0 := 268435441; {37217#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:32:38,110 INFO L290 TraceCheckUtils]: 6: Hoare triple {37217#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37218#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:32:38,111 INFO L290 TraceCheckUtils]: 7: Hoare triple {37218#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37219#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:32:38,111 INFO L290 TraceCheckUtils]: 8: Hoare triple {37219#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37220#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:32:38,112 INFO L290 TraceCheckUtils]: 9: Hoare triple {37220#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37221#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:32:38,112 INFO L290 TraceCheckUtils]: 10: Hoare triple {37221#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37222#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:32:38,113 INFO L290 TraceCheckUtils]: 11: Hoare triple {37222#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37223#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:32:38,113 INFO L290 TraceCheckUtils]: 12: Hoare triple {37223#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37224#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:32:38,114 INFO L290 TraceCheckUtils]: 13: Hoare triple {37224#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37225#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:32:38,114 INFO L290 TraceCheckUtils]: 14: Hoare triple {37225#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37226#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:32:38,115 INFO L290 TraceCheckUtils]: 15: Hoare triple {37226#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37227#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:32:38,116 INFO L290 TraceCheckUtils]: 16: Hoare triple {37227#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37228#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:32:38,116 INFO L290 TraceCheckUtils]: 17: Hoare triple {37228#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37229#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:32:38,117 INFO L290 TraceCheckUtils]: 18: Hoare triple {37229#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37230#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:32:38,117 INFO L290 TraceCheckUtils]: 19: Hoare triple {37230#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37231#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} is VALID [2022-04-08 09:32:38,118 INFO L290 TraceCheckUtils]: 20: Hoare triple {37231#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37232#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} is VALID [2022-04-08 09:32:38,118 INFO L290 TraceCheckUtils]: 21: Hoare triple {37232#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37233#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} is VALID [2022-04-08 09:32:38,119 INFO L290 TraceCheckUtils]: 22: Hoare triple {37233#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37234#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} is VALID [2022-04-08 09:32:38,123 INFO L290 TraceCheckUtils]: 23: Hoare triple {37234#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37235#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} is VALID [2022-04-08 09:32:38,124 INFO L290 TraceCheckUtils]: 24: Hoare triple {37235#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37236#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} is VALID [2022-04-08 09:32:38,124 INFO L290 TraceCheckUtils]: 25: Hoare triple {37236#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37237#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} is VALID [2022-04-08 09:32:38,125 INFO L290 TraceCheckUtils]: 26: Hoare triple {37237#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37238#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} is VALID [2022-04-08 09:32:38,125 INFO L290 TraceCheckUtils]: 27: Hoare triple {37238#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37239#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} is VALID [2022-04-08 09:32:38,126 INFO L290 TraceCheckUtils]: 28: Hoare triple {37239#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37240#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} is VALID [2022-04-08 09:32:38,126 INFO L290 TraceCheckUtils]: 29: Hoare triple {37240#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37241#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} is VALID [2022-04-08 09:32:38,127 INFO L290 TraceCheckUtils]: 30: Hoare triple {37241#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37242#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} is VALID [2022-04-08 09:32:38,128 INFO L290 TraceCheckUtils]: 31: Hoare triple {37242#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37243#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} is VALID [2022-04-08 09:32:38,128 INFO L290 TraceCheckUtils]: 32: Hoare triple {37243#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37244#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} is VALID [2022-04-08 09:32:38,129 INFO L290 TraceCheckUtils]: 33: Hoare triple {37244#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37245#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} is VALID [2022-04-08 09:32:38,129 INFO L290 TraceCheckUtils]: 34: Hoare triple {37245#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37246#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} is VALID [2022-04-08 09:32:38,130 INFO L290 TraceCheckUtils]: 35: Hoare triple {37246#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37247#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} is VALID [2022-04-08 09:32:38,130 INFO L290 TraceCheckUtils]: 36: Hoare triple {37247#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37248#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} is VALID [2022-04-08 09:32:38,131 INFO L290 TraceCheckUtils]: 37: Hoare triple {37248#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37249#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} is VALID [2022-04-08 09:32:38,131 INFO L290 TraceCheckUtils]: 38: Hoare triple {37249#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37250#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} is VALID [2022-04-08 09:32:38,132 INFO L290 TraceCheckUtils]: 39: Hoare triple {37250#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37251#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} is VALID [2022-04-08 09:32:38,132 INFO L290 TraceCheckUtils]: 40: Hoare triple {37251#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37252#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} is VALID [2022-04-08 09:32:38,133 INFO L290 TraceCheckUtils]: 41: Hoare triple {37252#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37253#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} is VALID [2022-04-08 09:32:38,133 INFO L290 TraceCheckUtils]: 42: Hoare triple {37253#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37254#(and (<= main_~x~0 268435367) (<= 268435367 main_~x~0))} is VALID [2022-04-08 09:32:38,134 INFO L290 TraceCheckUtils]: 43: Hoare triple {37254#(and (<= main_~x~0 268435367) (<= 268435367 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37255#(and (<= 268435365 main_~x~0) (<= main_~x~0 268435365))} is VALID [2022-04-08 09:32:38,134 INFO L290 TraceCheckUtils]: 44: Hoare triple {37255#(and (<= 268435365 main_~x~0) (<= main_~x~0 268435365))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37256#(and (<= 268435363 main_~x~0) (<= main_~x~0 268435363))} is VALID [2022-04-08 09:32:38,135 INFO L290 TraceCheckUtils]: 45: Hoare triple {37256#(and (<= 268435363 main_~x~0) (<= main_~x~0 268435363))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37257#(and (<= main_~x~0 268435361) (<= 268435361 main_~x~0))} is VALID [2022-04-08 09:32:38,135 INFO L290 TraceCheckUtils]: 46: Hoare triple {37257#(and (<= main_~x~0 268435361) (<= 268435361 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37258#(and (<= main_~x~0 268435359) (<= 268435359 main_~x~0))} is VALID [2022-04-08 09:32:38,136 INFO L290 TraceCheckUtils]: 47: Hoare triple {37258#(and (<= main_~x~0 268435359) (<= 268435359 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37259#(and (<= main_~x~0 268435357) (<= 268435357 main_~x~0))} is VALID [2022-04-08 09:32:38,136 INFO L290 TraceCheckUtils]: 48: Hoare triple {37259#(and (<= main_~x~0 268435357) (<= 268435357 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37260#(and (<= main_~x~0 268435355) (<= 268435355 main_~x~0))} is VALID [2022-04-08 09:32:38,137 INFO L290 TraceCheckUtils]: 49: Hoare triple {37260#(and (<= main_~x~0 268435355) (<= 268435355 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37261#(and (<= main_~x~0 268435353) (<= 268435353 main_~x~0))} is VALID [2022-04-08 09:32:38,137 INFO L290 TraceCheckUtils]: 50: Hoare triple {37261#(and (<= main_~x~0 268435353) (<= 268435353 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37262#(and (<= 268435351 main_~x~0) (<= main_~x~0 268435351))} is VALID [2022-04-08 09:32:38,138 INFO L290 TraceCheckUtils]: 51: Hoare triple {37262#(and (<= 268435351 main_~x~0) (<= main_~x~0 268435351))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37263#(and (<= 268435349 main_~x~0) (<= main_~x~0 268435349))} is VALID [2022-04-08 09:32:38,138 INFO L290 TraceCheckUtils]: 52: Hoare triple {37263#(and (<= 268435349 main_~x~0) (<= main_~x~0 268435349))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37264#(and (<= 268435347 main_~x~0) (<= main_~x~0 268435347))} is VALID [2022-04-08 09:32:38,139 INFO L290 TraceCheckUtils]: 53: Hoare triple {37264#(and (<= 268435347 main_~x~0) (<= main_~x~0 268435347))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37265#(and (<= main_~x~0 268435345) (<= 268435345 main_~x~0))} is VALID [2022-04-08 09:32:38,139 INFO L290 TraceCheckUtils]: 54: Hoare triple {37265#(and (<= main_~x~0 268435345) (<= 268435345 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37266#(and (<= main_~x~0 268435343) (<= 268435343 main_~x~0))} is VALID [2022-04-08 09:32:38,140 INFO L290 TraceCheckUtils]: 55: Hoare triple {37266#(and (<= main_~x~0 268435343) (<= 268435343 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37267#(and (<= 268435341 main_~x~0) (<= main_~x~0 268435341))} is VALID [2022-04-08 09:32:38,140 INFO L290 TraceCheckUtils]: 56: Hoare triple {37267#(and (<= 268435341 main_~x~0) (<= main_~x~0 268435341))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37268#(and (<= 268435339 main_~x~0) (<= main_~x~0 268435339))} is VALID [2022-04-08 09:32:38,141 INFO L290 TraceCheckUtils]: 57: Hoare triple {37268#(and (<= 268435339 main_~x~0) (<= main_~x~0 268435339))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37269#(and (<= main_~x~0 268435337) (<= 268435337 main_~x~0))} is VALID [2022-04-08 09:32:38,141 INFO L290 TraceCheckUtils]: 58: Hoare triple {37269#(and (<= main_~x~0 268435337) (<= 268435337 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37270#(and (<= main_~x~0 268435335) (<= 268435335 main_~x~0))} is VALID [2022-04-08 09:32:38,142 INFO L290 TraceCheckUtils]: 59: Hoare triple {37270#(and (<= main_~x~0 268435335) (<= 268435335 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37271#(and (<= 268435333 main_~x~0) (<= main_~x~0 268435333))} is VALID [2022-04-08 09:32:38,142 INFO L290 TraceCheckUtils]: 60: Hoare triple {37271#(and (<= 268435333 main_~x~0) (<= main_~x~0 268435333))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37272#(and (<= 268435331 main_~x~0) (<= main_~x~0 268435331))} is VALID [2022-04-08 09:32:38,143 INFO L290 TraceCheckUtils]: 61: Hoare triple {37272#(and (<= 268435331 main_~x~0) (<= main_~x~0 268435331))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37273#(and (<= main_~x~0 268435329) (<= 268435329 main_~x~0))} is VALID [2022-04-08 09:32:38,143 INFO L290 TraceCheckUtils]: 62: Hoare triple {37273#(and (<= main_~x~0 268435329) (<= 268435329 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37274#(and (<= main_~x~0 268435327) (<= 268435327 main_~x~0))} is VALID [2022-04-08 09:32:38,144 INFO L290 TraceCheckUtils]: 63: Hoare triple {37274#(and (<= main_~x~0 268435327) (<= 268435327 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37275#(and (<= 268435325 main_~x~0) (<= main_~x~0 268435325))} is VALID [2022-04-08 09:32:38,144 INFO L290 TraceCheckUtils]: 64: Hoare triple {37275#(and (<= 268435325 main_~x~0) (<= main_~x~0 268435325))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37276#(and (<= 268435323 main_~x~0) (<= (div main_~x~0 4294967296) 0))} is VALID [2022-04-08 09:32:38,145 INFO L290 TraceCheckUtils]: 65: Hoare triple {37276#(and (<= 268435323 main_~x~0) (<= (div main_~x~0 4294967296) 0))} assume !(~x~0 % 4294967296 > 1); {37213#false} is VALID [2022-04-08 09:32:38,145 INFO L272 TraceCheckUtils]: 66: Hoare triple {37213#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)); {37213#false} is VALID [2022-04-08 09:32:38,145 INFO L290 TraceCheckUtils]: 67: Hoare triple {37213#false} ~cond := #in~cond; {37213#false} is VALID [2022-04-08 09:32:38,145 INFO L290 TraceCheckUtils]: 68: Hoare triple {37213#false} assume 0 == ~cond; {37213#false} is VALID [2022-04-08 09:32:38,145 INFO L290 TraceCheckUtils]: 69: Hoare triple {37213#false} assume !false; {37213#false} is VALID [2022-04-08 09:32:38,146 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:32:38,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 09:32:38,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101466498] [2022-04-08 09:32:38,146 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101466498] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-08 09:32:38,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [797607360] [2022-04-08 09:32:38,146 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-04-08 09:32:38,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 09:32:38,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 09:32:38,147 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) [2022-04-08 09:32:38,148 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (60)] Waiting until timeout for monitored process [2022-04-08 09:32:38,298 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-04-08 09:32:38,298 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-04-08 09:32:38,300 WARN L261 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 121 conjunts are in the unsatisfiable core [2022-04-08 09:32:38,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:32:38,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-04-08 09:32:39,050 INFO L272 TraceCheckUtils]: 0: Hoare triple {37212#true} call ULTIMATE.init(); {37212#true} is VALID [2022-04-08 09:32:39,050 INFO L290 TraceCheckUtils]: 1: Hoare triple {37212#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(13, 2);call #Ultimate.allocInit(12, 3); {37212#true} is VALID [2022-04-08 09:32:39,050 INFO L290 TraceCheckUtils]: 2: Hoare triple {37212#true} assume true; {37212#true} is VALID [2022-04-08 09:32:39,051 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {37212#true} {37212#true} #34#return; {37212#true} is VALID [2022-04-08 09:32:39,051 INFO L272 TraceCheckUtils]: 4: Hoare triple {37212#true} call #t~ret4 := main(); {37212#true} is VALID [2022-04-08 09:32:39,051 INFO L290 TraceCheckUtils]: 5: Hoare triple {37212#true} ~x~0 := 268435441; {37217#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:32:39,052 INFO L290 TraceCheckUtils]: 6: Hoare triple {37217#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37218#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:32:39,052 INFO L290 TraceCheckUtils]: 7: Hoare triple {37218#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37219#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:32:39,053 INFO L290 TraceCheckUtils]: 8: Hoare triple {37219#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37220#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:32:39,063 INFO L290 TraceCheckUtils]: 9: Hoare triple {37220#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37221#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:32:39,063 INFO L290 TraceCheckUtils]: 10: Hoare triple {37221#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37222#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:32:39,064 INFO L290 TraceCheckUtils]: 11: Hoare triple {37222#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37223#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:32:39,064 INFO L290 TraceCheckUtils]: 12: Hoare triple {37223#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37224#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:32:39,065 INFO L290 TraceCheckUtils]: 13: Hoare triple {37224#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37225#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:32:39,065 INFO L290 TraceCheckUtils]: 14: Hoare triple {37225#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37226#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:32:39,066 INFO L290 TraceCheckUtils]: 15: Hoare triple {37226#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37227#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:32:39,066 INFO L290 TraceCheckUtils]: 16: Hoare triple {37227#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37228#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:32:39,067 INFO L290 TraceCheckUtils]: 17: Hoare triple {37228#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37229#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:32:39,067 INFO L290 TraceCheckUtils]: 18: Hoare triple {37229#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37230#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:32:39,068 INFO L290 TraceCheckUtils]: 19: Hoare triple {37230#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37231#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} is VALID [2022-04-08 09:32:39,068 INFO L290 TraceCheckUtils]: 20: Hoare triple {37231#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37232#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} is VALID [2022-04-08 09:32:39,069 INFO L290 TraceCheckUtils]: 21: Hoare triple {37232#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37233#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} is VALID [2022-04-08 09:32:39,069 INFO L290 TraceCheckUtils]: 22: Hoare triple {37233#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37234#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} is VALID [2022-04-08 09:32:39,070 INFO L290 TraceCheckUtils]: 23: Hoare triple {37234#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37235#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} is VALID [2022-04-08 09:32:39,070 INFO L290 TraceCheckUtils]: 24: Hoare triple {37235#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37236#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} is VALID [2022-04-08 09:32:39,071 INFO L290 TraceCheckUtils]: 25: Hoare triple {37236#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37237#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} is VALID [2022-04-08 09:32:39,072 INFO L290 TraceCheckUtils]: 26: Hoare triple {37237#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37238#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} is VALID [2022-04-08 09:32:39,072 INFO L290 TraceCheckUtils]: 27: Hoare triple {37238#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37239#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} is VALID [2022-04-08 09:32:39,073 INFO L290 TraceCheckUtils]: 28: Hoare triple {37239#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37240#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} is VALID [2022-04-08 09:32:39,073 INFO L290 TraceCheckUtils]: 29: Hoare triple {37240#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37241#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} is VALID [2022-04-08 09:32:39,074 INFO L290 TraceCheckUtils]: 30: Hoare triple {37241#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37242#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} is VALID [2022-04-08 09:32:39,074 INFO L290 TraceCheckUtils]: 31: Hoare triple {37242#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37243#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} is VALID [2022-04-08 09:32:39,075 INFO L290 TraceCheckUtils]: 32: Hoare triple {37243#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37244#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} is VALID [2022-04-08 09:32:39,075 INFO L290 TraceCheckUtils]: 33: Hoare triple {37244#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37245#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} is VALID [2022-04-08 09:32:39,076 INFO L290 TraceCheckUtils]: 34: Hoare triple {37245#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37246#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} is VALID [2022-04-08 09:32:39,076 INFO L290 TraceCheckUtils]: 35: Hoare triple {37246#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37247#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} is VALID [2022-04-08 09:32:39,077 INFO L290 TraceCheckUtils]: 36: Hoare triple {37247#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37248#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} is VALID [2022-04-08 09:32:39,077 INFO L290 TraceCheckUtils]: 37: Hoare triple {37248#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37249#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} is VALID [2022-04-08 09:32:39,078 INFO L290 TraceCheckUtils]: 38: Hoare triple {37249#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37250#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} is VALID [2022-04-08 09:32:39,078 INFO L290 TraceCheckUtils]: 39: Hoare triple {37250#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37251#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} is VALID [2022-04-08 09:32:39,079 INFO L290 TraceCheckUtils]: 40: Hoare triple {37251#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37252#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} is VALID [2022-04-08 09:32:39,079 INFO L290 TraceCheckUtils]: 41: Hoare triple {37252#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37253#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} is VALID [2022-04-08 09:32:39,080 INFO L290 TraceCheckUtils]: 42: Hoare triple {37253#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37254#(and (<= main_~x~0 268435367) (<= 268435367 main_~x~0))} is VALID [2022-04-08 09:32:39,080 INFO L290 TraceCheckUtils]: 43: Hoare triple {37254#(and (<= main_~x~0 268435367) (<= 268435367 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37255#(and (<= 268435365 main_~x~0) (<= main_~x~0 268435365))} is VALID [2022-04-08 09:32:39,081 INFO L290 TraceCheckUtils]: 44: Hoare triple {37255#(and (<= 268435365 main_~x~0) (<= main_~x~0 268435365))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37256#(and (<= 268435363 main_~x~0) (<= main_~x~0 268435363))} is VALID [2022-04-08 09:32:39,081 INFO L290 TraceCheckUtils]: 45: Hoare triple {37256#(and (<= 268435363 main_~x~0) (<= main_~x~0 268435363))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37257#(and (<= main_~x~0 268435361) (<= 268435361 main_~x~0))} is VALID [2022-04-08 09:32:39,082 INFO L290 TraceCheckUtils]: 46: Hoare triple {37257#(and (<= main_~x~0 268435361) (<= 268435361 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37258#(and (<= main_~x~0 268435359) (<= 268435359 main_~x~0))} is VALID [2022-04-08 09:32:39,082 INFO L290 TraceCheckUtils]: 47: Hoare triple {37258#(and (<= main_~x~0 268435359) (<= 268435359 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37259#(and (<= main_~x~0 268435357) (<= 268435357 main_~x~0))} is VALID [2022-04-08 09:32:39,083 INFO L290 TraceCheckUtils]: 48: Hoare triple {37259#(and (<= main_~x~0 268435357) (<= 268435357 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37260#(and (<= main_~x~0 268435355) (<= 268435355 main_~x~0))} is VALID [2022-04-08 09:32:39,083 INFO L290 TraceCheckUtils]: 49: Hoare triple {37260#(and (<= main_~x~0 268435355) (<= 268435355 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37261#(and (<= main_~x~0 268435353) (<= 268435353 main_~x~0))} is VALID [2022-04-08 09:32:39,084 INFO L290 TraceCheckUtils]: 50: Hoare triple {37261#(and (<= main_~x~0 268435353) (<= 268435353 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37262#(and (<= 268435351 main_~x~0) (<= main_~x~0 268435351))} is VALID [2022-04-08 09:32:39,084 INFO L290 TraceCheckUtils]: 51: Hoare triple {37262#(and (<= 268435351 main_~x~0) (<= main_~x~0 268435351))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37263#(and (<= 268435349 main_~x~0) (<= main_~x~0 268435349))} is VALID [2022-04-08 09:32:39,085 INFO L290 TraceCheckUtils]: 52: Hoare triple {37263#(and (<= 268435349 main_~x~0) (<= main_~x~0 268435349))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37264#(and (<= 268435347 main_~x~0) (<= main_~x~0 268435347))} is VALID [2022-04-08 09:32:39,085 INFO L290 TraceCheckUtils]: 53: Hoare triple {37264#(and (<= 268435347 main_~x~0) (<= main_~x~0 268435347))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37265#(and (<= main_~x~0 268435345) (<= 268435345 main_~x~0))} is VALID [2022-04-08 09:32:39,086 INFO L290 TraceCheckUtils]: 54: Hoare triple {37265#(and (<= main_~x~0 268435345) (<= 268435345 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37266#(and (<= main_~x~0 268435343) (<= 268435343 main_~x~0))} is VALID [2022-04-08 09:32:39,086 INFO L290 TraceCheckUtils]: 55: Hoare triple {37266#(and (<= main_~x~0 268435343) (<= 268435343 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37267#(and (<= 268435341 main_~x~0) (<= main_~x~0 268435341))} is VALID [2022-04-08 09:32:39,087 INFO L290 TraceCheckUtils]: 56: Hoare triple {37267#(and (<= 268435341 main_~x~0) (<= main_~x~0 268435341))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37268#(and (<= 268435339 main_~x~0) (<= main_~x~0 268435339))} is VALID [2022-04-08 09:32:39,087 INFO L290 TraceCheckUtils]: 57: Hoare triple {37268#(and (<= 268435339 main_~x~0) (<= main_~x~0 268435339))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37269#(and (<= main_~x~0 268435337) (<= 268435337 main_~x~0))} is VALID [2022-04-08 09:32:39,088 INFO L290 TraceCheckUtils]: 58: Hoare triple {37269#(and (<= main_~x~0 268435337) (<= 268435337 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37270#(and (<= main_~x~0 268435335) (<= 268435335 main_~x~0))} is VALID [2022-04-08 09:32:39,088 INFO L290 TraceCheckUtils]: 59: Hoare triple {37270#(and (<= main_~x~0 268435335) (<= 268435335 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37271#(and (<= 268435333 main_~x~0) (<= main_~x~0 268435333))} is VALID [2022-04-08 09:32:39,089 INFO L290 TraceCheckUtils]: 60: Hoare triple {37271#(and (<= 268435333 main_~x~0) (<= main_~x~0 268435333))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37272#(and (<= 268435331 main_~x~0) (<= main_~x~0 268435331))} is VALID [2022-04-08 09:32:39,089 INFO L290 TraceCheckUtils]: 61: Hoare triple {37272#(and (<= 268435331 main_~x~0) (<= main_~x~0 268435331))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37273#(and (<= main_~x~0 268435329) (<= 268435329 main_~x~0))} is VALID [2022-04-08 09:32:39,090 INFO L290 TraceCheckUtils]: 62: Hoare triple {37273#(and (<= main_~x~0 268435329) (<= 268435329 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37274#(and (<= main_~x~0 268435327) (<= 268435327 main_~x~0))} is VALID [2022-04-08 09:32:39,091 INFO L290 TraceCheckUtils]: 63: Hoare triple {37274#(and (<= main_~x~0 268435327) (<= 268435327 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37275#(and (<= 268435325 main_~x~0) (<= main_~x~0 268435325))} is VALID [2022-04-08 09:32:39,091 INFO L290 TraceCheckUtils]: 64: Hoare triple {37275#(and (<= 268435325 main_~x~0) (<= main_~x~0 268435325))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37473#(and (<= main_~x~0 268435323) (<= 268435323 main_~x~0))} is VALID [2022-04-08 09:32:39,092 INFO L290 TraceCheckUtils]: 65: Hoare triple {37473#(and (<= main_~x~0 268435323) (<= 268435323 main_~x~0))} assume !(~x~0 % 4294967296 > 1); {37213#false} is VALID [2022-04-08 09:32:39,092 INFO L272 TraceCheckUtils]: 66: Hoare triple {37213#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)); {37213#false} is VALID [2022-04-08 09:32:39,092 INFO L290 TraceCheckUtils]: 67: Hoare triple {37213#false} ~cond := #in~cond; {37213#false} is VALID [2022-04-08 09:32:39,092 INFO L290 TraceCheckUtils]: 68: Hoare triple {37213#false} assume 0 == ~cond; {37213#false} is VALID [2022-04-08 09:32:39,092 INFO L290 TraceCheckUtils]: 69: Hoare triple {37213#false} assume !false; {37213#false} is VALID [2022-04-08 09:32:39,092 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:32:39,092 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-04-08 09:32:44,661 INFO L290 TraceCheckUtils]: 69: Hoare triple {37213#false} assume !false; {37213#false} is VALID [2022-04-08 09:32:44,661 INFO L290 TraceCheckUtils]: 68: Hoare triple {37213#false} assume 0 == ~cond; {37213#false} is VALID [2022-04-08 09:32:44,661 INFO L290 TraceCheckUtils]: 67: Hoare triple {37213#false} ~cond := #in~cond; {37213#false} is VALID [2022-04-08 09:32:44,661 INFO L272 TraceCheckUtils]: 66: Hoare triple {37213#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)); {37213#false} is VALID [2022-04-08 09:32:44,661 INFO L290 TraceCheckUtils]: 65: Hoare triple {37501#(< 1 (mod main_~x~0 4294967296))} assume !(~x~0 % 4294967296 > 1); {37213#false} is VALID [2022-04-08 09:32:44,663 INFO L290 TraceCheckUtils]: 64: Hoare triple {37505#(< 1 (mod (+ main_~x~0 4294967294) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37501#(< 1 (mod main_~x~0 4294967296))} is VALID [2022-04-08 09:32:44,663 INFO L290 TraceCheckUtils]: 63: Hoare triple {37509#(< 1 (mod (+ 4294967292 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37505#(< 1 (mod (+ main_~x~0 4294967294) 4294967296))} is VALID [2022-04-08 09:32:44,664 INFO L290 TraceCheckUtils]: 62: Hoare triple {37513#(< 1 (mod (+ 4294967290 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37509#(< 1 (mod (+ 4294967292 main_~x~0) 4294967296))} is VALID [2022-04-08 09:32:44,665 INFO L290 TraceCheckUtils]: 61: Hoare triple {37517#(< 1 (mod (+ 4294967288 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37513#(< 1 (mod (+ 4294967290 main_~x~0) 4294967296))} is VALID [2022-04-08 09:32:44,666 INFO L290 TraceCheckUtils]: 60: Hoare triple {37521#(< 1 (mod (+ main_~x~0 4294967286) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37517#(< 1 (mod (+ 4294967288 main_~x~0) 4294967296))} is VALID [2022-04-08 09:32:44,667 INFO L290 TraceCheckUtils]: 59: Hoare triple {37525#(< 1 (mod (+ main_~x~0 4294967284) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37521#(< 1 (mod (+ main_~x~0 4294967286) 4294967296))} is VALID [2022-04-08 09:32:44,667 INFO L290 TraceCheckUtils]: 58: Hoare triple {37529#(< 1 (mod (+ 4294967282 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37525#(< 1 (mod (+ main_~x~0 4294967284) 4294967296))} is VALID [2022-04-08 09:32:44,668 INFO L290 TraceCheckUtils]: 57: Hoare triple {37533#(< 1 (mod (+ main_~x~0 4294967280) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37529#(< 1 (mod (+ 4294967282 main_~x~0) 4294967296))} is VALID [2022-04-08 09:32:44,669 INFO L290 TraceCheckUtils]: 56: Hoare triple {37537#(< 1 (mod (+ main_~x~0 4294967278) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37533#(< 1 (mod (+ main_~x~0 4294967280) 4294967296))} is VALID [2022-04-08 09:32:44,669 INFO L290 TraceCheckUtils]: 55: Hoare triple {37541#(< 1 (mod (+ 4294967276 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37537#(< 1 (mod (+ main_~x~0 4294967278) 4294967296))} is VALID [2022-04-08 09:32:44,670 INFO L290 TraceCheckUtils]: 54: Hoare triple {37545#(< 1 (mod (+ 4294967274 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37541#(< 1 (mod (+ 4294967276 main_~x~0) 4294967296))} is VALID [2022-04-08 09:32:44,671 INFO L290 TraceCheckUtils]: 53: Hoare triple {37549#(< 1 (mod (+ 4294967272 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37545#(< 1 (mod (+ 4294967274 main_~x~0) 4294967296))} is VALID [2022-04-08 09:32:44,671 INFO L290 TraceCheckUtils]: 52: Hoare triple {37553#(< 1 (mod (+ main_~x~0 4294967270) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37549#(< 1 (mod (+ 4294967272 main_~x~0) 4294967296))} is VALID [2022-04-08 09:32:44,672 INFO L290 TraceCheckUtils]: 51: Hoare triple {37557#(< 1 (mod (+ main_~x~0 4294967268) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37553#(< 1 (mod (+ main_~x~0 4294967270) 4294967296))} is VALID [2022-04-08 09:32:44,672 INFO L290 TraceCheckUtils]: 50: Hoare triple {37561#(< 1 (mod (+ main_~x~0 4294967266) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37557#(< 1 (mod (+ main_~x~0 4294967268) 4294967296))} is VALID [2022-04-08 09:32:44,673 INFO L290 TraceCheckUtils]: 49: Hoare triple {37565#(< 1 (mod (+ main_~x~0 4294967264) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37561#(< 1 (mod (+ main_~x~0 4294967266) 4294967296))} is VALID [2022-04-08 09:32:44,674 INFO L290 TraceCheckUtils]: 48: Hoare triple {37569#(< 1 (mod (+ main_~x~0 4294967262) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37565#(< 1 (mod (+ main_~x~0 4294967264) 4294967296))} is VALID [2022-04-08 09:32:44,674 INFO L290 TraceCheckUtils]: 47: Hoare triple {37573#(< 1 (mod (+ 4294967260 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37569#(< 1 (mod (+ main_~x~0 4294967262) 4294967296))} is VALID [2022-04-08 09:32:44,675 INFO L290 TraceCheckUtils]: 46: Hoare triple {37577#(< 1 (mod (+ main_~x~0 4294967258) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37573#(< 1 (mod (+ 4294967260 main_~x~0) 4294967296))} is VALID [2022-04-08 09:32:44,676 INFO L290 TraceCheckUtils]: 45: Hoare triple {37581#(< 1 (mod (+ main_~x~0 4294967256) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37577#(< 1 (mod (+ main_~x~0 4294967258) 4294967296))} is VALID [2022-04-08 09:32:44,677 INFO L290 TraceCheckUtils]: 44: Hoare triple {37585#(< 1 (mod (+ 4294967254 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37581#(< 1 (mod (+ main_~x~0 4294967256) 4294967296))} is VALID [2022-04-08 09:32:44,678 INFO L290 TraceCheckUtils]: 43: Hoare triple {37589#(< 1 (mod (+ main_~x~0 4294967252) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37585#(< 1 (mod (+ 4294967254 main_~x~0) 4294967296))} is VALID [2022-04-08 09:32:44,678 INFO L290 TraceCheckUtils]: 42: Hoare triple {37593#(< 1 (mod (+ 4294967250 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37589#(< 1 (mod (+ main_~x~0 4294967252) 4294967296))} is VALID [2022-04-08 09:32:44,679 INFO L290 TraceCheckUtils]: 41: Hoare triple {37597#(< 1 (mod (+ main_~x~0 4294967248) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37593#(< 1 (mod (+ 4294967250 main_~x~0) 4294967296))} is VALID [2022-04-08 09:32:44,681 INFO L290 TraceCheckUtils]: 40: Hoare triple {37601#(< 1 (mod (+ 4294967246 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37597#(< 1 (mod (+ main_~x~0 4294967248) 4294967296))} is VALID [2022-04-08 09:32:44,682 INFO L290 TraceCheckUtils]: 39: Hoare triple {37605#(< 1 (mod (+ main_~x~0 4294967244) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37601#(< 1 (mod (+ 4294967246 main_~x~0) 4294967296))} is VALID [2022-04-08 09:32:44,682 INFO L290 TraceCheckUtils]: 38: Hoare triple {37609#(< 1 (mod (+ main_~x~0 4294967242) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37605#(< 1 (mod (+ main_~x~0 4294967244) 4294967296))} is VALID [2022-04-08 09:32:44,683 INFO L290 TraceCheckUtils]: 37: Hoare triple {37613#(< 1 (mod (+ 4294967240 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37609#(< 1 (mod (+ main_~x~0 4294967242) 4294967296))} is VALID [2022-04-08 09:32:44,683 INFO L290 TraceCheckUtils]: 36: Hoare triple {37617#(< 1 (mod (+ 4294967238 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37613#(< 1 (mod (+ 4294967240 main_~x~0) 4294967296))} is VALID [2022-04-08 09:32:44,684 INFO L290 TraceCheckUtils]: 35: Hoare triple {37621#(< 1 (mod (+ main_~x~0 4294967236) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37617#(< 1 (mod (+ 4294967238 main_~x~0) 4294967296))} is VALID [2022-04-08 09:32:44,685 INFO L290 TraceCheckUtils]: 34: Hoare triple {37625#(< 1 (mod (+ main_~x~0 4294967234) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37621#(< 1 (mod (+ main_~x~0 4294967236) 4294967296))} is VALID [2022-04-08 09:32:44,686 INFO L290 TraceCheckUtils]: 33: Hoare triple {37629#(< 1 (mod (+ main_~x~0 4294967232) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37625#(< 1 (mod (+ main_~x~0 4294967234) 4294967296))} is VALID [2022-04-08 09:32:44,686 INFO L290 TraceCheckUtils]: 32: Hoare triple {37633#(< 1 (mod (+ 4294967230 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37629#(< 1 (mod (+ main_~x~0 4294967232) 4294967296))} is VALID [2022-04-08 09:32:44,687 INFO L290 TraceCheckUtils]: 31: Hoare triple {37637#(< 1 (mod (+ main_~x~0 4294967228) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37633#(< 1 (mod (+ 4294967230 main_~x~0) 4294967296))} is VALID [2022-04-08 09:32:44,687 INFO L290 TraceCheckUtils]: 30: Hoare triple {37641#(< 1 (mod (+ main_~x~0 4294967226) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37637#(< 1 (mod (+ main_~x~0 4294967228) 4294967296))} is VALID [2022-04-08 09:32:44,688 INFO L290 TraceCheckUtils]: 29: Hoare triple {37645#(< 1 (mod (+ 4294967224 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37641#(< 1 (mod (+ main_~x~0 4294967226) 4294967296))} is VALID [2022-04-08 09:32:44,689 INFO L290 TraceCheckUtils]: 28: Hoare triple {37649#(< 1 (mod (+ main_~x~0 4294967222) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37645#(< 1 (mod (+ 4294967224 main_~x~0) 4294967296))} is VALID [2022-04-08 09:32:44,689 INFO L290 TraceCheckUtils]: 27: Hoare triple {37653#(< 1 (mod (+ main_~x~0 4294967220) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37649#(< 1 (mod (+ main_~x~0 4294967222) 4294967296))} is VALID [2022-04-08 09:32:44,690 INFO L290 TraceCheckUtils]: 26: Hoare triple {37657#(< 1 (mod (+ 4294967218 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37653#(< 1 (mod (+ main_~x~0 4294967220) 4294967296))} is VALID [2022-04-08 09:32:44,691 INFO L290 TraceCheckUtils]: 25: Hoare triple {37661#(< 1 (mod (+ 4294967216 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37657#(< 1 (mod (+ 4294967218 main_~x~0) 4294967296))} is VALID [2022-04-08 09:32:44,692 INFO L290 TraceCheckUtils]: 24: Hoare triple {37665#(< 1 (mod (+ main_~x~0 4294967214) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37661#(< 1 (mod (+ 4294967216 main_~x~0) 4294967296))} is VALID [2022-04-08 09:32:44,693 INFO L290 TraceCheckUtils]: 23: Hoare triple {37669#(< 1 (mod (+ 4294967212 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37665#(< 1 (mod (+ main_~x~0 4294967214) 4294967296))} is VALID [2022-04-08 09:32:44,694 INFO L290 TraceCheckUtils]: 22: Hoare triple {37673#(< 1 (mod (+ 4294967210 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37669#(< 1 (mod (+ 4294967212 main_~x~0) 4294967296))} is VALID [2022-04-08 09:32:44,694 INFO L290 TraceCheckUtils]: 21: Hoare triple {37677#(< 1 (mod (+ main_~x~0 4294967208) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37673#(< 1 (mod (+ 4294967210 main_~x~0) 4294967296))} is VALID [2022-04-08 09:32:44,695 INFO L290 TraceCheckUtils]: 20: Hoare triple {37681#(< 1 (mod (+ 4294967206 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37677#(< 1 (mod (+ main_~x~0 4294967208) 4294967296))} is VALID [2022-04-08 09:32:44,696 INFO L290 TraceCheckUtils]: 19: Hoare triple {37685#(< 1 (mod (+ main_~x~0 4294967204) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37681#(< 1 (mod (+ 4294967206 main_~x~0) 4294967296))} is VALID [2022-04-08 09:32:44,696 INFO L290 TraceCheckUtils]: 18: Hoare triple {37689#(< 1 (mod (+ 4294967202 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37685#(< 1 (mod (+ main_~x~0 4294967204) 4294967296))} is VALID [2022-04-08 09:32:44,697 INFO L290 TraceCheckUtils]: 17: Hoare triple {37693#(< 1 (mod (+ 4294967200 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37689#(< 1 (mod (+ 4294967202 main_~x~0) 4294967296))} is VALID [2022-04-08 09:32:44,698 INFO L290 TraceCheckUtils]: 16: Hoare triple {37697#(< 1 (mod (+ 4294967198 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37693#(< 1 (mod (+ 4294967200 main_~x~0) 4294967296))} is VALID [2022-04-08 09:32:44,699 INFO L290 TraceCheckUtils]: 15: Hoare triple {37701#(< 1 (mod (+ 4294967196 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37697#(< 1 (mod (+ 4294967198 main_~x~0) 4294967296))} is VALID [2022-04-08 09:32:44,699 INFO L290 TraceCheckUtils]: 14: Hoare triple {37705#(< 1 (mod (+ 4294967194 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37701#(< 1 (mod (+ 4294967196 main_~x~0) 4294967296))} is VALID [2022-04-08 09:32:44,700 INFO L290 TraceCheckUtils]: 13: Hoare triple {37709#(< 1 (mod (+ 4294967192 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37705#(< 1 (mod (+ 4294967194 main_~x~0) 4294967296))} is VALID [2022-04-08 09:32:44,700 INFO L290 TraceCheckUtils]: 12: Hoare triple {37713#(< 1 (mod (+ main_~x~0 4294967190) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37709#(< 1 (mod (+ 4294967192 main_~x~0) 4294967296))} is VALID [2022-04-08 09:32:44,701 INFO L290 TraceCheckUtils]: 11: Hoare triple {37717#(< 1 (mod (+ 4294967188 main_~x~0) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37713#(< 1 (mod (+ main_~x~0 4294967190) 4294967296))} is VALID [2022-04-08 09:32:44,702 INFO L290 TraceCheckUtils]: 10: Hoare triple {37721#(< 1 (mod (+ main_~x~0 4294967186) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37717#(< 1 (mod (+ 4294967188 main_~x~0) 4294967296))} is VALID [2022-04-08 09:32:44,702 INFO L290 TraceCheckUtils]: 9: Hoare triple {37725#(< 1 (mod (+ main_~x~0 4294967184) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37721#(< 1 (mod (+ main_~x~0 4294967186) 4294967296))} is VALID [2022-04-08 09:32:44,703 INFO L290 TraceCheckUtils]: 8: Hoare triple {37729#(< 1 (mod (+ main_~x~0 4294967182) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37725#(< 1 (mod (+ main_~x~0 4294967184) 4294967296))} is VALID [2022-04-08 09:32:44,704 INFO L290 TraceCheckUtils]: 7: Hoare triple {37733#(< 1 (mod (+ main_~x~0 4294967180) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37729#(< 1 (mod (+ main_~x~0 4294967182) 4294967296))} is VALID [2022-04-08 09:32:44,704 INFO L290 TraceCheckUtils]: 6: Hoare triple {37737#(< 1 (mod (+ main_~x~0 4294967178) 4294967296))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {37733#(< 1 (mod (+ main_~x~0 4294967180) 4294967296))} is VALID [2022-04-08 09:32:44,705 INFO L290 TraceCheckUtils]: 5: Hoare triple {37212#true} ~x~0 := 268435441; {37737#(< 1 (mod (+ main_~x~0 4294967178) 4294967296))} is VALID [2022-04-08 09:32:44,705 INFO L272 TraceCheckUtils]: 4: Hoare triple {37212#true} call #t~ret4 := main(); {37212#true} is VALID [2022-04-08 09:32:44,705 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {37212#true} {37212#true} #34#return; {37212#true} is VALID [2022-04-08 09:32:44,705 INFO L290 TraceCheckUtils]: 2: Hoare triple {37212#true} assume true; {37212#true} is VALID [2022-04-08 09:32:44,705 INFO L290 TraceCheckUtils]: 1: Hoare triple {37212#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(13, 2);call #Ultimate.allocInit(12, 3); {37212#true} is VALID [2022-04-08 09:32:44,705 INFO L272 TraceCheckUtils]: 0: Hoare triple {37212#true} call ULTIMATE.init(); {37212#true} is VALID [2022-04-08 09:32:44,706 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:32:44,706 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [797607360] provided 0 perfect and 2 imperfect interpolant sequences [2022-04-08 09:32:44,706 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-04-08 09:32:44,706 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [63, 62, 62] total 124 [2022-04-08 09:32:44,706 INFO L136 FreeRefinementEngine]: Strategy ACCELERATED_INTERPOLATION found an infeasible trace [2022-04-08 09:32:44,706 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAcceleratedInterpolation [166164155] [2022-04-08 09:32:44,706 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleAcceleratedInterpolation [166164155] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-08 09:32:44,706 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-08 09:32:44,706 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [63] imperfect sequences [] total 63 [2022-04-08 09:32:44,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894501360] [2022-04-08 09:32:44,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-08 09:32:44,707 INFO L78 Accepts]: Start accepts. Automaton has has 63 states, 63 states have (on average 1.0476190476190477) internal successors, (66), 62 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 [2022-04-08 09:32:44,707 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-04-08 09:32:44,707 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with has 63 states, 63 states have (on average 1.0476190476190477) internal successors, (66), 62 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) [2022-04-08 09:32:44,745 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 70 edges. 70 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:32:44,745 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2022-04-08 09:32:44,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy ACCELERATED_INTERPOLATION [2022-04-08 09:32:44,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2022-04-08 09:32:44,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3965, Invalid=11287, Unknown=0, NotChecked=0, Total=15252 [2022-04-08 09:32:44,747 INFO L87 Difference]: Start difference. First operand 71 states and 71 transitions. Second operand has 63 states, 63 states have (on average 1.0476190476190477) internal successors, (66), 62 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) [2022-04-08 09:32:51,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:32:51,692 INFO L93 Difference]: Finished difference Result 77 states and 77 transitions. [2022-04-08 09:32:51,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-04-08 09:32:51,692 INFO L78 Accepts]: Start accepts. Automaton has has 63 states, 63 states have (on average 1.0476190476190477) internal successors, (66), 62 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 [2022-04-08 09:32:51,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-08 09:32:51,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 63 states have (on average 1.0476190476190477) internal successors, (66), 62 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) [2022-04-08 09:32:51,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 77 transitions. [2022-04-08 09:32:51,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 63 states have (on average 1.0476190476190477) internal successors, (66), 62 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) [2022-04-08 09:32:51,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 77 transitions. [2022-04-08 09:32:51,694 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 63 states and 77 transitions. [2022-04-08 09:32:51,743 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 77 edges. 77 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:32:51,743 INFO L225 Difference]: With dead ends: 77 [2022-04-08 09:32:51,744 INFO L226 Difference]: Without dead ends: 72 [2022-04-08 09:32:51,745 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 81 SyntacticMatches, 1 SemanticMatches, 182 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1893 ImplicationChecksByTransitivity, 8.6s TimeCoverageRelationStatistics Valid=7923, Invalid=25749, Unknown=0, NotChecked=0, Total=33672 [2022-04-08 09:32:51,745 INFO L913 BasicCegarLoop]: 11 mSDtfsCounter, 6 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 3597 mSolverCounterSat, 121 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 3718 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 121 IncrementalHoareTripleChecker+Valid, 3597 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-04-08 09:32:51,745 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 68 Invalid, 3718 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [121 Valid, 3597 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-04-08 09:32:51,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2022-04-08 09:32:51,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2022-04-08 09:32:51,825 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-04-08 09:32:51,825 INFO L82 GeneralOperation]: Start isEquivalent. First operand 72 states. Second operand has 72 states, 67 states have (on average 1.0149253731343284) internal successors, (68), 67 states have internal predecessors, (68), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:32:51,825 INFO L74 IsIncluded]: Start isIncluded. First operand 72 states. Second operand has 72 states, 67 states have (on average 1.0149253731343284) internal successors, (68), 67 states have internal predecessors, (68), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:32:51,825 INFO L87 Difference]: Start difference. First operand 72 states. Second operand has 72 states, 67 states have (on average 1.0149253731343284) internal successors, (68), 67 states have internal predecessors, (68), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:32:51,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:32:51,826 INFO L93 Difference]: Finished difference Result 72 states and 72 transitions. [2022-04-08 09:32:51,826 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 72 transitions. [2022-04-08 09:32:51,826 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:32:51,826 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:32:51,826 INFO L74 IsIncluded]: Start isIncluded. First operand has 72 states, 67 states have (on average 1.0149253731343284) internal successors, (68), 67 states have internal predecessors, (68), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 72 states. [2022-04-08 09:32:51,827 INFO L87 Difference]: Start difference. First operand has 72 states, 67 states have (on average 1.0149253731343284) internal successors, (68), 67 states have internal predecessors, (68), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand 72 states. [2022-04-08 09:32:51,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-08 09:32:51,827 INFO L93 Difference]: Finished difference Result 72 states and 72 transitions. [2022-04-08 09:32:51,827 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 72 transitions. [2022-04-08 09:32:51,827 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-08 09:32:51,827 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-04-08 09:32:51,828 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-04-08 09:32:51,828 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-04-08 09:32:51,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 67 states have (on average 1.0149253731343284) internal successors, (68), 67 states have internal predecessors, (68), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-04-08 09:32:51,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 72 transitions. [2022-04-08 09:32:51,828 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 72 transitions. Word has length 70 [2022-04-08 09:32:51,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-08 09:32:51,828 INFO L478 AbstractCegarLoop]: Abstraction has 72 states and 72 transitions. [2022-04-08 09:32:51,829 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 1.0476190476190477) internal successors, (66), 62 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) [2022-04-08 09:32:51,829 INFO L86 InductivityCheck]: Starting inductivity check of a Floyd-Hoare automaton with 72 states and 72 transitions. [2022-04-08 09:32:51,882 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 72 edges. 72 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-04-08 09:32:51,882 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 72 transitions. [2022-04-08 09:32:51,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-04-08 09:32:51,883 INFO L491 BasicCegarLoop]: Found error trace [2022-04-08 09:32:51,883 INFO L499 BasicCegarLoop]: trace histogram [60, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-08 09:32:51,899 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (60)] Forceful destruction successful, exit code 0 [2022-04-08 09:32:52,083 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,60 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 09:32:52,083 INFO L403 AbstractCegarLoop]: === Iteration 62 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-08 09:32:52,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-08 09:32:52,084 INFO L85 PathProgramCache]: Analyzing trace with hash -529818276, now seen corresponding path program 119 times [2022-04-08 09:32:52,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy ACCELERATED_INTERPOLATION [2022-04-08 09:32:52,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleAcceleratedInterpolation [355059200] [2022-04-08 09:32:52,086 INFO L97 AcceleratorQvasr]: Qvasr could not accelerate loop because java.lang.UnsupportedOperationException: Cannot deal with arrays. [2022-04-08 09:32:52,086 INFO L274 tedInterpolationCore]: Could not compute an accelerate. [2022-04-08 09:32:52,086 INFO L85 PathProgramCache]: Analyzing trace with hash -529818276, now seen corresponding path program 120 times [2022-04-08 09:32:52,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-08 09:32:52,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713402859] [2022-04-08 09:32:52,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-08 09:32:52,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-08 09:32:52,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:32:54,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-08 09:32:54,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-08 09:32:54,126 INFO L290 TraceCheckUtils]: 0: Hoare triple {38386#(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(13, 2);call #Ultimate.allocInit(12, 3); {38320#true} is VALID [2022-04-08 09:32:54,126 INFO L290 TraceCheckUtils]: 1: Hoare triple {38320#true} assume true; {38320#true} is VALID [2022-04-08 09:32:54,127 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {38320#true} {38320#true} #34#return; {38320#true} is VALID [2022-04-08 09:32:54,127 INFO L272 TraceCheckUtils]: 0: Hoare triple {38320#true} call ULTIMATE.init(); {38386#(and (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|))} is VALID [2022-04-08 09:32:54,127 INFO L290 TraceCheckUtils]: 1: Hoare triple {38386#(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(13, 2);call #Ultimate.allocInit(12, 3); {38320#true} is VALID [2022-04-08 09:32:54,127 INFO L290 TraceCheckUtils]: 2: Hoare triple {38320#true} assume true; {38320#true} is VALID [2022-04-08 09:32:54,127 INFO L284 TraceCheckUtils]: 3: Hoare quadruple {38320#true} {38320#true} #34#return; {38320#true} is VALID [2022-04-08 09:32:54,127 INFO L272 TraceCheckUtils]: 4: Hoare triple {38320#true} call #t~ret4 := main(); {38320#true} is VALID [2022-04-08 09:32:54,128 INFO L290 TraceCheckUtils]: 5: Hoare triple {38320#true} ~x~0 := 268435441; {38325#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} is VALID [2022-04-08 09:32:54,128 INFO L290 TraceCheckUtils]: 6: Hoare triple {38325#(and (<= 268435441 main_~x~0) (<= main_~x~0 268435441))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {38326#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} is VALID [2022-04-08 09:32:54,129 INFO L290 TraceCheckUtils]: 7: Hoare triple {38326#(and (<= 268435439 main_~x~0) (<= main_~x~0 268435439))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {38327#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} is VALID [2022-04-08 09:32:54,129 INFO L290 TraceCheckUtils]: 8: Hoare triple {38327#(and (<= 268435437 main_~x~0) (<= main_~x~0 268435437))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {38328#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} is VALID [2022-04-08 09:32:54,130 INFO L290 TraceCheckUtils]: 9: Hoare triple {38328#(and (<= 268435435 main_~x~0) (<= main_~x~0 268435435))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {38329#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} is VALID [2022-04-08 09:32:54,130 INFO L290 TraceCheckUtils]: 10: Hoare triple {38329#(and (<= main_~x~0 268435433) (<= 268435433 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {38330#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} is VALID [2022-04-08 09:32:54,131 INFO L290 TraceCheckUtils]: 11: Hoare triple {38330#(and (<= 268435431 main_~x~0) (<= main_~x~0 268435431))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {38331#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} is VALID [2022-04-08 09:32:54,131 INFO L290 TraceCheckUtils]: 12: Hoare triple {38331#(and (<= main_~x~0 268435429) (<= 268435429 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {38332#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} is VALID [2022-04-08 09:32:54,132 INFO L290 TraceCheckUtils]: 13: Hoare triple {38332#(and (<= 268435427 main_~x~0) (<= main_~x~0 268435427))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {38333#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} is VALID [2022-04-08 09:32:54,133 INFO L290 TraceCheckUtils]: 14: Hoare triple {38333#(and (<= 268435425 main_~x~0) (<= main_~x~0 268435425))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {38334#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} is VALID [2022-04-08 09:32:54,133 INFO L290 TraceCheckUtils]: 15: Hoare triple {38334#(and (<= main_~x~0 268435423) (<= 268435423 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {38335#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} is VALID [2022-04-08 09:32:54,134 INFO L290 TraceCheckUtils]: 16: Hoare triple {38335#(and (<= 268435421 main_~x~0) (<= main_~x~0 268435421))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {38336#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} is VALID [2022-04-08 09:32:54,134 INFO L290 TraceCheckUtils]: 17: Hoare triple {38336#(and (<= 268435419 main_~x~0) (<= main_~x~0 268435419))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {38337#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} is VALID [2022-04-08 09:32:54,135 INFO L290 TraceCheckUtils]: 18: Hoare triple {38337#(and (<= main_~x~0 268435417) (<= 268435417 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {38338#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} is VALID [2022-04-08 09:32:54,135 INFO L290 TraceCheckUtils]: 19: Hoare triple {38338#(and (<= 268435415 main_~x~0) (<= main_~x~0 268435415))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {38339#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} is VALID [2022-04-08 09:32:54,136 INFO L290 TraceCheckUtils]: 20: Hoare triple {38339#(and (<= 268435413 main_~x~0) (<= main_~x~0 268435413))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {38340#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} is VALID [2022-04-08 09:32:54,136 INFO L290 TraceCheckUtils]: 21: Hoare triple {38340#(and (<= main_~x~0 268435411) (<= 268435411 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {38341#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} is VALID [2022-04-08 09:32:54,137 INFO L290 TraceCheckUtils]: 22: Hoare triple {38341#(and (<= 268435409 main_~x~0) (<= main_~x~0 268435409))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {38342#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} is VALID [2022-04-08 09:32:54,137 INFO L290 TraceCheckUtils]: 23: Hoare triple {38342#(and (<= 268435407 main_~x~0) (<= main_~x~0 268435407))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {38343#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} is VALID [2022-04-08 09:32:54,138 INFO L290 TraceCheckUtils]: 24: Hoare triple {38343#(and (<= main_~x~0 268435405) (<= 268435405 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {38344#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} is VALID [2022-04-08 09:32:54,138 INFO L290 TraceCheckUtils]: 25: Hoare triple {38344#(and (<= main_~x~0 268435403) (<= 268435403 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {38345#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} is VALID [2022-04-08 09:32:54,139 INFO L290 TraceCheckUtils]: 26: Hoare triple {38345#(and (<= main_~x~0 268435401) (<= 268435401 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {38346#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} is VALID [2022-04-08 09:32:54,139 INFO L290 TraceCheckUtils]: 27: Hoare triple {38346#(and (<= 268435399 main_~x~0) (<= main_~x~0 268435399))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {38347#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} is VALID [2022-04-08 09:32:54,140 INFO L290 TraceCheckUtils]: 28: Hoare triple {38347#(and (<= main_~x~0 268435397) (<= 268435397 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {38348#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} is VALID [2022-04-08 09:32:54,140 INFO L290 TraceCheckUtils]: 29: Hoare triple {38348#(and (<= 268435395 main_~x~0) (<= main_~x~0 268435395))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {38349#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} is VALID [2022-04-08 09:32:54,141 INFO L290 TraceCheckUtils]: 30: Hoare triple {38349#(and (<= 268435393 main_~x~0) (<= main_~x~0 268435393))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {38350#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} is VALID [2022-04-08 09:32:54,141 INFO L290 TraceCheckUtils]: 31: Hoare triple {38350#(and (<= 268435391 main_~x~0) (<= main_~x~0 268435391))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {38351#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} is VALID [2022-04-08 09:32:54,142 INFO L290 TraceCheckUtils]: 32: Hoare triple {38351#(and (<= main_~x~0 268435389) (<= 268435389 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {38352#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} is VALID [2022-04-08 09:32:54,142 INFO L290 TraceCheckUtils]: 33: Hoare triple {38352#(and (<= main_~x~0 268435387) (<= 268435387 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {38353#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} is VALID [2022-04-08 09:32:54,143 INFO L290 TraceCheckUtils]: 34: Hoare triple {38353#(and (<= 268435385 main_~x~0) (<= main_~x~0 268435385))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {38354#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} is VALID [2022-04-08 09:32:54,144 INFO L290 TraceCheckUtils]: 35: Hoare triple {38354#(and (<= 268435383 main_~x~0) (<= main_~x~0 268435383))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {38355#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} is VALID [2022-04-08 09:32:54,144 INFO L290 TraceCheckUtils]: 36: Hoare triple {38355#(and (<= main_~x~0 268435381) (<= 268435381 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {38356#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} is VALID [2022-04-08 09:32:54,145 INFO L290 TraceCheckUtils]: 37: Hoare triple {38356#(and (<= 268435379 main_~x~0) (<= main_~x~0 268435379))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {38357#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} is VALID [2022-04-08 09:32:54,145 INFO L290 TraceCheckUtils]: 38: Hoare triple {38357#(and (<= 268435377 main_~x~0) (<= main_~x~0 268435377))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {38358#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} is VALID [2022-04-08 09:32:54,146 INFO L290 TraceCheckUtils]: 39: Hoare triple {38358#(and (<= main_~x~0 268435375) (<= 268435375 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {38359#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} is VALID [2022-04-08 09:32:54,146 INFO L290 TraceCheckUtils]: 40: Hoare triple {38359#(and (<= main_~x~0 268435373) (<= 268435373 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {38360#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} is VALID [2022-04-08 09:32:54,147 INFO L290 TraceCheckUtils]: 41: Hoare triple {38360#(and (<= 268435371 main_~x~0) (<= main_~x~0 268435371))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {38361#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} is VALID [2022-04-08 09:32:54,147 INFO L290 TraceCheckUtils]: 42: Hoare triple {38361#(and (<= main_~x~0 268435369) (<= 268435369 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {38362#(and (<= main_~x~0 268435367) (<= 268435367 main_~x~0))} is VALID [2022-04-08 09:32:54,148 INFO L290 TraceCheckUtils]: 43: Hoare triple {38362#(and (<= main_~x~0 268435367) (<= 268435367 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {38363#(and (<= 268435365 main_~x~0) (<= main_~x~0 268435365))} is VALID [2022-04-08 09:32:54,148 INFO L290 TraceCheckUtils]: 44: Hoare triple {38363#(and (<= 268435365 main_~x~0) (<= main_~x~0 268435365))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {38364#(and (<= 268435363 main_~x~0) (<= main_~x~0 268435363))} is VALID [2022-04-08 09:32:54,149 INFO L290 TraceCheckUtils]: 45: Hoare triple {38364#(and (<= 268435363 main_~x~0) (<= main_~x~0 268435363))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {38365#(and (<= main_~x~0 268435361) (<= 268435361 main_~x~0))} is VALID [2022-04-08 09:32:54,149 INFO L290 TraceCheckUtils]: 46: Hoare triple {38365#(and (<= main_~x~0 268435361) (<= 268435361 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {38366#(and (<= main_~x~0 268435359) (<= 268435359 main_~x~0))} is VALID [2022-04-08 09:32:54,150 INFO L290 TraceCheckUtils]: 47: Hoare triple {38366#(and (<= main_~x~0 268435359) (<= 268435359 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {38367#(and (<= main_~x~0 268435357) (<= 268435357 main_~x~0))} is VALID [2022-04-08 09:32:54,150 INFO L290 TraceCheckUtils]: 48: Hoare triple {38367#(and (<= main_~x~0 268435357) (<= 268435357 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {38368#(and (<= main_~x~0 268435355) (<= 268435355 main_~x~0))} is VALID [2022-04-08 09:32:54,151 INFO L290 TraceCheckUtils]: 49: Hoare triple {38368#(and (<= main_~x~0 268435355) (<= 268435355 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {38369#(and (<= main_~x~0 268435353) (<= 268435353 main_~x~0))} is VALID [2022-04-08 09:32:54,151 INFO L290 TraceCheckUtils]: 50: Hoare triple {38369#(and (<= main_~x~0 268435353) (<= 268435353 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {38370#(and (<= 268435351 main_~x~0) (<= main_~x~0 268435351))} is VALID [2022-04-08 09:32:54,152 INFO L290 TraceCheckUtils]: 51: Hoare triple {38370#(and (<= 268435351 main_~x~0) (<= main_~x~0 268435351))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {38371#(and (<= 268435349 main_~x~0) (<= main_~x~0 268435349))} is VALID [2022-04-08 09:32:54,152 INFO L290 TraceCheckUtils]: 52: Hoare triple {38371#(and (<= 268435349 main_~x~0) (<= main_~x~0 268435349))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {38372#(and (<= 268435347 main_~x~0) (<= main_~x~0 268435347))} is VALID [2022-04-08 09:32:54,153 INFO L290 TraceCheckUtils]: 53: Hoare triple {38372#(and (<= 268435347 main_~x~0) (<= main_~x~0 268435347))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {38373#(and (<= main_~x~0 268435345) (<= 268435345 main_~x~0))} is VALID [2022-04-08 09:32:54,153 INFO L290 TraceCheckUtils]: 54: Hoare triple {38373#(and (<= main_~x~0 268435345) (<= 268435345 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {38374#(and (<= main_~x~0 268435343) (<= 268435343 main_~x~0))} is VALID [2022-04-08 09:32:54,154 INFO L290 TraceCheckUtils]: 55: Hoare triple {38374#(and (<= main_~x~0 268435343) (<= 268435343 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {38375#(and (<= 268435341 main_~x~0) (<= main_~x~0 268435341))} is VALID [2022-04-08 09:32:54,154 INFO L290 TraceCheckUtils]: 56: Hoare triple {38375#(and (<= 268435341 main_~x~0) (<= main_~x~0 268435341))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {38376#(and (<= 268435339 main_~x~0) (<= main_~x~0 268435339))} is VALID [2022-04-08 09:32:54,155 INFO L290 TraceCheckUtils]: 57: Hoare triple {38376#(and (<= 268435339 main_~x~0) (<= main_~x~0 268435339))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {38377#(and (<= main_~x~0 268435337) (<= 268435337 main_~x~0))} is VALID [2022-04-08 09:32:54,155 INFO L290 TraceCheckUtils]: 58: Hoare triple {38377#(and (<= main_~x~0 268435337) (<= 268435337 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {38378#(and (<= main_~x~0 268435335) (<= 268435335 main_~x~0))} is VALID [2022-04-08 09:32:54,156 INFO L290 TraceCheckUtils]: 59: Hoare triple {38378#(and (<= main_~x~0 268435335) (<= 268435335 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {38379#(and (<= 268435333 main_~x~0) (<= main_~x~0 268435333))} is VALID [2022-04-08 09:32:54,156 INFO L290 TraceCheckUtils]: 60: Hoare triple {38379#(and (<= 268435333 main_~x~0) (<= main_~x~0 268435333))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {38380#(and (<= 268435331 main_~x~0) (<= main_~x~0 268435331))} is VALID [2022-04-08 09:32:54,157 INFO L290 TraceCheckUtils]: 61: Hoare triple {38380#(and (<= 268435331 main_~x~0) (<= main_~x~0 268435331))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {38381#(and (<= main_~x~0 268435329) (<= 268435329 main_~x~0))} is VALID [2022-04-08 09:32:54,157 INFO L290 TraceCheckUtils]: 62: Hoare triple {38381#(and (<= main_~x~0 268435329) (<= 268435329 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {38382#(and (<= main_~x~0 268435327) (<= 268435327 main_~x~0))} is VALID [2022-04-08 09:32:54,158 INFO L290 TraceCheckUtils]: 63: Hoare triple {38382#(and (<= main_~x~0 268435327) (<= 268435327 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {38383#(and (<= 268435325 main_~x~0) (<= main_~x~0 268435325))} is VALID [2022-04-08 09:32:54,158 INFO L290 TraceCheckUtils]: 64: Hoare triple {38383#(and (<= 268435325 main_~x~0) (<= main_~x~0 268435325))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {38384#(and (<= main_~x~0 268435323) (<= 268435323 main_~x~0))} is VALID [2022-04-08 09:32:54,159 INFO L290 TraceCheckUtils]: 65: Hoare triple {38384#(and (<= main_~x~0 268435323) (<= 268435323 main_~x~0))} assume !!(~x~0 % 4294967296 > 1);~x~0 := ~x~0 - 2; {38385#(and (<= 268435321 main_~x~0) (<= (div main_~x~0 4294967296) 0))} is VALID [2022-04-08 09:32:54,159 INFO L290 TraceCheckUtils]: 66: Hoare triple {38385#(and (<= 268435321 main_~x~0) (<= (div main_~x~0 4294967296) 0))} assume !(~x~0 % 4294967296 > 1); {38321#false} is VALID [2022-04-08 09:32:54,159 INFO L272 TraceCheckUtils]: 67: Hoare triple {38321#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)); {38321#false} is VALID [2022-04-08 09:32:54,160 INFO L290 TraceCheckUtils]: 68: Hoare triple {38321#false} ~cond := #in~cond; {38321#false} is VALID [2022-04-08 09:32:54,160 INFO L290 TraceCheckUtils]: 69: Hoare triple {38321#false} assume 0 == ~cond; {38321#false} is VALID [2022-04-08 09:32:54,160 INFO L290 TraceCheckUtils]: 70: Hoare triple {38321#false} assume !false; {38321#false} is VALID [2022-04-08 09:32:54,160 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-08 09:32:54,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-08 09:32:54,160 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713402859] [2022-04-08 09:32:54,160 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713402859] provided 0 perfect and 1 imperfect interpolant sequences [2022-04-08 09:32:54,160 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1393859308] [2022-04-08 09:32:54,161 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-04-08 09:32:54,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-04-08 09:32:54,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-08 09:32:54,162 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) [2022-04-08 09:32:54,162 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (61)] Waiting until timeout for monitored process